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CN-224215327-U - Oxyhydrogen flame mixing fire head

CN224215327UCN 224215327 UCN224215327 UCN 224215327UCN-224215327-U

Abstract

The utility model relates to the technical field of welding tools, in particular to an oxyhydrogen flame mixing fire head which comprises an oxygen input pipe, an oxygen output pipe, a hydrogen input pipe and a hydrogen output pipe, wherein the oxygen input pipe is communicated with the oxygen output pipe, the hydrogen input pipe is communicated with the hydrogen output pipe, the hydrogen output pipe is sleeved outside a part where an output port of the oxygen output pipe is located, a first preset distance is arranged between a pipeline opening of the hydrogen output pipe and a pipeline opening of the oxygen output pipe, the length of the oxygen output pipe is smaller than that of the hydrogen output pipe, and hydrogen and oxygen are mixed in a preset area at the pipeline opening of the hydrogen output pipe and the pipeline opening of the oxygen output pipe. Through cup jointing the hydrogen output tube in the outside of oxygen output tube, and be provided with first default distance between the pipeline mouth of hydrogen output tube and the pipeline mouth of oxygen output tube, make hydrogen and oxygen intensive mixing in predetermineeing the region before igniting, mixing environment is more stable, effectively avoids hydrogen and oxygen to mix the in-process by surrounding environment's influence.

Inventors

  • YE LIN
  • HUANG FUBO
  • YANG YUXIANG
  • GU PING
  • CHEN HUI
  • MA JINJING

Assignees

  • 武汉光迅科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250415

Claims (10)

  1. 1. The oxyhydrogen flame mixing burner is characterized by comprising an oxygen input pipe (1), an oxygen output pipe (2), a hydrogen input pipe (3) and a hydrogen output pipe (4), wherein the oxygen input pipe (1) is communicated with the oxygen output pipe (2), and the hydrogen input pipe (3) is communicated with the hydrogen output pipe (4); The hydrogen output pipe (4) is sleeved outside the part where the output port of the oxygen output pipe (2) is located, a first preset distance is arranged between the pipeline port of the hydrogen output pipe (4) and the pipeline port of the oxygen output pipe (2), the length of the oxygen output pipe (2) is smaller than that of the hydrogen output pipe (4), the first preset distance is a preset area, and hydrogen and oxygen are mixed in the preset area at the pipeline port of the hydrogen output pipe (4) and the oxygen output pipe (2).
  2. 2. The oxyhydrogen flame mixing burner according to claim 1, characterized in that a first annular protrusion (5) is arranged at the joint of the oxygen input pipe (1) and the oxygen output pipe (2), and the first annular protrusion (5) is used for ensuring the stability of the joint of the oxygen input pipe (1) and the oxygen output pipe (2); The hydrogen input pipe (3) with hydrogen output pipe (4) junction is provided with second annular protruding (6), second annular protruding (6) are used for guaranteeing hydrogen input pipe (3) with the stability of hydrogen output pipe (4) junction.
  3. 3. The oxyhydrogen flame mixing burner according to claim 2, characterized in that the oxygen output tube (2) comprises a large diameter section (20) and a small diameter section (21), the large diameter section (20) is located between the first annular protrusion (5) and the second annular protrusion (6), the small diameter section (21) is located between the second annular protrusion (6) and the output port of the oxygen output tube (2), and the hydrogen output tube (4) is sleeved at the small diameter section (21).
  4. 4. A oxyhydrogen flame mixing fire head according to any one of claims 1 to 3, characterized in that the first preset distance is 2mm±0.2mm.
  5. 5. A oxyhydrogen flame mixing burner according to any one of claims 1 to 3, characterized in that the oxygen input tube (1) has an outer diameter of 6mm ± 0.2mm and an inner diameter of 3mm ± 0.2mm.
  6. 6. A oxyhydrogen flame mixing burner according to any one of claims 1 to 3, characterized in that the inner diameter of the oxygen output pipe (2) is 2.2mm±0.2mm.
  7. 7. A oxyhydrogen flame mixing burner according to any one of claims 1 to 3, characterized in that the hydrogen gas input tube (3) has an outer diameter of 6mm ± 0.2mm and an inner diameter of 3mm ± 0.2mm.
  8. 8. A oxyhydrogen flame mixing burner according to any one of claims 1 to 3, characterized in that the hydrogen output pipe (4) has an outer diameter of 6.2mm ± 0.2mm and an inner diameter of 4.8mm ± 0.2mm.
  9. 9. A oxyhydrogen flame mixing burner according to any one of claims 1 to 3, characterized in that the length of the oxygen input pipe (1) and the hydrogen input pipe (3) is 46mm ± 0.2mm.
  10. 10. A oxyhydrogen flame mixing burner according to any one of claims 1 to 3, characterized in that the roughness of the oxygen inlet pipe (1), the oxygen outlet pipe (2), the hydrogen inlet pipe (3) and the hydrogen outlet pipe (4) is 3.2um ± 0.1um.

Description

Oxyhydrogen flame mixing fire head Technical Field The utility model relates to the technical field of welding tools, in particular to an oxyhydrogen flame mixing fire head. Background Oxyhydrogen flame fire head is a key component related to oxyhydrogen flame, and is commonly used in oxyhydrogen flame equipment, such as oxyhydrogen welding machines, oxyhydrogen sealing machines and the like, oxyhydrogen flame tapering machines, oxyhydrogen flame beam expanding machines and the like, so as to generate oxyhydrogen flame with high temperature. Oxyhydrogen flame fire heads can be classified into various types according to the material and design thereof, such as ceramic fire heads, honeycomb fire heads, glass separation fire heads, and the like. The fire heads of different types are characterized and are suitable for different application scenes. Oxyhydrogen flame is one of the core components of oxyhydrogen flame equipment, and is responsible for mixing and burning hydrogen and oxygen generated by electrolysis of water to form high-temperature oxyhydrogen flame. Different types of oxyhydrogen flame heads can generate oxyhydrogen flame of different forms and temperatures so as to meet different processing requirements, for example, a more concentrated flame and a higher temperature flame head may be required in the fine processing occasion. The high-quality oxyhydrogen flame head can ensure the stability and controllability of oxyhydrogen flame, thereby improving the processing efficiency and the product quality. In the prior art, the oxyhydrogen flame head mostly uses a hydrogen conveying pipeline and an oxygen conveying pipeline which are independently arranged, the hydrogen conveying pipeline is arranged above, the oxygen conveying pipeline is arranged below, and hydrogen and oxygen are mixed in air, and because the hydrogen and the oxygen are mixed in an open space, the oxyhydrogen ratio with good parameters can be easily influenced by air flow in the open space and surrounding air components, so that the tapering effect is influenced. In view of this, overcoming the drawbacks of the prior art is a problem to be solved in the art. Disclosure of utility model The utility model aims to solve the technical problems that the existing oxyhydrogen flame head uses a hydrogen conveying pipeline and an oxygen conveying pipeline which are independently arranged, and the mixing of hydrogen and oxygen in the air is easily influenced by the air flow in an open space and the surrounding air components, so that the tapering effect is influenced. The utility model adopts the following technical scheme: On one hand, the utility model provides an oxyhydrogen flame mixing fire head which comprises an oxygen input pipe 1, an oxygen output pipe 2, a hydrogen input pipe 3 and a hydrogen output pipe 4, wherein the oxygen input pipe 1 is communicated with the oxygen output pipe 2, and the hydrogen input pipe 3 is communicated with the hydrogen output pipe 4; The hydrogen output pipe 4 is sleeved outside the part where the output port of the oxygen output pipe 2 is located, a first preset distance is arranged between the pipeline port of the hydrogen output pipe 4 and the pipeline port of the oxygen output pipe 2, the length of the oxygen output pipe 2 is smaller than that of the hydrogen output pipe 4, the area where the first preset distance is located is a preset area, and hydrogen and oxygen are mixed in the preset area at the pipeline port of the hydrogen output pipe 4 and the oxygen output pipe 2. Preferably, a first annular protrusion 5 is arranged at the connection position of the oxygen input pipe 1 and the oxygen output pipe 2, and the first annular protrusion 5 is used for ensuring the stability of the connection position of the oxygen input pipe 1 and the oxygen output pipe 2; The connection part of the hydrogen input pipe 3 and the hydrogen output pipe 4 is provided with a second annular bulge 6, and the second annular bulge 6 is used for ensuring the stability of the connection part of the hydrogen input pipe 3 and the hydrogen output pipe 4. Preferably, the oxygen output pipe 2 comprises a large diameter section 20 and a small diameter section 21, the large diameter section 20 is positioned between the first annular protrusion 5 and the second annular protrusion 6, the small diameter section 21 is positioned between the second annular protrusion 6 and the output port of the oxygen output pipe 2, and the hydrogen output pipe 4 is sleeved at the small diameter section 21. Preferably, the first preset distance is 2mm±0.2mm. Preferably, the oxygen input pipe 1 has an outer diameter of 6mm + -0.2 mm and an inner diameter of 3mm + -0.2 mm. Preferably, the inner diameter of the oxygen outlet pipe 2 is 2.2mm plus or minus 0.2mm. Preferably, the hydrogen gas input pipe 3 has an outer diameter of 6 mm.+ -. 0.2mm and an inner diameter of 3 mm.+ -. 0.2mm. Preferably, the hydrogen output pipe 4 has an outer diameter of 6.2 mm.+