CN114110582A

CN114110582A - Combustion-supporting combustor

Info

Publication number: CN114110582A
Application number: CN202210082722.0A
Authority: CN
Inventors: 李志强; 孙洪安
Original assignee: Yantai Dachang Gas Appliance Co ltd
Current assignee: Yantai Dachang Gas Appliance Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-03-01
Anticipated expiration: 2042-01-25
Also published as: CN114110582B

Abstract

The invention discloses a combustion-supporting combustor, and relates to the technical field of combustors. The gas diffusion device comprises a supporting wall and a heating element supporting structure, wherein a supporting seat is fixed at the top of the supporting wall through a bolt, a gas diffusion piece is fixed at the top of the supporting wall, the gas diffusion piece is positioned in the center of the supporting wall and is coaxial with the supporting seat, an air input diffusion piece is fixed at the top of the supporting seat through a threaded column, the air input diffusion piece is coaxial with the supporting seat, and the heating element supporting structure is fixed at the top of the air input diffusion piece through a threaded column. The gas diffusion piece is arranged on the outer wall of the gas diffusion piece, the gas diffusion piece is arranged on the gas diffusion piece, the gas diffusion piece is connected with the gas diffusion piece through a gas diffusion piece, the gas diffusion piece is arranged on the gas diffusion piece, and the gas diffusion piece is connected with the gas diffusion piece.

Description

Combustion-supporting combustor

Technical Field

The invention belongs to the technical field of burners, and particularly relates to a burner for supporting combustion.

Background

Burners are commonly used in domestic and industrial environments and are largely structurally similar, being connected in use to a boiler or to a combustion chamber of an industrial application by means of supporting walls. Therefore, the fuel is mixed with the combustion-supporting gas after being introduced into the combustor, and the combustion-supporting gas and the fuel are required to be fully mixed in order to ensure the full combustion of the fuel, while the existing combustor directly inputs the fuel gas and the combustion-supporting gas into the combustor simultaneously or controls the input amount of the input combustion-supporting gas and the input amount of the fuel to mix by utilizing the characteristics of the existing combustor in the using process; a situation in which the fuel is completely combusted and discharged without being completely mixed often occurs, so that the fuel is insufficiently combusted, not only the fuel is wasted, but also the heating efficiency is reduced.

Therefore, aiming at the problem of insufficient fuel combustion in the combustor, a structure capable of fully mixing combustion-supporting gas and fuel is needed, so that the fuel is fully contacted and mixed with the combustion-supporting gas in the combustion process, the fuel is fully combusted, and the waste of resources is reduced.

Disclosure of Invention

The invention aims to provide a combustion-supporting combustor, which solves the problem that the existing combustor is insufficient in fuel combustion.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a combustion-supporting combustor, which comprises a supporting wall and a heating element supporting structure, wherein a supporting seat is fixed at the top of the supporting wall through a bolt, a fuel gas diffusion piece is fixed at the top of the supporting wall, the fuel gas diffusion piece is positioned at the center of the supporting wall and is coaxial with the supporting seat, an air input diffusion piece is fixed at the top of the supporting seat through a threaded column, the air input diffusion piece is coaxial with the supporting seat, and the heating element supporting structure is fixed at the top of the air input diffusion piece through the threaded column;

the gas diffusion piece includes the arc kuppe, arc kuppe surface passes through supporting leg and support wall fixed connection, arc kuppe bottom intermediate position is fixed with the gas input tube, the arc kuppe is run through on gas input tube top, the one end that the gas input tube is located the arc kuppe inner chamber is fixed with the guide housing, guide housing and gas input tube intercommunication, the gas delivery outlet has been seted up to the guide housing bottom, arc kuppe top end face is fixed with the gas dispersion cover.

Further, the air input diffusion piece comprises a fixed ring plate fixedly connected with the supporting seat, the fixed ring plate and the supporting seat are coaxial, an inner cylinder and an outer cylinder which are coaxial with the fixed ring plate are fixed at the top of the fixed ring plate, an air guide cavity is formed between the inner cylinder and the outer cylinder, and a sealing upper cover matched with the air guide cavity is fixed at the top of the inner cylinder and the top of the outer cylinder through threaded columns; the inner barrel wall is provided with air inlet grooves at equal intervals along the tangential direction in an annular shape, the air inlet grooves are communicated with the air guide cavity and the inner barrel cavity, the outer barrel wall is provided with an air inlet channel in a penetrating manner along the tangential direction, and the air inlet channel is communicated with the air guide cavity.

Furthermore, the heating element supporting structure comprises a connecting ring plate, the connecting ring plate is fixed at the top of the air input diffusion element through a threaded column, the connecting ring plate and the air input diffusion element are coaxially arranged, a telescopic corrugated pipe is fixed on the end surface of the top of the connecting ring plate, the telescopic corrugated pipe and the connecting ring plate are coaxially arranged, a supporting ring plate is fixed at the top of the telescopic corrugated pipe, a telescopic rod is fixed at the bottom of the supporting ring plate, and the bottom end of the telescopic rod is fixedly connected with the top of the air input diffusion element; the supporting ring plate is characterized in that the top of the supporting ring plate is slidably connected with a supporting block, a fastening threaded rod penetrating through the supporting ring plate is fixed at the bottom of the supporting block, a fastening nut with the top end contacting with the bottom of the supporting ring plate is in threaded connection with the fastening threaded rod, and a limiting strip matched with the supporting block is fixed at the top of the supporting ring plate.

Furthermore, a clamping groove is formed in the top end face of the arc-shaped flow guide cover, a clamping block matched with the clamping groove is fixed on the bottom end face of the gas dispersing cover, and an arc-shaped gas output groove is formed in the outer surface of the gas dispersing cover.

Further, the supporting seat comprises a supporting cylinder body, the supporting cylinder body and the gas input pipe are arranged coaxially, flanges are fixed at two ends of the supporting cylinder body, and supporting rib plates fixedly connected with the flanges are fixed on the outer circular surface of the supporting cylinder body in an annular equal distance mode.

Further, the flange at the top of the supporting seat is fixedly connected with the fixed ring plate through a threaded column, and the flange at the bottom of the supporting seat is fixedly connected with the supporting wall through a bolt.

The invention has the following beneficial effects:

1. the gas diffusion piece is used in combination with the supporting wall, the supporting seat, the gas diffusion piece and the air input diffusion piece, input gas can be uniformly distributed and output under the action of the gas diffusion piece, the gas can be output along the gas output port of the gas diffusion piece, the uniformly output gas is matched with the air input diffusion piece, the gas is uniformly mixed with the input air, and under the action of the air input diffusion piece, mixed gas generated after the gas and the air are mixed can rise in a rotating mode in the air input diffusion piece, so that the fuel and combustion-supporting gas have fluidity and can be sufficiently mixed, flame generated after the gas is ignited has enough air to assist combustion, and the gas can be more sufficiently combusted.

2. According to the invention, the heating element supporting structure capable of adjusting the height is arranged at the top of the air input diffusion element, so that the contact between the flame and the bottom of the heated element can be adjusted according to the height of the flame rising in the air input diffusion element during combustion of gas, and further, the high temperature generated by the flame can be fully absorbed by the heated element, and the utilization rate of the fuel is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a combustion-supporting burner of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic view of another embodiment of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line A-A in FIG. 4;

FIG. 6 is a schematic view of the gas diffusion member;

FIG. 7 is a schematic view of a portion of the gas diffuser;

FIG. 8 is a schematic bottom view of the gas diffuser;

FIG. 9 is a front view of a portion of the gas diffuser;

FIG. 10 is a schematic cross-sectional view taken along line B-B of FIG. 9;

FIG. 11 is a schematic view of the structure of the gas dispersion cover;

FIG. 12 is a schematic view of the bottom structure of the gas dispersion cover;

FIG. 13 is a schematic view of the construction of the air input diffuser;

FIG. 14 is a schematic view of the internal structure of the air input diffuser;

FIG. 15 is a schematic view of the structure at the bottom view of FIG. 14;

FIG. 16 is a front view of a portion of the air input diffuser;

FIG. 17 is a schematic cross-sectional view taken at C-C in FIG. 16;

FIG. 18 is a schematic structural view of a heating element support structure;

FIG. 19 is a bottom schematic view of a heating element support structure;

fig. 20 is a schematic structural view of the support base.

In the drawings, the components represented by the respective reference numerals are listed below:

1-supporting wall, 2-heating element supporting structure, 201-connecting ring plate, 202-expansion bellows, 203-supporting ring plate, 204-expansion link, 205-supporting block, 206-fastening threaded rod, 207-fastening nut, 208-limiting strip, 3-supporting seat, 4-gas diffusion element, 401-arc-shaped air guide sleeve, 402-supporting leg, 403-gas input tube, 404-guide sleeve, 405-gas output port, 406-gas diffusion sleeve, 407-clamping groove, 408-clamping block, 409-arc-shaped gas output groove, 5-threaded column, 6-air input diffusion element, 601-fixing ring plate, 602-inner cylinder, 603-outer cylinder, 604-air guide cavity, 605-sealing upper cover, 606-air inlet groove, 607-air intake duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 20, the present invention is a burner for supporting combustion, including a supporting wall 1, the supporting wall 1 can be connected to a combustion chamber of a boiler or an industrial application without installing a heating element supporting structure 2, a gas inlet pipe 403 penetrating the supporting wall 1 forms an inlet passage for introducing fuel gas into a gas diffusion member 4, the top of the supporting wall 1 is fixed with a supporting base 3 through a bolt, the top of the supporting wall 1 is fixed with the gas diffusion member 4, the gas diffusion member 4 is located at the center of the supporting wall 1 and is coaxial with the supporting base 3, the top of the supporting base 3 is fixed with an air input diffusion member 6 through a threaded post 5, and the air input diffusion member 6 is coaxial with the supporting base 3;

the gas diffusion piece 4 comprises an arc-shaped air guide sleeve 401, the outer surface of the arc-shaped air guide sleeve 401 is fixedly connected with the supporting wall 1 through a supporting leg 402, a gas input pipe 403 is fixed at the middle position of the bottom of the arc-shaped air guide sleeve 401, the top end of the gas input pipe 403 penetrates through the arc-shaped air guide sleeve 401, a guide sleeve 404 is fixed at one end, located in the inner cavity of the arc-shaped air guide sleeve 401, of the gas input pipe 403, the guide sleeve 404 is communicated with the gas input pipe 403, a gas output port 405 is formed in the bottom of the guide sleeve 404, a gas dispersing cover 406 is fixed on the top end face of the arc-shaped air guide sleeve 401, a clamping groove 407 is formed in the top end face of the arc-shaped air guide sleeve 401, a clamping block 408 matched with the clamping groove 407 is fixed on the bottom end face of the gas dispersing cover 406, and an arc-shaped gas output groove 409 is formed in the outer surface of the gas dispersing cover 406.

Wherein, the air input diffusion piece 6 comprises a fixed ring plate 601 fixedly connected with the supporting seat 3, the fixed ring plate 601 is coaxial with the supporting seat 3, the top of the fixed ring plate 601 is fixed with an inner cylinder 602 and an outer cylinder 603 which are coaxial with the fixed ring plate 601, an air guide cavity 604 is formed between the inner cylinder 602 and the outer cylinder 603, the top of the inner cylinder 602 and the outer cylinder 603 is fixed with a sealing upper cover 605 matched with the air guide cavity 604 through a threaded column 5, the cylinder wall of the inner cylinder 602 is provided with air inlet grooves 606 at equal intervals along the tangential direction, the air inlet grooves 606 are communicated with the air guide cavity 604 and the inner cavity of the inner cylinder 602, the cylinder wall of the outer cylinder 603 is provided with an air inlet channel 607 along the tangential direction, the air inlet channel 607 is communicated with the air guide cavity 604, the air input diffusion piece 6 enables the input combustion-supporting gas to have fluidity when in use, and the mixed fuel also has fluidity and the stirring effect inside the air input diffusion piece 6, so that the fuel is fully mixed with the combustion-supporting gas.

The supporting seat 3 comprises a supporting cylinder body, the supporting cylinder body and the gas input pipe 403 are arranged coaxially, flanges are fixed at two ends of the supporting cylinder body, supporting rib plates fixedly connected with the flanges are fixed on the outer circular surface of the supporting cylinder body in an annular equidistant mode, the flange at the top of the supporting seat 3 is fixedly connected with a fixed ring plate 601 through a threaded column 5, and the flange at the bottom of the supporting seat 3 is fixedly connected with a supporting wall 1 through a bolt.

One specific application of this embodiment is: when the combustor is used, the combustor is fixed in a boiler or an industrial combustion chamber through the supporting wall 1, gas is input through the gas input pipe 403, the input gas is input into the arc-shaped guide cover 401 through the gas output port 405 under the action of the guide cover 404, the gas in the arc-shaped guide cover 401 is uniformly and upwards output along the inner wall of the arc-shaped guide cover 401 under the constraint of air flow and the arc-shaped guide cover 401, and is uniformly output into the air input diffusion piece 6 under the action of the gas dispersion cover 406, and the air is input into the spiral air of the input layer of the diffusion piece 6, so that the gas and the air are mixed and rise in a rotating mode, the gas and the air are fully mixed, and the full combustion of the gas is ensured.

Example two

The embodiment includes all the technical features of the first embodiment, and in addition, the embodiment further includes a heating element support structure 2, the heating element support structure 2 is fixed on the top of the air input diffusion member 6 through a threaded post 5, the heating element support structure 2 includes a connection ring plate 201, the connection ring plate 201 is fixed on the top of the air input diffusion member 6 through the threaded post 5, the connection ring plate 201 and the air input diffusion member 6 are coaxially arranged, a telescopic bellows 202 is fixed on the top end surface of the connection ring plate 201, the telescopic bellows 202 and the connection ring plate 201 are coaxially arranged, a support ring plate 203 is fixed on the top of the telescopic bellows 202, a telescopic rod 204 is fixed on the bottom of the support ring plate 203, and the bottom end of the telescopic rod 204 is fixedly connected with the top of the air input diffusion member 6; the top of the supporting ring plate 203 is slidably connected with a supporting block 205, the bottom of the supporting block 205 is fixed with a fastening threaded rod 206 penetrating through the supporting ring plate 203, the fastening threaded rod 206 is in threaded connection with a fastening nut 207 with the top end contacting with the bottom of the supporting ring plate 203, and the top of the supporting ring plate 203 is fixed with a limiting strip 208 matched with the supporting block 205.

One specific application of this embodiment is: the use state of its gas input is the same with embodiment one, and the difference lies in, places the by heating member at heating member bearing structure 2 top, can adjust the height of bottom and the inside burning flame of air input diffusion piece 6 as required, and then makes the high temperature that flame produced can fully be absorbed by the heating member, improves the utilization ratio of fuel.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a combustor of combustion-supporting fever, includes supporting wall (1) and heating member bearing structure (2), there is supporting seat (3), its characterized in that at supporting wall (1) top through the bolt fastening:

the top of the supporting wall (1) is fixedly provided with a gas diffusion piece (4), the gas diffusion piece (4) is positioned in the center of the supporting wall (1) and is coaxial with the supporting seat (3), the top of the supporting seat (3) is fixedly provided with an air input diffusion piece (6) through a threaded column (5), the air input diffusion piece (6) is coaxial with the supporting seat (3), and the heating element supporting structure (2) is fixedly arranged on the top of the air input diffusion piece (6) through the threaded column (5);

gas diffusion spare (4) include arc kuppe (401), arc kuppe (401) surface passes through supporting leg (402) and supports wall (1) fixed connection, arc kuppe (401) bottom intermediate position is fixed with gas input tube (403), arc kuppe (401) is run through on gas input tube (403) top, the one end that gas input tube (403) are located arc kuppe (401) inner chamber is fixed with guide housing (404), guide housing (404) and gas input tube (403) intercommunication, gas delivery outlet (405) have been seted up to guide housing (404) bottom, arc kuppe (401) top terminal surface is fixed with gas dispersion cover (406).

2. The burner for combustion supporting according to claim 1, wherein the air input diffuser (6) comprises a fixed ring plate (601) fixedly connected with the support base (3), the fixed ring plate (601) and the support base (3) are coaxial, an inner cylinder (602) and an outer cylinder (603) coaxial with the fixed ring plate (601) are fixed at the top of the fixed ring plate (601), an air guide cavity (604) is formed between the inner cylinder (602) and the outer cylinder (603), and a sealing upper cover (605) matched with the air guide cavity (604) is fixed at the top of the inner cylinder (602) and the outer cylinder (603) through a threaded column (5).

3. The burner for combustion supporting according to claim 2, wherein the inner cylinder (602) has air inlet slots (606) circumferentially and equidistantly arranged along a tangential direction on the wall thereof, the air inlet slots (606) communicate the air guide cavity (604) with the inner cavity of the inner cylinder (602), the outer cylinder (603) has an air inlet duct (607) extending through the wall thereof along the tangential direction, and the air inlet duct (607) communicates with the air guide cavity (604).

4. A burner for comburent combustion according to claim 1, characterized in that the heating element support structure (2) comprises a connection ring plate (201), the connection ring plate (201) is fixed on the top of the air input diffuser (6) through a threaded post (5), the connection ring plate (201) is coaxially arranged with the air input diffuser (6), the top end face of the connection ring plate (201) is fixed with a telescopic bellows (202), the telescopic bellows (202) is coaxially arranged with the connection ring plate (201), the top of the telescopic bellows (202) is fixed with a support ring plate (203), the bottom of the support ring plate (203) is fixed with a telescopic rod (204), and the bottom of the telescopic rod (204) is fixedly connected with the top of the air input diffuser (6).

5. A burner for supporting combustion as claimed in claim 4, characterized in that the top of the supporting ring plate (203) is slidably connected with a supporting block (205), a fastening threaded rod (206) penetrating through the supporting ring plate (203) is fixed at the bottom of the supporting block (205), a fastening nut (207) is screwed on the fastening threaded rod (206), the top end of the fastening nut (207) is in contact with the bottom of the supporting ring plate (203), and a limit strip (208) matched with the supporting block (205) is fixed at the top of the supporting ring plate (203).

6. The burner for supporting combustion as claimed in claim 1, wherein a clamping groove (407) is formed in an end surface of a top of the arc-shaped air guide sleeve (401), a clamping block (408) matched with the clamping groove (407) is fixed on an end surface of a bottom of the gas dispersion cover (406), and an arc-shaped gas output groove (409) is formed in an outer surface of the gas dispersion cover (406).

7. A burner for comburent combustion according to claim 2, characterized in that said support base (3) comprises a support cylinder, said support cylinder is coaxially arranged with said gas inlet pipe (403), said support cylinder has flanges fixed at both ends, and said support cylinder has support ribs fixed with said flanges in annular shape and equidistant on the outer circumferential surface.

8. A burner for comburent combustion according to claim 7, characterized in that the flange at the top of the support base (3) is fixedly connected with the fixed ring plate (601) through the threaded post (5), and the flange at the bottom of the support base (3) is fixedly connected with the supporting wall (1) through the bolt.