CN102319719A - Comprehensive recycling treatment method of domestic garbage in villages and towns - Google Patents
Comprehensive recycling treatment method of domestic garbage in villages and towns Download PDFInfo
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- CN102319719A CN102319719A CN 201110197193 CN201110197193A CN102319719A CN 102319719 A CN102319719 A CN 102319719A CN 201110197193 CN201110197193 CN 201110197193 CN 201110197193 A CN201110197193 A CN 201110197193A CN 102319719 A CN102319719 A CN 102319719A
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Abstract
The invention discloses a comprehensive recycling treatment method of domestic garbage in villages and towns. The method comprises the following steps: adopting a garbage sorting collection vehicle to collect putrescible organic garbage and other types of garbage in living areas of the villages and the towns, performing crushing and evenly-mixing pretreatment on the putrescible organic garbage, then performing aerobic static composting and screening after the compost is decomposed thoroughly and becomes stable; and performing compression pretreatment on the other types of the garbage, and then transporting to a garbage incineration power plant for disposal. The garbage compost product can be used for agriculture and forestry production or used as a soil improver for improving the soil manurial effect and the content of organic matters; and the garbage diversion is performed by composting, thereby significantly reducing the garbage incineration amount and reducing pollution risks, such as dioxin and the like. The reduction and harmless and recycling treatment of the garbage can be realized, the potential environmental pollution risk is effectively reduced and the significant social, economic and environmental benefits are realized.
Description
Technical field
The present invention relates to a kind of domestic garbage resource integrated conduct method.
Background technology
Follow the raising of expanding economy and farmers' income, great change has taken place in the rural area consumption structure, and the corresponding life in the countryside rubbish total amount that causes increases fast.According to statistics, in state-owned more than 40,000 villages and small towns, rural areas accounts for 90% of area, people in the countryside about 7.13 hundred million.Ministry of Public Health investigation shows that the house refuse amount of rural area everyone generation every day at present is 0.86 kilogram, and the annual house refuse amount in national rural area is near 300,000,000 tons.Along with the conservation culture village builds, the new socialist countryside is built, the priority of the moderately well-off environmental action plan in rural area is implemented, the treatment and disposal of life in the countryside rubbish will become the focus of the Chinese government from now on management.
At present; In the vast rural area of China; The processing mode of house refuse is main with the simple and easy landfill that technology falls behind most mainly; Basically do not take any effective pollution prevention measure, cause the percolate, stench and the greenhouse gases that contain high concentration organic contaminant in a large number directly to enter environment, the health and the safety of drinking water of rural ecological environment in serious threat.Burning is the another kind of main mode that handle China rural garbage, the open-air or local method burning disposal mode of main employing, and process facility is very simple and crude.Because the rural garbage water content is high, calorific value is low; Incomplete combustion; Do not take any gas cleaning measure in the burning process, hazardous contaminants such as a large amount of flying dust 、 bioxin that burning process produces, carbon monoxide, residue discharge arbitrarily, cause serious secondary pollution.The villages and small towns house refuse is main with mixed collection; Directly, not only increase the potential safety hazard of landfill yard, reduce the waste incineration calorific value higher can the mixing with other rubbish by rotten organic waste of moisture content; And serious waste resource, recycling that especially can rotten organic waste is ignored by serious.On the other hand, since not enough to the understanding of domestic rubbish disposal with management, cause the domestic rubbish disposal disposal technology extensive single; Caused serious secondary pollution; The minimizing weak effect, the recycling rate is low, and the environmental problem that the life in the countryside garbage disposal produces becomes increasingly conspicuous.Present stage, the domestic research of handling for the villages and small towns domestic garbage resource is more backward, lacks effective comprehensive treatment technique of mature economy and means.Therefore, develop efficient and rational villages and small towns domestic refuse resource treatment technology control China villages and small towns house refuse is polluted, realize that minimizing, resource, the harmless treatment of house refuse disposed significant.
Summary of the invention
The objective of the invention is to villages and small towns house refuse content of organic matter height and low, the with serious pollution characteristics of recycling rate; The resource treatment technique method of a kind of villages and small towns house refuse is provided; To improve the recycling treatment utilization rate and the minimizing effect of villages and small towns house refuse, control the secondary pollution that produces in the villages and small towns domestic rubbish disposal process simultaneously.
For reaching above-mentioned purpose, villages and small towns of the present invention domestic garbage resource integrated conduct method may further comprise the steps:
1) to the living area, villages and small towns can rotten organic waste adopt special-purpose garbage truck classification to be transported to domestic rubbish disposal station, villages and small towns with other rubbish, said other rubbish is meant except that rubbish that can be the rotten organic waste;
2) to carrying out broken mixing preliminary treatment by rotten organic waste; Regulate moisture content to 40% ~ 50%, carbon-nitrogen ratio to 20 ~ 30 of initial material with auxiliary material; The inoculation stable compost that becomes thoroughly decomposed carries out aerobic static compost then and handles simultaneously, treats can rotten organic waste to become thoroughly decomposed and sieves after stable; Screenings is as organic fertilizer or soil conditioner utilization, and oversize is incorporated other rubbish into;
3) other rubbish is compressed preliminary treatment, concentrate then to be transported to domestic garbage burning electricity generation factory;
4) leachate and the stench that produce in above-mentioned aerobic static compost of centralized collection and the rubbish compression process adopt " anaerobism+aerobic+oxidation pond " technology to carry out a biological disposal upon for leachate, back up to standard discharging or reuse; Adopt the charcoal absorption filtration system to handle for stench, enter atmosphere and reuse after up to standard.
Among the present invention, said charcoal absorption filtration system comprises the vegetable layer of active carbon layer, matured compost layer and deodorizing from bottom to top successively.
Among the present invention, the auxiliary material of the initial material water ratio of said adjusting is rural area biomass castoff (dry branches and fallen leaves, beans stalk, field organic wastes such as stalk) and feces of livestock and poultry.
Usually, can be rotten the broken particle diameter of organic waste between 12 ~ 60 mm.
The beneficial effect that the present invention has is:
1, significantly improves villages and small towns domestic garbage resource processing and utilizing rate
Traditional garbage disposal disposal technology is extensive single, can carry out can directly slatterning by rotten organic waste of recycling treatment utilization in the house refuse, and the cost of landfill or burning and pollution risk rising, and the problem of environmental pollution in villages and small towns highlights.The present invention receives fortune villages and small towns house refuse through classification; With wherein can carry out compost treatment by rotten organic waste; The compost discharging can make organic fertilizer or soil conditioner is applied to agriculture and forestry production; Prevent the diffusion of secondary pollution in the composting process simultaneously through leachate and odor pollution collection processing system implementing, resource, harmless treatment utilization that final realization can rotten organic waste.
2, obviously strengthen villages and small towns house refuse minimizing effect
Because the main component of villages and small towns house refuse is can rotten organic waste (up to 70%), it is carried out the compost treatment shunting after, other quantity of refuse that is transported to burning electricity generation factory significantly reduces.
3, effectively improve villages and small towns house refuse pollution situation
The main processing mode of the house refuse in villages and small towns is simple and easy landfill and burning, and resource utilization is low, and secondary pollution is serious.The present invention wherein can carry out aerobic static compost by rotten organic waste to carrying out the integrated treatment of " aerobic static compost+burning " through sorted house refuse, and the pollution in the control composting process, and other rubbish then burns.Because leachate and odor pollution are effectively addressed in the composting process, and burn other garbage energy that does not contain high-moisture percentage, low incinerating combustion value and reduce the risk that produces secondary pollution, the pollution in the integrated treatment process is controlled significantly.Compare with the extensive single treatment technology of tradition; Domestic garbage resource processing mode among the present invention; Not only can significantly improve villages and small towns domestic garbage resource processing and utilizing rate and minimizing effect, finally effectively improve villages and small towns house refuse pollution situation, especially to the pollution in the processing procedure.
4, demonstrate fully economy, environment, the social benefit of recycling treatment
The inventive method had both alleviated the cost of transportation of villages and small towns house refuses, can produce available organic fertilizer again; Can reduce the Yin Jianyi landfill or burn the pollution that environment is produced, also can promote minimizing, recycling treatment and the utilization of house refuse; The categorized consumer waste work in earlier stage of the successful operation inevitable requirement of recycling treatment facility is fulfilled; This will promote the villager to form good living-hygienic custom; Be convenient to the recycling of rural garbage; Reduce the life in the countryside refuse pollution, the environmental protection concept of classification and recycle is rooted in the hearts of the people, for the new socialist countryside construction contributes.Therefore, the present invention has demonstrated fully economy, environment, social benefit that the villages and small towns domestic garbage resource is handled.
5, conserve water resource prevents to pollute migration and diffusion
Leachate is reuse after treatment, regulates the moisture content of initial compost material and replenishes the required moisture of heap body in the composting process; Foul smell is reuse after treatment, can replenish heap body required air in the composting process.
The specific embodiment
Villages and small towns of the present invention domestic garbage resource processing method may further comprise the steps:
1) can rotten organic waste adopt special-purpose garbage truck classification to be transported to domestic rubbish disposal station, villages and small towns to the living area, villages and small towns with other rubbish; The said plant or the animal class biodegradable rubbish that produce in family life, the agricultural production process of can rotten organic waste mainly referring to comprises food residues such as leftovers leftovers and western-style food cake; Dish root, dish leaf, fruit is remaining, passerby's melon skin, tealeaf residue etc.; The bird excreta, animal residue, bone etc.; Dry branches and fallen leaves, beans stalk, field organic wastes such as stalk; Other rubbish is meant except that rubbish that can be the rotten organic waste;
2) to carrying out broken mixing preliminary treatment by rotten organic waste; Broken particle diameter is regulated moisture content to 40% ~ 50%, carbon-nitrogen ratio to 20 ~ 30 of initial material with rural area biomass castoff and feces of livestock and poultry between 12 ~ 60 mm, inoculate the stable compost that becomes thoroughly decomposed simultaneously; Carrying out aerobic static compost then handles; Treat can rotten organic waste to become thoroughly decomposed and sieve after stable, screenings is as organic fertilizer or soil conditioner utilization, and oversize is incorporated other rubbish into; Can become thoroughly decomposed stability index referring to agricultural industry criteria NY525-2002 by rotten organic waste;
3) other rubbish is compressed preliminary treatment, concentrate then to be transported to domestic garbage burning electricity generation factory;
4) leachate and the stench that produce in above-mentioned aerobic static compost of centralized collection and the rubbish compression process adopt " anaerobism+aerobic+oxidation pond " technology to carry out a biological disposal upon for leachate, back up to standard discharging or reuse; Adopt the charcoal absorption filtration system to handle for stench, enter atmosphere and reuse after up to standard.
Claims (4)
1. villages and small towns domestic garbage resource integrated conduct method may further comprise the steps:
1) to the living area, villages and small towns can rotten organic waste adopt special-purpose garbage truck classification to be transported to domestic rubbish disposal station, villages and small towns with other rubbish, said other rubbish is meant except that rubbish that can be the rotten organic waste;
2) to carrying out broken mixing preliminary treatment by rotten organic waste; Regulate moisture content to 40% ~ 50%, carbon-nitrogen ratio to 20 ~ 30 of initial material with auxiliary material; The inoculation stable compost that becomes thoroughly decomposed carries out aerobic static compost then and handles simultaneously, treats can rotten organic waste to become thoroughly decomposed and sieves after stable; Screenings is as organic fertilizer or soil conditioner utilization, and oversize is incorporated other rubbish into;
3) other rubbish is compressed preliminary treatment, concentrate then to be transported to domestic garbage burning electricity generation factory;
4) leachate and the stench that produce in above-mentioned aerobic static compost of centralized collection and the rubbish compression process adopt " anaerobism+aerobic+oxidation pond " technology to carry out a biological disposal upon for leachate, back up to standard discharging or reuse; Adopt the charcoal absorption filtration system to handle for stench, enter atmosphere and reuse after up to standard.
2. villages and small towns according to claim 1 domestic garbage resource integrated conduct method is characterized in that the charcoal absorption filtration system comprises the vegetable layer of active carbon layer, matured compost layer and deodorizing from bottom to top successively.
3. villages and small towns according to claim 1 domestic garbage resource integrated conduct method, the auxiliary material that it is characterized in that regulating initial material water ratio is rural area biomass castoff and feces of livestock and poultry.
4. villages and small towns according to claim 1 domestic garbage resource integrated conduct method, it is characterized in that can be rotten the broken particle diameter of organic waste between 12 ~ 60 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110197193 CN102319719A (en) | 2011-07-14 | 2011-07-14 | Comprehensive recycling treatment method of domestic garbage in villages and towns |
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| CN 201110197193 CN102319719A (en) | 2011-07-14 | 2011-07-14 | Comprehensive recycling treatment method of domestic garbage in villages and towns |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045490A (en) * | 2014-06-24 | 2014-09-17 | 齐绍武 | Method for producing soil conditioner by utilizing municipal waste |
| CN107520237A (en) * | 2017-09-06 | 2017-12-29 | 江苏省农业科学院 | A kind of residents in rural community original-source by classification collects in situ remediation method |
| CN107812772A (en) * | 2016-09-14 | 2018-03-20 | 中国科学院生态环境研究中心鄂尔多斯固体废弃物资源化工程技术研究所 | A kind of rubbish Whole Course Management method for being suitable to scattered agriculture and animal husbandry family |
| CN108299026A (en) * | 2018-04-09 | 2018-07-20 | 北京环境工程技术有限公司 | A kind of system and processing method of the organic wet refuse of Relatively centralized treatment in situ |
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| JP2000109386A (en) * | 1998-10-01 | 2000-04-18 | Asahi Kankyo System Kk | Composting method of organic waste and evaluation method of composted material thereby |
| JP2004099426A (en) * | 2002-05-09 | 2004-04-02 | Yoshiji Sakamoto | Method for producing organic fertilizer utilizing organic waste |
| CN101555169A (en) * | 2009-05-08 | 2009-10-14 | 广州天河奥特农化新技术有限公司 | Scale high-speed composting treatment method of organic wastes |
| CN101580324A (en) * | 2008-05-13 | 2009-11-18 | 上海复辰环保科技有限公司 | Method applied to new village sewage treatment |
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2011
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Patent Citations (4)
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| JP2000109386A (en) * | 1998-10-01 | 2000-04-18 | Asahi Kankyo System Kk | Composting method of organic waste and evaluation method of composted material thereby |
| JP2004099426A (en) * | 2002-05-09 | 2004-04-02 | Yoshiji Sakamoto | Method for producing organic fertilizer utilizing organic waste |
| CN101580324A (en) * | 2008-05-13 | 2009-11-18 | 上海复辰环保科技有限公司 | Method applied to new village sewage treatment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045490A (en) * | 2014-06-24 | 2014-09-17 | 齐绍武 | Method for producing soil conditioner by utilizing municipal waste |
| CN107812772A (en) * | 2016-09-14 | 2018-03-20 | 中国科学院生态环境研究中心鄂尔多斯固体废弃物资源化工程技术研究所 | A kind of rubbish Whole Course Management method for being suitable to scattered agriculture and animal husbandry family |
| CN107520237A (en) * | 2017-09-06 | 2017-12-29 | 江苏省农业科学院 | A kind of residents in rural community original-source by classification collects in situ remediation method |
| CN108299026A (en) * | 2018-04-09 | 2018-07-20 | 北京环境工程技术有限公司 | A kind of system and processing method of the organic wet refuse of Relatively centralized treatment in situ |
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Application publication date: 20120118 |