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CN-224212506-U - Anaerobic microbial reactor for treating high-concentration wastewater

CN224212506UCN 224212506 UCN224212506 UCN 224212506UCN-224212506-U

Abstract

The utility model provides an anaerobic microbial reactor for treating high-concentration wastewater, which comprises a reactor kettle body, wherein a booster fan is arranged outside the reactor kettle body, and a submerged impeller is arranged on the side wall of the reactor kettle body and near the bottom of the reactor kettle body. The gas generated in the reactor kettle body is sprayed to the bottom of the reactor kettle body from the top of the reactor kettle body by the booster fan, then the anaerobic microorganism sludge deposited at the bottom of the reactor kettle body is dispersed by the submerged impeller arranged at the bottom of the reactor kettle body, and the anaerobic microorganism sludge is stirred by the rising of the gas sprayed to the bottom of the reactor kettle body in the reactor kettle body, so that the local acidification of anaerobic microorganisms in the reactor kettle body can be avoided, the problems of poor stability, low efficiency and the like of the existing anaerobic microorganism reactor are solved, and the treatment of wastewater with higher concentration can be realized.

Inventors

  • CHEN YUANWEI

Assignees

  • 波态(上海)生物科技有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (6)

  1. 1. The anaerobic microorganism reactor for treating high-concentration wastewater is characterized by comprising a reactor kettle body, wherein a booster fan is arranged outside the reactor kettle body, a first pipeline is arranged at the inlet end of the booster fan, a second pipeline is arranged at the outlet end of the booster fan, the end part of the first pipeline is led to the top of the reactor kettle body and is communicated with the inside of the reactor kettle body, the end part of the second pipeline is led to the bottom of the reactor kettle body, so that gas generated in the reactor kettle body is sprayed to the bottom of the reactor kettle body from the top of the reactor kettle body through the booster fan, and a submerged impeller is arranged on the side wall of the reactor kettle body and near the bottom of the reactor kettle body so as to disperse anaerobic microorganism sludge deposited at the bottom of the reactor kettle body.
  2. 2. The anaerobic microbial reactor for treating high-concentration wastewater according to claim 1, wherein said second pipe extends from one side wall of the bottom of said reactor tank to a side wall close to the opposite side wall.
  3. 3. The anaerobic microbial reactor for treating high-concentration wastewater according to claim 2, wherein the submerged impeller is fixed on the other side wall of the reactor tank body near the end of the second pipeline positioned at the bottom of the reactor tank body.
  4. 4. The anaerobic microbial reactor for treating high-concentration wastewater according to claim 1, wherein the submerged impeller comprises a rotary impeller, a transmission rod and a driving reduction box body internally provided with a reduction gear and a driving device, the rotary impeller is connected with one end of the transmission rod and positioned in the reactor kettle body, the transmission rod is vertically fixed on the side wall of the reactor kettle body, the driving reduction box body is connected with the other end of the transmission rod and positioned outside the reactor kettle body, the reduction gear comprises a gear shaft and a gear assembly, the transmission rod is in meshed connection with the gear shaft through the gear assembly of the reduction gear, and the driving device is connected with the gear shaft of the reduction gear and drives the gear shaft of the reduction gear to rotate.
  5. 5. The anaerobic microbial reactor for treating high-concentration wastewater according to claim 4, wherein the rotating impeller of the submerged impeller has a rotating speed of 40-120rpm and a diameter of 1100-2500mm.
  6. 6. The anaerobic microbial reactor for treating high-concentration wastewater according to claim 1, wherein a double-membrane gas holder is provided on a connection path of the first pipe for buffering gas generated from the inside of the reactor tank.

Description

Anaerobic microbial reactor for treating high-concentration wastewater Technical Field The utility model belongs to the technical field of environmental protection engineering, and particularly relates to an anaerobic microbial reactor for treating high-concentration wastewater. Background At present, an anaerobic microorganism reactor is generally selected as equipment for treating high-concentration wastewater by microorganisms, and the anaerobic microorganism is used for treating the high-concentration wastewater to decompose and convert complex organic matters in the wastewater into substances such as methane, carbon dioxide and the like mainly under the action of the anaerobic microorganism. Anaerobic microorganism reactors are usually reactors such as USAB (upflow anaerobic sludge blanket reactor), IC (internal circulation anaerobic reactor), EGSB (anaerobic granular sludge blanket reactor), CSTR (complete mixing anaerobic reactor) and the like, and the device can fully contact with high-concentration wastewater through cultured anaerobic microorganisms so as to achieve the aim of degrading COD in the high-concentration wastewater. The existing anaerobic microbial reactor has the following defects: (1) The anaerobic microorganism reactor mainly grows acid-producing bacteria and methanogenic bacteria, the bottom of the anaerobic microorganism reactor is provided with accumulated mud, so that local acidification can be caused, the growth of the acid-producing bacteria and methanogenic bacteria is inhibited, and the COD (chemical oxygen demand) efficiency of the anaerobic microorganism reactor for treating high-concentration wastewater can be reduced; (2) The anaerobic microorganism reactor is high in energy consumption, in order to keep the anaerobic microorganism fully contacted with the wastewater, the anaerobic microorganism is prevented from accumulating mud at the bottom of the anaerobic microorganism reactor, a hydraulic circulation system is required to be added outside the anaerobic microorganism reactor, the mixed liquid at the upper part of the anaerobic microorganism reactor is sprayed to the bottom of the anaerobic microorganism reactor through a booster pump, the anaerobic microorganism reactor is prevented from accumulating mud at the bottom of the anaerobic microorganism reactor, the rising flow rate of the mixed liquid of the anaerobic microorganism reactor is kept, the anaerobic microorganism is always in a suspension state in the reactor, and the operation energy consumption of the anaerobic microorganism reactor is high. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide an anaerobic microorganism reactor with an improved structure for treating high-concentration wastewater. In order to achieve the above object, the solution adopted by the present utility model is as follows: The utility model provides an anaerobic microorganism reactor for treating high-concentration wastewater, which comprises a reactor kettle body, wherein a booster fan is arranged outside the reactor kettle body, a first pipeline is arranged at the inlet end of the booster fan, a second pipeline is arranged at the outlet end of the booster fan, the end part of the first pipeline is communicated with the top of the reactor kettle body and the inside of the reactor kettle body, the end part of the second pipeline is communicated with the bottom of the reactor kettle body, so that gas generated in the reactor kettle body is sprayed to the bottom of the reactor kettle body from the top of the reactor kettle body through the booster fan, and a submerged impeller is arranged on the side wall of the reactor kettle body, which is close to the bottom of the reactor kettle body, so as to disperse anaerobic microorganism sludge deposited at the bottom of the reactor kettle body. Preferably, the second conduit extends from one side wall of the bottom of the reactor tank to near the opposite side wall. Preferably, the submerged impeller is fixed on the other side wall of the reactor kettle body, near the end of the second pipeline positioned at the bottom of the reactor kettle body. Preferably, the diving impeller comprises a rotating impeller, a transmission rod and a driving reduction box body, wherein a reduction gear and a driving device are arranged in the driving reduction box body, the rotating impeller is connected with one end of the transmission rod and is positioned in the reactor kettle body, the transmission rod is vertically fixed on the side wall of the reactor kettle body, the driving reduction box body is connected with the other end of the transmission rod and is positioned outside the reactor kettle body, the reduction gear comprises a gear shaft and a gear assembly, the transmission rod is in meshed connection with the gear shaft through the gear assembly of the reduction gear, and the driving device is connected with the gear shaft of the reduction gear an