CN103272825A - Reduced technological upgrading process method of rural and urban refuse transfer station - Google Patents
Reduced technological upgrading process method of rural and urban refuse transfer station Download PDFInfo
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- CN103272825A CN103272825A CN2013101668006A CN201310166800A CN103272825A CN 103272825 A CN103272825 A CN 103272825A CN 2013101668006 A CN2013101668006 A CN 2013101668006A CN 201310166800 A CN201310166800 A CN 201310166800A CN 103272825 A CN103272825 A CN 103272825A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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Abstract
The invention discloses a reduced technological upgrading process method of a rural and urban refuse transfer station. Garbage is used for incineration-power generation or landfill capacity reduction by sorting out household refuse, kitchen waste and large waste to be treated and utilizing the treatment schemes such as bag-breaking screening, air-flow sorting, metal separating, dewatering, compressing and packing, so as to achieve the target of quantity and capacity reduction of the waste. The reduced technological upgrading process method is reasonable in technological design, strong in maneuverability, and free of building of a large garbage dump; the landfill capacity of the existing garbage dump is directly utilized to carry out sorting and compressing treatment; the capital operation cost and the cost are reduced to the maximal extent; the hazard of toxic and harmful substances is reduced to the minimal extent; secondary pollution on the environment caused by the garbage is solved; and the social benefit is significant.
Description
Technical field
The invention belongs to garbage treating process, refer to a kind of town and country waste reduction volume reducing treamtent especially.
Background technology
Along with economic growth and social progress; urban population sharply increases, and the quantity of all kinds of rubbish is also linearly rising, and especially house refuse increases with the ratio in every year 5%～6%; become puzzlement people's urgent situation, rubbish has become the especially big difficult problem of current town development and environmental protection.
For this reason, the mode one that people take is that rubbish is burned, but the essence of waste incineration is oxidation reaction, when various materials are burned, harmful substance also produces simultaneously, especially is difficult to the dioxin gas stopped, and the environmental hazard that its suspension toxin buildup causes is very big, more seriously poisonous suspension enters food chain, and human body is caused the secondary injury.
Mode two is to set up the refuse collection field, but the refuse collection field need take a large amount of land areas, in the extremely limited current era of land area, along with the quantity of rubbish is cumulative, the refuse collection field always has one day that has been landfilled, so building the refuse collection field in a large number is not long suitable meter.
On the other hand, people are are constantly researching and developing biodegradation technique, but present biodegradation technique is not also realized important breakthrough, just local input experiment among a small circle, and the input of biodegradation technique is up to billions of units, and biodegradable widespread usage is subjected to great limitation equally.
Summary of the invention
Design drawback at prior art, the present invention is intended to disclose a kind of town and country refuse transfer station decrement technological transformation process, use PROCESS FOR TREATMENT technology of the present invention can greatly reduce msw water content, improve the incineration firing calorific value, and for burning electricity generation, save combustion-supporting energy and material, shorten the waste deposit time, the generation of stopping poisonous and harmful substance.
For reaching above-mentioned technical purpose, technical scheme of the present invention comprises the steps: a kind of town and country refuse transfer station decrement technological transformation process, it is characterized in that: living standard of urban and rural population rubbish and unit dining room and restaurant, restaurant changing food waste are transported to classify regeneration and decrement of town and country refuse transfer station and subtract to hold and handle by collecting unified receipts of unit, carried out claiming the back by the artificial and auxiliary sorting of plant equipment in the rubbish of collecting, just sub-elect house refuse and changing food waste and waste material three major types, handle respectively and utilize, specifically comprise following processing step:
(1), domestic rubbish disposal: a, house refuse at first utilize bag-breaking machine to carry out broken bag, sieving with screening machine after the packed house refuse broken bag, perhaps directly carry out the broken bag screening with drum broken bag screening all-in-one, sieving out format diameter is below the 150MM, length is that 250MM is with interior oval or circular rubbish, rubbish after the screening is divided into oversize and screenings, oversize belongs to lightweight class and middle matter class rubbish, screenings belongs to the heavy house refuse, and its water content accounts for more than 85% of heavy house refuse total amount.The heavy house refuse utilization electricity magnetic separator of b, screenings sub-elects ferrous metal, utilize the non-ferrous metal separator to separate copper, aluminium, nickel, zinc, tin, remaining heavy house refuse water content is up to more than 50%, by the squeezing dewatering machine decrement of dewatering, make moisture content be reduced to 20%, the sewage after the squeezing dewatering machine dehydration is connected to municipal wastewater treatment plant and handles back up to standard discharging.C, casing through the house refuse after the dehydration is transported to garbage incinerating power plant or harmless treatment is carried out in refuse landfill.Oversize after d, the screening is divided into lightweight class and middle matter class rubbish, and water content is all below 30%, utilizes airflow separator to isolate plastic sheeting and the papery waste and old material carries out the reclaiming utilization, realizes " minimizing, resource, innoxious ".Matter class rubbish is implemented artificial separation again in e, the remainder, sorts out vial, leather, footwear, timber, plastics, metal waste and old material at delivery platform with the way of artificial separation.After f, the process artificial separation, adopt electric magnetic separator separating ferrum metalloid material in middle matter class rubbish, adopt the non-ferrous metal separator to separate copper, aluminium, nickel, zinc, tin.G, handle through above-mentioned technological process after, the remaining waste material that belongs to non-renewable utilization is transported to garbage incinerating power plant through overcompression packing encapsulation and handles, and effectively as the burning electricity generation energy fuel, improves generated energy and cuts operating costs greatly.
(2), changing food waste is handled: a, resident's household kitchen wastes that transportation comes will be collected, remaining food and the rubbish from cooking of the swill of restaurant, restaurant and hospital of school institutional settings dining room, utilize oil water separator to isolate oily substance earlier, isolated oily substance is delivered to Fine Chemical Works and carries out regeneration, processing downstream fine chemical product, the residue garbage utilization squeezing dewatering machine of isolating behind the oily substance carries out press dewatering, dewater to moisture content be below 40%, the sewage that dehydration produces is connected to the municipal wastewater pipe network and enters sewage treatment plant and handle back up to standard discharging.B, the solid matter behind press dewatering sieve again, select organic substance and foreign material with sifted, the direct decrement 5%～25% of rubbish after sieving, organic substance is for the manufacture of fertilizer, the bone class material that sub-elects in the organic substance carries out deep processing and makes bone meal for making feed and fertilizer raw material, the food that sub-elects in the organic substance is made fertilizer, and foreign material are transported to garbage incinerating power plant processing or landfill disposal through overcompression packing encapsulation.
The technical scheme of technology of the present invention also comprises: described screening machine is the rotary screen extension set.
Compared with prior art, the present invention has following outstanding technique effect: fixed assets drop into little, take up an area of and lack, and operating cost is low.As calculated, this technological process is handled the house refuse total amount and can be reduced more than 30%, but adds changing food waste decrement 35%～55%.Comparing with original landfill can reach more than 35%～55% except decrement, subtracts to hold to reach more than 65%.Landfill space is dwindled greatly, accounts for original landfill 24.5% storage capacity, and compression packing proportion reaches more than 1: 1, accelerates the sedimentation of original landfill storage capacity, enlarges storage capacity, prolongs landfill yard and reaches more than 4 times service life.Reduce moisture content greatly, improve the incineration firing calorific value, be conducive to burning electricity generation, and generated energy is big; And save combustion-supporting energy and material and resting period, reduce operating cost, the generation of increasing economic efficiency and stopping poisonous and harmful substance.This technology is workable, recycling utilization rate height.Real " minimizing, resource, the innoxious " target that realizes.
Description of drawings
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
Fig. 1 shows most preferred embodiment of the present invention, refuse transfer station decrement technological transformation process in town and country of the present invention is that living standard of urban and rural population rubbish and unit dining room and restaurant, restaurant changing food waste are transported to classify regeneration and decrement of town and country refuse transfer station and subtract to hold and handle by collecting unified receipts of unit, realizes " minimizing, resource, innoxious " target.At first the rubbish of collecting is carried out claiming the back by the artificial and auxiliary sorting of plant equipment, just sub-elected house refuse and changing food waste and waste material three major types, used different process and device processes and utilization respectively, to reach the purpose that decrement subtracts appearance.
Domestic rubbish disposal technology:
1, house refuse at first utilizes bag-breaking machine to carry out broken bag, sieving with the rotary screen extension set after the packed house refuse broken bag, perhaps directly carries out the broken bag screening with drum broken bag screening all-in-one.Sieving out format diameter is below the 150MM, and length is that 250MM is with interior oval or circular rubbish.Tell oversize and screenings after the screening again, screenings belongs to the big heavy house refuse of water content, and water content accounts for more than 85% of total amount, and oversize belongs to lightweight class and middle matter class rubbish.
2, the electricity of the heavy house refuse utilization in screenings magnetic separator sub-elects ferrous metal, utilizes the non-ferrous metal separator to separate various metals such as copper, aluminium, nickel, zinc, tin.Separating metal class goods and materials can effectively carry out recycling.Remaining heavy house refuse water content is up to more than 50%, and namely a large amount of msw water contents account for more than 85% of whole house refuses, by the squeezing dewatering machine decrement of dewatering, makes moisture content be reduced to 20%.Directly decrement can reach more than 25%.Do the fermented manure processing at the screenings organic substance that the good zone of city garbage specification also can be sieved out below the 80MM again, " consumer garbage compost treatment technology standard " the CJJ/T52-93 standard that reaches is carried out regeneration.Sewage after the squeezing dewatering machine dehydration is connected to municipal wastewater treatment plant and handles back up to standard discharging.
3, case through the house refuse after the dehydration and be transported to garbage incinerating power plant or harmless treatment is carried out in refuse landfill.Msw water content after the dehydration is all below 20%.Can directly carry out burning electricity generation, reduce operating cost, needn't deposit fermented more than 5-10 days dewater again burning electricity generation or use combustion-supporting energy fuel; Be unlikely to produce and burn not thoroughly poisonous and harmful substances such as phenomenon and generation dioxin, furans.
4, the oversize after the screening can be divided into lightweight class and middle matter class rubbish again, and water content is all below 30%.Earlier isolate waste and old materials such as lightweight class plastic sheeting and papery by airflow separator and carry out the reclaiming utilization, realize " minimizing, resource, innoxious ";
5 and in the remainder matter class rubbish implement artificial separation again, sort the waste and old material such as iron flask, vial, leather, vinyl plastic footwear, timber, plastics, metal of recyclable utilization with the way of artificial separation at delivery platform.
6, through after the artificial separation, adopt electric magnetic separator separating ferrum metalloid material in middle matter class rubbish, adopt the non-ferrous metal separator to separate various metals such as copper, aluminium, nickel, zinc, tin.
7, through after the above-mentioned technological process processing, the remaining waste material that belongs to non-renewable utilization is that the compressing baling press of 25Mpa compresses packing by pressure, and the rubbish small spaces is squeezed, the outer garbage incinerating power plant that is transported to of encapsulation is handled then, as the energy fuel of burning electricity generation.Improve generated energy and cut operating costs greatly.If no burning electricity generation facility is handled, can be delivered to the landfill place and carry out harmless treatment.
The changing food waste treatment process:
1, collects resident's household kitchen wastes, the swill of restaurant, restaurant and remaining food and the rubbish from cooking of hospital of school institutional settings dining room that transportation comes.According to each regional town and country different situations, above-mentioned changing food waste accounts for 6%～30% of rubbish total amount and does not wait, and utilizes oil water separator to isolate oily substance earlier.Isolated oily substance can be delivered to Fine Chemical Works and carry out regeneration, processing downstream fine chemical product.Remaining another partly carried out press dewatering again, utilize squeezing dewatering machine to carry out press dewatering.Can dewater to moisture content be below 40%.Sewage after the dehydration connects the municipal wastewater pipe network and enters sewage treatment plant's processing back up to standard discharging.
2, the solid matter behind press dewatering sieves again, filters out available organic substance with the rotary screen extension set, for the manufacture of fertilizer or develop other products, the direct decrement 5%～25% of rubbish after sieving.Can carry out sorting again for bone class material, but artificial separation or carry out sorting with the vibration screening machine equipment.The bone class material that sub-elects carries out deep processing and makes bone meal, is used for making feed and fertilizer raw material, and food also is made as fertilizer.The material that can not utilize such as foreign material such as chopsticks, polybag compress packing under the compressing baling press of pressure for 25Mpa, the rubbish small spaces is squeezed, and the outer garbage incinerating power plant that is transported to of encapsulation is handled or landfill disposal then.
Garbage treating process of the present invention is handled the house refuse total amount and can be reduced more than 30%, but adds changing food waste decrement 35%～55%.Comparing with original landfill can reach more than 35%～55% except decrement, subtracts to hold to reach more than 65%.Landfill space is dwindled greatly, accounts for original landfill 24.5% storage capacity, and compression packing proportion reaches more than 1: 1, accelerates the sedimentation of original landfill storage capacity, enlarges storage capacity, prolongs landfill yard and reaches more than 4 times service life.
Claims (2)
1. town and country refuse transfer station decrement technological transformation process, it is characterized in that: living standard of urban and rural population rubbish and unit dining room and restaurant, restaurant changing food waste are transported to classify regeneration and decrement of town and country refuse transfer station and subtract to hold and handle by collecting unified receipts of unit, carried out claiming the back by the artificial and auxiliary sorting of plant equipment in the rubbish of collecting, just sub-elect house refuse and changing food waste and waste material three major types, handle respectively and utilize, specifically comprise following processing step:
(1), domestic rubbish disposal:
A, house refuse at first utilize bag-breaking machine to carry out broken bag, sieving with screening machine after the packed house refuse broken bag, perhaps directly carry out the broken bag screening with drum broken bag screening all-in-one, sieving out format diameter is below the 150MM, length is 250MM with interior oval or circular rubbish, and the rubbish after the screening is divided into oversize and screenings, and oversize belongs to lightweight class and middle matter class rubbish, screenings belongs to the heavy house refuse, and its water content accounts for more than 85% of heavy house refuse total amount;
The heavy house refuse utilization electricity magnetic separator of b, screenings sub-elects ferrous metal, utilize the non-ferrous metal separator to separate copper, aluminium, nickel, zinc, tin, remaining heavy house refuse water content is up to more than 50%, by the squeezing dewatering machine decrement of dewatering, make moisture content be reduced to 20%, the sewage after the squeezing dewatering machine dehydration is connected to municipal wastewater treatment plant and handles back up to standard discharging;
House refuse after c, the process dehydration is cased to be transported to garbage incinerating power plant as the burning electricity generation energy fuel or to be transported to refuse landfill and is carried out landfill;
Oversize after d, the screening is divided into lightweight class and middle matter class rubbish, and water content is all below 30%, utilizes airflow separator to isolate plastic sheeting and the papery waste and old material carries out the reclaiming utilization;
Matter class rubbish is implemented artificial separation again in e, the remainder, sorts out vial, leather, footwear, timber, plastics, metal waste and old material at delivery platform with the way of artificial separation;
After f, the process artificial separation, adopt electric magnetic separator separating ferrum metalloid material in middle matter class rubbish, adopt the non-ferrous metal separator to separate copper, aluminium, nickel, zinc, tin;
G, after steps d-f is handled, the remaining waste material that belongs to non-renewable utilization is transported to garbage incinerating power plant as the burning electricity generation energy fuel through overcompression packing encapsulation;
(2), changing food waste is handled:
A, will collect resident's household kitchen wastes, the swill of restaurant, restaurant and remaining food and the rubbish from cooking of hospital of school institutional settings dining room that transportation comes, utilize oil water separator to isolate oily substance earlier, isolated oily substance is delivered to Fine Chemical Works and carries out processing and utilization, the residue garbage utilization squeezing dewatering machine of isolating behind the oily substance carries out press dewatering, dewater to moisture content be below 40%, the sewage that dehydration produces is connected to the municipal wastewater pipe network and enters sewage treatment plant and handle back up to standard discharging;
B, the solid matter behind press dewatering sieve again, select organic substance and foreign material with sifted, the direct decrement 5%～25% of rubbish after sieving, organic substance is for the manufacture of fertilizer, the bone class material that sub-elects in the organic substance is processed and is made bone meal for making feed and fertilizer raw material, the food that sub-elects in the organic substance is made fertilizer, and foreign material are transported to garbage incinerating power plant as the burning electricity generation energy fuel or are transported to refuse landfill through overcompression packing encapsulation and carry out landfill.
2. refuse transfer station decrement technological transformation process in town and country according to claim 1, it is characterized in that: described screening machine is the rotary screen extension set.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567215A (en) * | 2013-10-28 | 2014-02-12 | 杨华 | Environment-friendly separate garbage collection, transferring and processing method |
| CN103706620A (en) * | 2013-12-23 | 2014-04-09 | 吴孔根 | Reduction technical improvement upgrading technology for urban and rural refuse transfer station |
| CN103861863A (en) * | 2014-03-21 | 2014-06-18 | 广州保绿环保科技有限公司 | Urban domestic garbage comprehensive utilization treatment method |
| CN104690063A (en) * | 2015-01-05 | 2015-06-10 | 桑德环境资源股份有限公司 | Crushing and sorting method of domestic garbage |
| CN105149320A (en) * | 2015-09-17 | 2015-12-16 | 北京铮实环保工程有限公司 | Garbage pretreatment and efficient recycling technology matched with garbage combustion system |
| CN105215045A (en) * | 2015-10-26 | 2016-01-06 | 万年县生活垃圾处理厂 | The treatment process of one way of life rubbish |
| CN105521986A (en) * | 2016-01-28 | 2016-04-27 | 深圳华云数码有限公司 | Method for sorting household garbage |
| CN108855930A (en) * | 2017-05-08 | 2018-11-23 | 张伏辰 | A kind of refuse classification method and garbage sorting system |
| 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 |
| CN109926431A (en) * | 2018-11-20 | 2019-06-25 | 环创(厦门）科技股份有限公司 | Bulky Waste treatment process |
| CN110076176A (en) * | 2019-04-18 | 2019-08-02 | 广州励美环保科技有限公司 | House refuse terminal mechanization categorizing system and method |
| CN110976472A (en) * | 2019-11-14 | 2020-04-10 | 武汉龙净环保工程有限公司 | Kitchen waste and household waste co-processing method |
| CN111170771A (en) * | 2020-01-18 | 2020-05-19 | 保定市华锐方正机械制造有限公司 | Household garbage classification transfer station and classification transfer method thereof |
| CN111760873A (en) * | 2020-05-14 | 2020-10-13 | 浙江青草地环境科技有限公司 | Domestic garbage on-site treatment method |
| CN112027403A (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 system |
| CN112495981A (en) * | 2020-09-10 | 2021-03-16 | 上海老港废弃物处置有限公司 | Method for synchronously realizing odor reduction and storage capacity saving of household garbage landfill |
| CN113695368A (en) * | 2021-07-15 | 2021-11-26 | 内蒙古鸿达科技有限公司 | Intelligent classification recycling system for municipal domestic waste |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567215A (en) * | 2013-10-28 | 2014-02-12 | 杨华 | Environment-friendly separate garbage collection, transferring and processing method |
| CN103706620A (en) * | 2013-12-23 | 2014-04-09 | 吴孔根 | Reduction technical improvement upgrading technology for urban and rural refuse transfer station |
| CN103861863A (en) * | 2014-03-21 | 2014-06-18 | 广州保绿环保科技有限公司 | Urban domestic garbage comprehensive utilization treatment method |
| CN103861863B (en) * | 2014-03-21 | 2016-04-20 | 广州保绿环保科技有限公司 | A kind of domestic waste Comprehensive utilization method |
| CN104690063A (en) * | 2015-01-05 | 2015-06-10 | 桑德环境资源股份有限公司 | Crushing and sorting method of domestic garbage |
| CN105149320A (en) * | 2015-09-17 | 2015-12-16 | 北京铮实环保工程有限公司 | Garbage pretreatment and efficient recycling technology matched with garbage combustion system |
| CN105215045A (en) * | 2015-10-26 | 2016-01-06 | 万年县生活垃圾处理厂 | The treatment process of one way of life rubbish |
| CN105521986A (en) * | 2016-01-28 | 2016-04-27 | 深圳华云数码有限公司 | Method for sorting household garbage |
| CN108855930A (en) * | 2017-05-08 | 2018-11-23 | 张伏辰 | A kind of refuse classification method and garbage sorting system |
| 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 |
| CN109926431A (en) * | 2018-11-20 | 2019-06-25 | 环创(厦门）科技股份有限公司 | Bulky Waste treatment process |
| CN110076176A (en) * | 2019-04-18 | 2019-08-02 | 广州励美环保科技有限公司 | House refuse terminal mechanization categorizing system and method |
| CN110976472A (en) * | 2019-11-14 | 2020-04-10 | 武汉龙净环保工程有限公司 | Kitchen waste and household waste co-processing method |
| CN110976472B (en) * | 2019-11-14 | 2021-07-16 | 武汉龙净环保工程有限公司 | Kitchen waste and household waste co-processing method |
| CN111170771A (en) * | 2020-01-18 | 2020-05-19 | 保定市华锐方正机械制造有限公司 | Household garbage classification transfer station and classification transfer method thereof |
| CN111760873A (en) * | 2020-05-14 | 2020-10-13 | 浙江青草地环境科技有限公司 | Domestic garbage on-site treatment method |
| CN111760873B (en) * | 2020-05-14 | 2022-02-18 | 浙江青草地环境科技有限公司 | Domestic garbage on-site treatment method |
| CN112495981A (en) * | 2020-09-10 | 2021-03-16 | 上海老港废弃物处置有限公司 | Method for synchronously realizing odor reduction and storage capacity saving of household garbage landfill |
| CN112027403A (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 system |
| CN113695368A (en) * | 2021-07-15 | 2021-11-26 | 内蒙古鸿达科技有限公司 | Intelligent classification recycling system for municipal domestic waste |
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Application publication date: 20130904 |