CN108787148A - Method for comprehensive treatment of construction refuse - Google Patents
Method for comprehensive treatment of construction refuse Download PDFInfo
- Publication number
- CN108787148A CN108787148A CN201810672166.6A CN201810672166A CN108787148A CN 108787148 A CN108787148 A CN 108787148A CN 201810672166 A CN201810672166 A CN 201810672166A CN 108787148 A CN108787148 A CN 108787148A
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- Prior art keywords
- building waste
- comprehensive treatment
- construction refuse
- magnetic separation
- refuse according
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
Abstract
The present invention relates to a kind of method for comprehensive treatment of construction refuse, belong to technical field of waste treatment.By building waste after screening, proceed by processing, in this way in screening can by building waste roach and smaller metal material, wooden class material, plastic materials and the paper-like materials of size screen out, so that more convenient when staff sorts building waste, and it can reduce because roach influences visibility or because of metal material, the smaller probability for being not easy to hurt or stab staff due to realizing of wooden class scantling, by the processing of the method for comprehensive treatment of construction refuse, not only economize the land resource, and it is more environmentally-friendly, reduce environmental pollution.
Description
Technical field
The present invention relates to technical field of waste treatment, more particularly to a kind of method for comprehensive treatment of construction refuse.
Background technology
Building waste is in the solid waste for implementing to generate in newly-built, renovating and enlarging or demolishing process to building
Object.According to the difference of the generating source of building waste, construction building rubbish and demolition building waste can be divided into.Construction building rubbish
As the term suggests being exactly the solid waste generated in newly-built, reconstruction or extention project, and demolishes building waste and be exactly
The building waste generated when building is removed and removed.Building waste, which has our living environment widely to corrode, to be made
With, if no matter long-term attitude is carried out for building waste, for urban environmental hygiene, condition of living, soil
Quality evaluation etc. has baneful influence.
And the building waste overwhelming majority of the such flood tide in China just transports countryside or rural area to without any processing at present,
It is handled by the way of filling using random air storage or directly, not only occupation of land side and certain pollution can be caused to environment,
Influence town and country image.
Invention content
The purpose of the present invention is to provide a kind of method for comprehensive treatment of construction refuse, have and economize the land resource, mitigate ring
The advantages of border is polluted.
The present invention above-mentioned technical purpose technical scheme is that：A kind of building waste integrated treatment
Method includes the following steps：
S1：Building waste is sent to sieving in vibrating screen, screens out part sundries by first screening；
S2：Building waste after first screening is sent into sorter and is sorted by sorting, by larger-size metal material,
Wooden class material, plastic materials and paper-like materials are rejected；
S3：Primary crushing will be crushed in the building waste input crusher after sorting, then export to magnetic separation and fill
It sets；
S4：First magnetic separation, with concentration equipment by after the metal substance magnetic separation removal in building waste, output to classification is vibrated
Sieve；
S5：Regrading sieves to obtain coarse aggregate the building waste after crushing with grading oscillating screen；
S6：It crushes, after being crushed the building waste after regrading with pulverizer, is delivered to concentration equipment；
S7：Secondary magnetic separation, with concentration equipment by after the metal substance magnetic separation removal after crushing, output to classification is vibrated
Sieve；
S8：It sieves, the building waste after crushing is sieved to obtain fine aggregate and mountain flour three times with grading oscillating screen.
Implement above-mentioned technical proposal, building waste is put into vibrating screen in step S1, the vibration of vibrating screen at any time, volume
Smaller lighter sundries will be moved to bottom, in this way by roach in the building waste and smaller metal material of size, wooden
Class material, plastic materials and paper-like materials screen out so that when staff sorts building waste in step S2 more
Add conveniently, and can reduce because roach influences visibility or because of metal material or wooden class scantling is smaller is not easy to cut due to realizing
Hinder or stab the probability of staff, while but also building waste is cleaner, conveniently to building waste progress following process；
In step S3 and S4, broken building waste is passed through into concentration equipment, to remove the gold in broken building waste
Belong to material, is then sieved by step S5, the metal material content in the coarse aggregate obtained in this way is less；Step S6 and S7
In, it will screen out after the building waste after coarse aggregate crushes, be delivered to concentration equipment, the building waste after being crushed with removal
Then interior metal material is sieved by step S8, because screening out the metal material contained in the building waste of coarse aggregate
Material magnetic separation removed once, so the metal material content in obtained fine aggregate and mountain flour is less；Building waste passes through
After above-mentioned steps processing, not only economizes the land resource and environmental pollution can be mitigated.
Further, by vibration screen for mineral in the step S1, the sundries that screens out is roach and the smaller metal material of size
Material, wooden class material, plastic materials and paper-like materials.
Implement above-mentioned technical proposal, can be reduced in this way because roach influences visibility or because of metal material or wooden class material
The smaller probability for being not easy to realize and hurt or stab staff of size, the staff that is more convenient for sort building waste,
It is convenient that following process is carried out to building waste simultaneously but also building waste is cleaner.
Further, the metal material that sorting or magnetic separation remove out in described step S2, S4 and S7, is delivered to metal wrapping machine
Scrap steel block is inside made.
Implement above-mentioned technical proposal, scrap steel block is made in metal material, then transports to steel processing factory and carry out recycling profit
With not only facilitating storage, transport and melt down recycling, and more economize on resources.
Further, the wooden class material sorted out in the step S2, is delivered to close fiber in being made in log splitter
Plate.
Implement above-mentioned technical proposal, wooden class material is sent to log splitter and is crushed so that wood materials become
After sawdust, close fiberboard is utilized again during sawdust is supported, and to replace to wood materials burning disposal, is not only more saved
Resource, and it is more environmentally-friendly.
Further, the plastic materials sorted out in the step S2, are delivered to plastic regenerator and are made plastic reclaimed
Grain.
Implement above-mentioned technical proposal, plastic reclaimed particle is made in plastic materials, to replace the burning to plastics, in this way
It not only more economizes on resources, and more environmentally-friendly.
Further, in the step S6, after pulverizer crushes, the grain size of building waste fragment is 0.125mm-0.3mm.
Implement above-mentioned technical proposal, the grading of the fine aggregate screened in this way is higher, is mixed using made of the fine aggregate
The materials compactness such as solidifying soil are high.
Further, water, cement, miberal powder, flyash and water-reducing agent is added in the coarse aggregate of gained in the step S5 to be made
Coarse aggregate concrete.
Implement above-mentioned technical proposal, concrete is made using coarse aggregate in this way, not only economizes on resources, and because adds mine
Powder, flyash so that should be by coarse aggregate concrete early strength higher, durability is more preferable, and the addition of water-reducing agent reduces making
Cement consumption in Concrete and unit consumption of water not only reduce cost, and increase the workability of concrete.
Further, the ratio of the coarse aggregate in the coarse aggregate concrete, cement, miberal powder, flyash and water-reducing agent is 5：
1：0.37：0.34：0.03.
Implement above-mentioned technical proposal, the coarse aggregate concrete made of the ratio improves the early strength of concrete
And improve the durability of concrete.
Further, by the step S8 gained fine aggregate be added water, cement, flyash, natural river sand, water-reducing agent and
Concrete perforated brick is made in foaming agent.
Implement above-mentioned technical proposal, concrete perforated brick is made using fine aggregate in this way, not only economizes on resources, and reduces
The manufacturing cost of concrete perforated brick, and ensure that the intensity and density of concrete perforated brick.
Further, cement, fine aggregate, flyash, natural river sand, water-reducing agent and the foaming agent in the concrete perforated brick
Ratio be 1：2:1:0.4:0.1:0.2.
Implement above-mentioned technical proposal, the concrete perforated brick made of the ratio reduces the system of concrete perforated brick
This is caused, and ensure that the intensity and density of concrete perforated brick.
In conclusion the present invention having the beneficial effect that in contrast to the prior art：
One, more convenient when staff sorts building waste, and can reduce because roach influences visibility or because of gold
Belong to material or the smaller probability for being not easy to realize and hurt or stab staff of wooden class scantling, while but also building rubbish
Rubbish is cleaner, convenient to carry out following process to building waste；
Two, it not only economizes the land resource and environmental pollution can be mitigated；
Three, metal material, wood materials, plastic material, coarse aggregate and the fine aggregate that building waste generates after treatment
It recycles, has saved resource.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow chart of embodiment.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
As shown in Figure 1, a kind of method for comprehensive treatment of construction refuse, includes the following steps：
S1：Building waste is sent to sieving in vibrating screen, screens out part sundries by first screening；
S2：Building waste after first screening is sent into sorter and is sorted by sorting, by larger-size metal material,
Wooden class material, plastic materials and paper-like materials are rejected；
S3：Primary crushing will be crushed in the building waste input crusher after sorting, then export to magnetic separation and fill
It sets；
S4：First magnetic separation, with concentration equipment by after the metal substance magnetic separation removal in building waste, output to classification is vibrated
Sieve；
S5：Regrading sieves to obtain coarse aggregate the building waste after crushing with grading oscillating screen；
S6：It crushes, after being crushed the building waste after regrading with pulverizer, is delivered to concentration equipment；
S7：Secondary magnetic separation, with concentration equipment by after the metal substance magnetic separation removal after crushing, output to classification is vibrated
Sieve；
S8：It sieves, the building waste after crushing is sieved to obtain fine aggregate and mountain flour three times with grading oscillating screen.
Pass through vibration screen for mineral in step S1 so that the lighter sundries of small volume is moved to bottom, then screens out；Its
In, the sundries that screens out is roach and smaller metal material, wooden class material, plastic materials and the paper-like materials of size, to subtract
It is few because roach influences visibility or metal material or wooden class scantling is smaller is not easy to hurt or stab staff due to realizing
Probability, the staff that is more convenient for sorts building waste, so simultaneously so that building waste is cleaner, to facilitate pair
Building waste carries out following process.
Will sorting or the metal material that removes out of magnetic separation in step S2, S4 and S7, be delivered in metal wrapping machine be made it is useless
Bloom, then transports to steel processing factory and is recycled, and not only facilitates storage, transports and melt down recycling, and more supernumerary segment
About resource.
The wooden class material sorted out in step S2 is sent to log splitter and is crushed so that wood materials become wood
After bits, close fiberboard is utilized again during sawdust is supported, to replace to wood materials burning disposal；The plastics that will be sorted out
Class material is delivered to plastic regenerator and plastic reclaimed particle is made, to replace the burning to plastics；Money is not only more saved in this way
Source, and it is more environmentally-friendly, reduce the pollution to air.
In step S3 and S4, broken building waste is passed through into concentration equipment, to remove in broken building waste
Metal material, then sieved by step S5, the metal material content in the coarse aggregate obtained in this way is less；Step S6
In S7, it will screen out after the building waste after coarse aggregate crushes, be delivered to concentration equipment, the building after being crushed with removal
Then metal material in rubbish is sieved by step S8, because screening out the gold contained in the building waste of coarse aggregate
Belong to material magnetic separation to remove once, so the metal material content in obtained fine aggregate and mountain flour is less；Building waste
After above-mentioned steps are handled, not only economizes the land resource and environmental pollution can be mitigated.
Water, cement, miberal powder, flyash and water-reducing agent is added in the coarse aggregate of gained in step S5, according to coarse aggregate, water
Mud, miberal powder, flyash and water-reducing agent ratio are 5：1：0.37：0.34：0.03 is made coarse aggregate concrete；Not only economize on resources,
And because the coarse aggregate concrete adds miberal powder, flyash, so that should be resistance to by coarse aggregate concrete early strength higher
Long property is more preferable；And the addition of water-reducing agent reduces the cement consumption and unit consumption of water made in Concrete, not only reduces
Cost, and increase the workability of concrete.
After pulverizer crushes, the grain size of building waste fragment is 0.125mm-0.3mm, the grading of such fine aggregate compared with
Height is high using the materials such as concrete compactness made of the fine aggregate；Water, cement, flyash, natural river is added in fine aggregate
Sand, water-reducing agent and foaming agent are with cement, fine aggregate, flyash, natural river sand, water-reducing agent and foaming agent ratio for 1：2:1:0.4:
0.1:0.2 is made concrete perforated brick；It not only economizes on resources, and reduces the manufacturing cost of concrete perforated brick, and ensure that
The intensity and density of concrete perforated brick.
The above is only the exemplary embodiment of the present invention, protection domain and is not intended to limit the present invention, this hair
Bright protection domain is determined by the attached claims.
Claims (10)
1. a kind of method for comprehensive treatment of construction refuse, which is characterized in that include the following steps：
S1：Building waste is sent to sieving in vibrating screen, screens out part sundries by first screening；
S2：Building waste after first screening is sent into sorter and is sorted by sorting, by larger-size metal material,
Wooden class material, plastic materials and paper-like materials are rejected；
S3：Primary crushing will be crushed in the building waste input crusher after sorting, then export to magnetic separation and fill
It sets；
S4：First magnetic separation, with concentration equipment by after the metal substance magnetic separation removal in building waste, output to classification is vibrated
Sieve；
S5：Regrading sieves to obtain coarse aggregate the building waste after crushing with grading oscillating screen；
S6：It crushes, after being crushed the building waste after regrading with pulverizer, is delivered to concentration equipment；
S7：Secondary magnetic separation, with concentration equipment by after the metal substance magnetic separation removal after crushing, output to classification is vibrated
Sieve；
S8：It sieves, the building waste after crushing is sieved to obtain fine aggregate and mountain flour three times with grading oscillating screen.
2. method for comprehensive treatment of construction refuse according to claim 1, it is characterised in that：By mining in the step S1
Vibrating screen, the sundries screened out are roach and smaller metal material, wooden class material, plastic materials and the paper-like materials of size.
3. method for comprehensive treatment of construction refuse according to claim 1, it is characterised in that：In described step S2, S4 and S7
The metal material that sorting or magnetic separation remove out, is delivered in metal wrapping machine and scrap steel block is made.
4. method for comprehensive treatment of construction refuse according to claim 1, it is characterised in that：It is sorted out in the step S2
Wooden class material is delivered to close fiberboard in being made in log splitter.
5. method for comprehensive treatment of construction refuse according to claim 1, it is characterised in that：It is sorted out in the step S2
Plastic materials are delivered to plastic regenerator and plastic reclaimed particle are made.
6. method for comprehensive treatment of construction refuse according to claim 1, it is characterised in that：In the step S6, through crushing
After machine crushes, the grain size of construction material fragment is 0.125mm-0.3mm.
7. method for comprehensive treatment of construction refuse according to claim 1, it is characterised in that：By gained in the step S5
Coarse aggregate is added water, cement, miberal powder, flyash and water-reducing agent and coarse aggregate concrete is made.
8. method for comprehensive treatment of construction refuse according to claim 7, it is characterised in that：In the coarse aggregate concrete
Coarse aggregate, cement, miberal powder, flyash and water-reducing agent ratio be 5：1：0.37：0.34：0.03.
9. method for comprehensive treatment of construction refuse according to claim 1, it is characterised in that：By gained in the step S8
Fine aggregate is added water, cement, flyash, natural river sand, water-reducing agent and foaming agent and concrete perforated brick is made.
10. method for comprehensive treatment of construction refuse according to claim 9, it is characterised in that：In the concrete perforated brick
Cement, fine aggregate, flyash, natural river sand, water-reducing agent and foaming agent ratio be 1：2:1:0.4:0.1:0.2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810672166.6A CN108787148A (en) | 2018-06-26 | 2018-06-26 | Method for comprehensive treatment of construction refuse |
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| CN201810672166.6A CN108787148A (en) | 2018-06-26 | 2018-06-26 | Method for comprehensive treatment of construction refuse |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985711A (en) * | 2019-03-22 | 2019-07-09 | 中幽环保科技河北有限公司 | A kind of mobile modularized building solid waste original position recycling treatment |
| CN110394225A (en) * | 2019-07-19 | 2019-11-01 | 源创环境科技有限公司 | A kind of mixed separation joint disposal technique of building refuse brick |
| CN111744628A (en) * | 2019-03-29 | 2020-10-09 | 温州桂森环境科技有限公司 | Building garbage pretreatment process |
| CN115414999A (en) * | 2022-08-31 | 2022-12-02 | 中国十七冶集团有限公司 | Construction device and construction method for recycling concrete waste on construction site |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109985711A (en) * | 2019-03-22 | 2019-07-09 | 中幽环保科技河北有限公司 | A kind of mobile modularized building solid waste original position recycling treatment |
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| CN111744628A (en) * | 2019-03-29 | 2020-10-09 | 温州桂森环境科技有限公司 | Building garbage pretreatment process |
| CN110394225A (en) * | 2019-07-19 | 2019-11-01 | 源创环境科技有限公司 | A kind of mixed separation joint disposal technique of building refuse brick |
| CN110394225B (en) * | 2019-07-19 | 2021-01-29 | 源创环境科技有限公司 | Brick-concrete separation comprehensive disposal process for construction waste |
| CN115414999A (en) * | 2022-08-31 | 2022-12-02 | 中国十七冶集团有限公司 | Construction device and construction method for recycling concrete waste on construction site |
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