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Biological filter provided with modular packing layer and mounting method of modular packing layer

A biofilter and packing layer technology, which is applied in chemical instruments and methods, sustainable biological treatment, biological water/sewage treatment, etc., can solve the problem of organic matter, poor ammonia nitrogen treatment effect, high dissolved oxygen in denitrification biofilter, Affect the effect of denitrification and other issues, to achieve the effect of simple structure, low cost, easy installation and disassembly

Pending Publication Date: 2017-08-25
鞍钢集团工程技术有限公司
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Problems solved by technology

[0002] When the biological aerated filter adopts a large aeration rate, the treatment effect of organic matter and ammonia nitrogen is good, but the dissolved oxygen in the effluent is high, and a large amount of carbon source will be consumed when entering the post-denitrification biological filter; while the return flow into the pre-denitrification biological filter After the pool, the dissolved oxygen in the denitrification biological filter will be high, which will affect the denitrification effect; while the biological aerated filter adopts a small aeration volume, the treatment effect of organic matter and ammonia nitrogen is not good

Method used

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  • Biological filter provided with modular packing layer and mounting method of modular packing layer
  • Biological filter provided with modular packing layer and mounting method of modular packing layer

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Embodiment Construction

[0024] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0025] Such as figure 1 , figure 2 As shown, a biofilter provided with a modular packing layer according to the present invention includes a biofilter 1, and the biofilter 1 is sequentially provided with a water distribution area 2, a supporting layer 3, and a filter material layer 4 from bottom to top. and clear water area 5; described biofilter clear water area 5 is provided with modular packing layer 6, and modular packing layer 6 is made up of a plurality of packing modules, and each packing module all comprises square cage body 61 and is located at square cage body Filling 62 in 61; square cage body 61 is fixed in biofilter 1 through bracket 7, and can be disassembled separately; filling 62 is biological contact oxidation filling or suspension filling.

[0026] The support 7 is composed of a channel steel frame 71 and an angle steel suppor...

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Abstract

The invention relates to a biological filter provided with a modular packing layer and a mounting method of the modular packing layer. The biological filter is sequentially provided with a water distribution region, a supporting layer, a filter material layer and a clear water region from bottom to top; the modular packing layer is also arranged in the biological filter, the modular packing layer is composed of multiple packing modules, each packing module comprises a square cage body and packing arranged in the square cage body; each square cage body is fixed in the biological filter by virtue of a support and can be separately disassembled; and the packing is biological contact oxidation packing or suspended packing. The biological filter provided by the invention has the advantages that the biological contact oxidation packing or suspended packing is additionally arranged above the filter material layer of the biological filter, so that the handing capability of the biological filter can be greatly improved; meanwhile, the modular packing layer is simple in structure and is easy to disassemble and replace.

Description

technical field [0001] The invention relates to the technical field of wastewater purification treatment, in particular to an improved biological filter capable of improving treatment effect. Background technique [0002] When the biological aerated filter adopts a large aeration rate, the treatment effect of organic matter and ammonia nitrogen is good, but the dissolved oxygen in the effluent is high, and a large amount of carbon source will be consumed when entering the post-denitrification biological filter; while the return flow into the pre-denitrification biological filter After the pond, it will cause high dissolved oxygen in the denitrification biological filter, which will affect the denitrification effect; and when the biological aerated filter adopts a small aeration volume, the treatment effect of organic matter and ammonia nitrogen is not good. Contents of the invention [0003] The invention provides a biological filter with a modular packing layer and an ins...

Claims

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Application Information

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IPC IPC(8): C02F3/10C02F3/28C02F3/06
CPCC02F3/06C02F3/10C02F3/101C02F3/28C02F2101/30C02F2101/16Y02W10/10
Inventor 冯占立张新宇于丰浩李海波王军强盖亚光刁振东马英姜珊珊杨婷婷
Owner 鞍钢集团工程技术有限公司
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