Anaerobic reactor

An anaerobic reactor and reactor technology, applied in the field of water treatment, can solve the problems of substandard water output, high manufacturing and maintenance costs, complex reactor structure, etc., and achieve reduced equipment materials and maintenance costs, high removal rate , Enhance the effect of hydraulic turbulence intensity

Active Publication Date: 2007-09-05
TONGJI UNIV
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Problems solved by technology

[0005] For example, EGSB maintains a very high water flow rate in the entire reactor, and due to the cohesion of the methane bubbles generated, the water flow rate at the three-phase separator is quite high. When the operating conditions change greatly, a large amount of The loss of biological organisms, resulting in the substandard water discharge effect of the system, and in severe cases, the system collapses
In some established projects in European and American countries, due to the instability of the system, the rising flow rate has to be kept in a low range during operat...

Method used

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and the implementation process.

[0027] An anaerobic high-efficiency reactor, which mainly includes: a shell, a supporting base 19, a water distributor, a water distributor, an inclined plate settler, a three-phase separator, a sludge discharge port, a water inlet pump, a circulation pump, a flow meter, overflow tank, etc.

[0028] A set of water distributor and corresponding control valves are installed between the upper end of the expansion zone (4) of the sludge tank and the inclined plate settler (3) (see Figure 2). One end of the water distributor is connected to the water inlet pump, and the other end is connected to the circulation pump (see Figure 3). There is a row of mud outlets along different heights on the reactor shell (see Figure 1); between the water distributor (1) and the three-phase separator (1), a slant plate settler is installed with a gradient of ...

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Abstract

An anaerobic reactor for treating sewage is divided into upper three-phase separation region and lower sludge expanding region, and is composed of base, cylindrical casing on base, water distributor connected between water inlet pump and circulating pump, three-phase separator, slant depositor, and control valves.

Description

technical field [0001] The invention belongs to the field of water treatment and relates to an anaerobic reaction device in the water treatment industry. Background technique [0002] At present, the sewage treatment rate in cities and towns in my country is very low, and most domestic and production wastewater are directly discharged into rivers without treatment, resulting in serious water pollution. The advanced urban sewage treatment technology shows that although the pollutant removal rate is high, it has the disadvantages of large area, high basic investment and high operating costs, which makes it difficult for many sewage treatment plants to raise funds to build or maintain operation due to high costs. Anaerobic treatment technology has become an energy-saving technology that is widely concerned at home and abroad because it does not require aeration, produces less sludge, and can recover biogas. [0003] In the development of anaerobic biological treatment process, ...

Claims

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Application Information

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IPC IPC(8): C02F3/28
Inventor 张亚雷赵建夫张选军蒋柱武周雪飞
Owner TONGJI UNIV
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