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Advantages of hand-held diesel fire pumps

The hand-held fire pump is mainly suitable for the fire fighting of the armed police fire brigade, various professional fire brigades, industrial and mining enterprises, counties, villages and towns, etc. It is more specific in areas where fire vehicles cannot pass. , water supply and emergency disaster rescue ideal equipment.

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There is a liquid storage chamber in the body of the diesel engine water pump, which is the same as the pump working chamber through the upper return hole and the lower circulation hole, forming the axial return and external mixing system of the pump. After the pump stops working, the inner cavity of the pump has stored a certain volume. When the pump starts, the liquid stored in the pump is thrown upwards with the air under the action of the impeller, the liquid flows back to the working chamber through the grid of the gas-liquid separation pipe, and the gas is discharged out of the pump, making the pump A certain degree of vacuum is formed inside to achieve the effect of self-priming. The diesel engine water pump integrates self-priming and non-clogging sewage discharge. It adopts the axial backflow external mixing type, and through the unique design of the pump body and impeller flow channel, it can be installed without the bottom valve and tank water diversion like ordinary self-priming clean water pumps. It can also absorb and discharge liquids containing large solid particles and long fiber impurities, and can be widely used in municipal sewage discharge, flood control, drought relief, farmland irrigation in mountainous areas, and river pumping. It is an ideal diesel engine self-priming pump.

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    Generally speaking, we recommend that where natural ventilation is used to install diesel engine fire pumps, there must be vents and exhaust ports of sufficient size, and the position of the vents ensures that there is enough fresh air to supply the diesel engine for combustion within the temperature limit. Of course, the water supply radiator can also be used to take away the heat of the circulating cooling water and the heat emitted from the surface of the unit. If the space cannot meet the requirements of natural ventilation and cannot effectively dissipate heat, it is recommended that you adopt forced ventilation, install an intake fan and an exhaust fan at the vent, and choose a location that can provide enough cold air for the diesel engine and take away the machine room hot air inside. Generally speaking, the air intake of the unit should be 6-7 times that of the diesel engine. Only in this way can normal ventilation be ensured and the operating efficiency of the equipment can be improved.

    In addition, it must be fixed firmly so that the entire unit can be supported to ensure that the unit is in a horizontal state and absorb vibration. Generally speaking, the foundation of the unit adopts a concrete structure. The length and width are 150-250mm on one side of the length and width of the unit chassis, and the depth is 300-600mm. The height of the anchor bolts should be about twice the bolt diameter. And there should be a 750mm channel on both sides and front of the unit to facilitate the operator’s inspection and general maintenance.