Model QJR Series - Geothermal Well Submersible Pump
The Ganquan brand QJR series well submersible hot water pump is suitable for geothermal wells and is used for extracting geothermal water. Geothermal energy is a cheap and clean energy source widely used in heating, medical, bathing, breeding, planting, industrial and agricultural production, and entertainment services. QJR series submersible pumps are submerged into geothermal wells and have the advantages of heat resistance, anti-corrosion, high efficiency, energy saving, convenient installation and maintenance, etc. They are the replacement products of geothermal water lifting equipment. In addition, the company's hot water deep well submersible pump can work normally in the hot water environment of 120 °C, and it has passed the national ministerial certification.
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Product Details
First, technical parameters:
Size: 6 inches - 12 inches
Flow : 5 - 600 cubic meters / hour
Head: 6 - 600 meters
Power: 3 - 250 kW
Power: voltage 380V + 5%, frequency 50Hz + 1% Hertz, three-phase AC .
Production standards: NEMA standards, national standards, enterprise standards.
Second, the use of conditions:
1. Water temperature should not be higher than 100 ° C (higher than 100 ° C requires special customization).
2. The first stage impeller of the pump should enter the moving water level at least 3m. The electric pump unit should not be more than 70m below the static water level. The bottom of the motor should not be less than 5m from the bottom of the well.
3. Water salinity and water quality regulations
3. Material selection:
1. Impeller: cast iron or tin bronze.
2. Pump casing: cast iron or stainless steel.
3. Pump shaft: cold drawn steel chrome or stainless steel.
4. Motor seal: rubber seal, O-ring, mechanical seal.
Fourth, the structure description:
QJR well thermal submersible pump The whole unit consists of heat-resistant pump, heat-resistant submersible motor, pipeline part (including water pipe, pump seat, etc.), heat-resistant cable, gate valve, control cabinet and so on. The pump and the motor are directly connected to the geothermal water through the coupling.
1. The pump working part is the core of the unit. It consists of impeller, middle shell, upper shell, pump shaft, bearing, water inlet section, check valve and valve body.
2. The submersible motor is the power source for the unit. It consists of stator, rotor, upper and lower guide bearings, thrust bearing, base, connecting frame and sealing device.
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