The scope of the rotational speed of screw pump is reasonable

screw pump because it was to be variable transport, strong self-priming capacity, reversible, carrying liquid containing solid particles and other characteristics, in the sewage treatment plant, widely used in transporting water, wet sludge and flocculant solution. Screw pump selection should follow the principle of economic, reasonable and reliable. If be thoughtless in planning the selection, to use in the future, to deal with trouble, repair, so choose a produce according to actual needs, reasonable and reliable screw pump can not only guarantee the produce smoothly, and can reduce capital repair. The speed of the screw pump selection of screw pump flow and speed into linear relation, relative to the low speed of screw pump, high speed of screw pump is to increase the capacity and head, but power are increased, the high speed to speed up the abrasion between the rotor and stator, must make the premature failure of screw pump, and the high speed of the screw pump stator length is short, easy to wear and tear, thus shorten the use of the screw pump life.

by slowing or to drop speed stepless speed regulation organization, to keep the speed under three hundred revolutions per minute, within the scope of the reasonable compared with the high speed of screw pump, can prolong using life several times. The quality of the screw pump in the market now is more, the kinds of screw pump, screw pump imported from reasonable planning, raw material is exquisite, but the price is higher, the service aspect some do not reach the designated position, accessories price is high, the order cycle is long, may affect the normal operation of producing. Domestic production of generic mostly imported products, product quality is good and bad are intermingled, when choosing domestic produced products, considering its cost-effective, choose low rotation speed, long lead, transmission quantity of parts excellent raw materials, product rated life long.

screw pump oil to the mechanical recovery method is common all over the world, and its common pump is not completely full of homework problems, form the low yield, screw pump is not completely filled because of the pump capacity is greater than the well production or pump suction inlet gas separation is not good, part of the pump rate suffer indignities that trouble and loss, if eliminate pump gas in trouble and manipulation of the pump running time, and make the pump rate match the amount of fluid flow into the bottom hole, can progress and falling capital efficiency.

keep the screw water pump oil productivity of the specific practices are as follows: keep the screw pump efficiency of five practices should be acoustic liquid level measurement, determine the production level and relative depth of the pump suction import. If the liquid level above the pump suction imports, as well it is not possible to big mining production. If the trouble affecting yield is gas, the liquid level is higher than the pump suction pump imported; If it is a large amount of smoke leads to low productivity, the liquid level should be in the water pump suction inlet or nearby.

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