WHAT IS PUMP ? Pump is a device to move the fluid from one ... · Lesson 1.7 PUMP WHAT IS ... place...
Transcript of WHAT IS PUMP ? Pump is a device to move the fluid from one ... · Lesson 1.7 PUMP WHAT IS ... place...
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Lesson 1.7 PUMPWHAT IS PUMP ?
Pump is a device to move the fluid from one place to another place, means addition of ENERGY to fluid for moving.
CLASSIFICATION OF PUMP.
there are mainly two types of pumps but pump should be classified by their working principle are as follows.
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1. POSITIVE DISPLACEMENT PUMP[a] Reciprocating pump1. Piston pump. 1. Single acting. 2. Double acting2. Plunger pump.3. Diaphragm pump.[b] Rotary pump1. Gear pump
1. Internal Gear pump. 2. External Gear pump2. Cam pump. 3. Vane pump. 1. swirling. 2. sliding pump.4. Screw pump.5. Lobe pump. 1. Two lobe pump. 2. Three lobe pump
Lesson 1.7.1 CLASSIFICATION OF PUMP
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2. ROTODYNAMIC VELOCITY PUMP.
1. Centrifugal pump. 1. Single stage 2. Multi stage. 2. Centripetal pump.3. Semi axial or Mixed flow pump.4. Axial flow or Propeller pump.5. Turbo blade or Turbine pump.
3. IMPULSE PUMP.1. Hydraulic ram pump.2. Hand pump. 3. Jet pump.
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PISTON PUMP OR RECIPROCATING PUMP
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PARTS OF C.F. PUMP
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CENTRIFUGAL PUMP
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CROSS SECTIONAL VIEWS OF C.F. PUMP
IN THIS FIGURE WE CAN SEE -IMPELLER ROTATION.-OPEN IMPELLER.-CASING.-IMPELLER EYE.
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EXTERNAL GEAR PUMP LOBE PUMP
INTERNAL GEAR PUMP
THREE LOBE PUMP
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DIAPHRAGM PUMP• IT IS USED FOR
HANDALING IGHLY CORROSIVE LIQUID & ABRASIVE SOLID LIQUIDS.
• IT IS POSITIVE DISPLISMENT PUMP.
• IT IS MADE FROM RUBBER,PLASTICS,LEATHAR, OR ANY FLAXIBAL M ATIRIALS.
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MONO PUMP
• MONO PUMP GIVES A UNIFORM FLOW & IS QUITE IN OPERATION.
• IT IS USED FOR HANDLING CORROSIVE&GITTY LIQUID.
• IT IS USED FOR HIGH PRESSURE SUPPLY.
1. INLET &OUTLET
2. STATOR
3. ROTAR
2 3
1
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THE OPERATION MODE OF MONOPUMPMONO MERLIN WIDE THROAT PUMP
• THE FLOW PATH OF FLUID IN MONO PUMP SHOWS THAT HOW LIQUID ENTER & DISCHARGED FROM PUMP.
• THIS SCREW PUMP IS USED FOR HIGHLY VISCOUS FLUID LARGELY USED IN POLYMER INDUSTRIES.
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SCREW PUMP
SCREW PUMP IS USED FOR HANDLING GASEOUS LIQUID & RESIGN SLURRY.
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• PUMP ROTER IS MOUNTED OFF CENTERE IN-CASING.
• THE VANES ARE THROWN OUTWARDS BY CENTRIFUGAL ACTION.
• THIS PUMP IS USED FOR OILY LIQUID & OTHER VISCOUS LIQUID.
VANE PUMP
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C/S OF INTERNAL GEAR PUMP
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HYTOR LIQUID RING PUMP
• this is positive displacement pump with a specially shaped casing, and a liquid seal which rotate with the impeller.
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Lesson 1.7.3 VACCUMTHE SYSTEM OPERATED BELOW ATMOSPHERIC PRESSURE IS CALLED AS VACCUM SYSTEM.ATMOSPHERIC PRESS. IS 760 MM OF Hg
VACCUM PRODUCING DEVICES ARE,WATERING VACCUM PUMP,OIL IMMERSE VACCUM PUMP,STEAM JET EJECTOR
VACCUM PUMP IS A ONE TYPE OF OMPRESSOR WHICH TAKES SUCTION BELOW ATMOSPHERIC PRESSURE & DISCHARGE AGAINST ATM. PRESSURE.
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WATERING VACUUM PUMP
• for higher pressure rotary compressor of the sliding vane type is used.
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SLIDING VANE ROTARY COMPRESSOR VACUUM PUMP
• for higher pressure rotary compressor of the sliding vane type is used.
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Lesson 1.7.3 COMPRESSORthe machine that can be used to increase the
pressure of air or gas is called as compressor.
two types of compressor1. positive displacement 2. dynamic type
purpose of compressor-pull air from atmosphere-reduce volume-increase pressure-storage of pressrise air or gas
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Lesson 1.7.3 COMPRESSOR
USES OF COMPRESSOR
for running hand tools, rock drill, kvoring, sand blasting, mines, colour spray, refrigeration,engine cylinder, penumatic break, air operated pump, lift, penumatic transportation, gas turbine, tube cleaning
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RECIPROCATING COMPRESSOR
• IT IS USED FOR HIGH PRESSURE DEVELOPMENT.
• IT IS ALSO CALLED AS MULTI STAGE COMPRESSOR.
• 1. PISTON• 2. ECCENTRIC
SHAFT• 3. OIL 4. CYLINDER
1
23
4
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TWO LOBE COMPRESSOR
• ROTARY BLOWERS ARE OF POSITIVE DISPLACEMENT TYPE.
• THIS MACHINE DEVELOP PRESSURE UP TO 100 KN/M2
TWO LOBE
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USES OF COMPRESSOR
FOR RUNNINGHAND TOOLS, ROCK DRILLKVORING, SAND BLASTING,MINES, COLOUR SPRAY, REFRIGERATION
ENGINE CYLINDER, PENUMATIC BREAK, AIROPERATED PUMP, LIFT, PENUMATICTRANSPORTATION, GAS TURBINE, TUBE CLEANING
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Lesson 1.7.4 PREVENTION OF LEAKAGE AROUND ROTARY SHAFT
• In process equipment there is no leakage between the fix part & the parts which is moveable.
• Leakage is prevented by the equipment is called as stuffing box or mechanical sealThere are two types of stuffing box,Simple stuffing boxLantern ring stuffing box
Mechanical seal is very important but it is very costly.That’s why it is used for valuable material handling
equipment or where accident taken place due to leakage.
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MECHANICAL SEAL
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STUFFING BOX
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• THE SOFT PACKING PLACED BETWEEN STUFFING BOX & SHAFT IS CALLED AS GLAND PACKING.
• IN PUMP OR VALVES THREE TYPES OF PACKINGS ARE USED
• SOFT TYPE• HARD-SELF ADJUSTING TYPE• LABERINTH TYPE METALIC
Lesson 1.7.4 GLAND PACKING
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• OTHER PACKINGS ARE,ASBESTOS YARN FOR ACIDASBESTOS PLATE PACKING FOR DRY ACIDGRAPHITE FOR HOT WATER & STEAMSELF LUBRICATING ASBESTOS PLATE
PACKING FOR WATER & EFFLUENTS
TEFLON PACKINGS
Lesson 1.7.4 GLAND PACKING
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GLAND PACKINGS
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1. CAF-(OIL RESISTANCE) GASKETIt is used in handling of steam, caustic, ammonia, kerosene,
salt water etc.2. CAF-(ACID RESISTANCE) GASKET
It is used in sulphuric acid handling3. CAF-(STEEL WIRE RAIN FORCE) G.
It is used in steam line temp up to 400 deg. Cent.4. SOFT STEEL CLADE GASKET
It is used in high temp. &high press. Line also in acid line.5. COPPER CLADE GASKET
It is used for special purpose.6. STAINLESS STEEL CLADE GASKET
It is used in high temp. & high press. & in hydro carbon line.
Lesson 1.7.4 GASKET MATERIALS