CN219454020U

CN219454020U - Novel furnace end

Info

Publication number: CN219454020U
Application number: CN202320817422.2U
Authority: CN
Inventors: 冯成威; 江烨; 罗文念; 张彬兴; 石明忠; 甘水梅
Original assignee: Guangzhou City Dong Ba Energy Technology Co ltd
Current assignee: Guangzhou City Dong Ba Energy Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-01
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a novel furnace end, which comprises a furnace end shell, an ignition needle and a fire source air supply pipe, wherein an open combustion cavity is arranged at the top of the furnace end shell, and a fire source cover and a main gas distributor are arranged at the lower part of the inner cavity of the furnace end shell; the output ends of the ignition needle and the fire seed gas supply pipe are positioned in the inner cavity of the fire seed cover; the input end of the main gas distributor is connected with a main gas supply pipe; the main gas uniform distributor is provided with a main gas uniform distribution cavity; the burner also comprises an air outlet cylinder with an air outlet on the side wall, and the inner cavity of the burner cover, the main gas uniform distribution cavity, the air outlet cylinder and the combustion cavity are communicated in sequence. The novel furnace end provided by the utility model has the advantages that the fire is stable and is not easy to extinguish, and the ignition needle is not easy to wet during use and cleaning of the furnace end by water.

Description

Novel furnace end

Technical Field

The utility model relates to the field of commercial stoves, in particular to a novel stove head.

Background

The stove mainly comprises a stove head and a hearth, the stove head on the market is mostly a blast type stove head, and the combustion mode is still continued to be the simplest forced blast diffusion combustion mode. In the burner of a commercial stove, the ignition needle is used to ignite the fire gas, which in turn ignites the mixture of main gas and air.

For example, 202220766174.9 discloses a detachable burner, and a fire bin is located at one side of the fire gathering cover. However, because the gas mixture of gas and air blows upwards in closing the fire lid and forms malleation, the atmospheric pressure in the kind of fire storehouse is malleation also this moment, and when cooking, the pressure cooker burns when carrying the pot sometimes, and the malleation constantly changes, appears the kind of fire unstable easily, has the hidden danger of extinguishing. In addition, after a period of time is used in commercial stove, personnel generally wash the furnace end with high-pressure water, and the fire type storehouse position in above-mentioned furnace end is on, and the water is easy directly to get into in the fire type storehouse and moisten the ignition needle, leads to the problem that the ignition failed appears when the re-ignition.

Disclosure of Invention

The utility model aims to provide a novel furnace end, which has stable flame and is not easy to extinguish, and an ignition needle is not easy to wet when the furnace end is used or cleaned by water.

In order to achieve the aim, the utility model provides a novel furnace end, which comprises a furnace end shell, an ignition needle and a fire seed air supply pipe, wherein an open combustion cavity is arranged at the top of the furnace end shell, and a fire seed cover and a main gas uniformly-distributing device are arranged at the lower part of the inner cavity of the furnace end shell; the output ends of the ignition needle and the fire seed gas supply pipe are positioned in the inner cavity of the fire seed cover; the input end of the main gas distributor is connected with a main gas supply pipe; the main gas uniform distributor is provided with a main gas uniform distribution cavity; the burner also comprises an air outlet cylinder with an air outlet on the side wall, and the inner cavity of the burner cover, the main gas uniform distribution cavity, the air outlet cylinder and the combustion cavity are communicated in sequence.

As a further improvement of the utility model, the main gas uniform distribution cavity, the air outlet cylinder and the combustion cavity are sequentially communicated from bottom to top; the air outlet cylinder is vertically arranged.

As a further improvement of the utility model, the inner cavity of the fire seed cover is positioned below the air outlet cylinder and at one side of the main gas uniform distribution cavity, and is communicated with one side of the main gas uniform distribution cavity through the through hole.

As a further improvement of the utility model, an air channel is formed between the outer side wall of the air outlet cylinder and the inner side wall of the burner shell; the lower part of the wall body of the furnace end shell is provided with an air inlet communicated with an air duct, and the air duct is communicated with an air outlet.

As a further improvement of the utility model, the horizontal cross section size of the inner cavity of the air outlet cylinder is gradually increased from bottom to top, and the outlet of the air outlet is obliquely upwards arranged.

As a further improvement of the utility model, the air outlets are arranged in a plurality and around the air outlet cylinder.

As a further improvement of the utility model, the main gas uniform distributor comprises an air inlet cavity positioned below the main gas uniform distribution cavity, and the output end of the main gas supply pipe is communicated with the air inlet cavity; the top of the air inlet cavity is provided with a gas inner cover positioned in the middle of the main gas uniform distribution cavity, the gas inner cover is provided with an inner cover cavity and at least two air distribution holes, and each air distribution hole is distributed around the center of the inner cover cavity; the air inlet cavity, the inner cover cavity, the air distribution holes and the main fuel gas uniform distribution cavity are sequentially communicated.

As a further improvement of the utility model, the burner housing comprises a lower housing and an upper housing which are mutually buckled, and the combustion chamber, the air outlet cylinder and the upper housing are of an integrated structure; the fire cover and the main gas distributor are of an integrated structure.

Advantageous effects

Compared with the prior art, the novel furnace end has the advantages that:

1. because the fire cover is positioned below the combustion chamber, main fuel gas and air are blown upwards, negative pressure is formed in the inner cavity of the fire cover, the ignited fire is not easy to extinguish, and the working stability of the furnace end is ensured. In addition, when personnel use high-pressure water to wash the furnace end outside, the water droplet that splashes is difficult to contact the ignition needle that is located in the fire seed cover of furnace end depths, has reduced the probability that the furnace end washs the back point and does not catch fire, is favorable to the furnace end to restart fast. The design sets up the flame in burning chamber bottom, and here flame upwards spouts fires, is the negative pressure district, and does not receive the pressure cooker burning and change the negative pressure, so the flame is stable. The fire is placed on the side surface of the bottom to prevent water and slag from falling, and the bottom can keep negative pressure under the siphon effect no matter the pressure cooker or the open combustion, and the combustion state is not influenced by external environment, so the fire is stable. By providing a fire at the bottom, the main fire can be ignited at the bottom without knocking when the main gas is turned on.

2. The main gas uniform distribution cavity, the air outlet cylinder and the combustion cavity are sequentially communicated from bottom to top, so that resistance to rising gas is reduced.

3. The inner chamber of the fire seed cover is positioned below the air outlet cylinder and on one side of the main gas uniform distribution cavity, even if water drops fall into the main gas uniform distribution cavity when the burner is cleaned, the water drops can not directly enter the inner chamber of the fire seed cover, and when the burner works again, the water drops can be evaporated at high temperature, so that the ignition needle is prevented from being wetted.

4. The horizontal cross section size of the inner cavity of the air outlet cylinder is gradually increased from bottom to top, and the outlet of the air outlet is obliquely upwards arranged, so that the air is favorably blown out obliquely upwards in the air outlet cylinder, and the flow speed of the ascending air flow is improved. In addition, when the burner is cleaned, water drops falling on the side wall of the air outlet cylinder are easily discharged out of the air cylinder from the air outlet, so that the water drop amount entering the main gas uniform distribution cavity is reduced.

5. The gas inner cover of the main gas uniform distributor can enable main gas to enter the main gas uniform distribution cavity from multiple directions through multiple gas distribution holes, so that the main gas is more uniformly mixed with air when rising, and the combustion is more sufficient.

6. The furnace end shell comprises a lower shell and an upper shell which are buckled with each other, the combustion chamber, the air outlet cylinder and the upper shell are of an integrated structure, and the flame cover and the main gas uniformly distributor are of an integrated structure, so that the furnace end shell can be detached by hand and is convenient to maintain.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a novel burner;

FIG. 2 is a cross-sectional view of the novel burner;

FIG. 3 is a perspective view of a flame cover and a primary gas distributor;

FIG. 4 is a front view of the flame cover and the primary gas distributor;

fig. 5 is A-A view of fig. 4.

Detailed Description

Embodiments of the present utility model will now be described with reference to the accompanying drawings.

Examples

The specific embodiment of the utility model is shown in fig. 1 to 5, and the novel furnace end comprises a furnace end shell 1, an ignition needle 15 and a fire source air supply pipe 10, wherein an open combustion cavity 2 is arranged at the top of the furnace end shell 1, and a fire source cover 3 and a main gas distributor 6 are arranged at the lower part of the inner cavity of the furnace end shell 1. The output ends of both the ignition needle 15 and the flame supply tube 10 are located in the flame cover lumen 31 of the flame cover 3. The input end of the main gas distributor 6 is connected with a main gas supply pipe 5. The main gas uniform distributor 6 is provided with a main gas uniform distribution cavity 62. The novel furnace end further comprises an air outlet cylinder 4 with an air outlet 41 arranged on the side wall, and the inner cavity 31 of the fire cover, the main gas uniformly-distributed cavity 62, the air outlet cylinder 4 and the combustion cavity 2 are sequentially communicated.

In this embodiment, the main gas uniform distribution chamber 62, the air outlet tube 4 and the combustion chamber 2 are sequentially communicated from bottom to top. The air outlet cylinder 4 is vertically arranged.

The inner cavity of the fire seed cover 3 is positioned below the air outlet cylinder 4 and at one side of the main gas uniform distribution cavity 62, and the inner cavity of the fire seed cover 3 is communicated with one side of the main gas uniform distribution cavity 62 through the through hole 9.

An air duct 14 is formed between the outer side wall of the air outlet duct 4 and the inner side wall of the burner housing 1. The lower part of the wall body of the furnace end shell 1 is provided with an air inlet 13 communicated with an air duct 14, and the air duct 14 is communicated with an air outlet 41. In this embodiment, the air inlet 13 is located at the bottom of the burner housing 1.

The horizontal cross section size of the inner cavity of the air outlet cylinder 4 is gradually increased from bottom to top, and the outlet of the air outlet 41 is obliquely upwards arranged.

The air outlets 41 are plural and are arranged around the air outlet duct 4. The plurality of air outlets 41 are arranged at different heights.

The main gas uniform distributor 6 further comprises an air inlet cavity 61 positioned below the main gas uniform distribution cavity 62, and the output end of the main gas supply pipe 5 is communicated with the air inlet cavity 61. The top of the air inlet cavity 61 is provided with a gas inner cover 7 positioned in the middle of the main gas uniform distribution cavity 62, the gas inner cover 7 is provided with an inner cover cavity 72 and at least two air distribution holes 71, and each air distribution hole 71 is distributed around the center of the inner cover cavity 72. The air inlet cavity 61, the inner cover cavity 72, the air distribution holes 71 and the main gas uniform distribution cavity 62 are communicated in sequence. In this embodiment, 10 air distribution holes 71 are radially distributed as shown in fig. 5. The number of the air distribution holes 71 is set according to actual needs.

The burner housing 1 comprises a lower housing 11 and an upper housing 12 which are mutually buckled, and the combustion chamber 2, the air outlet cylinder 4 and the upper housing 12 are of an integrated structure. The fire cover 3 and the main gas distributor 6 are of an integrated structure.

When the novel burner works, fire fuel gas enters the fire cover 3 through the fire gas supply pipe 10 and is ignited by the ignition needle 15 to form fire. Then main fuel gas sequentially enters the air outlet cylinder 4 through the main fuel gas supply pipe 5 and the main fuel gas uniform distributor 6, air sequentially enters the air outlet cylinder 4 through the air inlet 13, the air channel 14 and the air outlet 41, air is mixed with the main fuel gas, and the air-fuel mixture is ignited by a flame and forms a flame to heat a pot body and the like placed at the top of the combustion cavity 2.

Because the fire seed cover 3 is positioned below the combustion chamber 2, main fuel gas and air are blown upwards, negative pressure can be formed in the inner cavity 31 of the fire seed cover, the ignited fire seed is not easy to extinguish, and the working stability of the furnace end is ensured. In addition, when personnel use high-pressure water to wash the outside of furnace end, the water droplet that splashes is difficult to contact the ignition needle 15 that is located in the fire seed cover 3 of furnace end depths, has reduced the probability that the furnace end washs the back point and does not catch fire, is favorable to the furnace end to restart fast.

The utility model has been described in connection with the preferred embodiments, but the utility model is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. The novel furnace end comprises a furnace end shell (1), an ignition needle (15) and a fire source air supply pipe (10), and is characterized in that an open combustion cavity (2) is arranged at the top of the furnace end shell (1), and a fire source cover (3) and a main gas uniformly-distributing device (6) are arranged at the lower part of the inner cavity of the furnace end shell (1); the output ends of the ignition needle (15) and the fire seed gas supply pipe (10) are positioned in the inner cavity of the fire seed cover (3); the input end of the main gas distributor (6) is connected with a main gas supply pipe (5); a main gas uniform distribution cavity (62) is arranged on the main gas uniform distribution device (6); the fire ignition device also comprises an air outlet cylinder (4) with an air outlet (41) on the side wall, and the inner cavity of the fire cover (3), the main fuel gas uniformly-distributed cavity (62), the air outlet cylinder (4) and the combustion cavity (2) are communicated in sequence.

2. The novel furnace end according to claim 1, wherein the main gas uniform distribution cavity (62), the air outlet cylinder (4) and the combustion cavity (2) are sequentially communicated from bottom to top; the air outlet cylinder (4) is vertically arranged.

3. The novel burner according to claim 1, wherein the inner cavity of the fire seed cover (3) is located below the air outlet cylinder (4) and located at one side of the main gas uniform distribution cavity (62), and the inner cavity of the fire seed cover (3) is communicated with one side of the main gas uniform distribution cavity (62) through the through hole (9).

4. The novel burner according to claim 1 or 2, wherein an air duct (14) is formed between the outer side wall of the air outlet duct (4) and the inner side wall of the burner housing (1); an air inlet (13) communicated with an air duct (14) is arranged at the lower part of the wall body of the furnace end shell (1), and the air duct (14) is communicated with an air outlet (41).

5. A novel burner as claimed in claim 2, wherein the horizontal cross-sectional dimension of the inner cavity of the air outlet duct (4) is gradually increased from bottom to top, and the outlet of the air outlet (41) is arranged obliquely upwards.

6. A novel burner according to claim 1, 2 or 5, characterized in that the air outlet (41) is arranged in plurality and around the air outlet duct (4).

7. A novel burner as claimed in claim 1, wherein the main gas distribution device (6) comprises an air inlet cavity (61) positioned below the main gas distribution cavity (62), and the output end of the main gas supply pipe (5) is communicated with the air inlet cavity (61); the top of the air inlet cavity (61) is provided with a gas inner cover (7) positioned in the middle of the main gas uniform distribution cavity (62), the gas inner cover (7) is provided with an inner cover cavity (72) and at least two air distribution holes (71), and each air distribution hole (71) is distributed around the center of the inner cover cavity (72); the air inlet cavity (61), the inner cover cavity (72), the air distribution holes (71) and the main fuel gas uniform distribution cavity (62) are sequentially communicated.

8. The novel burner according to claim 1, wherein the burner housing (1) comprises a lower shell (11) and an upper shell (12) which are buckled with each other, and the combustion chamber (2), the air outlet cylinder (4) and the upper shell (12) are of an integrated structure; the fire seed cover (3) and the main gas uniform distributor (6) are of an integrated structure.