CN106040699A - Pretreatment method of stale refuse - Google Patents
Pretreatment method of stale refuse Download PDFInfo
- Publication number
- CN106040699A CN106040699A CN201610366093.9A CN201610366093A CN106040699A CN 106040699 A CN106040699 A CN 106040699A CN 201610366093 A CN201610366093 A CN 201610366093A CN 106040699 A CN106040699 A CN 106040699A
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- Prior art keywords
- rubbish
- screen
- refuse
- garbage
- bar screen
- Prior art date
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- 238000002203 pretreatment Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 53
- 238000012216 screening Methods 0.000 claims abstract description 17
- 239000004575 stone Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000006148 magnetic separator Substances 0.000 claims abstract description 7
- 239000010813 municipal solid waste Substances 0.000 claims description 148
- 239000002689 soil Substances 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 14
- 239000003814 drug Substances 0.000 claims description 12
- 229940079593 drug Drugs 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000007885 magnetic separation Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 4
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000010782 bulky waste Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a pretreatment method of stale refuse. The pretreatment method comprises the steps that the stale refuse is excavated by an excavator and is transported to a refuse comprehensive treatment plant through a closed refuse transport vehicle to be stacked at the feed position of a plate type feeding machine; the refuse is transported onto the plate type feeding machine through a loading vehicle, and the plate type feeding machine carries out feed on a bar screen through a belt conveyor; the bar screen is used for carrying out screening on the refuse for the first time, and three kinds of refuse different in density or size are separated out; black metal is separated out of screen underflow generated after screening of the bar screen through a magnetic separator; the screen underflow of the bar screen enters a roller screen, and three kinds of refuse different in density or size are separated out; screen overflow of the roller screen is subjected to winnowing; stone is picked out of screen overflow of the bar screen; and inert refuse and combustible refuse are broken. In the implementation process, the whole pretreatment process line operates in a totally closed manner. Reducing, recycling and harmless treatment of the stale refuse is achieved, secondary pollution and potential safety hazards of a refuse landfill, especially an informal landfill, are solved, reutilization of the refuse landfill is achieved, or land is emptied for other use, the whole pretreatment process is carried out in a closed manner, and no secondary pollution exists.
Description
Technical field
The present invention relates to a kind of Ordinary solid waste domestic waste preconditioning technique, particularly relate to a kind of old rubbish
Preprocess method.
Background technology
Landfill yard rubbish, also known as mineralized waste, refers to fill for many years in landfill yard, basically reaches stabilisation, can carry out
The rubbish that exploitation utilizes.The main component of rubbish includes: stable inertial-garbage (stone, glass etc.), having of bio-refractory
Machine thing (rubber, plastic sheeting etc.), a small amount of metal, remaining major part is fertile soil.Since 20 century 70s China by
Gradually begin with the method that land-fill method is disposed as urban garbage disposal.Landfill method is still China and disposes city life now
The major way of rubbish alive.According to urban garbage disposal situation statistics in 2013, utilize landfill method to process and dispose city life
Rubbish of living accounts for the 60.61% of whole refuse collection amount, and also 11% for stacking and simply disposing.The bulky refuse that China is built
Many of landfill yard, inserts the up to ten million ton of rubbish, and the city in the whole nation 2/3 is surrounded by rubbish, and the city of 1/4 is forced rubbish and turns to rural area
Move.
Several outstanding problems that employing landfill method process domestic waste faces:
(1) quantity of refuse is the most all increasing, and the area of required landfill yard is increasing, and growing quantity of refuse is with in short supply
Land resource contradiction day by day highlight；
(2) city is constantly expanded to periphery suburb, and refuse landfill addressing is more and more difficult, and a lot of refuse landfills all exist
Overload operation, as Guangzhou Xing Feng, Design Treatment ability 2000-4500t/d, actual treatment ability 6000-8000t/d, super negative
Lotus 200%；Shanghai Lao Gang mono-phase over loading 33%, the also garbage loading embeading such as Beijing Gao Antun, Beijing A Suwei, Wuhan Chen Jiachong
Field is all in overload operation；These result in storage capacity and consume rapidly and the problem that faces closing；
(3), after China 20 century 70, particularly a large amount of refuse landfills of middle and late stage eighties construction have been arrived
Reach or service life will be arrived.Construction again and the recycling problem of landfill yard need solution badly；
(4) there is a considerable number of non-normal refuse landfill in surrounding city.Mostly these landfill yards are to build along physical features,
Not doing regular Anti-seeping technology and landfill disposal, antifouling capacity is weak, all causes subsoil water, soil, air, surrounding enviroment
Secondary pollution, and take substantial amounts of land resource.
Summary of the invention
It is an object of the invention to provide a kind of minimizing, resource, innoxious old rubbish preprocess method.
It is an object of the invention to be achieved through the following technical solutions:
The old rubbish preprocess method of the present invention, including step:
The first step, excavates: excavate old rubbish with excavator, and it is comprehensive to be transported to rubbish with enclosed garbage transport vehicle
Close treatment plant, be deposited at apron feeder feeding；
Second step, feeding: load wagon is transported to rubbish on apron feeder, apron feeder give rod through belt conveyor
Bar oversize；
3rd step, pre-screening: utilize bar screen rubbish to be carried out for the first time and sieve, isolate three kinds of different densities or size
Rubbish；
4th step, magnetic separation: the siftage after bar screen screening sub-elects ferrous metal through magnetic separator；
5th step, rotary screen multistage sieves: bar screen siftage enters rotary screen, isolates three kinds of different densities or size
Rubbish；
6th step, selecting crude drugs with winnower: rotary screen oversize enters selecting crude drugs with winnower；
7th step, artificial separation: sort out stone from bar screen oversize；
8th step, inertial-garbage crushes；
9th step, combustible refuse breaking: include plastic sheeting class and rubber-like refuse breaking；
Above-mentioned steps in implementation process, the totally-enclosed operation of whole piece pretreating process line.
As seen from the above technical solution provided by the invention, the old rubbish pretreatment side that the embodiment of the present invention provides
Method, with old rubbish as raw material, it is achieved " minimizing, resource, innoxious " of old rubbish, solves refuse landfill particularly
The secondary pollution of informal landfill yard and potential safety hazard, it is achieved the recycling of refuse landfill or to vacate soil otherwise utilized.
Whole pretreating process carries out closed operation, non-secondary pollution.
Accompanying drawing explanation
The equipment of the old rubbish preprocess method that Fig. 1 provides for the embodiment of the present invention arranges schematic diagram.
The process chart of the old rubbish preprocess method that Fig. 2 provides for the embodiment of the present invention.
In figure:
1, apron feeder, 2, bar screen, 3, magnetic separator, 4, rotary screen, 5, winnower, 6, flexible refuse grinder, 7,
Artificial separation platform, 8, inertial-garbage disintegrating machine.
Detailed description of the invention
The embodiment of the present invention will be described in further detail below.
The old rubbish preprocess method of the present invention, its preferably detailed description of the invention is:
Including step:
The first step, excavates: excavate old rubbish with excavator, and it is comprehensive to be transported to rubbish with enclosed garbage transport vehicle
Close treatment plant, be deposited at apron feeder feeding；
Second step, feeding: load wagon is transported to rubbish on apron feeder, apron feeder give rod through belt conveyor
Bar oversize；
3rd step, pre-screening: utilize bar screen rubbish to be carried out for the first time and sieve, isolate three kinds of different densities or size
Rubbish；
4th step, magnetic separation: the siftage after bar screen screening sub-elects ferrous metal through magnetic separator；
5th step, rotary screen multistage sieves: bar screen siftage enters rotary screen, isolates three kinds of different densities or size
Rubbish；
6th step, selecting crude drugs with winnower: rotary screen oversize enters selecting crude drugs with winnower；
7th step, artificial separation: sort out stone from bar screen oversize；
8th step, inertial-garbage crushes；
9th step, combustible refuse breaking: include plastic sheeting class and rubber-like refuse breaking；
Above-mentioned steps in implementation process, the totally-enclosed operation of whole piece pretreating process line.
The a width of 150mm of screen slot of described bar screen, the rubbish screening out three kinds of different sizes and density includes on two kinds of sieves
Thing and a kind of siftage, described oversize is inertial-garbage and the lightweight combustible rubbish that physical dimension is more than 150mm, utilizes rubbish
Rubbish proportion and and bar screen between the difference of frictional force, when rubbish runs to the outlet of bar screen lower end, produce different impellings
Velocity interpolation inertial-garbage and the separation of combustible rubbish, described siftage is the rubbish that physical dimension is less than 150mm, described sieve
Lower thing includes the combustible rubbish of fertile soil, inertial-garbage and high heating value；
Before described 4th step magnetic separation is arranged in different steps according to the practical situation of old rubbish Metal Distribution or it
After.
The two sections of screenings of screening of described cylinder, the siftage of bar screen enters rotary screen, sifts out 3 kinds of different sizes or the rubbish of density
Rubbish includes:
Rotary screen leading portion mesh size 30mm, siftage is fertile soil；
Rotary screen back segment mesh size 40mm, siftage is mainly stone class inertial-garbage；
Rotary screen oversize is mainly plastic sheeting, rubber-like combustible rubbish and inertial-garbage.
Described rotary screen back segment oversize enters winnower selecting crude drugs with winnower, according to rubbish proportion and the difference of particle diameter, isolates lazy
Property rubbish and plastic sheeting lightweight class combustible rubbish.
Sorting personnel sort out, from bar screen lightweight class oversize, the stone infiltrated.
The stone that inertial-garbage, the inertial-garbage of bar screen oversize and the manual sorting that selecting crude drugs with winnower goes out goes out enters special hard thing
Matter class refuse breaking crusher machine, the particle diameter of broken rear rubbish, at about 40mm, is used as ground based filler.
The plastic sheeting class rubbish that winnower is selected and the bar screen oversize lightweight class combustible rubbish after artificial separation
Rubbish enters the light materials class crusher in crushing that another is special, and combustible refuse breaking to about 80mm enters follow-up pyrolysis work
Skill.
The old rubbish preprocess method of the present invention, with old rubbish as raw material, it is achieved " minimizing, the money of old rubbish
Source, innoxious ", solve secondary pollution and the potential safety hazard of the most informal landfill yard of refuse landfill, it is achieved rubbish is filled out
Bury the recycling of field or to vacate soil otherwise utilized.Whole pretreating process carries out closed operation, non-secondary pollution.
In above-mentioned old rubbish preprocess method, in implementation process, processing equipment is installed additional seal closure, between equipment
Belt conveyor also add seal closure, artificial separation platform arranges the sorting room of closing.
Combustible after Po Sui enters pyrolysis system pyrolytic gasification, and it is fuel-displaced gentle to separate.
The present invention contrasts prior art and provides the benefit that:
1. the old rubbish preprocess method that the present invention provides, uses the pretreatment work that " machinery+artificial separation " combines
Skill, this process route is brief, and investment, operating cost are less, run, maintenance cost relatively low.The airtight operation of pretreating process line, has
Effect prevents and reduces secondary pollution.
2. the old rubbish preprocess method that the present invention provides, its process system equipment main technologic parameters selects rationally,
Every one technique is all that subsequent technique provides good sorting basis.
3. the present invention provide old rubbish preprocess method, the main component by rubbish: inertial-garbage, combustible,
Fertile soil and metal are separated, and improve the efficiency of separation and the recycling efficiency of rubbish.Achieve old garbage decrement, resource
Change and innoxious, and provide guarantee for follow-up comprehensive garbage disposal and resource.Solve garbage-surrounded city, atmospheric pollution,
The problem such as underground water pollution, land seizure, beneficially social need-oriented or reuse.
Specific embodiment:
Refer to accompanying drawing 1 and accompanying drawing 2, the one old rubbish preprocess method that the present invention provides, process step including following
Rapid:
The first step, excavates.Old rubbish is excavated, with airtight cram packer, old rubbish is transported to rubbish comprehensive
Treatment stations, is deposited at apron feeder feeding；
Second step, feeding.Rubbish, on rubbish the most up to apron feeder, is sent into by load wagon by belt conveyor
Bar screen, carries out sieving for the first time；
3rd step, pre-screening.Utilize bar screen oversize proportion and different from sieve plate frictional force, when oversize is transported to rod
During bar grizzl(e)y lower end, producing different ejection velocities, the different rubbish of two kinds of proportion drops down onto the distance that bar screen lower end is different respectively
Place, oversize light materials class falls on the artificial separation platform belt conveyor nearer apart from bar screen, the inertial-garbage of bulk
Then cross belt conveyor with speed faster and drop into bar screen front end inertial-garbage material pit；Bar screen siftage is by siftage
Splicing belt is transported on an other belt conveyor being connected with rotary screen；
4th step, magnetic separation.Magnetic separator is suspended on the top of the belt conveyor that bar screen is connected with rotary screen, when rubbish from
When passing through below magnetic separator, ferrous metal can be sub-elected；
5th step, rotary screen sieves.Cylinder two sections of screenings of screening, leading portion mesh size 30mm, back segment mesh size 40mm.Leading portion
Siftage is fertile soil, belt conveyor deliver to fertile soil windrow, as afforestation.Back segment siftage is inertia rubbish
Rubbish, mostly is sandstone, is used as ground based filler, belt conveyor is transported to sandstone windrow.Oversize is inertial-garbage and combustible,
It is transported to winnower by belt conveyor；
6th step, selecting crude drugs with winnower.Rotary screen back segment oversize enters winnower selecting crude drugs with winnower, according to rubbish proportion and the difference of particle diameter, real
Existing plastic sheeting class and the separation of inertial-garbage；
7th step, manual sorting.Bar screen oversize light materials class rubbish enters artificial separation platform, by people's work point
Choosing, sorts out the stone infiltrated, belt conveyor is transported to inertial-garbage material pit；
8th step, inertial-garbage crushes.After stone that manual sorting goes out, selecting crude drugs with winnower, weight density waste is transported by belt conveyor
To rubbish material pit Convergency fracturing, being crushed to about 40mm, the inertial-garbage after crushing does ground based filler.
9th step, combustible garbage crushes.Bar screen oversize light materials class rubbish selects with winnower after manual sorting
The light materials class rubbish gone out is sent into special light materials crusher in crushing by belt conveyor, is crushed to about 100mm, after crushing
Combustible enter follow-up pyrolytic process.
Utilize the old rubbish preprocess method of the present invention, be successfully separated out fertile soil, inertial-garbage, combustible and gold
Belong to.Fertile soil is used as afforestation or improvement soil, and inertial-garbage is used as pyrolysis feed, metal as ground based filler, combustible
Directly recycle.This pretreating process achieves garbage decrement, resource and innoxious, solves land seizure simultaneously and asks
Topic, the beneficially recycling in soil and reusing, improve the utilization ratio in soil.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be as the criterion.
Claims (8)
1. an old rubbish preprocess method, it is characterised in that include step:
The first step, excavates: excavate old rubbish with excavator, and be transported to rubbish General Office with enclosed garbage transport vehicle
Reason factory, is deposited at apron feeder feeding；
Second step, feeding: load wagon is transported to rubbish on apron feeder, by apron feeder through belt conveyor to bar screen
Feeding；
3rd step, pre-screening: utilize bar screen rubbish to be carried out for the first time and sieve, isolate three kinds of different densities or the rubbish of size
Rubbish；
4th step, magnetic separation: the siftage after bar screen screening sub-elects ferrous metal through magnetic separator；
5th step, rotary screen multistage sieves: bar screen siftage enters rotary screen, isolates three kinds of different densities or the rubbish of size
Rubbish；
6th step, selecting crude drugs with winnower: rotary screen oversize enters winnower；
7th step, artificial separation: sort out stone class inertial-garbage from bar screen oversize；
8th step, inertial-garbage crushes；
9th step, combustible refuse breaking: include plastic sheeting class and rubber-like refuse breaking；
Above-mentioned steps in implementation process, the totally-enclosed operation of whole piece pretreating process line.
Old rubbish preprocess method the most according to claim 1, it is characterised in that the screen slot of described bar screen is a width of
150mm, the rubbish screening out three kinds of different sizes and density includes two kinds of oversizes and a kind of siftage, and described oversize is several
Inertial-garbage more than 150mm of what size and lightweight combustible rubbish, utilize rubbish proportion and and bar screen between frictional force
Difference, when rubbish runs to the outlet of bar screen lower end, produces different ejection velocities and realizes inertial-garbage and combustible rubbish
Separation, described siftage is the rubbish that physical dimension is less than 150mm, and described siftage includes fertile soil, inertial-garbage and height
The combustible rubbish of calorific value.
Old rubbish preprocess method the most according to claim 1, it is characterised in that described 4th step magnetic separation is according to old
Before or after the practical situation of rubbish Metal Distribution is arranged in different steps.
Old rubbish preprocess method the most according to claim 1, it is characterised in that described cylinder two sections of screenings of screening,
The siftage of bar screen enters rotary screen, and the rubbish sifting out 3 kinds of different sizes or density includes:
Rotary screen leading portion mesh size 30mm, siftage is fertile soil；
Rotary screen back segment mesh size 40mm, siftage is mainly stone class inertial-garbage；
Rotary screen oversize is mainly plastic sheeting, rubber-like combustible rubbish and inertial-garbage.
Old rubbish preprocess method the most according to claim 4, it is characterised in that described rotary screen back segment oversize enters
Enter winnower selecting crude drugs with winnower, according to rubbish proportion and the difference of particle diameter, isolate inertial-garbage and plastic sheeting lightweight class combustible rubbish
Rubbish.
Old rubbish preprocess method the most according to claim 1, it is characterised in that personnel are from bar screen lightweight class in sorting
Oversize is sorted out the stone infiltrated.
7. according to the old rubbish preprocess method described in any one of claim 1 to 6, it is characterised in that the inertia that selecting crude drugs with winnower goes out
The stone that rubbish, the inertial-garbage of bar screen oversize and manual sorting go out enters special hard material type refuse breaking crusher machine,
After broken, the particle diameter of rubbish is at about 40mm, is used as ground based filler.
8. according to the old rubbish preprocess method described in any one of claim 1 to 6, it is characterised in that winnower is selected
It is special light that plastic sheeting class rubbish and the bar screen oversize lightweight class combustible rubbish after artificial separation enter another
Material type crusher in crushing, combustible refuse breaking to about 80mm enters follow-up pyrolytic process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366093.9A CN106040699B (en) | 2016-05-27 | 2016-05-27 | Aging rubbish preprocess method |
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|---|---|---|---|
| CN201610366093.9A CN106040699B (en) | 2016-05-27 | 2016-05-27 | Aging rubbish preprocess method |
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| CN106040699A true CN106040699A (en) | 2016-10-26 |
| CN106040699B CN106040699B (en) | 2019-02-19 |
Family
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| CN106694529A (en) * | 2017-03-01 | 2017-05-24 | 广东东实开能能源有限公司 | Refuse yard regeneration reusing system and method |
| CN106824999A (en) * | 2017-02-23 | 2017-06-13 | 石东春 | Refuse classification+pyrolysis processing stove integrated treatment station equipment and technique |
| CN106944465A (en) * | 2017-05-11 | 2017-07-14 | 临川环境技术（天津）有限公司 | Composite module metaplasia work comprehensive treatment device for rubbishes |
| CN108315081A (en) * | 2018-04-08 | 2018-07-24 | 源创环境科技有限公司 | The RDF production systems of aging rubbish are dried using the landfill gas of refuse landfill |
| CN108636753A (en) * | 2018-04-04 | 2018-10-12 | 江苏天晟环境科技有限公司 | Stale household garbage pre-screening device and method |
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| CN106694529A (en) * | 2017-03-01 | 2017-05-24 | 广东东实开能能源有限公司 | Refuse yard regeneration reusing system and method |
| CN106944465A (en) * | 2017-05-11 | 2017-07-14 | 临川环境技术（天津）有限公司 | Composite module metaplasia work comprehensive treatment device for rubbishes |
| CN108636753A (en) * | 2018-04-04 | 2018-10-12 | 江苏天晟环境科技有限公司 | Stale household garbage pre-screening device and method |
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| CN111215425A (en) * | 2018-11-26 | 2020-06-02 | 厦门德星绿色环境科技有限公司 | Method for activating land of landfill and recycling garbage |
| CN109500064A (en) * | 2018-12-20 | 2019-03-22 | 宜兴华都琥珀环保机械制造有限公司 | A kind of process system handling aging rubbish and method |
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| CN110560452A (en) * | 2019-08-23 | 2019-12-13 | 腾重(上海)机械科技有限公司 | method, system and medium for treating decoration and stale garbage |
| CN111068903A (en) * | 2019-12-27 | 2020-04-28 | 徐鹤 | Efficient sorting treatment method for stale garbage |
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| CN114210717A (en) * | 2021-07-28 | 2022-03-22 | 巨锋 | Recycling treatment method for old garbage |
| CN114210717B (en) * | 2021-07-28 | 2024-03-08 | 巨锋 | Method for recycling aged garbage |
| CN114247548A (en) * | 2021-12-27 | 2022-03-29 | 广东德济环境发展有限公司 | Full-automatic screening system for stale garbage |
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