Two way cooling tower
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This document describes the fabrication of a 2-way cross flow cooling tower for a high pressure boiler. It discusses cooling towers' use in removing waste heat from industrial processes like power plants and transferring it to the atmosphere. The objective is to cool circulating water more efficiently than once-through systems. It explains that a cross flow design directs air and water perpendicular to each other through fill material for efficient heat transfer, while conserving more water than once-through systems.
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A cooling tower is used to transfer process waste heat to the atmosphere and cool working fluids. Common applications include cooling circulating water in oil refineries, chemical plants, power stations, and buildings. The document discusses fabricating an industrial cooling tower to remove heat from machinery or heated processes in facilities like power plants, refineries, and processing plants. The cooling tower would dissipate heat into the atmosphere instead of discharging hot water into local bodies of water, which could harm the ecosystem. It would do this using a cross-flow design where air flows perpendicular to water through fill material for efficient heat transfer. The expected outcomes are a more efficient and higher heat transfer efficiency cooling tower.
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In this paper a thermodynamic analysis of cooling tower with air-to-air heat exchanger is presented. During
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amount of makeup water for their condensers. So, in this regard, the thermodynamic model of a cooling with an
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different climatic conditions of two major cities of Pakistan namely Karachi and Jamshoro through the period of
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atmospheric conditions mainly humidity and ambient air temperature. Results reveal that the when a cooling
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Two way cooling tower
- 1. ECWAY TECHNOLOGIES IEEE PROJECTS & SOFTWARE DEVELOPMENTS OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE BANGALORE / HYDRABAD CELL: +91 98949 17187, +91 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 / 8111 VISIT: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com | ecwayembedded@gmail.com FABRICATION OF 2 WAY CROSS FLOW COOLING TOWER FOR HIGH PRESSURE BOILER Synopsis Introduction Cooling towers are heat removal devices used to transfer process waste heat to the atmosphere. Cooling towers may either use the evaporation of water to remove process heat and cool the working fluid to near the wet-bulb air temperature or in the case of closed circuit dry cooling towers rely solely on air to cool the working fluid to near the dry-bulb air temperature. Common applications include cooling the circulating water used in oil refineries, chemical plants, power stations and building cooling. Objective& scope Industrial cooling towers can be used to remove heat from various sources such as machinery or heated process material. The primary use of large, industrial cooling towers is to remove the heat absorbed in the circulating cooling water systems used in power plants, petroleum refineries, petrochemical plants, natural gas processing
- 2. plants, food processing plants, semi-conductor plants, and for other industrial facilities such as in condensers of distillation columns, for cooling liquid in crystallization, etc. If that same plant had no cooling tower and used once-through cooling water, it would require about 100,000 cubic metres an hour and that amount of water would have to be continuously returned to the ocean, lake or river from which it was obtained and continuously re-supplied to the plant. Furthermore, discharging large amounts of hot water may raise the temperature of the receiving river or lake to an unacceptable level for the local ecosystem. Elevated water temperatures can kill fish and other aquatic organisms A cooling tower serves to dissipate the heat into the atmosphere instead and wind and air diffusion spreads the heat over a much larger area than hot water can distribute heat in a body of water. Some coal-fired and nuclear power plants located in coastal areas do make use of once-through ocean water. But even there, the offshore discharge water outlet requires very careful design to avoid environmental problems. Working principle Cross flow is a design in which the air flow is directed perpendicular to the water flow (see diagram below). Air flow enters one or more vertical faces of the cooling tower to meet the fill material. Water flows (perpendicular to the air) through the fill by gravity. The air continues through the fill and thus past the water flow into an open plenum area. A distribution or hot water basin consisting of a deep pan with holes or nozzles in the bottom is utilized in a cross flow tower. Gravity distributes the water through the nozzles uniformly across the fill material.
- 3. Advantage • More efficient • Higher efficiency in heat transfer Disadvantage 1)It need more water for cooling process