CN214937253U - Gasification furnace for garbage pyrolysis - Google Patents
Gasification furnace for garbage pyrolysis Download PDFInfo
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- CN214937253U CN214937253U CN202120229642.4U CN202120229642U CN214937253U CN 214937253 U CN214937253 U CN 214937253U CN 202120229642 U CN202120229642 U CN 202120229642U CN 214937253 U CN214937253 U CN 214937253U
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- furnace body
- furnace
- outlet pipe
- water
- synthesis gas
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 35
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 29
- 238000002309 gasification Methods 0.000 title claims description 16
- 239000002893 slag Substances 0.000 claims abstract description 24
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 23
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000013049 sediment Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 27
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 38
- 238000002156 mixing Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a gasifier for rubbish pyrolysis, including furnace body, ignition combustor, cold sediment ware, synthetic gas subassembly, upper portion one side of furnace body sets up the pan feeding mouth, and the bottom sets up the exhaust pipe entry, the bottom of cold sediment ware setting in the furnace body is used for cooling off and discharging the slag, the combustible gas discharge that the upper portion of synthetic gas subassembly setting in the furnace body was used for producing rubbish behind the furnace body pyrolysis carries out the clean burning, cold sediment ware is connected with the slag notch of furnace body bottom. The utility model can completely purify, burn and treat the synthesis gas with different components and different states generated in the garbage pyrolysis process; thereby ensuring that a large amount of dioxin is not generated.
Description
Technical Field
The utility model belongs to the technical field of low heat value biosolids, medical treatment danger are useless, solid waste wait to handle, concretely relates to a gasifier for rubbish pyrolysis.
Background
With the economic development of China, the domestic garbage is increased at a speed of 8% -10% per year, the total amount of garbage treatment in China is about 2 hundred million tons every year, two thirds of cities do not have suitable landfill sites, and the embarrassment of the garbage surrounding city brings serious threats to the environmental and ecological safety of China.
At present, the garbage disposal mode in China is still landfill, but the mode occupies a large amount of land resources and causes continuous pollution to the environment.
In recent years, the waste incineration power generation technology overcomes some defects of waste landfill, but the combustion inevitably causes high-toxicity secondary pollution such as dioxin and the like, and the serious threat is caused to people and environment.
The existing gasification furnace is simple in structure, is not complete in pyrolysis and gasification, is integrated with combustion, and cannot ensure complete gasification of garbage, so that a large amount of dioxin can be generated.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a gasification furnace for garbage pyrolysis.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a gasifier for rubbish pyrolysis, including furnace body, ignition combustor, cold sediment ware, synthetic gas subassembly, upper portion one side of furnace body sets up the pan feeding mouth, and the bottom sets up the exhaust pipe entry, the bottom of cold sediment ware setting in the furnace body is used for cooling off and discharging the slag, the combustible gas discharge that the upper portion of synthetic gas subassembly setting in the furnace body was used for producing rubbish behind the furnace body pyrolysis purifies the burning, cold sediment ware is connected with the slag notch of furnace body bottom.
In the scheme, the synthesis gas assembly comprises a synthesis gas channel, a lower outlet pipe, an upper outlet pipe and a regulating valve, the synthesis gas channel is arranged on the upper portion in the furnace body along the annular shape, one side of the synthesis gas channel is communicated with the lower outlet pipe on one side of the wall of the furnace body, the air flue inlet of the synthesis gas channel faces the lower portion in the furnace body, the upper outlet pipe is arranged at the top of the furnace body and is communicated with the inside of the furnace body, the lower outlet pipe is communicated with gas equipment for combustible gas, the regulating valve is arranged on the lower outlet pipe, and the upper outlet pipe is communicated with discharge equipment.
In the scheme, the top of one side of the synthesis gas channel is also communicated with a channel ash removal port arranged at the top of the furnace body.
In the scheme, the inner side of the side wall of the furnace body is sequentially provided with the fireproof pouring layer and the light heat-insulating layer from inside to outside and is fixed through the grab nails.
In the scheme, the water cooling assembly is wound on the outer portion of the slag cooler and comprises a water cooling wall, a water inlet and a water outlet, the water cooling wall is wound on the outer portion of the slag cooler, the water inlet is formed in one side of the water cooling wall, and the water outlet is formed in the other side of the water cooling wall.
In the scheme, a wear-resistant layer is arranged between the slag cooler and the water-cooled wall.
In the above scheme, the water inlet is lower than the water outlet.
In the scheme, the furnace body is provided with at least one quick-opening furnace door, a furnace-closing air door and a manhole door.
In the above scheme, still include the stirring subassembly, the stirring subassembly includes motor, (mixing) shaft, stirring vane, the top of furnace body is provided with the stirring shaft mouth, the output and the (mixing) shaft connection of motor, set up stirring vane on the (mixing) shaft, the (mixing) shaft runs through the stirring shaft mouth.
Compared with the prior art, the utility model can completely purify, burn and treat the synthesis gas with different components and different states generated in the garbage pyrolysis process; can ensure the complete pyrolysis and gasification of the garbage, thereby ensuring that a large amount of dioxin can not be generated.
Drawings
The accompanying drawings, which are described herein, serve to disclose a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are used to explain the invention and not to constitute an undue limitation on the invention. In the drawings:
fig. 1 is a schematic structural diagram of a gasification furnace for garbage pyrolysis according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a gasifier for rubbish pyrolysis, as shown in fig. 1, including furnace body 1, ignition combustor 2, cold sediment ware 3, synthetic gas subassembly 4, upper portion one side of furnace body 1 sets up pan feeding mouth 11, and the bottom sets up exhaust pipe entry 12, the bottom that cold sediment ware 3 set up in furnace body 1 is used for cooling off the slag and discharges, the combustible gas discharge that upper portion that synthetic gas subassembly 4 set up in furnace body 1 was used for producing rubbish behind furnace body 1 pyrolysis purifies the burning, cold sediment ware 3 is connected with the slag notch 13 of furnace body 1 bottom.
Garbage enters the bottom of the furnace body 1 through the feeding hole 11, the garbage and high-temperature air passing through the exhaust pipe inlet 12 are oxidized and reduced at the bottom of the furnace body 1, finally, combustible gas is generated in a pyrolysis zone, and the combustible gas is conveyed to gas utilization equipment through the synthesis gas assembly 4.
The slag after the garbage pyrolysis is discharged out of the furnace body 1 through a slag outlet 13 of the slag cooler 3.
The exterior of the exhaust duct inlet 12 is also sealed by a dynamic sealing cover plate 121.
The synthesis gas assembly 4 comprises a synthesis gas channel 41, a lower outlet pipe 42, an upper outlet pipe 43 and a regulating valve 44, wherein the synthesis gas channel 41 is annularly arranged at the upper part in the furnace body 1, one side of the synthesis gas channel is communicated with the lower outlet pipe 42 at one side of the pipe wall of the furnace body 1, a gas channel inlet 411 of the synthesis gas channel 41 faces the lower part in the furnace body 1, the upper outlet pipe 43 is arranged at the top of the furnace body 1 and is communicated with the inside of the furnace body 1, the lower outlet pipe 42 is communicated with a gas device for combustible gas, the regulating valve 44 is arranged on the lower outlet pipe 42, and the upper outlet pipe 43 is communicated with a discharge device.
Carry out abundant pyrolysis gasification to rubbish through ignition combustor 2, promote the interior temperature of furnace, furnace from the top down sets up 4 temperature sensor respectively, when temperature sensor shows that the temperature does not satisfy the system requirement, contains a large amount of moisture and tar in the synthetic gas, and the synthetic gas can not provide the gas equipment for use as combustible gas this moment, so, close outlet pipe 42 down through governing valve 44, at this moment, the synthetic gas in the furnace is from last outlet pipe 43 directly going out.
When the temperature meets the system requirement, the synthesis gas can be used as combustible gas to be supplied to the gas-using equipment, so that the lower outlet pipe 42 is opened through the regulating valve 44, and the synthesis gas in the hearth is discharged from the lower outlet pipe 42 and is conveyed to the gas-using equipment.
The upper outlet pipe is provided with a butterfly valve, and when the temperature of the system reaches the requirement, the temperature sensor feeds back the temperature to the system, so that the upper outlet pipe is closed, and the combustible gas is ensured to enter the gas-using equipment from the lower outlet pipe.
The top of one side of the synthesis gas channel 41 is also communicated with a channel ash removal port 45 arranged at the top of the furnace body 1 and used for checking and overhauling the synthesis gas channel 41.
The lateral wall of furnace body 1 is inboard to set gradually fire-resistant layer 14, the light heat preservation 15 of pouring by interior to outside to it is fixed through grapple 16, be used for guaranteeing temperature and boiler efficiency in the furnace, and guarantee that the wall temperature can not too high scald staff.
In order to ensure the ash temperature, a water cooling assembly 31 is wound outside the slag cooler 3, the water cooling assembly 31 comprises a water cooling wall 311, a water inlet 312 and a water outlet 313, the water cooling wall 311 is wound outside the slag cooler 3, and the water inlet 312 is arranged on one side of the water cooling wall 311, and the water outlet 313 is arranged on the other side of the water cooling wall.
And a wear-resistant layer 314 is arranged between the slag cooler 3 and the water-cooled wall 311.
The position of the water inlet 312 is lower than that of the water outlet 313, so that the water-cooled wall 311 and the slag perform countercurrent heat exchange, the water inlet 312 is arranged at the bottom of the furnace, and the water outlet 313 is arranged at the upper part, so that the heat exchange efficiency can be ensured.
The water-cooled wall 311 exchanges heat with high-temperature slag in the slag cooler 3 through the wear-resistant layer 314, and the slag is cooled to the temperature meeting the system requirement.
The furnace body 1 is provided with at least one quick-opening furnace door 17, a furnace closing air door 18 and a manhole door 19.
The air-tight furnace door 18 is insufficient in garbage pyrolysis in the furnace, and can be opened temporarily when the supplementary curing is needed, oxygen in the atmosphere can be supplemented into the furnace because the furnace is operated under negative pressure, and the air-tight furnace door 18 is closed when the oxygen content meter at the smoke exhaust part shows that the oxygen is excessive;
the quick-opening furnace door 17 is used for checking the operation state of the furnace body 1 during operation.
The top of the furnace body 1 is provided with a furnace cover 20, and the furnace cover 20 is also provided with a reinforcing rib 21.
In order to ensure that the garbage is pyrolyzed more fully in the hearth, the garbage incinerator also comprises a stirring assembly 5 for stirring the garbage.
The stirring assembly 5 comprises a motor, a stirring shaft and stirring blades, wherein a stirring shaft opening 22 is formed in the top of the furnace body 1, the output end of the motor is connected with the stirring shaft, the stirring blades are arranged on the stirring shaft, and the stirring shaft penetrates through the stirring shaft opening 22.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. The utility model provides a gasifier for pyrolysis of waste, its characterized in that includes furnace body, ignition combustor, cold sediment ware, synthetic gas subassembly, upper portion one side of furnace body sets up the pan feeding mouth, and the bottom sets up the exhaust pipe entry, the bottom that cold sediment ware set up in the furnace body is used for cooling off and discharging the slag, the upper portion of synthetic gas subassembly setting in the furnace body is used for purifying the combustible gas discharge that rubbish produced behind the furnace body pyrolysis and burns, cold sediment ware is connected with the slag notch of furnace body bottom.
2. The gasification furnace for garbage pyrolysis according to claim 1, wherein the synthesis gas assembly comprises a synthesis gas channel, a lower outlet pipe, an upper outlet pipe and a regulating valve, the synthesis gas channel is annularly arranged at the upper part in the furnace body, one side of the synthesis gas channel is communicated with the lower outlet pipe at one side of the pipe wall of the furnace body, the gas channel inlet of the synthesis gas channel faces the lower part in the furnace body, the upper outlet pipe is arranged at the top of the furnace body and is communicated with the inside of the furnace body, the lower outlet pipe is communicated with a gas device for combustible gas, the regulating valve is arranged on the lower outlet pipe, and the upper outlet pipe is communicated with a discharge device.
3. The gasification furnace for garbage pyrolysis according to claim 2, wherein the top of one side of the syngas channel is further communicated with a channel ash removal port provided at the top of the furnace body.
4. The gasification furnace for garbage pyrolysis according to any one of claims 1 to 3, wherein a refractory pouring layer and a light insulating layer are sequentially arranged on the inner side of the side wall of the furnace body from inside to outside and are fixed by a claw nail.
5. The gasification furnace for garbage pyrolysis according to claim 4, wherein a water cooling assembly is wound outside the slag cooler, the water cooling assembly comprises a water cooling wall, a water inlet and a water outlet, the water cooling wall is wound outside the slag cooler, and the water inlet is arranged on one side of the water cooling wall while the water outlet is arranged on the other side of the water cooling wall.
6. The gasification furnace for garbage pyrolysis according to claim 5, wherein a wear-resistant layer is arranged between the slag cooler and the water-cooled wall.
7. The gasifier for pyrolysis of waste according to claim 6, wherein the water inlet is located at a lower position than the water outlet.
8. The gasification furnace for garbage pyrolysis according to claim 7, wherein the furnace body is provided with at least one of a quick-opening furnace door and a furnace closing air door, and a manhole door.
9. The gasification furnace for garbage pyrolysis according to claim 8, further comprising a stirring assembly, wherein the stirring assembly comprises a motor, a stirring shaft and stirring blades, a stirring shaft opening is formed in the top of the furnace body, the output end of the motor is connected with the stirring shaft, the stirring shaft is provided with the stirring blades, and the stirring shaft penetrates through the stirring shaft opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120229642.4U CN214937253U (en) | 2021-01-27 | 2021-01-27 | Gasification furnace for garbage pyrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120229642.4U CN214937253U (en) | 2021-01-27 | 2021-01-27 | Gasification furnace for garbage pyrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214937253U true CN214937253U (en) | 2021-11-30 |
Family
ID=79100242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120229642.4U Active CN214937253U (en) | 2021-01-27 | 2021-01-27 | Gasification furnace for garbage pyrolysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214937253U (en) |
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2021
- 2021-01-27 CN CN202120229642.4U patent/CN214937253U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Gasifier for waste pyrolysis Effective date of registration: 20220324 Granted publication date: 20211130 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Shaanxi Runhe Environmental Protection Technology Co.,Ltd. Registration number: Y2022610000104 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211130 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Shaanxi Runhe Environmental Protection Technology Co.,Ltd. Registration number: Y2022610000104 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Gasifier for garbage pyrolysis Granted publication date: 20211130 Pledgee: Xi'an Fengdong Financing Guarantee Co.,Ltd. Pledgor: Shaanxi Runhe Environmental Protection Technology Co.,Ltd. Registration number: Y2024610000084 |