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CN-224226805-U - Air stirring device

CN224226805UCN 224226805 UCN224226805 UCN 224226805UCN-224226805-U

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an air stirring device which solves the problems of over-standard dissolved oxygen and unsatisfactory stirring effect in the prior art, and comprises a biochemical tank and an aeration assembly, wherein the aeration assembly comprises an aeration main pipe and an aeration branch pipe, the aeration main pipe extends out of the biochemical tank and is connected with a fan, one end of the aeration branch pipe is communicated with the aeration main pipe, the other end of the aeration branch pipe is provided with an aeration port, and the outlet direction of the aeration port is horizontally and obliquely arranged relative to the side wall of the biochemical tank; a mechanical stirring component is arranged in the biochemical tank. The utility model has the beneficial effects that when the fan is used for introducing air into the biochemical tank through the aeration branch pipe, the air drives the liquid in the biochemical tank to flow along the horizontal direction, so that circulation is formed, the aeration component has a better stirring function, and meanwhile, the mechanical stirring component is arranged in the biochemical tank, so that the disturbance capacity to sludge at the bottom of the biochemical tank is enhanced, and the stirring effect is improved.

Inventors

  • ZHOU WEI
  • WANG MENGQI
  • LI JINLIANG
  • ZHANG LAN
  • JIN ZHIFEI
  • GAO HAILI

Assignees

  • 鹤壁中昊新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (10)

  1. 1. The air stirring device comprises a biochemical tank (2) and an aeration assembly, and is characterized in that the aeration assembly comprises an aeration main pipe (4) and an aeration branch pipe (41), the aeration main pipe (4) extends out of the biochemical tank (2) and is connected with a fan (7), one end of the aeration branch pipe (41) is communicated with the aeration main pipe (4), an aeration port is arranged at the other end of the aeration branch pipe (41), the outlet direction of the aeration port is horizontally and obliquely arranged relative to the side wall of the biochemical tank (2), and a mechanical stirring assembly is arranged in the biochemical tank (2).
  2. 2. An air stirring device as claimed in claim 1, characterized in that the aeration main pipe (4) is provided with a main pipe regulating valve (6).
  3. 3. An air stirring device as claimed in claim 1, characterized in that the aeration branch pipe (41) is provided with a branch pipe regulating valve (8).
  4. 4. An air stirring device according to any one of claims 1-3, characterized in that at least one aeration branch pipe (41) is provided on each side of the aeration main pipe (4).
  5. 5. An air stirring device as set forth in claim 4, wherein the inclination directions of the aeration branch pipes (41) on both sides of the aeration main pipe (4) are the same.
  6. 6. An air stirring device as set forth in claim 4, wherein the inclination directions of the aeration branch pipes (41) on both sides of the aeration main pipe (4) are opposite.
  7. 7. An air stirring device as set forth in any one of claims 1, 5, and 6, characterized in that the angle between the aeration branch pipe (41) and the aeration main pipe (4) is 10 ° to 80 °.
  8. 8. An air stirring device as set forth in claim 7, characterized in that the aeration branch pipe (41) has a Z-shaped structure, and the lower part of the Z-shaped structure extends into the bottom of the biochemical tank (2).
  9. 9. An air stirring device as claimed in claim 1 or 8, characterized in that the mechanical stirring assembly is a submersible stirrer (5), the submersible stirrer (5) being arranged at a corner position of the biochemical tank (2).
  10. 10. The air stirring device according to claim 9, wherein a detection probe (3) is arranged in the biochemical tank (2), a dissolved oxygen detector (1) is arranged outside the biochemical tank (2), and the detection probe (3) is connected with the dissolved oxygen detector (1).

Description

Air stirring device Technical Field The utility model relates to the technical field of sewage treatment, in particular to an air stirring device. Background At present, in domestic integrated treatment equipment, a sewage treatment biochemical part is mainly divided into an anaerobic tank, an anoxic tank and an aerobic tank, so that the water quality is more uniform, the sedimentation of biochemical sludge at the bottom of the tank is prevented, the treatment effect is influenced, and various tank bodies are required to be stirred. In the normal operation of the anoxic tank of the biochemical tank, the anoxic tank is long in length and is internally provided with elastic filler, and the stirrer in the anoxic tank cannot sufficiently stir, so that sludge is accumulated, the sludge is aged and disintegrated due to long-time accumulation, sewage treatment data is abnormally fluctuated, and sewage emission reaching standards is affected. When sewage treatment is carried out, water in the anoxic tank is stirred by adopting a gas stirring device, and the stirring of the water is realized by ventilating the water under water through a gas stirring pipeline, and the working principle is that the pressure of liquid at the bottom of the tank is larger than that of the liquid at the upper part of the tank body, when the tank is ventilated, gas moves upwards from the bottom of the tank, bubbles are continuously increased or broken in the upward movement process of the gas, and water flow is driven to flow, so that sewage in the tank is stirred. The patent with the publication number of CN218089109U discloses an aeration and stirring integrated device, which comprises a biochemical tank, an aeration mechanism, a stirring mechanism and a fan, wherein the biochemical tank is used for containing sewage, the aeration mechanism is used for aerating the sewage in the biochemical tank and comprises an aeration pipeline and an aeration head, the aeration head is arranged on the aeration pipeline and is positioned in the biochemical tank, the stirring mechanism is used for stirring the sewage in the biochemical tank and comprises a stirring gas pipeline, a flow guide pipe and a gas-compressing disc, the flow guide pipe and the gas-compressing disc are positioned in the biochemical tank, the top of the flow guide pipe is communicated with the stirring gas pipeline, the bottom of the flow guide pipe is communicated with the gas-compressing disc, and the fan is used for supplying air to the aeration mechanism and the stirring mechanism and is communicated with the air outlet end of the fan. The device adopts the gas stirring mechanism to stir, and air is filled into the biochemical tank, so that although the energy consumption can be saved and the cost is reduced, the dissolved oxygen in the anoxic tank is extremely easy to exceed the standard, and moreover, as the bubbles vertically rise, only a stirring area is formed in the vertical direction, the stirring direction is single, a stirring dead zone is easy to generate, the mixing between the sludge and water is insufficient, and the treatment effect is not ideal when sewage treatment is carried out. Disclosure of utility model The utility model provides an air stirring device, which solves the problems of over-standard dissolved oxygen and unsatisfactory stirring effect in the prior art. The technical scheme of the utility model is realized as follows: The air stirring device comprises a biochemical tank and an aeration assembly, wherein the aeration assembly comprises an aeration main pipe and an aeration branch pipe, the aeration main pipe extends out of the biochemical tank and is connected with a fan, one end of the aeration branch pipe is communicated with the aeration main pipe, an aeration port is arranged at the other end of the aeration branch pipe, the outlet direction of the aeration port is horizontally and obliquely arranged relative to the side wall of the biochemical tank, and a mechanical stirring assembly is arranged in the biochemical tank. When the fan is used for introducing air into the biochemical tank through the horizontally-inclined aeration branch pipes, the air drives liquid in the biochemical tank to flow along the horizontal direction, and then a circulation flow is formed, so that the aeration component has a good stirring function, and meanwhile, the mechanical stirring component is arranged in the biochemical tank, so that the disturbance capacity to sludge at the bottom of the biochemical tank is enhanced, and the stirring effect is improved. And the aeration main pipe is provided with a main pipe regulating valve. The main pipe regulating valve is a proportional regulating valve, and the proportional regulating valve can control the gas flow passing through the aeration main pipe, so that the content of dissolved oxygen in the biochemical pond is regulated. And the aeration branch pipe is provided with a branch pipe regulating valve. The branch