CN103706620A - Reduction technical improvement upgrading technology for urban and rural refuse transfer station - Google Patents
Reduction technical improvement upgrading technology for urban and rural refuse transfer station Download PDFInfo
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- CN103706620A CN103706620A CN201310745320.5A CN201310745320A CN103706620A CN 103706620 A CN103706620 A CN 103706620A CN 201310745320 A CN201310745320 A CN 201310745320A CN 103706620 A CN103706620 A CN 103706620A
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Abstract
The invention discloses a reduction technical improvement upgrading technology for an urban and rural refuse transfer station. The reduction technical improvement upgrading technology comprises the technological flows of refuse collection, primary sorting and classification, manual sorting, metal separation, refuse crushing, hydraulic dehydration, secondary dehydration, drying treatment, biomass separation and shipping treatment. According to the reduction technical improvement upgrading technology, the effects on quantity reduction and volume reduction and biomass separation utilization can be achieved, and technical equipment for terminal load processing can be decreased; in addition, the phenomena of dropping, leakage, scattering and falling easily occurring in the refuse transfer process can be eliminated; ozone sterilization and disinfection is increased so as to remove odor and purify air; not only is the refuse treatment difficulty solved, but also the life and work of residents in a beautiful environment can be guaranteed.
Description
Technical field
The present invention relates to technology of garbage disposal field, especially relate to the upgrading process method of town and country refuse transfer station decrement technological transformation.
Background technology
At present, China urban and rural domestic refuse is collected in transportation transfer system, concentrates, then be transported to terminal harmless treatment outward from collecting link to terminal.Experienced three stages:
1, collect the link stage: by the about 20-30m in each tunnel, street, by distance, classification is set and reclaims dustbin or case, for resident, discarded object is poured into dustbin or the case of setting, the cleaner in each tunnel, street transports to discarded object unification the refuse transfer station at place.Flat car will be used in You street, and some rural areas, community are used manpower rubbish van to collect rubbish, pour rubbish van into transport refuse transfer station to and concentrate by the dustbin arranging.
2, the sorting link stage: when collecting link and transporting refuse transfer station to, substantially adopt manual sorting's mode fairly simple rough and unhygienic, affect again environment.Sorting to discarded object is more rough, mostly just picks the part discarded object that value is higher, and ignored other, is worth the waste products such as unconspicuous plastic sheeting vial, makes the rate of recovery of discarded object on the low side.
3, the compression link stage: after the rough sorting of cleaner, transport away again after putting into compression box.Rubbish is in transport process and be prone to " drip, leak, spill, fall " phenomenon.And the garbage-compressing pressure of transfer station compression is all below 50 tons.After garbage-compressing, rubbish just plays increase useful load, reduces cost of transportation.Without other functions, decrement DeGrain, only facilitates rubbish to pour that compression box is transported to garbage incinerating power plant outward and sanitary filling field is done harmless treatment into.
Summary of the invention
The object of the present invention is to provide a kind of town and country refuse transfer station decrement technological transformation upgrading process, stop in waste transportation process easily to occur " drip, leak, spill, fall " phenomenon, and increase ozone sterilization sterilization, removal peculiar smell, air cleaning; Solve a garbage disposal difficult problem, to ensure that resident living is operated in graceful environment.
The technical solution adopted for the present invention to solve the technical problems is: a kind of town and country refuse transfer station decrement technological transformation upgrading process, it is characterized in that, and comprise the following steps:
A. collect rubbish, by living standard of urban and rural population rubbish with by collecting unified receipts of unit, be transported to town and country refuse transfer station and classify;
B. first sorting and grouping, collects the rubbish coming and assists sorting by artificial and plant equipment, just sub-elects house refuse, changing food waste and waste material;
C. house refuse, crosses title by above-mentioned house refuse through weighbridge, and the canned garbage of crossing after claiming is poured on refuse classification conveyer by being pushed into skip position;
D. manual sorting, carries out manual sorting by the rubbish on sortation conveyor and goes out recoverable waste and old material;
E. metal separation, sub-elects ferrous metal MAT'L recycling through electromagnetic separator;
F. refuse breaking, carries out broken decrement by rubbish and subtracts appearance;
G. hydraulic pressure dehydration, the rubbish after fragmentation enters hydraulic pressure program, squeezes compression dehydration under the pressure of 25MPa, makes the not volume weight of recoverable rubbish reach 1-1.35t/m
3;
H. second dehydration, adopts repeatedly hydraulic pressure squeezing compression dehydration of different angles, by containing a large amount of moisture in rubbish, separates, and dehydration rate will be reached more than 25%, and decrement reaches 35-45%;
I. drying and other treatment, after dehydration, rubbish enters drying and other treatment, and the moisture content of rubbish is down to below 25%;
J. living beings are separated, and the living beings solid-liquid of separating can be made to the fabulous raw material of methane as producing methane through anaerobic fermentation, and Biogas can be delivered to burning electricity generation again, increase generated energy and economic benefit;
K. outward transport is processed, and technological transformation is carried out burning electricity generation by mummification rubbish after processing can improve calorific value 350-500Kcal/kg, increases generated energy, and burning process is reaching more than 850 ℃ without auxiliary fuel temperature stabilization, eliminates the poisonous and harmful substances such as dioxin.
Preferably, at (d), to waste reduction in (j) step, subtract and hold and through ozonization.
Preferably, at (b), to technical process in (k) step, implement waste reduction to subtract and hold and living beings deodorizing air cleaning.
Preferably, the sewage of (g) and (h) step being separated is processed and is reached Ministry of Construction's standard-required and percolate is processed discharge standard input municipal wastewater pipe network and middle water reuse through high-enriched organics sewage disposal device.
Preferably, (k) step is transported outward after technological transformation is processed rubbish only account for subtracting 50% below of original rubbish total amount hold more than 50% with minimizing rubbish outside freight volume.
The invention has the beneficial effects as follows: can fully reclaim and can utilize waste and old material to reach decrement to subtract and hold and living beings separating cycle recycling, and reduce the technical equipment of terminal processes load; Meanwhile, stop in waste transportation process easily to occur " drip, leak, spill, fall " phenomenon; Increase ozone sterilization sterilization, remove peculiar smell, air cleaning; Both solve a garbage disposal difficult problem, ensured again resident's life and work in graceful environment; Real " minimizing, resource, the innoxious " target that realizes.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
Fig. 1 is the process flow diagram of optimum implementation of the present invention.
The specific embodiment
As shown in Figure 1, living standard of urban and rural population rubbish being transported to town and country refuse transfer station by the unified receipts of the unit of collection classifies; Collect the rubbish coming and assist sorting by artificial and plant equipment, just sub-elect house refuse, changing food waste and waste material; House refuse is crossed title through weighbridge, crosses canned garbage after claiming and pours the enterprising pedestrian's work point of refuse classification conveyer into and sort out recoverable material by being pushed into skip position, then sub-elect ferrous metal MAT'L recycling through electromagnetic separator.After magnetic separator, enter refuse breaking program, rubbish is carried out to broken decrement and subtract appearance.Rubbish after fragmentation enters hydraulic pressure program, squeezes compression dehydration under the pressure of 25MPa, makes the not volume weight of recoverable rubbish reach 1-1.35t/m
3, after hydraulic pressure dehydration, adopt different angles repeatedly to compress dehydration, make to contain a large amount of moisture in rubbish and separate, dehydration rate will reach more than 25%.The sewage process sewage disposal device processing of separating reaches the Ministry of Construction and requires to enter municipal wastewater pipe network and middle water reuse.
After dehydration, rubbish enters mummification separable programming, carries out mummification and separating biomass.Isolated living beings can be made compost and produce biogas utilization.To the rubbish of recoverable not after separation, after mummification, carry out hydraulic thrust and go out.Mummification rubbish is stopped or is reduced the appearance phenomenon of " dripping, leak, spill, fall " in transport process.Not recoverable rubbish after processing is the best fuel of waste incineration and generating electricity.Quality is light, and calorific value is high and greatly improve generated energy and economic benefit, needn't deposit the dehydration of fermenting above for 5-10 days by original operating type and carry out burning electricity generation again.Solid-liquid living beings after dehydration can be produced biogas, and being delivered to incinerator increases generated energy.Need to can dewater more than 25% through the press dewatering decrement of dewatering, decrement reaches 35-45%, and after dehydration, rubbish enters drying and other treatment, and the moisture content of rubbish is down to below 25%.
Rubbish after drying and other treatment is burned, and burning process temperature can directly reach more than 850 ℃, eliminates the poisonous and harmful substances such as dioxin; The lime-ash that burning is separated is as cement auxiliary material.Rubbish carries landfill yard landfill to carry out harmless treatment also can reach the object that decrement subtracts appearance, alleviates greatly landfill yard landfill storage capacity pressure, extends landfill yard service life.
In the technical process of garbage disposal, increase ozone sterilization sterilization and living beings deodorizing air cleaning, remove peculiar smell, air cleaning, ensures resident's life and work in graceful environment, realizes " minimizing, resource, innoxious " target.
Claims (5)
1. a town and country refuse transfer station decrement technological transformation upgrading process, is characterized in that, comprises the following steps:
A. collect rubbish, living standard of urban and rural population rubbish is transported to town and country refuse transfer station by the unified receipts of the unit of collection and classifies;
B. first sorting and grouping, collects the rubbish coming and assists sorting by artificial and plant equipment, just sub-elects house refuse, changing food waste and waste material;
C. house refuse, crosses title by above-mentioned house refuse through weighbridge, and the canned garbage of crossing after claiming is poured on refuse classification conveyer by being pushed into skip position;
D. manual sorting, carries out manual sorting by the rubbish on sortation conveyor and goes out recoverable material;
E. metal separation, sub-elects ferrous metal MAT'L recycling through electromagnetic separator;
F. refuse breaking, carries out broken decrement by rubbish and subtracts appearance and carry out the front pretreatment of hydraulic pressure squeezing;
G. hydraulic pressure press dewatering, the rubbish after fragmentation enters hydraulic pressure squeezing program, squeeze compression and dewater under the pressure of 25MPa, makes the not volume weight of recoverable rubbish reach 1-1.35t/m
3;
H. second dehydration, adopts different angles repeatedly to compress dehydration, by containing a large amount of moisture in rubbish, separates, and dehydration rate will be reached more than 25%, and decrement reaches 35-45%;
I. drying and other treatment, after dehydration, rubbish enters drying and other treatment, and the moisture content of rubbish is down to below 25%;
J. living beings are separated, the living beings solid-liquid of separating made to the raw material of methane as producing methane through anaerobic fermentation; Biogas is delivered to burning electricity generation, increases generated energy and economic benefit;
K. outward transport is processed, and technological transformation is carried out burning electricity generation by mummification rubbish after processing can improve calorific value 350-500Kcal/kg, improves generated energy, and burning process is without auxiliary fuel, and temperature stabilization reaches more than 850 ℃, eliminates dioxin poisonous and harmful substance.
2. refuse transfer station decrement technological transformation upgrading process in town and country according to claim 1, is characterized in that: at (d), to the waste reduction in (j) step, subtract and hold and ozonization.
3. refuse transfer station decrement technological transformation upgrading process in town and country according to claim 1, is characterized in that: at (b), to (k) step, technical process enforcement waste reduction is subtracted and held and living beings deodorizing air cleaning.
4. refuse transfer station decrement technological transformation upgrading process in town and country according to claim 1, is characterized in that: the sewage that (g) and (h) step are separated is processed and reached Ministry of Construction's standard-required and percolate is processed discharge standard input municipal wastewater pipe network and middle water reuse through high-enriched organics sewage disposal device.
5. refuse transfer station decrement technological transformation upgrading process in town and country according to claim 1, is characterized in that: (k) step is transported outward after technological transformation is processed rubbish only account for subtracting 50% below of original rubbish total amount hold more than 50% with minimizing rubbish outside freight volume.
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| CN201310745320.5A CN103706620A (en) | 2013-12-23 | 2013-12-23 | Reduction technical improvement upgrading technology for urban and rural refuse transfer station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104028544A (en) * | 2014-06-20 | 2014-09-10 | 黑龙江龙能伟业燃气股份有限公司 | Resource recycling system |
| CN104028547A (en) * | 2014-06-24 | 2014-09-10 | 深圳市龙澄高科技环保有限公司 | Municipal solid waste extreme decrement and highly resourceful treatment process and municipal solid waste extreme decrement and highly resourceful treatment device |
| CN105057324A (en) * | 2015-07-16 | 2015-11-18 | 汪大伟 | Garbage treatment and reuse device |
| CN106111669A (en) * | 2016-06-29 | 2016-11-16 | 浙江瑞丰环保科技股份有限公司 | One way of life rubbish biological dry disinfection technique |
| CN106322385A (en) * | 2015-06-30 | 2017-01-11 | 许成荫 | Dung fuel combustion boiler device |
| CN109132297A (en) * | 2018-10-16 | 2019-01-04 | 浙江青草地环境科技有限公司 | A kind of rubbish treatment in situ system and method based on garbage transfer station |
| CN112027404A (en) * | 2020-09-22 | 2020-12-04 | 广东昕旺环保科技发展有限公司 | Intelligent integrated garbage classification collection and treatment equipment |
| CN112592213A (en) * | 2020-12-31 | 2021-04-02 | 浙江丽庭环境科技有限公司 | Comprehensive treatment method for aerobic fermentation and reduction of kitchen waste in whole process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028544A (en) * | 2014-06-20 | 2014-09-10 | 黑龙江龙能伟业燃气股份有限公司 | Resource recycling system |
| CN104028547A (en) * | 2014-06-24 | 2014-09-10 | 深圳市龙澄高科技环保有限公司 | Municipal solid waste extreme decrement and highly resourceful treatment process and municipal solid waste extreme decrement and highly resourceful treatment device |
| CN104028547B (en) * | 2014-06-24 | 2017-05-10 | 深圳市龙澄高科技环保（集团）有限公司 | Municipal solid waste extreme decrement and highly resourceful treatment process and municipal solid waste extreme decrement and highly resourceful treatment device |
| CN106322385A (en) * | 2015-06-30 | 2017-01-11 | 许成荫 | Dung fuel combustion boiler device |
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| CN106111669A (en) * | 2016-06-29 | 2016-11-16 | 浙江瑞丰环保科技股份有限公司 | One way of life rubbish biological dry disinfection technique |
| CN109132297A (en) * | 2018-10-16 | 2019-01-04 | 浙江青草地环境科技有限公司 | A kind of rubbish treatment in situ system and method based on garbage transfer station |
| CN112027404A (en) * | 2020-09-22 | 2020-12-04 | 广东昕旺环保科技发展有限公司 | Intelligent integrated garbage classification collection and treatment equipment |
| CN112592213A (en) * | 2020-12-31 | 2021-04-02 | 浙江丽庭环境科技有限公司 | Comprehensive treatment method for aerobic fermentation and reduction of kitchen waste in whole process |
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Application publication date: 20140409 |