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CN-224201711-U - Multilayer strong fire panel beating furnace end combustor

CN224201711UCN 224201711 UCN224201711 UCN 224201711UCN-224201711-U

Abstract

The utility model discloses a multi-layer strong fire sheet metal burner which comprises a fixed seat, an outer ring burner assembly and an inner ring burner assembly, wherein the outer ring burner assembly and the inner ring burner assembly are detachably arranged on the fixed seat, the outer ring burner assembly and the inner ring burner assembly comprise a burner upper shell, a burner lower shell and a partition plate, the burner upper shell and the burner lower shell are spliced up and down to form a burner main body, the burner main body comprises a mixing cavity and an injection pipe which are mutually connected, the inner ring burner assembly is positioned below the outer ring burner assembly, and the inner diameter of the mixing cavity of the inner ring burner assembly is smaller than that of the outer ring burner assembly. The utility model forms a stepped gas supply system, which can increase the flame coverage area and optimize the gradient combustion, innovatively adopts a combined structure of the inverted cone-shaped flame discharging wall and the partition plate, and the spiral flame discharging mode of the spiral flame discharging groove can enlarge the flame coverage area, reduce the local high-temperature concentration phenomenon, realize the uniform distribution of the temperature of the combustion area and avoid uneven heating of the cooker.

Inventors

  • WANG HUAQING
  • ZHOU GUIFENG
  • WANG LU
  • WANG XINGXING

Assignees

  • 广东科特有色金属制造有限公司

Dates

Publication Date
20260505
Application Date
20250526

Claims (10)

  1. 1. The multi-layer strong fire sheet metal burner is characterized by comprising a fixed seat (10), an outer ring burner assembly (20) and an inner ring burner assembly (30), wherein the outer ring burner assembly (20) and the inner ring burner assembly (30) are detachably arranged on the fixed seat (10); The outer ring furnace end assembly (20) and the inner ring furnace end assembly (30) comprise a furnace upper shell (40), a furnace lower shell (50) and a partition plate (60), wherein the furnace upper shell (40) and the furnace lower shell (50) are spliced up and down to form a furnace end main body, the furnace end main body comprises a mixing cavity (70) and an injection pipe (80) which are connected with each other, the mixing cavity (70) is arranged in an annular cavity, the furnace upper shell (40) is provided with a circular inverted conical fire outlet upper wall (41), the furnace lower shell (50) is provided with a circular inverted conical fire outlet lower wall (51), the fire outlet lower wall (51) is arranged below the fire outlet upper wall (41) at intervals, the fire outlet upper wall (41) is provided with a plurality of upper fire outlet grooves (42) which are spiral, the fire outlet lower wall (51) is provided with a plurality of lower fire outlet grooves (52) which are spiral, the partition plate (60) is arranged between the fire outlet upper wall (41) and the fire outlet lower wall (51), and the fire outlet grooves (52) are communicated with the fire outlet grooves (70); the inner ring furnace end assembly (30) is positioned below the outer ring furnace end assembly (20), and the inner diameter of the air mixing cavity (70) of the inner ring furnace end assembly (30) is smaller than the inner diameter of the air mixing cavity (70) of the outer ring furnace end assembly (20).
  2. 2. The multi-layer strong fire sheet metal burner of claim 1, wherein the outer ring burner assembly (20) is provided with an outer ring positioning hole (21), the fixing seat (10) is provided with an outer ring positioning column (11) for connecting the outer ring positioning hole (21), the inner ring burner assembly (30) is provided with an inner ring positioning hole (31), and the fixing seat (10) is provided with an inner ring positioning column (12) for connecting the inner ring positioning hole (31).
  3. 3. The multi-layer strong fire sheet metal burner of claim 2, wherein the fixing base (10) is provided with a plurality of clamping arms (13), a first clamping table (131) is arranged above the clamping arms (13), and the outer edge of the outer ring burner assembly (20) can be arranged on the first clamping table (131).
  4. 4. The burner of claim 3, wherein a second clamping table (132) is arranged in the middle of the clamping arm (13), and the outer edge of the inner ring burner assembly (30) can be arranged on the second clamping table (132).
  5. 5. The multi-layer strong fire sheet metal burner of claim 2, wherein the fixing base (10) is provided with a supporting arm (14) for mounting an ignition needle and a thermocouple.
  6. 6. The multi-layer strong fire sheet metal burner of claim 1, wherein the injection pipe (80) of the inner ring burner assembly (30) is connected to the air mixing cavity (70) along the diameter direction, the injection pipe (80) of the outer ring burner assembly (20) is arranged on the side surface of the air mixing cavity (70) and is connected to the annular air mixing cavity (70) along the tangential direction, and the injection pipe (80) of the inner ring burner assembly (30) and the injection pipe (80) of the outer ring burner assembly (20) are arranged in a flush manner.
  7. 7. The multi-layer strong fire sheet metal burner of claim 1, wherein the lower furnace shell (50) further comprises an inner annular wall (53), the lower fire discharging wall (51) is arranged above the inner annular wall (53), a lower edge clamping part (61) is arranged on the outer edge of the partition plate (60), and the lower edge clamping part (61) can be clamped on the wall surface of the inner annular wall (53).
  8. 8. The burner of claim 7, wherein the inner edge of the partition plate (60) is provided with an inner clamping part (62), and the inner clamping part (62) can be clamped at the inner edge of the lower fire wall (51).
  9. 9. The multi-layer strong fire sheet metal burner of claim 1, wherein the separation plate (60) is further provided with a fire dividing groove (63) with a U-shaped section, the fire dividing groove (63) is arranged close to the air outlet end of the injection pipe (80), and the fire dividing groove (63) is provided with a plurality of fire dividing holes (64) which are arranged at intervals.
  10. 10. The multi-layer strong fire sheet metal burner of claim 1, wherein the upper fire outlet slots (42) and the lower fire outlet slots (52) are staggered.

Description

Multilayer strong fire panel beating furnace end combustor Technical Field The utility model relates to the technical field of kitchen accessories, in particular to a multi-layer strong fire sheet metal burner. Background The traditional gas burner is mainly made of cast iron, aluminum alloy or copper and other materials, but the materials have the remarkable defects that the cast iron is easy to corrode and oxidize, pores or cracks are easy to generate after long-term use, so that gas leakage risk is caused, the aluminum alloy material has a low melting point, is easy to deform in a high-temperature environment, influences combustion stability, and the copper material has excellent heat conduction performance, but has high cost and limited oxidation resistance, so that a surface oxide layer is easy to peel off under long-term high-temperature working conditions, and the service life is shortened. In addition, the burner made of the traditional material has the common problems of insufficient surface finish, low gas mixing efficiency and the like, is easy to cause insufficient combustion and has potential safety hazard. In recent years, stainless steel materials have become a preferred material for burner manufacture due to their high melting point, high temperature oxidation resistance, high surface finish, and high corrosion resistance. For example, chinese patent CN202122777870.8 discloses a stainless steel sheet metal split burner structure, which forms an injection pipe and an annular gas mixing cavity by combining an upper sheet metal part and a lower sheet metal part, although the manufacturing cost is reduced, the structure is limited, the gas supply path is single and only depends on a direct flame hole for flame supply. A step of The design has the obvious defects that firstly, the flame concentration of the direct-injection flame holes is high, the heat distribution of a combustion area is uneven, local overheating is easy to cause, secondly, the lack of a rotary flame combustion structure leads to insufficient mixing of fuel gas and air, the combustion efficiency is low, and the design is generally formed by a plate furnace end and lacks the flame supply effect of multi-layer combustion. Therefore, further improvements are needed. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a multi-layer strong fire sheet metal burner. The technical scheme adopted by the embodiment of the utility model for solving the technical problems is that the multi-layer strong fire sheet metal burner comprises a fixed seat, an outer ring burner assembly and an inner ring burner assembly, wherein the outer ring burner assembly and the inner ring burner assembly are detachably arranged on the fixed seat; The outer ring furnace end assembly and the inner ring furnace end assembly comprise a furnace upper shell, a furnace lower shell and a partition plate, wherein the furnace upper shell and the furnace lower shell are spliced up and down to form a furnace end main body, the furnace end main body comprises a mixing cavity and an injection pipe which are mutually connected, the mixing cavity is arranged in an annular cavity, the furnace upper shell is provided with a circular inverted conical fire outlet upper wall, the furnace lower shell is provided with a circular inverted conical fire outlet lower wall, the fire outlet lower wall is arranged below the fire outlet upper wall at intervals, the fire outlet upper wall is provided with a plurality of spiral upper fire outlet grooves, the fire outlet lower wall is provided with a plurality of spiral lower fire outlet grooves, and the partition plate is arranged between the fire outlet upper wall and the fire outlet lower wall and is communicated with the mixing cavity; The inner ring furnace end assembly is positioned below the outer ring furnace end assembly, and the inner diameter of the air mixing cavity of the inner ring furnace end assembly is smaller than the inner diameter of the air mixing cavity of the outer ring furnace end assembly. Optionally, the outer ring furnace end assembly is provided with an outer ring positioning hole, the fixing seat is provided with an outer ring positioning column for connecting the outer ring positioning hole, the inner ring furnace end assembly is provided with an inner ring positioning hole, and the fixing seat is provided with an inner ring positioning column for connecting the inner ring positioning hole. Optionally, the fixing seat is provided with a plurality of clamping arms, a first clamping table is arranged above the clamping arms, and the outer edge of the outer ring furnace end assembly can be arranged on the first clamping table. Optionally, a second clamping table is arranged in the middle of the clamping arm, and the outer edge of the inner ring furnace end assembly can be arranged on the second cl