CN101036916A - Domestic waste comprehensive treatment technology based on the pre-processing - Google Patents
Domestic waste comprehensive treatment technology based on the pre-processing Download PDFInfo
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- CN101036916A CN101036916A CNA2007100111165A CN200710011116A CN101036916A CN 101036916 A CN101036916 A CN 101036916A CN A2007100111165 A CNA2007100111165 A CN A2007100111165A CN 200710011116 A CN200710011116 A CN 200710011116A CN 101036916 A CN101036916 A CN 101036916A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Abstract
A technology based on the household garbage of the biology pretreatment, belongs to the environmental protection technical field, which is characterized by including a garbage manual presorting, the biology pretreatment, the garbage compost and the refuse burning technology. After the household garbage is sorted manually, the garbage is divided into four kinds: the tile stone component is used for roadbuilding or filling the pit, the recoverable component is reclaimed to use; the hazardous waste is sent to the hazardous waste disposal work for centralized disposition; after the residual garbage processes the biology pretreatment, and is sorted into the biodegradable component and the combustible constituent by the machine, while the biodegradable component processes the land use after composting, and the combustible constituent is fired for process. The effect and the benefit of the invention are to make the domestic garbage for a rational utilization after sorting, without processing the percolate and setting the sanitary landfill field. The invention realizes the 'innocuity, decrement, resource', reduces the cost of investment and the operating cost, which accords with the situation of China, and a reliable and effective household garbage comprehensive approach.
Description
Technical field
The invention belongs to environmental technology field, relate to a kind of technology of carrying out integrated treatment based on the house refuse of Biological Pretreatment.According to China's application of city life garbage biodegradable component content height, water content is big, calorific value is low characteristics, house refuse is effectively classified, and handle respectively according to different types of rubbish.
Background technology
Present domestic rubbish disposal technology both domestic and external, all turn to target with innoxious, minimizing, resource, the most frequently used processing method mainly contains landfill, burning and compost, the scope of application that they are had nothing in common with each other and condition, angle analysis from recycling economy, have only the overall process of the source, collection, transportation and the processing that produce from rubbish to manage, could accomplish innoxious, the minimizing and the resource of rubbish veritably.
Up at present, the method of simple stacking is still adopted in domestic a lot of cities and towns, because rubbish is a kind of extremely complicated refuse, because biodegradation and chemical action, As time goes on can rot gradually and biodegradation, generation has the percolate of serious harm and the biogas of explosion potential is arranged, and percolate is the further polluted underground water of possibility also, causes serious threat for the health of humans and animals.Sanitary landfill method, in landfill yard bottom be covered with impervious material on every side, and lay catchment and weeper drain to discharge percolate, can solve the problem of percolate polluted underground water.But biodegradable component content height, the water content of China's townm refuse are big at present, directly adopt the landfill disposal method, the cost of transportation height, and the land occupation area is big, and the landfill process will produce a large amount of percolates, and it is big to handle the percolate difficulty; Composting process can make debirs slaking and stabilisation with the method for perishable organic matter by aerobic or anaerobic composting, kill harmful germ and worm's ovum, thereby reach innoxious, and can make organic nutrient soil, but compost only is applicable to the surplus organic waste that waits in biodegradable kitchen, domestic rubbish generally adopts mixed collection at present, directly adopts the compost treatment technology to cause compost impurity content height, fertilizer efficiency too low, can't use; Burning method is a kind of high-temperature process technology of rubbish, its great advantage is that minimizing and innoxious degree are higher, burn the heat that produces and can be used for generating and heat supply, residue is landfill directly, can significantly reduce the volume and weight of refuse, at present the modern city of developed country and domestic economy prosperity all is widely used abroad, but burning method has relatively high expectations to the calorific value of rubbish, and the situation of the most of townm refuses of China all is not suitable for carrying out direct burning disposal.And the high-moisture percentage waste of low heating value is easy to generate pollutants such as dioxin, operating cost height in burning process.
In view of the actual characteristic of China's rubbish and the limitation separately of sanitary landfills, burning and compost treatment, adopt the garbage comprehensive treatment technology of multiple waste disposal method optimum organization, to obtain best environmental benefit, social benefit and economic benefit.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome the limitation of traditional life waste disposal method, at China's application of city life garbage mixed collection, characteristics such as calorific value is low, water content is high, ash content is big, propose a kind ofly, methods such as compost, burning and the cyclic utilization of waste are organically combined consumer waste comprehensively processing method based on the Biological Pretreatment technology.
Technical scheme of the present invention is:
This life-garbage comprehensive treatment technology comprises technologies such as the pre-sorting of rubbish, Biological Pretreatment, organic waste compost and burning disposal, and the concrete step is poly-as follows:
1, the pre-sorting of rubbish: at first house refuse is carried out artificial pre-sorting to house refuse in pre-sorting workshop, house refuse is divided into 4 classes: brick and tile stone component, recyclable component, hazardous waste component and remaining ingredient; Can be used for the building the road filler and fill out the hole of brick and tile stone component wherein comprises the composition of recyclable utilizations such as glassy metal class in the recyclable component, can directly recycle; Hazardous wastes such as battery sight fluorescent tube belong to the hazardous waste component, send the useless center of danger to centrally dispose; Residue rubbish is delivered to the Biological Pretreatment workshop after Mechanical Crushing.
2, Biological Pretreatment: the residue rubbish after the Mechanical Crushing is delivered to the Biological Pretreatment workshop, carries out Biological Pretreatment; Utilize microorganism that biodegradable garbage is carried out aerobic fermentation, in the aerobic fermentation process, stockpile is carried out stirring intermittence, by means of the biological respinse heat and the draught effect of preprocessing process, make that moisture partly evaporates in the rubbish, collect the percolate that produces in this process simultaneously; The Biological Pretreatment process can effectively reduce the moisture content of rubbish, changes the mechanical characteristic and the size distribution of biodegradable garbage.The Biological Pretreatment process needs 4-6 days, enters mechanical sorting then, utilizes rotary screen that most of biodegradable garbage is separated.
3, organic waste compost: the moisture content through the biodegradable garbage after the preliminary treatment separation significantly reduces, and can utilize percolate moisture as a supplement, regulates composting process.The compost treatment process of this sample technology is the biodegradable garbage humification, and consumes percolate in composting process, avoided percolate is carried out the purified treatment flow process.
4, burning disposal: the moisture content through the combustiblerefuse after the Biological Pretreatment separation significantly reduces, and moisture content can drop to below 50%; Refuse thermal value is improved significantly, and calorific value reaches more than the 8000kJ/kg, need not add auxiliary fuel like this and get final product sustained combustion.
The bottom ash that burns generation is used from the brick and tile stone one that sub-elects before builds the road filler and fills out the hole, and the flying dust that burning produces is sent to hazardous waste treatment plant with the hazardous waste that sub-elects before and is cured processing back landfill.
Burning process adopts the discharging that combustion is preceding, dioxin is controlled in the combustion neutralization triple measures in combustion back, adopt the PVC plastics class material that pre-classification techniques will be rich in the chlorine element to pick before the combustion, pass through the generation that control combustion conditions (3T) suppresses the dioxin predecessor in the combustion, the combustion back removes the dioxin in the flue gas by the cleaning of flue gas chilling, charcoal absorption technology.These three kinds of measures can be reduced to 0.5ng/Nm with the dioxin concentration in the flue gas
3Below the TEQ.
Effect of the present invention and benefit are: by the artificial pre-sorting of house refuse, Mechanical Crushing, Biological Pretreatment, methods such as mechanical sorting, house refuse is classified, different types of rubbish is handled respectively, inert substance such as brick and tile stone and burn bottom ash can be used for building the road filler or fill out the hole, metal, recyclable materials such as glass are recycling, battery, hazardous waste such as fluorescent tube and flying ash is delivered to the useless treatment plant of special danger and is handled, the kitchen is surplus, perishable rubbish such as pericarp carries out can be made into organic nutrient soil after the compost treatment and is used for the soil utilization, combustible material carries out burning disposal and the heat energy that produces is recycled, the house refuse of mixed collection is fully classified and utilization rationally, and need not handle percolate in the technology and sanitary filling field is set.
This technology invention has not only realized house refuse " innoxious, minimizing, resource ", and has reduced cost of investment and operating cost, meets the actual conditions of China's actual conditions and domestic townm refuse, is reliable, effective consumer waste comprehensively processing method.
Description of drawings
Accompanying drawing is a process chart of the present invention.
The specific embodiment
Be described in detail specific embodiments of the invention below in conjunction with technical scheme and accompanying drawing.
After garbage truck was weighed, rubbish was introduced in the rubbish storage tank of airtight reinforced concrete structure, and the design of rubbish storage tank bottom angled is collected percolate and drained into the diafiltration liquid pool.Rubbish is sent into artificial pre-sorting workshop, enters the sorting belt conveyor, carries out artificial person, removes most of hazardous waste (battery, fluorescent tube etc.), reclaimable waste (metal, glass etc.) and brick and tile stone.The residue waste component arrives the prose style free from parallelism of equivalent diameter less than 50mm through crusher in crushing.Broken back residue waste component enters the Biological Pretreatment unit, carries out aerobic fermentation under action of microorganisms, collects the percolate that this process produces, and drains into the diafiltration liquid pool.Residue garbage utilization rotary screen carries out mechanical sorting, biodegradable garbage is able to separate with non-biodegradable garbage because particle diameter significantly reduces, and biodegradable garbage carries out compost treatment, non-biodegradable garbage belongs to combustible material, by the grate incinerator burning disposal.Use the msw water content in the percolate adjusting composting process, save percolate treating process, the fertilizer that utilizes as the soil behind the garbage compost.In the combustible material burning process, burning the bottom ash and the brick and tile stone that produce is mixed for building the road and filling out the hole, flying dust that burning produces and hazardous waste are delivered to hazardous waste treatment plant and are centrally disposed, burn the flue gas that produces and remove harmful substances such as dioxin, HCl, oxysulfide and nitrogen oxide, burn the heat that produces and recycle through waste heat boiler through flue gas treating process.
Claims (1)
1. the life-garbage comprehensive treatment technology based on Biological Pretreatment comprises the pre-sorting of rubbish, Biological Pretreatment, organic waste compost and burning disposal technology, it is characterized in that following steps:
(1) the pre-sorting of rubbish: house refuse is carried out artificial pre-sorting to house refuse in pre-sorting workshop, house refuse is divided into 4 classes: brick and tile stone component, recyclable component, hazardous waste component and remaining ingredient; Be used to the build the road filler and fill out the hole of brick and tile stone component wherein comprises the composition of recyclable utilizations such as glassy metal class, directly recycling in the recyclable component; Hazardous wastes such as battery fluorescent tube belong to the hazardous waste component, send the useless center of danger to centrally dispose; Residue rubbish is delivered to the Biological Pretreatment workshop after Mechanical Crushing;
(2) Biological Pretreatment: the residue rubbish after the Mechanical Crushing is delivered to the Biological Pretreatment workshop, carries out Biological Pretreatment; Utilize microorganism that biodegradable garbage is carried out aerobic fermentation, in the aerobic fermentation process, stockpile is carried out stirring intermittence, by means of the biological respinse heat and the draught effect of preprocessing process, make that moisture partly evaporates in the rubbish, collect the percolate that produces in this process simultaneously; Biological Pretreatment process 4-6 days enters mechanical sorting, utilizes rotary screen that most of biodegradable garbage is separated;
(3) organic waste compost: the moisture content through the biodegradation rubbish after the preliminary treatment separation significantly reduces, and utilizes percolate moisture as a supplement, regulates composting process;
(4) burning disposal: the moisture content through the combustion rubbish after the Biological Pretreatment separation significantly reduces, and moisture content drops to below 50%; Refuse thermal value is improved significantly, and calorific value reaches more than the 8000kJ/kg, with its burning; The bottom ash that burns generation is used from the brick and tile stone one that sub-elects before builds the road filler and fills out the hole, and the flying dust that burning produces is sent to hazardous waste treatment plant with the hazardous waste that sub-elects before and is cured processing back landfill; Burning process adopts the discharging that combustion is preceding, dioxin is controlled in the combustion neutralization triple measures in combustion back, and the dioxin concentration in the flue gas is reduced to 0.5ng/Nm
3Below the TEQ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100111165A CN101036916A (en) | 2007-04-24 | 2007-04-24 | Domestic waste comprehensive treatment technology based on the pre-processing |
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| CNA2007100111165A CN101036916A (en) | 2007-04-24 | 2007-04-24 | Domestic waste comprehensive treatment technology based on the pre-processing |
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| CN101036916A true CN101036916A (en) | 2007-09-19 |
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| CNA2007100111165A Pending CN101036916A (en) | 2007-04-24 | 2007-04-24 | Domestic waste comprehensive treatment technology based on the pre-processing |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107203A (en) * | 2010-11-22 | 2011-06-29 | 天津泰达环保有限公司 | Method for strengthening dehydrating, and stacking and fermentation of garbage |
| CN102642879A (en) * | 2012-04-27 | 2012-08-22 | 环境保护部华南环境科学研究所 | Method for treating landfill leachate and waste incineration fly ash simultaneously by adopting formulation and synergistic technology |
| CN102699012A (en) * | 2011-06-14 | 2012-10-03 | 李康敏 | Garbage diversion reduction treatment process as well as equipment implementing same |
| CN102767829A (en) * | 2012-07-13 | 2012-11-07 | 李登平 | Waste pretreatment process and waste treatment system applying same |
| CN103418599A (en) * | 2013-07-20 | 2013-12-04 | 大连理工大学 | Method for circulating and processing sewage through mechanical screen and rotting garbage in pits |
| CN103911170A (en) * | 2013-01-08 | 2014-07-09 | 陈开明 | Method for producing RDF6 by pyrolyzing municipal solid wastes at high temperature |
| CN104668271A (en) * | 2015-01-30 | 2015-06-03 | 湖南大学 | Method for promoting rapid stabilization of landfills |
| CN104858217A (en) * | 2015-05-30 | 2015-08-26 | 杭州扬中科技有限公司 | Comprehensive treatment technology for household garbage |
| CN106316020A (en) * | 2016-08-16 | 2017-01-11 | 中电建水环境治理技术有限公司 | Garbage sorting regeneration system for treating rive and lake pollution bottom mud |
| CN106881337A (en) * | 2017-04-19 | 2017-06-23 | 江苏雪枫环保科技有限公司 | A kind of many output formula biologic garbage processing equipments |
| CN107116091A (en) * | 2017-06-28 | 2017-09-01 | 四川壹家易信息技术有限公司 | For the integrated processing module of house refuse |
| CN108580526A (en) * | 2018-05-22 | 2018-09-28 | 阿尔法环能生物能源有限公司 | A kind of method for comprehensively treating rubbish |
| CN108941148A (en) * | 2018-05-15 | 2018-12-07 | 黄解放 | A kind of Waste sorting recycle utilizes method |
| CN111659701A (en) * | 2020-06-13 | 2020-09-15 | 北海市传创环保科技有限公司 | Harmless recycling device and recycling method for municipal domestic garbage |
| CN111687168A (en) * | 2020-05-21 | 2020-09-22 | 上海环境卫生工程设计院有限公司 | Method for co-melting waste incineration ash |
| CN112101149A (en) * | 2020-08-31 | 2020-12-18 | 江苏工程职业技术学院 | Building waste classification method and system |
-
2007
- 2007-04-24 CN CNA2007100111165A patent/CN101036916A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107203A (en) * | 2010-11-22 | 2011-06-29 | 天津泰达环保有限公司 | Method for strengthening dehydrating, and stacking and fermentation of garbage |
| CN102699012A (en) * | 2011-06-14 | 2012-10-03 | 李康敏 | Garbage diversion reduction treatment process as well as equipment implementing same |
| CN102642879A (en) * | 2012-04-27 | 2012-08-22 | 环境保护部华南环境科学研究所 | Method for treating landfill leachate and waste incineration fly ash simultaneously by adopting formulation and synergistic technology |
| CN102767829A (en) * | 2012-07-13 | 2012-11-07 | 李登平 | Waste pretreatment process and waste treatment system applying same |
| CN102767829B (en) * | 2012-07-13 | 2014-09-17 | 李登平 | Waste pretreatment process and waste treatment system applying same |
| CN103911170A (en) * | 2013-01-08 | 2014-07-09 | 陈开明 | Method for producing RDF6 by pyrolyzing municipal solid wastes at high temperature |
| CN103418599A (en) * | 2013-07-20 | 2013-12-04 | 大连理工大学 | Method for circulating and processing sewage through mechanical screen and rotting garbage in pits |
| CN103418599B (en) * | 2013-07-20 | 2015-03-11 | 大连理工大学 | Method for circulating and processing sewage through mechanical screen and rotting garbage in pits |
| CN104668271A (en) * | 2015-01-30 | 2015-06-03 | 湖南大学 | Method for promoting rapid stabilization of landfills |
| CN104858217A (en) * | 2015-05-30 | 2015-08-26 | 杭州扬中科技有限公司 | Comprehensive treatment technology for household garbage |
| CN104858217B (en) * | 2015-05-30 | 2017-12-12 | 杭州扬中科技有限公司 | A kind of life-garbage comprehensive treatment technology |
| CN106316020A (en) * | 2016-08-16 | 2017-01-11 | 中电建水环境治理技术有限公司 | Garbage sorting regeneration system for treating rive and lake pollution bottom mud |
| CN106881337A (en) * | 2017-04-19 | 2017-06-23 | 江苏雪枫环保科技有限公司 | A kind of many output formula biologic garbage processing equipments |
| CN107116091A (en) * | 2017-06-28 | 2017-09-01 | 四川壹家易信息技术有限公司 | For the integrated processing module of house refuse |
| CN108941148A (en) * | 2018-05-15 | 2018-12-07 | 黄解放 | A kind of Waste sorting recycle utilizes method |
| CN108580526A (en) * | 2018-05-22 | 2018-09-28 | 阿尔法环能生物能源有限公司 | A kind of method for comprehensively treating rubbish |
| CN111687168A (en) * | 2020-05-21 | 2020-09-22 | 上海环境卫生工程设计院有限公司 | Method for co-melting waste incineration ash |
| CN111659701A (en) * | 2020-06-13 | 2020-09-15 | 北海市传创环保科技有限公司 | Harmless recycling device and recycling method for municipal domestic garbage |
| CN112101149A (en) * | 2020-08-31 | 2020-12-18 | 江苏工程职业技术学院 | Building waste classification method and system |
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Open date: 20070919 |