CN207501141U - Heat-storage type burner - Google Patents

Abstract

The utility model provides a kind of heat-storage type burner, including air guide tube, combustion gas guide tube and burning torch, air guide tube is equipped with air injection nozzle, combustion gas guide tube is equipped with note combustion gas nozzle, one end of combustion gas guide tube is set in air guide tube, and combustion gas guide tube offers leakage hole on one section be inserted in air guide tube of barrel, Some gases are flowed into through leakage hole in air guide tube when making combustion is connected in combustion gas guide tube closes with air pre-mixing, one end of burning torch is set in combustion gas guide tube, to send out combustion gas and the gas ignition that collects end and will collect of air guide tube submitting air in combustion gas guide tube.This heat-storage type burner is set in integral type, it is simple in structure, by the leakage hole that preset quantity is opened up on gas conduct pipe, make air flow into collect end before air carried out the mixing of a small amount of combustion gas, strengthen fuel gas buring adequacy, save energy, also combustion efficiency is good for external flame during burning, and the security performance of burner is also improved.

Description

Heat-storage type burner

Technical field

The utility model is related to technical field of combustion equipment, and in particular to a kind of heat-storage type burner.

Background technology

Burner is used for the furnace bodies combustion heating such as boiler or annealing furnace, and burner is by setting gas pipeline and air hose Road, gas pipeline delivery of fuel gas, air pipeline conveying air are set in the junction for the gas that gas pipeline is conveyed with air pipeline Igniter head of burning torch is equipped with, is lighted a fire by igniter head and lights combustion gas and air, heated so as to fulfill to furnace body.Existing combustion More gas pipeline is set burner with air pipeline separate type, and such as arranged in a crossed manner, infall is exported for gas pipeline and air The intersection of pipe outlet is further provided with igniter head of burning torch in intersection, and such burner structure is more complicated, due to combustion Gas is just mixed with air in intersection, the phenomenon that undercompounding easily occurs, so as to which fuel gas buring is insufficient, causes energy The waste in source, and security risk caused by since burning is insufficient is big.

Utility model content

In view of described above, the utility model improves combustion it is necessary to provide a kind of mixability for strengthening combustion gas and air Efficiency is burnt with energy saving, and heat-storage type burner simple in structure.

A kind of heat-storage type burner, including air guide tube, combustion gas guide tube and burning torch, air guide tube are equipped with air injection Nozzle, combustion gas guide tube are equipped with note combustion gas nozzle, and one end of combustion gas guide tube is set in air guide tube, and combustion gas guide tube is covering Enter and offer leakage hole on one in air guide tube section of barrel, Some gases are through leakage hole stream when making combustion is connected in combustion gas guide tube Enter in air guide tube and closed with air pre-mixing, one end of burning torch is set in combustion gas guide tube, and combustion gas guide tube is sent out combustion gas Air is sent out with air guide tube to light.

Further, the air injection nozzle is connected with tangent on the inside of the barrel of air guide tube.

Further, the burning torch includes outer barrel, the inner cylinder being set in outer barrel and the igniting in inner cylinder Bar.

Further, the outer barrel connection has air injection tube mouth, and inner cylinder connection has combustion gas to inject nozzle, spark lever one end With two electrodes, the other end is hits fire end.

Further, flame detector is provided on the burning torch, it is another to detect inner cylinder mounted on one end of inner cylinder The flame at end.

Further, fire observation window is provided on the burning torch, for the flame of the other end from one end of inner cylinder.

Further, the heat-storage type burner includes resistance to duration and degree of heating, and resistance to duration and degree of heating includes the resistance to of connecting pin and integrally connected Fire end, connecting pin are socketed in combustion gas guide tube port, and the center of resistance to duration and degree of heating offers centre bore to be arranged burning torch.

Further, it is described it is resistance to axially offer several gas ports on the height of anger, for combustion gas guide tube combustion gas flow out.

Further, several air passing holes are radially offered in the circumferential lateral surface of the resistance to fire end of the resistance to duration and degree of heating, and cross gas Hole is connected with the gas port of corresponding position.

Further, several lugs are provided on the peripheral wall lateral surface of the combustion gas guide tube, to be arranged in combustion gas guide tube Afterwards, patch is supported on the inside of lug and the peripheral wall of air guide tube.

Compared to the prior art, the air guide tube of the utility model heat-storage type burner, combustion gas guide tube and burning torch are in Layered set type integral type is set, and heat-storage type burner overall structure is simple, by the gas leakage that preset quantity is opened up on gas conduct pipe Hole, make air flow into collect end before air carried out the mixing of a small amount of combustion gas, being sufficiently mixed for air and combustion gas can be improved Degree strengthens fuel gas buring adequacy, saves energy, and also combustion efficiency is good for external flame during burning, the safety of burner Performance is also improved.

The preferred embodiment and advantage of the utility model will combine specific embodiment further specifically It is bright.

Description of the drawings

Attached drawing is to be used to provide a further understanding of the present invention, and a part for constitution instruction, and following Specific embodiment is used to explain the utility model, but should not form the limitation to the utility model together.In the accompanying drawings,

Fig. 1 is the dimensional structure diagram of the utility model heat-storage type burner；

Fig. 2 is the structure diagram of the combustion gas guide tube of the utility model heat-storage type burner；

Fig. 3 is the structure diagram of the air guide tube of the utility model heat-storage type burner；

Fig. 4 is the three-dimensional structure diagram of the burning torch of the utility model heat-storage type burner；

Fig. 5 is the schematic partial cross-sectional view of the burning torch of the utility model heat-storage type burner；

Fig. 6 is the structure diagram of the resistance to duration and degree of heating of the utility model heat-storage type burner；

Fig. 7 is the component perspective diagram of the utility model heat-storage type burner (burning torch is not had an X-rayed)；

Fig. 8 is the schematic cross-section of the component of the utility model heat-storage type burner (burning torch internal structure is not shown)；

Fig. 9 is the structure diagram of the fire end of the utility model heat-storage type burner.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

Referring to Fig. 1, a kind of heat-storage type burner shown in the good embodiment of the utility model, including air guide tube 10, combustion Conductance cylinder 20 and burning torch 30.Air guide tube 10, combustion gas guide tube 20 and burning torch 30 are in layer nested structure, combustion gas guide tube 20 One end is set in air guide tube 10, and one end of burning torch 30 is set in combustion gas guide tube 20,

Air guide tube 10 is equipped with air injection nozzle 11, and air is imported in air guide tube 10, such as past by connecting wind turbine Injection air in air guide tube 10.The upper end of air guide tube 10 has end wall 12, and perforation is opened up on end wall 12 for being inserted in combustion gas Guide tube 20.Fig. 2 is further regarded to, show the structure diagram of air guide tube 10, and the end wall 12 of 10 upper end of air guide tube is not It shows, it is visual from Fig. 2, it is tangent on the inside of the barrel of air injection nozzle 11 and air guide tube 10 to connect, in this way, the air of injection is by edge So as to form whirlwind, the port of export screws out downwards for barrel flowing, is conducive to enhance the mixing of air and combustion gas.

With reference to refering to Fig. 3, combustion gas guide tube 20 is equipped with note combustion gas nozzle 21, and combustion gas is imported in combustion gas guide tube 20, such as logical Cross the injection combustion gas in combustion gas guide tube 20 of connection natural gas line.The upper end of combustion gas guide tube 20 has roof 22, in roof 22 Portion offers through-hole for being inserted in burning torch 30, and coupling hole 221 is offered on roof 22, burning torch 30 to be led with combustion gas Cylinder 20 is affixed.Combustion gas nozzle 21 and the 20 orthogonal perforation of combustion gas guide tube are noted, convenient for the combustion gas in injection combustion gas guide tube 20 in a branch of straight Line flows out, and improves the uniformity of fuel gas flow.Combustion gas guide tube 20 offers on one section be inserted in air guide tube 10 of barrel Leakage hole 23 so makes during conducting combustion in combustion gas guide tube 20 Some gases be flowed into air guide tube 10 through leakage hole 23 and air Premixing, size, position and the quantity of leakage hole 23 can need to open up according to premix, and in the present embodiment, leakage hole 23 is preferably It is set as along the circumferential direction in the two rows arranged up and down, and a row of lower end is adjacent to the port of export of combustion gas guide tube 20.

Fig. 4 and Fig. 5 is please referred to, burning torch 30 includes outer barrel 31, the inner cylinder 32 being set in outer barrel 31 and mounted on interior Spark lever 33 in cylinder 32.The periphery caliber of outer barrel 31 is small compared with the inner circumferential caliber of combustion gas guide tube 20, and outer barrel 31 is set in combustion gas and leads In cylinder 20.The connection of outer barrel 31 has air injection tube mouth 311, to inject air toward outer barrel 31.31 periphery of outer barrel is provided with flange 312, it is fixedly connected to the roof 22 with combustion gas guide tube 20.The connection of inner cylinder 32 has combustion gas to inject nozzle 321, to past inner cylinder 32 Interior injection combustion gas.33 one end of spark lever has two electrodes 331, i.e. positive and negative anodes, and the other end is hits fire end 332 (with reference to refering to figure 9) it, by the way that two electrodes 331 are connected, then hits fire end 332 and releases electric shock spark.In this way, outer barrel 31, inner cylinder 32 are mixed at export end The gas ignition of conjunction.In addition, burning torch 30 further has the function of flame detecting, the timely detection function of combustion gas air pressure and sight fire Function, in this way, one end that stretching 33 electrode 331 of spark lever is corresponded in inner cylinder 32 is further provided with flame detector connecting rod 34th, gaseous-pressure detection connecting rod 35 and fire observation window 36.Flame detector connecting rod 34 is such as purple for connecting flame detector External detector, gaseous-pressure detect connecting rod 35 for connecting gas pressure gage, and fire observation window 36 is glass vision panel, for user From one end of burning torch 30 pass through inner cylinder 32 can direct viewing to the other end flame.In the present embodiment, by inner cylinder 32 One end sets a fixed plate 37, sets a hollow out boss 371 in the fixed plate 37 and is connected with inner cylinder 32, combustion gas injection nozzle 321 are arranged on the side of boss 371, spark lever 33, flame detector connecting rod 34, gaseous-pressure detection connecting rod 35 and sight Fiery window 36 is arranged on boss 371 so that spark lever 33, flame detector connecting rod 34 the other end be each passed through inner cylinder 32 and wear Go out, gaseous-pressure detection connecting rod 35 connects gas pressure gage, can detect the pressure of combustion gas in inner cylinder 32 in real time, fire observation window 36 supplies User watches flame.In order to coordinate fixed plate 37, connecting plate 38 is correspondingly provided in one end of outer barrel 31, so as to fixed plate 37 It is affixed with connecting plate 38, and inner cylinder 32 does not connect with outer barrel 31.

Referring to Fig. 6, heat-storage type burner further includes a resistance to duration and degree of heating 40, resistance to duration and degree of heating 40 is being connected to combustion gas guide tube 20 One end and the firing tip of ring set burning torch 30, so that high temperature resistant is burnt.If heat-storage type burner is without resistance to duration and degree of heating, fire end It is easily fragile by continuous high temperature flame combustion.Resistance to 40 rounded boss structure of duration and degree of heating, including connecting pin 41 and integrally connected Resistance to fire end 42.The outer diameter of connecting pin 41 is small compared with the outer diameter of resistance to fire end 42, and connecting pin 41 is set in 20 port of combustion gas guide tube simultaneously It is welded with combustion gas guide tube 20, the outer diameter of resistance to fire end 42 is suitable with 20 outer diameter of combustion gas guide tube.The center of resistance to duration and degree of heating 40 opens up in an axial direction There is centre bore 43, the aperture of centre bore 43 is substantially suitable with the outer diameter of 30 outer barrel 31 of burning torch, to be arranged burning torch 30.Fire resisting Several gas ports 44 are offered further around centre bore 43 on first 40, are flowed out for the combustion gas of combustion gas guide tube 20.Resistance to duration and degree of heating 40 Resistance to fire end 42 circumferential lateral surface on also radially offer several air passing holes 45, and the gas port of air passing hole 45 and corresponding position 44 connections, in this way, when combustion gas flows through gas port 44, Some gases can flow out and the air in air guide tube 10 through air passing hole 45 Premixing.

Fig. 7, Fig. 8 are please referred to, after heat-storage type burner assembling, 20 one end of combustion gas guide tube is set in air guide tube 10, combustion The combustion gas output terminal of conductance cylinder 20 is connected with resistance to duration and degree of heating 40, and burning torch 30 is set in combustion gas guide tube 20 and burning torch 30 stretches to In the centre bore 43 of resistance to duration and degree of heating 40, and do not stretched out from centre bore 43.In this way, air guide tube 10 conveys air, air is along air 10 inner wall of guide tube screws out, and 20 delivery of fuel gas of combustion gas guide tube, combustion gas is mainly flowed out from the gas port 44 of resistance to duration and degree of heating 40, burning torch 30 Firing tip lights the combustion gas collected with air, and burned flame is formed in resistance to 42 end of fire end.And Some gases are through combustion gas Air passing hole 45 on the leakage hole 23 of guide tube 20 and resistance to duration and degree of heating 40 flows into air guide tube 10 and is pre-mixed in a small amount with air, The mixability of combustion gas and air is improved, efficiency of combustion can be improved, save combustion gas.

Referring to Fig. 9, in addition, the igniting end structure of burning torch 30 is identical with the structure of 20 end of combustion gas guide tube.Burning torch 30 firing tip is equipped with Refractory blocks 39, and Refractory blocks 39 are connect with the combustion gas end that goes out of inner cylinder 32, and the outer diameter and inner cylinder of Refractory blocks 39 32 outer diameter is suitable, fuel gas hole, detection hole, igniting rod aperture and peep hole is axially offered out in Refractory blocks 39, for interior The combustion gas export of cylinder 32, detection hole are stretched out for flame detector connecting rod 34, and igniting rod aperture is stretched out for spark lever 33, is observed Position is corresponding on the same line with fire observation window 36 in hole.

Further, in order to improve the stationarity that combustion gas guide tube 20 is set in air guide tube 10, in combustion gas guide tube 20 Several lugs 24 are provided on peripheral wall lateral surface, after combustion gas guide tube 20 is arranged, lug 24 substantially in the peripheral wall of air guide tube 10 Patch is supported in side, so as to improve the stability of combustion gas guide tube 20.

The centrality of flame when further, in order to improve burning further increases a fire cover 13 in air guide tube 10, with Flame is limited to a fixed region, to concentrate heating to the object that need to be heated heating position.

To sum up, the air guide tube of this heat-storage type burner, combustion gas guide tube and burning torch are set in layered set type integral type, are stored Hot type burner overall structure is simple, by opening up the leakage hole of preset quantity on gas conduct pipe, air is made to flow into remittance Air has carried out the mixing of a small amount of combustion gas before collection end, and can improve air and combustion gas is sufficiently mixed degree, strengthens fuel gas buring Adequacy, saves energy, and also combustion efficiency is good for external flame during burning, and the security performance of burner is also improved.

Without departing from the thought that the utility model is created, arbitrary group is carried out to the various different embodiments of the utility model It closes, the utility model disclosure should all be considered as；In the range of the technology design of the utility model, technical solution is carried out The arbitrary combination for the thought created without prejudice to the utility model that a variety of simple modifications and different embodiments carry out, should all be at this Within the protection domain of utility model.

Claims (10)

1. a kind of heat-storage type burner, including air guide tube (10), combustion gas guide tube (20) and burning torch (30), air guide tube (10) air injection nozzle (11) is equipped with, combustion gas guide tube (20) is equipped with note combustion gas nozzle (21), it is characterised in that：Combustion gas guide tube (20) one end is set in air guide tube (10), and combustion gas guide tube (20) is in one section of cylinder being inserted in air guide tube (10) Leakage hole (23) is offered on wall, Some gases flow into air through leakage hole (23) and lead when making combustion is connected in combustion gas guide tube (20) It is closed in cylinder (10) with air pre-mixing, one end of burning torch (30) is set in combustion gas guide tube (20), and combustion gas guide tube (20) is sent Go out combustion gas to light with air guide tube (10) submitting air.

2. heat-storage type burner according to claim 1, it is characterised in that：The air injection nozzle (11) and air guide tube (10) tangent connection on the inside of barrel.

3. heat-storage type burner according to claim 1, it is characterised in that：The burning torch (30) including outer barrel (31), The inner cylinder (32) being set in outer barrel (31) and the spark lever (33) in inner cylinder (32).

4. heat-storage type burner according to claim 3, it is characterised in that：The outer barrel (31), which is connected, air injection tube Mouth (311), inner cylinder (32) connection have combustion gas to inject nozzle (321), and spark lever (33) one end has two electrodes (331), the other end It is sub (332) to hit fire end.

5. heat-storage type burner according to claim 3, it is characterised in that：Flame spy is provided on the burning torch (30) Device is surveyed, mounted on one end of inner cylinder (32), to detect the flame of inner cylinder (32) other end.

6. heat-storage type burner according to claim 3, it is characterised in that：Fire observation window is provided on the burning torch (30) (36), for the flame of the other end from one end of inner cylinder (32).

7. heat-storage type burner according to claim 1, it is characterised in that：Including resistance to duration and degree of heating (40), resistance to duration and degree of heating (40) packet The resistance to fire end (42) of connecting pin (41) and integrally connected is included, connecting pin (41) are socketed in combustion gas guide tube (20) port, resistance to duration and degree of heating (40) center offers centre bore (43) to be arranged burning torch (30).

8. heat-storage type burner according to claim 7, it is characterised in that：It is axially offered on the resistance to duration and degree of heating (40) Several gas ports (44) are flowed out for the combustion gas of combustion gas guide tube (20).

9. heat-storage type burner according to claim 8, it is characterised in that：The resistance to fire end (42) of the resistance to duration and degree of heating (40) Several air passing holes (45) are radially offered in circumferential lateral surface, and air passing hole (45) is connected with the gas port (44) of corresponding position.

10. heat-storage type burner according to claim 1, it is characterised in that：On the outside of the peripheral wall of the combustion gas guide tube (20) Several lugs (24) are provided on face, to after combustion gas guide tube (20) is arranged, the peripheral wall of lug (24) and air guide tube (10) Patch is supported in inside.