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Detachable underwater jet aeration device with laval spraying pipes

A Rafal nozzle and jet aeration technology, applied in sustainable biological treatment, chemical instruments and methods, biological water/sewage treatment, etc., can solve problems such as difficulty in replacement, achieve convenient disassembly, increase flow rate, and increase pressure Effect

Inactive Publication Date: 2013-11-06
上海斯科瑞环保节能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention discloses a detachable underwater jet aeration device using a Lafal nozzle, which is used to solve the problem that the traditional jet aeration tube is fixedly installed at the bottom of the pool below the water surface and is difficult to replace

Method used

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  • Detachable underwater jet aeration device with laval spraying pipes
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Embodiment Construction

[0016] According to the claims of the present invention and the content disclosed in the summary of the invention, the technical solution of the present invention is specifically as follows:

[0017] A detachable underwater jet aeration device using a Lafal nozzle, which includes: a jet device 1 is detachably arranged on a counterweight base 5, and a plurality of jet aeration pipes 2 are detachable It is arranged on the jet device 1, the jet aeration pipe 2 is a Lafal nozzle, a water inlet connection flange 3 is vertically arranged on the top of the jet device, and an air inlet connection flange 4 is arranged on the side of the jet device 1, this The counterweight base 5 in the invention is made of reinforced concrete, which increases the mass of the counterweight base 5 of the present invention and is stable underwater, and the reinforced concrete can withstand long-term immersion and corrosion, and is not prone to damage , greatly increasing the service life of the present i...

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Abstract

The invention discloses a detachable underwater jet aeration device with laval spraying pipes. The detachable underwater jet aeration device comprises a jet device, a plurality of jet aeration pipes, a water inlet connecting flange and an air inlet connecting flange; the jet device is detachably arranged on a counterweight base; the jet aeration pipes which are detachably arranged on the jet device are the laval spraying pipes; the water inlet connecting flange is vertically arranged at the top of the jet device; the air inlet connecting flange is arranged on the lateral side of the jet device. The detachable underwater jet aeration device with the laval spraying pipes has the advantages of solving the problem that the traditional jet aeration pipes are difficult to be replaced due to the fact that the traditional jet aeration pipes are fixedly arranged at the pool bottom which is under the water surface, enabling the detachment to be convenient due to the detachably arranged jet device and jet aeration pipes and being capable of enhancing the pressure and increasing the flow velocity due to the laval spraying pipes.

Description

technical field [0001] The invention discloses a detachable underwater jet aeration device, in particular to a detachable underwater jet aeration device using a Lafal nozzle. Background technique [0002] A new process for the biological treatment of wastewater by activated sludge method. In the aeration tank, the jet diffuser is used for oxygenation. Its advantages are strong agitation and mixing ability, high oxygen transfer efficiency, good activated sludge settling performance, suitable for medium-scale aeration tanks, and medium cost. The disadvantage is that the geometric size of the aeration tank is limited, and the nozzles will be blocked. Blast type jet aeration requires a blower and a pump, while suction type jet aeration can save the blower. At present, there are devices in China that use the jet aeration method to treat urban sewage and printing and dyeing wastewater. [0003] The front half of the Rafal nozzle shrinks from large to small to a narrow throat i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/12
CPCY02W10/10
Inventor 苏志军王树营
Owner 上海斯科瑞环保节能技术有限公司
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