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CN-224215332-U - Gas furnace end with sufficient combustion

CN224215332UCN 224215332 UCN224215332 UCN 224215332UCN-224215332-U

Abstract

The utility model relates to the technical field of gas stoves, and provides a fully-combusted gas stove which comprises a stove base, a gas mixing component, a deformed spiral flame component and a catalytic combustion component, wherein a gas supply chamber is arranged in the stove base, one end of the gas supply chamber is provided with a gas inlet, an air reforming auxiliary chamber is arranged on the inner wall of one side of the front end of the gas inlet, the gas mixing component is arranged in the gas supply chamber and is used for carrying out graded mixing on gas and air entering the gas supply chamber, the gas mixing component comprises a primary mixing chamber, a middle-stage spiral flow chamber and a final pressure stabilizing chamber, spiral guide sheets are arranged in the primary mixing chamber, the middle-stage spiral flow chamber and the final pressure stabilizing chamber, the deformed spiral flame component is arranged above the gas supply chamber and is used for forming adjustable flames, and the catalytic combustion component is arranged above the deformed spiral flame component and is used for carrying out secondary catalytic combustion on residual gas. The utility model provides a novel gas furnace end structure with full combustion, and has the advantages of high practicability and good combustion effect.

Inventors

  • LI XIAOCHUN

Assignees

  • 广东益合威金属制品有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (10)

  1. 1. The fully-combusted gas furnace end comprises a furnace end base and is characterized by further comprising a gas mixing component, a deformed flame rotating component and a catalytic combustion component, wherein a gas supply chamber is arranged in the furnace end base, one end of the gas supply chamber is provided with a gas inlet, and an air reforming auxiliary cavity is formed in the inner wall of one side of the front end of the gas inlet; The gas mixing component is arranged in the gas supply chamber and used for carrying out graded mixing on the gas and the air entering the gas supply chamber, and comprises a primary mixing cavity, a middle-stage cyclone cavity and a final-stage pressure stabilizing cavity, wherein spiral guide vanes are arranged in the primary mixing cavity, the middle-stage cyclone cavity and the final-stage pressure stabilizing cavity; The deformation flame rotating member is arranged above the air supply chamber and is used for forming adjustable flame; The catalytic combustion component is arranged above the deformed flame rotating component and is used for carrying out secondary catalytic combustion on residual gas.
  2. 2. The fully combusted gas burner of claim 1, wherein the deformed swirl member includes an annular orifice table, orifices disposed on the annular orifice table, and arcuate shrapnel covering the orifices, the annular orifice table being snapped over the plenum; The arc-shaped elastic sheet is made of a temperature-sensitive deformation alloy material and dynamically changes shape according to working temperature.
  3. 3. The fully combusted gas burner according to claim 1 or 2, wherein the spiral guide vane is in the shape of a spiral blade and is fixed on the side walls of the primary mixing chamber, the middle stage swirl chamber and the final stage pressure stabilizing chamber, and the angle of the spiral guide vane is gradually increased.
  4. 4. A fully combusted gas burner according to claim 3 wherein said air reforming auxiliary chamber comprises a gas separator and a set of high temperature metal heat exchanger plates, one set of said high temperature metal heat exchanger plates being connected to the central chamber of the burner and conducting heat and removing moisture through said gas separator.
  5. 5. The fully combusted gas burner of claim 2, wherein the temperature sensitive deformation alloy of the arc spring is a shape memory alloy NiTi material.
  6. 6. The fully combusted gas burner of claim 1 or 5, wherein the catalytic combustion means comprises a ceramic catalytic combustion layer and a heat shield, the ceramic catalytic combustion layer being mounted to an outer surface of the heat shield, the heat shield being fixedly mounted to the burner base and having a plurality of honeycomb contact holes for enhancing contact area with flame gas flow.
  7. 7. The fully combusted gas burner of claim 6, wherein the coating of the ceramic catalytic combustion layer is a platinum or rhodium containing composite precious metal coating.
  8. 8. The fully combusted gas burner of claim 1, wherein the front end of the burner base remote from the gas inlet is symmetrically provided with a first connecting rib and a second connecting rib, the first connecting rib and the second rib are provided with a first contact end face and a second contact end face, and the first contact end face of the first connecting rib and the second contact end face of the second connecting rib are mutually flush.
  9. 9. The fully combusted gas burner of claim 2, wherein two adjacent arcuate spring plates are comprised of different types of temperature sensitive wrought alloys.
  10. 10. The fully combusted gas burner of claim 9, wherein the arcuate spring is formed by combining two layers of sheet metal, the upper layer is a memory alloy, the lower layer is a resilient steel, and one end of the memory alloy of the upper layer is connected to one end of the resilient steel of the lower layer by a rivet.

Description

Gas furnace end with sufficient combustion Technical Field The utility model relates to the technical field of gas cookers, in particular to a gas burner capable of fully burning. Background Most of the existing gas jambs adopt a single-stage or double-stage gas supply combustion structure, and have the problems of uneven flame distribution, partial overheating, insufficient gas combustion, low energy efficiency, more CO production and the like. Particularly, in the environment of large-fire cooking or wind disturbance, the incomplete combustion is more serious, and the use safety and the energy utilization are affected. The prior art of CN222527640U discloses a fully combusted gas burner, which can ensure the oxygen content of the combustion area, but neglects the partial over-concentrated or over-diluted area, resulting in incomplete combustion and reduced thermal efficiency. In addition, the following drawbacks exist in the prior art: 1. In strong wind, low temperature, high humidity and other environments, common furnace heads are easy to blow out by wind or temper, and the cooking stability and safety are affected. 2. Because the combustion form is single, traditional furnace end is difficult to realize the matching to different cookers and firepower demands, and flame parcel nature is poor, and heat energy transfer is insufficient, has the energy waste problem in the medium and big fire stage especially. 3. The conventional furnace end design is not provided with a tail gas treatment module, and the emission of pollutants such as CO, unburned hydrocarbon, NOx and the like is large after combustion, so that the indoor air quality is influenced, and even the risk of poisoning exists. 4. Most of the traditional furnace heads still adopt a straight-through air introduction structure, and no air conditioning link is arranged, so that stable and efficient combustion state cannot be maintained under the complex climate condition. The utility model is designed for solving the problems of insufficient mixing of fuel gas and air, unstable flame, easy flameout or tempering, low energy efficiency, uneven heat distribution, serious tail gas emission pollution, non-adjustable aperture of the air outlet hole of the burner in the combustion process and the like in the prior art. Disclosure of utility model The utility model aims to provide a gas furnace end capable of fully burning aiming at the defects existing at present. In order to overcome the defects in the prior art, the utility model adopts the following technical scheme: the fully-combusted gas furnace end comprises a furnace end base, and further comprises a gas mixing component, a deformed flame rotating component and a catalytic combustion component, wherein a gas supply chamber is arranged in the furnace end base, one end of the gas supply chamber is provided with a gas inlet, and an air reforming auxiliary cavity is formed in the inner wall of one side of the front end of the gas inlet; The gas mixing component is arranged in the gas supply chamber and used for carrying out graded mixing on the gas and the air entering the gas supply chamber, and comprises a primary mixing cavity, a middle-stage cyclone cavity and a final-stage pressure stabilizing cavity, wherein spiral guide vanes are arranged in the primary mixing cavity, the middle-stage cyclone cavity and the final-stage pressure stabilizing cavity; The deformation flame rotating member is arranged above the air supply chamber and is used for forming adjustable flame; The catalytic combustion component is arranged above the deformed flame rotating component and is used for carrying out secondary catalytic combustion on residual gas. Optionally, the deformed flame rotating member comprises an annular spray orifice table, spray orifices arranged on the annular spray orifice table and arc-shaped elastic sheets covering the spray orifices, and the annular spray orifice table is buckled on the air supply chamber; The arc-shaped elastic sheet is made of a temperature-sensitive deformation alloy material and dynamically changes shape according to working temperature. Optionally, the spiral guide vane is in a spiral fan blade shape and is fixed on the side walls of the primary mixing cavity, the middle-stage cyclone cavity and the final-stage pressure stabilizing cavity, and the angles of the spiral guide vane are gradually increased. Optionally, the air reforming auxiliary cavity comprises a gas separator and a group of high-temperature metal heat exchange plates, wherein one group of high-temperature metal heat exchange plates are connected with the central cavity of the furnace end and conduct heat, and the water is discharged through the gas separator. Optionally, the temperature-sensitive deformation alloy of the arc-shaped elastic sheet is made of a shape memory alloy NiTi material. Optionally, the catalytic combustion component includes ceramic catalytic combustion layer and heat exchanger, ceramic