CN109351755A - A kind of processing method of aging rubbish - Google Patents

A kind of processing method of aging rubbish Download PDF

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Publication number
CN109351755A
CN109351755A CN201811290915.5A CN201811290915A CN109351755A CN 109351755 A CN109351755 A CN 109351755A CN 201811290915 A CN201811290915 A CN 201811290915A CN 109351755 A CN109351755 A CN 109351755A
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CN
China
Prior art keywords
rubbish
sieve
garbage
sent
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811290915.5A
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Chinese (zh)
Inventor
唐玉婷
黄涛
马晓茜
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South China University of Technology SCUT
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South China University of Technology SCUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN201811290915.5A priority Critical patent/CN109351755A/en
Publication of CN109351755A publication Critical patent/CN109351755A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste or contaminated solids into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/22Revolving drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/46Recuperation of heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/20Waste heat recuperation using the heat in association with another installation
    • F23G2206/203Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/58Construction or demolition [C&D] waste

Abstract

The invention discloses a kind of processing methods of aging rubbish, including being excavated with aging rubbish of the excavator to landfill yard, and destructor plant is transported to enclosed garbage transport vehicle, directly pour into rubbish reservoir, it is transported in rubbish receiving cone through grab bucket, uniformly send through apron feeder to separation system.Separation system includes artificial separation, roller screening, selection by winnowing, magnetic separation, gravity separation etc..The building waste sub-elected is used as raw material for brickmaking after crushing;The combustible component sub-elected is used to prepare garbage derivatived fuel, and garbage derivatived fuel a part obtained is sintered brickmaking for building waste as fuel, and a part is directly used in combustion power generation and uses by oneself for project and externally export;The fertile soil sub-elected is for cultivating urban landscape vegetation.The present invention realizes the minimizing of aging rubbish, innoxious and recycling.

Description

A kind of processing method of aging rubbish
Technical field
The invention belongs to offal treatment fields, and in particular to a kind of processing method of aging rubbish.
Background technique
Aging rubbish refers to be filled for many years in landfill yard, is basically reached stabilisation, can have been carried out the rubbish that exploitation utilizes. The main component of aging rubbish includes: stable inertial-garbage (stone, glass etc.), organic matter (rubber, modeling of bio-refractory Expect film etc.), a small amount of metal, remaining major part is fertile soil.China gradually starts to use and fill out since the 1970s Bury the method that mode is disposed as urban garbage disposal.Present landfill method is still the main of China's disposition domestic waste Mode.It is counted according to urban garbage disposal situation in 2016, handles disposition domestic waste using landfill method and account for whole The 60% of refuse collection amount, there are also 4% to stack and simple disposition.China be completed large-scale landfill more, filling The up to ten million tons of rubbish, the city in the whole nation about 2/3 is faced with the predicament of garbage-surrounded city at present, and 1/4 municipal refuse is forced to rural area Transfer.
The several outstanding problems faced using landfill method processing domestic waste:
(1) quantity of refuse is increasing every year, and the area of required landfill yard is increasing, growing quantity of refuse with it is in short supply Land resource contradiction it is increasingly prominent;
(2) city is constantly expanded to periphery suburb, and refuse landfill addressing is more and more difficult, and many refuse landfills all exist Overload operation, the problem of facing closing so as to cause storage capacity consumes rapidly;
(3) after China the 1970s, a large amount of refuse landfills of especially middle and later periods eighties construction have been arrived Reach or will reach service life.Problem urgent need to resolve is built again and recycled to landfill yard;
(4) there are a considerable number of non-normal refuse landfills for surrounding city.These landfill yards are built along topography, Regular Anti-seeping technology and landfill disposal are not done, antifouling capacity is weak, all causes to underground water, soil, atmosphere, surrounding enviroment Secondary pollution, and occupy a large amount of land resource.
The integrated treatment of the aging rubbish of city life garbage landfill and recycling have the advantage that
(1) garbage decrement can obtain land resource, reuse landfill yard, pass through comprehensive garbage disposal process It realizes rubbish volume reduction, while filling place and realizing ecological recovery, so that original soil can carry out secondary development.In land resource Under the situation of growing tension, the processing of original aging rubbish of closing landfill yard has very big market potential;
(2) garbage harmless can eliminate pollution of the refuse landfill to surrounding enviroment and underground water, especially original A large amount of informal landfill yards, due to not taking effective safeguard procedures within the operating phase, water, gas and stink of generation etc. pollute, Not only the life of nearby residents is caused and is seriously affected, harm also is caused to underground water, passes through the Synthetic of aging rubbish Reason, can effectively eliminate original pollution sources, improve the ecological environment, and have huge environmental benefit and social benefit;
(3) garbage as resource can obtain the resource of recoverable, realize resource circulation utilization.By efficiently sieving Technology and equipment is divided to handle aging rubbish, by material using classification by garbage classification, sorted combustible can be used for burning hair Electricity, fertile soil can be used for cultivating urban landscape vegetation, and brick and tile class rubbish can be used for brickmaking after processing;It can make full use of aging Useful component in rubbish realizes aging garbage as resource.
Summary of the invention
In order to overcome shortcoming and deficiency of the existing technology, the present invention provides a kind of processing method of aging rubbish.This Invention is a kind of minimizing, recycling and innoxious processing method.
The present invention adopts the following technical scheme:
A kind of processing method of aging rubbish, includes the following steps:
S1 is excavated: being excavated with excavator to aging rubbish, and is transported to rubbish General Office with enclosed garbage transport vehicle Factory is managed, rubbish reservoir is poured into;
S2 feeding: grab bucket rubbish is transported in rubbish receiving cone from rubbish reservoir, uniformly sent through apron feeder to Sorting table sorts out thin-graded ingredient, and the not thin-graded ingredient includes glass and battery;
Roller screening of S3: the rubbish after sorting is sent into cylinder round sifter and carries out first time screening, for separating grain Diameter 40-200mm and 40mm two classes material below, the material of 40-200mm are heavy material level on sieve, and another kind of material is Light material is located under sieve;
S4 selection by winnowing: rotary screen on-the-sieve material is delivered to big material wind selection device, undersize material is sent to garbage derivatived fuel Prepare workshop;
S5 magnetic separation: magnetisable material is sorted out through suspended magnetic separator and is used to recycle by heavier feeds, and remaining material is sent Brickmaking is used for forge;
S6 sunning: a roller screenings is dried;
S7 secondary roller screening: by the screenings after sunning enter secondary roller sieve, isolate 20~40mm and 20mm with Lower two kinds of materials, the material of 20-40mm are located on the sieve of rotary screen, and the material of 20mm is located under sieve;
S8 second wind election, send on-the-sieve material into big material wind selection device, and material is divided into building waste and flammable light object Matter, building waste are sent to forge after passing through magnetic separator for brickmaking, and flammable light materials are sent to garbage derivatived fuel (RDF) system Standby workshop;
The flammable light materials of S8 are carried out broken obtained RDF in garbage derivatived fuel preparation workshop by S9, and a part transports forging to Workshop is made as fuel needed for brickmaking, the remaining combustion power generation that is directly used in is used by oneself for project and externally exported.
The screen slot width of rotary screen is 40mm or 30mm.
The screen slot width of the secondary roller sieve is 20mm or 15mm.
The totally-enclosed operation of whole process.
Beneficial effects of the present invention:
The present invention realizes " minimizing, recycling, innoxious " of aging rubbish using aging rubbish as raw material, solves rubbish Landfill yard is especially the secondary pollution and security risk of informal landfill yard, realizes the recycling of refuse landfill or vacates soil Ground is otherwise utilized.Entire pretreating process carries out closed operation, without secondary pollution.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, but embodiments of the present invention are not It is limited to this.
Embodiment
As shown in Figure 1, a kind of processing method of aging rubbish, includes the following steps:
S1 is excavated: being excavated with excavator to aging rubbish, and is transported to rubbish General Office with enclosed garbage transport vehicle Factory is managed, rubbish reservoir is poured into;
S2 feeding: grab bucket rubbish is transported in rubbish feed funnel from rubbish reservoir, uniformly sent through apron feeder to Sorting table sorts out thin-graded ingredient, and the not thin-graded ingredient includes glass and battery;The rubbish feeding Funnel partial size can be greater than the ratchel of 200mm and combustible is separated.
Roller screening of S3: the rubbish after sorting is sent into cylinder round sifter and carries out first time screening, for separating grain Diameter 40-200mm and 40mm two classes material below, the material of 40-200mm are heavy material level on sieve, and another kind of material is Light material is located under sieve;
S4 selection by winnowing: rotary screen on-the-sieve material is delivered to big material wind selection device and realizes inertial-garbage and combustible rubbish Separation, undersize material are that the combustible rubbish of fertile soil, inertial-garbage and high heating value is sent to garbage derivatived fuel preparation workshop;
S5 magnetic separation: magnetisable material is sorted out through suspended magnetic separator and is used to recycle by heavier feeds, and remaining material is sent Brickmaking is used for forge;
S6 sunning: a roller screenings is dried;
S7 secondary roller screening: by the screenings after sunning enter secondary roller sieve, isolate 20~40mm and 20mm with Lower two kinds of materials, the material of 20-40mm are located on the sieve of rotary screen, mainly stone class inertial-garbage and lightweight combustible rubbish The material of rubbish, 20mm is located under sieve, mainly fertile soil, for cultivating urban landscape vegetation.Secondary roller sieves screen slot width 20mm;
S8 second wind election, send on-the-sieve material into big material wind selection device, and material is divided into building waste and flammable light object Matter, building waste are sent to forge after passing through magnetic separator for brickmaking, and flammable light materials are sent to garbage derivatived fuel and prepare vehicle Between;
The flammable light materials of S8 are carried out broken obtained garbage derivatived fuel in garbage derivatived fuel preparation workshop by S9 (RDF), a part transports forge to as fuel needed for brickmaking, it is remaining be directly used in combustion power generation use by oneself for project and Externally output.
The present invention is in implementation process, and whole totally-enclosed operation for the treatment of process line is without secondary pollution, both obtains aging rubbish Effective processing has been arrived, and has taken full advantage of useful component therein, informal landfill yard land occupation can have been solved and by aging rubbish The land resource that refuse landfill recycles or release is occupied by rubbish is realized in a series of pollution problems of bring, is realized aging The minimizing of rubbish, innoxious, recycling.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by the embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (4)

1. a kind of processing method of aging rubbish, which comprises the steps of:
S1 is excavated: aging rubbish excavated with excavator, and is transported to comprehensive garbage disposal factory with enclosed garbage transport vehicle, Pour into rubbish reservoir;
S2 feeding: grab bucket is transported to rubbish in rubbish receiving cone from rubbish reservoir, uniformly send through apron feeder to sorting Platform sorts out thin-graded ingredient, and the not thin-graded ingredient includes glass and battery;
Roller screening of S3: the rubbish after sorting is sent into cylinder round sifter and carries out first time screening, is used for particle separation diameter 40- 200mm and 40mm two classes material below, the material of 40-200mm are heavy material level on sieve, and another kind of material is lightweight object Material position is under sieve;
S4 selection by winnowing: rotary screen on-the-sieve material is delivered to big material wind selection device, undersize material send to garbage derivatived fuel and prepares Workshop;
S5 magnetic separation: magnetisable material is sorted out through suspended magnetic separator and is used to recycle by heavier feeds, and remaining material is sent to forging Workshop is made for brickmaking;
S6 sunning: a roller screenings is dried;
The screening of S7 secondary roller: the screenings after sunning is entered into secondary roller sieve, isolates 20~40mm and 20mm or less two Kind material, the material of 20-40mm is located on the sieve of rotary screen, and the material of 20mm is located under sieve;
On-the-sieve material is sent into big material wind selection device, material is divided into building waste and flammable light materials, is built by S8 second wind election Building refuse is sent to forge after passing through magnetic separator for brickmaking, and flammable light materials are sent to garbage derivatived fuel preparation workshop;
The flammable light materials of S8 are carried out broken obtained RDF in garbage derivatived fuel preparation workshop by S9, and a part transports forging vehicle to Between as fuel needed for brickmaking, the remaining combustion power generation that is directly used in is for project is personal and externally output.
2. processing method according to claim 1, which is characterized in that the screen slot width of a rotary screen be 40mm or 30mm。
3. processing method according to claim 1, which is characterized in that the solarization wind width of secondary roller sieve be 20mm or 15mm。
4. processing method according to claim 1, which is characterized in that the totally-enclosed operation of whole process.
CN201811290915.5A 2018-10-31 2018-10-31 A kind of processing method of aging rubbish Pending CN109351755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN110624928A (en) * 2019-10-09 2019-12-31 安徽国祯环卫科技有限公司 Garbage pile excavation operation method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN110624928A (en) * 2019-10-09 2019-12-31 安徽国祯环卫科技有限公司 Garbage pile excavation operation method

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