3results about How to "Short self-priming time" patented technology

A self-priming pump with large flow and high specific speed, the booster plate structure is located in the water pressure chamber, the booster plate structure divides the water pressure chamber into a reflux buffer chamber and a reflux injection chamber to enhance the self-priming performance; the injection structure includes an injection main pipe, an upper injection branch pipe, a middle injection branch pipe, and a lower injection branch pipe, and the upper injection branch pipe, the middle injection branch pipe, and the lower injection branch pipe are connected to the outlet end of the injection main pipe to form a three-way injection structure; the booster plate structure includes an upper booster groove and a lower booster groove, and the longitudinal cross-sectional structure of the upper booster groove and the lower booster groove is a trapezoidal structure. Due to the improvement of the structure of the self-priming pump, the injection structure and the booster plate structure are set, the flow characteristics are improved, the impact loss of the pump is reduced, and the efficiency of the pump is improved; the speed circulation of the pump is reduced, the speed of the gas-liquid mixing of the pump is accelerated, the self-priming time of the pump is reduced, and the service life of the pump is extended.

According to the blade type hydraulic module blade provided with the elastic sealing sleeve, the elastic sealing sleeve is installed at the extending end, the elastic sealing sleeve is composed of an elastic body, a wall skirt and a hooked edge, the elastic body is provided with a protruding arc face making contact with the inner arc face of an upper partition tongue, and when a rotor drives the blade to rotate to the position of the upper partition tongue, the elastic body is sleeved with the wall skirt. The arc surface of the elastic sealing sleeve on the blade is in interference contact with the inner arc surface of the upper separating tongue, the arc surface generates elastic deformation to form a tightly-attached sealing surface, and due to the fact that friction positive pressure is small, consumed power is small, but high sealing performance is obtained, common liquid (such as water and oil) or viscous liquid (such as thick oil) can be sucked, and the sealing effect is good. The gas pump can convey gas or liquid containing the gas, and is high in volume efficiency, stable in operation and long in service life. The elastic sealing sleeve is made of wear-resistant elastic plastic and is regularly replaced as a quick-wear part, and after replacement, the sealing performance of the pump can be comprehensively recovered.

The utility model provides a kind of self-priming pump with built-in gas-liquid structure, belong to self-priming pump technical field.It solves the problem of insufficient operating efficiency of self-priming pump in prior art.The utility model includes pump shell, pump body, impeller, gas-liquid ejection pipe, intermediate body and driving motor, and extension cuboid is formed outside pump shell, and communication seat is formed inside pump shell, and flow guide channel is provided in the inside of communication seat and is communicated with gas-liquid inlet, and gas connection hole and liquid connection hole are respectively provided in communication seat, one end of gas-liquid ejection pipe is connected with pump body and the other end is connected with communication seat, gas-liquid channel is provided in the inside of gas-liquid ejection pipe, and connector is formed in one end of gas-liquid ejection pipe and gas-liquid cylinder is formed in the other end, liquid inlet window is provided on the outer surface of gas-liquid cylinder, gas-liquid ejection pipe is inserted into communication seat, gas-liquid cylinder is connected with water connection hole and liquid inlet window is communicated with flow guide channel, and air inlet head is connected with gas connection hole.The utility model has the advantages of compact structure and high efficiency.