High-efficiency jet flow aeration device

Abstract

The invention relates to a high-efficiency jet flow aeration device, which comprises a high-pressure water pump, a jet flow pipe and an air pipe, wherein the jet flow pipe is arranged on an outlet of the high-pressure water pump, and forms an output pipe of the high-pressure water pump; and the front end of the air pipe is positioned in the jet flow pipe, and a front end opening of the air pipe is positioned on the inner side of a front end opening of the jet flow pipe. When high-speed water flow is jetted from the jet flow pipe, a high negative-pressure zone is formed near the outlet of the air pipe, the air is sucked out of the air pipe and mixed with the water flow, and air molecules are violently bumped with water molecules in the high-speed flowing process to form a gas-liquid two-phase mixture, so that the mass transfer strength is greatly improved, and the good aeration effect is formed; because the jet flow is formed by the water pump, the jet flow formed in deeper water can be aerated, so that the water depth used in the invention is obviously deeper than that of the prior aeration head, and the water depth of the corresponding aerobic processing equipment is improved; and the jet flow can be processed twice in the same water, so that the floor area is reduced, and the utilization rate of the field is improved.

Description

technical field [0001] The invention relates to sewage treatment equipment, in particular to a high-efficiency jet aeration device, which belongs to the technical field of environmental protection. Background technique [0002] Aeration equipment is an important factor affecting the effect of aerobic biochemical treatment. At present, aeration heads of various structures are mostly used. The aeration head is set at the bottom of the sewage treatment equipment, and the high-pressure air supply pipe is connected to shoot air out through the aeration head. In order to achieve the mixed mass transfer of air and sewage and achieve the effect of aeration, due to the pressure limitation of the air source, this kind of aeration equipment can only be used within 5 meters of water depth, and the water that is too deep will not be able to aerate. This also limits the depth of the aerobic biochemical pool and increases the floor area of ​​the aerobic treatment system. In addition, the g...

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Problems solved by technology

[0002] Aeration equipment is an important factor affecting the effect of aerobic biochemical treatment. At present, aeration heads of various structures are mostly used. The aeration head is set at the bottom of the sewage treatment equipment, and the high-pressure air supply pipe is connected to shoot air out through the aeration head. In order to achieve the mixed mass transfer of air and sewage and achieve the effect of aeration, due to the pressure limitation of the air source, this kind of aeration equipment can only be used within 5 meters of water depth, and the water that is too deep will not be able to aerate. This also limits the depth of the aerobic biochemical pool and increases the floor area of ​​the aerobic treatment system. In addition, the gas-liquid mass transfer effect of this method of launching air jets into the sewage is limited, which requires a lot of energy and energy. high pressure air

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