This document describes an automatic boiler room equipment monitoring system that includes:
1) A sonar gauge for measuring liquid fuel levels in a storage tank.
2) Thermocouples to measure temperatures at various points in the boiler room.
3) Means to monitor the operating status of boiler room equipment.
4) A computer to convert sensor data to digital signals, store and analyze the data, and transmit it to a remote location.
The document describes the auxiliary PRDS (pressure reducing and desuperheating) system used in thermal power plants. It has two identical systems - the turbine auxiliary steam system (TAS) and boiler auxiliary steam system (BAS). Low and high capacity auxiliary steam is derived from main steam and its pressure and temperature are reduced before supplying it to various locations in the plant for processes like deaeration, soot blowing, oil heating etc. The systems use control valves, isolating valves, desuperheaters and spray water to control pressure and temperature.
The document discusses draft systems and fans used in boiler systems. It provides information on primary air systems, secondary air systems, induced draft fans and other auxiliary fans used in boilers. It describes the components and functioning of various fans including primary air fans, forced draft fans, induced draft fans. It also provides basics on different types of fans, fan performance curves, impact of speed on flow, pressure and power, and use of variable speed drives to control fan speed and improve efficiency.
The document discusses how work is done in a turbine. It explains that:
1) The heat energy in steam is converted to kinetic energy as it enters the turbine through nozzles, and then to mechanical work as it impacts the rotating blades.
2) Further work is done as the steam reacts with fixed blades, redirecting it to more rotating blades.
3) As the steam travels through the machine, it continually expands, giving up energy at each set of blades.
4) The tapering shape of the turbine allows the steam to enter at smaller blades and exit at larger blades.
Performance assessment of boilers,steam system,insulation & refractoriesghoshshweta
This document discusses boilers, steam systems, insulation, and refractories. It provides information on:
- The basic components and functions of boilers, including types of boilers and how boiler efficiency is calculated.
- Key components of steam systems like pipes, drain points, strainers, separators, steam traps, and insulation. It explains how insulation works to reduce heat transfer.
- Different materials used for insulation like mineral wool, foam boards, and loose fill. It also describes types of insulation.
- What refractories are and how they are classified and manufactured. It lists common applications in furnaces and boilers.
The document discusses steam generators and boiler systems. It covers:
1. Steam generators are used to generate steam at desired rates, pressures, and temperatures for use in power plants. They use fuel combustion to heat water into steam.
2. Boiler systems comprise feedwater, steam, and fuel systems. Boilers are enclosed vessels that transfer combustion heat to water to produce heated water or steam for industrial processes.
3. There are two main types of boilers - fire tube and water tube. Fire tube boilers have combustion gases passing through tubes surrounded by water. Water tube boilers reverse this configuration.
Energy efficiency tip of the day (Steam systems low efficiency problems)Magdy Aly
Energy efficiency tip of the day (Steam systems low efficiency problems)
Analysis for some reasons for low energy efficiency in steam system in the below links:
https://www.linkedin.com/pulse/energy-efficiency-tip-day-steam-systems-low-problems-magdy-aly
https://www.youtube.com/watch?v=GQ50Fi3ZWQU
Basic mechanical engineeering- Power plantsSteve M S
The document discusses different types of power plants including hydroelectric, thermal, diesel, nuclear, and gas turbine power plants. It provides details on the classification and working of hydroelectric and thermal steam power plants. For hydroelectric power plants, it describes the main elements, general layout, advantages, and disadvantages. For thermal steam power plants, it outlines the main systems, components, advantages, and disadvantages. It also provides brief descriptions of diesel engine, nuclear, and gas turbine power plants.
The document describes the auxiliary PRDS (pressure reducing and desuperheating) system used in thermal power plants. It has two identical systems - the turbine auxiliary steam system (TAS) and boiler auxiliary steam system (BAS). Low and high capacity auxiliary steam is derived from main steam and its pressure and temperature are reduced before supplying it to various locations in the plant for processes like deaeration, soot blowing, oil heating etc. The systems use control valves, isolating valves, desuperheaters and spray water to control pressure and temperature.
The document discusses draft systems and fans used in boiler systems. It provides information on primary air systems, secondary air systems, induced draft fans and other auxiliary fans used in boilers. It describes the components and functioning of various fans including primary air fans, forced draft fans, induced draft fans. It also provides basics on different types of fans, fan performance curves, impact of speed on flow, pressure and power, and use of variable speed drives to control fan speed and improve efficiency.
The document discusses how work is done in a turbine. It explains that:
1) The heat energy in steam is converted to kinetic energy as it enters the turbine through nozzles, and then to mechanical work as it impacts the rotating blades.
2) Further work is done as the steam reacts with fixed blades, redirecting it to more rotating blades.
3) As the steam travels through the machine, it continually expands, giving up energy at each set of blades.
4) The tapering shape of the turbine allows the steam to enter at smaller blades and exit at larger blades.
Performance assessment of boilers,steam system,insulation & refractoriesghoshshweta
This document discusses boilers, steam systems, insulation, and refractories. It provides information on:
- The basic components and functions of boilers, including types of boilers and how boiler efficiency is calculated.
- Key components of steam systems like pipes, drain points, strainers, separators, steam traps, and insulation. It explains how insulation works to reduce heat transfer.
- Different materials used for insulation like mineral wool, foam boards, and loose fill. It also describes types of insulation.
- What refractories are and how they are classified and manufactured. It lists common applications in furnaces and boilers.
The document discusses steam generators and boiler systems. It covers:
1. Steam generators are used to generate steam at desired rates, pressures, and temperatures for use in power plants. They use fuel combustion to heat water into steam.
2. Boiler systems comprise feedwater, steam, and fuel systems. Boilers are enclosed vessels that transfer combustion heat to water to produce heated water or steam for industrial processes.
3. There are two main types of boilers - fire tube and water tube. Fire tube boilers have combustion gases passing through tubes surrounded by water. Water tube boilers reverse this configuration.
Energy efficiency tip of the day (Steam systems low efficiency problems)Magdy Aly
Energy efficiency tip of the day (Steam systems low efficiency problems)
Analysis for some reasons for low energy efficiency in steam system in the below links:
https://www.linkedin.com/pulse/energy-efficiency-tip-day-steam-systems-low-problems-magdy-aly
https://www.youtube.com/watch?v=GQ50Fi3ZWQU
Basic mechanical engineeering- Power plantsSteve M S
The document discusses different types of power plants including hydroelectric, thermal, diesel, nuclear, and gas turbine power plants. It provides details on the classification and working of hydroelectric and thermal steam power plants. For hydroelectric power plants, it describes the main elements, general layout, advantages, and disadvantages. For thermal steam power plants, it outlines the main systems, components, advantages, and disadvantages. It also provides brief descriptions of diesel engine, nuclear, and gas turbine power plants.
Super critical power plants operate above the critical point where there is no distinction between liquid and gas phases. They have higher efficiencies of around 45-47% compared to 38% for subcritical plants due to higher turbine inlet temperatures and pressures above 240 atm. Once-through boilers without drums are better suited for supercritical conditions as they allow forced circulation through all sections compared to drum-type boilers. Super critical plants improve efficiency but have higher capital costs.
Energy performance assessment of boilersUtsav Jain
The document discusses performance testing of boilers. It describes various factors that affect boiler performance over time such as poor combustion, heat transfer fouling, and deteriorated fuel and water quality. Boiler efficiency testing is important to evaluate how efficiency changes from the design value and identify problems. The direct method and indirect method of testing are described. The indirect method involves calculating different heat losses in the boiler system to determine efficiency. Various measurements, instruments, test conditions and computational procedures for conducting boiler performance tests are outlined.
1. Supercritical boilers operate above the critical pressure of water (221 bar), where there is no distinction between water and steam.
2. Operating above the critical pressure provides benefits like higher cycle efficiency, lower fuel consumption and emissions, and improved load change flexibility compared to subcritical boilers.
3. The key difference between subcritical and supercritical boilers is that supercritical boilers are drumless, with evaporation occurring in a single pass and flow induced by the feed pump rather than natural circulation.
This document discusses fans used in thermal power plants. It describes the main types of fans used - forced draft fans, induced draft fans, primary air fans, and gas recirculation fans. It explains their purposes and characteristics. The key points are: forced draft fans supply air for combustion, induced draft fans exhaust flue gas, primary air fans supply air to coal pulverizers, and gas recirculation fans control steam temperature. Common damage mechanisms for power plant fans are erosion, corrosion, and vibration. Condition monitoring is important to predict failures.
The document describes different power generation processes and their efficiencies. A utility steam turbine plant has a thermal efficiency of 34% while an industrial cogeneration boiler/steam turbine has a higher efficiency of 80% by utilizing steam for industrial processes. A simple gas turbine has an efficiency of 35-40% while a combined cycle plant using both gas and steam turbines can achieve 45-55% efficiency. Boilers convert fuel energy to steam through combustion and heat transfer processes. Key components of modern boilers include water tubes, superheated steam, high pressure, water cooled furnace, and water circulation systems.
The document discusses instrumentation and control systems used in thermal power plants. It describes the objectives of instrumentation and control which include safe and efficient plant operation. It provides an overview of the Distributed Digital Control and Management Information System (DDCMIS) and its components, including the burner management system, turbine control system, and generator instruments. It explains the various functions, measurements, controls, and benefits provided by the DDCMIS.
Water steam Circuit in Supercritical Boiler for 660MW Power PlantHareesh VS
An animated presentation over Complete water steam circulation in a super critical boiler with flow chart. The water-steam path through various Systems (High pressure & Low pressure systems) in boiler for a 660MW thermal power plat, and also indicates the temperature and pressure variations after flowing through individual systems. Watch Live Presentation on YouTube: http://youtu.be/snIVrTmI4bM
Thermal plant instrumentation and controlShilpa Shukla
This document provides an overview of instrumentation and control systems used in a thermal power plant. It discusses the key components measured including pressure, temperature, flow, level, vibration and flue gas analysis. It describes the various sensors and instruments used to measure these variables, including bourdon tubes, diaphragms, bellows, thermocouples, RTDs, orifice plates, and analyzers. It also discusses the control and monitoring systems, laboratories, and pollution control systems used in thermal power plants.
A $1.6 million settlement was reached in a boiler explosion case where a man suffered severe injuries. Boiler explosions and fires have injured many people in the last ten years due to lack of safety training. A 1999 explosion at a power plant killed 6 people and injured 30. Proper boiler safety requires management leadership, hazard prevention, education and training programs. The top causes of accidents are issues with maintenance, lockout procedures during startup, falls, and carbon monoxide exposure.
This document provides a summary of a sourcebook about improving steam system performance in industry. It includes:
1) An overview of steam systems, including generation, distribution, end use, and recovery. It describes common components like boilers, traps, heat exchangers and discusses opportunities for improvement.
2) A discussion of using a systems approach to identify performance improvement opportunities across generation, distribution and recovery. It also introduces DOE tools to help analyze steam systems.
3) Contact information for organizations that can provide resources and assistance to improve steam systems. It acknowledges their contributions to the sourcebook.
A short presentation about the different components of a steam power plant. It first tells us what's a steam power plant and then explains how electricity is generated by them.
This document discusses boiler efficiency and the factors that affect it. It provides two methods for calculating efficiency - the indirect or loss method, and the direct method. The indirect method calculates efficiency by determining the percentage losses due to factors like flue gas, hydrogen in fuel, moisture, etc. The direct method calculates efficiency as the ratio of useful steam output to heat input. The document also lists ways to improve boiler efficiency, such as oxygen trim systems, flue gas temperature control, and proper water treatment and blowdown control.
The document describes the instrumentation and process control systems used at a pulp and paper mill. It discusses the various measurement devices such as level transmitters, pressure transmitters, and flow transmitters. It also describes the control systems that regulate processes like stock preparation, quality control, boiler operations, and turbine generation. The calibration and maintenance of instruments is conducted according to ISO standards to ensure accuracy of measurements.
A thermal power plant converts the heat from coal into electrical energy. Coal is burned in a boiler to produce high pressure steam, which spins turbines connected to generators. This generates electricity. The steam is then condensed in a condenser using cooling water, which is cooled in cooling towers or ponds and recycled. Thermal power plants currently contribute the majority of electricity production in India.
Best ppt on thermal power station workingRonak Thakare
The document provides an overview of thermal power generation and the key components involved. It discusses how chemical energy from fuel is converted through various processes into electrical energy. The main components that enable this conversion are the boiler, turbine, and generator. Steam generated in the boiler powers the turbine, which spins the generator's rotor to produce electricity via electromagnetic induction. The turbine has high, intermediate, and low pressure sections to efficiently extract energy from the steam.
The document describes the key components and processes involved in a typical coal-fired thermal power plant, including the boiler, turbine, condenser, coal handling equipment, and other auxiliary systems. It also provides diagrams to illustrate the general layout and flow of energy conversion from coal to steam to mechanical power to electricity. Additionally, it briefly mentions some major thermal power plants located in the state of Rajasthan, India.
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Super critical power plants operate above the critical point where there is no distinction between liquid and gas phases. They have higher efficiencies of around 45-47% compared to 38% for subcritical plants due to higher turbine inlet temperatures and pressures above 240 atm. Once-through boilers without drums are better suited for supercritical conditions as they allow forced circulation through all sections compared to drum-type boilers. Super critical plants improve efficiency but have higher capital costs.
Energy performance assessment of boilersUtsav Jain
The document discusses performance testing of boilers. It describes various factors that affect boiler performance over time such as poor combustion, heat transfer fouling, and deteriorated fuel and water quality. Boiler efficiency testing is important to evaluate how efficiency changes from the design value and identify problems. The direct method and indirect method of testing are described. The indirect method involves calculating different heat losses in the boiler system to determine efficiency. Various measurements, instruments, test conditions and computational procedures for conducting boiler performance tests are outlined.
1. Supercritical boilers operate above the critical pressure of water (221 bar), where there is no distinction between water and steam.
2. Operating above the critical pressure provides benefits like higher cycle efficiency, lower fuel consumption and emissions, and improved load change flexibility compared to subcritical boilers.
3. The key difference between subcritical and supercritical boilers is that supercritical boilers are drumless, with evaporation occurring in a single pass and flow induced by the feed pump rather than natural circulation.
This document discusses fans used in thermal power plants. It describes the main types of fans used - forced draft fans, induced draft fans, primary air fans, and gas recirculation fans. It explains their purposes and characteristics. The key points are: forced draft fans supply air for combustion, induced draft fans exhaust flue gas, primary air fans supply air to coal pulverizers, and gas recirculation fans control steam temperature. Common damage mechanisms for power plant fans are erosion, corrosion, and vibration. Condition monitoring is important to predict failures.
The document describes different power generation processes and their efficiencies. A utility steam turbine plant has a thermal efficiency of 34% while an industrial cogeneration boiler/steam turbine has a higher efficiency of 80% by utilizing steam for industrial processes. A simple gas turbine has an efficiency of 35-40% while a combined cycle plant using both gas and steam turbines can achieve 45-55% efficiency. Boilers convert fuel energy to steam through combustion and heat transfer processes. Key components of modern boilers include water tubes, superheated steam, high pressure, water cooled furnace, and water circulation systems.
The document discusses instrumentation and control systems used in thermal power plants. It describes the objectives of instrumentation and control which include safe and efficient plant operation. It provides an overview of the Distributed Digital Control and Management Information System (DDCMIS) and its components, including the burner management system, turbine control system, and generator instruments. It explains the various functions, measurements, controls, and benefits provided by the DDCMIS.
Water steam Circuit in Supercritical Boiler for 660MW Power PlantHareesh VS
An animated presentation over Complete water steam circulation in a super critical boiler with flow chart. The water-steam path through various Systems (High pressure & Low pressure systems) in boiler for a 660MW thermal power plat, and also indicates the temperature and pressure variations after flowing through individual systems. Watch Live Presentation on YouTube: http://youtu.be/snIVrTmI4bM
Thermal plant instrumentation and controlShilpa Shukla
This document provides an overview of instrumentation and control systems used in a thermal power plant. It discusses the key components measured including pressure, temperature, flow, level, vibration and flue gas analysis. It describes the various sensors and instruments used to measure these variables, including bourdon tubes, diaphragms, bellows, thermocouples, RTDs, orifice plates, and analyzers. It also discusses the control and monitoring systems, laboratories, and pollution control systems used in thermal power plants.
A $1.6 million settlement was reached in a boiler explosion case where a man suffered severe injuries. Boiler explosions and fires have injured many people in the last ten years due to lack of safety training. A 1999 explosion at a power plant killed 6 people and injured 30. Proper boiler safety requires management leadership, hazard prevention, education and training programs. The top causes of accidents are issues with maintenance, lockout procedures during startup, falls, and carbon monoxide exposure.
This document provides a summary of a sourcebook about improving steam system performance in industry. It includes:
1) An overview of steam systems, including generation, distribution, end use, and recovery. It describes common components like boilers, traps, heat exchangers and discusses opportunities for improvement.
2) A discussion of using a systems approach to identify performance improvement opportunities across generation, distribution and recovery. It also introduces DOE tools to help analyze steam systems.
3) Contact information for organizations that can provide resources and assistance to improve steam systems. It acknowledges their contributions to the sourcebook.
A short presentation about the different components of a steam power plant. It first tells us what's a steam power plant and then explains how electricity is generated by them.
This document discusses boiler efficiency and the factors that affect it. It provides two methods for calculating efficiency - the indirect or loss method, and the direct method. The indirect method calculates efficiency by determining the percentage losses due to factors like flue gas, hydrogen in fuel, moisture, etc. The direct method calculates efficiency as the ratio of useful steam output to heat input. The document also lists ways to improve boiler efficiency, such as oxygen trim systems, flue gas temperature control, and proper water treatment and blowdown control.
The document describes the instrumentation and process control systems used at a pulp and paper mill. It discusses the various measurement devices such as level transmitters, pressure transmitters, and flow transmitters. It also describes the control systems that regulate processes like stock preparation, quality control, boiler operations, and turbine generation. The calibration and maintenance of instruments is conducted according to ISO standards to ensure accuracy of measurements.
A thermal power plant converts the heat from coal into electrical energy. Coal is burned in a boiler to produce high pressure steam, which spins turbines connected to generators. This generates electricity. The steam is then condensed in a condenser using cooling water, which is cooled in cooling towers or ponds and recycled. Thermal power plants currently contribute the majority of electricity production in India.
Best ppt on thermal power station workingRonak Thakare
The document provides an overview of thermal power generation and the key components involved. It discusses how chemical energy from fuel is converted through various processes into electrical energy. The main components that enable this conversion are the boiler, turbine, and generator. Steam generated in the boiler powers the turbine, which spins the generator's rotor to produce electricity via electromagnetic induction. The turbine has high, intermediate, and low pressure sections to efficiently extract energy from the steam.
The document describes the key components and processes involved in a typical coal-fired thermal power plant, including the boiler, turbine, condenser, coal handling equipment, and other auxiliary systems. It also provides diagrams to illustrate the general layout and flow of energy conversion from coal to steam to mechanical power to electricity. Additionally, it briefly mentions some major thermal power plants located in the state of Rajasthan, India.
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The report *State of D2C in India: A Logistics Update* talks about the evolving dynamics of the d2C landscape with a particular focus on how brands navigate the complexities of logistics. Third Party Logistics enablers emerge indispensable partners in facilitating the growth journey of D2C brands, offering cost-effective solutions tailored to their specific needs. As D2C brands continue to expand, they encounter heightened operational complexities with logistics standing out as a significant challenge. Logistics not only represents a substantial cost component for the brands but also directly influences the customer experience. Establishing efficient logistics operations while keeping costs low is therefore a crucial objective for brands. The report highlights how 3PLs are meeting the rising demands of D2C brands, supporting their expansion both online and offline, and paving the way for sustainable, scalable growth in this fast-paced market.
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AI Transformation Playbook: Thinking AI-First for Your BusinessArijit Dutta
I dive into how businesses can stay competitive by integrating AI into their core processes. From identifying the right approach to building collaborative teams and recognizing common pitfalls, this guide has got you covered. AI transformation is a journey, and this playbook is here to help you navigate it successfully.
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Adani Group's Active Interest In Increasing Its Presence in the Cement Manufa...Adani case
Time and again, the business group has taken up new business ventures, each of which has allowed it to expand its horizons further and reach new heights. Even amidst the Adani CBI Investigation, the firm has always focused on improving its cement business.
2. A system for monitoring, processing and storing operating parameters of a
boiler room. A sonar gauge for measuring the level of liquid fuel in a storage
tank, thermocouples to measure temperatures at varous points in the boiler
room, and means to monitor the operating status of boiler room equipment
are provided. Means to convert to digital data, store and analyze the digital
data, and transmit the digital data to a remote location are provided.
Inventor: Jeffrey Solomon
Primary Examiner: S. A. Melnick
Current U.S. Classification: 702/54; 122/448.1; 237/8.00A
International Classification: G06F 1574
View patent at USPTO
Search USPTO Assignment Database
3. Citations
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Patents Assignee
US3873817 May 4, 1972 Mar 2, 1975 LPT(I)SIH
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controlling vessels containing
liquid
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a microprocessor
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Inc. device for calculating an output
determination based on a
mathematical relationship
between multiple different
input responsive transducers
US4433646 Sep 16, 1982 Feb 28, 1984 The Babcock & Boiler water trip system
Wilcox Company
US4486625 Sep 29, 1982 Dec 4, 1984 Clear Meadow Computerized measurement
Research Co. response system
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apparatus and method therefor
US4577270 Oct 5, 1984 Mar 18, 1986 Hitachi, Ltd. Plant control method
Hitachi
Engineering Co.,
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Patent
US4601201 Mar 7, 1985 Jul 22, 1986 Tokyo Tatsuno Co., Liquid level and quantity
Ltd. measuring apparatus
US4602344 Oct 25, 1984 Jul 22, 1986 Air Products and Method and system for
Chemicals, Inc. measurement of liquid level
in a tank
US4700569 Nov 2, 1984 Oct 20, 1987 Endress u. Hauser Method and arrangement for
GmbH u. Co signal transmission in
ultrasonic echo sounding
systems
US4716536 Apr 16, 1985 Dec 29, 1987 The Foxboro Measurement calibration
Company
US4782698 Dec 29, Nov 8, 1988 General Motors Method and apparatus for
1986 Corporation measuring oil level
US4788648 May 27, Nov 29, 1988 Air Products and Method and system for
1986 Chemicals, Inc. measurement of a liquid
level in a tank
US4864972 Jun 8, 1987 Sep 12, 1989 Boiler optimization for
multiple boiler heating plants
US4922861 Jan 25, 1989 May 8, 1990 Toto Ltd. Multiple-purpose
instantaneous gas water
heater
US4966127 Jan 19, 1988 Oct 30, 1990 Method and apparatus for
saving energy in direct fired
boilers
5. Referenced
by
Citing Filing Date Issue Date Original Assignee Title
Patent
US5279263 Feb 5, 1993 Jan 18, 1994 Elsag International B.V. Cascaded steam
temperature control
applied to a universal
pressure boiler
US5419285 Apr 25, 1994 May 30, 1995 Henry Vogt Machine Co. Boiler economizer and
control system
US5793705 Sep 18, Aug 11, 1998 International Business Ultrasonic liquid level
1996 Machines Corporation gauge for tanks subject
to movement and
vibration
US6059195 Jan 23, 1998 May 9, 2000 Tridelta Industries, Inc. Integrated appliance
control system
US6129284 Sep 17, Oct 10, 2000 Tridelta Industries, Inc. Integrated appliance
1999 control system
US6536678 Dec 15, Mar 25, 2003 Honeywell International Boiler control system
2000 Inc. and method
US6647302 Dec 15, Nov 11, 2003 Honeywell International Human interface panel
2000 Inc. for boiler control system
US6745085 Dec 15, Jun 1, 2004 Honeywell International Fault-tolerant multi-
2000 Inc. node stage sequencer
and method for energy
systems
6. Citing Filing Date Issue Date Original Assignee Title
Patent
US70167 Nov 27, Mar 21, 2006 BaHelle Memorial Decision support for
42 2002 Institute operations and
maintenance (DSOM)
system
US71968 Jul 27, 2004 Mar 27, 2007 Macronix International Control circuit for
91 Co., Ltd. frequency converter
US78915 Apr 5, 2007 Feb 22, 2011 C. Cowles & Company Temperature and low
72 water monitoring for
boiler systems
US80086 Aug 31, Aug 30, 2011 Boiler protection
03 2007 apparatus and method
US80090 Sep 26, Aug 30, 2011 Lockheed Martin Remote monitoring of
60 2001 Corporation munition assets
US80687 Jan 29, 2008 Nov 29, 2011 AOS Holding Company Storage-type water
27 heater having tank
condition monitoring
features
US81622 Mar 21, Apr 24, 2012 AOS Holding Company Water storage device
32 2008 having a powered
anode
7. Claims automatically monitoring, processing, and storing operating parameters of
1. A system for
a boiler room comprising:
(a) means for detecting a level of liquid fuel in a storage tank and generating a fist set of
electrical signals indicating the level;
(b) means for measuring temperatures at various locations in the boiler room and
generating a second set of electrical signals indicative of the temperatures;
(c) means for monitoring the operating status of a plurality of conventional boiler room
equipment and generating a third set of electrical signals indicative of the monitored
operating status;
(d) computer means located in the boiler room for selecting from the first, second and
third set of electrical signals generated and internally processing and storing the selected
electrical signals in accordance with a set of internally programmed instructions; and
(e) means for transmitting the processed signals stored in the computer means from the
computer means located in the boiler room to a computer located in a remote location.
2. A system as in claim 1 wherein the means for detecting the level of liquid in the
storage tank comprises a sonar device mounted in the storage tank comprising:
(a) means for transmitting an ultrasonic signal in a direction generally perpendicular to
the surface of the liquid fuel in the storage tank;
(b) means for detecting an echo of the transmitted ultrasonic signal from the surface level
of the liquid fuel in the storage tank;
(c) means for electrically measuring a time differential between transmission of the
ultrasonic signal and the detection of the echo of the ultrasonic signal; and
(d) means for generating the first electrical signal indicative of the level of the liquid fuel
in the storage tank in accordance with the measured time differential.
3. A system as in claim 2 wherein the first electrical signal consists of electrical current
the value of which is indicative of the level of the liquid fuel in the storage tank.
8. 4. A system as in claim 3 wherein the computer means comprises an interface means
comprising:
(a) a resistor means for converting the electrical current into an analog voltage, the value
of which is indicative of the level of the liquid fuel in the storage tank; and
(b) analog to digital conversion means for converting the analog voltage into a digital
signal which can be processed by the computer means.
5. A system as in claim 1 wherein the means for measuring the temperatures at various
locations in the boiler room comprises thermocouple devices located at the point at which
the temperature is measured, which generate the second set of electrical signals
indicative of the measured temperatures.
6. A system as in claim 5 wherein the thermocouple devices are comprised of:
(a) a first thermocouple at the liquid fuel drawn from the storage tank;
(b) a second thermocouple at the water resident in a boiler room;
(c) a third thermocouple at the water drawn from the boiler for use as domestic hot
water; and
(d) a fourth thermocouple at the gases expelled from the boiler through a stack.
7. A system as in claim 6 wherein the second set of electrical signals is comprised of
analog voltage signals.
8. A system as in claim 7 wherein the computer means comprises an interface means
comprising analog to digital conversion means for converting the analog voltage signals
into a set of digital signals which can be processed by the computer means.
9. 9. A system as in claim 1 wherein the means for monitoring the operating status of the
plurality of conventional boiler room equipment is through wires from electrical circuits of
the equipment such that the wires are energized when the equipment is operating in one
predetermined mode and de-energized when the equipment is operating in another
predetermined mode.
10. A system as in claim 9 wherein the conventional boiler room equipment comprises:
(a) a fuel valve which controls the flow of the liquid fuel from a fuel pump to a burner;
(b) the burner which is connected to a boiler and which draws the liquid fuel from the fuel valve for
ignition therein;
(c) a pressure controller which monitors pressure of steam generated in the boiler;
(d) a low water cutoff valve which monitors the level of water in the boiler; and
(e) a smoke alarm which monitors the quality of the gases expelled by the boiler.
11. A system as in claim 10 wherein the computer means comprises an interface mans comprising
electrical relay means, said relay means generates a set of digital signals when the wires connected to
the conventional boiler room equipment to the relay means are energized.
12. A system as in claim 1 wherein the means for transmitting the processed signals is a modem.
13. A system for automatically monitoring, processing, and storing operating parameters of a boiler
room comprising:
(a) means for measuring temperatures at various locations in the boiler room wherein the means for
measuring the temperatures comprises thermocouple wells located at the point at which the
temperature is measured and generating a first set of electrical signals indicative of the
temperatures;
(b) means for monitoring operating status of a plurality of conventional boiler room equipment and
generating a second set of electrical signals indicative of the monitored operating status;
(c) computer means located in the boiler room for selecting electrical signals from the sets of electrical
signals and internally processing and storing the selected electrical signals in accordance with a
set of internally programmed instructions; and
10. (d) means for transmitting the processed signals stored in the computer means from the computer
means located in the boiler room to a computer located in a remote location.
14. A system as in claim 13 wherein the means for monitoring the operating statusof
the plurality of conventional boiler room equipment is through wires from electrical
circuits of the equipment such that the wires are energized when the equipment is
operating in one predetermined mode and de-energized when the equipment is
operating in another predetermined mode.
15. A system as in claim 13 wherein the thermocouple devices are comprised of:
(a) a first thermocouple at the liquid fuel drawn from the storage tank;(b) a second
thermocouple at the water resident in a boiler room;(c) a third thermocouple at the
water drawn from the boiler for use as domestic hot water; and(d) a fourth
thermocouple at the gases expelled from the boiler through a stack.16. A system as in
claim 15 wherein the first set of electrical signals is comprised of analog voltage signals.
17. A system as in claim 16 wherein the computer means comprises an interface means
comprising analog to digital conversion means for converting the analog voltage signals
into a set of digital signals which can be processed by the computer means.
18. A system for automatically monitoring, processing, and storing operating
parameters of a boiler from comprising:
(a) means for measuring temperatures at various locations in the boiler room and
generating a first set of electrical signals indicative of the temperatures;
(b) means for monitoring operating status of a plurality of conventional boiler room
equipment and generating a second set of electrical signals indicative of the monitored
operating status;
11. 18. A system for automatically monitoring, processing, and storing operating parameters
of a boiler from comprising:
(a) means for measuring temperatures at various locations in the boiler room and
generating a first set of electrical signals indicative of the temperatures;
(b) means for monitoring operating status of a plurality of conventional boiler room
equipment and generating a second set of electrical signals indicative of the monitored
operating status;
(c) computer means located in the boiler room for selecting from a plurality of electrical
signals and internally processing and storing the selected electrical signals in accordance
with a set of internally programmed instructions; and
(d) means for transmitting the processed signals stored in the computer means from the
computer means located in the boiler room to a computer located in a remote location;
wherein the means for measuring the temperatures at various locations in the boiler
room comprises thermocouple devices located at the point at which the temperature is
measured; wherein the means for monitoring the operating status of the plurality of
conventional boiler room equipment comprises the connection of wires to electrical
circuits of the equipment such that the wires are energized when the equipment is
operating in one predetermined mode and de-energized when the equipment is operating
in another predetermined mode, and the conventional boiler room equipment comprises:
(1) a fuel valve which controls the flow of the liquid fuel from a fuel pump to a burner;
(2) the burner which is connected to a boiler and which draws the liquid fuel from the
fuel valve for ignition therein;
(3) a pressure controller which monitors pressure of steam generated in the boiler;
(4) a low water cutoff valve which monitors the level of water in the boiler; and
(5) a smoke alarm which monitors the quality of the gases expelled by the boiler.
12. 19. A system as in claim 18 wherein the computer means comprises an interface means
comprising electrical relay means wherein the relays generate a set of digital signals when
the wires connected to the conventional boiler room equipment are energized.
20. A system for detecting the level of liquid in a storage tank comprising:
(a) means for transmitting an ultrasonic signal in a direction generally perpendicular to
the surface of the liquid the storage tank;
(b) means for detecting an echo of the transmitted ultrasonic signal from the surface level
of the liquid in the storage tank;
(c) means for electrically measuring a time differential between transmission of the
ultrasonic signal and the detection of the echo of the ultrasonic signal;
(d) means for generating an electrical signal indicative of the level of the liquid fuel in the
storage tank in accordance with the measured time differential;
(e) a chamber above the top of the storage tank in communication with the storage tank;
and
(f) means for mounting the transmitting means and detecting means in communication
with the liquid in the storage tank at a predetermined distance above the top of the
storage tank within said chamber whereby the transmitting means and detecting means
do not come into contact with the liquid in the storage tank at any time.
21. A system as in claim 20 wherein the electrical signal consists of the electrical current
the value of which is indicative of the level of the liquid in the storage tank.
13. 22. A system as in claim 21 further comprising:
(a) a resistor means for converting the electrical current into an analog voltage, the
value of which is indicative of the level of the liquid in the storage tank; and
(b) analog to digital conversion means for converting the analog voltage into a digital
signal.
23. A system as in claim 22 further comprising a computer means for storing and
processing the digital signal in accordance with a set of internally programmed
instructions.
24. A system as in claim 23 further comprising means for transmitting the processed
signals stored in the computer means from the computer means to a second computer
located in a remote location.
25. A system as in claim 24 wherein the means for transmitting is a modem.
26. A system as in claim 20 wherein the means for mounting the transmitting means and
detecting means comprises a mounting plate, means for fastening the mounting plate to
a pre-cut manhole opening located on the top of the storage tank, which manhole
opening comprises said chamber above the top of the storage tank and wherein the
transmitting and detecting means attaches to said mounting plate.
27. A system as in claim 20 wherein the predetermined distance above the storage tank
is approximately ten inches or less.