SUCTION CLEANERS(Also popularly known as vacuum Cleaners) WHAT IS VACUUM ?? Vacuum is space which has no matter in it, ie any spacein which pressure is lower than atmosphere pressureAtmospheric pressure is – 1 kg/sq.cm :1 bar :760 nun of mercury :10,000 mm of water :1,01.350 pascal
Principle utilized by Vacuum Cleaner_____________________________________________________________ All liquids & gases flow from high pressurearea to low pressure area.Common Example : Drinking thru a straw Volume of airIt is the quantity of air in liters for a given unit of time, which enters the vacuumcleaner or which the fans exhaust.1000 liters : 1 cu.m.3600 seconds : 1 houre.g. 35 liters/s = 126 cu.m/lh = 0.277 liters/s
OUR PRODUCTS RANGER Single Phase – commercial & Industrial R Three Phase-Industrial R Centra-Vac Solutions
Features to understand in a Suction Cleaner_____________________________________________________________ MOTOR FILTER BODY ACCESSORY MOBILITY WEIGHT CONTAINER CAPACITY SOUND LEVEL AIRFLOW
Vacuum Cleaner from inside Fine exhaust filter Motor pre-filter Exhaust diffuser Main filterDust bag Container
TYPES OF SUCTION CLEANER_____________________________________________________________ BY CAPABILITY DRY TYPE WET & DRY TYPE BY CAPACITY COMMERCIAL (Mobile) INDUSTRIAL (Mobile) FIXED INSTALLATION BY POWER SINGLE PHASE (230 V) THREE PHASE (440 V) BY DESIGN CANNISTER TYPE UPRIGHT TYPE
Explanation of ParametersMOTOR DIRECT - MOTOR COOLED BY THE MAIN AIR FLOW BYPASS - MOTOR COOLED BY A SEPARATE COOLING AIR FLOWCOOLING ISOLATED FROM WORKING AIR AMOUNT OF AIR PASSING THROUGH THE MACHINE IN LITERS PERAIR FLOW SECOND MEASURED. AT STANDARD MEAN SEA LEVEL CONDITIONSSUCTION THE POWER -CALCULATED FROM AIR FLOW RATE AND SUCTION OR VACUUM CREATED BY THE MACHINE. THIS INDICATES THE REALPOWER POWER BEING YIELDED BY THE MACHINE FOR VACUUM CLEANING. THE AMOUNT OF NEGATIVE ATMOSPHERIC PRESSURE PRODUCEDVACUUM BY THE MACHINE. THIS IS MEASURED IN mm OF WTER GAUGE AND IS MAXIMUM AT CLOSED AIR INTAKE THIS IS A MEASURE OF ANNOYING SOUND GIVEN BY MACHINE. THIS lSSOUND LEVEL MEASURED BY SOUND LEVEL METER IN DECIBELS. THE WEIGHTAGE CURVE 8A. GIVES ALUES CLOSEST TO THE HUMAN EAR. HENCE IT IS GENERALLY GIVEN IN dB(A). IT IS MEASURED AT 1m AWAY FROM THE MACHINE.
IT IS THE VOLUME OF DUST RECEPTACLE OF THE VACUUM CLEANERDUST CAPACITY MEASURED AS PER ASTM-F-888 ELECTRICAL INSULATION CLASS AS PER IEC-335-1MOTOR CLASS I : GROUNDEDPROTECTION CLASS II : DOUBLE INSULATEDCLASS SUPPY VOLTAGE APPLIED TO THE VACUUM CLEANER. THE PERMISSIBLEVOLTAGE, V FLUCTUATIONS ARE +/- 10% SINGLE PHASE MOTORS RUN EQUALLY WELL ONFREQUENCY, Hz BOTH 50 Hz: AND 60 Hz: POWER SUPPLY. FOR 3 -PHASE MOTORS, MOTOR SPEED CHANGES WITH FREQUENCY. HENCE THEY MUST BE DESIGNED FOR EITHER 50 Hz: OR 60 Hz AN INTERNATIONALLY ACCEPTED AVERAGE VALUE FOR POWERRATED POWER, W CONSUMPTION UNDER NORMAL OPERATION AS DEFINED IN IEC-335-2-2 THE MAXIMUM POWER CONSUMPTION WHICH OCCURS WITH FULL OPENMAX. POWER, W AIR INLET AS DEFINED IN IEC-335-2-2 MECHANICAL/DUST AND HUMIDITY /WA.TER PROTECTION ACCORDING TOMOTOR IP SYSTEM AS DEFINED IN IEC-529. IP STANDSPROTECTION FOR INGRESS PROTECTIONGRADE
Transport velocity and capture: Velocity is the number of meters a particle travels in a unit of time. In suction, it is decided by the volume of air and the diameter of the hose a) velocity is volume of air divided by the area of hose. Capture velocity: This is the velocity of the air that is needed at the inlet or at the nozzle, to capture the product and carry it away. It will depend on: the size of particle the specific gravity the charge the particle catties e.g. III grinders or mills, the loose particles have a speed. The capture velocity at the nozzle has to be greater in order to suck them in. Selection of insufficient velocity will cause the product to settle out on the interior of the piping system and clog it. For ordinary dust, we shall use 20-21 meters/second and for heavy dust (Cement, Metal shavings) up to 35 meters/second.
Calculating hose size : How to calculate the hose size:- e.g.: The machine has the air flow rate of 68 liters/second we know that Velocity = Volume / Area. Therefore, Area = Volume / Velocity = 0.0019 sq. meter. Area of a circle = 3.14 x sq. of radius Therefore, radius = sq. root of (Area x 3.14) = 0.0248 meter = 24.87 mm We multiply the radius by 2 to get the diameter Hence, the diameter is 49.7mm i.e.50mm Hence, the machine to use will be GS 83 or GB 733 or any higher machine.
Selection of Vacuum Cleaners Single-phase for flexible and in-expensive cleaningThe single-phase motor driven machines are designed for flexibility and are easy tomaneuver. They are primarily used for occasional cleaning of manufacturing areas or for overhead cleaning. The single-phase motors are normally fitted with carbon brushes. Single-phase motors are also available in a brushless version for durability and explosion-proof applications. Three-phase for continuous operation The three-phase machines are designed for continuous use e.g. for process-integrated cleaning or fixed installations with several inlets in use at the same time.The three-phase machines can be subdivided into side-channel blowers where thevacuum fan is mounted directly on the motor, and turbine motors where the motor and the fan units are connected via a drive belt.
Side-channel blower or turbine machine?Choosing a machine equipped with side-channel blower or turbine depends on the cleaning task at hand.A side-channel blower has a direct relation between vacuum/airflow and rated power (kW) A turbine solution provides you with the ability to change the ratio between vacuum and airflow independent from the rated power by changing the combination of turbine and motor. Example 1: light dust requires high airflow and less vacuum with a turbine solution - 4,0 kW rated power (197 l/sec 14,7 Kpa) with a side-channel solution - 7,5 kW rated power (205 l/sec 27,5 Kpa) Example 2: heavy debris requires less airflow and high vacuum with a turbine solution - 3,0 kW rated power (87 l/sec 22,5 Kpa) with a side-channel solution - 4,0 kW rated power (100 l/sec 27,0 Kpa)
ADVANTAGES OF USING SUCTION CLEANER____________________________________________¾ Ease of cleaning¾ One time cleaning with no displacement of dust from one place to another¾ Removal of fine & embedded dust particles.¾ Friendly towards the operator¾ Enhanced company image.¾ Can be utilized for material retrieval & save wastages
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