CN101539296A - Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel - Google Patents
Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel Download PDFInfo
- Publication number
- CN101539296A CN101539296A CN200910029426A CN200910029426A CN101539296A CN 101539296 A CN101539296 A CN 101539296A CN 200910029426 A CN200910029426 A CN 200910029426A CN 200910029426 A CN200910029426 A CN 200910029426A CN 101539296 A CN101539296 A CN 101539296A
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- China
- Prior art keywords
- landfill gas
- gas
- municipal sludge
- auxiliary fuel
- rubbish landfill
- Prior art date
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Links
- 239000010802 sludge Substances 0.000 title claims abstract description 34
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 24
- 239000000446 fuel Substances 0.000 title claims abstract description 14
- 230000005587 bubbling Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 35
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 238000005243 fluidization Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel. Dehydrated municipal sludge is incinerated after being dried and smashed, an incinerator used for incineration adopts a bubbling fluidized bed incinerator, primary air combusted and heated by the rubbish landfill gas is blown into and the rubbish landfill gas is led into to be used as the auxiliary fuel so as to maintain the temperature of a fluidized bed in the sludge incinerator. The invention greatly improves the incineration efficiency of the municipal sludge, fully utilizes the heat energy of the rubbish landfill gas, lowers the incineration treating cost of the municipal sludge, and achieves the purposes of treatment of a waste by another waste, energy saving and environment protection and remarkable economic benefit.
Description
Technical field
The present invention relates to a kind of municipal sludge incineration treatment technology.
Background technology
At present the municipal sludge incineration treatment technology mainly contains two kinds of mixed combustion and single burnings.Mixed combusting technology is that the mud after process is dewatered is sent into garbage burning factory, coal fired thermal power plant burns as fuel blend, and this kind method all has strict requirement to the water content and the adding proportion of mud, is not suitable for disposing large batch of mud.What single combustion technology adopted is special-purpose sludge incinerator, as multilayer incinerator, fluidized bed incinerator, multicompartment fluidized bed incinerator, in order to improve firing efficiency, needs more auxiliary fuel, causes the sludge incineration cost higher.
Summary of the invention
Purpose of the present invention then is in order to reduce the burning disposal cost of municipal sludge, to make full use of the heat energy in the rubbish landfill gas, realize the treatment of wastes with processes of wastes against one another, having developed and utilized the sludge incinerating system of rubbish landfill gas as auxiliary fuel.
Purpose of the present invention can realize by following measure:
A kind of is the municipal sludge CIU of auxiliary fuel based on rubbish landfill gas, it is characterized in that:
High-temperature flue gas to the gas furnace generation that is lower than high-temperature steam that 90% mud produces with the steam boiler of combustion refuse landfill gas or combustion refuse landfill gas through the moisture content after the sewage treatment plant processed is dried processing, obtains moisture content and is lower than 75% dewatered sludge; The high-temperature steam pressure that the steam boiler of combustion refuse landfill gas produces is at the 3-10 kilogram, and the high-temperature flue-gas that the gas furnace of combustion refuse landfill gas produces is 220-300 ℃.The exhaust that steam boiler or gas furnace produce in drying course is extracted secondary wind as the bubbling fluidized bed incinerator with blower fan.
Row fragmentation during with the dewatered sludge after the above-mentioned oven dry obtains the mud granule of diameter less than 50mm.
Mud granule after the fragmentation adds from bubbling fluidized bed incinerator top, the fluid bed that falls into the incinerator bottom burns, the downside of fluid bed blasts a wind that is heated by the garbage loading embeading gas firing, branch distributions card by the fluid bed bottom blows mud granule, form the fluidisation attitude, be provided with burning apparatus by using gas of buried garbage at the airflow-distribution board upside, make temperature maintenance in the fluid bed at 750-900 ℃.
The present invention has improved the firing efficiency of municipal sludge greatly, has made full use of the heat energy in the rubbish landfill gas, has reduced the burning disposal cost of municipal sludge, realizes the treatment of wastes with processes of wastes against one another, energy-conserving and environment-protective, and economic benefit is obvious.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described:
As shown in Figure 1, the moisture content after sewage treatment plant's processed is lower than 90% municipal sludge and was stored in before drying in the mud storage bin, the mud storage bin be can be rainproof structures, prevent that the mud back moisture content of drenching with rain from changing.Municipal sludge is at first dried processing, and the heat energy of mud mud drying plant comes from rubbish landfill gas, can adopt the high-temperature steam of the steam boiler generation of combustion refuse landfill gas to dry mud, and steam pressure is between the 3-10 kilogram; Also can utilize gas furnace combustion refuse landfill gas, produce temperature between 220-300 ℃ high-temperature flue gas and dry mud with it.The exhaust that produces in steam drying stove or flue gas drying stove is with the secondary wind of blower fan extraction as sludge incinerator, to reduce the foul smell of the generation in the drying course.Dewatered sludge moisture content after the oven dry is lower than 75%, by blade cuts or collision crumbling method, is diameter mud granule less than 50mm with sludge crushing to the mud after the mummification.Sludge incinerator among the present invention adopts the bubbling fluidized bed incinerator, and the mud granule after the fragmentation adds from the incinerator top, and the fluid bed that falls into the incinerator bottom according to gravity burns.A wind after the air that the downside of fluid bed blasts with blower fan is heated by the garbage loading embeading gas firing as sludge incinerator, air-flow distribution card by sludge incinerator fluid bed bottom blows mud granule, form the fluidisation attitude, also be furnished with burning apparatus by using gas of buried garbage at the airflow-distribution board upside, feeding is as the rubbish landfill gas of auxiliary fuel, make temperature maintenance in the fluid bed between 750-900 ℃, guarantee firing efficiency.
The undeclared part of other that the present invention relates to is same as the prior art.
Claims (5)
1, a kind of is the municipal sludge CIU of auxiliary fuel based on rubbish landfill gas, it is characterized in that:
Moisture content is lower than the high-temperature flue gas that the gas furnace of high-temperature steam that 90% mud produces with the steam boiler of combustion refuse landfill gas or combustion refuse landfill gas produces and dries processing, obtain moisture content and be lower than 75% dewatered sludge;
Row fragmentation during with the dewatered sludge after the above-mentioned oven dry obtains the mud granule of diameter less than 50mm;
Mud granule after the fragmentation adds from bubbling fluidized bed incinerator top, the fluid bed that falls into the incinerator bottom burns, the downside of fluid bed blasts a wind that is heated by the garbage loading embeading gas firing, branch distributions card by the fluid bed bottom blows mud granule, form the fluidisation attitude, be provided with burning apparatus by using gas of buried garbage at the airflow-distribution board upside, make temperature maintenance in the fluid bed at 750-900 ℃.
2, according to claim 1 is the municipal sludge CIU of auxiliary fuel based on rubbish landfill gas, it is characterized in that: moisture content is lower than 90% mud for through the municipal sludge after sewage treatment plant's processed.
3, according to claim 1 is the municipal sludge CIU of auxiliary fuel based on rubbish landfill gas, it is characterized in that: the exhaust that steam boiler or gas furnace produce in drying course is extracted secondary wind as the bubbling fluidized bed incinerator with blower fan.
4, according to claim 1 is the municipal sludge CIU of auxiliary fuel based on rubbish landfill gas, it is characterized in that: the high-temperature steam pressure that the steam boiler of combustion refuse landfill gas produces is at the 3-10 kilogram.
5, according to claim 1 is the municipal sludge CIU of auxiliary fuel based on rubbish landfill gas, it is characterized in that: the high-temperature flue-gas that the gas furnace of combustion refuse landfill gas produces is 220-300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100294269A CN101539296B (en) | 2009-04-13 | 2009-04-13 | Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100294269A CN101539296B (en) | 2009-04-13 | 2009-04-13 | Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101539296A true CN101539296A (en) | 2009-09-23 |
| CN101539296B CN101539296B (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100294269A Active CN101539296B (en) | 2009-04-13 | 2009-04-13 | Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel |
Country Status (1)
| Country | Link |
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| CN (1) | CN101539296B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322642A (en) * | 2011-06-07 | 2012-01-18 | 创冠环保(中国)有限公司 | Sludge drying and incinerating system on basis of incineration of waste grate furnace and treatment method thereof |
| CN102353044A (en) * | 2011-09-09 | 2012-02-15 | 北京君达能源投资有限公司 | Gas combustion-supporting device of recirculating fluidized bed and combustion control device of recirculating fluidized bed |
| CN110285430A (en) * | 2019-06-26 | 2019-09-27 | 世纪华扬环境工程有限公司 | A kind of small-scale municipal sludge and house refuse cooperate with incineration treatment method |
| WO2022095154A1 (en) * | 2020-11-09 | 2022-05-12 | 广东工业大学 | Low-nitrogen coupling combustion processing system for landfill odorous gas and solid waste |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252333B (en) * | 2011-05-05 | 2012-12-26 | 福建省丰泉环保控股有限公司 | Method and treatment system for reducing nitrogen oxides by using incineration of refuse landfill gas |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100504167C (en) * | 2005-06-16 | 2009-06-24 | 中国科学院工程热物理研究所 | Wet sludge drying and incinerating treatment method employing circulating fluidized bed with particle dryer |
| CN101216177A (en) * | 2008-01-09 | 2008-07-09 | 浙江大学 | Method for burning and processing sludge using generating plant pulverized coal boiler system |
| CN101265008B (en) * | 2008-04-22 | 2010-06-16 | 东南大学 | Sludge drying burning combination treatment method |
| CN101386464A (en) * | 2008-10-29 | 2009-03-18 | 中国科学院工程热物理研究所 | Anhydration and incineration processing method for wet sludge |
-
2009
- 2009-04-13 CN CN2009100294269A patent/CN101539296B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322642A (en) * | 2011-06-07 | 2012-01-18 | 创冠环保(中国)有限公司 | Sludge drying and incinerating system on basis of incineration of waste grate furnace and treatment method thereof |
| CN102353044A (en) * | 2011-09-09 | 2012-02-15 | 北京君达能源投资有限公司 | Gas combustion-supporting device of recirculating fluidized bed and combustion control device of recirculating fluidized bed |
| CN110285430A (en) * | 2019-06-26 | 2019-09-27 | 世纪华扬环境工程有限公司 | A kind of small-scale municipal sludge and house refuse cooperate with incineration treatment method |
| WO2022095154A1 (en) * | 2020-11-09 | 2022-05-12 | 广东工业大学 | Low-nitrogen coupling combustion processing system for landfill odorous gas and solid waste |
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| Publication number | Publication date |
|---|---|
| CN101539296B (en) | 2010-12-08 |
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Denomination of invention: Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel Effective date of registration: 20151028 Granted publication date: 20101208 Pledgee: Bank of Nanjing, Zhujiang branch, Limited by Share Ltd Pledgor: Nanjing Cabron Recycle Biomass Technology Co., Ltd. Registration number: 2015990000918 |
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Date of cancellation: 20170217 Granted publication date: 20101208 Pledgee: Bank of Nanjing, Zhujiang branch, Limited by Share Ltd Pledgor: Nanjing Cabron Recycle Biomass Technology Co., Ltd. Registration number: 2015990000918 |
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Denomination of invention: Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel Effective date of registration: 20170217 Granted publication date: 20101208 Pledgee: Bank of Nanjing, Zhujiang branch, Limited by Share Ltd Pledgor: Nanjing Cabron Recycle Biomass Technology Co., Ltd. Registration number: 2017990000113 |
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Date of cancellation: 20180323 Granted publication date: 20101208 Pledgee: Bank of Nanjing, Zhujiang branch, Limited by Share Ltd Pledgor: Nanjing Cabron Recycle Biomass Technology Co., Ltd. Registration number: 2017990000113 |
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Denomination of invention: Municipal sludge incinerating system using rubbish landfill gas as auxiliary fuel Effective date of registration: 20180427 Granted publication date: 20101208 Pledgee: Bank of Nanjing, Zhujiang branch, Limited by Share Ltd Pledgor: Nanjing Cabron Recycle Biomass Technology Co., Ltd. Registration number: 2018320000051 |
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