CN102175026B - Garbage burning pretreatment process - Google Patents
Garbage burning pretreatment process Download PDFInfo
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- CN102175026B CN102175026B CN 201010603354 CN201010603354A CN102175026B CN 102175026 B CN102175026 B CN 102175026B CN 201010603354 CN201010603354 CN 201010603354 CN 201010603354 A CN201010603354 A CN 201010603354A CN 102175026 B CN102175026 B CN 102175026B
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- rubbish
- garbage
- recycle
- refuse
- reduced
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000012216 screening Methods 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000004056 waste incineration Methods 0.000 claims description 7
- 239000003337 fertilizer Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000855 fermentation Methods 0.000 claims description 3
- 230000004151 fermentation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 230000002269 spontaneous effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000003860 storage Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 1
- 230000002354 daily effect Effects 0.000 abstract 1
- 230000003203 everyday effect Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 1
- 239000002918 waste heat Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 description 4
- 230000007096 poisonous effect Effects 0.000 description 4
- 238000006065 biodegradation reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 150000002240 furans Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 235000012550 Pimpinella anisum Nutrition 0.000 description 1
- 240000004760 Pimpinella anisum Species 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000010782 bulky waste Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
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- 235000013305 food Nutrition 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a garbage burning pretreatment process. Garbage is subjected to multiple steps of mechanical rough sorting, manual fine sorting, rough crushing, fine crushing and the like; the garbage treatment is simplified in a mode of increasing density and reducing volume; daily garbage is cleared every day, the storage capacity is effectively reduced, the capacity of the conventional landfill is increased by over 5 times, and the heat value of the garbage treated by the process can be stabilized at over 850 degrees; toxic and harmful substances such as dioxin, furan and the like are avoided; the operating cost is reduced by using burning waste heat for drying, waste and old materials are furthest recycled, rich organic fine materials are composted or used for preparing marsh gas, and the residues without utilization value are burnt and used for generating power to increase the benefits; innocuity, decrement, stabilization and recycle are achieved; the operating cost is reduced, and the secondary pollution is reduced; and economic benefit, social benefit and resource benefit are greatly improved.
Description
Technical field
The present invention relates to a kind of garbage treating process.
Background technology
Along with the progress of expanding economy with society; Urban population sharply increases; The quantity of all kinds of rubbish also linearly rises; Especially house refuse will increase with annual 5% to 6% ratio, and house refuse " besieged city " predicament is close at hand, and rubbish has become the especially big difficult problem of current town development of puzzlement and environmental protection.
For this reason, the mode one that people take is that rubbish is burned, but the essence of waste incineration all is oxidation reaction; When various living beings are burnt; Various harmful substances also produce simultaneously, dislike the heroic spirit body for two mouthfuls that especially are difficult to stop, and the environmental hazard that its suspension toxin buildup causes is very big; The most serious is that poisonous suspension gets into food chain, very big to human harm.
Mode two is to set up refuse landfill; But refuse landfill needs the land occupation area; But land area is very precious and limited in this day and age; The quantity of rubbish then is cumulative, and refuse landfill always has one day that is finished by landfill, and building refuse landfill in a large number is not long-term plan.
On the other hand; People are are constantly researching and developing biodegradation technique, but present biodegradation technique is not also realized important breakthrough, just local input test among a small circle; And the input of biodegradation technique is up to billions of units, and biodegradable range of application also has sizable limitation.
Summary of the invention
Defective and deficiency that the object of the invention exists to prior art just propose the preposition treatment process of a kind of waste incineration.Make rubbish through this PROCESS FOR TREATMENT just refuse thermal value be stabilized in more than 850 degree, avoid producing two mouthfuls and dislike poisonous and harmful substances such as English, furans; Utilize waste gas of incineration dry, reduce operating cost.
For achieving the above object, technical scheme of the present invention comprises the steps:
A, rubbish concentrated be transported to totally enclosed discharging place and stack; Collect the penetrating fluid sewage of rubbish in its stacking; And rubbish is carried out mechanical ragging with excavator, screening machine, and according to gravity principle rubbish is carried out broken bag, screening, separation respectively, sieve out solid refuse and liquid refuse;
B, penetrating fluid sewage transport to the Sewage Disposal purification among the step a or fertilizer treatment or biogas are extracted; The solid refuse that sieves out carries out manual work segmentation choosing in the process that belt conveyor is carried, the liquid refuse of sieving out is then carried out fertilizer treatment or biogas and extracted;
C, will pass through artificial fine-sorted solid refuse and sieve into and recyclablely utilize rubbish and can not recycle rubbish; Can not recycle rubbish and carry out coarse crushing; Under the pressure of 25MPa, compress then, make the volume weight that can not recycle rubbish reduce to 1---1.35t/m
3Thereby, can not recycle rubbish and in the crowded process of pressurized, can overflow its unnecessary sewage and produce compression liquid, discharge behind the compression liquid not the moisture content of recyclable rubbish and reduce to below 35%;
Compression liquid among d, the step c is transported to sewage treatment plant's processing or carries out biogas and extract and fertilizer treatment; Solid refuse after the compression then is delivered in dry kiln or the wind-heat kiln or dried is carried out in spontaneous fermentation, and the moisture content that can not recycle rubbish is reduced to below 18%;
E, dried solid refuse is sieved once more; Directly as the fuel of burning electricity generation, the lime-ash after its burning is as cement auxiliary material with wherein fritter rubbish, and bulk rubbish then carries out fine crushing; The rubbish particle diameter of fine crushing is controlled at below the 20mm; Again the rubbish behind the fine crushing is mixed stirring with the mud of handling through press filtration in advance, process the fuel finished product, realize harmless treatment through rolling and forming machine.
The further technical measures of the present invention are: the described excavator of step a is two-way grab excavator, and screening machine is the drum-type screening machine.
The present invention compared with prior art has following obvious improvement and outstanding characteristics:
1---need not set up the bulky refuse field; Can directly utilize the landfill storage capacity of conventional garbage field to carry out each item processing step of waste incineration pre-process; Rubbish is accomplished that daily output day is clear, effectively reduce storage capacity, prolong the existing landfill time more than 5 times; And reduce the substantial contribution input, can make the harmfulness of various poisonous and harmful substances reduce to minimum again.
2---the present invention is maximized to carry out the waste and old material recycle, and abundant organic fines carries out composted or producing methane, the residue of no value is carried out burning electricity generation again increase benefit.Accomplish " innoxious, minimizing, stabilisation, resource ", reduce operating cost, reduce secondary pollution, increase economic efficiency widely, social benefit and economy of resources.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is a process chart of the present invention.
The specific embodiment
Reference is shown in Figure 1, the rubbish of collecting is concentrated be transported to fully closed dumping ground, and the rubbish of this moment is before processing; The material of various big smallclothes exists wherein, and is disorderly and unsystematic, carries out mechanical ragging then; Pick up aniseed rubbish with two-way grab excavator and sort out,, pick out and be convenient to recycling like wooden, fragment of brick with the bulk foreign material; The rubbish of residue is sent into the drum-type screening machine and is broken the bag screening and separating, isolates solid refuse and liquid refuse according to gravity principle, meanwhile; Solid refuse and liquid refuse filter out the magnetic metal material through the electromagnetism automatic screening, and the liquid refuse of then sieving out together is delivered to the Sewage Disposal purified treatment together with the penetrating fluid sewage of dumping ground; Make it reach discharging standards; Perhaps be used for fertilising, biogas extraction, the solid refuse that sieves out carries out manual work segmentation choosing in the process that belt conveyor is carried, promptly divide to hank and can not recycle rubbish and the recyclable rubbish that utilizes; Sub-elect the plastics that still have recovery value, paper product, cloth, leather, rubber, glass etc. through manual work, recyclable thus waste and old material is more than 20%.
Again the above-mentioned rubbish of can not recycling is transported to disintegrating machine to carry out two roller roll-ins broken; The broken purpose of roll-in is to reduce the moisture content of rubbish; Improve the combustion heat value of rubbish unit; Further decrement subtracts appearance, better for doing preposition preparation below the reduction of the flow process compression once msw water content to 35%.
Can not recycle rubbish is transported to full-automatic refuse compaction equipment through screening after magnetic separation, artificial separation and the crusher in crushing and compresses; Adopt the above high pressure compressed technology of 25MPa; Moisture content in the rubbish is discharged in a large number, msw water content is reduced to below 35%.The penetrating fluid of compression in the discharging garbage is 8 to 10m
3/ ton (rubbish).Utilize pressure that rubbish moisture content is reduced, improve refuse thermal value greatly, reduce and burn operating cost, be convenient to burning electricity generation.Or be transported to burning disposal such as burning electricity generation factory, steam power plant, cement plant with compressing baling press packing.Compression back density increases, and volume reducing is than weighing 1 to 1.35t/m
3It is fabulous to compress the compression liquid biochemical property that, and can carry out the biogas extraction and application or get into the water quality that sewage treatment plant's purified treatment becomes to meet qualified discharge through sewage network.
The rubbish of can not recycling after the compression is transported to that to carry out wind-heat in the dry wind kiln dry or with stacking fermentation natural seasoning drying; Make and to recycle msw water content and further be reduced to below 18%; Rubbish is through being dried to below 18% and can directly burning; The incineration firing calorific value just is stabilized in more than 850 degree, stops two mouthfuls of poisonous and harmful substances such as evil English furans and produces.Guarantee incineration treatment of garbage technology non-secondary pollution, directly as the fuel of burning electricity generation, the lime-ash after its burning is as cement auxiliary material for dried solid refuse.Or dried rubbish then carried out fine crushing; The rubbish particle diameter of fine crushing is below 20mm; Again rubbish is mixed stirring with the mud of handling through press filtration in advance; Processing the fuel finished product through rolling and forming machine, is burning electricity generation factory, cement plant, energy power plant, the indispensable environmental protection new forms of energy of Industrial Boiler.
The present invention adopts closed factory building production, is to adapt under the town and country land resource state in short supply best disposal of refuse scheme.Subtract appearance through density and realize rubbish storage capacity decrement and reduce the landfill land used, prolong the planning landfill time limit, reduce taking of land resource greatly.
Above content is the further explain that combines concrete main embodiment to do, and can not assert that practical implementation of the present invention is confined to these explanations.Those skilled in the art are not breaking away under the prerequisite of the present invention design, some other technology of done accurately, the deduction or replace that beautify, all should belong to protection scope of the present invention.
Claims (3)
1. a waste incineration pre-process technology is characterized in that, may further comprise the steps:
A, rubbish concentrated be transported to totally enclosed discharging place and stack; Collect the penetrating fluid sewage of rubbish in its stacking; And rubbish is carried out mechanical ragging with excavator, screening machine, and according to gravity principle rubbish is carried out broken bag, screening, separation respectively, sieve out solid refuse and liquid refuse;
B, penetrating fluid sewage transport to the Sewage Disposal purification among the step a or fertilizer treatment or biogas are extracted; The solid refuse that sieves out carries out manual work segmentation choosing in the process that belt conveyor is carried, the liquid refuse of sieving out is then carried out fertilizer treatment or biogas and extracted;
C, will pass through artificial fine-sorted solid refuse and sieve into and recyclablely utilize rubbish and can not recycle rubbish; Can not recycle rubbish and carry out coarse crushing; Under the pressure of 25MPa, compress then, make the volume weight that can not recycle rubbish reach 1---1.35t/m
3Thereby, can not recycle rubbish and in the crowded process of pressurized, can overflow its unnecessary sewage generation compression liquid, msw water content is reduced to below 35%;
Compression liquid among d, the step c is transported to sewage treatment plant's processing or carries out biogas and extract and fertilizer treatment; Solid refuse after the compression then is delivered in dry kiln or the wind-heat kiln or dried is carried out in spontaneous fermentation, and the moisture content that can not recycle rubbish is reduced to below 18%;
E, dried solid refuse is sieved once more; Directly as the fuel of burning electricity generation, the lime-ash after its burning is as cement auxiliary material with wherein fritter rubbish, and bulk rubbish then carries out fine crushing; The rubbish particle diameter of fine crushing is below 20mm; Again rubbish is mixed stirring with the mud of handling through press filtration in advance, process the fuel finished product, realize harmless treatment through rolling and forming machine.
2. waste incineration pre-process technology according to claim 1 is characterized in that: the described excavator of step a is two-way grab excavator.
3. waste incineration pre-process technology according to claim 1 is characterized in that: the described screening machine of step a is the drum-type screening machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603354 CN102175026B (en) | 2010-12-23 | 2010-12-23 | Garbage burning pretreatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603354 CN102175026B (en) | 2010-12-23 | 2010-12-23 | Garbage burning pretreatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102175026A CN102175026A (en) | 2011-09-07 |
| CN102175026B true CN102175026B (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010603354 Expired - Fee Related CN102175026B (en) | 2010-12-23 | 2010-12-23 | Garbage burning pretreatment process |
Country Status (1)
| Country | Link |
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| CN (1) | CN102175026B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272825A (en) * | 2013-05-08 | 2013-09-04 | 吴孔根 | Reduced technological upgrading process method of rural and urban refuse transfer station |
| CN103398383A (en) * | 2013-08-23 | 2013-11-20 | 黎汉东 | Solid waste combustion system |
| CN103438460A (en) * | 2013-09-24 | 2013-12-11 | 李先强 | Garbage disposal system |
| CN103486595A (en) * | 2013-10-10 | 2014-01-01 | 栖霞中泰环保设备有限公司 | Method and device for treating household garbage |
| CN103706620A (en) * | 2013-12-23 | 2014-04-09 | 吴孔根 | Reduction technical improvement upgrading technology for urban and rural refuse transfer station |
| CN103900090B (en) * | 2014-03-10 | 2017-02-08 | 深圳市宇力科技有限公司 | Environment-friendly device matched with efficient and pollution-free refuse incineration power generation and using technology thereof |
| CN104907152A (en) * | 2015-06-17 | 2015-09-16 | 中能润达环境工程有限公司 | Treating system for land reclamation of refuse landfill site and treating method |
| CN105032891B (en) * | 2015-07-09 | 2017-03-15 | 大连惠川环保科技有限公司 | A kind of complete resource domestic garbage pyrolysis energy conversion method |
| CN105135443A (en) * | 2015-09-17 | 2015-12-09 | 哈尔滨市金京锅炉有限公司 | Energy-saving environment-friendly garbage incinerator |
| CN105149320A (en) * | 2015-09-17 | 2015-12-16 | 北京铮实环保工程有限公司 | Garbage pretreatment and efficient recycling technology matched with garbage combustion system |
| CN105382016A (en) * | 2015-12-09 | 2016-03-09 | 安徽中泰创展环境科技有限公司 | Household garbage pretreatment technique |
| CN105972610A (en) * | 2016-05-30 | 2016-09-28 | 戴道国 | Collaborative mixed burning method for large-scale treatment |
| CN106111670A (en) * | 2016-07-11 | 2016-11-16 | 启迪桑德环境资源股份有限公司 | One way of life waste incineration and generating electricity preprocess method and system |
| CN106001074A (en) * | 2016-08-17 | 2016-10-12 | 乔光辉 | Environment-friendly household garbage treatment method |
| CN106363012A (en) * | 2016-08-31 | 2017-02-01 | 云南珍稀多生物科技产业有限公司 | Municipal waste recovery treatment equipment and method |
| CN106678817B (en) * | 2017-01-24 | 2018-10-16 | 成都君华睿道科技有限公司 | A kind of dual-purpose solid waste treatment device of compacting burning |
| CN110345485B (en) * | 2019-07-22 | 2021-02-26 | 兰州大学 | Mobile household garbage oxygen-enriched incineration disposal system and method |
| CN111853793A (en) * | 2020-07-27 | 2020-10-30 | 姚敦卫 | Treatment process of household garbage |
| CN112495981A (en) * | 2020-09-10 | 2021-03-16 | 上海老港废弃物处置有限公司 | Method for synchronously realizing odor reduction and storage capacity saving of household garbage landfill |
| CN115371054A (en) * | 2022-09-26 | 2022-11-22 | 衡阳市蓝天环保有限公司 | Domestic waste solid waste recovery processing device |
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| CN102175026A (en) | 2011-09-07 |
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Effective date of registration: 20130515 Address after: 510000, Guangdong, Panyu District province Guangzhou east ring street, 537 North Avenue, Panyu, Panyu energy saving Science Park, Hill Pioneering Center, building 2, zone 3, 610B Patentee after: Wu Konggen Address before: 510000 Guangdong city of Guangzhou province Liwan District East Dun Road No. 436 room 410 Patentee before: Guangzhou XW Environmental Protection Technology Co.,Ltd. |
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