CN209325776U - A kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise - Google Patents
A kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise Download PDFInfo
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- CN209325776U CN209325776U CN201822136030.1U CN201822136030U CN209325776U CN 209325776 U CN209325776 U CN 209325776U CN 201822136030 U CN201822136030 U CN 201822136030U CN 209325776 U CN209325776 U CN 209325776U
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Abstract
The utility model relates to a kind of water cooling wall burners of low full premixed device of nitrogen low consumption low noise, including gaseous mixture area, combustion zone, gas averaging board and water-cooling wall distribution pipe, described gas averaging board one end is connected to the gaseous mixture area, the gas averaging board other end is connected to the combustion zone, the water-cooling wall distribution pipe is set in the combustion zone, lighting-up tuyere is equipped in the combustion zone, the lighting-up tuyere is located at the side of the water-cooling wall distribution pipe.The utility model is by being arranged the gas averaging board between the gaseous mixture area and the combustion zone, it ensure that flammable mixed combustible gas body distributes the uniform and stable burning of pipe surface in the water-cooling wall, and the water-cooling wall distribution pipe in the combustion zone, it ensure that flammable mixed combustible gas body is in low-temperature burning on the surface of the water-cooling wall distribution pipe, so that the burning of flammable mixed combustible gas body is more abundant, low nitrogen low consumption low noise is achieved the effect that.
Description
Technical field
The utility model relates to technical field of burner, and in particular to a kind of water-cooling wall of the low full premixed device of nitrogen low consumption low noise
Burner.
Background technique
Currently, replacing coal-burning boiler scheme about the whole nation from the leadership to the masses, each province phase sequence is put into effect related boiler combustion row side and is wanted
It asks, new low-nitrogen discharged standard is come out of the stove within 2017, and especially Beijing has promulgated " Beijing's boiler air pollution emission standard ",
Discharged nitrous oxides limiting value drops to 30 milligrams/cubic metre by original 150Mg/ cubic meter.
New standard mainly emphasizes the discharge of nitrogen oxides, and discharge standard is divided into 2 stages, stops 2017 from implementation
On March 31, for newly-built boiler, discharged nitrous oxides standard has to be lower than 80 milligrams/cubic metre, and boiler
Have to be lower than 150 milligrams/cubic metre；From on April 1st, 2017, newly-built boiler discharged nitrous oxides standard had to be lower than 30
Milligram/cubic meter, boiler have to be lower than 80 milligrams/cubic metre.
Chinese patent CN201710176591.1 discloses a kind of multisection type all-premixing burner, including blower, valve group, combustion
Burner main body and combustion head, blower use frequency conversion fan, it is characterised in that: the combustion head include punched-plate, metal fiber felt,
Stainless steel ring, stainless steel plug, combustion head are divided into one section of combustion head and two sections of combustion heads again, are also possible to multi-section-combustion head, more
Segmentation combustion head particularly further includes connecting tube, is equipped with connection among one section of combustion head end and two sections of combustion head front end plugs
Pipe, one section of combustion head and two sections of combustion heads are penetrated through by connecting tube, the gaseous mixture that the preceding paragraph combustion head mixes pass through connecting tube into
Enter next section of combustion head, gaseous mixture can burn on surface in next section of combustion head.The invention is mainly used for that pot again is transformed
Furnace, for previous boiler, efficiency of combustion and nitrogen oxide emission have all obtained biggish promotion, but because flammable mixed
Fuel gas to be closed to burn on traditional temperature-resistant material surface, ignition temperature is higher, and cause burning to be not enough thoroughly, therefore its burning effect
There are also certain rooms for promotion for rate and nitrogen oxide emission.
In consideration of it, the burner for how designing a kind of low full premixed device of nitrogen low consumption low noise of low-temperature burning is this technology neck
Field technique personnel technical problem urgently to be resolved.
Summary of the invention
In order to solve the above-mentioned technical problem, technical solution provided by the utility model: a kind of low nitrogen low consumption low noise premixes entirely
The water cooling wall burner of device, including gaseous mixture area, combustion zone, gas averaging board and water-cooling wall distribution pipe, described gas averaging board one end and institute
The connection of gaseous mixture area is stated, the gas averaging board other end is connected to the combustion zone, and the water-cooling wall distribution pipe is set to the burning
In area, lighting-up tuyere is equipped in the combustion zone, the lighting-up tuyere is located at the side of the water-cooling wall distribution pipe.The utility model is logical
It crosses and the gas averaging board is set between the gaseous mixture area and the combustion zone, ensure that flammable mixed combustible gas body in the water
The cold wall distribution uniform and stable burning of pipe surface, and the water-cooling wall distribution pipe in the combustion zone, ensure that flammable mixing can
Combustion gas body is in low-temperature burning on the surface of the water-cooling wall distribution pipe, so that the burning of flammable mixed combustible gas body is more
Sufficiently, low nitrogen low consumption low noise has been achieved the effect that.
Preferably, the combustion zone is additionally provided with ignition temperature detection mouth, is equipped in the ignition temperature detection mouth for examining
Survey the thermometer of ignition temperature in the combustion zone.In the structure, detected by the thermometer of the ignition temperature detection mouth
The ignition temperature of the combustion zone, and then ignition temperature is controlled by the water-cooling wall distribution pipe, guarantee flammable mixed combustible gas body
Ignition temperature it is constant in low-temperature condition.
Preferably, the combustion zone is additionally provided with pressure detecting mouth, is equipped in the pressure detecting mouth for detecting the combustion
Burn the pressure gauge of pressure in area.In the structure, detected in the combustion zone by the pressure gauge in the pressure detecting mouth
Pressure, and then the combustion pressure of flammable mixed combustible gas body is controlled, guarantee that the burning in the combustion zone is sufficiently energy saving.
Preferably, the combustion zone is additionally provided with the flame-observing hole for observing the combustion zone flame combustion case.The knot
In structure, combustion case of the flammable mixed combustible gas body in the combustion zone is observed by the flame-observing hole, and then determine flammable
Whether the burning of mixed combustible gas body is abundant.
Preferably, the combustion zone is additionally provided with the fire defector mouth for detecting the combustion zone flame combustion case.
In the structure, the combustion zone flame is detected by the fire defector mouth, is judged by the flame combustion situation flammable
Whether the burning of mixed combustible gas body is abundant.
Preferably, the ignition temperature detection mouth, the flame-observing hole, the fire defector mouth, the lighting-up tuyere and described
Pressure detecting mouth is round hole.In the structure, round hole is easy to process, and good appearance.
Preferably, the water-cooling wall distribution pipe is evenly arranged in the combustion zone.In the structure, it is evenly arranged in described
The water-cooling wall distribution pipe in combustion zone ensure that ignition temperature is uniform and stable in the combustion zone, and burning more sufficiently saves
Energy.
Preferably, the inlet inside diameter in the gaseous mixture area is less than exit inside diameter.In the structure, the entrance in the gaseous mixture area
Pressure is greater than outlet pressure, ensure that the mixed combustible gas body in the gaseous mixture area will not occur to flow backwards phenomenon, can be orderly
Enter the combustion zone by the gas averaging board to burn.
Preferably, the gaseous mixture area is in broadening formation.In the structure, the pressure in the gaseous mixture area of broadening formation from
Entrance successively decreases step by step to outlet, to ensure that turbulent flow will not occur for the mixed combustible gas body in the gaseous mixture area.
Preferably, the gas averaging board and the water-cooling wall distribution pipe correspond.In the structure, further ensure described
The combustion pressure that the mixed combustible gas body in gaseous mixture area enters in water-cooling wall distribution pipe surface is uniform and stable, is full combustion
Provide necessary condition.
Compared with the prior art, the utility model has following advantageous effects:
(1) guaranteed in the utility model by the way that the gas averaging board is arranged between the gaseous mixture area and the combustion zone
Flammable mixed combustible gas body distributes pipe surface uniform and stable burning in the water-cooling wall, and the water cooling in the combustion zone
Wall distribution pipe ensure that flammable mixed combustible gas body is in low-temperature burning on the surface of the water-cooling wall distribution pipe, so that burning
More sufficiently energy conservation, has achieved the effect that low nitrogen low consumption low noise；
(2) the ignition temperature detection mouth, the flame-observing hole, the pressure are set in the combustion zone in the utility model
Detection mouth and the fire defector mouth can observe and detect in real time the combustion case in the combustion zone, guarantee that flammable mixing can
The burning substantially stabilized in the combustion zone of combustion gas body；
(3) gas averaging board described in the utility model is evenly arranged and corresponds with the water-cooling wall distribution pipe, ensure that
The combustion pressure of the water-cooling wall distribution pipe surface is uniform and stable, provides necessary item for the full combustion of mixed combustible gas body
Part；
(4) gaseous mixture area described in the utility model is set as broadening formation, it is ensured that the mixed gas in the gaseous mixture area
The uniform sequential surface that the water-cooling wall distribution pipe is entered by the gas averaging board, will not occur turbulent flow phenomenon.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1. gaseous mixture areas, 2. combustion zones, 21. ignition temperature detection mouths, 22. flame-observing holes, 23. fire defector mouths,
24. lighting-up tuyere, 25. pressure detecting mouths, 3. gas averaging boards, 4. water-cooling wall distribution pipes.
Specific embodiment
As shown in Figure 1, a kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise, including gaseous mixture area 1, combustion zone
2, gas averaging board 3 and water-cooling wall distribution pipe 4, described 3 one end of gas averaging board are connected to the gaseous mixture area 1,3 other end of gas averaging board
It is connected to the combustion zone 2, the water-cooling wall distribution pipe 4 is set in the combustion zone 2, is equipped with lighting-up tuyere in the combustion zone 2
24, the lighting-up tuyere 24 is located at the side of the water-cooling wall distribution pipe 4.In this specific embodiment, by the way that the gas averaging board 3 is set
It sets between the gaseous mixture area 1 and the combustion zone 2, ensure that flammable mixed combustible gas body in the water-cooling wall distribution pipe 4
Surface combustion pressure is uniform and stable, and the water-cooling wall distribution pipe 4 in the combustion zone 2, guarantees flammable mixed combustible gas body
Low-temperature burning is carried out on surface in the water-cooling wall distribution pipe 4, so that the burning of flammable mixed combustible gas body is more
Sufficiently, low nitrogen low consumption low noise has been achieved the effect that.
As shown in Figure 1, the combustion zone 2 is additionally provided with ignition temperature detection mouth 21, set in the ignition temperature detection mouth 21
There is the thermometer for detecting ignition temperature in the combustion zone 2.In this specific embodiment, the combustion zone 2 is additionally provided with burning
Temperature detection mouth 21, the interior thermometer being equipped with for detecting ignition temperature in the combustion zone 2 of the ignition temperature detection mouth 21,
The ignition temperature of the combustion zone 2 is detected by the thermometer of the ignition temperature detection mouth 21, and then according to detected
Ignition temperature adjusts corresponding ignition temperature by the water-cooling wall distribution pipe 4, guarantees the ignition temperature of flammable mixed combustible gas body
It is constant under low-temperature condition.
As shown in Figure 1, the combustion zone 2 is additionally provided with pressure detecting mouth 25, it is equipped in the pressure detecting mouth 25 for examining
Survey the pressure gauge of pressure in the combustion zone 2.In this specific embodiment, the combustion zone 2 is additionally provided with pressure detecting mouth 25, described
The pressure gauge for detecting pressure in the combustion zone 2 is equipped in pressure detecting mouth 25, by the pressure detecting mouth 25
Pressure gauge detects the pressure in the combustion zone 2, according to pressure value detected and then controls flammable mixed in the combustion zone 2
The combustion pressure for closing fuel gas, guarantees that the burning in the combustion zone 2 is sufficiently energy saving.
As shown in Figure 1, the combustion zone 2 is additionally provided with the flame-observing hole for observing the 2 flame combustion case of combustion zone
22.In this specific embodiment, the combustion zone 2 is additionally provided with the flame-observing hole for observing the 2 flame combustion case of combustion zone
22, by the combustion case of flammable mixed combustible gas body in combustion zone 2 described in 22 observable of flame-observing hole, determine flammable mixing
Whether the burning of fuel gas is abundant, and then adjusts combustion flame in the combustion zone 2 according to judgement result.
As shown in Figure 1, the combustion zone 2 is additionally provided with the inspection of the flame for detecting the 2 flame combustion case of combustion zone
Survey mouth 23.In this specific embodiment, the combustion zone 2 is additionally provided with the fire for detecting the 2 flame combustion case of combustion zone
Flame detection mouth 23 detects the flame combustion situation in the combustion zone 2 by the fire defector mouth 23, judges that flammable mixing can
Whether the burning of combustion gas body is abundant, and then adjusts combustion flame in the combustion zone 2 according to judging result.
As shown in Figure 1, the ignition temperature detection mouth 21, the flame-observing hole 22, the fire defector mouth 23, the igniting
Mouth 24 and the pressure detecting mouth 25 are round hole.In this specific embodiment, the ignition temperature detection mouth 21, sight fire
Hole 22, the fire defector mouth 23, the lighting-up tuyere 24 and the pressure detecting mouth 25 are round hole, on the combustion zone 2
Round hole easy making process, and good appearance.
As shown in Figure 1, the water-cooling wall distribution pipe 4 is evenly arranged in the combustion zone 2.In this specific embodiment, lead to
It crosses and the water-cooling wall distribution pipe 4 is evenly arranged in the combustion zone 2, ensure that the ignition temperature in the combustion zone 2 is equal
Even stabilization, burning also more sufficiently energy conservation.
As shown in Figure 1, the inlet inside diameter in the gaseous mixture area 1 is less than exit inside diameter.In this specific embodiment, the mixing
The inlet pressure in gas area 1 is greater than outlet pressure, thus ensure that the mixed combustible gas body in the gaseous mixture area 1 will not be flow backwards,
And it can orderly be entered in the combustion zone 2 by the gas averaging board 3 and be burnt.
As shown in Figure 1, the gaseous mixture area 1 is in broadening formation.In this specific embodiment, the gaseous mixture area 1 is set as loudspeaker
The shape of the mouth as one speaks, so that the pressure in the gaseous mixture area 1 is successively decreased step by step from the inlet to the outlet, to ensure that the gaseous mixture area
Turbulent flow will not occur for the mixed combustible gas body in 1.
As shown in Figure 1, the gas averaging board 3 is corresponded with the water-cooling wall distribution pipe 4.It is described in this specific embodiment
Gas averaging board 3 and the water-cooling wall distribution pipe 4 correspond, to further ensure the mixed combustible gas in the gaseous mixture area 1
The combustion pressure that body enters on 4 surface of water-cooling wall distribution pipe is uniform and stable, provides necessary condition for full combustion.
In order to further illustrate the technical effect of the utility model, the workflow that the utility model is described below in detail is given
To illustrate.
Flammable mixed combustible gas body and air enter in the gaseous mixture area 1 after mixing by full premixed device, described
Flammable mixed combustible gas body passes through the water-cooling wall distribution pipe 4 that the gas averaging board 3 reaches the combustion zone 2, the water-cooling wall
Flammable mixed combustible gas body is uniformly distributed the surface in the water-cooling wall distribution pipe 4 by distribution pipe 4, then according to logical program
Igniter starts ignition at the lighting-up tuyere 24, so that flammable mixed combustible gas body is distributed in the water-cooling wall
The surface of pipe 4 forms the cold flame of stable and uniform, and the ignition temperature detection mouth by being arranged in the combustion zone 2
21, the flame-observing hole 22, the pressure detecting mouth 25 and the fire defector mouth 23, observe and detect in real time the combustion zone 2
Interior combustion case, and then guarantee the burning substantially stabilized in the combustion zone 2 of flammable mixed combustible gas body.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model.
Claims (10)
1. a kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise, which is characterized in that including gaseous mixture area (1), burning
Area (2), gas averaging board (3) and water-cooling wall distribution pipe (4), described gas averaging board (3) one end is connected to the gaseous mixture area (1), described
Gas averaging board (3) other end is connected to the combustion zone (2), and the water-cooling wall distribution pipe (4) is set in the combustion zone (2), institute
It states in combustion zone (2) and is equipped with lighting-up tuyere (24), the lighting-up tuyere (24) is located at the side of the water-cooling wall distribution pipe (4).
2. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 1, which is characterized in that the combustion
It burns area (2) to be additionally provided with ignition temperature detection mouth (21), be equipped in the ignition temperature detection mouth (21) for detecting the burning
The thermometer of area (2) interior ignition temperature.
3. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 2, which is characterized in that the combustion
It burns area (2) to be additionally provided with pressure detecting mouth (25), be equipped in the pressure detecting mouth (25) for detecting the combustion zone (2) internal pressure
The pressure gauge of power.
4. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 3, which is characterized in that the combustion
It burns area (2) and is additionally provided with the flame-observing hole (22) for observing the combustion zone (2) flame combustion case.
5. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 4, which is characterized in that the combustion
It burns area (2) and is additionally provided with the fire defector mouth (23) for detecting the combustion zone (2) flame combustion case.
6. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 5, which is characterized in that the combustion
Burn temperature detection mouth (21), the flame-observing hole (22), the fire defector mouth (23), the lighting-up tuyere (24) and pressure inspection
Surveying mouth (25) is round hole.
7. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 6, which is characterized in that the water
Cold wall distribution pipe (4) is evenly arranged in the combustion zone (2).
8. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 7, which is characterized in that described mixed
The inlet inside diameter in the area He Qi (1) is less than exit inside diameter.
9. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 8, which is characterized in that described mixed
The area He Qi (1) is in broadening formation.
10. the water cooling wall burner of the low full premixed device of nitrogen low consumption low noise according to claim 9, which is characterized in that described
Gas averaging board (3) and the water-cooling wall distribution pipe (4) correspond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136030.1U CN209325776U (en) | 2018-12-19 | 2018-12-19 | A kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136030.1U CN209325776U (en) | 2018-12-19 | 2018-12-19 | A kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise |
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| CN209325776U true CN209325776U (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442404A (en) * | 2018-12-19 | 2019-03-08 | 陕西环通标准锅炉有限公司 | A kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise |
-
2018
- 2018-12-19 CN CN201822136030.1U patent/CN209325776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442404A (en) * | 2018-12-19 | 2019-03-08 | 陕西环通标准锅炉有限公司 | A kind of water cooling wall burner of the low full premixed device of nitrogen low consumption low noise |
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