CN108644782B - Small garbage incineration structure and method thereof - Google Patents
Small garbage incineration structure and method thereof Download PDFInfo
- Publication number
- CN108644782B CN108644782B CN201810567163.6A CN201810567163A CN108644782B CN 108644782 B CN108644782 B CN 108644782B CN 201810567163 A CN201810567163 A CN 201810567163A CN 108644782 B CN108644782 B CN 108644782B
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- Prior art keywords
- flue gas
- tank
- drying
- jacket
- garbage
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Links
- 238000000034 method Methods 0.000 title claims abstract 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract 26
- 239000003546 flue gas Substances 0.000 claims abstract 26
- 238000001035 drying Methods 0.000 claims abstract 13
- 238000000197 pyrolysis Methods 0.000 claims abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 9
- 238000000746 purification Methods 0.000 claims abstract 2
- 238000002485 combustion reaction Methods 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 238000009825 accumulation Methods 0.000 claims 1
- 239000003570 air Substances 0.000 claims 1
- 239000002817 coal dust Substances 0.000 claims 1
- 239000000571 coke Substances 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000003345 natural gas Substances 0.000 claims 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/10—Drying by heat
- F23G2201/101—Drying by heat using indirect heat transfer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/70601—Temporary storage means, e.g. buffers for accumulating fumes or gases, between treatment stages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a small garbage incineration structure and a method thereof, wherein the structure comprises a drying tank (1), the drying tank (1) is connected with a pyrolysis tank (3) through a feeding device (2), and the pyrolysis tank (3) is connected with a combustor (4), and the structure is characterized in that: the upper end and the lower part of the drying tank (1) are respectively provided with a plasma odor treatment device (5) and a hot water jacket (6), the lower part of the pyrolysis tank (3) is provided with a flue gas jacket (7), the flue gas jacket (7) is provided with a flue gas outlet pipe (8), the flue gas outlet pipe (8) is connected with a flue gas purification device (9), the combustor (4) is provided with a combustion-supporting inlet (10) and a flue gas pipeline (11) connected to the flue gas jacket (7), the flue gas pipeline (11) is provided with a heat exchanger (14), and the heat exchanger (14) is connected with the hot water jacket (6) through a circulating pipeline. The invention has better drying and decomposing effects, can save energy sources in the whole process, and has good indexes of discharged flue gas.
Description
Technical Field
The invention relates to a small garbage incineration structure and a method thereof, belonging to the technical field of garbage treatment.
Background
In order to reach the fume emission standard of each country, each refuse incineration power plant reduces the doubt and rejection of people to the incineration technology, and inputs a large amount of manpower, material resources and financial resources to improve and optimize the system, however, the large refuse treatment is aimed at, the current dispersed small refuse treatment is not carried out by large equipment operated at high cost, but the small refuse treatment equipment cannot achieve the expected treatment effect, meanwhile, the drying and decomposition effects of the small refuse of the existing equipment are relatively poor, and the conditions of burning energy consumption, substandard fume emission after combustion and the like are relatively common.
Namely: the prior art needs a small garbage incineration technology, which has better drying and decomposing effects, can save energy sources in the whole process, and has good indexes of discharged flue gas.
Disclosure of Invention
The invention aims to solve the technical problem of providing a small garbage incineration structure and a small garbage incineration method, which can have a good drying and decomposing effect, save energy sources in the whole process, have good indexes of discharged smoke and can overcome the defects of the prior art.
The technical scheme of the invention is as follows: the utility model provides a small-size msw incineration's structure and its method, this structure includes the drying tank, and the drying tank links to each other with the pyrolysis tank through material feeding unit, and the pyrolysis tank links to each other with the combustor, is equipped with plasma odor treatment ware and hot-water jacket respectively in upper end and the lower part of drying tank, is equipped with the flue gas cover in the lower part of pyrolysis tank, is equipped with out the tobacco pipe on the flue gas cover, goes out the tobacco pipe and links to each other with flue gas purification device the combustor on be equipped with combustion-supporting entry and be connected to the flue gas pipeline of flue gas cover, be equipped with the heat exchanger on the flue gas pipeline, the heat exchanger passes through circulating line and links to each other with the hot-water jacket.
A storage tank is arranged between the pyrolysis tank and the burner.
The drying tank is provided with an exhaust pipe, and the plasma odor processor is arranged on the exhaust pipe.
The method comprises the following steps:
s1: the household garbage enters a drying tank, water in the garbage is evaporated by utilizing the accumulation heating of the household garbage and the external heat transfer of a hot water jacket, and odor in the evaporated gas is removed by a plasma odor processor;
s2: delivering the garbage treated in the step S1 to a pyrolysis tank for decomposition through a feeding device, introducing decomposed flue gas into a combustor for combustion, discharging the high-temperature flue gas after combustion to a flue gas sleeve through a flue gas pipeline, and performing heat exchange with a hot water sleeve through a heat exchanger;
s3: the water in the hot water sleeve is subjected to heat exchange in the step S2, and then heat is transferred into the drying tank to heat garbage in the drying tank, so that the drying speed and the drying effect are improved; the lowest temperature lower limit in the pyrolysis tank is ensured through heat transfer after the flue gas sleeve is filled with high-temperature flue gas;
s4: and finally, the flue gas in the flue gas sleeve passes through a flue gas purifying device and is discharged.
In the combustion process of the step S2, one or a combination of more of air, natural gas, coke oven gas, pure oxygen and coal dust is introduced through a combustion-supporting inlet.
Compared with the prior art, the small garbage incineration structure and the method thereof comprise a drying tank, wherein the drying tank is connected with a pyrolysis tank through a feeding device, the pyrolysis tank is connected with a burner, a plasma odor processor and a hot water jacket are respectively arranged at the upper end and the lower end of the drying tank, a flue gas jacket is arranged at the lower part of the pyrolysis tank, a flue gas outlet pipe is arranged on the flue gas jacket and is connected with a flue gas purification device, a combustion-supporting inlet and a flue gas pipeline connected to the flue gas jacket are arranged on the burner, and a heat exchanger is arranged on the flue gas pipeline and is connected with the hot water jacket through a circulating pipeline. The method comprises the following steps: s1: the household garbage enters a drying tank, water in the garbage is evaporated by utilizing the accumulation heating of the household garbage and the external heat transfer of a hot water jacket, and odor in the evaporated gas is removed by a plasma odor processor; s2: delivering the garbage treated in the step S1 to a pyrolysis tank for decomposition through a feeding device, introducing decomposed flue gas into a combustor for combustion, discharging the high-temperature flue gas after combustion to a flue gas sleeve through a flue gas pipeline, and performing heat exchange with a hot water sleeve through a heat exchanger; s3: the water in the hot water sleeve is subjected to heat exchange in the step S2, and then heat is transferred into the drying tank to heat garbage in the drying tank, so that the drying speed and the drying effect are improved; the lowest temperature lower limit in the pyrolysis tank is ensured through heat transfer after the flue gas sleeve is filled with high-temperature flue gas; s4: and finally, the flue gas in the flue gas sleeve passes through a flue gas purifying device and is discharged. According to the structure and the method, the water in the hot water jacket is heated under the heat exchange effect, and the heat is transferred into the drying tank to heat the garbage in the drying tank, so that the drying speed is increased, the drying effect is improved, less heat is consumed for pyrolysis of the pyrolysis tank, meanwhile, the lowest temperature lower limit in the pyrolysis tank is ensured by heat transfer after the high-temperature flue gas is filled into the flue gas jacket, the heat after combustion is effectively utilized, the energy consumption is reduced, and the device is extremely used for the incineration treatment of the garbage and is particularly suitable for the incineration of small garbage;
a storage tank is arranged between the pyrolysis tank and the burner, so that the sufficient amount of flue gas can be stored first and then burnt under the condition that the flue gas discharged from the pyrolysis tank is insufficient;
in the combustion process of the step S2, one or a combination of more of air, natural gas, coke oven gas, pure oxygen and coal dust is introduced through a combustion-supporting inlet, wherein the introduction of the pure oxygen can enable fuel in the flue gas to be completely combusted, and the flue gas can be discharged at a higher temperature and cleaner.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention.
Wherein the drying tank 1; a feeding device 2; a pyrolysis tank 3; a burner 4; a plasma odor treatment device 5; a hot water jacket 6; a flue gas sleeve 7; a smoke outlet pipe 8; a flue gas purifying device 9; a combustion-supporting inlet 10; a flue gas duct 11; a storage tank 12; an exhaust pipe 13; a heat exchanger 14.
Detailed Description
As shown in fig. 1, a small garbage incineration structure and a method thereof are provided, the structure comprises a drying tank 1, an exhaust pipe 13 is arranged on the drying tank 1, a plasma odor processor 5 is arranged on the exhaust pipe 13, the drying tank 1 is connected with a pyrolysis tank 3 through a feeding device 2, the pyrolysis tank 3 is connected with a combustor 4, and a storage tank 12 is arranged between the pyrolysis tank 3 and the combustor 4; the upper end and the lower part of the drying tank 1 are respectively provided with a plasma odor processor 5 and a hot water jacket 6, the lower part of the pyrolysis tank 3 is provided with a smoke jacket 7, the smoke jacket 7 is provided with a smoke outlet pipe 8, the smoke outlet pipe 8 is connected with a smoke purifying device 9, the combustor 4 is provided with a combustion-supporting inlet 10 and a smoke pipeline 11 connected to the smoke jacket 7, the smoke pipeline 11 is provided with a heat exchanger 14, and the heat exchanger 14 is connected with the hot water jacket 6 through a circulating pipeline.
The method comprises the following steps:
s1: the household garbage enters a drying tank 1, water in the garbage is evaporated by utilizing the accumulation heating of the household garbage and the external heat transfer of a hot water jacket 6, and odor in the evaporated gas is removed by a plasma odor processor 5;
s2: delivering the garbage treated in the step S1 to a pyrolysis tank 3 for decomposition through a feeding device 2, introducing decomposed flue gas into a combustor 4 for combustion, discharging the combusted high-temperature flue gas to a flue gas sleeve 7 through a flue gas pipeline 11, and performing heat exchange with a hot water sleeve 6 through a heat exchanger 14; during combustion, one or more of air, natural gas, coke oven gas, pure oxygen, coal fines, or a combination thereof is introduced through the combustion inlet 10.
S3: after the water in the hot water sleeve 6 is subjected to heat exchange in the step S2, heat is transferred into the drying tank 1 to heat garbage in the drying tank, so that the drying speed and the drying effect are accelerated; the flue gas sleeve 7 ensures the lowest temperature lower limit in the pyrolysis tank 3 through heat transfer after being filled with high-temperature flue gas;
s4: the flue gas in the flue gas sleeve 7 finally passes through the flue gas purifying device 9 and is discharged.
Through multiple experiments, the device has better drying and decomposing effects, can save energy sources in the whole process, and has excellent discharged flue gas indexes.
Claims (2)
1. The utility model provides a small-size msw incineration's structure, it includes drying tank (1), and drying tank (1) link to each other with pyrolysis tank (3) through material feeding unit (2), and pyrolysis tank (3) link to each other with combustor (4), its characterized in that: the upper end and the lower part of the drying tank (1) are respectively provided with a plasma odor treatment device (5) and a hot water jacket (6), the lower part of the pyrolysis tank (3) is provided with a flue gas jacket (7), the flue gas jacket (7) is provided with a flue gas outlet pipe (8), the flue gas outlet pipe (8) is connected with a flue gas purification device (9), the combustor (4) is provided with a combustion-supporting inlet (10) and a flue gas pipeline (11) connected to the flue gas jacket (7), the flue gas pipeline (11) is provided with a heat exchanger (14), and the heat exchanger (14) is connected with the hot water jacket (6) through a circulating pipeline; a storage tank (12) is arranged between the pyrolysis tank (3) and the burner (4); an exhaust pipe (13) is arranged on the drying tank (1), and the plasma odor processor (5) is arranged on the exhaust pipe (13);
the method for incinerating the small garbage comprises the following steps of:
s1: the household garbage enters a drying tank (1), water in the garbage is evaporated by utilizing the accumulation heating of the household garbage and the external heat transfer of a hot water sleeve (6), and odor in the evaporated gas is removed by a plasma odor processor (5);
s2: delivering the garbage treated in the step S1 to a pyrolysis tank (3) for decomposition through a feeding device (2), introducing decomposed flue gas into a combustor (4) for combustion, discharging the high-temperature flue gas after combustion to a flue gas sleeve (7) through a flue gas pipeline (11), and performing heat exchange with a hot water sleeve (6) through a heat exchanger (14);
s3: after the water in the hot water sleeve (6) is subjected to heat exchange in the step S2, heat is transferred into the drying tank (1) to heat garbage in the drying tank, so that the drying speed and the drying effect are accelerated; the flue gas sleeve (7) ensures the lowest temperature lower limit in the pyrolysis tank (3) through heat transfer after being filled with high-temperature flue gas;
s4: the flue gas in the flue gas sleeve (7) finally passes through the flue gas purifying device (9) and is discharged.
2. The small garbage incineration structure according to claim 1, characterized in that: in the combustion process of the step S2, one or a combination of more of air, natural gas, coke oven gas, pure oxygen and coal dust is introduced through a combustion-supporting inlet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567163.6A CN108644782B (en) | 2018-06-05 | 2018-06-05 | Small garbage incineration structure and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567163.6A CN108644782B (en) | 2018-06-05 | 2018-06-05 | Small garbage incineration structure and method thereof |
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| Publication Number | Publication Date |
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| CN108644782A CN108644782A (en) | 2018-10-12 |
| CN108644782B true CN108644782B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810567163.6A Active CN108644782B (en) | 2018-06-05 | 2018-06-05 | Small garbage incineration structure and method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762536A (en) * | 2019-10-22 | 2020-02-07 | 淮阴师范学院 | Environment-friendly waste incineration device |
| CN113623680A (en) * | 2021-07-08 | 2021-11-09 | 山东中实易通集团有限公司 | Biomass fuel preheating evaporation dryer and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997246A (en) * | 2011-09-14 | 2013-03-27 | 邢献军 | Garbage high-temperature incinerator |
| CN105737162A (en) * | 2014-12-09 | 2016-07-06 | 中国科学院上海高等研究院 | Household garbage low-temperature pyrolysis system and method based on process decoupling and scrubbing combustion |
| CN107781824A (en) * | 2017-11-17 | 2018-03-09 | 华南理工大学 | A kind of high-efficiency low-pollution rural garbage method of disposal and its device |
| CN208703930U (en) * | 2018-06-05 | 2019-04-05 | 贵州富燃环保科技有限公司 | A kind of structure that small-sized rubbish burns |
-
2018
- 2018-06-05 CN CN201810567163.6A patent/CN108644782B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997246A (en) * | 2011-09-14 | 2013-03-27 | 邢献军 | Garbage high-temperature incinerator |
| CN105737162A (en) * | 2014-12-09 | 2016-07-06 | 中国科学院上海高等研究院 | Household garbage low-temperature pyrolysis system and method based on process decoupling and scrubbing combustion |
| CN107781824A (en) * | 2017-11-17 | 2018-03-09 | 华南理工大学 | A kind of high-efficiency low-pollution rural garbage method of disposal and its device |
| CN208703930U (en) * | 2018-06-05 | 2019-04-05 | 贵州富燃环保科技有限公司 | A kind of structure that small-sized rubbish burns |
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| CN108644782A (en) | 2018-10-12 |
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