CN101259481A - Consumer waste comprehensively processing method - Google Patents
Consumer waste comprehensively processing method Download PDFInfo
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- CN101259481A CN101259481A CNA2008101044285A CN200810104428A CN101259481A CN 101259481 A CN101259481 A CN 101259481A CN A2008101044285 A CNA2008101044285 A CN A2008101044285A CN 200810104428 A CN200810104428 A CN 200810104428A CN 101259481 A CN101259481 A CN 101259481A
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Abstract
The invention relates to a comprehensive treatment method for living garbage which comprises the following steps: (1) separating: recoverable materials of big blocks and other materials are separated out; (2) cracking: after being separated, the garbage materials are cracked to a granularity that is suitable for a subsequent treatment; (3) feeding to a firedamp device for treatment; (4) screening the sediments in a firedamp pool; (5) burning the matters under a screen. The invention sorts out the materials of big blocks, carries out recycling or other treatments in terms of the properties of various materials and manufactures useful firedamp by using the separated organic, which realizes the reclamation utilization of the energies and materials in garbage materials, reduces the treatment capacity of useless garbage to large extent and reduces the burning treatment cost and the pollution to the atmosphere caused by burning; the method can mainly be applied to treating the living garbage.
Description
Technical field
The present invention relates to the integrated conduct method of a kind of technology of garbage disposal, particularly a kind of house refuse, belong to environmental technology field.
Background technology
House refuse comprises multiple composition, for example food garbage, plastics, metal, glass, pottery, dust or the like, basically be to adopt landfill and two kinds of methods of burning to handle to these rubbish at present, all there is the defective that is difficult to overcome in these processing modes, for example for landfill disposal, need take a large amount of landfill places, and have the danger of pollutions such as diffusate, be difficult to find suitable landfill place for many large-and-medium size cities at present; For burning disposal, the construction of burning facility and operating cost are all than higher, need consumes energy, also there is smoke pollution, although at present people are continually developing new incineration technology and smoke gas treatment technology, thisly pollute the latent defect that mode is converted to another kind of pollution mode and still can not fundamentally overcome with a kind of.Therefore, be necessary to continue to develop new technology, in the processing of house refuse, reduce adverse effect as much as possible, realize comprehensive utilization as much as possible rubbish to environment.
Thinking according to comprehensive utilization, house refuse roughly can be divided into several classes, the one, can biochemical organic matter by biolytic food garbage etc., the 2nd, glass, metal and plastics etc. can be used as the recoverable material that raw material is recycled according to prior art, and the 3rd, can not biologically decompose the unclassified stores of also not directly recycling as raw material.This mode classification helps to propose a kind of thinking of handling and utilizing house refuse for us.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of consumer waste comprehensively processing method, adopt this method can utilize the material and the energy in the rubbish better, reduce the processing cost of house refuse and to the pollution of environment.
The present invention realizes that the technical scheme of above-mentioned purpose is:
A kind of consumer waste comprehensively processing method comprises the following steps:
(1) letter sorting sorts out the recoverable material and the unclassified stores of bulk;
(2) fragmentation is crushed to the rubbish material after the letter sorting to be suitable for the subsequent treatment granularity;
(3) sending into biogas facility handles;
(4) sediment to methane-generating pit sieves;
(5) oversize is carried out burning disposal.
The course of work of the present invention is: by artificial or mechanical mode, the recoverable material and the unclassified stores of bulk are sorted out, wherein the recoverable material of bulk can be recycled according to prior art, the unclassified stores of bulk mainly is a stone, the mineral substance material that inorganic salts such as concrete block are formed, can pulverize the back according to building waste is used as filler or is used to make construction material etc., even it is also smaller behind accumulation or the landfill to the pollution of environment, processing cost is lower, the standard of letter sorting is decided according to the letter sorting technology that is adopted, that sorts is thin more, utilization to recoverable material is abundant more, adverse effect to subsequent technique is more little, the remaining rubbish material in letter sorting back carries out fragmentation, material particles degree after the fragmentation is according to the requirement of follow-up biogas facility, take all factors into consideration broken cost and to the influence of subsequent technique, material after the fragmentation carries out the anaerobic biological processing after sending into biogas facility, larger molecular organics wherein is broken down into small organic molecules such as methane, form biogas, the organic matter that is not decomposed, inorganic salts and microbial body precipitation form sediment (mud), technological requirement according to biogas facility is carried out sedimentary discharging, particle size is bigger in the sediment mostly is stone, materials such as unit of plastic, generally do not have to recycle and be worth, and also be difficult to carry out sorting, can adopt the burning mode to handle, wherein each kind of combustible incinerated, form carbon dioxide and water, noncombustibles matter then forms slag, realized minimizing and innoxious thus, therefore by the screening mode bulky grain is separated with fine particle, the screening drying of can going ahead of the rest, pass through grinding and sieving then, the wet mud that also can have the high-moisture of better flowability sieves, and screenings can be used to make fertilizer, soil conditioner even as the raw material of burned brick.
Adopt the present invention, the material of bulk can be sorted out, recycle or other processing at the character of various materials, organic materials after the letter sorting can be produced useful biogas, realized the useful conversion of physical form and energy form, be formed with the energy of usefulness, and realize the minimizing of rubbish and innoxious to a certain extent, by to the sedimentary burning of bulky grain with to the sedimentary recycling of fine particle, help further realizing the recycling of physical resources, reduced the burning disposal cost as much as possible and because of burning pollution to atmospheric environment, help house refuse material and energy recycling thereof, reduce processing cost and secondary pollution.
Description of drawings
Fig. 1 is the schematic flow sheet of consumer waste comprehensively processing method of the present invention.
The specific embodiment
Referring to Fig. 1, consumer waste comprehensively processing method provided by the invention comprises the following steps:
(1) letter sorting sorts out the recoverable material and the unclassified stores of bulk;
(2) fragmentation is crushed to the rubbish material after the letter sorting to be suitable for the subsequent treatment granularity;
(3) sending into biogas facility handles;
(4) sediment to methane-generating pit sieves;
(5) oversize is carried out burning disposal.
In step (1), can adopt manual sorting's mode to sort, also can adopt suitable sorting arrangement to sort, but under present technical background, manual sorting's cost and effect may be better than mechanical sorting, but working condition is more abominable, should progressively develop to mechanical sorting.The standard of letter sorting should determine according to the benefit brought after letter sorting cost and the letter sorting, and letter sorting thorough more be easy to follow-up classification more and handle, but the cost of letter sorting can increase.
In step (2), can adopt multiple stage crushing and disintegrating apparatus to handle, so that progressively reduce the particle diameter of material particles, by adopting the jaw crusher fragmentation earlier, and then adopt impact crusher or kibbler roll further broken, the final material particles that forms is to be advisable below 10mm, requirement according to follow-up biogas facility, also can adopt greater or lesser particle, in case of necessity, can adopt impact crusher and roll crushing crusher machine more successively in the jaw crusher spray subsequently.
After through step (2) fragmentation, can increase a magnetic separation step, adopt suitable magnetic separators such as hanging suction type magnetic separator that the magnetic material based on iron in the material is sorted out,, can adopt prior art the processing of magnetic material to recycle iron wherein.
In step (3), can adopt common methane-generating pit as biogas facility, suitably control temperature and hydraulic detention time, so that improve treatment effect, lower processing cost and keep the stability of treatment process.
In step (4), the sieve aperture of screening usefulness generally can be 1-2mm.Screening can be carried out under hygrometric state, keep certain water content, to guarantee the flowability of mud, can precipitate again the mud behind the wet screening (sieve is mud down), to reduce water content, supernatant water returns methane-generating pit, and sediment enters concentrator and concentrates, finally be pressed into mud cake, so that follow-up processing.
Carry out the drying of mud if having ready conditions, also can after drying, sieve again, the dewatered sludge piece that drying sludge forms should be pulverized before the screening, and then screening.But because drying sludge is comparatively difficult, the cost that adopts mechanical drying should be considered in process choice than higher.
Burning to oversize can be adopted existing incinerator.
Can adopt various suitable recycling modes to recycle to screenings,, under situation about should not recycle, also can adopt burning mode or land-fill method to handle to avoid burning energy resource consumption and the air pollution that brings.The mode of recycling comprises and is used to prepare fertilizer, prepares soil conditioner, is used for raw material of burned brick or the like that these recycling modes can adopt prior art.
Claims (10)
1. a consumer waste comprehensively processing method is characterized in that comprising the following steps:
(1) letter sorting sorts out the recoverable material and the unclassified stores of bulk;
(2) fragmentation is crushed to the rubbish material after the letter sorting to be suitable for the subsequent treatment granularity;
(3) sending into biogas facility handles;
(4) sediment to methane-generating pit sieves;
(5) oversize is carried out burning disposal.
2. consumer waste comprehensively processing method as claimed in claim 1 is characterized in that in described step (1), adopts manual sorting's mode to sort.
3. consumer waste comprehensively processing method as claimed in claim 1 is characterized in that in described step (1), adopts the mechanical system letter sorting.
4. consumer waste comprehensively processing method as claimed in claim 1 is characterized in that in step (2), adopts multiple stage crushing and disintegrating apparatus to handle.
5. consumer waste comprehensively processing method as claimed in claim 4 is characterized in that in step (2), adopts the jaw crusher fragmentation earlier, and then adopts impact crusher or kibbler roll further broken.
6. consumer waste comprehensively processing method as claimed in claim 4 is characterized in that in step (2), adopts the jaw crusher fragmentation earlier, and then adopts the impact crusher fragmentation, adopts kibbler roll further broken again.
7. as claim 1,2,3,4,5 or 6 described consumer waste comprehensively processing methods, it is characterized in that after the fragmentation of process step (2), also being provided with a magnetic separation step, adopt outstanding suction type magnetic separator that the magnetic material based on iron in the material is sorted out.
8. consumer waste comprehensively processing method as claimed in claim 7 is characterized in that in step (4), and screening is carried out under hygrometric state.
9. consumer waste comprehensively processing method as claimed in claim 8 is characterized in that precipitating sieving down mud after methane-sludge is carried out wet screening again, and reppd supernatant water returns methane-generating pit, and sediment enters concentrator and concentrates.
10. consumer waste comprehensively processing method as claimed in claim 9 is characterized in that adopting filter press to incite somebody to action the mud of post precipitation again and is pressed into mud cake for future use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101044285A CN101259481A (en) | 2008-04-18 | 2008-04-18 | Consumer waste comprehensively processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101044285A CN101259481A (en) | 2008-04-18 | 2008-04-18 | Consumer waste comprehensively processing method |
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| CN101259481A true CN101259481A (en) | 2008-09-10 |
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| CNA2008101044285A Pending CN101259481A (en) | 2008-04-18 | 2008-04-18 | Consumer waste comprehensively processing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804414A (en) * | 2009-02-13 | 2010-08-18 | 叶毅 | Method and processing system for comprehensively recycling municipal solid wastes |
| CN108421811A (en) * | 2018-03-22 | 2018-08-21 | 成都华凡科技有限公司 | Sanitary waste and plantation livestock waste categorised collection ecological utilization method |
| CN110116126A (en) * | 2019-05-22 | 2019-08-13 | 安徽省通源环境节能股份有限公司 | A kind of kitchen garbage, sludge cooperative disposal method |
| CN112371686A (en) * | 2020-09-25 | 2021-02-19 | 广州市凯卫莎环保科技有限公司 | Treatment process for industrial garbage |
-
2008
- 2008-04-18 CN CNA2008101044285A patent/CN101259481A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804414A (en) * | 2009-02-13 | 2010-08-18 | 叶毅 | Method and processing system for comprehensively recycling municipal solid wastes |
| CN108421811A (en) * | 2018-03-22 | 2018-08-21 | 成都华凡科技有限公司 | Sanitary waste and plantation livestock waste categorised collection ecological utilization method |
| CN108421811B (en) * | 2018-03-22 | 2022-03-22 | 成都华凡科技有限公司 | Ecological utilization method for classified collection of domestic waste and planting and breeding waste |
| CN110116126A (en) * | 2019-05-22 | 2019-08-13 | 安徽省通源环境节能股份有限公司 | A kind of kitchen garbage, sludge cooperative disposal method |
| CN110116126B (en) * | 2019-05-22 | 2020-05-19 | 安徽省通源环境节能股份有限公司 | Kitchen waste and sludge co-processing method |
| CN112371686A (en) * | 2020-09-25 | 2021-02-19 | 广州市凯卫莎环保科技有限公司 | Treatment process for industrial garbage |
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Open date: 20080910 |