Gas-liquid mixing pump

Abstract

The invention relates to a gas-liquid mixing pump which is provided with a rotor that includes a main shaft, shaft sleeves, a radial compression device, bearings and inner cores of the bearings; wherein the bearing are arranged at the two ends of the main shaft of an inner cavity of a cylindrical pump body, and the eccentric inner cores of the bearings are sheathed between the radial directions of the main shaft and the bearing; the shaft sleeves are sheathed at the outer circumferences of the two bearings; the radial compression device is arranged inside the rotor and extrudes the shaft sleeves outwards along the radial direction of the main shaft; grooves are arranged at the outer circumferences at the two ends of the shaft sleeves; one end of pull rods can slide inside the groove, and the other end thereof is articulated with a screw rod arranged on a pressing plate; the outer circumference at one end of the shaft sleeves close to liquid outlet is provided with a non-return block; when in the rotation of the main shaft, at least one point of the shaft sleeves is tangent with the inner cavity of the cylindrical pump body. Therefore, the gas-liquid mixing pump can simultaneously meet the requirements of transportation and pressure increment of the mixture of water and gas, can do work when the rotating speed is more than zero, can reduce or eliminate impulse of the fluid gas-liquid mixing pump, prolongs the service life by multiples, reduces the noise, and improves the stability of output.

Description

technical field [0001] The invention relates to a gas-liquid mixing pump, in particular to a delivery device for increasing fluid pressure, such as a delivery device for increasing water or gas pressure. Background technique [0002] Gas-liquid mixing pumps are classified into three types according to the medium they transport. They are air pumps, water pumps and oil pumps. Air pumps are mainly piston pumps, water pumps are mainly centrifugal pumps, and oil pumps are mainly gear pumps and vane pumps. They have a clear division of labor and generally cannot be mixed. What the present invention mainly involves is that different proportions of gas can be added while transporting liquid. The main equipment for liquid transport is a centrifugal pump. The direction of movement to achieve the purpose of conveying equipment is determined by the working method. In water conveying, it is necessary to strictly control the gas entry to reduce the impact of cavitation and avoid the flo...

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the problems of short life and high cost of the rotor in the existing gas-liquid mixing pump, and provide a gas-liquid mixing pump with long life and low cost. The efficiency of the gas-liquid mixing pump has been improved. It can increase the single-stage head of the water-air-liquid mixing pump by dozens of times, increase the flow rate of the oil-gas-liquid mixing pump to dozens of times that of the original gas-liquid mixing pump, and increase the stability of its output

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