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UASB anaerobic reactor

An anaerobic reactor and reactor technology, applied in the field of anaerobic reactors, can solve problems such as the difficulty in uniform distribution of wastewater and sludge, and achieve the effect of improving efficiency and effect, and strengthening contact

Pending Publication Date: 2020-07-24
四川理工技师学院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a UASB anaerobic reactor to solve the problem that the wastewater and sludge in the existing UASB anaerobic reactor are difficult to be evenly distributed, or need to be evenly distributed by means of a stirring device

Method used

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Embodiment Construction

[0020] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0021] This embodiment provides a UASB anaerobic reactor, such as figure 1 As shown, it includes a reactor 1 and a central tube 2 located in the reactor 1. The central tube 2 is provided with a liquid inlet channel 21 and a liquid outlet channel 24, and also includes a circulation pipe 3 whose inlet is located at In the central tube 2, the outlet is located in the reactor 1 outside the central tube 2.

[0022] In this embodiment, waste water is injected into the central cylinder 2 through the liquid inlet channel 21, and the bottom of the central cylinder 2 is provided with a liquid outlet chan...

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Abstract

The invention discloses a UASB anaerobic reactor, which comprises a reactor and a central cylinder positioned in the reactor, wherein a liquid inlet channel and a liquid outlet channel are arranged onthe central cylinder, the UASB anaerobic reactor further comprises a circulating pipe, the inlet of the circulating pipe is positioned in the central cylinder, and the outlet of the circulating pipeis positioned in the reactor outside the central cylinder. According to the invention, by arranging the circulating pipe, wastewater is injected into the reactor from the liquid outlet channel and thecirculating pipe while the mixing of the wastewater and sludge at the bottom of the reactor can be caused, so that the wastewater and the sludge can make full contact compared with the mode that onlythe liquid outlet channel is arranged.

Description

Technical field [0001] The invention relates to the technical field of anaerobic reactors, in particular to UASB anaerobic reactors. Background technique [0002] UASB reactor wastewater is introduced into the bottom of the reactor as evenly as possible, and the wastewater passes upwards through the sludge bed containing granular sludge or flocculent sludge. Anaerobic reaction occurs in the process of the contact between wastewater and sludge particles, in the anaerobic state The biogas generated below causes internal circulation, which is beneficial to the formation and maintenance of granular sludge. Some gas formed in the sludge layer adheres to the sludge particles, and the attached and unattached gases rise to the top of the reactor and rise to The sludge on the surface hits the bottom of the gas launcher of the three-phase reactor, causing the sludge flocs with attached bubbles to degas. After the bubbles are released, the sludge particles will settle on the surface of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/28
CPCC02F3/2846C02F3/2866C02F2203/006C02F2301/046
Inventor 孙波郭飞祥罗思宝蒋雯菁
Owner 四川理工技师学院