CN1911542A - Method for comprehensively treating construction waste - Google Patents
Method for comprehensively treating construction waste Download PDFInfo
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- CN1911542A CN1911542A CNA2006100475769A CN200610047576A CN1911542A CN 1911542 A CN1911542 A CN 1911542A CN A2006100475769 A CNA2006100475769 A CN A2006100475769A CN 200610047576 A CN200610047576 A CN 200610047576A CN 1911542 A CN1911542 A CN 1911542A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 title abstract description 15
- 239000011449 brick Substances 0.000 claims abstract description 33
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000003814 drug Substances 0.000 claims abstract description 6
- 239000006148 magnetic separator Substances 0.000 claims abstract description 5
- 230000001954 sterilising effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 28
- 238000004659 sterilization and disinfection Methods 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 10
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 5
- 239000004035 construction material Substances 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000004155 Chlorine dioxide Substances 0.000 claims description 4
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 238000007885 magnetic separation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000010893 paper waste Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000010813 municipal solid waste Substances 0.000 abstract description 6
- 238000011068 loading method Methods 0.000 abstract description 2
- 239000004927 clay Substances 0.000 description 9
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- 238000002360 preparation method Methods 0.000 description 2
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
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- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a method for comprehensively treating construction waste, which comprises the following steps: a. sterilizing construction waste to be treated by medicaments; b. b, loading the construction waste obtained in the step a into a hopper, and conveying the construction waste to a sorting platform to sort out sundries; c. sending the sorted construction waste into a jaw crusher through a plate feeder for primary crushing; d. magnetically separating the building garbage after the primary crushing by a magnetic separator, sending the building garbage into a hopper of a back-impact crusher, and performing final crushing by the back-impact crusher; e. and (3) screening the finally crushed construction waste by a screening machine to strip out sandstone aggregates in the concrete, sending the aggregate into a washing machine for washing, sending the aggregate into a coarse aggregate bin, separating out fine powder, and separating out fine aggregates after washing to be used as raw materials of dry powder mortar or premixed mortar or concrete three-hole bricks. The invention comprehensively utilizes the construction waste resources, leads the construction waste management to be orderly, resource utilization and harmless treatment, and achieves the purposes of saving land and reducing secondary pollution.
Description
One, technical field: the present invention relates to a kind of to the building waste processing method, especially a kind of building waste is carried out integrated treatment after, the processing method that it can be utilized once more.
Two, background technology: along with the fast development of urban construction, rebuild in the process of removing and brought a large amount of building wastes, they can be divided into according to the source: old building is removed rubbish, construction site rubbish, decorations rubbish and building materials are produced rubbish, these building wastes are mainly by dregs, the sandstone piece, waste mortar, broken concrete, composition such as waste and old wood and discarded ornament materials, wherein the part building waste can be used as regenerated resources and utilizes again, as: old metal can melt down the steel that are processed into all size again, waste and old wood can be used to make various artificial boards etc., but remove the brickbat that old building brings, waste materials such as concrete block but well do not utilize means at present, such building waste is mainly adopted the processing mode of landfill both at home and abroad, this is easy to cause the secondary pollution and the wasting of resources of ecological environment.
With Shenyang is example, and Shenyang is the heavy industrial base of China, is the center of northeast politics, economy, culture, is a time-honored ancient city.Set up the quickening of international metropolis's process along with Shenyang, drive the development of surrounding cities group and town development, the building wastes such as discarded object that the waste material in housing demolition, construction site, building materials are produced also produce thereupon in a large number, the phenomenon that increasing building waste is arbitrarily banked up, discharged is more and more serious, and the managerial problem of building waste also highlights day by day.According to city's environmental sanitation department statistics, the Shenyang City produces building waste at present per year and surpasses 2,700,000 tons, about 8000 tons of every days.It is reported, at present, the discharging place that incity, Shenyang building waste is unfixing, the discharging principle mainly is according to the supply and demand condition, building waste is discharged into the place that needs the local of backfill or be discharged into the suburb, the building waste of these unprocessed direct dischargings has brought very big harm to urban environment, and greenbelt, river, water channel, vacant lot even the highway of periphery all repeatedly suffer the infringement of building waste.Undressed building waste has directly caused secondary pollution as backfill soil, is later urban afforestation, has also brought hidden danger, and building waste has become the killer of green vegetation.The greenbelt of " golden corridor " both sides all more renews soil from Shenyang, to guarantee that trees survive as can be seen, why government will spend extensive fund to carry out this great " change-blood " engineering, mainly be since these soil by severe contamination, quality aggravates, and chief culprit's building waste that to be exactly nearby buildings, highway frequently construct produces causes, and the unordered discharging of building waste not only causes the pollution that ecological environment is on the rise, and has also wasted a large amount of non-renewable resources.
Three, summary of the invention:
1, goal of the invention: the invention provides a kind of method of building waste being carried out integrated treatment, its objective is that solution does not have the good treatment recoverying and utilizing method to building wastes such as dregs, broken brick and tile, sandstone piece, waste mortar, broken concretes at present, undressed building waste is as backfill soil, cause the pollution that ecological environment is on the rise, also wasted a large amount of aspects such as non-renewable resources existing problems.
2, technical scheme: the present invention is achieved through the following technical solutions:
1, a kind of method that building waste is carried out integrated treatment is characterized in that: it adopts following step to carry out:
A, pending building waste is carried out drug disinfection;
B, the building waste that step a the is obtained hopper of packing into is transported to the letter sorting platform, sorts out foreign material;
Building waste after c, the process letter sorting is sent into jaw crusher through apron feeder, carries out broken separation just;
D, first building waste after broken are sent into the impact breaker hopper after the magnetic separator magnetic separation is with the irony sorting substances, it is broken to carry out end through impact breaker;
E, the building waste after eventually broken by the screening machine screening separate the rubble of 10～30mm in the concrete or cobble coarse aggregate, 10～2mm brickbat, watt, the sandstone fine aggregate; Send into wet washer then respectively, after the wet washer washing, send into rough set feed bin and fine aggregate storehouse; Isolated fine powder material is isolated building sand and earth after washing, they can be used as the raw material of producing construction material once more.
The medicine that sterilization is adopted among the step a is a disinfection agent of chlorine dioxide.
Adopt artificial among the step b or the intelligent sorting machine sorts, the foreign material of letter sorting are waste wood plate, carton and waste paper, useless paint can and materials such as plastic sheet, waste gypsum plate.
After jaw crusher was just broken, the particle diameter of building waste fragment was below 10cm among the step c.
Adopt impact breaker in the steps d, utilize hardness ratio, the building stones that hardness is different, broken brick and tile sandstone material separate fragmentation, supply the screening machine sorting then.
Step e gained fine aggregate send into behind the feed bin with admixture, cement mix with water stir after, make concrete three-hole brick finished product by concrete three-hole brick make-up machine.
Surplus materials among the step e after the washing after thickener concentrates as the raw material of sintered decorative brick; Sand is as the raw material of dry powder and mortar or premixing mortar.
3, advantage and effect: by the enforcement of technical solution of the present invention, can solve well at present building wastes such as dregs, broken brick and tile, sandstone piece, waste mortar, broken concrete are not had the good treatment recoverying and utilizing method, undressed building waste is as backfill soil, cause the pollution that ecological environment is on the rise, also wasted a large amount of aspects such as non-renewable resources existing problems.Processing method of the present invention can fully utilize processing to the building waste resource, and primary raw material, the concrete three-hole brick that the product that obtains after treatment can be used as concrete coarse aggregate, dry powder and mortar or premixing mortar in the building gathers materials and decorate the raw material of clay brick.So not only make building waste management ordering, utilize resource, handle innoxious, also saved a large amount of soils, final is the modernization service, meet the call of carrying out resources conservation, building a conservation-minded society that the Party Central Committee, State Council propose, guaranteed the requirement of sustainable development.The concrete three-hole brick of the fine aggregate preparation that the inventive method obtains is compared with concrete small size hollow building block, has following advantage:
1. block little (appearance and size is identical with the sintered clay porous brick), drying shrinkage is low, has solved the big problem of swell-shrinking deformation that block brings greatly;
2. the concrete three-hole brick is not a through hole, and its top is provided with the thin top of spill, is convenient to lay masonry mortar, and it is full to build mortar joint by laying bricks or stones, effectively raises the shearing strength of body of wall, and masonry quality is reliable;
3. the material property characteristics that kept clay brick have improved the impervious ability of body of wall;
4. applied range can use by the instead of clay brick in bearing wall; Do not change existing design modulus, kept traditional construction method of China and construction method, help applying.
Can replace sandstone to gather materials through after broken, the screening among the preparation method of the present invention, also can make building material product such as walling etc.Compare with other municipal refuse, but the big high characteristics of resource rate of the building waste amount of having.It is broken that the present invention adopts impact breaker to carry out end, can guarantee the antiquated sand building stones that hardness is different in broken back eventually directly separately, and the processing of the step operation of using the lavatory has improved treatment effeciency greatly.
Four, description of drawings: accompanying drawing 1 is process flow figure of the present invention.
Five, the specific embodiment:
The present invention is a kind of method that building waste is carried out integrated treatment, and it adopts following step to carry out:
A, pending building waste is carried out disinfection through chlorine dioxide (also can select for use similar harmless disinfectant to carry out disinfection) disinfectant;
B, the building waste that step a the is obtained hopper of packing into is transported to the letter sorting platform, sorts out waste wood plate, carton and waste paper, useless paint can and foreign material such as plastic sheet, waste gypsum plate;
Building waste after c, the process letter sorting is sent into jaw crusher through apron feeder, carries out broken separation just, and the particle diameter of first broken back building waste fragment can guarantee as required that also the particle diameter of fragment gets final product less than 10cm between 3～5cm;
D, first building waste after broken are sent into the impact breaker hopper after the magnetic separator magnetic separation, it is broken to carry out end through impact breaker, utilize hardness ratio, the building stones that hardness is different, broken brick and tile sandstone material separate fragmentation, guarantee that the distance difference after the not stone of the hardness counterattack now gets final product;
E, the building waste after eventually broken by the screening machine screening separate the rubble of 10～30mm in the concrete or cobble coarse aggregate, 10～2mm brickbat, watt, the sandstone fine aggregate; Send into wet washer then respectively, after the wet washer washing, send into rough set feed bin and fine aggregate storehouse; Isolated fine powder material is isolated building sand and earth after washing, they can be used as the raw material of producing construction material once more.
The fine aggregate that wherein obtains send into behind the feed bin with admixture, cement mix with water stir after, make concrete three-hole brick finished product by concrete three-hole brick make-up machine; Isolated fine powder material is isolated raw material or the building sand of building sand as dry powder and mortar or premixing mortar after washing, the earth that separates in the surplus materials after the washing after thickener concentrates as the raw material of sintered decorative brick; Sand is as the raw material of dry powder and mortar or premixing mortar.
Utilize method method of the present invention can build up building waste integrated treatment factory, reach recycling, reduce secondary pollution, saved the purpose of a large amount of resources again that is used to build building waste 100%.
Below in conjunction with accompanying drawing specific implementation process of the present invention is described in detail as follows:
Embodiment 1:
As shown in Figure 1, processing method of the present invention is as follows, building waste is transported in the factory by dump truck, pour building waste into and stack the field, superhuge block Mechanical Crushing, after medicine disinfection by chlorine dioxide (also can select for use similar harmless disinfectant to carry out disinfection) agent sterilization with the loading machine hopper of packing into, deliver to the letter sorting platform, adopt artificial or intelligent sorting machine, sort out the waste wood plate, carton and waste paper, useless paint can and plastic sheet, materials such as waste gypsum plate (material that sorts out regenerate respectively processing), building waste through letter sorting is sent into jaw crusher by apron feeder, carry out broken separation just, building waste after just broken is selected irony material (sending into iron-smelter is giving birth to) through magnetic separator part, building waste fragment after magnetic separation is sent into the impact breaker hopper, after impact breaker carried out broken separation at end, the sandstone that is separated in the concrete by the screening machine screening gathered materials, send into wet washer, send into the rough set feed bin after washing, the recycled coarse aggregate that obtains can be used as commodity and sells; Isolated fine aggregate is sent into feed bin after washing, can produce concrete three holes with this fine aggregate; Remaining powder sub-argument after washing goes out building sand, and this product can be used as the raw material of dry powder and mortar or premixing mortar; Surplus materials after the washing (earth) after thickener concentrates, use it for anything else in addition (raw material that can be used as sintered decorative brick); Various products are sent into feed bin respectively after reaching standard by designing requirement.Through above-mentioned processing, can make the comprehensive utilization ratio of building waste reach 100%.
Produce the concrete three-hole brick with building waste, the basic mechanical performance analytical test of doing through Dalian University of Technology proves that the compression strength of this concrete three-hole brick masonry is suitable with concrete small block, is higher than sintered clay brick 45%; Shearing strength not only is much higher than concrete small block, but also is higher than sintered clay brick 61%.Make the raw-material scope of application more extensive.This makes technology, the method for using building waste production construction material more feasible.The concrete three-hole brick is the ideal material of instead of clay brick; It is the desirable approach that improves the building waste comprehensive utilization ratio.
Processing method of the present invention can be handled building waste and accomplish good harmless treatment, saves a large amount of soils.China be one populous and lack the country of land resource, 1.3 mu of per capita area of cultivated farmland less thaies.Along with the development of China's modernization, building materials production has consumed a large amount of land resource.Only fire clay brick and just destroy more than 50 ten thousand mu of land resources an every year; It is surprising especially to the destruction in vegetation, river etc. to gather sandstone.For this reason; the experts and scholars of State Council, National Development and Reform Committee and leader of the Ministry of Construction and each side; for national economy develops sustainedly and stably; benefit the descendants; realize recycling of waste resources, repeatedly propose to develop building material, do wall reform well; replace clay brick, protection China's limited land resources and ecological environment.Can produce multiple construction material, 4.5 ten thousand m after utilizing the present invention that building waste is handled
3The regeneration sandstone can be saved the area 22 mu; 60,000 m
3Mortar raw material for building can be saved the area 30 mu; 200,000 m
3The concrete three-hole brick can be saved the area 80 mu.In sum, the annual building waste 30m that handles
3, can save 132 mu in soil.
The dust that produces when in the invention process process building waste being loaded and unloaded, the control emphasis is collected dusty gas as much as possible based on airtight operation, negative pressure operation, is filtered then, reaches the purpose of emission abatement.Handle still to be filtered into main means of prevention for the dust of mixing plant, material outlet one class, utilize collision, the comprehensive purifying effect with first filter layer of holding back reaches high efficiency and gather dust.Adopt the airtight operation of segmentation, negative pressure operation as much as possible, strive building up the factory of cleaning with the raw material of cleaning, the method for cleaning.
Processing to noise: the noise that disintegrating machine, screening machine produce can reach 95～100dB (A), and these equipment all concentrate on building waste and handle the interior fixed position of factory building, are mechanicalness noise and aerodynamic noise.We take the method in the airtight crushing and screening of segmentation workshop, reduce noise magnitude, reach factory's circle noise criteria.
Processing to waste water: can not produce trade effluent in the inventive method production process.The waste water of discharging precipitates through three grades of collecting-tanks, can be recycled after the collection, and the waste water of collecting-tank post precipitation can reach the emission request of " national sewage comprehensive emission standard ", can not constitute the pollution to water environment.
Claims (7)
1, a kind of method that building waste is carried out integrated treatment is characterized in that: it adopts following step to carry out:
A, pending building waste is carried out drug disinfection;
B, the building waste that step a the is obtained hopper of packing into is transported to the letter sorting platform, sorts out foreign material;
Building waste after c, the process letter sorting is sent into jaw crusher through apron feeder, carries out broken separation just;
D, first building waste after broken are sent into the impact breaker hopper after the magnetic separator magnetic separation is with the irony sorting substances, it is broken to carry out end through impact breaker;
E, the building waste after eventually broken by the screening machine screening separate the rubble of 10～30mm in the concrete or cobble coarse aggregate, 10～2mm brickbat, watt, the sandstone fine aggregate; Send into wet washer then respectively, after the wet washer washing, send into rough set feed bin and fine aggregate storehouse; Isolated fine powder material is isolated building sand and earth after washing, they can be used as the raw material of producing construction material once more.
2, a kind of method that building waste is carried out integrated treatment according to claim 1 is characterized in that: the medicine that sterilization is adopted among the step a is a disinfection agent of chlorine dioxide.
3, a kind of method of building waste being carried out integrated treatment according to claim 1, it is characterized in that: adopt artificial among the step b or the intelligent sorting machine sorts, the foreign material of letter sorting are waste wood plate, carton and waste paper, useless paint can and materials such as plastic sheet, waste gypsum plate.
4, a kind of method that building waste is carried out integrated treatment according to claim 1 is characterized in that: after jaw crusher was just broken, the particle diameter of building waste fragment was below 10cm among the step c.
5, a kind of method of building waste being carried out integrated treatment according to claim 1, it is characterized in that: adopt impact breaker in the steps d, utilize hardness ratio, the building stones that hardness is different, broken brick and tile sandstone material separate fragmentation, supply the screening machine sorting then.
6, a kind of method of building waste being carried out integrated treatment according to claim 1, it is characterized in that: step e gained fine aggregate send into behind the feed bin with admixture, cement mix with water stir after, make concrete three-hole brick finished product by concrete three-hole brick make-up machine.
7, a kind of method that building waste is carried out integrated treatment according to claim 1 is characterized in that: the surplus materials among the step e after the washing after thickener concentrates as the raw material of sintered decorative brick; Sand is as the raw material of dry powder and mortar or premixing mortar.
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| CNA2006100475769A CN1911542A (en) | 2006-08-31 | 2006-08-31 | Method for comprehensively treating construction waste |
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| CNA2006100475769A CN1911542A (en) | 2006-08-31 | 2006-08-31 | Method for comprehensively treating construction waste |
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| CN1911542A true CN1911542A (en) | 2007-02-14 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913788A (en) * | 2010-07-07 | 2010-12-15 | 云南省建筑科学研究院 | Method for comprehensively treating construction waste |
| CN101099974B (en) * | 2007-05-22 | 2011-04-06 | 华南理工大学 | Method for treating and regenerating reuse building 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 |
| CN101549351B (en) * | 2009-05-08 | 2012-03-14 | 深圳市绿发鹏程环保科技有限公司 | Building refuse treatment regeneration system |
| CN102942321A (en) * | 2012-11-26 | 2013-02-27 | 山东水泥厂有限公司 | Ore muck separation system |
| CN102962243A (en) * | 2012-12-04 | 2013-03-13 | 洪木水 | Garbage processing method and production line thereof |
| CN103143548A (en) * | 2013-02-26 | 2013-06-12 | 上海建为建筑修缮工程有限公司 | Method for treating and recycling industrial, construction and domestic wastes |
| CN103159422A (en) * | 2013-04-19 | 2013-06-19 | 上海寰保渣业处置有限公司 | Concrete formed by partially replacing natural sand with mechanical sand produced by utilizing construction decoration wastes |
| CN103170406A (en) * | 2013-04-08 | 2013-06-26 | 山东连云山混凝土有限公司 | Separation cycle device for concrete, sand and stone |
| CN104261715A (en) * | 2014-08-27 | 2015-01-07 | 广东新谷科技有限公司 | Construction waste recycling technology |
| CN104550192A (en) * | 2014-12-02 | 2015-04-29 | 广西大学 | Solid waste recovery device |
| CN106045424A (en) * | 2016-05-25 | 2016-10-26 | 象州县科学技术局 | Method for producing prefabricated member of concrete ditch by using 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 |
| CN106493158A (en) * | 2016-12-26 | 2017-03-15 | 滨州盛华建材有限公司 | A kind of building waste recycling system |
| CN106734077A (en) * | 2016-12-15 | 2017-05-31 | 王存伟 | Building waste Environmental-protection comprehensive processing system and its 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 |
| CN107285653A (en) * | 2016-03-31 | 2017-10-24 | 广东新瑞龙生态建材有限公司 | A kind of building castoff regeneration technique |
| CN108855587A (en) * | 2018-04-24 | 2018-11-23 | 浙江双金机械集团股份有限公司 | A kind of building waste method for screening and separating |
| CN110014019A (en) * | 2019-04-09 | 2019-07-16 | 温州鹿城第一建筑工程有限公司 | A kind of device and method of construction waste recycling |
| CN110899301A (en) * | 2019-12-02 | 2020-03-24 | 李薇 | Construction waste classification and recovery method |
| CN111151567A (en) * | 2019-12-31 | 2020-05-15 | 大连原野景观园林工程有限公司 | Method for improving soil aggregate structure by ecologically utilizing garden waste |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099974B (en) * | 2007-05-22 | 2011-04-06 | 华南理工大学 | Method for treating and regenerating reuse building waste |
| CN101549351B (en) * | 2009-05-08 | 2012-03-14 | 深圳市绿发鹏程环保科技有限公司 | Building refuse treatment regeneration system |
| 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 |
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