CN217209363U

CN217209363U - Multilayer combustor

Info

Publication number: CN217209363U
Application number: CN202220588619.9U
Authority: CN
Inventors: 邓延鸿
Original assignee: Zhuhai Geleen Energy Technology Co ltd
Current assignee: Zhuhai Geleen Energy Technology Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-16
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to a multilayer burner, the burner is arranged in the flue, and comprises an annular cover, an outer layer cavity wall, a middle layer cavity wall and an inner layer cavity wall, wherein the outer layer cavity wall, the middle layer cavity wall and the inner layer cavity wall are connected on the annular cover; the inner layer cavity wall is internally provided with a combustion cavity, the combustion cavity corresponds to the middle position of the annular cover, a premixed gas channel is formed between the middle layer cavity wall and the inner layer cavity wall, the inner layer cavity wall is provided with a communicating groove, the communicating groove is communicated with the premixed gas channel and the combustion cavity, and a wind cooling cavity is formed between the middle layer cavity wall and the outer layer cavity wall. The utility model provides a combustor is provided with multilayer structure, can protect the combustor, effectively avoids the combustor to take place the accident of blasting.

Description

Multilayer combustor

Technical Field

The utility model relates to a gas equipment field, especially a multilayer combustor.

Background

The integrated frying stove generally comprises a burner and a flue, and under the structure that the flue wraps the burner, in the use process of the integrated frying stove, high-temperature flue gas sucked by the flue surrounds the burner, so that the burner can be damaged, even premixed gas which does not enter a combustion cavity can be ignited, and the risk of explosion of the burner is caused.

Disclosure of Invention

The utility model aims to solve the technical problem and provide a multilayer combustor, the combustor of this application is provided with multilayer structure, can protect the combustor, effectively avoids the combustor to take place the accident of blasting.

In order to achieve the above purpose, the technical scheme of the utility model has:

a multilayer combustor is arranged in a flue and comprises an annular cover, an outer layer cavity wall, a middle layer cavity wall and an inner layer cavity wall, wherein the outer layer cavity wall, the middle layer cavity wall and the inner layer cavity wall are connected to the annular cover; the inner layer cavity wall is internally provided with a combustion cavity, the combustion cavity corresponds to the middle position of the annular cover, a premixed gas channel is formed between the middle layer cavity wall and the inner layer cavity wall, the inner layer cavity wall is provided with a communicating groove, the communicating groove is communicated with the premixed gas channel and the combustion cavity, and a wind cooling cavity is formed between the middle layer cavity wall and the outer layer cavity wall.

According to the utility model provides a multilayer combustor, the inlayer chamber wall surrounds and forms the combustion chamber, the gas that mixes in advance burns in the combustion chamber, the inlayer chamber wall can play the effect of mixing gas water conservancy diversion in advance and preventing the tempering, the middle level chamber wall sets up in the inlayer chamber wall outside, the middle level chamber wall surrounds the passageway that is formed with the gas that mixes in advance with inlayer chamber wall and annular lid, provide the gas that mixes in advance for the combustion chamber, the outer chamber wall sets up in the middle level parietal outside, outer chamber wall surrounds with middle level chamber wall and annular lid and is formed with wind cold chamber, separate the flue outside gas channel and the combustor in advance through the wind cold chamber, in operation, high temperature flue gas in the flue can not directly surround the middle level chamber wall, can avoid the high temperature flue gas in the flue to ignite the gas that mixes in the gas channel in advance and produce the accident of deflagration.

The gas pipeline penetrates through the wall of the outer layer cavity and the wall of the middle layer cavity and is communicated with the premixed gas channel. The premixed gas pipeline is used for providing premixed gas into the premixed gas channel.

Still further, the premix gas pipeline is L-shaped, one end of the premix gas pipeline is communicated with the premix gas channel, and the other end of the premix gas pipeline is provided with a first air inlet and a gas inlet. The utility model provides a pipeline that mixes gas pipeline in advance selects the L type lies in increasing gas and combustion-supporting gas's stroke for gas and combustion-supporting gas can be in mixing gas pipeline in advance fully.

Still further, still include the gas inlet pipeline, the gas inlet pipeline stretches into in the premix gas passageway from the gas entry, the terminal of gas inlet pipeline is equipped with air outlet gap, the orientation of air outlet gap is contrary with the orientation of first air intake. When the air blowing equipment blows air to the first air inlet, negative pressure can be formed at the air outlet gap, and the situation that gas cannot enter the premixed gas pipeline from the air outlet gap or the air inflow is too small when the gas supply pressure is too low is avoided.

Still further, still include the ever-burning open fire device, the ever-burning open fire device is installed on the inlayer chamber wall, and hold in the combustion chamber, be equipped with ever-burning open fire air feed mouth on the premix gas pipeline, pass this premix gas pipeline through the connecting tube and communicate the ever-burning open fire device.

Still further, the air cooling chamber includes second air intake and air outlet, the air outlet intercommunication mix the gas pipeline in advance. The second air inlet and the first air inlet can adopt the same air-blowing device, low-temperature combustion-supporting gas is blown into the air-cooling cavity, the temperature of the premixed gas channel is reduced, and finally the premixed gas channel converges into the premixed gas pipeline from the air outlet.

Still further, the top surface of the annular cover is an inclined surface, and the inclined surface is arranged from the position of the inner ring of the annular cover to the inner ring of the annular cover in an inclined and downward mode. The inclined plane can be used for guiding water when water is poured into the annular cover, so that the water flows outwards to avoid the water flowing into the combustion chamber.

Still further, a chamfer structure is arranged at the joint between the inner side surface and the bottom surface of the annular cover. The chamfer structure can play the effect of water conservancy diversion and stable burning intracavity fire type.

Still further, still include the bracket, the combustor is installed on the bracket.

Still further, between the bracket and the burner is the flue. The bracket is used for installing the combustor, and the flue is formed between the bracket and the combustor, so that the structure is more compact.

Drawings

Fig. 1 is a cross-sectional view of a multi-layered burner of the present invention;

fig. 2 is an exploded view of the multi-layer burner of the present invention;

fig. 3 is a perspective view of the multi-layered burner of the present invention;

fig. 4 is a perspective view of the multi-layer burner of the present invention mounted on a bracket.

Detailed Description

The multi-layer burner of the present invention is described with reference to the accompanying drawings.

The multi-layer burner as shown in fig. 1 to 4 further comprises a bracket as shown in fig. 4, the multi-layer burner is mounted on the bracket, and a flue is formed between the bracket and the burner, so that the integrated frying stove using the multi-layer burner is more compact; the multilayer combustor comprises an annular cover 1, an outer layer cavity wall 4, a middle layer cavity wall 3 and an inner layer cavity wall 2, wherein the outer layer cavity wall 4, the middle layer cavity wall 3 and the inner layer cavity wall 2 are connected to the annular cover 1, the middle layer cavity wall 3 is sleeved outside the inner layer cavity wall 2, and the outer layer cavity wall 4 is sleeved outside the middle layer cavity wall 3; a combustion chamber is formed inside the inner layer chamber wall 2, the annular cover 1 is hollow, the combustion chamber corresponds to the hollow position in the middle of the annular cover 1, premixed gas is combusted in the combustion chamber, the inner layer chamber wall 2 can play roles of guiding the premixed gas and preventing tempering, a premixed gas channel is formed between the middle layer cavity wall 3 and the inner layer cavity wall 2, a communicating groove 21 is arranged on the inner layer cavity wall 2 to provide premixed gas for the combustion cavity, the communicating groove 21 is communicated with the premixed gas channel and the combustion cavity, an air cooling cavity is formed between the middle layer cavity wall 3 and the outer layer cavity wall 4, the premixed gas channel is separated from a flue outside the combustor through the air cooling cavity, when the flue gas burner works, high-temperature flue gas in the flue cannot directly surround the wall 2 of the middle layer cavity, so that the high-temperature flue gas in the flue can be prevented from igniting premixed gas in the premixed gas channel to cause deflagration accidents.

The gas mixing device is characterized by further comprising a premixed gas pipeline 5, wherein the premixed gas pipeline 5 penetrates through the outer layer cavity wall 4 and the middle layer cavity wall 3 and is communicated with the premixed gas channel, and the premixed gas pipeline 5 is used for providing premixed gas into the premixed gas channel. Premixed gas pipeline 5 is the L type, and its one end intercommunication premixed gas passageway, the other end is provided with first air intake 51 and gas entry 52, and the pipeline of premixed gas pipeline 5 selection L type of this application lies in increasing gas and combustion-supporting gas's stroke for gas and combustion-supporting gas can be in premixed gas pipeline 5 intensive mixing, and the gas can burn more fully in the combustion chamber.

As shown in fig. 1, the premix gas inlet duct further comprises a gas inlet duct 7, the gas inlet duct 7 extends into the premix gas channel from the gas inlet 52, an outlet gap 71 is arranged at the end of the gas inlet duct 7, the direction of the outlet gap 71 is opposite to the direction of the first air inlet 51, when the air blowing device blows air to the first air inlet 51, a negative pressure can be formed at the outlet gap 71, and the situation that gas cannot enter the premix gas duct 5 from the outlet gap 71 or the intake air amount is too small when the gas supply pressure is too low is avoided. The air-cooled cavity includes second air intake 41 and air outlet 42, air outlet 42 communicates premix gas pipeline 5, preferably, second air intake 41 can adopt same blast apparatus with first air intake 51, blows microthermal combustion-supporting gas into the air-cooled cavity, reduces premix gas passageway's temperature, finally converges from air outlet 42 in premix gas pipeline 5.

As shown in fig. 1 and 2, the combustion chamber further comprises an open flame device 6, the open flame device 6 is mounted on the inner chamber wall 2 and is accommodated in the combustion chamber, the premixed gas duct 5 is provided with an open flame air supply port 53, and the premixed gas duct 5 is penetrated through by a connecting duct to communicate with the open flame device 6. The flame-retarding device 6 comprises an air outlet pipeline 62 and a flame-retarding cover 61, wherein one end of the air outlet pipeline 62 is fixed on the inner-layer cavity wall 2, and the other end of the air outlet pipeline is provided with the flame-retarding cover 61.

As shown in FIG. 1, the top surface of the annular cover 1 is an inclined surface 11, the inclined surface 11 is arranged from the position of the inner ring of the annular cover 1 to the inner ring of the annular cover 1 in an inclined and downward manner, and the inclined surface 11 can guide water when water is poured on the annular cover 1, so that the water flows to the outside and is prevented from flowing into a combustion chamber. The junction between the inner side face and the bottom face of the annular cover 1 is provided with a chamfer structure 12, and the chamfer structure 12 can play a role in guiding flow and stabilizing the fire type in the combustion chamber.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A multilayer combustor is arranged in a flue and is characterized by comprising an annular cover, an outer layer cavity wall, a middle layer cavity wall and an inner layer cavity wall, wherein the outer layer cavity wall, the middle layer cavity wall and the inner layer cavity wall are connected to the annular cover; the inner layer cavity wall is internally provided with a combustion cavity, the combustion cavity corresponds to the middle position of the annular cover, a premixed gas channel is formed between the middle layer cavity wall and the inner layer cavity wall, the inner layer cavity wall is provided with a communicating groove, the communicating groove is communicated with the premixed gas channel and the combustion cavity, and a wind cooling cavity is formed between the middle layer cavity wall and the outer layer cavity wall.

2. The multi-layer combustor as claimed in claim 1, further comprising a premixed gas conduit passing through the outer layer chamber wall and the middle layer chamber wall and communicating with the premixed gas channel.

3. The multi-layer combustor according to claim 2, wherein the premixed gas duct is L-shaped, one end of the premixed gas duct is communicated with the premixed gas channel, and the other end of the premixed gas duct is provided with a first air inlet and a gas inlet.

4. The multi-layer burner as claimed in claim 3, further comprising a gas inlet duct extending from the gas inlet into the premixed gas channel, wherein an end of the gas inlet duct is provided with an air outlet slit, and an orientation of the air outlet slit is opposite to an orientation of the first air inlet.

5. The multi-layer burner as claimed in claim 2, further comprising an open flame device installed on the inner chamber wall and received in the combustion chamber, wherein the premixed gas duct is provided with an open flame supply port through which the open flame device is communicated through a connection duct.

6. The multi-layer combustor according to claim 2, wherein the air cooling chamber includes a second air inlet and an air outlet, and the air outlet is communicated with the premixed gas duct.

7. The multi-layer burner as claimed in claim 1, wherein the top surface of the annular cap is an inclined surface which is inclined downward from the position of the inner ring of the annular cap to the inner ring of the annular cap.

8. The multi-layer burner as claimed in claim 1, wherein a junction between the inner side surface and the bottom surface of the annular cap is provided with a chamfered structure.

9. The multi-layer burner of claim 1, further comprising a bracket on which the burner is mounted.

10. The multi-layer burner of claim 9, wherein the flue is between the bracket and the burner.