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Enhanced phosphate removal and sludge reduction type sewage treatment apparatus

A sewage treatment device and sludge reduction technology, applied in water/sludge/sewage treatment, water/sewage treatment, biological water/sewage treatment, etc., can solve the problem of low nitrogen and phosphorus removal efficiency, weak impact resistance, Solve the problem of high cost, achieve the effect of increasing the dissolved oxygen amount and transfer efficiency, and reducing the energy of mechanical stirring

Active Publication Date: 2017-04-26
SHANDONG JIANZHU UNIV
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Problems solved by technology

[0008] The present invention aims at the long sewage treatment process, large sludge output, low nitrogen and phosphorus removal efficiency, and weak shock resistance ability to deal with abnormal water inflow existing in the existing sewage treatment technology As well as the high cost of treatment, an enhanced phosphorus removal and sludge reduction type sewage treatment device is designed. The device of the present invention integrates biological flocculation and sedimentation, mainstream biological phosphorus removal coupled with side-stream chemical phosphorus removal, simultaneous nitrification and denitrification denitrification, and sewage The in-situ sludge reduction is integrated, which can cope with high-concentration organic loads in a short period of time. At the same time, it has the advantages of small sludge output, good nitrogen and phosphorus removal effects, strong impact resistance, and simple treatment process. It is an effective treatment for abnormal processing. Water urban sewage treatment plant

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  • Enhanced phosphate removal and sludge reduction type sewage treatment apparatus
  • Enhanced phosphate removal and sludge reduction type sewage treatment apparatus

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Embodiment 1

[0048] An enhanced phosphorus removal and sludge reduction type sewage treatment device, such as figure 1 As shown, it includes integrated biological reaction tank, side flow chemical phosphorus removal crystallization unit and secondary sedimentation tank 13;

[0049] Among them, the integrated biological reaction tank is composed of pre-sludge reduction unit 2, anaerobic zone, anoxic zone and aerobic zone connected in sequence, and the volume ratio of anaerobic zone, anoxic zone and aerobic zone is 1 : 1: 2.5, the anaerobic zone is composed of two anaerobic tanks in series (anaerobic tank 1#4, anaerobic tank 2#5), and the top of the anaerobic tank is provided with a connected overflow port and anoxic zone There are 2 anoxic pools in series (6, anoxic pool 1#, 7, anoxic pool 2#), and the aerobic area is connected by 5 aerobic pools in series (aerobic pool 1# 8, aerobic pool 2# 9 , aerobic pool 3# 10, aerobic pool 4# 11, aerobic pool 5# 12), each anaerobic pool, anoxic pool and...

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Abstract

The invention provides an enhanced phosphate removal and sludge reduction type sewage treatment apparatus. The apparatus comprises an integrated biological reaction tank, a sidestream chemical phosphate removal crystallization unit and a secondary sedimentation tank. The apparatus integrates biological flocculation sedimentation, mainstream biological phosphate removal coupled sidestream chemical phosphate removal, simultaneous nitrification and denitrification nitrogen removal and sludge in-situ reduction, treats high-concentration organic load in a short time, has the advantages of good sludge output, good nitrogen and phosphate removal effect, high impact resistance and simple treatment process, and is a municipal sewage treatment apparatus for effectively treating abnormal inlet water.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and relates to an enhanced phosphorus removal and sludge reduction type sewage treatment device. Background technique [0002] The discharge of high-nitrogen and phosphorus-containing sewage will consume a large amount of oxygen in the water body, resulting in eutrophication of the water body and even toxicity. Therefore, the removal of bio-organic substances in sewage, especially by means of biological methods, is very important for the protection of the water environment. At present, the mainstream sewage phosphorus removal technology is mainly physical, chemical and biological methods used alone or combined. Physical phosphorus removal methods have proven to be a more expensive treatment method, such as electrolysis and reverse osmosis technology, but these technologies are inefficient, with a removal rate of only 10%. Chemical phosphorus removal technology will bring relatively hig...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F11/12C02F3/30
CPCC02F9/00C02F11/12C02F2301/08C02F2303/06C02F2001/5218C02F2001/007C02F1/52C02F1/5236C02F3/302C02F1/281
Inventor 王永磊刘宝震王洪波张克峰尹萌萌王宁徐学信王文浩许斐薛舜
Owner SHANDONG JIANZHU UNIV
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