CN206682939U - Low emission dual combustion mode high-temperature burner - Google Patents
Low emission dual combustion mode high-temperature burner Download PDFInfo
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- CN206682939U CN206682939U CN201720414884.4U CN201720414884U CN206682939U CN 206682939 U CN206682939 U CN 206682939U CN 201720414884 U CN201720414884 U CN 201720414884U CN 206682939 U CN206682939 U CN 206682939U
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Abstract
The utility model discloses a kind of low emission dual combustion mode high-temperature burner, including burning body, fuel air mechanism, combustion air air inlet mechanism, igniter, flame temperature detector, flame detector and there is flame flameless combustion flame controller, fuel air mechanism is provided with gas valve, combustion air air inlet mechanism is provided with air-valve, the output end of temperature detector and the input of flame controller are connected, and the output end of flame controller is connected with the input of air-valve, gas valve.The utility model is by flame controller come adjusting air valve aperture, change the pressure that combustion air enters combustion chamber, change speed of the mixed gas by burner outlet so that fuel gas quickly enters combustion chamber, form strong smoke backflow, because reactant concentration reduces, conversion zone expands, and fuel burns under the atmosphere of high-temperature low-oxygen, flame front disappears, so that uniformity of temperature profile, and formation of nitrogen oxides is small, more securely and reliably.
Description
Technical field
The utility model belongs to burning heating equipment technical field, and in particular to a kind of low emission dual combustion mode high temperature combustion
Burner.
Background technology
The concentration for entering reactant before reaction zone in traditional combustion mode is high and temperature is low, enters in non flame combustion mode anti-
Answer that the concentration of reactant before area is low and temperature is high.Flameless combustion is a kind of gentle combustion mode under hypoxemia diluting condition, and it is special
Point is that reaction rate is low, localized heat release is few, heat flux distribution is uniform, the temperature difference is small in stove, combustion peak temperature is low, noise is minimum and nitrogen
Oxide (NOx) growing amount is small.
In order to realize flameless combustion, existing combustion technology is mainly to pass through complicated flow control technique, or by changing
Become the way of combustion tube discharge area, under the high temperature conditions, increase air velocity, to realize that high velocity air enters combustion chamber.
It is complicated using above-mentioned way, operation inconvenience, and also cost is higher, can not meet production requirement.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of low emission dual combustion mode high-temperature burner.
In order to achieve the above object, the technical solution of the utility model is as follows：
The utility model provides a kind of low emission dual combustion mode high-temperature burner, including：
Burn body, and burning body is provided with combustion tube, and combustion chamber is provided with combustion tube；
Fuel air mechanism, fuel air mechanism is arranged on burning body and its gas outlet is located in combustion chamber, fires
Material admission gear is provided with gas valve；
Combustion air air inlet mechanism, combustion air air inlet mechanism is arranged on burning body and its air outlet is located at combustion chamber
Interior, combustion air air inlet mechanism is provided with air-valve；
Igniter, it is arranged in combustion chamber；
The flame temperature detector and flame detector being arranged in combustion chamber, the output end of flame temperature detector with
The input connection of flame controller；
There are flame flameless combustion flame controller, including temperature detector and flame controller, the output end of temperature detector
It is connected with the input of flame controller, the output end of flame controller is connected with the input of air-valve, gas valve, for sensing
Temperature in combustion chamber comes adjusting air valve and gas valve.
The utility model is entered compared to prior art by temperature detector come the aperture of adjusting air valve, change combustion air
Enter the pressure of combustion chamber, change speed of the mixed gas by burner outlet so that fuel gas quickly enters combustion chamber
Room, strong smoke backflow is formed, because reactant concentration reduces, conversion zone expands, and fuel is under the atmosphere of high-temperature low-oxygen
Burning, flame front disappear so that uniformity of temperature profile, and formation of nitrogen oxides is small, more securely and reliably.
On the basis of above-mentioned technical proposal, following improvement can be also done：
As preferable scheme, above-mentioned fuel air mechanism includes fuel air pipe and at least one shower nozzle, shower nozzle bag
Include combustion case and at least one distribution plate, combustion case includes top-surface camber, lower surface camber and joint face, joint face respectively with upper song
Fuel-distributing chamber is formed between face, lower surface camber connection and three, distribution plate is provided with multiple dispensing orifices and it is vertically arranged at
In fuel-distributing chamber, joint face is provided with fuel inlet, and top-surface camber and lower surface camber are symmetrical arranged and the two surface is provided with some
Fuel outlet, fuel outlet are located in combustion chamber, and fuel air pipe is arranged on burning body and connected with fuel inlet, fires
Air valve is arranged on fuel air pipe.
Wherein, top-surface camber, the distance of lower surface camber for crescent and therebetween are by away from combustion chamber direction to close combustion
It is by gradually small setting greatly to burn chamber direction.
Using above-mentioned preferable scheme, shower nozzle uniformly separates fuel so that fuel is sufficiently mixed with combustion air, increase fire
The stability of flame burning, improves efficiency of combustion.
As preferable scheme, above-mentioned combustion air air inlet mechanism includes combustion air blast pipe, and combustion air blast pipe is set
In on burning body, air-valve is arranged on combustion air blast pipe.
Wherein, shower nozzle is annularly distributed, and fuel connecting tube is provided between two shower nozzles of arbitrary neighborhood.
Using above-mentioned preferable scheme, shower nozzle is annularly distributed, pressure fluctuation when multiple shower nozzles considerably reduce burning
Amplitude, it is beneficial to oscillation-damped burning, the stability of flame combustion is further improved, so as to improve efficiency of combustion.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of shower nozzle of the present utility model.
Fig. 3 is the structure top view of shower nozzle of the present utility model.
Fig. 4 is the structural representation of fuel air mechanism of the present utility model.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
In order to reach the purpose of this utility model, as shown in figure 1, being carried in one of which embodiment of the present utility model
For a kind of low emission dual combustion mode high-temperature burner, including：
Burn body 10, and burning body 10 is provided with combustion tube 11, and combustion chamber is provided with combustion tube 11；
Fuel air mechanism, fuel air mechanism is arranged on burning body 10 and its gas outlet is located in combustion chamber,
Fuel air mechanism is provided with gas valve 51；
Combustion air air inlet mechanism, combustion air air inlet mechanism is arranged on burning body 10 and its air outlet is located at combustion chamber
Interior, combustion air air inlet mechanism is provided with air-valve 61；
Igniter 20, it is arranged in combustion chamber；
The flame temperature detector and flame detector 30 being arranged in combustion chamber, the output end of flame temperature detector
It is connected with the input of flame detector；
There are flame flameless combustion flame controller, including temperature detector 40 and flame controller, the output of temperature detector
End is connected with the input of flame controller, and the output end of flame controller is connected with the input of air-valve, gas valve, for feeling
The temperature in combustion chamber is answered to come adjusting air valve and gas valve.
Present embodiment is entered compared to prior art by temperature detector come adjusting air valve aperture, change combustion air
The pressure of combustion chamber, changing speed of the mixed gas by burner outlet so that fuel gas quickly enters combustion chamber,
Strong smoke backflow is formed, because reactant concentration reduces, conversion zone expands, and fuel fires under the atmosphere of high-temperature low-oxygen
Burn, flame front disappears so that uniformity of temperature profile, and formation of nitrogen oxides is small, more securely and reliably.
According to actual conditions, flame controller passes through the logic realization flameless combustion of electronic component and cutting for flaming combustion
Change.
As shown in Figure 1 to Figure 3, in order to further optimize implementation result of the present utility model, of the present utility model another
In a kind of embodiment, on the basis of foregoing teachings, above-mentioned fuel air mechanism includes fuel air pipe 50 and a spray
First 52, shower nozzle 52 includes combustion case 520 and four distribution plates 521, and combustion case 520 includes top-surface camber, lower surface camber and connection
Face, joint face are connected with top-surface camber, lower surface camber and fuel-distributing chamber are formed between three respectively, and distribution plate 521 is provided with more
Individual dispensing orifice and its be vertically arranged in fuel-distributing chamber, joint face is provided with fuel inlet, and top-surface camber and lower surface camber are symmetrical
Set and the two surface is provided with some fuel outlets, fuel outlet is located in combustion chamber, and air intake duct 60 is arranged at burning
On body 10, it is connected with 10, gas valve 51 is arranged on fuel air pipe 50.
Wherein, top-surface camber, the distance of lower surface camber for crescent and therebetween are by away from combustion chamber direction to close combustion
It is by gradually small setting greatly to burn chamber direction.
Using above-mentioned preferable scheme, shower nozzle 52 uniformly separates fuel so that fuel is sufficiently mixed with combustion air, increase
The stability of flame combustion, improve efficiency of combustion.
As shown in figure 4, in order to further optimize implementation result of the present utility model, of the present utility model another real
Apply in mode, on the basis of foregoing teachings, above-mentioned combustion air air inlet mechanism includes combustion air blast pipe 60, combustion air air intake
Pipe 60 is arranged on burning body 10, and air-valve 61 is arranged on combustion air blast pipe 60.
Wherein, shower nozzle 52 is annularly distributed, and fuel connecting tube 53 is provided between two shower nozzles 52 of arbitrary neighborhood.
Using above-mentioned preferable scheme, shower nozzle 52 is annularly distributed, pressure when multiple shower nozzles 52 considerably reduce burning
Pulsation amplitude, it is beneficial to oscillation-damped burning, the stability of flame combustion is further improved, so as to improve efficiency of combustion.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (5)
1. low emission dual combustion mode high-temperature burner, it is characterised in that including：
Burn body, and burning body is provided with combustion tube, and combustion chamber is provided with combustion tube；
Fuel air mechanism, fuel air mechanism is arranged on burning body and its gas outlet is located in combustion chamber, and fuel enters
Mechanism of qi structure is provided with gas valve；
Combustion air air inlet mechanism, combustion air air inlet mechanism is arranged on burning body and its air outlet is located in combustion chamber, helps
Combustion wind air inlet mechanism is provided with air-valve；
Igniter, it is arranged in combustion chamber；
The flame temperature detector and flame detector being arranged in combustion chamber, the output end and flame of flame temperature detector
The input connection of controller；
There are flame flameless combustion flame controller, including temperature detector and flame controller, output end and the fire of temperature detector
The input connection of flame control, the output end of flame controller are connected with the input of air-valve, gas valve, burnt for sensing
Temperature in chamber comes adjusting air valve and gas valve.
2. low emission dual combustion mode high-temperature burner according to claim 1, it is characterised in that the fuel air machine
Structure includes fuel air pipe and at least one shower nozzle, and shower nozzle, which includes combustion case and at least one distribution plate, combustion case, to be included
Top-surface camber, lower surface camber and joint face, joint face are connected with top-surface camber, lower surface camber and fuel distribution cavity are formed between three respectively
Room, distribution plate is provided with multiple dispensing orifices and it is vertically arranged in fuel-distributing chamber, and joint face is provided with fuel inlet, on
Curved surface and lower surface camber are symmetrical arranged and the two surface is provided with some fuel outlets, and fuel outlet is located in combustion chamber, and fuel enters
Tracheae is arranged on burning body and connected with fuel inlet, and gas valve is arranged on fuel air pipe.
3. low emission dual combustion mode high-temperature burner according to claim 2, it is characterised in that the top-surface camber, under
Curved surface be crescent and distance therebetween by away from combustion chamber direction to being to be set by gradually small greatly close to combustion chamber direction
Put.
4. low emission dual combustion mode high-temperature burner according to claim 2, it is characterised in that the combustion air air intake
Mechanism includes combustion air blast pipe, and combustion air blast pipe is arranged on burning body, and air-valve is arranged on combustion air blast pipe.
5. low emission dual combustion mode high-temperature burner according to claim 4, it is characterised in that the shower nozzle is annular in shape
It is distributed, fuel connecting tube is provided between two shower nozzles of arbitrary neighborhood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720414884.4U CN206682939U (en) | 2017-04-19 | 2017-04-19 | Low emission dual combustion mode high-temperature burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720414884.4U CN206682939U (en) | 2017-04-19 | 2017-04-19 | Low emission dual combustion mode high-temperature burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682939U true CN206682939U (en) | 2017-11-28 |
Family
ID=60403712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720414884.4U Active CN206682939U (en) | 2017-04-19 | 2017-04-19 | Low emission dual combustion mode high-temperature burner |
Country Status (1)
| Country | Link |
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| CN (1) | CN206682939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979517A (en) * | 2017-04-19 | 2017-07-25 | 安德森热能科技（苏州）有限责任公司 | Low emission dual combustion mode high-temperature burner and its control method |
| CN109058988A (en) * | 2018-07-25 | 2018-12-21 | 郑州大学 | A kind of low nitrogen oxygen burner of gas burning kiln |
-
2017
- 2017-04-19 CN CN201720414884.4U patent/CN206682939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979517A (en) * | 2017-04-19 | 2017-07-25 | 安德森热能科技（苏州）有限责任公司 | Low emission dual combustion mode high-temperature burner and its control method |
| CN109058988A (en) * | 2018-07-25 | 2018-12-21 | 郑州大学 | A kind of low nitrogen oxygen burner of gas burning kiln |
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