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CN1990129A - A method for comprehensive treatment of construction refuse - Google Patents

A method for comprehensive treatment of construction refuse Download PDF

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Publication number
CN1990129A
CN1990129A CNA2005101208987A CN200510120898A CN1990129A CN 1990129 A CN1990129 A CN 1990129A CN A2005101208987 A CNA2005101208987 A CN A2005101208987A CN 200510120898 A CN200510120898 A CN 200510120898A CN 1990129 A CN1990129 A CN 1990129A
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CN
China
Prior art keywords
comprehensive treatment
construction refuse
lime
gypsum
cement
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Pending
Application number
CNA2005101208987A
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Chinese (zh)
Inventor
罗以杰
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Individual
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Individual
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Publication date
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Priority to CNA2005101208987A priority Critical patent/CN1990129A/en
Publication of CN1990129A publication Critical patent/CN1990129A/en
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    • 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
    • Y02W30/20Waste processing or separation
    • 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
    • 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
    • Y02W30/78Recycling of wood or furniture waste

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  • Processing Of Solid Wastes (AREA)

Abstract

An integrated approach to construction waste, first the construction waste including demolished the buildings, housing renovation and improvement of road will be sent to the garbage handling sites by the car, and then the construction waste that could be directly in the use of renewable materials, such as metal, wood and plastic materials use artificial methods for separating classified, then supplying company directly for the corresponding treatment. The bulk of concrete waste, scrap brick, marble and other materials, using the large broken hammer or crusher broken to the size that mill can crush, typically less than 100 mm, and then using stone crusher breaking these stones and sand until the construction standard, then grading said mixture into big stones, small stones, coarse sand and fine sand, argillo-arenaceous ground and other breeder material using multi-layered grading sieve. The production water uses activated carbon hyperfiltration cleaning domestic sewage which can be used cyclically, it can save water and can prevent the reemission of sewage water polluting environment.

Description

Method for comprehensive treatment of construction refuse
Technical field
The present invention relates to a kind of environmentally friendlyization processing of building waste and the method for recycling treatment, particularly to the resource of materials such as waste concrete, useless brick, marble, pottery, glass, plastering, the surplus mud of dregs and innoxious integrated conduct method in the building waste.
Background technology
In the process of city and samll cities and towns' high speed development construction, become the difficult problem that urban construction person and city manager face jointly as the processing of the accessory products building waste of city and town development, the construction requirements that faces the rare day by day land resource in city and build the garden type city, each new programming and distribution of urban construction all can relate to demolition of buildings, house decoration and transformation road and bring a large amount of urban architecture rubbish.The processing method of current common employing generally is divided into two kinds, a kind of is with regard to the small city, specify according to physical construction planning department exactly and clear up soon construction land and carry out the low-lying place of landfill, this method had both solved the ground backfill problem of new construction land, solved the handling problem of building waste again, this method is not is a kind of good method.Another kind method is exactly that the surplus body refuse soil landfill yard that building waste is transported to appointment is carried out sanitary landfills, is generally idly.No matter any method in above-mentioned two kinds of methods is not a long-term plan, and along with urban development, this simple landfill method is to satisfy the urban construction requirement, and in addition, this burying method also needs the input of a large amount of soils and manpower and material resources.Also need to drop into the generation that a large amount of man power and materials afforested and prevented and treated disasters such as mud-rock flow and landslide behind the landfill.As carrying out the pile foundation engineering and the slope protection works of consolidation process, afforestation project needed several years even the longer time could form the vegetation covering.Therefore, the minimizing handled of building waste, resource, innoxious and recycling is imperative.
Summary of the invention
The technical problem that the present invention solves provides a kind of to sandstone in the building waste and concrete, the environmentally friendlyization processing of useless brick and the method for comprehensive treatment of construction refuse of recycling treatment.
The technical scheme that the present invention addresses the above problem employing is: a kind of method for comprehensive treatment of construction refuse, utilize the building waste of main component for producing in demolition of buildings, house decoration and the transformation road, and it comprises following treatment step:
(1) preliminary treatment is rejected metal material, wooden class material and plastic materials from building waste with artificial method;
(2) fragmentation, to advance materials such as the pretreated bulk waste concrete of the first step, useless brick, marble, pottery, glass, plastering, the surplus mud of dregs and be broken into the size that is suitable for pulverizer maximum feed size, and further reject metal and the impurity such as timber and plastics that are mixed in wherein;
(3) pulverize, will further be ground into the required regeneration sandstone of building through the building waste after second step handled with granule size with the building stones pulverizer;
(4) classification, the regeneration sandstone with after the pulverizing of the 3rd step sieves with multi-layer classification: regeneration stone, reclaimed sand and regeneration silt particle.
Above-mentioned pulverizing and classification step can adopt wet method or dry method operation.
Described reclaimed sand is added cement, lime and gypsum make Dinas brickes.
The weight of the reclaimed sand in the above-mentioned Dinas brickes, cement, lime and gypsum 8: 1: 0.5: 0.5.
Above-mentioned reclaimed sand is added cement, lime, gypsum and blowing agent make foaming light brick.
The weight ratio of the reclaimed sand in the foaming light brick, cement, lime, gypsum and blowing agent is: 4.9: 3: 1: 1: 0.1.
Above-mentioned regeneration silt particle adds cement, lime, gypsum and aluminium powder, makes the aerated light brick after steaming pressure.
The weight ratio of silt particle, cement, lime, gypsum and aluminium powder is in the above-mentioned aerated light brick: 4.9: 3: 1: 1: 0.1.
The present invention is worth and is its social value and economic worth two aspects.Social value shows that mainly the present invention is a green technology of benefiting the nation and the people, and has started the new way of building waste treatment technology.Not only environment can be protected, also a large amount of land resource and building resource can be saved.The developing direction that meets current environmental protection industry policy and economizing on resources of advocating and recycling economy more.
The present invention is as carrying out integrated treatment and production and processing with mechanization, its comprehensive treatment capability is if every annual 1000000 tons-3,000,000 tons of building waste of handling of mechanization streamline, can utilize more than culled wood 1 ten thousand stere, can utilize waste sand and gravel, concrete, useless brick composition in the building waste to make sand lime brick 200 ten thousand steres, more than light wall brick 300 ten thousand steres.Can reduce 50 hectares of deforestations every year, save 500,000 square metres in landfill place, the Dinas brickes of production and light wall brick amount to the alternative solid clay brick of 500 ten thousand steres and are equivalent to save arable land 2000--3000 mu.Building waste integrated treatment processing processing links does not have the exhaust emission environment of waste water (processing recycles with water sedimentation), waste gas, refuse, adopting wet method machining is to carry out under moistening condition, no flying dust and sharp-pointed noise produce, and make the integrated treatment self of building waste meet the environmental requirement of modern industry.The integrated treatment water of building waste can adopt the sanitary wastewater of discharging, so not only can using water wisely, can also doublely control the sewage of life discharging simultaneously.
The specific embodiment
A kind of method for comprehensive treatment of construction refuse.At first the building waste that produces in demolition of buildings, house decoration and the transformation road is transported to car and handled the place, use artificial way with the directly material of regeneration in the building waste then, as metal material, wooden class material and plastic materials sorting and grouping, directly supply with corresponding company and handle.
To materials such as the bulk waste concrete in the building waste, useless brick, marble, pottery, glass, plastering, the surplus mud of dregs, the size of utilizing large-scale broken hammer or crusher in crushing can pulverize to pulverizer, be generally less than 100 millimeters, be crushed to building required stone, sand with the building stones pulverizer then, again said mixture is used rubble (25-50 millimeter), microlith (below 25 millimeters), coarse sand, fine sand of multi-layer classification sieve classification Cheng Hefu building standard, and silt particle.Above-mentioned fragmentation, pulverizing and classification several links can adopt the wet method operation domestic water can be reached the water of discharge standard after active carbon counter-infiltration purified treatment with dry method and wet method operation, are used as the wet method operation water in the above-mentioned steps.The detailed process of wet method operation is: at first will be ground into repeatedly with materials such as water-moistened gravel-concrete and brick slag, marble, pottery, glass, plastering, the surplus mud of dregs with the bigger mine size reduction machinery of charging aperture and add an amount of water again behind the silt particle slurry and be sent in the sand washer, coarse sand and fine sand that washed-out sand machinery can utilize the principle of wet concentration classification to sub-elect in the silt particle slurry and not contain ashes can directly directly use as the building sandstone and the sandstone of building the road; Not containing the coarse sand of ashes and fine sand with these is the raw material cement brick that can make high-quality level, Dinas brickes, pavement bricks, curb stone, revetment brick etc.Remaining cement mortar, silt particle slurry after selecting sand precipitated and isolated unnecessary waste water and can be used as the production cycle water in sedimentation basin, can using water wisely can stop the discharge of wastewater contaminated environment again.
The sandstone of above-mentioned regeneration has following several purposes:
1, regeneration stone, coarse sand and fine sand can directly use as the building sandstone and the sandstone of building the road.
2, regeneration silt particle adds weight ratio and is 10% cement, lime 5% and 5% gypsum and suitable quantity of water and stirs into to be transported to behind the mortar with the mortar mixer tool and be pressed into Dinas brickes in the hydraulic brick making machine, and it can be used for pavement bricks, curb stone, revetment brick etc.
3, the regeneration silt particle also can add gypsum that weight ratio is 30% cement and 10% lime and 10% and suitable quantity of water and stir into the mortar mixer tool and add that being transported to after foams mix that 1% foaming agent stirs out by foaming machine stirs rests in the mould behind the mortar again and sloughed off behind the mixture formation early strength in 12 hours mould and can specification as required carry out cutting forming with cutting machine and be the foamed light wall, the intensity that can reach the 10-15 kg/cm to foaming light brick on the 7th in the indoor preservation of ventilating and maintenance, the intensity of 13-18 kg/cm on the 28th, density are 700-800 kilogram/cubic meter.The intensity of foaming light brick and density can be regulated and change and be met the different needs according to the ratio that adds material.
4, the regeneration silt particle also can be used for making aerated light brick for building.It is cement 30%, lime 10%, gypsum 10% and aluminium powder 1% that the regeneration silt particle adds weight ratio, and suitable quantity of water is worn into that being transported to behind the silt particle slurry rests in the mould and was sloughed off mould behind the mixture formation early strength in 12 hours and can specification as required carry out cutting forming with cutting machine with ball mill, then in still kettle under the high temperature and high pressure condition steam and aluminium powder more fully react into a large amount of aluminium dioxides and hydrogen is strengthened the brick strength and the brick volume density that diminishes, be aerated light brick finished product after 8 hours.The intensity of aerated light brick and density can meet the different needs according to the ratio adjusting and the steaming pressure time that add material.

Claims (8)

1, a kind of method for comprehensive treatment of construction refuse is characterized in that: utilize the building waste of main component for producing in building, house decoration and the transformation road, it comprises following treatment step:
(1) preliminary treatment is rejected metal material, wooden class material and plastic materials from building waste with artificial method;
(2) fragmentation will be broken into the size that is suitable for pulverizer maximum feed size through the pretreated bulk waste concrete of the first step, useless brick, and further reject impurity such as the metal that is mixed in wherein and timber;
(3) pulverize, will further be ground into the required regeneration sandstone of building through the building waste after second step handled with granule size with the building stones pulverizer;
(4) classification, the regeneration sandstone with after the pulverizing of the 3rd step becomes with the multi-layer classification sieve classification: regeneration stone, reclaimed sand and regeneration silt particle.
2, method for comprehensive treatment of construction refuse according to claim 1 is characterized in that: described pulverizing and classification step are dry method operation or wet method operation.
3, method for comprehensive treatment of construction refuse according to claim 1 is characterized in that: described reclaimed sand is added cement, lime and gypsum make Dinas brickes.
4, method for comprehensive treatment of construction refuse according to claim 3 is characterized in that: the weight ratio of the reclaimed sand in the described Dinas brickes, cement, lime and gypsum is: 8: 1: 0.5: 0.5.
5, method for comprehensive treatment of construction refuse according to claim 1 is characterized in that: described reclaimed sand is added cement, lime, gypsum and blowing agent make foaming light brick.
6, method for comprehensive treatment of construction refuse according to claim 5 is characterized in that: the weight ratio of the reclaimed sand in the foaming light brick, cement, lime, gypsum and blowing agent is: 4.9: 3: 1: 1: 0.1.
7, method for comprehensive treatment of construction refuse according to claim 1 is characterized in that: described regeneration silt particle adds cement, lime, gypsum and aluminium powder, makes the aerated light brick after steaming pressure.
8, method for comprehensive treatment of construction refuse according to claim 7 is characterized in that: the weight ratio of silt particle, cement, lime, gypsum and aluminium powder is in the described aerated light brick: 4.9: 3: 1: 1: 0.1.
CNA2005101208987A 2005-12-28 2005-12-28 A method for comprehensive treatment of construction refuse Pending CN1990129A (en)

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Application Number Priority Date Filing Date Title
CNA2005101208987A CN1990129A (en) 2005-12-28 2005-12-28 A method for comprehensive treatment of construction refuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2005101208987A CN1990129A (en) 2005-12-28 2005-12-28 A method for comprehensive treatment of construction refuse

Publications (1)

Publication Number Publication Date
CN1990129A true CN1990129A (en) 2007-07-04

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101229548B (en) * 2008-02-28 2010-09-29 徐惠峰 A Comprehensive Utilization Method of Urban Building Ruins
CN101913788A (en) * 2010-07-07 2010-12-15 云南省建筑科学研究院 Method for comprehensively treating construction waste
CN101974900A (en) * 2010-11-08 2011-02-16 王彦 Method for transforming waste land for refuse landfill into land for construction
CN102009059A (en) * 2010-10-15 2011-04-13 潍坊大于环保建材有限公司 Construction waste comprehensive treatment method
CN101708907B (en) * 2009-11-28 2011-11-23 湖州鹿山坞矿业有限公司 Silt and sewage treatment method
CN102614968A (en) * 2012-04-23 2012-08-01 刘志明 Method for treating harmful particulates in building rubbish limestone powder by dry method
CN102815964A (en) * 2012-09-17 2012-12-12 陕西建工集团总公司 Construction waste recycling and reusing process
CN102951882A (en) * 2011-08-17 2013-03-06 中冶天工上海十三冶建设有限公司 Composite lightweight thermal insulating concrete composition
CN102962241A (en) * 2012-11-28 2013-03-13 大连东泰产业废弃物处理有限公司 Building rubbish treating method
CN103145382A (en) * 2013-03-06 2013-06-12 北京新奥混凝土集团有限公司 Dry-mixed mortar for preparing reclaimed sand and preparation method of dry-mixed mortar
CN103172326A (en) * 2013-03-21 2013-06-26 广西大学 Method for preparing MU5 regenerated solid brick by building waste
CN103553467A (en) * 2013-10-31 2014-02-05 漳浦县万安鑫荣加气砖有限公司 Aerated brick produced by use of waste limestone powder
CN104511472A (en) * 2013-10-08 2015-04-15 中国建筑第四工程局有限公司 On-site recycle method of construction waste
CN106111665A (en) * 2016-06-28 2016-11-16 杭州市环境集团有限公司 A kind of building waste processing method
CN107020290A (en) * 2016-02-01 2017-08-08 北京神州蓝天环保科技有限公司 A kind of site construction building waste treatment in situ system
CN107098633A (en) * 2016-02-22 2017-08-29 Ik株式会社 The method that cement bonding agent is prepared using discarded concrete
CN110404632A (en) * 2019-07-08 2019-11-05 张沁玥 A kind of construction waste regeneration method and its application
CN110899301A (en) * 2019-12-02 2020-03-24 李薇 A kind of construction waste classification and recycling method
CN112108484A (en) * 2020-08-05 2020-12-22 上海扬升生态农业有限公司 Environment-friendly garbage treatment method for smart city
CN115351047A (en) * 2022-09-13 2022-11-18 中国建筑第五工程局有限公司 Construction waste treatment method and device

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101229548B (en) * 2008-02-28 2010-09-29 徐惠峰 A Comprehensive Utilization Method of Urban Building Ruins
CN101708907B (en) * 2009-11-28 2011-11-23 湖州鹿山坞矿业有限公司 Silt and sewage treatment method
CN101913788A (en) * 2010-07-07 2010-12-15 云南省建筑科学研究院 Method for comprehensively treating construction waste
CN102009059A (en) * 2010-10-15 2011-04-13 潍坊大于环保建材有限公司 Construction waste comprehensive treatment method
CN101974900A (en) * 2010-11-08 2011-02-16 王彦 Method for transforming waste land for refuse landfill into land for construction
CN102951882B (en) * 2011-08-17 2016-08-10 中冶天工上海十三冶建设有限公司 A kind of composite light thermal insulation concrete compositions
CN102951882A (en) * 2011-08-17 2013-03-06 中冶天工上海十三冶建设有限公司 Composite lightweight thermal insulating concrete composition
CN102614968B (en) * 2012-04-23 2013-10-02 刘志明 Method for treating harmful particulates in building rubbish limestone powder by dry method
CN102614968A (en) * 2012-04-23 2012-08-01 刘志明 Method for treating harmful particulates in building rubbish limestone powder by dry method
CN102815964A (en) * 2012-09-17 2012-12-12 陕西建工集团总公司 Construction waste recycling and reusing process
CN102962241A (en) * 2012-11-28 2013-03-13 大连东泰产业废弃物处理有限公司 Building rubbish treating method
CN103145382A (en) * 2013-03-06 2013-06-12 北京新奥混凝土集团有限公司 Dry-mixed mortar for preparing reclaimed sand and preparation method of dry-mixed mortar
CN103145382B (en) * 2013-03-06 2014-07-02 新奥生态建材有限公司 Dry-mixed mortar for preparing reclaimed sand and preparation method of dry-mixed mortar
CN103172326A (en) * 2013-03-21 2013-06-26 广西大学 Method for preparing MU5 regenerated solid brick by building waste
CN104511472A (en) * 2013-10-08 2015-04-15 中国建筑第四工程局有限公司 On-site recycle method of construction waste
CN103553467A (en) * 2013-10-31 2014-02-05 漳浦县万安鑫荣加气砖有限公司 Aerated brick produced by use of waste limestone powder
CN107020290A (en) * 2016-02-01 2017-08-08 北京神州蓝天环保科技有限公司 A kind of site construction building waste treatment in situ system
CN107098633A (en) * 2016-02-22 2017-08-29 Ik株式会社 The method that cement bonding agent is prepared using discarded concrete
CN106111665A (en) * 2016-06-28 2016-11-16 杭州市环境集团有限公司 A kind of building waste processing method
CN110404632A (en) * 2019-07-08 2019-11-05 张沁玥 A kind of construction waste regeneration method and its application
CN110899301A (en) * 2019-12-02 2020-03-24 李薇 A kind of construction waste classification and recycling method
CN110899301B (en) * 2019-12-02 2021-01-08 烟台腾泰环保建材有限公司 Construction waste classification and recovery method
CN112108484A (en) * 2020-08-05 2020-12-22 上海扬升生态农业有限公司 Environment-friendly garbage treatment method for smart city
CN115351047A (en) * 2022-09-13 2022-11-18 中国建筑第五工程局有限公司 Construction waste treatment method and device

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