CN202082926U - Sub-speed temperature regulating burning nozzle - Google Patents
Sub-speed temperature regulating burning nozzle Download PDFInfo
- Publication number
- CN202082926U CN202082926U CN2011201187604U CN201120118760U CN202082926U CN 202082926 U CN202082926 U CN 202082926U CN 2011201187604 U CN2011201187604 U CN 2011201187604U CN 201120118760 U CN201120118760 U CN 201120118760U CN 202082926 U CN202082926 U CN 202082926U
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- combustion
- burner
- burning nozzle
- air
- gas
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Abstract
The utility model discloses a sub-speed temperature regulating burning nozzle, which comprises a burning nozzle main body and burning nozzle bricks connected with each other. A combustion chamber is arranged in the burning nozzle main body; a combustion-supporting air pipe and a cold air mixing pipe are arranged on the burning nozzle main body and are divided into two channels to supply air; gas and combustion-supporting air are ignited by an electronic igniter arranged on the burning nozzle main body to burn in the combustion chamber; one part of the cold doping air discharged from the cold doping air pipe is introduced into the combustion chamber so that the gas is further mixed and burned; and the other part of the cold doping air is introduced into the burning nozzle brick through a gap between a combustion cylinder and the burning nozzle main body. The combustion-supporting air and the cold doping air are independently controlled by the sub-speed temperature regulating burning nozzle; air is supplied by two channels; the gas is burned in the combustion chamber by the combustion-supporting air; the cold doping air is divided into two parts and is then introduced; one part is introduced into the combustion chamber by small holes peripherally distributed on the combustion cylinder so as to ensure that no open flame exists in the outlet; moreover, the other part is introduced into the burning nozzle bricks by a gap of the combustion cylinder and the burning nozzle main body so as to regulate the temperature.
Description
Technical field
The utility model relates to the burner field, especially relates to a kind of inferior high velocity temperature adjusting burner that is used on the heat-treatment furnace.
Background technology
At present, on various heat treatment of workpieces stoves, the basic high combustion rate burner that adopts is as burner, coal gas flows in combustion barrel according to a certain percentage with air and mixes, and mist is at cylinder roasting 80%-95%, and all the other are completing combustion in burner hearth, a large amount of hot gas are with the high speed ejection of 100-300m/s, in stove, produced strong convection heat transfer' heat-transfer by convection, and because the strong agitation of a large amount of gases makes the interior temperature of stove reach even.Yet, there are following two point defects in actual use in this kind mode: 1. because some flame enters the burner hearth burning, just inevitably having flame directly touches workpiece for this, causes the localized hyperthermia of workpiece, and during low-temperature condition, temperature is difficult for regulating; 2. because the high speed of flame flows out, can produce bigger noise, very unfavorable to site environment.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of inferior high velocity temperature adjusting burner at problems of the prior art, its objective is to guarantee the burner exit flames of anger, and temperature regulating range is big, and the temperature in the stove is even, and simultaneously, noise is lower.
The technical solution of the utility model is the inferior high velocity temperature adjusting burner of this kind, comprise the burner body and the burner block that are connected, be provided with the combustion chamber in the burner body, being positioned at described burner body is provided with combustion-supporting airduct and mixes cool air hose, and combustion-supporting airduct and mix cool air hose and divide two passes supply air, coal gas and combustion air are struck sparks in the combustion chamber internal combustion by the ignition that is arranged on the burner body, enter the combustion chamber from the described cold wind part of mixing of coming out the cool air hose of mixing, make the further mixed combustion of coal gas, rise simultaneously and transfer short flamed purpose, another part is mixed cold wind and is entered burner block by the slit between combustion barrel and the burner body, plays the purpose of temperature adjustment.
The passage that described burner body is connected with gas pipe is provided with gas stop valve, and by PLC control, gas stop valve receives and is installed in the signal that the flame detector on the burner body sends.
Circumferentially being distributed with of described combustion barrel is convenient to mix the aperture that cold wind enters combustion barrel.
Described little centerline hole and horizontal direction angle β are 35 °-50 °.
Inferior high velocity temperature adjusting burner with above-mentioned special construction has the following advantages:
1, the inferior high velocity temperature adjusting burner of this kind make combustion air, mix cold wind and control separately, divide two passes supply air, combustion air makes coal gas in the combustion chamber internal combustion, mixes cold wind and divides two parts to enter, and a part enters the combustion chamber by the aperture that circumferentially distributes on the combustion barrel, guarantee imperfect combustion coal gas completing combustion, rise simultaneously and transfer short flamed purpose, guarantee the exit flames of anger, a part enters burner block by the slit of combustion barrel and burner body, mix with burning gases, play the purpose of temperature adjustment.
2, the inferior high velocity temperature adjusting burner of this kind has guaranteed that the muzzle velocity of combustion gas is low to moderate about inferior high speed 100m/s, thereby has reduced noise by the rational allocation of combustor exit diameter; Simultaneously, when flame detector detects burner flame because extraneous cause when flame-out phenomenon occurring, gas stop valve can cut off the coal gas of this burner automatically, avoids occurring because the danger that gas leak is blasted in the stove has guaranteed the safety in production of stove.
3, the inferior high velocity temperature adjusting burner of this kind is easy to operate, and temperature regulating range is big.Only mix the size of cold blast rate by adjusting, the burner block gas outlet temperature is changed in 300-1000 degree scope, temperature is easily regulated control, and is reliable; Energy resource consumption is low, and the coal gas consumption is little, and simultaneously, temperature homogeneity improves greatly.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of structure shown in Figure 1.
In Fig. 1,1: gas stop valve; 2: gas pipe; 3: combustion-supporting airduct; 4: mix cool air hose; 5: burner body; 6: the combustion chamber; 7: combustion barrel; 8: burner block; 9: ignition; 10: flame detector; 11: peep-hole; 12: aperture; 13: combustor exit; 14: the slit of burner shell.
The specific embodiment
By the combination of structure shown in Fig. 1-2 as can be known, the inferior high velocity temperature adjusting burner of this kind comprises burner body 5 and the burner block 8 that is connected, be provided with combustion chamber 6 and combustion barrel 7 in the burner body 5, the 3 row's apertures 12 that circumferentially distributing on the combustion barrel 7, aperture 12 is 45 ° with horizontal direction angle β.Be positioned at burner body 5 and be provided with combustion-supporting airduct 3 and mix cool air hose 4, and combustion-supporting airduct 3 and mix cool air hose two passes supply in 4 fens air.Combustion air make coal gas in the combustion chamber 6 internal combustion.Coal gas and combustion air are by being arranged on the ignition 9 sparking burnings on the burner body 5.Mixing cold wind divides two parts to enter, part cold wind enters the combustion chamber along the aperture 12 that circumferentially distributes on the combustion barrel 7 with horizontal direction angle β angle at 45, guarantee imperfect combustion coal gas completing combustion, simultaneously, because the increase of air quantity, play and transfer short flamed purpose, guarantee the combustion barrel 7 exit flames of angers; Part cold wind flows along combustion barrel 7 walls, reduce the temperature of combustion barrel 7 walls, and enter burner block 8 by the slit 14 of combustion barrel 7 and burner shell, the high-temperature gas that comes out with combustion chamber 6 mixes, by the adjusting of cold blast rate size, can regulate burner block 8 gas outlet temperatures easily.When gas sprays at a high speed, can produce noise,, reduce the speed of air-flow, simultaneously noise be eliminated by adjusting the size of combustion chamber 6 outlets 13 diameters.Can be observed the flame burning situation by peep-hole 11.
The passage that burner body 5 is connected with gas pipe 2 is provided with gas stop valve 1, and by PLC control, gas stop valve 1 receives and is installed in the signal that the flame detector 10 on the burner body 5 sends.When flame detector 10 detects burner flame because extraneous cause when flame-out phenomenon occurring, gas stop valve 1 can cut off the coal gas of this burner automatically, avoids occurring because the danger that gas leak is blasted in the stove guarantees the stove safety in production.
Claims (4)
1. inferior high velocity temperature adjusting burner, comprise the burner body (5) and the burner block (8) that are connected, be provided with combustion chamber (6) in the burner body (5), it is characterized in that: be positioned at described burner body (5) and be provided with combustion-supporting airduct (3) and mix cool air hose (4), and combustion-supporting airduct (3) and mix cool air hose (4) and divide two passes supply air, coal gas and combustion air are struck sparks in the combustion chamber internal combustion by the ignition (9) that is arranged on the burner body (5), enter the combustion chamber from the described cold wind part of mixing of coming out the cool air hose (4) of mixing, make the further mixed combustion of coal gas, another part is mixed cold wind and is entered burner block (8) by the slit between combustion barrel (7) and the burner body.
2. inferior high velocity temperature adjusting burner according to claim 1, it is characterized in that: the passage that described burner body (5) is connected with gas pipe (2) is provided with gas stop valve (1), by PLC control, gas stop valve (1) receives and is installed in the signal that the flame detector (10) on the burner body (5) sends.
3. inferior high velocity temperature adjusting burner according to claim 1 and 2 is characterized in that: circumferentially being distributed with of described combustion barrel (7) is convenient to mix the aperture (12) that cold wind enters combustion barrel (7).
4. inferior high velocity temperature adjusting burner according to claim 3 is characterized in that: the center line of described aperture (12) and the angle β of horizontal direction are 35 °-50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201187604U CN202082926U (en) | 2011-04-21 | 2011-04-21 | Sub-speed temperature regulating burning nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201187604U CN202082926U (en) | 2011-04-21 | 2011-04-21 | Sub-speed temperature regulating burning nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082926U true CN202082926U (en) | 2011-12-21 |
Family
ID=45343552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201187604U Expired - Fee Related CN202082926U (en) | 2011-04-21 | 2011-04-21 | Sub-speed temperature regulating burning nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226524A (en) * | 2011-04-21 | 2011-10-26 | 马鞍山钢铁股份有限公司 | Sub-high speed thermostatic burner |
| CN104776434A (en) * | 2015-04-27 | 2015-07-15 | 淄博万方窑炉工程有限责任公司 | Nozzle for blast furnace gas oven |
-
2011
- 2011-04-21 CN CN2011201187604U patent/CN202082926U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226524A (en) * | 2011-04-21 | 2011-10-26 | 马鞍山钢铁股份有限公司 | Sub-high speed thermostatic burner |
| CN104776434A (en) * | 2015-04-27 | 2015-07-15 | 淄博万方窑炉工程有限责任公司 | Nozzle for blast furnace gas oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20150421 |
|
| EXPY | Termination of patent right or utility model |