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PFA-CO-MBR sewage treatment integrated equipment and process thereof

A PFA-CO-MBR and sewage treatment technology, which is applied in biological water/sewage treatment, water/sludge/sewage treatment, special treatment targets, etc., can solve the problems of high cost and complicated equipment, and achieve the purpose of promoting mixing and improving The effect of biochemical reaction efficiency

Inactive Publication Date: 2019-02-12
浙江中科筑原生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the need to maintain aeration in the aerobic reactor, the plug-flow equipment is complicated and expensive

Method used

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  • PFA-CO-MBR sewage treatment integrated equipment and process thereof
  • PFA-CO-MBR sewage treatment integrated equipment and process thereof

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Experimental program
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Effect test

Embodiment Construction

[0020] Such as figure 1 As shown, the wastewater to be treated directly enters the aerobic tank, and enters the sludge storage coil 5 through the sludge return pump. As the reaction progresses, the environment in the pipe changes from aerobic to anaerobic, and then overflows from the top of the pipe back to aerobic In the pool, the sewage completes the aerobic-facultative-anaerobic-aerobic reaction process to achieve the effect of degrading COD and removing nitrogen and phosphorus. The dissolved oxygen concentration in the aerobic tank is adjusted by the aeration pump 3, and the treated wastewater is sucked by the pump 8, and the sludge and most microorganisms and viruses are effectively intercepted by the MBR ultrafiltration membrane module, and the water quality can reach the first-class discharge standard. This enables efficient treatment and reuse of sewage.

[0021] Such as figure 2 As shown, the internal card slot baffles can retain part of the sludge without losing i...

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Abstract

The invention discloses a sewage treatment integrated equipment PFA-CO-MBR which has a full name in English of Plug Flow Anoxic-CSTR (Continuously Stirred Tank Reactor) Oxic-Membrane Bioreactor. The membrane bioreactor comprises an aerobic tank, an anaerobic thrustplug flow reactor, a sludge reflux pump, a membrane assembly, an aeration device and a water inlet and outlet device, wherein the anaerobic thrustplug flow reactor is a disc-shaped pipeline with upper and lower staggered blocking slots therein, and is arranged in an aerobic tank body. An anaerobic reaction stage and an anoxic reaction stage section are performed in a disc-shaped pipelinecoiled tube, sludge and sewage are pumped in from the bottom of the disc-shaped pipelinecoiled tube, and flows out from the top to enter the aerobic tank to continuously react. The integrated equipment and the process thereof have the advantages of being small in size, small in floor space, high in pollutant removal efficiency for pollution, simple in process, capable of saving energy consumption, and the like.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a PFA-CO-MBR equipment, the English full name is PlugFlow Anoxic-CSTR (Continuously stirred tank reactor) Oxic-Membrane Bioreactor, a plug-flow anaerobic-totally mixed aerobic-membrane bioreactor device. Background technique [0002] In recent years, with the increasingly stringent water discharge standards and the rapid development of membrane technology, membrane bioreactor (Membrane Bioreactor, referred to as MBR) technology, one of the new wastewater treatment technologies, replaces the traditional activated sludge process with membrane modules. The secondary sedimentation tank in the middle improves the efficiency of solid-liquid separation. The high-efficiency interception effect of the membrane keeps the microorganisms in the activated sludge in the reaction tank to a large extent, which enhances the sewage treatment effect, so it is more and more used in industr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30
CPCC02F3/301C02F2203/006C02F2303/04
Inventor 郑涛张亚兵周政忠苏毅冉根柱
Owner 浙江中科筑原生态科技有限公司