CN110976078A - Resourceful treatment process for decoration waste - Google Patents
Resourceful treatment process for decoration waste Download PDFInfo
- Publication number
- CN110976078A CN110976078A CN201911217525.XA CN201911217525A CN110976078A CN 110976078 A CN110976078 A CN 110976078A CN 201911217525 A CN201911217525 A CN 201911217525A CN 110976078 A CN110976078 A CN 110976078A
- Authority
- CN
- China
- Prior art keywords
- particle size
- decoration
- recycled
- recycled aggregate
- decoration waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
- B03B9/065—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial the refuse being building rubble
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
A resourceful treatment process of decoration waste comprises the following steps: firstly, separating miscellaneous soil, iron-containing substances and light substances in decoration wastes; then, crushing the recycled aggregate into recycled aggregate; then, separating iron-containing materials and lightweight materials in the recycled aggregate; and finally, screening the processed recycled aggregate into recycled aggregates with different particle size ranges. The decoration waste treated by the recycling treatment process provided by the invention can be directly divided into soil impurities, metal, light materials and recycled aggregate, the obtained soil impurities can be recycled by using a special residual sludge and residue soil recycling process, the obtained metal materials can be directly recycled, the obtained light materials can be sent to a garbage incineration plant for incineration power generation treatment, the obtained recycled aggregate has low impurity content and high quality, can be directly used as a raw material of recycled products such as concrete, mortar or recycled bricks, and the whole recycling utilization rate reaches more than 90%.
Description
Technical Field
The invention relates to the technical field of construction waste, in particular to a resourceful treatment process of decoration waste.
Background
At present, decoration wastes in China are not strictly classified and collected, and the components of the waste except concrete and bricks often contain impurities such as metal, glass, ceramic tiles, ceramics, marble, artificial stone, paper, plastics, packaging bags, wood or plywood and the like.
The method has the advantages that no laws and policies for supporting source sorting of decoration wastes exist in China, the rear-end separation technology of the decoration wastes is not mature, only simple processes such as crushing, screening, magnetic separation, winnowing and the like are adopted, sorting and resource treatment of the decoration wastes are incomplete, the impurity content of a treated product is high, the impurity content of an obtained recycled aggregate is high, the purity is low, the quality is not high, the added value of a produced recycled product is low, and the resource utilization rate of the decoration wastes is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a resource treatment process of decoration wastes, which can efficiently classify and recycle complex components in the decoration wastes, the overall resource utilization rate reaches over 90 percent, and the obtained recycled aggregate has low impurity content and high quality.
The invention is realized in this way, a process for recycling decoration waste, which is characterized by comprising the following steps:
s1, separating the miscellaneous soil in the decoration waste, and stacking in a classified manner;
s2, separating iron-containing substances in the decoration waste from which the miscellaneous soil is removed in the step S1, and stacking the iron-containing substances in a classified manner;
s3, separating light matters in the decoration waste with the iron-containing matters removed in the step S2, and stacking the light matters in a classified manner;
s4, crushing the decoration waste with the light substances removed in the step S3 into recycled aggregate;
s5, separating the iron-containing materials in the recycled aggregate in the step S4, and stacking the separated materials in a classified manner;
s6, separating the lightweight matters in the recycled aggregate from which the iron-containing matters are removed in the step S5, and stacking the lightweight matters in a classified manner;
and S7, screening the recycled aggregate with the lightweight matters removed in the step S6 into recycled aggregates with different particle size ranges, and classifying and stacking.
Specifically, the light object is wood block, plastic, cloth, packaging bag, plywood, paper, aerated concrete or a mixture of any two or more of the wood block, the plastic, the cloth, the packaging bag, the plywood, the paper and the aerated concrete.
Specifically, in the step S1, the decoration waste is sieved into three parts, namely, the particle size of D is more than 0 and less than or equal to 30mm, the particle size of D is more than 30 and less than or equal to 100mm, and the particle size of D is more than or equal to 100 mm; the part with the grain diameter of more than 0 and less than or equal to 30mm is miscellaneous soil; step S2 is carried out on the part with the grain diameter of 30 mm-D less than or equal to 100 mm; crushing the part with the grain diameter D larger than 100mm into the grain diameter D larger than 30 and smaller than or equal to 100mm, and then carrying out the step S2.
Specifically, the removing manner of the light materials in the decoration waste in step S3 is manual sorting, sieving and water separation.
Further, the decoration waste from which the light materials are removed is dehydrated.
Specifically, the light materials in the decoration waste are removed in step S6 by screening.
Specifically, the recycled aggregate in step S7 is sieved into four types, i.e., 0 < D.ltoreq.10 mm, 10 < D.ltoreq.20 mm, 20 < D.ltoreq.30 mm, and D >30 mm.
Furthermore, the recycled aggregate with the particle size D larger than 30mm returns to the step S4 to be re-crushed into recycled aggregate with the particle size of 0 < D ≤ 30 mm.
The resource treatment process of the decoration waste provided by the invention has the beneficial effects that:
the iron-containing substances and the light substances in the decoration waste are firstly separated and stacked in a classified manner, then the decoration waste is crushed into the recycled aggregate, and then the iron-containing substances and the light substances in the recycled aggregate are separated and stacked in a classified manner, the decoration waste treated by the recycling treatment process provided by the invention can be directly divided into miscellaneous soil, metal, light substances and recycled aggregate, the obtained miscellaneous soil can be recycled by utilizing a special residual sludge and soil recycling process, the obtained metal can be directly recycled, the obtained light substances can be sent to a garbage incineration plant for incineration power generation treatment, the obtained recycled aggregate has low impurity content and high quality, can be directly utilized as a raw material of recycled products such as concrete, mortar or recycled bricks, and the overall recycling utilization rate can reach more than 90%.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a recycling process of decoration waste provided by an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, the recycling treatment process of decoration waste provided by the embodiment of the invention comprises the following steps:
s1 heavy screening
Conveying the decoration waste into a heavy stepped sieve by a plate type feeding machine, wherein the decoration waste is sieved into three parts, namely, the particle size of D is more than 0 and less than or equal to 30mm, the particle size of D is more than 30 and less than or equal to 100mm, and the particle size of D is more than 100mm by the heavy stepped sieve; d is more than 0 and less than or equal to 30mm, the part is the miscellaneous soil, the miscellaneous soil is separated and classified as miscellaneous soil, and the miscellaneous soil is stacked in a concentrated manner; conveying the part with the particle size of 30-100 mm to magnetic separation equipment through a belt conveyor to carry out step S2; and conveying the part with the particle size D larger than 100mm to a primary crusher through a belt conveyor to crush the part into particles with the particle size D larger than 30 and less than or equal to 100mm, and conveying the particles to magnetic separation equipment through the belt conveyor to perform step S2, wherein the primary crusher is a jaw crusher, a counterattack crusher or a double-shaft hydraulic crusher and the like.
S2 removing iron
And (4) separating iron-containing substances in the decoration waste with the miscellaneous soil removed in the step (S1) by using magnetic separation equipment, wherein the magnetic separation equipment is a permanent magnet type iron remover, and separates the iron-containing substances such as reinforcing steel bars and the like and classifies the iron-containing substances as metals to be stacked in a concentrated manner.
S3, removing light substances
Firstly, separating wood blocks, plastics, cloth, packaging bags, plywood or a mixture of any two or more of the wood blocks, the plastics, the cloth, the packaging bags and the plywood in the decoration waste with iron-containing substances removed in the step S2 by manual sorting, and classifying the wood blocks, the plastics, the cloth, the packaging bags, the plywood or the mixture into light objects to be stacked in a concentrated mode;
then, separating plastics, paper, wood chips or cloth and the like which are not manually sorted by a screening equipment roller screening machine, and classifying the plastics, the paper, the wood chips or the cloth into light objects to be stacked in a concentrated manner;
then, separating plastics, paper, wood chips, cloth or aerated concrete and the like which are not removed by the drum screening machine by a light object flotation machine of a water separation device, floating on the water surface, scraping and collecting the substances, and classifying the substances into light objects to be stacked in a concentrated manner; concrete blocks or bricks and tiles with specific gravity larger than that of water can settle at the bottom of the lightweight material flotation machine, and the concrete blocks or bricks and tiles are discharged out of the lightweight material flotation machine and then are conveyed into a dewatering screen through a belt conveyor;
finally, the decoration waste from which the light materials are removed is dehydrated through a dehydration screen and then conveyed to a secondary crusher through a belt conveyor to be subjected to step S4.
S4, crushing
And (4) crushing the decoration waste which is subjected to removal of the light substances and dehydration in the step (S3) into recycled aggregate by using a secondary crusher, wherein the secondary crusher is an impact crusher, a cone crusher or the like.
S5 removing iron
And (4) separating the iron-containing substances in the recycled aggregate in the step (S4) by using magnetic separation equipment, wherein the magnetic separation equipment is a permanent magnet type iron remover, and the iron-containing substances in the recycled aggregate, such as reinforcing steel bars, are separated and classified as metal concentrated stacking.
S6, removing light substances
Separating the plastic, wood, paper, cloth, aerated concrete or a mixture of any two or more of the plastic, wood, paper, cloth and aerated concrete in the recycled aggregate from which the iron-containing substances are removed in the step S5 by a roller screening machine of screening equipment, and classifying the recycled aggregate into light mass concentrated stacking.
S7, screening
Screening the recycled aggregate without the light substances in the step S6 into four types of particles with the particle size of 0-D not more than 10mm, the particle size of 10-D not more than 20mm, the particle size of 20-D not more than 30mm and the particle size of D more than 30mm by a vibration screening machine, and stacking in a classified manner; returning the recycled aggregate with the particle size D larger than 30mm to the step S4 to be re-crushed into recycled aggregate with the particle size of 0 < D ≦ 30mm, and then sequentially carrying out the step S5, the step S6 and the step S7.
The resource treatment process of the decoration waste provided by the invention has the beneficial effects that:
the method comprises the steps of separating the miscellaneous soil materials with the particle size of 0-30 mm from decoration wastes by utilizing the screening function of a heavy stepped screen, simultaneously separating the rest decoration wastes into two parts with the particle size of 30-100 mm and the particle size of D-100 mm, removing iron from the part with the particle size of 30-100 mm, crushing the part with the particle size of D-100 mm by a primary crusher until the particle size of D-100 mm is 30-100 mm, and reducing the flow of the materials entering the primary crusher by screening the heavy stepped screen so as to reduce the energy consumption of the primary crusher.
The decoration waste has high light matter content and mixed components, and the light matter sorting efficiency of the decoration waste is not high through manual sorting and roller screening, so that the invention also adopts a water sorting equipment light matter flotation machine with the light matter sorting efficiency of over 95 percent, and separates out all light matters with the specific gravity smaller than water through buoyancy, so that the sorting efficiency of the light matters reaches over 95 percent.
Conveying the part with the particle size D larger than 100mm in the decoration waste to a primary crusher through a belt conveyor, crushing the part into particles with the particle size D larger than 30 and smaller than or equal to 100mm, and then removing iron; conveying the pretreated decoration waste to a secondary crusher through a belt, and then crushing the decoration waste into recycled aggregate, wherein in the crushing process, the pretreated decoration waste is crushed into the recycled aggregate with the particle size of 0-D being less than or equal to 30mm, the recycled aggregate with the particle size of D being more than or equal to 30mm returns to the step S4 to be re-crushed into the recycled aggregate with the particle size of 0-D being less than or equal to 30mm, at the moment, the residual iron-containing substances mixed in the recycled aggregate are exposed, removing iron again to sort out the residual iron-containing substances, and through multiple crushing and magnetic separation processes, 99% of the iron-containing substances are recovered.
The recycled aggregate can replace natural aggregates such as sand, stone and the like, the recycled aggregate can also be used as a raw material of a recycled environment-friendly product, the recycled environment-friendly product can be building material products such as recycled mortar, recycled concrete, recycled bricks, environment-friendly prefabricated parts, water stabilizing materials, pipe ditches, roadbed, foundation pit backfill materials and the like, and the consumption of the natural raw materials can be greatly reduced by using the recycled aggregate, so that the recycling of the recycled aggregate is realized.
After the miscellaneous soil materials sorted by the process flow are determined to be harmless, the urban sculpture and various baking-free bricks can be prepared by adopting the technical scheme of treating the residual soil and the dregs through the procedures of pretreatment, dehydration, crushing, mixing, granulation, mold filling and molding, and can also be used for roadbed molding, pipe ditch backfilling or foundation pit backfilling; the light materials separated by the process flow, such as paper, wood chips, packaging, cloth and the like, are combustible materials with high heat value, can be sent to a burning power plant for treatment, and are converted into heat energy or electric energy for utilization; the metal separated by the process flow can be directly recycled; the obtained recycled aggregate has low impurity content and high quality, and can be directly used as a raw material of recycled products such as concrete, mortar or recycled bricks; the technological process adopted by the invention classifies various materials in the decoration waste respectively, so that all the materials can be fully used, and the overall resource utilization rate reaches over 90 percent.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A resourceful treatment process of decoration waste is characterized by comprising the following steps:
s1, separating the miscellaneous soil in the decoration waste, and stacking in a classified manner;
s2, separating iron-containing substances in the decoration waste from which the miscellaneous soil is removed in the step S1, and stacking the iron-containing substances in a classified manner;
s3, separating light matters in the decoration waste with the iron-containing matters removed in the step S2, and stacking the light matters in a classified manner;
s4, crushing the decoration waste with the light substances removed in the step S3 into recycled aggregate;
s5, separating the iron-containing materials in the recycled aggregate in the step S4, and stacking the separated materials in a classified manner;
s6, separating the lightweight matters in the recycled aggregate from which the iron-containing matters are removed in the step S5, and stacking the lightweight matters in a classified manner;
and S7, screening the recycled aggregate with the lightweight matters removed in the step S6 into recycled aggregates with different particle size ranges, and classifying and stacking.
2. The recycling process of decoration waste as claimed in claim 1, wherein the light material is wood block, plastic, cloth, packaging bag, plywood, paper, aerated concrete or mixture of any two or more of them.
3. The recycling treatment process of decoration waste as claimed in claim 1, wherein in step S1, the decoration waste is divided into three parts of particle size 0 < D < 30mm, particle size 30 < D < 100mm and particle size D >100 mm; the part with the grain diameter of more than 0 and less than or equal to 30mm is miscellaneous soil; step S2 is carried out on the part with the grain diameter of 30 mm-D less than or equal to 100 mm; crushing the part with the grain diameter D larger than 100mm into the grain diameter D larger than 30 and smaller than or equal to 100mm, and then carrying out the step S2.
4. The recycling process of decoration waste as claimed in claim 1, wherein the removing of light materials from decoration waste in step S3 is performed by manual sorting, sieving and water separation.
5. The recycling process of decoration waste as claimed in claim 4, wherein the decoration waste with light materials removed is dewatered.
6. The recycling process of decoration waste as claimed in claim 1, wherein the removing of light materials from decoration waste in step S6 is by sieving.
7. The recycling process of decoration wastes according to claim 1, wherein the recycled aggregate in step S7 is sieved into four types, i.e., particle size 0 < D < 10mm, particle size 10 < D < 20mm, particle size 20 < D < 30mm and particle size D >30 mm.
8. The recycling process of decoration wastes according to claim 7, wherein the recycled aggregate with the particle size D larger than 30mm is returned to step S4 to be re-crushed into recycled aggregate with the particle size of 0 < D ≦ 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911217525.XA CN110976078A (en) | 2019-12-03 | 2019-12-03 | Resourceful treatment process for decoration waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911217525.XA CN110976078A (en) | 2019-12-03 | 2019-12-03 | Resourceful treatment process for decoration waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110976078A true CN110976078A (en) | 2020-04-10 |
Family
ID=70089406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911217525.XA Pending CN110976078A (en) | 2019-12-03 | 2019-12-03 | Resourceful treatment process for decoration waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110976078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246389A (en) * | 2020-08-21 | 2021-01-22 | 中国市政工程华北设计研究总院有限公司 | System suitable for soft and hard classification treatment of decoration garbage and operation method |
| CN114213076A (en) * | 2021-12-07 | 2022-03-22 | 华南理工大学 | Controllable low-strength material based on decoration waste and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331287A (en) * | 2013-06-05 | 2013-10-02 | 广州捭阖环保科技有限公司 | Method and system for comprehensively treating building solid wastes |
| CN103755188A (en) * | 2014-01-08 | 2014-04-30 | 大连泓元环保建筑材料有限公司 | Ecological treatment technology for construction waste |
| CN103964718A (en) * | 2014-04-25 | 2014-08-06 | 桑德环境资源股份有限公司 | Method for treating construction waste |
| CN107249765A (en) * | 2015-02-12 | 2017-10-13 | 纽威穆思维知识产权控股公司 | Unsorted MSW is converted into geo-polymer granular substance/briquetting and geo-polymer bricked thing/and paves the new method and equipment of block |
| CN107694738A (en) * | 2017-08-22 | 2018-02-16 | 广东中态绿城建筑淤泥渣土实业有限公司 | A kind of construction waste recoverying and utilizing method |
| CN107890938A (en) * | 2017-11-22 | 2018-04-10 | 北京都市绿源环保科技有限公司 | A kind of method of building waste recycling |
| CN108176697A (en) * | 2017-12-27 | 2018-06-19 | 广东昕旺环保科技发展有限公司 | Build composting sorting total system and processing method |
-
2019
- 2019-12-03 CN CN201911217525.XA patent/CN110976078A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331287A (en) * | 2013-06-05 | 2013-10-02 | 广州捭阖环保科技有限公司 | Method and system for comprehensively treating building solid wastes |
| CN103755188A (en) * | 2014-01-08 | 2014-04-30 | 大连泓元环保建筑材料有限公司 | Ecological treatment technology for construction waste |
| CN103964718A (en) * | 2014-04-25 | 2014-08-06 | 桑德环境资源股份有限公司 | Method for treating construction waste |
| CN107249765A (en) * | 2015-02-12 | 2017-10-13 | 纽威穆思维知识产权控股公司 | Unsorted MSW is converted into geo-polymer granular substance/briquetting and geo-polymer bricked thing/and paves the new method and equipment of block |
| CN107694738A (en) * | 2017-08-22 | 2018-02-16 | 广东中态绿城建筑淤泥渣土实业有限公司 | A kind of construction waste recoverying and utilizing method |
| CN107890938A (en) * | 2017-11-22 | 2018-04-10 | 北京都市绿源环保科技有限公司 | A kind of method of building waste recycling |
| CN108176697A (en) * | 2017-12-27 | 2018-06-19 | 广东昕旺环保科技发展有限公司 | Build composting sorting total system and processing method |
Non-Patent Citations (1)
| Title |
|---|
| 孙金坤等: "建筑垃圾资源化处理工艺改进研究", 《环境工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246389A (en) * | 2020-08-21 | 2021-01-22 | 中国市政工程华北设计研究总院有限公司 | System suitable for soft and hard classification treatment of decoration garbage and operation method |
| CN114213076A (en) * | 2021-12-07 | 2022-03-22 | 华南理工大学 | Controllable low-strength material based on decoration waste and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110976478B (en) | Recycling treatment process for demolition and decoration wastes | |
| CN110813483A (en) | Construction waste crushing and sorting treatment system | |
| CN110394225B (en) | Brick-concrete separation comprehensive disposal process for construction waste | |
| CN201442005U (en) | Construction waste comprehensive treatment equipment | |
| CN105195313A (en) | Method for recycling metal and combustibles from domestic waste incineration slag | |
| CN108176699A (en) | A kind of construction refuse regenerated production technology | |
| CN208527668U (en) | Domestic waste incineration residue resource utilization system | |
| CN212237647U (en) | Construction waste treatment system | |
| CN105880264B (en) | RDF (resource description framework) system and method for domestic garbage squeezing, classification, quality-based treatment and resource utilization | |
| CN110339937A (en) | A kind of waste incinerator residues processing technique | |
| CN111922024A (en) | Building decoration garbage sorting and crushing treatment process | |
| CN112474712A (en) | Building decoration garbage resource utilization system and method | |
| CN105478214A (en) | Construction waste integration and separation method | |
| CN110976078A (en) | Resourceful treatment process for decoration waste | |
| CN102974596A (en) | Construction waste co-extrusion harmless treatment system and method thereof | |
| KR100358687B1 (en) | The constructive recycling methods and instruments of Reclaimed waste. | |
| CN113976308A (en) | Waste incinerator slag treatment system and method | |
| CN106431041B (en) | One kind is construction refuse regenerated to utilize separating technology | |
| CN201423382Y (en) | Movable construction waste treatment device | |
| CN110947739A (en) | Automatic sorting line for building decoration garbage | |
| CN103785670A (en) | Method for harmless treatment of waste residue in paper making | |
| CN203991634U (en) | A kind of high resource utilization system containing civil engineering building refuse | |
| CN110937835A (en) | Method for resource utilization of waste incineration slag | |
| CN216499992U (en) | Waste incinerator slag treatment system | |
| CN113860778A (en) | Preparation process for recycling concrete building material by utilizing construction waste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |
|
| RJ01 | Rejection of invention patent application after publication |