Structural characteristics and technical parameters of diesel water pumps, diesel water pumps are widely used, and are also suitable for urban water supply, large water conservancy projects, farmland irrigation, drainage, drainage pump stations, power plants, mines, industrial water supply systems, air conditioning systems, fire protection systems, shipbuilding industry , General purpose in the oil refining industry, then, the following introduces the characteristics and technical parameters of the diesel engine water pump structure.

Structural characteristics and technical parameters of diesel water pumps, diesel water pumps are widely used, and are also suitable for urban water supply, large water conservancy projects, farmland irrigation, drainage, drainage pump stations, power plants, mines, industrial water supply systems, air conditioning systems, fire protection systems, shipbuilding industry , General purpose in the oil refining industry, then, the following introduces the characteristics and technical parameters of the diesel engine water pump structure.

Diesel Engine Water Pump

Structural characteristics of diesel engine water pump

1. Compared with other similar pumps, the diesel engine water pump has the characteristics of long life, high efficiency, reasonable structure, low operating cost, convenient installation and maintenance, etc. Since it is open in the middle, there is no need to remove water during maintenance. The oil outlet pipeline and the motor (or other prime mover) are viewed from the coupling to the pump. Perpendicular to the axis, it is the pump casing. , the water pump rotates in the opposite direction of the needle.

2. The materials of the diesel engine water pump are copper, cast iron, ductile iron, 316 stainless steel, 416 rusted steel, montane alloy, titanium alloy and No. 20 alloy. Another main component of the diesel engine water pump is the pump body, pump cover, impeller , shaft, double suction seal, bushing, bearing, etc.

3. The pump body and the pump cover form the impeller working room. The inlet and outlet flanges are provided with pipe thread holes for installing vacuum gauges and pressure gauges, and the lower part of the inlet and outlet flanges are provided with pipe thread holes for water discharge.

4. The hydraulic design of the impeller adopts advanced CFD technology, and its axial position can be adjusted with the boss nut. The axial force of the impeller is balanced by the symmetrical configuration of the blade, which improves the hydraulic efficiency of the diesel pump. The impeller is statically balanced and fixed on the shaft with the boss and the boss nuts on both sides, and the remaining axial force may be borne by the bearing at the coaxial end.

5. The pump shaft of the diesel engine pump is supported by two sets of rolling bearings. The design life of the bearings is more than 100,000 hours. Double row thrust bearings and closed bearings can also be used. Installed on both ends of the pump body. According to the unique bearing body design, the bearing can be lubricated with grease or thin oil, and the diesel engine water pump is directly driven from the electric motor through the elastic pin coupling or the metal laminated type coupling. The pump body has a double suction seal, which is easy to disassemble and replace, and the driver can also be an internal combustion engine or a gas turbine.

6. The shaft sleeve of the diesel engine water pump adopts a variety of different materials. The wear ring adopts a replaceable wear ring between the pump body and the impeller, which can prevent the corrosion and wear of the shaft. The shaft sleeve can be replaced to prevent the wear of the pump body and the impeller, and the replacement is convenient. Low maintenance costs while ensuring operating clearances and high work efficiency.

7. The shaft seal of the diesel engine water pump can be sealed with packing, or it can enter the shaft seal chamber through an external cooling water pipe. There is no need to remove the water pipe and motor during inspection, which is convenient for maintenance and can also be sealed with a machine. The shaft seal cooling and flushing water can enter the shaft seal chamber through the groove on the opening surface of the pump cover, and the structural size of the pump can be changed according to the needs of the user.

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