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Anaerobic biological treatment device for wastewater

A technology of anaerobic biology and treatment equipment, which is applied in the direction of anaerobic digestion treatment, etc., can solve the problems of difficulty in effectively controlling the temperature of the reaction section of the UASB reactor, the influence of the stability and reaction efficiency of the UASB reactor, and the temperature difference, etc., to achieve improved stability performance, small water pulsation, uniform water distribution

Inactive Publication Date: 2014-01-22
GUILIN UNIV OF ELECTRONIC TECH
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Problems solved by technology

At present, the UASB reactor system still has the following problems: (1) The heating device of the UASB reactor generally heats the wastewater and then pumps it into the UASB reactor. Temperature difference, it is difficult to effectively control the temperature of the reaction section of the UASB reactor, which affects the stability and reaction efficiency of the UASB reactor

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  • Anaerobic biological treatment device for wastewater
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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] A wastewater anaerobic biological treatment device, comprising a UASB reactor 8, an airtight buffer container 5, and a water bath 4; the reaction section of the airtight buffer container 5 and the UASB reactor is jointly arranged in the water bath 4, and the airtight buffer container There is a water inlet 1 at the bottom of the airtight buffer container, and a water outlet 7 is arranged on the upper side wall of the airtight buffer container, and the height of the water outlet 7 is higher than the reaction section of the UASB reactor, and the water outlet 7 of the airtight buffer container 5 passes through the connecting pipe 9 Connect with the water inlet of the UASB reactor.

[0015] All components of the wastewater anaerobic biological treatment device are arranged in the frame 2 . The connecting pipe 9 passes through the water bath 4 , and ...

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Abstract

The invention discloses an anaerobic biological treatment device for wastewater. The anaerobic biological treatment device comprises a UASB (upflow anaerobic sludge blanket) reactor, a closed buffering container and a water bath tank, wherein the closed buffering container and a reaction section of the UASB reactor are arranged in the water bath tank; a water inlet is formed in the lower part of the closed buffering container; a water outlet is formed in the side wall of the upper part of the closed buffering container; the height of the water outlet is greater than that of the reaction section of the UASB reactor; the water outlet of the closed buffering container is connected with a water inlet in the UASB reactor through a connection pipeline. A heating device is arranged in the water bath tank, so that the temperature of the reaction section of the UASB reactor can be effectively controlled and can be kept in an optimal temperature range. Furthermore, a gas buffering cavity is formed in the upper part of the closed buffering container and achieves the effect of an air spring, so that the wastewater can stably enter the bottom of the UASB reactor through the connection pipeline, and water at the bottom of the UASB reactor is uniformly distributed.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a wastewater anaerobic biological treatment device. Background technique [0002] The upflow anaerobic sludge bed reactor (UASB) is a high-efficiency anaerobic treatment reactor developed by Lettinga et al. in the 1970s. UASB has the advantages of high volume load, large treatment capacity, less investment, small footprint, fast start-up, and stable operation, and is widely used in the treatment of high-concentration organic wastewater. Therefore, UASB, as a classic anaerobic reactor for wastewater biological treatment, has also been widely used in various experimental teaching and scientific research. At present, the UASB reactor system still has the following problems: (1) The heating device of the UASB reactor generally heats the wastewater and then pumps it into the UASB reactor. The temperature difference makes it difficult to effectively control the temperature of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28
Inventor 刘成良蒋永荣刘可慧伍耀婵王春锋林金彪韦添尹张威
Owner GUILIN UNIV OF ELECTRONIC TECH
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