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CN-224230017-U - Combustion nozzle for mixing multiple waste gases

CN224230017UCN 224230017 UCN224230017 UCN 224230017UCN-224230017-U

Abstract

The utility model provides a combustion nozzle for mixing various waste gases, and belongs to the field of industrial waste gas emission. Solves the problem of insufficient combustion caused by uneven mixing of various waste gases. The air gun comprises a nozzle shell, a porous outer tube, a porous inner tube, a fan blade tube, a vacuum generator and a combustion air gun, wherein an air inlet is formed in the side wall of the nozzle shell, the porous outer tube and the porous inner tube are arranged in the nozzle shell, the porous outer tube is arranged on the outer side of the porous inner tube, the tops of the porous outer tube and the porous inner tube are connected with a shell cover plate, an ejection opening is formed in the bottom of the nozzle shell, the nozzle shell is connected with a furnace end through the ejection opening, a negative pressure chamber and an exhaust gas mixing chamber are sequentially arranged in the furnace end along the air flowing direction, an air gun interface is formed in the outer side of the furnace end, the fan blade tube is arranged on the outer side of the porous inner tube, and a plurality of inclined partition plates are arranged in the fan blade tube at equal intervals along the circumferential direction. It is mainly used for fully mixing various waste gases.

Inventors

  • YAN JIALIN
  • SHANG LI
  • ZHANG XINRAN
  • ZHANG ZESONG
  • DOU CHUANYU
  • ZHANG WENXIANG
  • YAN XUECHENG
  • YE YUNFEI

Assignees

  • 哈尔滨博奥环境技术有限公司

Dates

Publication Date
20260512
Application Date
20250519

Claims (10)

  1. 1. A combustion nozzle for mixing a plurality of waste gases is characterized by comprising a nozzle shell (1), a porous outer tube (4), a porous inner tube (5), a fan blade tube (8), a vacuum generator (13) and a combustion air gun (14); the side wall of the nozzle shell (1) is provided with an air inlet (2); The top of the nozzle shell (1) is provided with a shell cover plate (10), a porous outer tube (4) and a porous inner tube (5) are arranged in the nozzle shell (1), the porous outer tube (4) is arranged on the outer side of the porous inner tube (5), and the tops of the porous outer tube (4) and the porous inner tube (5) are connected with the shell cover plate (10); The bottom of the nozzle shell (1) is provided with an ejection port (3); The nozzle shell (1) is connected with the furnace end (15) through the ejection port (3), and a negative pressure chamber (23) and an exhaust gas mixing chamber (16) are sequentially arranged in the furnace end (15) along the gas flowing direction; The negative pressure chamber (23) comprises a cylindrical cavity and a reducing cavity, the diameter of the cylindrical cavity is equal to that of the ejection port (3), the top of the cylindrical cavity is communicated with the ejection port (3), the bottom of the cylindrical cavity is communicated with the waste gas mixing chamber (16) through the reducing cavity, and the diameter of the reducing cavity is gradually enlarged from the cylindrical cavity to the waste gas mixing chamber (16); The vacuum generator (13) and the combustion air gun (14) penetrate through the shell cover plate (10) and extend into the cylindrical cavity of the negative pressure chamber (23) through the inside of the porous inner tube (5); an air gun interface (17) is arranged outside the furnace end (15); The bottom of the porous inner tube (5) and the ejection outlet (3) are positioned on the same horizontal line, a fan blade tube (8) is arranged on the outer side of the porous inner tube (5), and a plurality of inclined partition plates are arranged in the fan blade tube (8) at equal intervals along the circumferential direction.
  2. 2. A combustion nozzle for mixing a plurality of exhaust gases according to claim 1, characterized in that a nozzle cover plate (11) is arranged on the housing cover plate (10), a plurality of nozzle openings are arranged on the nozzle cover plate (11), and the vacuum generator (13) and the combustion air gun (14) extend into the negative pressure chamber (23) through the corresponding nozzle openings.
  3. 3. The combustion nozzle for mixing a plurality of waste gases according to claim 1, wherein an inner pipe baffle plate (6) is further arranged on the outer side of the porous inner pipe (5), the fan blade pipe (8) is arranged on the outer side of the inner pipe baffle plate (6), an inner pipe baffle plate adjusting rod (7) is arranged on the inner pipe baffle plate (6), and the top of the inner pipe baffle plate adjusting rod (7) is in threaded connection with a shell cover plate (10).
  4. 4. A combustion nozzle for mixing a plurality of waste gases according to claim 3, wherein a fan blade pipe adjusting rod (9) is arranged on the fan blade pipe (8), the top of the fan blade pipe adjusting rod (9) is in threaded connection with a shell cover plate (10), and adjusting rod protection covers (12) are respectively arranged at the tops of the inner pipe baffle plate adjusting rod (7) and the fan blade pipe adjusting rod (9).
  5. 5. A combustion nozzle for mixing exhaust gases according to claim 1, characterized in that the number of combustion air guns (14) is four, and that the four combustion air guns (14) are connected to a fuel gas cartridge (19) by connecting pipes (18).
  6. 6. A combustion nozzle for mixing a plurality of exhaust gases according to claim 1, wherein a plurality of air gun interfaces (17) are provided, and a plurality of air gun interfaces (17) are arranged obliquely downward.
  7. 7. A combustion nozzle for mixing a plurality of exhaust gases according to claim 1, wherein the side wall of the burner (15) is provided with a waste acid gun (21), the waste acid gun (21) is communicated with the inside of the burner (15), and the waste acid gun (21) is arranged obliquely downwards.
  8. 8. A combustion nozzle for mixing a plurality of exhaust gases according to claim 1, wherein a flame detector (20) is provided on the burner (15), the flame detector (20) being in communication with the interior of the burner (15).
  9. 9. A combustion nozzle for mixing a plurality of exhaust gases according to claim 1, wherein a condensation valve and a sampling hand valve are provided at the bottom of the exhaust gas mixing chamber (16).
  10. 10. A combustion nozzle for mixing a plurality of exhaust gases according to claim 1, wherein a pilot burner (22) is provided on the burner (15), the pilot burner (22) being in communication with the interior of the burner (15).

Description

Combustion nozzle for mixing multiple waste gases Technical Field The utility model belongs to the technical field of industrial waste gas emission, and particularly relates to a combustion nozzle for mixing various waste gases. Background Industrial waste gas mainly comes from fuel, chemical reaction, volatilization of chemical substances and biological process, has complex components and contains harmful substances such as sulfur dioxide, nitrogen oxides, volatile organic compounds and the like which are harmful to the environment and human health, and if the waste gas is directly discharged, serious pollution is caused to atmosphere, water body and soil, thereby destroying ecological balance and even threatening the human health. Traditional exhaust treatment equipment can not make waste gas carry out the homogeneous mixing because of multiple waste gas pressure, temperature difference, leads to waste gas burning insufficient, and the waste gas that burns insufficient production then can produce secondary pollutant, and low pressure waste gas is difficult to by stable the conveying to combustion system because of lacking effective bleed air technique, causes the treatment blind area to, high temperature burning need rely on excessive fuel gas, and not only the energy consumption is high, still can increase nitrogen oxide production, thereby aggravate environmental pollution, the combustion nozzle among the prior art adopts single channel structure more, can't realize waste gas multistage mixing and pressure regulation, is difficult to satisfy the purification demand of complicated industrial scene. Disclosure of utility model In view of the above, the present utility model aims to propose a combustion nozzle for mixing a plurality of exhaust gases, so as to solve the problem of insufficient combustion caused by uneven mixing of the plurality of exhaust gases. In order to achieve the aim, the utility model adopts the following technical scheme that the combustion nozzle for mixing various waste gases comprises a nozzle shell, a porous outer pipe, a porous inner pipe, a fan blade pipe, a vacuum generator and a combustion air gun; the side wall of the nozzle shell is provided with an air inlet; the top of the nozzle shell is provided with a shell cover plate, a porous outer pipe and a porous inner pipe are arranged in the nozzle shell, the porous outer pipe is arranged on the outer side of the porous inner pipe, and the tops of the porous outer pipe and the porous inner pipe are connected with the shell cover plate; The bottom of the nozzle shell is provided with a spray outlet; The nozzle shell is connected with the furnace end through a jet orifice, and a negative pressure chamber and an exhaust gas mixing chamber are sequentially arranged in the furnace end along the gas flowing direction; The negative pressure chamber comprises a cylindrical cavity and a reducing cavity, the diameter of the cylindrical cavity is equal to that of the ejection port, the top of the cylindrical cavity is communicated with the ejection port, the bottom of the cylindrical cavity is communicated with the waste gas mixing chamber through the reducing cavity, and the diameter of the reducing cavity is gradually enlarged from the cylindrical cavity to the waste gas mixing chamber; An air gun interface is arranged outside the furnace end; The bottom of the porous inner tube and the ejection port are positioned on the same horizontal line, a fan blade tube is arranged on the outer side of the porous inner tube, and a plurality of inclined partition plates are arranged in the fan blade tube at equal intervals along the circumferential direction; The vacuum generator and the combustion air gun penetrate through the cover plate of the shell and extend into the cylindrical cavity of the negative pressure chamber through the inner part of the porous inner tube. Furthermore, a pipe opening cover plate is arranged on the shell cover plate, a plurality of pipe openings are arranged on the pipe opening cover plate, and the vacuum generator and the combustion air gun extend into the negative pressure chamber through the corresponding pipe openings. Furthermore, the outside of the porous inner tube is also provided with an inner tube baffle plate, the fan blade tube is arranged on the outside of the inner tube baffle plate, the inner tube baffle plate is provided with an inner tube baffle plate adjusting rod, and the top of the inner tube baffle plate adjusting rod is in threaded connection with the cover plate of the shell. Furthermore, a fan blade pipe adjusting rod is arranged on the fan blade pipe, the top of the fan blade pipe adjusting rod is in threaded connection with the cover plate of the shell, and an adjusting rod protecting cover is respectively arranged at the tops of the inner pipe baffle orifice adjusting rod and the fan blade pipe adjusting rod. Further, the number of the combustion air guns is four, and the four combustion a