Embedded multistage denitrification filter tank

A denitrification filter, embedded technology, used in anaerobic digestion treatment, chemical instruments and methods, water treatment parameter control and other directions, can solve the complex sewage impurities, can not meet the needs of development, and there is no reservation in wastewater treatment. It can solve the problems of processing capacity and space, so as to achieve the effect of strengthening denitrification and enhancing the purification effect.

Pending Publication Date: 2017-11-28
上海峰渡水净化工程有限公司
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Problems solved by technology

[0004] On the other hand, the impurities contained in the discharged sewage are also more complicated, and the treatment standards have increased compared with the past, but many urban sewage treatment plants did ...

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  • Embedded multistage denitrification filter tank

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Embodiment

[0023] Example 1: If figure 1 As shown, a kind of embedded multistage denitrification filter that the present invention proposes, by concrete tank body 1, filter tank water distribution device 2, filter tank air distribution device 3, filter tank lower filter plate 4, filter material 5, filter tank The upper filter plate of the pool (or the lower grid plate of the anaerobic section) 6, the anaerobic biological carrier 7, the upper grid plate 8 of the anaerobic section and the water distribution tank 9 of the filter tank. Among them, the anaerobic biological carrier 7 can be used as a carrier for the attachment and reproduction of microorganisms in the water body, forming a layer of biofilm, which can quickly degrade excess TN, COD, and BOD in the water body 5 , NH 3 -N, TP and other pollutants; while the filter material 5 can effectively intercept suspended solids in water and sewage, further reduce SS, COD and other pollutants in the water body, and improve the sewage purifi...

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Abstract

An embedded multistage denitrification filter tank provided by the invention is composed of a concrete tank body, a filter tank water distribution device, a filter tank gas distribution device, a lower filter tank filtering board, a filtering material, an upper filter tank filtering board (or a lower anaerobic segment grid), an anaerobic bio-carrier, an upper anaerobic segment grid and a filter tank water distribution tank. The purpose of the invention is to provide the novel denitrification filter tank. A bio-filler is introduced to the filter tank without affecting the filtering effect of the filter tank, microbes in water are used as a microbial source and undergo dynamic culture natural biofilm culturing to form a microbial film in order to realize the further removal of TN, COD, NH3-N, TP and other pollutants, thereby providing a method using the bio-filler to construct a biofilm in order to enhance the denitrification function and purify water.

Description

technical field [0001] The invention relates to an embedded multi-stage denitrification filter, and specifically belongs to the technical field of water treatment. Background technique [0002] In the process of continuous economic development in our country, various new technologies and materials are continuously applied to industrial production and daily life. A lot of pollution. The existing sewage treatment equipment in the city can no longer meet the discharge targets at the current stage. If you want to meet the discharge targets, you need to carry out technical transformation of the sewage treatment plant to improve the treatment efficiency. [0003] On the one hand, some sewage plants have a certain removal rate for major pollutants such as COD, BOD5, SS, NH3-N after secondary biological treatment, but most of the index values ​​of the effluent do not all meet the first-level B standard. At this stage, the effluent indicators of sewage treatment plants are required...

Claims

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Application Information

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IPC IPC(8): C02F3/28
CPCC02F1/006C02F3/2806C02F3/286C02F2209/18C02F2209/14C02F2209/16C02F2209/08
Inventor 杨明姜义行
Owner 上海峰渡水净化工程有限公司
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