CN111318551A - Construction waste regeneration treatment system and treatment method thereof - Google Patents
Construction waste regeneration treatment system and treatment method thereof Download PDFInfo
- Publication number
- CN111318551A CN111318551A CN202010233886.XA CN202010233886A CN111318551A CN 111318551 A CN111318551 A CN 111318551A CN 202010233886 A CN202010233886 A CN 202010233886A CN 111318551 A CN111318551 A CN 111318551A
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- unit
- concrete
- waste
- crushing
- water
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- 239000002699 waste material Substances 0.000 title claims abstract description 97
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008929 regeneration Effects 0.000 title abstract description 9
- 238000011069 regeneration method Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000005406 washing Methods 0.000 claims abstract description 24
- 238000001556 precipitation Methods 0.000 claims abstract description 16
- 238000004064 recycling Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 7
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims 2
- 238000000746 purification Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- -1 silt Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a construction waste regeneration treatment system and a treatment method thereof, wherein the construction waste regeneration treatment system comprises a metal detection unit, a sorting unit, a crushing unit, a water washing and filtering unit, a conveying unit and a precipitation unit, and the construction waste regeneration treatment method comprises the following steps: metal detection, sorting, coarse crushing, water separation and filtration, precipitation and purification, conveying, fine crushing, secondary water separation and filtration; the construction waste recycling method carries out washing filtration after coarsely crushing and finely crushing the concrete, after concrete waste particles are placed into water, loose parts and weathered parts in the concrete waste are changed into smaller particles in the water, then the concrete waste is filtered through the filter screen, insecure parts in the concrete waste can be effectively removed, the influence on the strength of the concrete waste as concrete aggregate is avoided, and the strength and the use safety of the concrete are influenced.
Description
Technical Field
The invention belongs to the technical field of construction waste treatment, and particularly relates to a construction waste regeneration treatment system and a treatment method thereof.
Background
The construction waste refers to construction waste generated by human or natural reasons in engineering, and comprises waste residue soil, waste soil, silt, waste materials and the like, and if the construction waste is not processed and utilized in time, adverse effects are brought to society, environment and resources, wherein the waste construction concrete can produce coarse and fine aggregates which can be used for producing concrete with corresponding strength grade, but the waste construction concrete can generate certain degree of weathering in the long-term use process to cause strength reduction, and if the waste construction concrete is not removed, the quality and the strength of the recycled concrete can be affected.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a construction waste recycling system and a construction waste recycling method.
In order to achieve the purpose, the invention is realized by the following technical scheme: a construction waste recycling system comprises a metal detection unit, a sorting unit, a crushing unit, a water washing and filtering unit, a conveying unit and a precipitation unit.
A construction waste regeneration treatment method comprises the following steps:
the method comprises the following steps: detecting metal; the metal detection unit monitors the waste concrete blocks, detects whether reinforcing steel bars remain in the waste concrete blocks, and avoids damage to equipment during subsequent crushing;
step two: sorting; the sorting unit sorts out the concrete waste materials with the steel bars left inside, and the normal concrete waste materials are conveyed to the crushing unit;
step three: coarse crushing; the crushing unit coarsely crushes the concrete waste so that the concrete waste can be conveniently conveyed and transported, and the crushed concrete waste is conveyed to the washing and filtering unit through the conveying unit;
step four: water separation and filtration; the washing filtering unit is used for washing and filtering the concrete waste, in the process, the concrete waste is firstly put into water, loose parts and weathered parts in the concrete waste are converted into smaller particles in the water, and then the concrete waste is filtered through the filter screen, so that the infirm parts in the concrete waste can be effectively removed, the strength of the concrete waste serving as concrete aggregate is prevented from being influenced, and the strength and the use safety of the concrete are further influenced;
step five: precipitating and purifying; discharging the water used in the step four into a precipitation unit, and precipitating in the precipitation unit to ensure that the water is clear again so as to be recycled;
step six: conveying; conveying the filtered concrete waste to a crushing unit through a conveying unit;
step seven: finely crushing; the crushing unit is used for finely crushing the filtered concrete waste, and the finely crushed concrete waste is conveyed to the washing and filtering unit through the conveying unit;
step eight: secondary water separation and filtration; and (3) washing and filtering the finely crushed concrete waste again through a washing and filtering unit, and removing loose parts and weathered parts which are regenerated in the finely crushing process.
As a preferred embodiment of the present invention, the settling unit is composed of several settling ponds.
In a preferred embodiment of the present invention, the water used in the fifth step and the eighth step is purified water in a precipitation unit.
The invention has the beneficial effects that:
1. the construction waste recycling method carries out washing filtration after coarsely crushing and finely crushing the concrete, after concrete waste particles are placed into water, loose parts and weathered parts in the concrete waste are changed into smaller particles in the water, then the concrete waste is filtered through the filter screen, insecure parts in the concrete waste can be effectively removed, the influence on the strength of the concrete waste as concrete aggregate is avoided, and the strength and the use safety of the concrete are influenced.
2. According to the construction waste recycling method, before the concrete waste is coarsely crushed, metal detection is firstly carried out on the concrete waste, whether reinforcing steel bars are left in the waste concrete blocks or not is detected, damage to equipment is effectively avoided during subsequent crushing, and the practicability is high.
3. The construction waste recycling method is simple in steps, can effectively improve the quality of concrete waste treatment, and is suitable for popularization.
Drawings
FIG. 1 is a schematic flow diagram of a construction waste recycling method;
fig. 2 is a functional block diagram of a construction waste recycling system.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 2, the present invention provides a technical solution: a construction waste recycling system comprises a metal detection unit 1, a sorting unit 2, a crushing unit 3, a water washing and filtering unit 4, a conveying unit 5 and a precipitation unit 6.
A construction waste regeneration treatment method comprises the following steps:
the method comprises the following steps: detecting metal; the metal detection unit 1 monitors the waste concrete blocks, detects whether reinforcing steel bars remain in the waste concrete blocks, and avoids damage to equipment during subsequent crushing;
step two: sorting; the sorting unit 2 sorts out the concrete waste materials with the steel bars left inside, and normal concrete waste materials are conveyed to the crushing unit 3;
step three: coarse crushing; the crushing unit 3 coarsely crushes the concrete waste so that the concrete waste can be conveniently conveyed and transported, and the crushed concrete waste is conveyed to the washing and filtering unit 4 through the conveying unit 5;
step four: water separation and filtration; the washing filtering unit 4 is used for washing and filtering the concrete waste, in the process, the concrete waste is firstly put into water, loose parts and weathered parts in the concrete waste are converted into smaller particles in the water, and then the concrete waste is filtered through a filter screen, so that the infirm parts in the concrete waste can be effectively removed, the strength of the concrete waste serving as concrete aggregate is prevented from being influenced, and the strength and the use safety of the concrete are further influenced;
step five: precipitating and purifying; discharging the used water into a precipitation unit 6, and precipitating in the precipitation unit 6 to ensure that the water is clear again so as to be recycled;
step six: conveying; the filtered concrete waste is conveyed to the crushing unit 3 through the conveying unit 5;
step seven: finely crushing; the crushing unit 3 finely crushes the filtered concrete waste, and the finely crushed concrete waste is conveyed to the washing and filtering unit 4 through the conveying unit 5;
step eight: secondary water separation and filtration; the finely crushed concrete waste is subjected to water washing filtration again by the water washing filtration unit 4, and loose parts and weathered parts, which are newly generated during the fine crushing, are removed.
As a preferred embodiment of the invention, the precipitation unit 6 consists of several precipitation 7 tanks.
In a preferred embodiment of the present invention, the water used in the fifth step and the eighth step is purified water in the precipitation unit 6.
To achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of any of the methods described above.
As a preferred mode of the invention, a plurality of electric railcars 7 can circularly run on the annular rail 1 and the external rail 2 to form a closed loop, and all mechanisms are matched to produce the concrete prefabricated part, so that the regeneration quality of construction waste can be effectively improved, the practicability is high, and the occupied area is small.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The building garbage recycling system is characterized by comprising a metal detection unit (1), a sorting unit (2), a crushing unit (3), a water washing and filtering unit (4), a conveying unit (5) and a precipitation unit (6).
2. The construction waste recycling method is characterized by comprising the following steps:
the method comprises the following steps: detecting metal; the metal detection unit (1) monitors the waste concrete blocks, detects whether reinforcing steel bars remain in the waste concrete blocks, and avoids damage to equipment during subsequent crushing;
step two: sorting; the sorting unit (2) sorts out the concrete waste materials with the steel bars left inside, and normal concrete waste materials are conveyed to the crushing unit (3);
step three: coarse crushing; the crushing unit (3) coarsely crushes the concrete waste so that the concrete waste can be conveniently conveyed and transported, and the crushed concrete waste is conveyed to the water washing and filtering unit (4) through the conveying unit (5);
step four: water separation and filtration; the washing filtering unit (4) is used for washing and filtering the concrete waste, in the process, the concrete waste is firstly put into water, loose parts and weathered parts in the concrete waste are converted into smaller particles in the water, then the concrete waste is filtered through the filter screen, so that the infirm parts in the concrete waste can be effectively removed, the strength of the concrete waste serving as concrete aggregate is prevented from being influenced, and the strength and the use safety of the concrete are further influenced;
step five: precipitating and purifying; discharging the used water into a precipitation unit (6), and precipitating in the precipitation unit (6) to ensure that the water is clear again so as to be recycled;
step six: conveying; the filtered concrete waste is conveyed to the crushing unit (3) through the conveying unit (5);
step seven: finely crushing; the crushing unit (3) finely crushes the filtered concrete waste, and the finely crushed concrete waste is conveyed to the water washing and filtering unit (4) through the conveying unit (5);
step eight: secondary water separation and filtration; the finely crushed concrete waste is subjected to water washing filtration again through a water washing filtration unit (4), and loose parts and weathered parts generated again in the finely crushing process are removed.
3. The construction waste recycling system according to claim 1, wherein: the sedimentation unit (6) consists of a plurality of sedimentation (7) pools.
4. The construction waste recycling method according to claim 2, characterized in that: the water used in the fifth step and the eighth step is the water purified in the precipitation unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233886.XA CN111318551A (en) | 2020-03-30 | 2020-03-30 | Construction waste regeneration treatment system and treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233886.XA CN111318551A (en) | 2020-03-30 | 2020-03-30 | Construction waste regeneration treatment system and treatment method thereof |
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| Publication Number | Publication Date |
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| CN111318551A true CN111318551A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010233886.XA Pending CN111318551A (en) | 2020-03-30 | 2020-03-30 | Construction waste regeneration treatment system and treatment method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701990A (en) * | 2020-07-06 | 2020-09-25 | 中铁二十局集团有限公司 | Shield muck environment-friendly treatment method, system and storage medium |
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|---|---|---|---|---|
| KR100834710B1 (en) * | 2006-12-27 | 2008-06-02 | 김수철 | Treatment method and apparatus using a rotary screen for waste soil which is contained in construction waste |
| CN101367630A (en) * | 2007-08-15 | 2009-02-18 | 刘庆凯 | Sand-washing technique of slate flour |
| 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 |
| CN105863726A (en) * | 2016-03-25 | 2016-08-17 | 河海大学 | Dynamic concrete roadside filling method based on construction waste regeneration |
| CN207899575U (en) * | 2017-11-28 | 2018-09-25 | 深圳市万佳晟环保产业有限公司 | Building waste processing system |
| CN108658083A (en) * | 2018-06-26 | 2018-10-16 | 广西浙缘农业科技有限公司 | A kind of preparation method of glass sand |
| CN109127646A (en) * | 2018-07-14 | 2019-01-04 | 四川瀚科建设有限公司 | Construction refuse resource utilization process |
| CN110813483A (en) * | 2018-08-14 | 2020-02-21 | 襄阳市市政工程总公司 | Construction waste crushing and sorting treatment system |
-
2020
- 2020-03-30 CN CN202010233886.XA patent/CN111318551A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100834710B1 (en) * | 2006-12-27 | 2008-06-02 | 김수철 | Treatment method and apparatus using a rotary screen for waste soil which is contained in construction waste |
| CN101367630A (en) * | 2007-08-15 | 2009-02-18 | 刘庆凯 | Sand-washing technique of slate flour |
| 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 |
| CN105863726A (en) * | 2016-03-25 | 2016-08-17 | 河海大学 | Dynamic concrete roadside filling method based on construction waste regeneration |
| CN207899575U (en) * | 2017-11-28 | 2018-09-25 | 深圳市万佳晟环保产业有限公司 | Building waste processing system |
| CN108658083A (en) * | 2018-06-26 | 2018-10-16 | 广西浙缘农业科技有限公司 | A kind of preparation method of glass sand |
| CN109127646A (en) * | 2018-07-14 | 2019-01-04 | 四川瀚科建设有限公司 | Construction refuse resource utilization process |
| CN110813483A (en) * | 2018-08-14 | 2020-02-21 | 襄阳市市政工程总公司 | Construction waste crushing and sorting treatment system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701990A (en) * | 2020-07-06 | 2020-09-25 | 中铁二十局集团有限公司 | Shield muck environment-friendly treatment method, system and storage medium |
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Application publication date: 20200623 |