CN106583414A - Treatment method for municipal solid waste - Google Patents
Treatment method for municipal solid waste Download PDFInfo
- Publication number
- CN106583414A CN106583414A CN201611099138.7A CN201611099138A CN106583414A CN 106583414 A CN106583414 A CN 106583414A CN 201611099138 A CN201611099138 A CN 201611099138A CN 106583414 A CN106583414 A CN 106583414A
- Authority
- CN
- China
- Prior art keywords
- screening
- oversize
- treatment method
- domestic waste
- delivered
- 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
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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
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
-
- 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
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- 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
Abstract
The invention provides a treatment method for municipal solid waste, and belongs to the technical field of environment protection. The problems that an existing municipal solid waste comprehensive treatment method is prone to cause secondary pollution, low in utilization rate and the like. The treatment method for municipal solid waste includes the following steps of A, sorting and screening; B, production of powdered organic fertilizer; and C, production of waste derived fuel. The treatment method for municipal solid waste has the characteristics of being reasonable in design, simple in process, low in cost, high in use stability and high in work efficiency.
Description
Technical field
The present invention relates to the processing method of domestic waste, more particularly to a kind of processing method of domestic waste.
Background technology
, also than relatively low, at present, the disposal options of domestic waste are main still for China urban garbage disposal level
Based on landfill, burning and compost.Landfill is the processing mode of domestic waste of dissolving, as incineration residue, compost remain material
Process etc..The advantage of landfill of life waste method is that small investment, expense are low, but shortcoming is also apparent from.Burying method takes
Substantial amounts of soil, being likely to result in during underground water pollution, and dumping can produce inflammable gas, be susceptible to fire
Calamity.When destructor plant is built, destructor plant is it is necessary to have interlayer facility, prevents Landfill Leachate Pollution underground water, together
When have to organic matter in garbage degenerate decompose produce gas process.
Can usually using the method for integrated treatment, to reach innoxious, resource, minimizing principle in prior art.Such as
Chinese patent application (CN1935400A) municipal living refuse comprehensive treatment method, the method includes that broken bag is processed, artificial rough segmentation,
Rubbish is transported to into multifunctional rolling shaft screen after rough segmentation to be sieved, is formed carefully by one time fermentation, regrading and secondary fermentation
Granular organic fertilizer, although domestic waste can be carried out simple integrated treatment by the method, for urban life rubbish
Harmful house refuse in rubbish can cause secondary pollution not through harmless treatment, further for whole domestic waste
Middle screenings is simply filled or brickmaking through simple, using insufficient.
The content of the invention
Present invention aim at for the problems referred to above existing during prior art urban garbage disposal, there is provided
A kind of municipal living refuse comprehensive treatment method, the method carries out integrated treatment using the property of various domestic wastes, from
And reach the principle of the innoxious of domestic waste, minimizing, resource.
The above-mentioned purpose of the present invention can be achieved by the following technical programs：A kind of process side of domestic waste
Method, the method is comprised the following steps：
A, sorting, screening：Domestic waste is delivered to manual sorting and put down by domestic waste by feed, mode of movement
Platform, sub-elects respectively including stone, fragment of brick, glass, metal on manual sorting's platform, is then sieved by screening machine broken bag
To an oversize and a screenings；
B, the organic powder fertilizer of production：The screenings obtained through the screening of screening machine broken bag is delivered in installation for fermenting, in temperature
Spend to ferment more than 2 hours under conditions of 60～80 DEG C, separated on the fertile and secondary sieve of organic powder by sifted after fermentation
Thing, wherein secondary oversize is stand-by；
C, production garbage derivatived fuel：It is defeated after magnetic separation by the oversize obtained through the screening of screening machine broken bag by magnetic separation
Delivering to disintegrating machine carries out coarse crushing, and the material and described secondary oversize after coarse crushing carries out fine crushing through type fine disintegrating machine,
Then garbage derivatived fuel is obtained after extrusion molding, drying.
The processing method of the present invention meets the original of urban garbage disposal " innoxious ", " minimizing " and " resource "
Then, wherein the stone for sorting out, fragment of brick etc. can be used as construction materials, and the city such as glass, old metal for sorting out is given birth to
Rubbish living can be recycled again, it is also possible to sold as waste and old material, increased economic benefit.
In sum, the present invention has advantages below：
1st, processing method of the invention has reached the purpose of municipal refuse synthesization process, it is achieved thereby that at domestic waste
The optimization criteria of reason " innoxious, minimizing, resource ", the material sub-elected in processing procedure can be recycled fully,
The organic powder fertilizer for being produced can be used for base manure；The garbage derivatived fuel for being produced can directly for the fuel of coal-burning power plant etc..
2nd, processing method of the invention not only realizes the purpose of municipal refuse synthesization process, and can produce and have
The garbage derivatived fuel of high heat, the calorific value of the garbage derivatived fuel can reach 12500～17500kj/kg.
3rd, rationally, flow process is simple, and cost is relatively low for the processing method technological design of domestic waste of the invention, is capable of achieving
The purpose of domestic waste " innoxious, minimizing, resource " integrated treatment.
4th, this rapid fermenting device is only made up of cylinder and support etc., therefore simple structure, and cost is relatively low.Meanwhile, in electricity
Cause that there is higher temperature in cylinder in the presence of warmware so that rubbish screenings can sufficiently be fermented, and in tool
Rubbish screenings continuously can be sent into by charging aperture during body use, without shutting down.Therefore, its stability in use
Higher, operating efficiency is higher.
Description of the drawings
Fig. 1 is a kind of process chart of the processing method of domestic waste.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
The embodiment of the processing method of this domestic waste is as follows：
A, sorting, screening：Domestic waste is sent in garbage warehouse and is deposited and is fermented 3～7 days, make domestic waste
Moisture content be down to less than 40%, by the rubbish after biological treatment by conveyer feed, mode of movement delivers to manual sorting and puts down
Platform, sub-elects stone, fragment of brick etc. for building backfilling material, glass, old metal etc. as waste and old on manual sorting's platform
Goods and materials sell, then by conveyer be delivered to bag breaking screening machine screening obtain mainly some yarn fabrics, waste plastics, waste paper,
A more screenings of oversize such as plant leaf and organic powder fertilizer content.
B, the organic powder fertilizer of production：The screenings obtained through bag breaking screening machine screening is delivered to soon by conveyer
In fast installation for fermenting, ferment 2～5 hours under conditions of temperature is for 80 DEG C, after fermentation through magnetic separator in ferrite magnetic field
The recycling of the metal materials such as tiny scrap iron is magneticly elected, is then separated on the fertile and secondary sieve of organic powder by common sifted
Thing, wherein organic powder fertilizer directly recurrence soil, for afforesting, dry crop make base manure, secondary oversize is transported to type fine disintegrating machine
In it is in small, broken bits.
C, production garbage derivatived fuel：By the oversize obtained through the screening of screening machine broken bag through magnetic separator in iron
The recycling of the metal materials such as tiny scrap iron is magneticly elected in oxysome magnetic field, shear breaker is delivered to after magnetic separation and is slightly broken
It is broken, make material particular diameter be less than 5cm after crushing.Material carries out fine crushing through type fine disintegrating machine after coarse crushing, the material after fine crushing
85% is not less than less than 2cm with secondary oversize material particular diameter, while the material without particle diameter more than 5cm.Then by extruding
Machine extrusion molding, and obtain relatively stable after drying at room temperature and be easy to store the bar-shaped rubbish of the diameter in 2cm or so of transport
A kind of derivatived fuel, above-mentioned process chart of the processing method of domestic waste is as shown in Figure 1.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications to described specific embodiment or supplement or replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (1)
1. a kind of processing method of domestic waste, the method is comprised the following steps：A, sorting, screening：By urban life rubbish
Domestic waste is delivered to manual sorting's platform by rubbish by feed, mode of movement, is sub-elected respectively on manual sorting's platform
Including stone, fragment of brick, glass, metal, then an oversize and a screenings are obtained by the screening of screening machine broken bag； B、
Produce organic powder fertilizer：The screenings obtained through the screening of screening machine broken bag is delivered in installation for fermenting, is 60 in temperature
Ferment more than 2 hours under conditions of～80 DEG C, the fertile and secondary oversize of organic powder is separated by sifted after fermentation, wherein two
Secondary oversize is stand-by；C, production garbage derivatived fuel：The oversize obtained through the screening of screening machine broken bag is passed through into magnetic
Choosing, disintegrating machine is delivered to after magnetic separation carries out coarse crushing, and the material and described secondary oversize after coarse crushing is through type fine disintegrating machine
Fine crushing is carried out, then garbage derivatived fuel is obtained after extrusion molding, drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099138.7A CN106583414A (en) | 2016-12-04 | 2016-12-04 | Treatment method for municipal solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099138.7A CN106583414A (en) | 2016-12-04 | 2016-12-04 | Treatment method for municipal solid waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106583414A true CN106583414A (en) | 2017-04-26 |
Family
ID=58596447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611099138.7A Pending CN106583414A (en) | 2016-12-04 | 2016-12-04 | Treatment method for municipal solid waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106583414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442551A (en) * | 2017-07-27 | 2017-12-08 | 光大环保技术研究院（南京）有限公司 | Refuse disposal system and method for disposal based on plasma gasification technology |
-
2016
- 2016-12-04 CN CN201611099138.7A patent/CN106583414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442551A (en) * | 2017-07-27 | 2017-12-08 | 光大环保技术研究院（南京）有限公司 | Refuse disposal system and method for disposal based on plasma gasification technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |
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| WD01 | Invention patent application deemed withdrawn after publication |