Small flow three screw pump performance characteristics

Small flow three screw pump performance characteristics: 1. Simple structure: the pump itself consists of only three screws, but there are a variety of structures, the general small flow, 0.2-6.5m3 / h pump body and bushing into a horizontal Installation, shaft seal for the mechanical seal.Middle-flow pump bushing is a separate part fixed in the pump body .Made large flow pump made of double suction structure .According to the different media have a mechanical seal and packing seal two The prime mover of marine pump is AC marine motor 2. The liquid in the pump is linearly and axially linearly moved in the pump so that the pressure pulsation is small, the flow rate is stable, the noise is low, and the starting torque and vibration are very low due to the small inertia of the rotating part Small. With high suction capacity. 3. Long life: small flow three screw pump main screw is driven by the motor. The main, from the screw, between the screw and the bushing has a layer of film protection, because the pump mechanical friction pole Small, life-long semi-permanent 4. In order to ensure the safety of pumps, motors and piping systems, the medium-capacity screw pumps are equipped with safety valves, when the pressure exceeds the safety valve set pressure, high-pressure oil will be back to the pump Import. Small flow three screw pump is a screw Volume pump.In the triple-screw pump, due to the main screw and the driven screw on the spiral groove intermeshing with the inner surface of the three holes with the bushing to pump the inlet and outlet to form a number of dynamic sealing chamber, These dynamic seal chamber will continue to move the liquid from the pump inlet to the pump outlet, and make the transfer of liquid step by step to form a continuous, smooth, axial movement of the pressure of liquid. Small flow of three screw pump liquid For non-solid particles, non-corrosive oils and similar lubricants liquid, viscosity of 1.2 ~ 100oE (3.0 ~ 760cst), high viscosity liquid viscosity can be transported by heating after the transfer, the temperature does not exceed 150 ℃. Small flow three screw pump is widely used in machinery, petroleum, steelmaking, power generation, chemical fiber, food, shipbuilding and other industries.

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