CN101856661A - Complete technology for preparing recycled aggregate with building rubbish - Google Patents
Complete technology for preparing recycled aggregate with building rubbish Download PDFInfo
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- CN101856661A CN101856661A CN200910049127A CN200910049127A CN101856661A CN 101856661 A CN101856661 A CN 101856661A CN 200910049127 A CN200910049127 A CN 200910049127A CN 200910049127 A CN200910049127 A CN 200910049127A CN 101856661 A CN101856661 A CN 101856661A
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- building
- recycled aggregate
- building rubbish
- aggregate
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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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- 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
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a complete technology for preparing recycled aggregate with building rubbish. The technological process comprises the following steps: 1) epidemic prevention pretreatment is performed to the building rubbish which just enters the plant while dust pollution is controlled; 2) a homemade multistage sorting device is used to remove the organic substance and metal rubbish in the building rubbish; 3) first-order crushing and second-order crushing are performed to the sorted building rubbish of the step 2); and the crushed building rubbish of the step 3) is sieved and the sieving equipment is designed or selected according to the aggregate product. Dust pollution and noise pollution can be controlled at the same time. The complete technology has good economic benefit; and the secondary pollution in the reuse process can be fully considered, and dust pollution and noise pollution can be reduced to the minimum.
Description
Technical field
The invention belongs to made from construction refuse resource, energy-conserving and environment-protective, the sharp useless field of building materials, relate to the technology that a kind of building waste prepares regeneration aggregate.
Background technology
Building industry is as one of mainstay of the national economy industry, obtained the development of advancing by leaps and bounds in recent years, but the building waste that thereupon produces is also more and more.Because house collapse and dilapidated house are removed, will produce building waste more than 200,000,000 tons in the violent earthquake of Wenchuan, Sichuan.If like this a large amount of building waste can not resource recycling, can take a large amount of soils, but also with environmental pollution.Account for 34% of building waste content by discarded concrete, then only the discarded concrete amount just reaches 7000 tons.So the discarded concrete of flood tide as rationally not disposing, will cause great environmental problem, economic problems even social concern.The china natural resources shortage problem is serious day by day, and it is exhausted that the natural aggregate of high-quality (as river sand, cobble, rubble etc.) has become in some area, and the qualified concrete sand building stones in many areas are in rather short supply, causes the cost of architectural engineering to increase, quality descends.Simultaneously, owing to cut into a mountain for quarrying on a large scale in many places, natural landscape and ecological environment suffer heavy destruction, have seriously deviated from the strategy of sustainable development of China's economy and environment.In these cases, the production of work of building waste circular regeneration and economical materials for wall is combined, build the demonstration house of the different structure that is applicable to the disaster area with the building material made of building waste production, the building waste that the earthquake-stricken area stacks nowhere, can't handle of both having dissolved has solved the numerous victims of the disaster's living problem again; Meet resource, minimizing, harmless treatment principle, can effectively improve resource, efficiency of energy utilization, the economic development of protection ecology and promotion earthquake-stricken area is the important step of rehabilitating one's homeland in the earthquake-stricken area.Therefore, the meaning that the disaster area is rebuild is very great.
Developed country such as the U.S., Japan and Europe and area are carried out early to the recycling utilization research of building waste especially discarded concrete etc., and the regeneration rate of present discarded concrete is all more than 90%.In recent years, domestic experts and scholars have also carried out some basic research in this respect.Because the research degree of depth is not enough, add construction application person's understanding deficiency, particularly do not have the guidance of the demonstration of landmark project and correlation technique standard, rules, China's made from construction refuse resource recycling utilization paces are slow at present, and the comprehensive high-efficiency utilization rate is less than 5% still.
According to primary Calculation, to compare with the processing natural aggregate of cutting into a mountain for quarrying, the processing regenerated aggregate of employing building waste can comprehensively be saved 5%～10% energy consumption.If consider to adopt its good thermal and insulating performance of novel wall material of regeneration aggregate production again, then energy-saving effect will be more remarkable.
In sum, the earthquake-stricken area building waste is handled problems and the construction of popularization earthquake-resistant energy-saving house in order to solve, and realizes the sustainable development of building industry, optimizes complete technology for preparing recycled aggregate with building rubbish, and advances its industrialization process, and is very urgent.
Summary of the invention
The object of the present invention is to provide a kind of complete technology for preparing recycled aggregate with building rubbish, it comprises technology such as made from construction refuse resource epidemic prevention, letter sorting, fragmentation and screening, the secondary pollution when effectively utilizing building waste and preventing regeneration.
For reaching above purpose, solution of the present invention is:
A kind of complete technology for preparing recycled aggregate with building rubbish of the present invention, it may further comprise the steps:
A, to the building waste that just the enters factory preliminary treatment of preventing epidemic, control dust pollution simultaneously.
B, the multistage sorting equipment of employing self-control are rejected organic substance and metal rubbish in the building waste.
C, the building waste that sorts out among the step B is carried out one-level fragmentation and two-stage crushing.
D, the building waste after the fragmentation among the step C is sieved, screening plant is selected according to the aggregate product design.
Wherein, in the steps A, adopt one-level sterilization and two stage disinfection.Pollution epidemic prevention according to different regions, disaster area building waste requires to select the epidemic prevention agent for use, as selects the domestic chlorine-containing disinfectant with high-efficiency broad spectrum function of supplying usefulness at present for use.The one-level sterilization is the source sterilization: adopt sprayer unit, consider to design voluntarily many ejecting devices, by the sprinkling dosage of parameters such as spray rate, flow control epidemic prevention agent; Two stage disinfection is to sterilize at material conveying process.
Among the step B, utilize grab claw the building waste after processing of step A to be carried out the preliminary classification of brick, concrete etc.; Utilization letter sorting platform sorts out the organic metal rubbish in the above-mentioned building waste; Utilize permanent-magnetic iron expeller further to sort the small size metal rubbish of leaving over.
Among the step C, to the two-stage crushing technological parameter, extraction influences the key process parameter of regeneration aggregate quality, and by orthogonal test method, determines the ideal technology parameter.(grey correlation method and orthogonal test method all are existing methods, and the those skilled in the art with certain mathematical knowledge can draw the technological parameter that needs according to demand after the principle of these methods of simple knowledge.)
Among the step D, the product form diversification can be produced concrete regenerate thick, fine aggregate, mortar fine aggregate, concrete product regeneration aggregate simultaneously.
It also carries out dust pollution control, and the dust pollution control measure comprise selects for use bell-type or cyclone dust collection to be installed in charging, fragmentation and classification operation section to eliminate airborne dust, and mass transport adopts the enclosed belt conveyer conveying device with the pollution that controls environment.
It also carries out noise pollution control, adopts sealing sunk type formula factory building to insulate against sound, and the sound absorption of factory building roofing is cotton; Factory building adopts light steel support structure, and color steel is as building enclosure.
Owing to adopted such scheme, the present invention to have following characteristics: rebuild demand, integrated innovation made from construction refuse resource complete set technology according to the disaster area.Take into full account disaster area building waste characteristics, adopted secondary epidemic prevention preconditioning technique, guarantee that material can not work the mischief to personnel in transportation and production process, and the epidemic prevention preconditioning technique of fountain has effectively been controlled dust pollution.Multistage sorting equipment has been rejected the part rubbish that is not suitable for producing regeneration aggregate in the building waste, and the sorting mode that its efficient is more single is higher.In useless process to this energy-conservation profit of regenerated utilization of building waste, taken into full account the secondary pollution problem, living pollution of the powder of hommization and noise pollution control mode have dropped to every pollution index minimum, meet national every pollutant emission control criterion fully.The product form diversification can be produced concrete regenerate thick, fine aggregate, the mortar fine aggregate simultaneously, the concrete product regeneration aggregate, satisfy every demand that the disaster area rebuilds usefulness, the promotion disaster area rebuilds and revitalizes the economy, with made from construction refuse resource product diversification and economic value added maximization.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
Flow process is carried out the one-level sterilization to being about to into the building waste of factory as shown in Figure 1, selects the epidemic prevention agent for use according to the pollution epidemic prevention requirement of different regions, disaster area building waste, as selects the domestic chlorine-containing disinfectant with high-efficiency broad spectrum function of supplying usefulness at present for use.The one-level sterilization is the source sterilization: adopt sprayer unit, consider to design voluntarily many ejecting devices, by the sprinkling dosage of parameters such as spray rate, flow control epidemic prevention agent, control is polluted and the purpose of Antiepidemic sterilizing to reach.The building waste that one-level was disinfected sorts, at first brick, concrete etc. is carried out just dividing with grab claw, utilization letter sorting platform sorts out the organic and metal rubbish in the above-mentioned building waste again, utilizes permanent-magnetic iron expeller further to sort the small size metal rubbish of leaving at last.Be delivered to by loading machine and shake feeding machine in the factory building rejecting building waste behind organic impurities and the metal, block, granular material are given in the crushing mechanism device evenly, regularly, continuously and go, start secondary epidemic prevention treatment system simultaneously, two stage disinfection reaches the purpose of further sterilization for design has ultraviolet disinfection function at the belt conveyor place when material conveying process.Building waste enters jaw crusher by the vibrations feeding machine and carries out the one-level fragmentation, material aggregate after the fragmentation is sent into impact breaker by belt conveyor and is carried out two-stage crushing, can obtain the regeneration aggregate of required particle diameter by the discharging opening size of adjusting the two-stage breaker.Thereby the building waste after twice fragmentation transfers to dissimilar reciprocating sieves through belt and obtains the regeneration aggregate that different product requires.The product form diversification can be produced concrete regenerate thick, fine aggregate, mortar fine aggregate, concrete product regeneration aggregate simultaneously.Various regeneration aggregate products are sent to corresponding feed bin by the reciprocating sieve exit with feed belt and stack.In the above-mentioned technological process, the equipment in the factory building comprises feed, fragmentation, screening and transfer equipment, is specially vibrations feeding machine, jaw crusher, impact breaker, reciprocating sieve, closed conveyer belt.To the dustproof difference that requires, select for use bell-type or cyclone dust collection to be installed in charging, fragmentation and classification operation section according to production line to eliminate airborne dust.The various equipment that land all place sunk type facility floor structure to reduce noise pollution.Factory building adopts light steel support structure, and color steel is as building enclosure; The sound absorption of factory building roofing is cotton.
Made from construction refuse resource production line of the present invention can divide portable and fixed two kinds of patterns.The difference of these two kinds of patterns is: mobile unit is relatively lightly convenient, is convenient to resettlement; Fixed apparatus is suitable for the building waste place of concentrating to be used, the output height, and equipment is huge, should not move.Fixed production scale can reach 2,000,000 tons/year, guarantees to produce more than 5 years; Portable production scale can reach 1,000,000 tons/year, and fixing point campaign is 1 year, and can fast move and move the conversion production site.
The present invention has the following advantages:
1) rebuilds demand, the complete key technology of integrated establishment made from construction refuse resource according to the disaster area;
2) according to the disaster area environmental quality, the made from construction refuse resource process is paid attention to environmental protection and epidemic prevention, prevents secondary pollution;
3) the different requirements of rebuilding according to city and disaster area, small towns, the technical scheme of design different levels and demonstration productivity;
4) be based on promoting the disaster area to rebuild and revitalize the economy, made from construction refuse resource product diversification and economic value added maximization.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (9)
1. complete technology for preparing recycled aggregate with building rubbish, it is characterized in that: it may further comprise the steps:
A, to the building waste that just the enters factory preliminary treatment of preventing epidemic;
B, the multistage sorting equipment of employing are rejected organic substance and metal rubbish in the building waste;
C, the building waste that sorts out among the step B is carried out one-level fragmentation and two-stage crushing;
D, the building waste after the fragmentation among the step C sieved the regeneration aggregate that obtains different thicknesses.
2. complete technology for preparing recycled aggregate with building rubbish according to claim 1 is characterized in that: the material that each step produces is delivered to the next step treating stations by belt conveyor and handles.
3. complete technology for preparing recycled aggregate with building rubbish according to claim 1, it is characterized in that: in the steps A, processing that the employing one-level is sterilized and two stage disinfection is prevented epidemic, the one-level sterilization is the source sterilization: adopt many shower nozzles sprayer unit, by the sprinkling dosage of spray rate, flow parameter control epidemic prevention agent; Two stage disinfection carries out disinfection for ultraviolet sterilization function is set in material conveying process.
4. complete technology for preparing recycled aggregate with building rubbish according to claim 1 is characterized in that: among the step B, multistage letter sorting comprises: by grab claw the brick in the building waste after processing of step A, concrete are carried out preliminary classification; Sort out organic metal rubbish in the above-mentioned building waste by the letter sorting platform; Further sort the small size metal rubbish of leaving over by permanent-magnetic iron expeller.
5. complete technology for preparing recycled aggregate with building rubbish according to claim 1, it is characterized in that: among the step C, to the two-stage crushing technological parameter, by the grey correlation method, extraction influences the key process parameter of regeneration aggregate quality, and, determine the ideal technology parameter by orthogonal test method.
6. complete technology for preparing recycled aggregate with building rubbish according to claim 1 is characterized in that: it is the control dust pollution when handling building waste to prepare regeneration aggregate.
7. complete technology for preparing recycled aggregate with building rubbish according to claim 6, it is characterized in that: it is installed in charging, fragmentation and classification operation section to eliminate airborne dust by bell-type or cyclone dust collection, and mass transport adopts the enclosed belt conveyer conveying device with the pollution that controls environment.
8. complete technology for preparing recycled aggregate with building rubbish according to claim 1 is characterized in that: its control noise pollution when handling building waste to prepare regeneration aggregate.
9. complete technology for preparing recycled aggregate with building rubbish according to claim 8 is characterized in that: it adopts sealing sunk type formula factory building to insulate against sound, and the sound absorption of factory building roofing is cotton; Factory building adopts light steel support structure, and color steel is as building enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910049127A CN101856661A (en) | 2009-04-10 | 2009-04-10 | Complete technology for preparing recycled aggregate with building rubbish |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910049127A CN101856661A (en) | 2009-04-10 | 2009-04-10 | Complete technology for preparing recycled aggregate with building rubbish |
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| Publication Number | Publication Date |
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| CN101856661A true CN101856661A (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910049127A Pending CN101856661A (en) | 2009-04-10 | 2009-04-10 | Complete technology for preparing recycled aggregate with building rubbish |
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| CN (1) | CN101856661A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103848584A (en) * | 2012-12-03 | 2014-06-11 | 洛阳智超机电科技有限公司 | Co-production process for recycling micropowder and fine sands from construction wastes |
| CN106111674A (en) * | 2016-08-03 | 2016-11-16 | 韦振兴 | A kind of processing method of solid refuse |
| CN106495516A (en) * | 2016-10-24 | 2017-03-15 | 厦门天润锦龙建材有限公司 | Regeneration aggregate pre-processing device |
| CN106890842A (en) * | 2017-03-08 | 2017-06-27 | 黄河科技学院 | A kind of method that integrated treatment is carried out to building waste material |
| CN111391115A (en) * | 2020-04-01 | 2020-07-10 | 闫乃峰 | Indoor decoration waste material recycling device |
| CN111574090A (en) * | 2020-05-27 | 2020-08-25 | 广东通兴再生资源科技有限公司 | Reinforced manufacturing equipment for recycled aggregate for building |
| CN113247934A (en) * | 2021-05-20 | 2021-08-13 | 江西福得利碳酸钙业有限责任公司 | Preparation process and equipment of high-purity calcium hydroxide |
-
2009
- 2009-04-10 CN CN200910049127A patent/CN101856661A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103848584A (en) * | 2012-12-03 | 2014-06-11 | 洛阳智超机电科技有限公司 | Co-production process for recycling micropowder and fine sands from construction wastes |
| CN103848584B (en) * | 2012-12-03 | 2015-09-23 | 洛阳智超机电科技有限公司 | A kind of construction refuse resource regenerative micro powder, fine sand process for combination producing method |
| CN106111674A (en) * | 2016-08-03 | 2016-11-16 | 韦振兴 | A kind of processing method of solid refuse |
| CN106495516A (en) * | 2016-10-24 | 2017-03-15 | 厦门天润锦龙建材有限公司 | Regeneration aggregate pre-processing device |
| CN106495516B (en) * | 2016-10-24 | 2018-07-03 | 厦门天润锦龙建材有限公司 | Recycled aggregate pre-processing device |
| CN106890842A (en) * | 2017-03-08 | 2017-06-27 | 黄河科技学院 | A kind of method that integrated treatment is carried out to building waste material |
| CN106890842B (en) * | 2017-03-08 | 2018-10-09 | 黄河科技学院 | A method of integrated treatment is carried out to building waste material |
| CN111391115A (en) * | 2020-04-01 | 2020-07-10 | 闫乃峰 | Indoor decoration waste material recycling device |
| CN111391115B (en) * | 2020-04-01 | 2021-09-17 | 上海筱启新能源科技有限公司 | Indoor decoration waste material recycling device |
| CN111574090A (en) * | 2020-05-27 | 2020-08-25 | 广东通兴再生资源科技有限公司 | Reinforced manufacturing equipment for recycled aggregate for building |
| CN111574090B (en) * | 2020-05-27 | 2021-11-30 | 广东通兴再生资源科技有限公司 | Reinforced manufacturing equipment for recycled aggregate for building |
| CN113247934A (en) * | 2021-05-20 | 2021-08-13 | 江西福得利碳酸钙业有限责任公司 | Preparation process and equipment of high-purity calcium hydroxide |
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Application publication date: 20101013 |