CN105057310A - Broken glass removing method for resource utilization of organic matter in household refuse - Google Patents
Broken glass removing method for resource utilization of organic matter in household refuse Download PDFInfo
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- CN105057310A CN105057310A CN201510487633.4A CN201510487633A CN105057310A CN 105057310 A CN105057310 A CN 105057310A CN 201510487633 A CN201510487633 A CN 201510487633A CN 105057310 A CN105057310 A CN 105057310A
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Abstract
The invention discloses a broken glass removing method for resource utilization of organic matter in household refuse. The broken glass removing method comprises the following steps of A conducting rough sorting, B conducting composting, C conducting secondary screening and D conducting repeated composting on part of the household refuse to achieve dynamic equilibrium so as to obtain high-quality nutrient soil products. The broken glass removing method has the beneficial effects that the household refuse is screened by a repeated screening machine, repeated composting and thorough decomposing are conducted on the organic matter, and therefore dynamic equilibrium of input and output is achieved; it is effectively guaranteed that nutrient soil does not contain broken glass, and the risk of products of an enterprise is lowered; and the enterprise income is maximized, and especially the social benefits are remarkable.
Description
Technical field
The present invention relates to a kind of garbage as resource to utilize, particularly relate to one way of life garbage as resource and utilize the broken minimizing technology of the glass in organic matter.
Background technology
At present, Municipal Solid Waste in China accumulation volume of cargo in storage has reached 7,000,000,000 tons.In state-owned 2/3 city be among rubbish surrounds, 1/4 stacks place without garbage loading embeading, and corresponding, be merely the treatment of urban garbage rate of about 50%, rubbish approaches urban agglomeration step by step, permeates the life of people.
At present, add up domestic according to " Urban Construction in China statistics annual report " and have three kinds of main flow domestic rubbish disposal modes: landfill; Common compost and burning.To the end of the year 2011, life in China garbage loading embeading, the process ratio of common compost and burning will be respectively 73.4%, 3.6% and 23%.
But, for the mode of this three clocks main flow domestic rubbish disposal, there is the dispute to technology, drawback etc. always.
To landfill, the principal focal point of dispute is, containing a large amount of organic matters in house refuse, after landfill, organic decomposition (and with moisture that rubbish brings) can produce percolate.Anaerobic fermentation process can produce greenhouse effects methane gas.Percolate has the character of high concentration, complicated component, extremely difficult.Containing various heavy in percolate, particularly toxic metals wherein, if quarantine measures are improper, can penetrate into underground, affect underground water source, produce the secondary pollution to periphery.Garbage loading embeading per ton about produces 40-100kg biogas (data come from Canadian Peng Binna Study of Atmospheric Environment institute Monitoring Data).With unit formula number, the greenhouse effects of methane are about 25 times of carbon dioxide.Accordingly, developed country, to sanitary landfills, emphasizes to burn the multiple means such as decrement by categorized consumer waste recovery, recycling treatment, classification, reduces the house refuse amount, particularly organic quality that enter sanitary filling field.Such as: Germany, the requirement (and execution in June, 2005) of its " final Landfills Waste Disposal Technology standard ", the rubbish containing >=5% organic matter butt in discarded object can not enter landfill yard.Accordingly, the consumer waste filling and embedding amount continuous decrease in recent years of many countries of European Union.
For burning, dispute point is the discharge of bioxin.In addition, the harm due to air pollution on human is enforceable, different from water and food, cannot take avoiding measures, abroad to the burning not adding classification, sorting, has been double cautious.Consumer waste incineration project, due to the reason such as addressing, environmental impact assessment, advances extremely difficult.Do not have the time about ten years, project cannot complete substantially.Such as: the garbage burning factory of Hong Kong planning just starts motion in 2008, and the target proposed at present within 2022, builds up to put into operation.
Abroad, house refuse just expands classification from source.Recycling treatment degree is higher.At home, although there is ragpicker, house refuse loads in mixture and enters disposal field.Therefore domestic garbage resource process, its basic point is, after house refuse enters factory, first passing through sorting that is artificial and machinery, is following a few class by categorized consumer waste:
Organic (as dish leaf, pericarp, etc.);
Combustible (as clothes, trunk, paper product, etc.);
Plastics;
Dregs;
Can direct regenerant (as glass, iron, etc.);
Danger useless (as battery etc.)
Sorted various material composition, then adopt diverse ways to process.Each becomes divisional processing preferable solution a lot, but no matter adopts which kind of scheme, and the primary condition of project success is that it must meet local various economic condition and controlled investment scale.
Domestic, many years have been done in domestic garbage resource process, but shaping, successful example is few, this is because: domestic garbage resource treatment process select crucial a bit, be to guarantee that all products have outlet, otherwise factory can cause stopping production because of the market problem of product after going into operation.And in the product, the most key is organic process (product).
Compost is carried out in organic common process, and maximum by organic material production Nutrition Soil out (fertilizer) amount of being, income is the highest.Therefore, ensureing product outlet and value, particularly improve the value of product, is one of project success whether key element, and this is also our primary tackling key problem task.
But, in some domestic garbage resource processing plants that we investigated and in the investigation of user, with in the organic material production of house refuse Nutrition Soil out, user worries the most, also being enterprise product risk maximum, is that the glass containing a large amount of in product is broken.
Summary of the invention
Technical problem to be solved by this invention is, provides one way of life garbage as resource to utilize the broken minimizing technology of the glass in organic matter.
The technical solution adopted in the present invention is: one way of life garbage as resource utilizes the broken minimizing technology of the glass in organic matter, comprises the following steps:
A. ragging;
B. compost;
C. regrading;
D. partly repeatedly compost reaches dynamic equilibrium, obtains the Nutrition Soil product that quality is high.
Described steps A comprises front end sorting:
House refuse is through dregs separator, and the Task-size Controlling of separator is in certain number 1, and being less than the glass of this certain number 1 broken is all that screenings enters dregs;
Oversize enters integrated sorter, and the Task-size Controlling of integrated sorter is in certain number 2, and the screenings being less than this certain number 2 is organic, a small amount of impurity and is greater than certain number 1 to be less than the glass of certain number 2 broken; Oversize is combustible substantially;
Oversize is entered compost by described step B, and organic matter becomes thoroughly decomposed;
Mixture after described step C becomes thoroughly decomposed enters the screening machine of certain number 3, and oversize is front end is substantially select the clean combustible such as polybag fragment, paper chips, twig, and screenings is still organic and contains the broken mixture of glass;
Screenings mixture sieves with the screening machine of certain number 4 again, and this certain number 4 is numerically less than certain number 1, and screenings is not broken containing glass, the Nutrition Soil product that quality is high;
Described step D oversize still containing organic matter that is a large amount of, that be greater than certain number 4, then after gravity treatment removes impurity, returns compositing system, compost, becomes thoroughly decomposed; Repeatedly, final system reaches into and out of dynamic equilibrium the circulation of this process.
Certain number 1, controls at 20mm ± 2mm;
Certain number 2, controls at 68mm ± 5mm;
Certain number 3, controls at 45mm ± 5mm;
Certain number 4, controls at 17mm ± 2mm.
The invention has the beneficial effects as follows: house refuse through the screening of repeatedly screening machine and organic matter repeatedly compost, become thoroughly decomposed, reach into and out of dynamic equilibrium, effectively ensure not include glass in Nutrition Soil broken, enterprise product risk reduces, enterprise income maximum, particularly social benefit is remarkable.
Accompanying drawing explanation
Fig. 1 domestic garbage resource utilizes the flow chart of the broken minimizing technology of the glass in organic matter.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As shown in Figure 1, one way of life garbage as resource of the present invention utilizes the broken minimizing technology of the glass in organic matter, comprises the following steps: A. ragging; B. compost; C. regrading D. part repeatedly compost reach dynamic equilibrium, the glass removed in organic matter is broken, obtains the Nutrition Soil product that quality is high.
1, front end sorting, without the need to going up high-end screening installation again under tradition, classical appointed condition, but must by house refuse first through a dregs separator, the Task-size Controlling of separator is in certain number 1, and being less than the glass of this certain number 1 broken is all that screenings enters dregs; (certain number 1, controls at 20mm ± 2mm)
2, when house refuse continues to proceed to integrated sorter along processing line, the Task-size Controlling of integrated sorter is in certain number 2, and the screenings of this certain number 2 is that organic, a small amount of impurity and the glass being greater than certain number 1 are broken; Oversize is combustible substantially; (certain number 2, controls at 68mm ± 5mm)
3, from integrated sorter organic matter out, a small amount of impurity, the broken mixture with (be greater than certain number 1, be less than certain number 2) of glass enters compost, and organic matter becomes thoroughly decomposed;
4, organic matter become thoroughly decomposed after mixture enter the screening machine of certain number 3, oversize is front end is substantially select the clean combustible such as polybag fragment, paper chips, twig, and screenings is still organic and containing the broken mixture of glass; (certain number 3, controls at 45mm ± 5mm)
5, the screenings mixture of step 4 sieves with the screening machine of certain number 4 again, and this certain number 4 is numerically less than certain number 1, and screenings is just not broken containing glass, the Nutrition Soil product that quality is high; (certain number 4, controls at 17mm ± 2mm)
6, oversize is still containing organic matter that is a large amount of, that be greater than certain number 4, then after gravity treatment removes impurity, returns compositing system, compost, becomes thoroughly decomposed, and enter along system and be recycled to step 5, final system reaches into and out of dynamic equilibrium.
Claims (3)
1. one way of life garbage as resource utilizes the broken minimizing technology of the glass in organic matter, it is characterized in that, comprises the following steps:
A. ragging;
B. compost;
C. regrading
D. partly repeatedly compost reaches dynamic equilibrium, obtains the Nutrition Soil product that quality is high.
2. domestic garbage resource according to claim 1 utilizes the broken minimizing technology of the glass in organic matter, it is characterized in that, described steps A comprises front end sorting:
House refuse is through dregs separator, and the Task-size Controlling of separator is in certain number 1, and being less than the glass of this certain number 1 broken is all that screenings enters dregs;
Oversize enters integrated sorter, and the Task-size Controlling of integrated sorter is in certain number 2, and the screenings being less than this certain number 2 is organic, a small amount of impurity and is greater than certain number 1 to be less than the glass of certain number 2 broken; Oversize is combustible substantially;
Oversize is entered compost by described step B, and organic matter becomes thoroughly decomposed;
Mixture after described step C becomes thoroughly decomposed enters the screening machine of certain number 3, and oversize is front end is substantially select the clean combustible such as polybag fragment, paper chips, twig, and screenings is still organic and contains the broken mixture of glass;
Screenings mixture sieves with the screening machine of certain number 4 again, and this certain number 4 is numerically less than certain number 1, and screenings is not broken containing glass, the Nutrition Soil product that quality is high;
Described step D oversize still containing organic matter that is a large amount of, that be greater than certain number 4, then after gravity treatment removes impurity, returns compositing system, compost, becomes thoroughly decomposed; Repeatedly, final system reaches into and out of dynamic equilibrium the circulation of this process.
3. domestic garbage resource according to claim 2 utilizes the broken minimizing technology of the glass in organic matter, it is characterized in that,
Certain number 1, controls at 20mm ± 2mm;
Certain number 2, controls at 68mm ± 5mm;
Certain number 3, controls at 45mm ± 5mm;
Certain number 4, controls at 17mm ± 2mm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521986A (en) * | 2016-01-28 | 2016-04-27 | 深圳华云数码有限公司 | Method for sorting household garbage |
| CN106734061A (en) * | 2016-11-28 | 2017-05-31 | 中国环境科学研究院 | Rubbish combined treatment process and system |
| CN106890840A (en) * | 2017-03-01 | 2017-06-27 | 河南小威环境科技有限公司 | A kind of house refuse automatic sorting system and method for separating |
| CN107118030A (en) * | 2017-06-05 | 2017-09-01 | 合肥永泰新型建材有限公司 | A kind for the treatment of method for urban garbage |
| CN107470324A (en) * | 2017-08-15 | 2017-12-15 | 刘联仓 | A kind of recycling municipal solid waste processing method |
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| JPS5843148B2 (en) * | 1977-12-29 | 1983-09-24 | 株式会社荏原製作所 | How to purify municipal waste compost |
| EP0099261A2 (en) * | 1982-07-09 | 1984-01-25 | Greater Manchester Council | Refuse treatment |
| CN1142480A (en) * | 1996-07-11 | 1997-02-12 | 张利群 | Process and apparatus for producing fertilizer from refuse in daily life by firing treatment |
| CN1322918A (en) * | 2001-06-08 | 2001-11-21 | 吴桐 | Three-in-one garbage treating method |
| CN101249499A (en) * | 2008-03-12 | 2008-08-27 | 钟伏桥 | Consumer waste innocent treatment comprehensive utilization technique |
| CN103586263A (en) * | 2013-11-06 | 2014-02-19 | 武汉理工大学 | Urban garbage aerobiotic-anaerobic biological drying method without external heat source |
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2015
- 2015-08-10 CN CN201510487633.4A patent/CN105057310B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5843148B2 (en) * | 1977-12-29 | 1983-09-24 | 株式会社荏原製作所 | How to purify municipal waste compost |
| EP0099261A2 (en) * | 1982-07-09 | 1984-01-25 | Greater Manchester Council | Refuse treatment |
| CN1142480A (en) * | 1996-07-11 | 1997-02-12 | 张利群 | Process and apparatus for producing fertilizer from refuse in daily life by firing treatment |
| CN1322918A (en) * | 2001-06-08 | 2001-11-21 | 吴桐 | Three-in-one garbage treating method |
| CN101249499A (en) * | 2008-03-12 | 2008-08-27 | 钟伏桥 | Consumer waste innocent treatment comprehensive utilization technique |
| CN103586263A (en) * | 2013-11-06 | 2014-02-19 | 武汉理工大学 | Urban garbage aerobiotic-anaerobic biological drying method without external heat source |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521986A (en) * | 2016-01-28 | 2016-04-27 | 深圳华云数码有限公司 | Method for sorting household garbage |
| CN106734061A (en) * | 2016-11-28 | 2017-05-31 | 中国环境科学研究院 | Rubbish combined treatment process and system |
| CN106890840A (en) * | 2017-03-01 | 2017-06-27 | 河南小威环境科技有限公司 | A kind of house refuse automatic sorting system and method for separating |
| CN107118030A (en) * | 2017-06-05 | 2017-09-01 | 合肥永泰新型建材有限公司 | A kind for the treatment of method for urban garbage |
| CN107470324A (en) * | 2017-08-15 | 2017-12-15 | 刘联仓 | A kind of recycling municipal solid waste processing method |
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| CN105057310B (en) | 2017-04-05 |
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Effective date of registration: 20160927 Address after: 050011, No. 403, block B, Fortune Tower, No. 24, Guang'an Avenue, Changan District, Hebei, Shijiazhuang Applicant after: HEBEI RUNDA ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 100044 No. three Li River Road, Beijing, Haidian District, 39 Applicant before: Zhong Nengrunda Genie et Environnement |
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