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Bottom-inflow manual quick percolation system

A technology of artificial rapid infiltration and bottom water intake, which can be used in water pollutants, biological water/sewage treatment, water/sludge/sewage treatment, etc., and can solve problems such as low total nitrogen removal rate.

Active Publication Date: 2016-10-12
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the low removal rate of total nitrogen in the traditional artificial rapid infiltration system, the patent of this invention designs an improved artificial rapid system that can use organic matter in sewage itself for denitrification

Method used

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  • Bottom-inflow manual quick percolation system

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Embodiment Construction

[0010] 1. Sewage organic matter interception process

[0011] For each water intake, a certain amount of sewage is poured into the anaerobic section, so that organic matter is retained in the anaerobic section for denitrification, and the water flows out naturally along the lower high-level outlet and is collected in the outlet pool.

[0012] 2. The process of effluent recharge in the anaerobic section

[0013] After the sewage poured into the anaerobic section has been infiltrated, the water in the effluent pool is refilled to the top of the percolation column in the aerobic section with a lift pump, and the ammonia nitrogen (NH 4 + ) will be nitrified according to the process in the traditional CRI system and converted into nitrate (NO 3 — ), enters the anaerobic percolation column from the lower outlet, under anaerobic conditions and in an environment rich in organic matter, nitrate (NO 3 — ) is denitrified to nitrogen (N 2 ). At the same time, the water stop valve o...

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Abstract

A bottom-inflow manual quick percolation system is provided. A traditional manual quick percolation system is divided into an upper aerobic section and a lower anaerobic section, the anaerobic section is filled with a wastewater intercepting organic carbon source, outflow is charged back to the upper aerobic section, high-nitrate outflow of the aerobic section may be denitrified in the anaerobic environment of the lower anaerobic section under the action of the intercepting organic carbon source, thereby removing total nitrogen; the system uses organic carbon of wastewater itself to carry out denitrification, there is no need to add extra carbon sources when the wastewater organic carbon is sufficient, wastewater treatment cost is reduced, the system is simple in design and easy to popularize, the traditional manual quick percolation system will apply just with slight modifications, it is possible to perform more back-charging times in response to different water quality requirements, and the treating capacity is flexible.

Description

technical field [0001] The invention relates to the technical field of sewage and wastewater treatment equipment, in particular to the improvement of the total nitrogen removal rate of an artificial rapid percolation system. Background technique [0002] Constructed Rapid Infiltration (CRI for short) is a type of land treatment, which refers to the controlled dosing of sewage on the surface of artificially constructed infiltration media, so that it can be infiltrated downwards. After experiencing different physical, chemical and biological effects, the purpose of purifying sewage is finally achieved. The CRI system draws on the advantages of the sewage rapid infiltration land treatment system and the artificially constructed wetland system, and develops into a new sewage treatment technology that is more efficient, cheaper, and occupies a smaller area. [0003] The patent number is ZL200410073951.8, an invention patent named "artificial rapid infiltration sewage treatment s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F101/16
CPCC02F3/302C02F2101/16
Inventor 许文来唐敏王璟简悦
Owner CHENGDU UNIVERSITY OF TECHNOLOGY