CN1903456A - Integration treatment tech. for urban solid wastes - Google Patents
Integration treatment tech. for urban solid wastes Download PDFInfo
- Publication number
- CN1903456A CN1903456A CN 200510036096 CN200510036096A CN1903456A CN 1903456 A CN1903456 A CN 1903456A CN 200510036096 CN200510036096 CN 200510036096 CN 200510036096 A CN200510036096 A CN 200510036096A CN 1903456 A CN1903456 A CN 1903456A
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- landfill
- waste
- rubbish
- carried out
- solid wastes
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- 239000010813 municipal solid waste Substances 0.000 title claims description 33
- 238000011282 treatment Methods 0.000 title claims description 16
- 230000010354 integration Effects 0.000 title 1
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 239000010782 bulky waste Substances 0.000 claims description 4
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 239000002361 compost Substances 0.000 abstract description 7
- 239000010419 fine particle Substances 0.000 abstract 2
- 239000011449 brick Substances 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000004575 stone Substances 0.000 abstract 1
- 239000010791 domestic waste Substances 0.000 description 8
- 238000011160 research Methods 0.000 description 5
- 238000010410 dusting Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009264 composting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 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 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
An integrated technique for treating the city's solid refuse includes such steps as classifying, burying for 5-6 years to become mineralized refuse, sieving to obtain high-caloricity combustible substance, inorganic substance (brick or stone) and fine particles of organic dregs, burning said combustible substance, preparing compost from said fine particles, and refilling said inorganic substance back underground.
Description
Technical field
Present technique belongs to technical field of resource environments.
Background technology
In recent years, along with the raising of expanding economy all over the world and life of urban resident level, municipal refuse output increases rapidly.Municipal refuse is serious environment pollution not only, and has caused great harm for people's health.In the face of the situation of countries in the world domestic waste severe contamination, no matter be developed country or developing country, all extremely pay attention to the improvement work of domestic waste.
The processing method of domestic waste mainly contains landfill, burning, compost, garbage reclamation, pyrolysis, biodegradation and curing etc. at present, wherein again based on first three kind.Technology is still not overripened on the one hand for other processing mode, and processing cost is higher relatively on the other hand, so do not become the main flow of garbage disposal.Comparatively ripe with landfill and composting technology again in the former three, the removal problem of material such as odorant and dioxin does not still have good solution in the incineration technology.Both at home and abroad the processing mode of domestic waste is substantially adopting in the above-mentioned three types of technology one to be treated to the master, but the shortcoming that this three classes processing mode respectively has it to be difficult to overcome again.
The domestic waste of developed country is owing to carried out categorised collection preferably, and rubbish from cooking is less, and moisture is lower, and calorific value is higher relatively, adopts the independent treatment effect of technology better.The road that garbage disposal will be walked sustainable development is all realized in countries in the world, and garbage disposal should be a comprehensive system.On the one hand, various countries all begin to emphasize to control from the source generation of quantity of refuse, vigorously advocate cleaner production, separate waste collection.On the other hand, both at home and abroad also begin to have the research of comprehensive garbage disposal aspect, but all be based upon separate waste collection and crude waste carries out on the basic prerequisite of sorting.Separate waste collection is one and involves many-sided combined system, and China still is in the communication and education stage at present, really implement to still need to want one section long time.And it is big that crude waste is carried out the sorting difficulty, and the purpose that reach classification is extremely difficult.So these researchs also only rest on the aspect of academic research.
And the form handled again after the rubbish biological preliminary treatment also someone is begun to propose, but generally all adopt biological treatment tank to carry out pretreated technology, investment is big, the cost height.
As the rubbish biological preliminary treatment, as main line domestic waste is carried out the technology that integrated comprehensive is handled with landfill, still do not have research in this respect at present both at home and abroad, this project will be filled up the blank of this research field.
Summary of the invention
The object of the present invention is to provide a kind of investment and operating cost comprehensive garbage disposal technology cheap, that be suitable for China's national situation.
In order to achieve the above object, the present invention is according to long-term discovering technology of garbage disposal (landfill, burning, the compost) of China's rubbish character and various individual events: the feature of China's rubbish is moisture content height, organic matter content height; The technology of garbage disposal of various individual events is all in certain limitation, and there are the not high problem with slack market of product quality in, burning disposal investment big as the landfill disposal floor space and operating cost height, compost treatment; Existing is the comprehensive garbage disposal technology of core technology with the incineration treatment of garbage, also exists the problem that cost of investment is too high, be not suitable for China's national situation; The present invention is the rubbish preconditioning technique with the landfill, and with mineralized waste screening, to burn be ancillary technique, can significantly reduce garbage disposal cost and scale of investment, the service life that can improve garbage sanitary filling field simultaneously, is fit to the present situation of the present garbage disposal of China.
Concrete steps of the present invention are as follows: the first step, rubbish is carried out simple sorting, and Bulky Waste is carried out fragmentation; Second step, rubbish was carried out the landfill preliminary treatment 5～6 years, remove easily biodegradable organics wherein, make it to become stable mineralized waste; The 3rd step, mineralized waste is sieved processing, what make is separated into high heating value combustible, fine grained organic matter and residual substance; In the 4th step, above-mentioned screening product is burned, sells and be backfilled to after the deep processing subsequent treatment of landfill yard respectively.
The present invention has following outstanding effect:
(1) present technique is the rubbish preconditioning technique with the sanitary landfills, its reduced investment, low, the convenient management of operating cost;
(2) compare with the direct burning disposal of rubbish, present technique can make the calorific value of burning away the refuse significantly promote, and increases the energy recovery value;
(3) present technique utilizes sanitary filling field to finish organic compost treatment in the house refuse, has saved the investment cost and the operating cost of compost treatment, has reduced it and has polluted the control difficulty, has improved its level of pollution control;
(4) present technique can effectively increase the service life and the utilization rate of garbage sanitary filling field, the land resource of saves valuable;
(5) present technique makes that to a certain extent garbage sanitary filling field is transformed into renewable resource by non-renewable resources.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
Present technique is successively carried out the processing of simple sorting, landfill preliminary treatment, screening, post processing (comprise burning, be backfilled to landfill yard, as composting production sale etc.) four processes successively to rubbish, specific as follows:
(1) simple sorting
Collection is transported to the way that the domestic waste of landfill yard at first passes through man-machine combination, tentatively wherein waste and old material and Bulky Waste go-no-go is reclaimed, quantity of refuse can be reduced more than 5%.
(2) Biological Pretreatment (landfill)
Domestic waste after the simple sorting is carried out Biological Pretreatment (landfill) to be handled.The back discharging is handled in the recyclable utilization of landfill gas that produces, percolate.Rubbish is after the Biological Pretreatment (landfill) in 5～6 years, and its form with percolate more than 40% that contains water inventory is discharged the rubbish body, and remaining mineralized waste water content is less than 33%, and the mineralized waste of this moment is more easily realized refuse classification through screening.
(3) screening and subsequent treatment
Above-mentioned mineralized waste is carried out the thickness screening with machinery, metal and glass (about about 5%) can be sub-elected recycling in the screening process.
A) after the oversize artificial separation of scalping goes out glass and ratchel, main component is plastics, rubber, yarn fabric, bamboo wood and a small amount of stationery, its moisture content is little, calorific value is high, inorganic content is low, be transported to and burn a burning disposal, it burns operating mode and controls well, need not add any auxiliary material, and the generated energy of Unit Weight increases.Burn about 5% residue of residue and transport the landfill yard landfill disposal back.
B) screenings of scalping (about about 36%) dusting cover again can be used as afforestation fertilizer behind the screenings of dusting cover (about about the 22%) secondary fermentation.
C) oversize of dusting cover mainly is an inorganic matter, and water content is less, is backfilled to landfill yard, and the requirement of antiseepage and security control is reduced greatly.
(4) other
For the part city municipal wastewater factory mud is transported to that landfill yard handles, the Bulky Waste that picks in (1) operation can be used for burning or compost treatment mud after fragmentation.
Claims (1)
- Handle the integrated technology of municipal solid wastes (house refuse), it is characterized in that: the first step, rubbish is carried out simple sorting, Bulky Waste is carried out fragmentation; Second step, rubbish was carried out the landfill preliminary treatment 5～6 years, remove easily biodegradable organics wherein, make it to become stable mineralized waste; The 3rd step, mineralized waste is sieved processing, what make is separated into high heating value combustible, fine grained organic matter and residual substance; In the 4th step, above-mentioned screening product is burned, sells and be backfilled to after the deep processing subsequent treatment of landfill yard respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510036096 CN1903456A (en) | 2005-07-26 | 2005-07-26 | Integration treatment tech. for urban solid wastes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510036096 CN1903456A (en) | 2005-07-26 | 2005-07-26 | Integration treatment tech. for urban solid wastes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1903456A true CN1903456A (en) | 2007-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510036096 Pending CN1903456A (en) | 2005-07-26 | 2005-07-26 | Integration treatment tech. for urban solid wastes |
Country Status (1)
| Country | Link |
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| CN (1) | CN1903456A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974900A (en) * | 2010-11-08 | 2011-02-16 | 王彦 | Method for transforming waste land for refuse landfill into land for construction |
| CN102834180A (en) * | 2010-02-12 | 2012-12-19 | 首都圈埋立地管理公司 | Method for sorting combustible waste from construction waste |
| CN101422779B (en) * | 2007-10-29 | 2013-06-12 | 韩商·力贝尔股份有限公司 | Sorting apparatus of unsanitary reclamation waste |
| CN104475421A (en) * | 2014-11-13 | 2015-04-01 | 青岛市环境卫生科研所 | Domestic waste landfill reservoir area recycling technology |
| CN107116083A (en) * | 2017-06-19 | 2017-09-01 | 中节能大地环境修复有限公司 | A kind of landfill waste and the method for crude waste integrated treatment |
| CN109420667A (en) * | 2017-08-27 | 2019-03-05 | 南京乐朋电子科技有限公司 | A kind of city intelligent garbage classification system |
| CN112097262A (en) * | 2020-08-27 | 2020-12-18 | 南京融众环境工程研究院有限公司 | Method for treating municipal domestic waste |
| CN114749469A (en) * | 2022-03-23 | 2022-07-15 | 杭州陶钩科技有限公司 | Classified putting and reduction treatment method for municipal refuse |
-
2005
- 2005-07-26 CN CN 200510036096 patent/CN1903456A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101422779B (en) * | 2007-10-29 | 2013-06-12 | 韩商·力贝尔股份有限公司 | Sorting apparatus of unsanitary reclamation waste |
| CN102834180A (en) * | 2010-02-12 | 2012-12-19 | 首都圈埋立地管理公司 | Method for sorting combustible waste from construction waste |
| CN102834180B (en) * | 2010-02-12 | 2015-07-29 | 首都圈埋立地管理公司 | The combustible waste method for separating of construction waste |
| CN101974900A (en) * | 2010-11-08 | 2011-02-16 | 王彦 | Method for transforming waste land for refuse landfill into land for construction |
| CN104475421A (en) * | 2014-11-13 | 2015-04-01 | 青岛市环境卫生科研所 | Domestic waste landfill reservoir area recycling technology |
| CN107116083A (en) * | 2017-06-19 | 2017-09-01 | 中节能大地环境修复有限公司 | A kind of landfill waste and the method for crude waste integrated treatment |
| CN109420667A (en) * | 2017-08-27 | 2019-03-05 | 南京乐朋电子科技有限公司 | A kind of city intelligent garbage classification system |
| CN112097262A (en) * | 2020-08-27 | 2020-12-18 | 南京融众环境工程研究院有限公司 | Method for treating municipal domestic waste |
| CN114749469A (en) * | 2022-03-23 | 2022-07-15 | 杭州陶钩科技有限公司 | Classified putting and reduction treatment method for municipal refuse |
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Effective date of registration: 20070803 Address after: Lower reaches of Shenzhen solid waste landfill site, Qingshui River sanitation base, Guangdong, China Applicant after: SHENZHEN XIAPING SOLID WASTE LANDFILL Co-applicant after: Shenzhen vincemen Environmental Protection Investment Co.,Ltd. Address before: Lower reaches of Shenzhen solid waste landfill site, Qingshui River sanitation base, Guangdong, China Applicant before: SHENZHEN XIAPING SOLID WASTE LANDFILL Co-applicant before: Shenzhen Bozhong Environmental Protection Technology Co.,Ltd. |
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Open date: 20070131 |