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Anaerobic fermentation system

A technology for anaerobic fermentation and extraction of tubes, which is applied in the field of anaerobic fermentation systems, can solve the problems of reducing methane power generation benefits, achieve the effect of reducing the generation of scum and reducing the difficulty of operation

Pending Publication Date: 2020-09-11
昆山瑞淞环境科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

However, this method requires additional energy consumption or the use of methane generated by anaerobic fermentation, thus reducing the efficiency of methane power generation

Method used

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Embodiment Construction

[0048] In order to allow examiners and those skilled in the art to fully understand the effects of this application, the preferred embodiments of this invention are described as follows with reference to the figures and figure numbers. The directional terms mentioned in the following embodiments, such as: up, down, left, right, front, back, inside or outside, etc., are only referring to the directions attached to the drawings. Accordingly, the directional terms used are for illustration and not for limitation of the application.

[0049] The application provides an anaerobic fermentation system 1 such as figure 1 As shown, it includes: an anaerobic fermentation tank 10, which is used to contain and decompose an organic waste to generate a fermentation gas; an external circulation pump 20, which is connected to the anaerobic fermentation tank 10, and passes through a floating A slag extraction pipe 21 and a sludge extraction pipe 22 respectively extract a scum and a solid-cont...

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Abstract

The present invention provides an anaerobic fermentation system comprising: an anaerobic fermentation tank configured to store and break down a waste to produce the marsh gas; an external circulationpump connected to the anaerobic fermentation tank for sludge break down and circulation, utilizing a scum-extraction pipe and a sludge-extraction pipe to extract a scum and a sludge from the anaerobicfermentation tank respectively; a gas treatment device configured to collect and remove H2S in the marsh gas for corrosion prevention of the following electricity production devices and pipes; a heatexchanger for recycled sludge, which uses the redundant heat from the electricity generator to heat up a cold water. The heated water was used to increase the temperature of recycled scum and sludgethrough the heat exchanger; and an injection pipe connected to the circulation pump for injecting the heated scum and the heated sludge into the anaerobic fermentation tank under the water level surface of the anaerobic fermentation tank. The materials in the anaerobic fermentation tank can be completely mixed through this design.

Description

technical field [0001] The invention relates to an anaerobic fermentation system, in particular to an anaerobic fermentation system which utilizes waste heat during power generation to heat the temperature of sludge and scum. Background technique [0002] Anaerobic fermentation tank is mainly used in the digestion of organic sludge or the treatment of organic municipal solid waste in environmental engineering. It must use a long residence time and fermentation method to decompose organic matter, and finally produce methane and carbon dioxide. At present, it is often used to process agricultural and livestock waste or kitchen waste, and then use the methane generated to generate electricity. [0003] Under the premise of ensuring anaerobic conditions, mixing effect and residence time, the traditional anaerobic fermentation tank will choose to use a closed reaction tank and use a built-in agitator to achieve the mixing effect. However, for the anaerobic fermentation system th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/04
CPCC02F11/04
Inventor 潘时正
Owner 昆山瑞淞环境科技有限公司
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