Twin Screw Pump as a positive displacement pump, pump suction room should be closely separated from the discharge chamber. Therefore, the clearance between the pump body and the outer surface of the screw and between the screw and the screw should be as small as possible. At the same time, the screw and the pump body, the screw and the screw mutually form the seal cavity mutually, guarantees the airtight, otherwise may have the liquid to flow back from the gap.
Twin-screw pump can be divided into two forms: internal bearing and external bearing. In the structural form of the built-in bearing, the bearing is lubricated by the conveyer. The working chamber of the twin screw pump with external bearing structure is separated from the bearing. Because of the structure of the pump and the clearance between the screws, it can transport non lubricating media. In addition, the synchronous gear is adjusted so that the screw does not touch, and the half of the output torque is transmitted to the driven screw. As all screw pumps, the external bearing type twin screw pump also has self-priming ability, and most of the pump elements themselves are double suction symmetrical arrangement, can eliminate axial force, and also have a lot of high suction.
Application examples
1, oil: used as oil and gas, water, trace fine solid particles of multiphase pump and oil pump.
2, shipbuilding industry: used for ship loading pump, bottom sweep and sewage treatment, main engine lubrication pump, fuel oil pump.
3, the petrochemical industry: used for various resins, pigments, paraffins, paints, inks, latex, various kinds of oil, crude oil, heavy oil and other loading and transportation pumps.
4, thermal power plant: used as heavy oil, crude oil delivery pump, main engine lubricating oil pump.
5, food industry: used as alcohol, honey, syrup, juice, animal and vegetable oil, milk and slurry pump.
At the same time, other products of our company include normal pressure injection Water Pump, supercharged Water Injection Pump, single and double screw pump, Reciprocating Plunger Pump, Submersible pump unit and so on.
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