CN214949011U

CN214949011U - Burner module and linear gas burner

Info

Publication number: CN214949011U
Application number: CN202120355022.5U
Authority: CN
Inventors: 周盘良
Original assignee: Wuxi Ruineng Electromechanical Equipment Co ltd
Current assignee: Wuxi Ruineng Electromechanical Equipment Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-30
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a burner module and line type gas burner, this burner module includes central trachea and fin board, the intraductal air feed channel that sets up in center, air feed channel's top interval is equipped with a plurality of fumarole, air feed channel's inner wall is the streamlined structure of symmetry reducing, and air feed channel's top is provided with the drainage groove that is linked together with the fumarole, the fin board can install the both sides of the fumarole on central trachea with dismouting, the fin board has seted up the wind circulation hole of a plurality of rows of equidistance interval arrangements from bottom to top, and the fin board is the heating surface with the contact surface of flame, the another side is the non-heating surface, the heating surface middle part is provided with the recess. The burner module not only can enable airflow distribution to be more uniform, is beneficial to ensuring the air injection direction, reducing the radial air injection resistance, and ensuring the flame shape and stability, but also can burn fully; and the ignition success rate when flame is formed can be ensured, and the probability of deformation of the fin caused by expansion with heat and contraction with cold can be reduced.

Description

Burner module and linear gas burner

Technical Field

The utility model belongs to the technical field of the combustor, especially, relate to a combustor module and linear gas burner.

Background

The target group of the burner is wide, and the incinerator, the smelting furnace and the ceramic kiln have the fields of forging, smelting furnace, heat treatment and the like, and the burner is essential in the industries related to heat energy. The gas burner is a kind of burner, which enables gas and air to enter a combustion zone separately or in a mixed manner to achieve stable combustion. The fuel gas includes acetylene, natural gas or propane. Gas burners have been widely used in residential and industrial fields, from ordinary kitchen stoves to hospitals, restaurants, outdoor barbecues, industrial stoves, boilers, and the like.

At present, the existing gas burners generally have the following disadvantages:

1) the burning is not sufficient, and the burning gas has the smell of incomplete burning in the drying tunnel during the operation.

2) The design consideration of expansion with heat and contraction with cold of the air-gas mixing fin is not enough, and the fin of the combustor and the end cover plate or the fin of the combustor are cracked when the combustor runs, so that the stability and the safety of the operation of the combustor are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned problem, provide a combustor module to there is the insufficient and combustor fin of burning yielding cracked problem under being heated in the gas burner among the solution prior art.

Another object of the present invention is to solve the above problems, and to provide a linear gas burner, which solves the problems of insufficient combustion and low operation stability and safety of the prior art.

The utility model aims at realizing through the following technical scheme:

a burner module, comprising,

a central air pipe, wherein an air supply channel is arranged in the central air pipe, a plurality of air injection holes are arranged at the top of the air supply channel at intervals, the section of the air supply channel is narrow at the top and wide at the bottom, the inner wall of the air supply channel is of a symmetrical reducing streamline structure, and the top of the air supply channel is provided with a drainage groove communicated with the air injection holes,

the air-gas mixing fin can be detachably installed on two sides of an air jet hole in the central air pipe and comprises a fin plate, the fin plate is provided with a plurality of air circulation holes from bottom to top, each air circulation hole comprises a plurality of air circulation holes which are arranged at equal intervals, the fin plate is a heating surface, the other surface of the fin plate is a non-heating surface, and a groove is formed in the middle of the heating surface.

As an optimized scheme of the utility model, the tracheal both ends in center all are provided with center tube flange.

As a preferred scheme of the utility model, the air feed channel is tangent to form by a plurality of sections of circular arcs that camber increases in proper order from bottom to top.

As a preferred scheme of the utility model, the fumarole just perpendicular to horizontal direction sets up, the drainage groove with the center of fumarole is in on the same vertical line, the drainage groove all adopts smooth streamline transition with the department of meeting of channel and fumarole of supplying air.

As a preferred scheme of the utility model, the central trachea is any one of "a" style of calligraphy, "T" style of calligraphy or "ten" style of calligraphy.

As an optimized proposal of the utility model, the outer wall of the central air pipe adopts a symmetrical reducing streamline structure.

As a preferred scheme of the utility model, the tracheal top in the both sides correspondence of fumarole is provided with the screw hole that a plurality of is used for installing the fin board, the screw hole is the acute angle with the horizontal direction contained angle.

As the utility model discloses an optimal scheme, the fin board is whole to be square structure, and its four sides all extend to the non-heated surface has the limit of bending, a plurality of connecting hole has been seted up on the edge of bending, the connecting hole is including the second connecting hole that is used for being fixed in the first connecting hole on the central trachea with the fin board and is used for connecting two adjacent fin boards, first connecting hole is seted up in the edge of bending of fin board bottom, the second connecting hole is seted up in the edge of bending of fin board both sides.

As an optimal scheme of the utility model, the wind circulation hole of two adjacent lines in a plurality of wind circulation holes is crisscross arranges each other.

The utility model provides a linear gas burner, wherein, it is formed by the mutual concatenation of the above-mentioned combustor module of a plurality of, forms wholly and is "one" style of calligraphy, "worker" style of calligraphy, "mouth" style of calligraphy, "day" style of calligraphy or "field" style of calligraphy any kind of burning passageway, the end cover is installed to burning passageway's opening part.

The beneficial effects of the utility model are that, combustor module and line type gas burner have following advantage:

1) the inner wall of the central air pipe is designed in a streamline structure, and the air supply channel is additionally provided with the drainage groove, so that the air flow distribution is more uniform; and the jet direction is favorably ensured, the radial jet resistance is reduced, the flame shape and stability can be ensured, and the combustion is sufficient.

2) The fin plate is made of heat-resistant alloy steel, the air circulation holes are designed in a hydromechanics simulation mode, are distributed from top to bottom in a non-uniform mode and are arranged in different densities, the longitudinal depth of the fins is increased, the ignition success rate when flame is formed is guaranteed, and the full mixed combustion of gas and air is facilitated. The fuel gas generates a large amount of heat during combustion, the heating surface can expand when heated, the normal temperature can be recovered when the engine is stopped, the elliptical groove of the heating surface well absorbs expansion caused by heat and contraction caused by cold, and the probability of deformation of the fin caused by expansion caused by heat and contraction caused by cold is greatly reduced;

3) the application range is wide, and the burner which needs forced ventilation with a combustion-supporting fan or utilizes process air to support combustion can be manufactured by changing the included angle of the fin plates on the two sides of the central air pipe;

4) the universality is good, and the burners suitable for different processes can be made by the simplest assembly of modules with different sequences and different forms.

Drawings

Fig. 1 is a schematic perspective view of a burner module according to embodiment 1 of the present invention;

fig. 2 is a front view of a fin plate of a burner module according to embodiment 1 of the present invention;

fig. 3 is a side view of a fin plate of a burner module according to embodiment 1 of the present invention;

fig. 4 is an assembly view of a fin plate of a burner module according to embodiment 1 of the present invention;

fig. 5 is a sectional view of a central air pipe of a burner module according to embodiment 1 of the present invention;

fig. 6 is a schematic perspective view of a burner module according to embodiment 2 of the present invention;

fig. 7 is a schematic perspective view of a burner module according to embodiment 3 of the present invention;

fig. 8 is a schematic perspective view of a linear gas burner with a combustion-supporting fan according to embodiment 1 of the present invention;

fig. 9 is a schematic perspective view of a linear gas burner with a combustion-supporting fan according to embodiment 2 of the present invention;

fig. 10 is a schematic perspective view of a linear gas burner with a combustion-supporting fan according to embodiment 3 of the present invention;

fig. 11 is a schematic perspective view of a linear gas burner with a combustion-supporting fan according to embodiment 4 of the present invention;

fig. 12 is a schematic perspective view of a linear gas burner with a combustion-supporting fan according to embodiment 5 of the present invention;

fig. 13 is a schematic perspective view of a linear gas burner for supporting combustion with process air according to embodiment 6 of the present invention;

fig. 14 is a schematic perspective view of a linear gas burner for supporting combustion with process air according to embodiment 7 of the present invention;

fig. 15 is a schematic perspective view of a linear gas burner using process air to support combustion according to embodiment 8 of the present invention;

fig. 16 is a schematic perspective view of a linear gas burner for supporting combustion with process air according to embodiment 9 of the present invention;

fig. 17 is a schematic perspective view of a linear gas burner for supporting combustion with process air according to embodiment 10 of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

Referring to fig. 1 to 5, in the present embodiment, a burner module includes a central air tube 1 and an air-air mixing fin 2, the central air tube 1 is a "straight" structure, the central air tube 1 is cast by heat-resistant steel, and is not deformed when operating at high temperature, and the outer wall of the central air tube 1 adopts a symmetrical diameter-variable streamline structure to reduce the resistance when air flows pass through the central air tube, a length-extending air supply channel 10 is provided in the central air tube 1, a plurality of air injection holes 11 are spaced apart along the length direction of the top of the air supply channel 10, the air injection holes 11 are vertical cylindrical holes arranged upward and perpendicular to the horizontal direction, all the air injection holes 11 are on the same straight line, the cross section of the air supply channel 10 is narrow at the top and wide at the bottom, and is a "pear" shaped structure, the air supply channel 10 is a symmetrical diameter-variable streamline structure as a whole, and is formed by tangently connecting a plurality of circular arcs with increasing curvatures from bottom to top, and the top of the air supply channel 10 is provided with a drainage groove 12 communicated with the air injection hole 11, the joints of the drainage groove 12, the air supply channel 10 and the air injection hole 11 are in smooth streamline transition, the centers of the drainage groove 12 and the air injection hole 11 are positioned on the same vertical line, and the width of the drainage groove 12 is slightly larger than the diameter of the air injection hole 11.

In order to facilitate the installation of the central air pipe 1, the two ends of the central air pipe are respectively provided with a central pipe butt flange 13, and during the specific processing, the central pipe butt flanges 13 can be integrated with the central air pipe 1 into a whole structure and can also be welded and fixed on the central air pipe 1. The upper portion of central trachea 1 is provided with a plurality of screw hole 14 in the both sides correspondence of fumarole 11, and screw hole 14 and horizontal direction contained angle are the acute angle.

The air-air mixing fins 2 are fixedly arranged on two sides of an air injection hole on the central air pipe 1 through fixing bolts and threaded holes 14. The air-gas mixing fin 2 is formed by punching, bending and forming a heat-resistant alloy steel material and comprises a fin plate 20 which is square as a whole, a plurality of air circulation holes 21 are formed in the fin plate 20 from bottom to top, each air circulation hole 21 comprises a plurality of circular air circulation holes 21 which are arranged at equal intervals, the contact surface of the fin plate 20 and flames 3 is a heating surface 22, the other surface of the fin plate is a non-heating surface 23, an oval groove 24 is formed in the middle of the heating surface 22, and the hole diameters and the hole intervals of the plurality of air circulation holes 21 from bottom to top are increased in sequence. Four side edges of the fin plate 20 extend towards one side of the non-heated surface 23 to form an upper bending edge 25, a lower bending edge 26 and a lateral bending edge 27, the lower bending edge 27 is provided with a plurality of first connecting holes 28 for fixing the fin plate 20 on the central air pipe 1, two ends of the upper bending edge 25 and two ends of the lower bending edge 27 extend towards one side of the non-heated surface 23 to form a connecting bending edge 29, and the lateral bending edge 27 and the connecting bending edge 29 are provided with a plurality of second connecting holes 30 for connecting two adjacent fin plates 20.

When the gas burner works, fuel gas is introduced into the central gas pipe 1, combustion-supporting air is introduced into the periphery of the central gas pipe 2, and the combustion-supporting air is mixed with the fuel gas through the air-gas mixing fins 2 and then ignited. The direction of the arrows in fig. 3 is the flow direction of the combustion air.

Example two

Please refer to fig. 6, fig. 6 is a schematic view of a three-dimensional structure of a burner module provided in embodiment 2 of the present invention, in which the burner module includes a central air pipe 1 and air mixing fins 2, the central air pipe 1 is a "T" shaped structure, the air mixing fins 2 mounted on the central air pipe 1 are matched to form a "T" shaped mixed combustion channel, and the fin plate 20 of the air mixing fins 2 disposed at the corners is not provided with an oval groove 24, and others are as follows: the cross-sectional structure of the central air tube 1 and the structure and installation manner of the residual air mixing fins 2 are the same as those of the first embodiment.

EXAMPLE III

Please refer to fig. 7, fig. 7 is a schematic view of a three-dimensional structure of a burner module according to embodiment 3 of the present invention, in which the burner module includes a central air tube 1 and air mixing fins 2, the central air tube 1 is a cross-shaped structure, the air mixing fins 2 mounted on the central air tube 1 are matched to form a cross-shaped mixed combustion channel, and the fin plate 20 of the air mixing fins 2 is not provided with an oval groove 24, and others are as follows: the cross-sectional structure of the central air pipe 1 and the installation mode of the air-air mixing fins 2 are the same as those of the first embodiment.

Please refer to fig. 8, fig. 8 is a schematic view of a three-dimensional structure of a linear gas burner according to embodiment 1 of the present invention, in this embodiment, the linear gas burner is formed by splicing the aforementioned "one" shaped burner modules to form a "one" shaped burning channel 4a, end covers 5 are installed at two ends of the "one" shaped burning channel 4a, at least a gas inlet, an ignition needle installation port and an ignition air inlet are provided on the front end cover, and a combustion-supporting air duct 6 is provided below the "one" shaped burning channel 4 a.

Please refer to fig. 9, fig. 9 is a schematic view of a three-dimensional structure of a linear gas burner according to embodiment 2 of the present invention, in this embodiment, the linear gas burner is formed by splicing the above-mentioned "one" shaped burner module and the "T" shaped burner module, and forms an "i" shaped burning channel 4b as a whole, an end cover 5 is installed at an opening of the "i" shaped burning channel 4b, at least a gas inlet, an ignition needle installation port and an ignition gas inlet are provided on part of the end cover 5 as required, and a combustion-supporting air duct 6 is provided below the "i" shaped burning channel 4 b.

Please refer to fig. 10, fig. 10 is a schematic view of a three-dimensional structure of a linear gas burner according to embodiment 3 of the present invention, in this embodiment, the linear gas burner is formed by splicing the above-mentioned "one" shaped burner module and the "ten" shaped burner module, and forms a whole "mouth" shaped combustion channel 4c, an end cover 5 is installed at an opening of the "mouth" shaped combustion channel 4c, a gas inlet, an ignition needle installation port and an ignition gas inlet are at least provided on part of the end cover 5 as required, and a combustion-supporting air duct 6 is provided below the "mouth" shaped combustion channel 4 c.

Referring to fig. 11, fig. 11 is a schematic perspective view of a linear gas burner according to embodiment 4 of the present invention; the utility model provides a linear gas burner is formed by the mutual concatenation of above-mentioned "a" style of calligraphy burner module and "ten" style of calligraphy burner module, forms whole to be "day" style of calligraphy burning passage 4d, and end cover 5 is all installed to the opening part of "day" style of calligraphy burning passage 4d, has seted up gas air inlet, ignition needle installing port and ignition air inlet on partial end cover 5 as required at least, and "day" style of calligraphy burning passage 4 d's below is provided with combustion-supporting wind channel 6.

Referring to fig. 12, fig. 12 is a schematic perspective view of a linear gas burner according to embodiment 5 of the present invention; a linear gas burner is formed by mutually splicing the linear burner module and the cross burner module, a field-shaped combustion channel 4e is integrally formed, an end cover 5 is arranged at the opening of the field-shaped combustion channel 4e, at least a gas inlet, an ignition needle mounting port and an ignition air inlet are formed in part of the end cover 5 as required, and a combustion-supporting air duct 6 is arranged below the field-shaped combustion channel 4 e.

Referring to fig. 13, fig. 13 is a schematic perspective view of a linear gas burner using process air to support combustion according to embodiment 6 of the present invention. In a specific application process, the included angle of the air-air mixing fins 2 on the two sides of the central air pipe 1 is increased, and a burner utilizing process air to support combustion can be manufactured. A linear gas burner utilizes process air to support combustion, is formed by mutually splicing the linear burner modules, forms a whole linear combustion channel 4a, and is provided with an end cover 5 at the opening of the linear combustion channel 4a, and the front end cover 5 is at least provided with a gas inlet, an ignition needle mounting hole and an ignition air inlet, and is different from the linear gas burner in figure 10 in that a combustion-supporting air channel is not arranged. As shown in fig. 14 to 17, it is needless to say that a plurality of the "linear" burner modules and the "cross" burner modules can be spliced together as required to form a burner using process air to support combustion, which has an "i" shaped combustion channel, a "u" shaped combustion channel, a "ri" shaped combustion channel, and a "tian" shaped combustion channel, and thus, the description is omitted here.

The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.

Claims

1. A burner module, characterized by: which comprises the steps of preparing a mixture of a plurality of raw materials,

2. The burner module of claim 1, wherein: and central pipe butt flanges are arranged at two ends of the central air pipe.

3. The burner module of claim 1, wherein: the air supply channel is formed by tangency of a plurality of sections of circular arcs with curvatures increasing from bottom to top in sequence.

4. The burner module of claim 1, wherein: the fumarole just perpendicular to horizontal direction sets up, the drainage groove with the center of fumarole is on same vertical line, the drainage groove all adopts smooth streamline transition with the department of meeting of air feed channel and fumarole.

5. The burner module of claim 1, wherein: the central air pipe is in a shape of a straight line, T or cross.

6. The burner module of claim 1, wherein: the outer wall of the central air pipe adopts a symmetrical reducing streamline structure.

7. The burner module of claim 1, wherein: the top of the central air pipe is provided with a plurality of threaded holes used for installing fin plates correspondingly on two sides of the air injection hole, and the included angle between each threaded hole and the horizontal direction is an acute angle.

8. The burner module of claim 1, wherein: the fin plate is integrally of a square structure, four side edges of the fin plate extend to a non-heating surface to form bending edges, a plurality of connecting holes are formed in the bending edges, the connecting holes comprise first connecting holes used for fixing the fin plate on a central air pipe and second connecting holes used for connecting two adjacent fin plates, the first connecting holes are formed in the bending edges at the bottom ends of the fin plates, and the second connecting holes are formed in the bending edges on two sides of the fin plate.

9. The burner module of claim 1, wherein: the wind circulation holes in two adjacent rows of the plurality of wind circulation holes are arranged in a staggered mode.

10. A linear gas burner, characterized by: the burner is formed by mutually splicing a plurality of burner modules according to any one of claims 1 to 9 to form any one of a combustion channel which is integrally in a shape like a Chinese character ' yi ', an I ' shape, a ' kou ' shape, a ' ri ' shape or a ' tian ' shape, and an end cover is arranged at an opening of the combustion channel.