CN103302074B

CN103302074B - One way of life process for treating garbage as resource

Info

Publication number: CN103302074B
Application number: CN201210067681.4A
Authority: CN
Inventors: 韩小清
Original assignee: BEIJING XIAOQING ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
Current assignee: BEIJING XIAOQING ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
Priority date: 2012-03-15
Filing date: 2012-03-15
Publication date: 2016-08-10
Anticipated expiration: 2032-03-15
Also published as: CN103302074A

Abstract

The invention provides that one realizes the sorting of the house refuse degree of depth, various sorting product all recycles, realize the domestic garbage resource processing method of the full dose resource of house refuse, comprise the steps: (1) rubbish is automatically performed weigh, record；By uniform distributor uniform distributing, then rubbish is sent on belt conveyor；(2) Belt Conveying rubbish first passes around after bag-breaking machine crushes and enters artificial roughing chamber；(3) rubbish after roughly selecting through magnetic separation and selecting crude drugs with winnower；(4) by rotary screen wet concentration that house refuse entrance aperture is 20mm；(5) again house refuse is entered magnetic separation, enter back into the second aperture rotary screen wet concentration more than 100mm；(6) combustible sub-elected in described step (2), (3), (4), (5)；Plastics, rubber-like rubbish；Glass, grit class rubbish and organic matter.The domestic garbage resource processing method of the present invention, it is achieved the house refuse degree of depth sorts；Various sorting products all recycle.

Description

One way of life process for treating garbage as resource

Technical field

The present invention relates to one way of life waste disposal method, especially one way of life garbage as resource process side Method.

Background technology

House refuse refers to provide service in urbanite's daily life or for urban life people's daily life Activity in produce, and cannot utilize abandon to pollute the solid of environment, half solid in certain time and place Body waste material.In recent ten years, China's domestic waste annual production reaches more than 100,000,000 ton, and every year with The speed of 8%-10% increases.Rubbish year, handling rate only had 50%, and actual rubbish processing to be harmless rate only has 30%, So the disposal that processes of house refuse has become the pressing problem that our country faces.

At present, city house refuse treatment method mainly has:, sanitary landfill method, incineration disposal method, biology Composting process and synthesization facture etc..

The subject matter that sanitary landfills exists: produce a large amount of percolate, as dealt with improperly, be likely to result in Earth's surface, underground and the severe contamination of rivers and creeks water, the uncontrollable biogas additionally produced after landfill house refuse, Not only surrounding enviroment are caused serious harm, be also simultaneously cause Global Greenhouse Effect, climate warming main Arch-criminal, landfill need to take a large amount of soil, and non-renewable utilization, most importantly the most at home Landfill crude waste has been prohibited in city.

The subject matter that burning method exists: investment is big, operating cost is high, easily produces all kinds of in combustion process Harmful material, the carcinogen such as two the most notorious English, with sides such as gas, lime-ash, waste water Formula, gradually penetrates in the environment around us, and future will result in catastrophic serious consequence, therefore difficult To realize innoxious and full dose resource target.

The subject matter that biological compost method exists: disposal field is big；The compost time is long；Stink is dense, the most easily-controllable System；Easily climate impact；Product quality is the highest；Fertilizer efficiency is relatively low；Product is difficult to sell；To sanitary Impact impact is bigger.

Summary of the invention

The invention provides one realize the house refuse degree of depth sorting, various sorting product all recycle, Realize the domestic garbage resource processing method of the full dose resource of house refuse.

Realize the domestic garbage resource processing method of the object of the invention, comprise the steps:

(1) rubbish is automatically performed weigh, record；By uniform distributor uniform distributing, then by rubbish Rubbish is sent on belt conveyor；

(2) Belt Conveying rubbish first passes around after bag-breaking machine crushes and enters artificial roughing chamber, sorts big part rubbish Rubbish (such as brick, tile fragment, timber etc.), the similar rubbish that these Bulky Wastes go out with follow-up separation is located in the lump Reason；

(3) rubbish is through magnetic separation and selecting crude drugs with winnower after roughly selecting, and is sorted out by the ferrous metal in rubbish in magnetic separation, Plastics in rubbish are sorted out by selecting crude drugs with winnower；

(4) by the rotary screen wet concentration that house refuse entrance aperture is 20mm, particle diameter is less than under the sieve of 20mm If inorganic matters such as the sand that owner's particle diameter is less, brick and tile, grit, sink to and discharge bottom wet concentration pond, permissible Do building materials to utilize；

(5) again house refuse is entered magnetic separation, enter back into the second aperture rotary screen water more than 100mm Choosing, wherein particle diameter enters high efficiency composition anaerobic system at the rubbish of 20mm and 100mm after crushing and beating； The particle diameter rubbish more than 100mm, filters out plastics, combustible after selecting crude drugs with winnower and artificial thin choosing, has coloured gold Belong to；

(6) combustible sub-elected in described step (2), (3), (4), (5) is (such as woodwork, silk Goods and paper products etc.) can be made into fuel slug feeding boiler combustion, the slag formed after boiler combustion is used for making Brick, had both decreased residue and had processed, reduced again the fuel consumption of Project in Operation；Plastics, rubber-like rubbish In, the heavy plastics that a part can not recycle is sold as waste product, and another recyclable light plastic of part can Carry out plastic granulating；Glass, grit class rubbish then can do building materials utilize (as porous brick processed, non-bearing building block, The building materials such as pavior brick)；The organic high efficiency composition anaerobic digester system that enters, generation biogas；

(7) percolate produced during waste transportation enters beating schedule after simple process, and waterpower is divided Waste water after choosing enters follow-up sewage disposal system；

(8) biogas slurry that high efficiency composition anaerobic digester system produces is together with rinsing plastics, ground, machinery and respectively Plant after hygiene water enters sewage disposal system process and be back to beating schedule.

Having the beneficial effect that of the domestic garbage resource processing method of the present invention:

The domestic garbage resource processing method of the present invention, digests mechanical pretreatment and bio anaerobic and combines Technology of Domestic Waste Comprehensive Treatment, by mechanical pretreatment, house refuse is sufficiently sorted, successively Sub-elect metal；Combustible: plastics, yarn fabric etc.；Inorganic grit material；Can biochemical organic substance. Metal recovery utilizes；Combustible makes fuel gas；Inorganic grit makes construction material；Can be biochemical organic Material uses anaerobic digestion techniques to produce biogas.Realize the sorting of the house refuse degree of depth；Various sorting products are whole Recycle, it is achieved the full dose resource of house refuse；Floor space is less, and investment cost is low；Run dimension Protecting low cost, automaticity is high；Environment is not caused secondary pollution；House refuse daily output day is clear, it is achieved The maximum resource of house refuse.

Accompanying drawing explanation

Fig. 1 is the flow chart of the domestic garbage resource processing method of the present invention.

Detailed description of the invention

As it is shown in figure 1, the domestic garbage resource processing method of the present invention, comprise the steps:

(1) waste transportation pulls in, at the uniform velocity by the electronic vehicle weighing apparatus dynamic weighing of weighbridge office, the completeest One-tenth is weighed, record；Transfer car(buggy) enters unloading station, is discharged in the discharge bin on sorting line by rubbish；Board-like Rubbish by uniform distributor uniform distributing, is then sent on belt conveyor by conveyer by rubbish；

(2) Belt Conveying rubbish first passes around after bag-breaking machine crushes and enters artificial roughing chamber, sorts big part rubbish Rubbish (such as brick, tile fragment, timber etc.), is thrown in the uncovered collection box under roughing chamber, these refuses with after The continuous similar waste sub-elected is handled together；

(3) rubbish sends into two-stage rotary screen water by slat conveyer after roughly selecting after magnetic separation and selecting crude drugs with winnower Choosing, rubbish sieve is divided into three parts by rotary screen: the oversize more than 100mm, the siftage less than 20mm With 20～100mm middle material；

(4) house refuse entrance aperture is the rotary screen of 20mm, and the particle diameter siftage less than 20mm is main It is the inorganic matters such as sand that particle diameter is less, brick and tile, grit, sinks to and discharge bottom wet concentration pond, building materials can be done Utilize；

(5) particle diameter enters second aperture more than the oversize of 20mm and heavy burder after magnetic separation is 100mm's Rotary screen wet concentration, the middle material i.e. particle diameter under wherein sieving at the rubbish of 20mm and 100mm after crushing and beating Enter high efficiency composition anaerobic system；The oversize i.e. particle diameter rubbish more than 100mm is thin with artificial through selecting crude drugs with winnower Plastics, combustible, non-ferrous metal etc. are filtered out after choosing；

(6) combustible such as woodwork, squeeze and the paper products etc. sub-elected through separation system can be made into Boiler combustion sent into by fuel slug, and the slag formed after boiler combustion, for brickmaking, had both decreased residue and processed, Reduce again the fuel consumption of Project in Operation；The heavy plastics that the part such as plastics, rubber can not recycle is made Selling for waste product, another recyclable light plastic of part can carry out plastic granulating；Glass, grit etc. then can do Building materials utilize the building materials such as porous brick the most processed, non-bearing building block, pavior brick；Organic entrance high efficiency composition anaerobism Digestive system, produces biogas；

(7) it is nearly free from percolate during whole recycling treatment；Produce during waste transportation Percolate enters beating schedule after simple process, and the waste water after waterpower sorting enters follow-up sewage disposal system System；

Embodiment described above is only to be described the preferred embodiment of the present invention, not to this Bright scope is defined, under design spirit premise without departing from the present invention, and this area ordinary skill technology people Member's various deformation of making technical solution of the present invention and improvement, all should fall into claims of the present invention true In fixed protection domain.

Claims

1. one way of life process for treating garbage as resource, comprises the steps:

(1) rubbish is automatically performed weigh, record；By uniform distributor uniform distributing, then rubbish is sent on belt conveyor；

(2) Belt Conveying rubbish first pass around bag-breaking machine broken after enter artificial roughing chamber, sort Bulky Waste, these Bulky Wastes with The similar rubbish that follow-up separation goes out is handled together；

(3) rubbish is through magnetic separation and selecting crude drugs with winnower after roughly selecting, and is sorted out by the ferrous metal in rubbish in magnetic separation, by moulding in rubbish in selecting crude drugs with winnower Material is sorted out；

(4) by the rotary screen wet concentration that house refuse entrance aperture is 20mm after described step (3) processes, particle diameter is less than 20mm Rubbish be mainly the less sand of particle diameter, brick and tile, grit, sink to bottom wet concentration pond discharge, do building materials utilize；

(5) magnetic separation will be entered through the house refuse more than 20mm of the particle diameter after described step (3) processes again, enter back into second hole The footpath rotary screen wet concentration more than 100mm, wherein particle diameter enters high efficiency composition anaerobism at the rubbish of 20mm and 100mm after crushing and beating System；The particle diameter rubbish more than 100mm, filters out plastics, combustible, non-ferrous metal after selecting crude drugs with winnower and artificial thin choosing；

(6) combustible sub-elected in described step (2), (3), (4), (5) can be made into fuel slug and sends into boiler combustion, The slag formed after boiler combustion is for brickmaking；In plastics, rubber-like rubbish, the heavy plastics that a part can not recycle is as useless Product are sold, and another recyclable light plastic of part can carry out plastic granulating；Glass, grit class rubbish then do building materials and utilize；

(7) percolate produced during waste transportation enters beating schedule after pretreatment, and the waste water after waterpower sorting enters follow-up dirt Water treatment system；

(8) biogas slurry that high efficiency composition anaerobic digester system produces enters together with flushing plastics, ground, mechanical and various hygiene water Sewage disposal system is back to beating schedule after processing.