CN1068251C - Garbage treatment technology with no harm, no residuals, easy to separate and realize reutilization - Google Patents
Garbage treatment technology with no harm, no residuals, easy to separate and realize reutilization Download PDFInfo
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- CN1068251C CN1068251C CN98102867A CN98102867A CN1068251C CN 1068251 C CN1068251 C CN 1068251C CN 98102867 A CN98102867 A CN 98102867A CN 98102867 A CN98102867 A CN 98102867A CN 1068251 C CN1068251 C CN 1068251C
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- Prior art keywords
- rubbish
- pyrolysis
- garbage
- closed container
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 37
- 238000005516 engineering process Methods 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000000197 pyrolysis Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000004566 building material Substances 0.000 claims abstract description 6
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 3
- 239000005416 organic matter Substances 0.000 claims description 12
- 238000009264 composting Methods 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001458 anti-acid effect Effects 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000000796 flavoring agent Substances 0.000 abstract 1
- 235000019634 flavors Nutrition 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 238000000855 fermentation Methods 0.000 description 5
- 230000004151 fermentation Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000019580 granularity Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195940 Bryophyta Species 0.000 description 1
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 241000726221 Gemma Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000589180 Rhizobium Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000010819 recyclable waste Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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Abstract
The present invention relates to technology for changing garbage into a resource by easy sorting without environmental pollution and residue. The present invention adopts pyrolysis technique, and urban domestic garbage is put into a special closed container to be in chemical catalytic reaction under the condition of certain pressure and temperature so as to eliminate harmful substances and abnormal flavor, cut off the long chain of organic substances and separate the organic substances and inorganic substances by first-stage sieving so that the complicated garbage sorting technology is simple and easy to implement. After pyrolysis, the organic substances are used for manufacturing biological fertilizer, and the inorganic substances are used for manufacturing building material. The present invention has the advantages that no secondary pollution caused in the processes of pyrolysis and production; produced fertilizer and building material are green products; the garbage delivered to a treating factory per day is completely removed without residue so as to obtain good environmental benefit and economic benefit.
Description
The present invention relates to a kind ofly can realize innoxious, resource, easily sorting, no remaining garbage treating process, belong to the municipal solid wastes process field, be applicable to that city that scale does not wait handles the mixed consumer waste of unexecuted categorised collection.
666 in the existing organizational system city of China, urban population exceedes 500,000,000, produces the few hundred thousand tonnes of house refuse every day.Because the rubbish processing to be harmless ability is low, a large amount of rubbish have to be piled individual in the city, cause most cities to be absorbed in the predicament of " garbage-surrounded city ".
Rubbish grows mosquitos and flies and muroid, distributes stench, not only spread disease, and contaminated air, soil and water body, even cause blow-up, become big public hazards of urban environment.
Handle house refuse both at home and abroad three kinds of methods are roughly arranged: landfill, burning, composting.Landfill takies a large amount of soils, and is difficult to accomplish resource reutilization and avoids secondary pollution.It is big to burn investment, and payoff period is long, and domestic technique is still immature.The recyclable waste resource that utilizes of composting, but at first need organic matter in the rubbish and inorganic matter are separated, because the still unexecuted categorised collection of China's municipal refuse, it is a difficult problem that composting is carried out effective sorting always.In addition, the composting organic matter of can only dissolving accounts for the inorganic matter of municipal refuse total amount about half and need adopt additive method to be handled, and whole rubbish of can dissolving are guaranteed environmental benefit.
A kind of method of separating and generate organic and inorganic matter from waste material is disclosed in international monopoly WO82/01483, its content is that a hole container is housed in autoclave, refuse packed into carry out high temperature high pressure process in the hole container, inorganic matter is stayed in the hole container, organic matter goes fermentation to make feed then, and material removes recovered alcohol after fermentation, and reclaims natural pond oxygen in the anaerobic still.
A kind of " three-in-one " organic garbage of city system handles technology that integrates compost, burning, landfill is disclosed in Chinese patent CN1177525A, its compost production of manufacturing fertilizer is to be undertaken by the half-sealed fermentation cabin, and inferior once being placed in the same storehouse with secondary fermentation carried out.
Contribution of the present invention is to provide a kind of new municipal refuse comprehensive processing technique.It can effectively eliminate harmful substance and peculiar smell in the rubbish, accomplishes innoxious; Can recycle organic matter and inorganic matter in the rubbish simultaneously, accomplish resource; Can make the complicated refuse classification of difficulty become simple, accomplish easily sorting; Can absolutely dissolve and enter the rubbish of treatment plant, accomplishing does not have residue.
The object of the present invention is achieved like this: at first adopt pyrolytic technique that rubbish is finished disposable sorting and harmless treatment.Its technological process is: crude waste is discharged into material-stored pool by cleaning cart, through manually roughly selecting and magnetic separation, reclaims old metal, removes refuse battery, picks out hard thing, foreign material and the foamed plastics of diameter (or length) greater than 50mm.All the other rubbish are sent into special closed container by conveyer, determine its volume according to the rubbish day output and the overall manufacturing requirement of reality, and do anti-acid etching and handle.Adopting pyrolytic technique is to carry out chemical catalysis reaction in 3～3.5 hours under 5% the condition in 10～13kg air pressure, 180～200 ℃ of temperature, chemical catalyst acid concentration, kill the harmful substance in the rubbish and remove peculiar smell, simultaneously organic long-chain (big molecule) is cut off short chain (little molecule) in order to plant absorbing.Through its pH value of rubbish of pyrolysis processing be 6.5～7.5, Escherichia coli content is 10
-1, induced worm egg death rate is 95%～100%, content of beary metal meets the GB8172-87 standard.The final stage of pyrolytic process is carried out 30～40 minutes drying and dehydratings and is handled, make the rubbish water content be reduced to 20% with interior in order to screening.Organic matter after the pyrolysis is Powdered, and inorganic matter then keeps ortho states substantially; Plastics do not melt in pyrolytic process, only occur shrinking or becoming fragment.Finish and rubbish is spurted collecting bin after the pyrolysis processing in closed container, through collecting, being delivered to screening machine organic matter and inorganic matter are once separated, organic matter after conveyer will sieve and inorganic matter are sent to composting system and building materials system respectively again.
The present invention compares used container with the international monopoly WO82/01483 that preamble is mentioned and does not contain sieve plate, and the product that comes out is not further divided into organic and inorganic matter yet, and resultant product neither alcohol and feed, but organic fertilizer.The present invention compares with Chinese patent CN1177525A, is with rubbish cracking under uniform temperature and pressure, rather than fermentation mode carries out, and therefore difference is in essence arranged on method.
The production technique for fertilizer flow process is: the organic waste after the pyrolysis processing is crushed to 80～100 order granularities through pulverizer, prepares burden by corresponding proportion by metering auger and other raw materials.The raw material components beguine is determined according to organic waste assay result, is generally: organic waste 60～65%, the chicken manure or the peat composed of rotten mosses 15～20%, phosphorus two ammoniums or ammonium sulfate 10～15%, zeolite powder 5～8%, strain powder 0.5%.Send into mixer after raw material prepares and evenly mix, by belt feeder the powder that mixes is flowed to rotary drum granulator again and directly make ball (because of using gemma bacterium rather than rhizobium, so need not traditional sweat).The wet bulb of producing (moisture about 20%) carries out the cylinder dryer through elevator and carries out the low humidity oven dry, requires 300 ℃ of inlet temperatures, and outlet temperature is not higher than 80 ℃.Hot-bulb after the oven dry is sent into classifying screen by elevator and is carried out classification, and the powder that sifts out returns stock yard and is used for granulation again; Pellet enters that cooler is lowered the temperature and surperficial cure process, send the finished bin pack of weighing by belt feeder at last.
The building materials technological process of production is: at first inorganic refuse and plastics through pyrolysis are carried out pulverization process, make it reach the granularity requirements that specific product is produced, press corresponding proportion by artificial or mechanical mixture is even with other raw materials then, add special modifier and coagulating agent again and certain moisture content stirs into slurry through mixer, be transported to automatic control production line or modular production line is irritated mould by artificial or mechanism, some product also need pressurize, polishes, cut edge.Carry out health after the product shaping, different product is the same not to the utmost to the requirement of health mode, temperature, time.The product that reaches the health requirement send finished bin after quality inspection is qualified.
Advantage of the present invention is: because composting can only utilize the organic matter in the rubbish, so at first must carry out sorting to rubbish.The sorting composting is difficulty very, and the separation system that adopts both at home and abroad is all very complicated so far, except that artificial separation, and the little sieve of shaker screen, the magnetic separation selection by winnowing, equipment is a lot of, and investment generally accounts for about 2/3 of whole composting equipment, and effect is not really desirable.Pyrolytic technique of the present invention makes refuse classification be become simply by complexity, thereby has saved equipment investment, operating cost, land area and production time.Secondly, rubbish can cut off the organic matter long-chain in pyrolytic process, makes it become the little molecular state activated carbon nutrition that activity is strong, crop root can directly absorb, and strengthens fertilizer efficiency.Once more, when the rubbish of process pyrolysis processing is used to produce fertilizer and building materials, can save the harmless treatment operation.
Claims (3)
1. innoxious, resource, easily sorting, no remaining garbage treating process, it is characterized in that: crude waste is through manually roughly selecting and magnetic separation, after removing old metal and refuse battery and diameter or hard thing, foreign material and the foamed plastics of length greater than 50mm, send into special closed container by conveyer, adopting pyrolytic technique to make it is to carry out chemical catalysis reaction in 3～3.5 hours under 5% the condition at 1～1.3MPa air pressure, 180～200 ℃ of temperature, acidic chemical catalyst concns, organic matter is fully decomposed, unharmful substance and peculiar smell; Rubbish pH value through pyrolysis processing is 6.5～7.5; The final stage of pyrolytic process is carried out drying and dehydrating and is disposed; To spurt collecting bin in closed container through the rubbish of pyrolysis processing then, and through collecting, be delivered to screening machine organic matter and inorganic matter be separated, the organic matter after conveyer will sieve is sent to the composting system again, and inorganic matter is sent to the building materials system.
2. innoxious, resource according to claim 1, easily sorting, no remaining garbage treating process, it is characterized in that: the closed container that is used for pyrolysis rubbish is determined its volume according to the rubbish day output and the overall manufacturing requirement of reality, and must be able to bear 1～1.3MPa air pressure and do anti-acid etching processing.
3. innoxious, resource according to claim 1, easily sorting, no remaining garbage treating process is characterized in that: it is 30～40 minutes that the pyrolytic process final stage is carried out the time that drying and dehydrating disposes, rubbish water content≤20% after the pyrolysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98102867A CN1068251C (en) | 1998-07-16 | 1998-07-16 | Garbage treatment technology with no harm, no residuals, easy to separate and realize reutilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98102867A CN1068251C (en) | 1998-07-16 | 1998-07-16 | Garbage treatment technology with no harm, no residuals, easy to separate and realize reutilization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1242266A CN1242266A (en) | 2000-01-26 |
| CN1068251C true CN1068251C (en) | 2001-07-11 |
Family
ID=5217621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98102867A Expired - Lifetime CN1068251C (en) | 1998-07-16 | 1998-07-16 | Garbage treatment technology with no harm, no residuals, easy to separate and realize reutilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1068251C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032578A (en) * | 2010-10-22 | 2011-04-27 | 天津德为环保工程设备有限公司 | Method for dewatering organic matters in municipal solid waste |
| CN101618392B (en) * | 2009-03-02 | 2012-11-14 | 深圳市埃玛特实业有限公司 | Technological method of comprehensive utilization of separation and pyrolysis treatment of garbage |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116388C (en) * | 2000-06-02 | 2003-07-30 | 徐长忠 | Garbage treating process and equipment thereof |
| CN101912870B (en) * | 2010-07-20 | 2012-08-22 | 柏英庭 | Carbon-free rural construction method |
| CN103357644B (en) * | 2012-03-31 | 2015-06-03 | 上海餐余垃圾处理技术有限公司 | Fine resource recycling method for waste in vegetable market in city |
| CN106831011A (en) * | 2017-01-16 | 2017-06-13 | 华伟 | The technique that house refuse prepares organic fertilizer with damp and hot solution |
| CN110242971A (en) * | 2019-04-26 | 2019-09-17 | 茂县垃圾王环保科技有限公司 | A kind of incineration tail gas system using burning domestic garbage drying compost |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982001483A1 (en) * | 1980-11-03 | 1982-05-13 | Clifford C Holloway | Process for separating and recovering organic and inorganic matter from waste material |
| CN1034148A (en) * | 1987-11-02 | 1989-07-26 | 工业应用及研究公司中心股份有限公司 | Rubbish is transformed into a kind of method of grain shape material |
| CN1177525A (en) * | 1996-09-23 | 1998-04-01 | 中国科学院成都生物研究所 | Process for treatment of organic garbage of city |
-
1998
- 1998-07-16 CN CN98102867A patent/CN1068251C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982001483A1 (en) * | 1980-11-03 | 1982-05-13 | Clifford C Holloway | Process for separating and recovering organic and inorganic matter from waste material |
| CN1034148A (en) * | 1987-11-02 | 1989-07-26 | 工业应用及研究公司中心股份有限公司 | Rubbish is transformed into a kind of method of grain shape material |
| CN1177525A (en) * | 1996-09-23 | 1998-04-01 | 中国科学院成都生物研究所 | Process for treatment of organic garbage of city |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618392B (en) * | 2009-03-02 | 2012-11-14 | 深圳市埃玛特实业有限公司 | Technological method of comprehensive utilization of separation and pyrolysis treatment of garbage |
| CN102032578A (en) * | 2010-10-22 | 2011-04-27 | 天津德为环保工程设备有限公司 | Method for dewatering organic matters in municipal solid waste |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1242266A (en) | 2000-01-26 |
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