Efficient sludge reflux device

A sludge return and high-efficiency technology, applied in aerobic and anaerobic process treatment and other directions, can solve the problems of inconvenient installation and maintenance of submersible sewage pumps, easy blockage of submersible sewage pumps, and energy consumption, etc. Recirculation efficiency and clogging prevention effect

Inactive Publication Date: 2015-04-08
江苏创业信息科技有限公司
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  • Abstract
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Problems solved by technology

This reflux method has the following problems in use: 1. The installation and maintenance of the submersible sewage pump is inconvenient; 2. The submersible sewage pump needs to be started when the sludge needs to be refluxed, and there is energy consumption; 3. The activity produced according to the size of the influent The amount of sludge is different, when the amount of sludge is large, it is easy to block the submersible sewage pump

Method used

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  • Efficient sludge reflux device

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Embodiment Construction

[0009] Such as figure 1 It is a structural schematic diagram of the present invention, a high-efficiency sludge return device, including a device main body 6, a sewage lifting pump 1 and a regulating tank 2, and the device main body 6 is divided into an anaerobic zone 6-1, a primary aerobic tank 6-2, Secondary aerobic tank 6-3, sedimentation tank 6-4 and clear water tank 6-5, regulating tank 2 is set on the right side of device main body 6, sewage lift pump 1 is set at the bottom of regulating tank 2 and is connected with device main body 6 through the conveying pipeline Connection, the left side of the device main body 6 is the water outlet, the top of the anaerobic zone 6-1 is provided with an air-water mixer 4, the air-water mixer 4 is connected to the surface through the air inlet pipe 3, and the bottom of the sedimentation zone 6-4 is provided with a suction mud The bell mouth 5, the mud suction bell mouth 5 is connected with the air-water mixer 4 through the delivery pip...

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Abstract

The invention relates to the technical field of sewage treatment equipment, and particularly relates to an efficient sludge reflux device. The efficient sludge reflux device comprises a main device body, a sewage lift pump and a regulating reservoir, wherein the main device body is divided into an anaerobic zone, a primary aerobic tank, a secondary aerobic tank, a settling pond and a clean-water reservoir; the regulating reservoir is arranged at the right side of the main device body; the sewage lift pump is arranged at the bottom of the regulating reservoir and is connected with the main device body through a transmission pipeline; an effluent discharge outlet is formed in the left side of the main device body; a gas-water mixer is arranged at the top end of the anaerobic zone, and is communicated with the earth's surface through an air inlet pipe; and a sludge suction trumpet opening is formed in the bottom of a settling zone, and is connected with the gas-water mixer through the transmission pipeline. The improved efficient sludge reflux device is simple in structure, and stable and reliable to work; automatic siphon reflux is achieved by virtue of the gas-water mixer; a reflux pipe is effectively prevented from being blocked; and the sludge reflux efficiency is effectively improved.

Description

technical field [0001] The invention relates to the technical field of sewage treatment equipment, in particular to a high-efficiency sludge return device. Background technique [0002] The activated sludge in the traditional buried integrated domestic sewage treatment equipment mainly relies on the submersible sewage pump for backflow. This reflux method has the following problems in use: 1. The installation and maintenance of the submersible sewage pump is inconvenient; 2. The submersible sewage pump needs to be started when the sludge needs to be refluxed, and there is energy consumption; 3. The activity produced according to the size of the influent The amount of sludge is different, and when the amount of sludge is large, it is easy to block the submersible sewage pump. Contents of the invention [0003] In order to overcome the existing above-mentioned shortcomings, the present invention provides a high-efficiency sludge return device. [0004] The technical soluti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30
Inventor 车海洋宋清玲
Owner 江苏创业信息科技有限公司
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