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CN-224226692-U - One-to-one dosing device for sewage treatment

CN224226692UCN 224226692 UCN224226692 UCN 224226692UCN-224226692-U

Abstract

The application relates to the technical field of dosing devices, and discloses a one-to-one dosing device for sewage treatment. This a device that adds medicine one to one for sewage treatment, the steady voltage module that admits air and the module of adding medicine mutually support through setting up, can make the inside liquid medicine of pressure medicine jar according to the stable medicine of input flow to the point of dosing through the mode of admitting air pressurization, the input of external intake pipe is connected with outside air supply, can carry the prefabricated trachea with outside air supply like this, carry out the work of right amount pressure boost to the inside liquid medicine of pressure medicine jar through prefabricated trachea, the pressure monitor can real-time supervision pressure inside the pressure medicine jar, and show pressure data through the manometer, the level gauge can detect the liquid level of the inside liquid medicine of pressure medicine jar, then open special valve of No. five and add the medicine valve can be with the liquid medicine through prefabricated medicine pipe and the stable transport of external medicine pipe to the point of dosing.

Inventors

  • PAN XINGHAI
  • BAO ZHIWEI
  • Xie Qiushou
  • ZHANG JINQIAO
  • MAI JIANBO
  • Mai Xiaohao

Assignees

  • 新大禹环境科技(广东)集团股份有限公司

Dates

Publication Date
20260512
Application Date
20250519

Claims (8)

  1. 1. A one-to-one dosing device for sewage treatment comprises a stainless steel shell (1), an air inlet pressure stabilizing module (2), an air inlet module (3), a dosing module (4) and an overflow emptying mechanism (5), and is characterized in that the air inlet pressure stabilizing module (2) comprises two pressure drug tanks (201) fixedly connected inside the stainless steel shell (1), a pressure monitor (202) is mounted at the top of each pressure drug tank (201), a liquid level meter (204) is mounted at the top of each pressure drug tank (201), a detection element of the liquid level meter (204) is positioned inside the pressure drug tanks (201), a prefabricated air pipe (205) is communicated between the two pressure drug tanks (201), an air inlet valve (206) and a special valve (207) are mounted at two sides of the prefabricated air pipe (205), an external air inlet pipe (208) is communicated with the input end of the prefabricated air pipe (205), the external surface of the external air inlet pipe (208) is fixedly connected in the inner wall of the stainless steel shell (1), a special valve (208) is mounted on the external air inlet pipe (208), a proportional valve (6) is mounted on the external air inlet pipe (208), a touch screen (6) is mounted on the front surface of the stainless steel shell (1), and electric elements inside the air inlet pressure stabilizing module (2), the medicine feeding module (3), the medicine feeding module (4) and the overflow emptying mechanism (5) are electrically connected with the automatic control box (6).
  2. 2. A one-to-one dosing device for sewage treatment according to claim 1, wherein the top end of each pressure medicine tank (201) is communicated with a pressure relief pipe (211), and a third special valve (212) and a pressure relief valve (203) are arranged on a pipe section of each pressure relief pipe (211).
  3. 3. A one-to-one dosing device for sewage treatment according to claim 1, wherein the dosing module (3) comprises a prefabricated dosing tube (301) and an external dosing tube (302), the external dosing tube (302) is communicated with the input end of the prefabricated dosing tube (301), two ends of the prefabricated dosing tube (301) are respectively arranged in two pressure dosing tanks (201), dosing valves (303) and four special valves (304) are respectively arranged on two sides of the prefabricated dosing tube (301), and the outer surface of the external dosing tube (302) is fixedly connected in the inner wall of the stainless steel shell (1).
  4. 4. A one-to-one dosing device for sewage treatment according to claim 1, wherein the dosing module (4) comprises a prefabricated dosing tube (401) and an external dosing tube (402), one end of the external dosing tube (402) is communicated with an output port of the prefabricated dosing tube (401), a valve (403) special for five numbers and a dosing valve (404) are arranged on two sides of the prefabricated dosing tube (401), and the outer surface of the external dosing tube (402) is fixedly connected in the inner wall of the stainless steel shell (1).
  5. 5. A one-to-one dosing device for sewage treatment according to claim 1, wherein said overflow drain mechanism (5) comprises overflow pipes (501) communicating at the top of two pressure tanks (201), and each of said overflow pipes (501) is internally provided with a six-dedicated valve (502) and an overflow valve (503).
  6. 6. A one-to-one dosing device for sewage treatment according to claim 5, wherein the bottom of each pressure medicine tank (201) is communicated with an emptying pipe (504), the bottom ends of two overflow pipes (501) are respectively communicated with the interiors of the two emptying pipes (504), a seventh special valve (505) is arranged on the pipe section of each emptying pipe (504), and the outer surfaces of the two emptying pipes (504) are respectively fixedly connected in the inner walls at two sides of the stainless steel shell (1).
  7. 7. A one-to-one dosing device for sewage treatment according to claim 1, wherein the four corners of the bottom surface of the stainless steel shell (1) are fixedly connected with support posts (8), and the bottom surface of each support post (8) is provided with an anti-slip pad or a fixing plate.
  8. 8. A one-to-one dosing device for sewage treatment according to claim 1, wherein the top of the stainless steel shell (1) is provided with a detachable cover plate (9), the top of each cover plate (9) is provided with a groove, and the back of the stainless steel shell (1) is provided with a double-opening door body (10).

Description

One-to-one dosing device for sewage treatment Technical Field The application relates to the technical field of dosing devices, in particular to a one-to-one dosing device for sewage treatment. Background Centralized treatment of sewage by sewage treatment plants is a main form of sewage treatment in China currently, and is divided into municipal sewage treatment plants, industrial enterprise sewage treatment plants and industrial park sewage treatment plants. The treatment method is a physicochemical method and a biological treatment method, and is no matter domestic sewage or industrial wastewater. Aiming at different types of wastewater, the physicochemical method needs to add different kinds of medicaments for acid-base neutralization, oxidation reduction or coagulating sedimentation, and the biological treatment method needs to add a carbon source or supplement alkalinity according to water quality to ensure the stable operation of a biochemical system. At present, an electromagnetic flowmeter or a rotameter is generally adopted to control dosing of a medicament in cooperation with a dosing pump in sewage treatment, after the flowmeter is operated for a period of time, the flowmeter can cause the problem of precision reduction and inaccurate dosing if abrasion and scaling and the like occur, and in order to solve the problem, the dosing mode is optimized, so that a one-to-one dosing device for sewage treatment is provided. Disclosure of utility model Aiming at the defects of the prior art, the application provides a one-to-one dosing device for sewage treatment, which adopts a pressure mode to realize stable and quantifiable dosing flow, reduces operation maintenance work, reduces operation energy consumption and saves cost. The one-to-one dosing device for sewage treatment comprises a stainless steel shell, an air inlet pressure stabilizing module, a dosing module and an overflow emptying mechanism, wherein the air inlet pressure stabilizing module comprises two pressure dosing tanks fixedly connected inside the stainless steel shell, a pressure monitor is arranged at the top of each pressure dosing tank, a liquid level meter is arranged at the top of each pressure dosing tank, a detection element of the liquid level meter is positioned inside the pressure dosing tank, a prefabricated air pipe is communicated between the two pressure dosing tanks, an air inlet valve and a special valve are arranged at two sides of the prefabricated air pipe, an external air inlet pipe is communicated with the input end of the prefabricated air pipe, the outer surface of the external air inlet pipe is fixedly connected to the inner wall of the stainless steel shell, an electric proportional valve and a special valve for the second number are arranged on the pipe section of the external air inlet pipe, a self-control box is arranged inside the stainless steel shell, a touch screen electrically connected with the self-control box is arranged on the front surface of the stainless steel shell, and the dosing module, the air inlet valve and the air inlet pressure stabilizing module are connected with the electric pressure stabilizing module. Through the scheme, the pressure stabilizing module that admits air that sets up and dosing module mutually support, can make the inside liquid medicine of pressure medicine jar according to the stable dosing of input flow to the point of dosing through the pressurized mode of admitting air, the input of external intake pipe is connected with outside air supply, can carry the prefabricated trachea with outside air supply like this in, carry out the work of right amount pressure boost to the inside liquid medicine of pressure medicine jar through prefabricated trachea, pressure monitor can real-time supervision pressure inside the pressure medicine jar, and show pressure data through the manometer, the level gauge then can detect the liquid level of the inside liquid medicine of pressure medicine jar. Further, the top of every pressure medicine jar all communicates there is the relief pipe, every install No. three special valve and relief valve on the pipeline section of relief pipe. Through above-mentioned scheme, when pressure medicine jar internal pressure is too big, can carry out the work of pressure release to pressure medicine jar through the pressure release pipe that sets up, no. three special valve and relief valve. Further, advance the medicine module and advance the medicine pipe including prefabricating, external medicine pipe intercommunication is advanced the input of medicine pipe in prefabricating, prefabricating the both ends of advancing the medicine pipe and installing respectively in the inside of two pressure medicine jars, prefabricating the both sides of advancing the medicine pipe and all installing medicine valve and No. four special valves, external surface fixed connection who advances the medicine pipe is in the inner wall of stainless steel shell. Through th