CN105149320A - Garbage pretreatment and efficient recycling technology matched with garbage combustion system - Google Patents
Garbage pretreatment and efficient recycling technology matched with garbage combustion system Download PDFInfo
- Publication number
- CN105149320A CN105149320A CN201510590629.0A CN201510590629A CN105149320A CN 105149320 A CN105149320 A CN 105149320A CN 201510590629 A CN201510590629 A CN 201510590629A CN 105149320 A CN105149320 A CN 105149320A
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- Prior art keywords
- oversize
- sieve
- garbage
- bag
- refuse
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Abstract
The invention discloses a garbage pretreatment and efficient recycling technology matched with a garbage combustion system. The garbage pretreatment and efficient recycling technology comprises the following steps: a, a garbage bag is broken open by a bag breaking machine; b, most leachate of household garbage subjected to bag breakage is drained by a leachate processing technology; c, after most leachate of household garbage is drained, the household garbage is screened and separated, and oversize products and undersize products are separated; d, the oversize products and the undersize products pass through a magnetic separation apparatus to separate and recycle ferromagnetic objects; e, the oversize products pass through a gravity winnowing apparatus to separate oversize heavy objects and oversize light objects; f, the oversize light objects pass through a waste and old plastic fine separation and recycling dry separator to separate waste plastics and oversize light impurities; g, the undersize products, the oversize heavy objects and the oversize light impurities are stirred, uniformly mixed and dried, and then enter an incinerator for incineration and power generation; and h, the separated waste plastics are processed by a splitting decomposition oil refining device. According to the garbage pretreatment and efficient recycling technology matched with a garbage combustion system, the household garbage incineration disposal has the characteristics of harmlessness, recycling, industrialization and the like.
Description
Technical field
The present invention relates to technical field of domestic garbage treatment.
Background technology
Current China house refuse annual production about more than 1.5 hundred million ton, and every year with 8% speed increase, and the volume of cargo in storage over the years of China's rubbish reaches more than 60 hundred million tons, occupies a large amount of land resource.According to estimates, in China 668 cities, the city of 2/3rds is about had to be in rubbish encirclement.
Existing domestic rubbish disposal is disposed pattern and is mainly contained three kinds, landfill, burning and compost etc., and domestic garbage resource technique also day by day increases, and it is mainly by the impact of following factor: (1) technological applicability and the degree of reliability; (2) disposal cost and ability to bear; (3) environmental pollution and Environmental capacity; (4) resource value and some the special restriction factor etc.
Landfill is economized from investment viewed from capital expenditure aspect most, the lowest coursing cost, and technology content is relatively low, but some comparatively flourishing coastal cities, the problem that landfill yard is faced with land resources utilization contradiction, environmental protective measure is difficult to is thorough, project occupation of land area is large.
For compost, because China have employed mixed collection mode, waste component is very complicated, make compost pre-treatment requirement very strict, and composting production does not have rational market substantially.
Burning disposal mainly as far as possible incinerating waste material, specifically, mainly contain following advantage: (1) project occupation of land area is little; (2) stable, health, reliable, fraction is high, totally-enclosed industrialized production model, substantially not by effect of natural conditions, to guarantee incineration plant round-the-clock running, and can reach more than 20 years service life; (3) take up an area little, pollute low feature, make incineration plant be built in urban district, thus greatly reduce the freight of rubbish; (4) burn the energy in recyclable rubbish, turn waste into wealth.
But containing more mixed waste plastic in house refuse, waste plastics is directly carried out burning disposal, causes serious secondary pollution by environment.When plastics burn, not only produce a large amount of black smoke, and can bioxin be produced, serious harm environment.
In sum, the current Prediction for Solid Waste Treatment Technology of China is in reduced levels substantially, is difficult to realize innoxious, the resource of garbage disposal, minimizing, industrialization.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of rubbish pretreatment supporting with refuse burning system and efficient resource metallization processes, the features such as domestic rubbish disposal is innoxious, resource, minimizing, industrialization that it has.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
The rubbish pretreatment supporting with refuse burning system and an efficient resource metallization processes, technique comprises the following steps:
A, by bag-breaking machine breaking refuse bag, the house refuse being placed in refuse bag to be come out;
B, by percolate treating process by the house refuse drop after broken bag except most of percolate;
C, drop is carried out screening separation except the house refuse of most of percolate, isolate oversize and screenings;
D, by oversize and screenings respectively by magnetic plant by ferromagnetic separation and recovery;
E, oversize is isolated the upper heavy thing of sieve and the upper lightweight thing of sieve through drainage wind optional equipment;
F, lightweight thing on sieve is reclaimed a dry-dressing machine through waste or used plastics essence point isolate waste plastics and the upper light weight sundries of sieve;
G, heavy thing on screenings, sieve and the upper light weight sundries of sieve to be uniformly mixed, to adopt drying plant to dry afterwards, make said mixture material moisture content be reduced to about 10%, enter incinerator burning electricity generation afterwards;
H, by the waste plastics separated in step f through cracking oil refining apparatus, produce the products such as heavy oil, combustible gas and carbon black.
The present invention improves further and is:
After completing steps b, again by bag-breaking machine, broken bag process is carried out to the house refuse that drop removes percolate, the house refuse be wrapped in refuse bag of omitting is come out.
When in step g, the mixed material of drying plant to heavy thing on screenings, sieve and the upper light weight sundries of sieve is dried, the drying plant of employing is rotation-roll type drying plant, and the heat energy that rotation-roll type drying plant adopts is the high-temperature flue gas waste heat that incinerator produces.
When in step g, the mixed material of drying plant to heavy thing on screenings, sieve and the upper light weight sundries of sieve is dried, the drying plant of employing is rotation-roll type drying plant, and the heat energy that rotation-roll type drying plant adopts is the high-temperature flue gas waste heat that cracking oil refining apparatus produces.
The beneficial effect adopting technique scheme to produce is:
The present invention has the following advantages: (1) improves changing waste into resources: this technique and garbage burning factory support the use, and is sub-elected by waste plastics in house refuse in order to oil refining, improves domestic garbage resource value; Ferromagnetic is sub-elected, can in order to recycle.(2) harmless treatment rate is high: burn leftover materials after being therefrom separated by waste plastics most of in house refuse, greatly can reduce the generation of bioxin.(3) can ensure that incineration plant is normally run and under producing the constant prerequisite of electricity daily, utilizes efficient resource in house refuse, but do not increase operating cost.(4) operating cost is low, utilizes the high-temperature flue gas waste heat recovery of incinerator or distillation system to provide heat energy for drying system.The present invention has the features such as domestic rubbish disposal is innoxious, resource, minimizing, industrialization.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further elaborated.
The house refuse entering garbage burning factory first will wherein break by bagged articles after first time, dissepiment limit material machine and bag-breaking machine, for abundant draining provides condition, bring storage bin into, remove most of percolate by percolate treating process through a few days drop by conveying; Again by bag-breaking machine, broken bag process is carried out to the house refuse that drop removes percolate, the house refuse be wrapped in refuse bag of omitting is come out; The house refuse that drop falls most of percolate is divided into oversize and screenings by rotary screen; By oversize and screenings respectively by magnetic separator by ferromagnetic separation and recovery; Oversize is isolated the upper heavy thing of sieve and the upper lightweight thing of sieve through gravity winnowing machine; Lightweight thing on sieve is reclaimed dry-dressing machine through waste or used plastics essence point and isolates waste plastics and the upper light weight sundries of sieve; The waste plastics separated is entered cracking oil refining apparatus, produces the Product recycling such as heavy oil, combustible gas and carbon black; Heavy thing on remaining screenings, sieve and the upper light weight sundries of sieve are uniformly mixed, rotation-roll type drying plant is adopted to dry afterwards, the heat energy that rotation-roll type drying plant adopts is the high-temperature flue gas waste heat that incinerator produces, also the high-temperature flue gas waste heat that cracking oil refining apparatus produces can be adopted, make said mixture material moisture content be reduced to about 10%, enter incinerator burning electricity generation afterwards.The present invention has the features such as domestic rubbish disposal is innoxious, resource, minimizing, industrialization.
Claims (4)
1. the rubbish pretreatment supporting with refuse burning system and an efficient resource metallization processes, is characterized in that: described technique comprises the following steps:
A, by bag-breaking machine breaking refuse bag, the house refuse being placed in refuse bag to be come out;
B, by percolate treating process by the house refuse drop after broken bag except most of percolate;
C, drop is carried out screening separation except the house refuse of most of percolate, isolate oversize and screenings;
D, by oversize and screenings respectively by magnetic plant by ferromagnetic separation and recovery;
E, oversize is isolated the upper heavy thing of sieve and the upper lightweight thing of sieve through drainage wind optional equipment;
F, lightweight thing on sieve is reclaimed a dry-dressing machine through waste or used plastics essence point isolate waste plastics and the upper light weight sundries of sieve;
G, heavy thing on screenings, sieve and the upper light weight sundries of sieve to be uniformly mixed, to adopt drying plant to dry afterwards, make said mixture material moisture content be reduced to about 10%, enter incinerator burning electricity generation afterwards;
H, by the waste plastics separated in step f through cracking oil refining apparatus, produce the products such as heavy oil, combustible gas and carbon black.
2. a kind of rubbish pretreatment supporting with refuse burning system according to claim 1 and efficient resource metallization processes, it is characterized in that: after completing steps b, again by bag-breaking machine, broken bag process is carried out to the house refuse that drop removes percolate, the house refuse be wrapped in refuse bag of omitting is come out.
3. a kind of rubbish pretreatment supporting with refuse burning system according to claim 1 and 2 and efficient resource metallization processes, it is characterized in that: in described step g, drying plant is to when on heavy thing on screenings, sieve and sieve, the mixed material of light weight sundries is dried, the drying plant adopted is rotation-roll type drying plant, and the heat energy that described rotation-roll type drying plant adopts is the high-temperature flue gas waste heat that incinerator produces.
4. a kind of rubbish pretreatment supporting with refuse burning system according to claim 1 and 2 and efficient resource metallization processes, it is characterized in that: in described step g, drying plant is to when on heavy thing on screenings, sieve and sieve, the mixed material of light weight sundries is dried, the drying plant adopted is rotation-roll type drying plant, and the heat energy that described rotation-roll type drying plant adopts is the high-temperature flue gas waste heat that cracking oil refining apparatus produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590629.0A CN105149320A (en) | 2015-09-17 | 2015-09-17 | Garbage pretreatment and efficient recycling technology matched with garbage combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590629.0A CN105149320A (en) | 2015-09-17 | 2015-09-17 | Garbage pretreatment and efficient recycling technology matched with garbage combustion system |
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| CN105149320A true CN105149320A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510590629.0A Pending CN105149320A (en) | 2015-09-17 | 2015-09-17 | Garbage pretreatment and efficient recycling technology matched with garbage combustion system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665410A (en) * | 2016-01-14 | 2016-06-15 | 北京铮实环保工程有限公司 | Household garbage fine separation and complete recycling comprehensive treatment process |
| CN106964638A (en) * | 2017-05-31 | 2017-07-21 | 中国葛洲坝集团绿园科技有限公司 | A kind of life refuse processing method |
| CN107344405A (en) * | 2017-06-21 | 2017-11-14 | 临川环境技术（天津）有限公司 | A kind of method of ductile plastics recovery volume reduction in house refuse |
| CN109127669A (en) * | 2018-09-12 | 2019-01-04 | 临武县华湘再生资源回收有限公司 | The method and production line that waste plastics separates and collects in house refuse power station |
| CN109675912A (en) * | 2019-01-28 | 2019-04-26 | 北京理工水环境科学研究院有限公司 | City landfill waste recycling treatment process |
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| JP2008013698A (en) * | 2006-07-07 | 2008-01-24 | Takashi Furuyama | Solid fuel using industrial waste shredder dust and method for producing the solid fuel |
| JP2011089085A (en) * | 2009-10-26 | 2011-05-06 | Miike Iron Works Co Ltd | Production plant for solid fuel using mixed waste |
| CN101829672A (en) * | 2010-04-27 | 2010-09-15 | 山西润禾环保工程集团有限公司 | Treating method and device for urban domestic rubbish |
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| CN102734801A (en) * | 2012-07-20 | 2012-10-17 | 天津德为环保工程设备有限公司 | High-efficiency burning heat-supply system for municipal solid wastes |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665410A (en) * | 2016-01-14 | 2016-06-15 | 北京铮实环保工程有限公司 | Household garbage fine separation and complete recycling comprehensive treatment process |
| CN106964638A (en) * | 2017-05-31 | 2017-07-21 | 中国葛洲坝集团绿园科技有限公司 | A kind of life refuse processing method |
| CN107344405A (en) * | 2017-06-21 | 2017-11-14 | 临川环境技术（天津）有限公司 | A kind of method of ductile plastics recovery volume reduction in house refuse |
| CN107344405B (en) * | 2017-06-21 | 2019-05-21 | 临川环境技术（天津）有限公司 | A kind of method of ductile plastics recycling volume reduction in house refuse |
| CN109127669A (en) * | 2018-09-12 | 2019-01-04 | 临武县华湘再生资源回收有限公司 | The method and production line that waste plastics separates and collects in house refuse power station |
| CN109675912A (en) * | 2019-01-28 | 2019-04-26 | 北京理工水环境科学研究院有限公司 | City landfill waste recycling treatment process |
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Application publication date: 20151216 |