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Hot water submersible pump
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Hot water submersible pump is widely used for the delivery the hot water from underground, and also can be use to pressurize pool and water tank , district heating and transfer the hot spring from underground to the hotel
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Hot water submersible pump operation parameters :
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1. Flow range : 10-500 m3/h
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2. Lift range : 10-600m
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3. Applicable well Borehole diameter : φ175-φ400mm
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4.Diameter scope:φ32—φ203mm;
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5.Temperature range: ≤120°c
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Hot water submersible pump product overview :
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Hot water submersible pump is a kind of Water -lifting machine with submersible motor and submersible pump intergrated directly into one set,
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working deep into the water.It is mainly used in the feeding and draining engineering of farmland
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irrigation,city,industry and mine establishments.
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Hot water submersible pump main purpose:
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1.Lift water from deep well
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2.Drain water from pool,river.
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3.Water supply for skyscraper
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Hot water submersible pump structure explanation:
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1.Submersible electric pump is composed of five parts: water pump,submersible motor,water line,
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waterproof cable and control switch. Water pump belongs to single suction multistage vertical
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centrifugal pump.
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2.Submersible motor adopts water-filled wet structure,internal chamber was filled with water for cooling the motor and lubricating the
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bearing.In the operation,due to the changes of temperature,the pressure of the filled water in the
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internal chamber also changes,it can be automatically regulated by pressure regulating unit in the
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lower part of motor.
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3.For preventing the sand getting into the motor,the sand preventing unit including sand slinger
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and skeleton oil sealed was installed in the upper part of motor,the whole motor was sealed tightly
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4.There are water injection hole and exhaust hole in the upper part of the motor and discharge
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hole in the lower part.
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5.There are thrust bearing and thrust collar,mainly for sustaining remnant axial force of pump and
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the empty weight of motor's rotor.
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6.The winding of motor stator adopts water-proof electromagnetic wire with good insulating and water-proof functions and rotor adopts squirrel-cage structure.
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7.When used in the environment where there are large grittiness or corrosive water,it should
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adopt the submersible pump made from casting stainless steel or copper alloy.
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Hot water submersible pump using condition:
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1. 380V voltage deviation is no more than ±5%,frequency is 50HZ, three -phase power deviation is no more than ±1%.
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2. Motor cavity must be filled with water.
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3. The first stage impeller of the pump should be more than 2mm below the moving water surface, pump unit should be less than 70m below the static water level.
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4. The distance from the motor bottom to well bottom must be more than 3m.
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5. Water temperature should be no more than 120°C.
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6. Sand content of the water ( by mass) should be no more than 0.01%.
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7. PH value of water 6.5-8.5.
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8. Hydrogen sulfide content of the water should be no more than 1.5mg/L.
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9. Chloride ion content of the water should be no more than 400mg/L.
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10. Water yield of water source should ensure the requirements of pump continuous working
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