CN217899895U - Heating primary wind methane burner for garbage power plant - Google Patents
Heating primary wind methane burner for garbage power plant Download PDFInfo
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- CN217899895U CN217899895U CN202221139693.9U CN202221139693U CN217899895U CN 217899895 U CN217899895 U CN 217899895U CN 202221139693 U CN202221139693 U CN 202221139693U CN 217899895 U CN217899895 U CN 217899895U
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Abstract
The utility model relates to a heating primary air biogas burner for a garbage power plant, which belongs to an environment-friendly device in the garbage power plant. The burner shell comprises a straight pipe section and a bent pipe section, the bent pipe section is horizontally sealed and inserted with a burner with the exposed rear end, the front part of the burner is arranged in the burner shell, the front end of the burner is connected with a fire protection plate, primary air cyclone blades are arranged on two sides of the fire protection plate, one side of the burner, which is positioned in the burner shell, is connected with a combustion-supporting air inlet pipe, an air valve is arranged on a combustion-supporting air inlet, and the direction of the combustion-supporting air inlet is consistent with the direction of the primary air inlet of the bent pipe section of the burner. The utility model has the advantages of realizing the biogas treatment, reducing the pollution emission and fully utilizing the biogas resource.
Description
Technical Field
The utility model relates to a rubbish power plant is used for heating primary air biogas burner behind the air preheater, and this combustor utilizes the abundant marsh gas burning back-heating air preheater back wind in power plant's garden.
Background
In order to adapt to the development of urbanization and solve the problem of the refuse surrounding, a plurality of cities establish a relatively large-scale refuse power plant, and other related processing facilities, such as a biomass processing plant, a leachate processing plant, a slag processing plant and the like, are also established around the refuse power plant to form a set of circular economy comprehensive park.
Daily operation treatment in gardens can produce a large amount of marsh gas, and marsh gas is a renewable clean energy, and present many gardens all adopt torch direct combustion to discharge, and the energy not only is wasted to marsh gas of this mode processing, and direct combustion discharges and also can cause a bit pollution to the environment moreover, does not conform to ecological civilization spirit.
In combination with the actual situation of the park, a set of equipment suitable for automatically treating the biogas in the park is needed to be designed, so that the pollution is reduced, and the equipment is effectively utilized as a resource.
Disclosure of Invention
The utility model provides a wind marsh gas burner is once used in heating of garbage power plant, it can realize marsh gas and handle, reduces pollution emission to make the marsh gas resource obtain make full use of.
In order to realize the purpose of the invention, the utility model adopts the technical proposal that:
the burner comprises a burner shell, wherein the burner shell comprises a straight pipe section and a bent pipe section, the bent pipe section is horizontally sealed and interpenetrated with a burner with the exposed rear end, the front part of the burner is arranged in the burner shell, the front end of the burner is connected with a fire protection plate, two sides of the fire protection plate are provided with primary air cyclone blades, one side of the burner positioned in the burner shell is connected with a combustion-supporting air inlet pipe, an air valve is arranged on the combustion-supporting air inlet, and the orientation of the combustion-supporting air inlet is consistent with the orientation of the primary air inlet of the bent pipe section of the burner.
The combustor comprises a combustion-supporting air cavity, a biogas conveying pipe is horizontally arranged in the combustion-supporting air cavity, the air inlet end of the biogas conveying pipe provided with a biogas adjusting valve is exposed out of the combustion-supporting air cavity, the air outlet end of the biogas conveying pipe is provided with a combustor nozzle, one side of the combustor nozzle is provided with a high-energy igniter, and combustion-supporting air cyclone blades are arranged on two sides of the combustor nozzle.
An ultraviolet flame detector is arranged on one side of the fire protection plate.
The straight pipe section of the burner shell is provided with a fire viewing mirror.
The marsh gas after the garden pretreatment is sent into after the booster fan pressure boost the utility model discloses a combustor burning, the heating is at the air of steam air preheater primary air after preheating, then sends into together and burns burning furnace, and the flue gas after burning in the same stove is together through processing such as flue gas processing system deacidification denitration, emits into the atmosphere through the chimney.
The utility model discloses can effectively absorb the marsh gas that power plant garden produced, avoid the energy waste that causes through torch direct combustion, simultaneously, the heat heating primary air after the rational utilization marsh gas burning to adjust the wind temperature through the steam air preheater, realize that the steam extraction volume of steam air preheater reduces, unnecessary steam is used for the electricity generation, has improved the generated energy, has increased the income.
When the burner has faults of incapability of ignition and the like, the biogas directly enters the incinerator for combustion after being mixed with air through the burner, and the heat energy generated by biogas combustion can be utilized to improve the generated energy and increase the benefit.
The beneficial effects of this technical scheme still lie in the flue gas processing system of rational utilization garden power plant, reduce the emission of pollutant, make the marsh gas combustion products discharge up to standard.
Drawings
FIG. 1 is a schematic diagram of the construction of an embodiment of the present invention;
fig. 2 shows a system block diagram of an embodiment of the present invention in application.
Detailed Description
Fig. 1 shows a burner of the present embodiment. The combustor shell 1 comprises a left bent pipe section and a right straight pipe section, the left bent pipe section is horizontally sealed and inserted with a combustor with the rear end exposed, the front portion of the combustor is arranged in the combustor shell 1, the combustor comprises a combustion-supporting air cavity 9, a methane conveying pipe 10 is horizontally arranged on the vertical centerline of the combustion-supporting air cavity 9, the air inlet end of the methane conveying pipe 10 provided with a methane adjusting valve 14 is exposed in the combustion-supporting air cavity 9, the air outlet end of the methane conveying pipe 10 is provided with a combustor nozzle 6, the front end of the combustion-supporting air cavity 9 close to the combustor nozzle 6 is narrowed and then connected with a fire protection plate 3, the area of the fire protection plate 3 is large, and primary air cyclone blades 4 are arranged on two sides of the fire protection plate. One side of the burner nozzle 6 is provided with a high-energy igniter 8, and two sides of the burner nozzle 6 are provided with combustion-supporting air cyclone blades 7. And one side of a combustion-supporting air cavity 9 in the combustor shell 1 is connected with a combustion-supporting air inlet pipe 11, an air valve 12 is arranged on a combustion-supporting air inlet of the combustion-supporting air inlet pipe 11, and the direction of the combustion-supporting air inlet is consistent with the direction of a primary air inlet 13 of a combustor bent pipe section. An ultraviolet flame detector 5 is arranged on one side of the fire protection plate 3. The straight pipe section of the burner shell 1 is provided with a fire viewing mirror 2.
Fig. 2 shows a system block diagram of the present embodiment in practical application. The marsh gas after the garden pretreatment is sent into behind booster fan pressure boost 26 the utility model discloses a combustor 22 burns, and the heating is at the primary air after steam air preheater 21 preheats, then sends into together and burns burning furnace 23, and the flue gas after burning together in the stove is through handling such as flue gas processing system 24 deacidification denitration, discharges into the atmosphere through chimney 25.
In the conventional burner design scheme, a special combustion air channel is provided, and a fan is provided, so that special site arrangement needs to be additionally added. However, when planning a waste incineration power plant, the arrangement planning of a combustor scheme is not generally done. Therefore, the site is not sufficient, and auxiliary equipment such as a combustion fan is not arranged.
The utility model discloses a combustor, marsh gas get into the combustor by marsh gas conveyer pipe 10, are furnished with electronic marsh gas governing valve 14 on the conveyer pipe 10 and adjust the marsh gas air input, according to the blast gate 12 of the combustion-supporting air inlet pipe 11 of combustion ratio automatically regulated to match the required combustion-supporting amount of wind of marsh gas burning. In order to make up for the insufficient wind pressure of the combustion-supporting wind, the fire protection plate 3 is made to be large enough, so that the wind resistance is increased, and the wind speed of the combustion-supporting wind is improved. Combustion-supporting air enters the combustion-supporting air cavity 9, is subjected to pressure stabilization and then is discharged by the combustion-supporting air cyclone blades 7 in a swirling manner, and the combustion stability is ensured. The combustion-supporting air flows out in a swirling manner, so that the stability of the flame can be ensured, and the flame is prevented from being overlong. The high-energy igniter 8 is arranged at the outlet position of the combustion-supporting air cyclone blade 7, because the combustor adopts non-premixed combustion, the possibility of backfire does not exist, the high-energy igniter 8 does not adopt a forward and backward type, but adopts a fixed type, the problems that the high-energy igniter 8 is complex to control and is easy to break down due to forward and backward movement are avoided, and the failure rate is reduced. The fire protection plate 3 can well protect combustion and avoid the influence of high temperature on the outer wall of the combustor. Meanwhile, the primary air cyclone blades 4 ensure that primary air swirls out, can be quickly and effectively mixed with flue gas generated after biogas combustion, also ensure the cooling of the outer wall of the combustor, quickly realize the temperature stability of the mixed gas of the primary air and the flue gas, and meet the primary air temperature required by the combustion of the incinerator 23. Meanwhile, the burner is provided with an ultraviolet flame detector 5 to ensure normal ignition or flameout. The fire observation sight glass 2 is also arranged on the combustor cavity, so that field operators can observe the combustion condition of the combustor on the spot. The combustor is connected from the return bend, can effectively guide the wind of once and get into combustion-supporting wind passageway, also can effectively reduce combustor overall structure length, reduces and arranges the space demand.
The combustor has the advantages that a combustion-supporting fan and a combustion-supporting air channel in the conventional design are omitted, the cost is saved, the field arrangement difficulty is reduced, primary air is directly used as combustion-supporting air for combustion, external air taking can be avoided, the whole system can be in a sealed state, and the primary air odor is prevented from leaking outside to cause environmental pollution.
The combustor has the advantages that the double-cyclone blades are arranged, the combustion-supporting cyclone blades 7 ensure stable combustion, the primary cyclone blades 4 ensure quick mixing of flue gas and primary air after combustion, and the air temperature is stable.
The combustor has the advantages that the combustor is an independent device, the size of the outer shell of the combustor can be customized according to the needs of customers, then the outer shell is directly connected to a primary air pipeline, and in the actual process of engineering, the primary air pipeline does not need to be modified. The whole body can be replaced when in maintenance and replacement.
Claims (4)
1. The utility model provides a garbage power plant is with wind marsh gas combustor of heating, includes combustor shell, its characterized in that: the combustor shell comprises a straight pipe section and a bent pipe section, the bent pipe section is horizontally sealed and interpenetrated with a combustor with the exposed rear end, the front part of the combustor is arranged in the combustor shell, the front end of the combustor is connected with a fire protection disc, primary air cyclone blades are arranged on two sides of the fire protection disc, one side of the combustor positioned in the combustor shell is connected with a combustion-supporting air inlet pipe, an air valve is arranged on the combustion-supporting air inlet, and the orientation of the combustion-supporting air inlet is consistent with the orientation of the primary air inlet of the bent pipe section of the combustor.
2. The utility model provides a rubbish power plant is with wind marsh gas combustor of heating which characterized in that: the combustor comprises a combustion-supporting air cavity, a methane conveying pipe is horizontally arranged in the combustion-supporting air cavity, the air inlet end of the methane conveying pipe provided with a methane adjusting valve is exposed out of the combustion-supporting air cavity, the air outlet end of the methane conveying pipe is provided with a combustor nozzle, one side of the combustor nozzle is provided with a high-energy igniter, and combustion-supporting air cyclone blades are arranged on two sides of the combustor nozzle.
3. The utility model provides a rubbish power plant is with wind marsh gas combustor of heating which characterized in that: an ultraviolet flame detector is arranged on one side of the fire protection plate.
4. The utility model provides a garbage power plant is with heating primary air marsh gas combustor which characterized in that: the straight pipe section of the burner shell is provided with a fire viewing mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221139693.9U CN217899895U (en) | 2022-05-13 | 2022-05-13 | Heating primary wind methane burner for garbage power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221139693.9U CN217899895U (en) | 2022-05-13 | 2022-05-13 | Heating primary wind methane burner for garbage power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217899895U true CN217899895U (en) | 2022-11-25 |
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ID=84110187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221139693.9U Active CN217899895U (en) | 2022-05-13 | 2022-05-13 | Heating primary wind methane burner for garbage power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217899895U (en) |
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2022
- 2022-05-13 CN CN202221139693.9U patent/CN217899895U/en active Active
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