CN213955299U

CN213955299U - Integral type furnace end that gas-cooker used

Info

Publication number: CN213955299U
Application number: CN202022921303.0U
Authority: CN
Inventors: 闫朝; 王云
Original assignee: Taizhou University
Current assignee: Taizhou University
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-13
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses an integrated furnace end used for a gas stove, which comprises a fire distributor, an inner burner and an outer burner, wherein the inner burner and the outer burner are made of ceramic materials and form an integrated structure; the center of the lower part of the fire divider is provided with a gas interface tube, the gas interface tube is upwards connected with a plurality of outer burner gas distribution tubes and an inner burner gas distribution tube respectively, and each outer burner gas distribution tube is communicated with an outer burner connecting cavity respectively; the center of the upper part of the fire distributor is connected with the inner burner and is communicated with the gas distribution pipe of the inner burner; the outer edge of the upper part of the distributor is connected with the outer burner and is communicated with a cavity inside the outer burner through an outer burner connecting cavity; the side wall of the lower part of the fire distributor is provided with a plurality of air inlets which are communicated with the air injection channel. The utility model discloses there is not many parts cooperation and the clearance leakage problem of split type structure scheme in the integral type structure of furnace end, and fuel and air passage are a complete whole, have stopped the combustion efficiency decline that the fuel leakage brought, make combustion efficiency and feature of environmental protection improve.

Description

Integral type furnace end that gas-cooker used

Technical Field

The utility model relates to a gas-cooker technical field, concretely relates to integral type furnace end that gas-cooker used.

Background

The burner is also called as a combustor, is a core component of a gas stove using liquefied gas, natural gas and the like as fuels, has more types, and can greatly improve the heat efficiency of the gas stove and achieve the purposes of energy conservation and environmental protection.

The furnace end needs to guide and distribute fuel gas to a plurality of nozzles in the furnace end, and inject air and fuel to mix so as to organize combustion, so that the furnace end internally comprises a fuel gas channel, an air channel and a large number of fuel injection pores, and the structure is complex. Moreover, the burner is generally made by casting brass alloy, aluminum alloy, stainless steel, cast iron and the like and by machining methods such as turning, milling, drilling and the like, and ablation and oxidation are possible in use. Limited by these traditional processing methods, in the aspect of the structure, the existing furnace end in the current market has to adopt a split type structure scheme, namely, the furnace end is divided into a plurality of parts to be processed respectively and finally assembled. Moreover, the use of metallic materials limits the heat and oxidation resistance of the parts, which must be avoided by design.

The split type structure scheme that metal material was all adopted to current furnace end structure, the shortcoming is: the material has limited heat resistance and oxidation resistance, increased design difficulty and complex structure; the manufacturing process is multiple and the cost is high; a fit clearance exists between parts, and waste caused by fuel leakage is difficult to avoid; in view of manufacturing difficulties and cost factors, fuel and air flow passage structural complexity and rationality are difficult to improve continuously, limiting the continued improvement of combustion efficiency and low CO and NOx emissions.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that will solve is: the utility model provides an integral type furnace end that gas-cooker used, the furnace end structural design is a complete whole, and one shot forming obtains the final product, has solved metal material heat protection and anti-oxidant problem, has reduced the air quantity, has changed the burning tissue, makes the design greatly simplify, avoids the assembly gap leakage of components of a whole that can function independently structure, and the performance promotes obviously.

The utility model discloses a realize through following technical scheme:

the utility model provides an integral type furnace end that gas-cooker used which characterized in that: comprises a fire distributor positioned at the lower part, an inner burner positioned at the center of the upper part and an outer burner positioned at the outer edge of the upper part; the fire distributor, the inner burner and the outer burner are made of ceramic materials and form an integral structure; the center of the lower part of the fire distributor is provided with a gas interface tube, the gas interface tube is upwards connected with a plurality of outer burner gas distribution tubes and an inner burner gas distribution tube respectively, and each outer burner gas distribution tube is communicated with an outer burner connecting cavity respectively; the center of the upper part of the fire distributor is connected with the circular inner burner and is communicated with the gas distribution pipe of the inner burner; the outer edge of the upper part of the distributor is connected with an annular outer burner and is communicated with a cavity inside the outer burner through an outer burner connecting cavity; a plurality of combustion holes of the inner burner are uniformly formed in the outer edge of the upper part of the inner burner; a plurality of outer burner combustion holes are uniformly formed in the outer edge of the upper part of the outer burner; and the side wall of the lower part of the fire distributor is provided with a plurality of air inlets which are communicated with the combustor gas distribution pipe and an air injection channel outside the outer combustor connecting cavity.

Further, the lowest end of the gas interface pipe at the lower part of the distributor is lower than the end face of the outer edge at the lower part of the distributor. The design is convenient for the gas interface tube to embed and install.

Furthermore, the outer edge of the lower part of the distributor is provided with a support ring which is integrated with the distributor. The support ring is convenient for the outer burner gas distribution pipe to be suspended.

Furthermore, the combustion hole of the inner combustor is arranged obliquely upwards, and the included angle between the central axis of the combustion hole and the horizontal plane is 45-70 degrees.

Furthermore, the combustion holes of the outer burner are arranged obliquely upwards, and the included angle between the central axis of the combustion holes and the horizontal plane is 45-70 degrees.

Because the utility model discloses an integral type furnace end inner structure is comparatively complicated, can select 3D to print the vibration material disk mode in the production manufacturing process and realize, guarantees good technique of structure and realizability. And the introduction of the ceramic material improves the ablation resistance and the oxidation resistance of the structure, reduces the amount of injected air during design, reconstructs a combustion tissue and ensures that the structure is compact.

The utility model has the advantages that: the utility model discloses can combine 3D to print vibration material disk technical characteristics, design the ceramic material furnace end device of an integral type, be a complete whole to furnace end structural design promptly, print one shot forming through 3D and obtain final product, or according to the circumstances to assist a small amount of machining to the part again in the later stage. The advantages include: 1. the ceramic material is selected for manufacturing, so that the ablation resistance and the oxidation resistance of the structure are improved, the quantity of injected air is reduced, the combustion tissue is reconstructed, and the structure is compact; 2. the integrated structure has only one part, so that the process is less, the manufacturing difficulty is low, the quality is easy to guarantee, and the cost is low; 3. the problems of multi-part matching and gap leakage of a split structural scheme do not exist, and the fuel and air channels are a complete whole, so that the reduction of combustion efficiency caused by fuel leakage is avoided; 4. the integral design concept of the furnace end breaks through the structural limitation of the burner caused by the traditional processing mode, the internal flow channel and the combustion organization form of the furnace end are reconstructed, and the combustion efficiency and the environmental protection are improved.

Drawings

Fig. 1 is a three-dimensional structure diagram of the present invention.

Fig. 2 is a sectional view taken along line a-a of the present invention.

Fig. 3 is a C-C sectional view of the present invention.

Fig. 4 is a B-B sectional view of the present invention.

Fig. 5 is a schematic view of the usage state of the present invention.

In the figure, 1, a fire distributor, 2, an inner burner, 3, an outer burner, 4, a stove body, 5, a support, 6, a gas pipeline, 7, a pot, 11, a gas interface pipe, 12, an outer burner gas distribution pipe, 13, an outer burner connecting cavity, 14, an inner burner gas distribution pipe, 15, an air inlet, 16, an air injection channel, 17, a support ring, 21, an inner burner combustion hole, 31 and an outer burner combustion hole.

Detailed Description

The invention will be further described with reference to the following specific examples and the accompanying drawings.

As shown in fig. 1 to 4, an integrated burner for a gas range includes a distributor 1 at a lower portion, an inner burner 2 at a center of an upper portion, and an outer burner 3 at an outer edge of the upper portion; the fire distributor 1, the inner burner 2 and the outer burner 3 are made of ceramic materials and form an integral structure; a gas interface tube 11 is arranged at the center of the lower part of the fire distributor 1, the gas interface tube 11 is upwards connected with 3 outer burner gas distribution tubes 12 and an inner burner gas distribution tube 14 respectively, and each outer burner gas distribution tube 12 is communicated with an outer burner connecting cavity 13 respectively; the center of the upper part of the fire distributor 1 is connected with the circular inner burner 2 and is communicated with the inner burner gas distribution pipe 14; the outer edge of the upper part of the distributor 1 is connected with an annular outer burner 3 and is communicated with a cavity inside the outer burner 3 through an outer burner connecting cavity 13; a plurality of inner burner combustion holes 21 are uniformly formed in the outer edge of the upper part of the inner burner 2; and a plurality of outer burner combustion holes 31 are uniformly formed in the outer edge of the upper part of the outer burner 3. The side wall of the lower part of the fire distributor 1 is provided with a plurality of air inlets 15 which are communicated with the combustor gas distribution pipe 12 and an air injection channel 16 outside the outer combustor connecting cavity 13.

The lowest end of the gas interface tube 11 at the lower part of the fire distributor 1 is lower than the end surface of the outer edge at the lower part of the fire distributor 1. The design is convenient for the embedded installation of the gas interface tube 11.

The outer edge of the lower part of the fire distributor 1 is provided with a support ring 17 which is integrated with the fire distributor 1. The support ring 17 facilitates the suspension of the outer burner gas-distributing pipe 12.

The inner burner combustion hole 21 is obliquely arranged upwards, and the included angle between the central axis of the inner burner combustion hole and the horizontal plane is 45 degrees.

The outer burner combustion hole 31 is arranged obliquely upwards, and the included angle between the central axis of the outer burner combustion hole and the horizontal plane is 45 degrees.

The using state is shown in figure 5, the burner is an integrated structure formed by a distributor 1, an inner burner 2 and an outer burner 3, the burner is arranged in a stove body 4, a support 5 arranged on the stove body 4 supports a pot 7, a gas pipeline 6 is connected with a gas interface tube 11 at the lower part of the distributor 1, the lower part of the gas interface tube 11 is embedded into a mounting hole of the stove body 4, the gas flow direction is shown by a solid arrow in the figure, the gas enters from the gas interface tube 11 at the bottom of the burner, the gas is divided into two paths in the upward flow process to supply an inner combustion zone and an outer combustion zone, the inner path enters the inner burner 2 through an inner burner gas distribution tube 14 and is ejected along the circumferential direction through an inner burner combustion hole 21; the outer path enters the outer burner 3 through the burner gas-distributing pipe 12 and the outer burner connecting cavity 13, and is finally sprayed out through the outer burner combustion holes 31 uniformly distributed along the circumferential direction. The air flow direction is shown as a hollow arrow in the figure, the air forms a path of injection air under the upward suction effect of combustion gas, enters through air inlets 15 uniformly distributed along the circumferential direction, is upwards sprayed out through an air spraying channel 16 to form annular airflow to be mixed with the inner path gas sprayed out from the combustion hole 21 of the inner burner, and an inner ring annular combustion area is formed at the intersection; the outer path gas is sprayed out from the outer burner combustion hole 31 to be mixed with the outside atmosphere, and an outer ring annular combustion area is formed at the intersection. Because the inner path gas flow and the outer path gas flow are different, the staged control of combustion can be realized, namely the heat release intensity of flame can be continuously controlled from small to large by adjusting the gas supply amount of the inner annular combustion area and the outer annular combustion area, thereby the heating degree of the cooker can be accurately adjusted.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the art should be equivalent replacement modes without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides an integral type furnace end that gas-cooker used which characterized in that: comprises a fire distributor positioned at the lower part, an inner burner positioned at the center of the upper part and an outer burner positioned at the outer edge of the upper part; the fire distributor, the inner burner and the outer burner are made of ceramic materials and form an integral structure; the center of the lower part of the fire distributor is provided with a gas interface tube, the gas interface tube is upwards connected with a plurality of outer burner gas distribution tubes and an inner burner gas distribution tube respectively, and each outer burner gas distribution tube is communicated with an outer burner connecting cavity respectively; the center of the upper part of the fire distributor is connected with the circular inner burner and is communicated with the gas distribution pipe of the inner burner; the outer edge of the upper part of the distributor is connected with an annular outer burner and is communicated with a cavity inside the outer burner through an outer burner connecting cavity; a plurality of combustion holes of the inner burner are uniformly formed in the outer edge of the upper part of the inner burner; a plurality of outer burner combustion holes are uniformly formed in the outer edge of the upper part of the outer burner; and the side wall of the lower part of the fire distributor is provided with a plurality of air inlets which are communicated with the combustor gas distribution pipe and an air injection channel outside the outer combustor connecting cavity.

2. The integrated burner for gas cooktops of claim 1, wherein: the lowest end of the gas interface pipe at the lower part of the distributor is lower than the end surface of the outer edge at the lower part of the distributor.

3. The integrated burner for gas cooktops of claim 1, wherein: and a support ring integrated with the distributor is arranged on the outer edge of the lower part of the distributor.

4. The integrated burner for gas cooktops of claim 1, wherein: the combustion hole of the inner combustor is arranged obliquely upwards, and the included angle between the central axis of the inner combustor and the horizontal plane is 45-70 degrees.

5. The integrated burner for gas cooktops of claim 1, wherein: the combustion holes of the outer burner are arranged obliquely upwards, and the included angle between the central axis of the combustion holes and the horizontal plane is 45-70 degrees.