CN111558593A - Building decoration garbage sorting process - Google Patents
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- CN111558593A CN111558593A CN201910114381.9A CN201910114381A CN111558593A CN 111558593 A CN111558593 A CN 111558593A CN 201910114381 A CN201910114381 A CN 201910114381A CN 111558593 A CN111558593 A CN 111558593A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 67
- 238000005034 decoration Methods 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 296
- 238000012216 screening Methods 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000004576 sand Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 241000353135 Psenopsis anomala Species 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 239000011449 brick Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 239000013072 incoming material Substances 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
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- 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
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- 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)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a building decoration garbage sorting process, which comprises the following steps: the method comprises the steps of line selection, crushing feeding line, feeding by a plate chain machine, screening and secondary screening, wherein building decoration garbage is finely screened by the plate chain machine, a disc machine, a bouncing machine, a star disc screen and other equipment, and meanwhile, the screening line is adjusted according to the properties of materials, so that the method is more efficient in sorting the building decoration garbage and saves a large amount of energy.
Description
Technical Field
The invention relates to the field of building garbage treatment, in particular to a building decoration garbage sorting process.
Background
The building decoration garbage mainly refers to various wastes such as soil, waste residues, mortar and the like generated in the process of building, repairing and dismantling various structures, buildings and the like by construction units or individuals and house decoration. The garbage is recycled after being sorted, and is a disposal mode which is economic and environment-friendly. At present, a plurality of processes or devices for sorting the building decoration garbage are adopted, but the processes or the devices are relatively extensive, fine sorting cannot be achieved, the sorting process is not targeted, and resource waste and low sorting efficiency are caused.
CN201510039967.5 discloses a process and an apparatus for separating construction waste, the process comprising: the brick and tile blocks, the concrete blocks and the mortar blocks screened from the construction waste are forced to move regularly at a high speed in a relatively closed container, and then are respectively screened out according to the specific gravity and the movement speed of different materials, so that the separation of the brick and tile blocks, the concrete blocks and the mortar blocks is realized. An apparatus for use in the process is also disclosed. The process and the device solve the problem that the brick and tile blocks, the concrete blocks and the mortar blocks in the construction waste are difficult to sort, and have low investment cost, simple process and low energy consumption.
CN201510610341.5 the invention discloses a building rubbish sorting and recycling process and a device thereof, the process is a complete process aiming at building rubbish fine sorting and recycling of a system, and raw rubbish passes through a heavy-load impact-resistant stepless speed-regulating uniform feeding machine, a large material separator, a first output machine, an intelligent grab bucket sorting platform, a water washing system, a water washing material discharging machine, a second output machine, a fine material separator, comprehensive winnowing, a pure material collector and a comprehensive winnowing sundry discharging machine, so that the resource utilization of the building rubbish is realized.
The sorting process of the construction waste is relatively extensive, fine and targeted sorting is not achieved, the sorted materials are difficult to recycle, and the efficiency of the sorting process is low.
Disclosure of Invention
A building decoration garbage sorting process comprises the following steps:
(1) line selection: selectively adjusting a sorting route according to the volume of the building decoration garbage, and if the supplied materials comprise materials such as bagged materials, large concrete and the like, crushing the supplied materials on a feeding line; if the material has no large blocks and a small amount of bagged objects, the plate chain machine can be automatically switched;
(2) crushing and feeding line: materials such as bagged materials, bulk concrete and the like are conveyed to a coarse crusher to be crushed, and the materials enter a plate chain machine after being treated and screened;
(3) feeding by a plate chain machine: directly feeding the small building decoration garbage in bulk into a plate chain conveyor through a loader, and conveying the materials by the plate chain conveyor;
(4) screening: bulk small building decoration garbage or materials crushed by a crushing feeding line are conveyed to a disc sieve, materials below the disc sieve are fed by a belt conveyor to be conveyed to a bouncing sieve, and 3 materials can be obtained by sieving the bouncing sieve, wherein the materials are respectively 50-200mm2D materials, 50-200mm 3D materials and 0-50mm below the bouncing sieve;
(5) secondary screening: after entering a star disk auxiliary sorting system, 0-50mm undersize materials are divided into three materials again, 0-3mm sandy soil, 3-50mm light materials are directly converged into a belt line together with a bouncing screen 2D material through a belt conveyor and enter a packing machine, 3-50mm heavy materials (small-particle sand and stone materials) are converged into a manual sorting belt line together with a bouncing screen 3D material and a bar screen oversize material to be subjected to impurity removal and then enter a reverse impact crusher, all aggregates are crushed into materials with the particle size of 0-10mm through an ore crusher, and 10-30mm melon seed materials and oversize materials with the particle size of more than 30mm are crushed into materials with the particle size of 0-10mm through a return material feeding crusher again.
Preferably, the building decoration garbage is pretreated before being sorted in the step (1).
Preferably, the building decoration garbage pretreatment process comprises the steps of placing building garbage in an open field, spraying water by using a high-pressure water gun, and setting the pressure to be the garbage accumulation volume (m) according to the garbage accumulation volume3) 10-30 times Kpa.
Preferably, the specific process of the crushing and feeding line in the step (2) is as follows: and (3) crushing materials such as bagged materials and large concrete in a coarse crusher, wherein the bagged materials are crushed into bulk materials, the large concrete materials are crushed into materials of 50-200mm, the crushed materials are sieved through a coarse sieve, the materials with the particle size smaller than 200mm enter a plate chain machine, and the materials with the particle size larger than 200mm enter the coarse crusher again for secondary crushing until the materials are completely smaller than 200 mm.
Preferably, the feeding mode of the plate chain machine in the step (3) is a uniform feeding mode for material conveying, and the conveying speed of the material is 0.2-0.5m3/min。
Preferably, the oversize materials 50-200mm2D materials and 50-200mm 3D materials in the step (4) are separated through water separation, namely the 2D and 3D materials are washed in 20-50cm/s running water, the 3D heavy materials are deposited at the bottom of the water body, and the 2D light materials are separated from the 3D materials under the drive of the water body.
Preferably, the material finally obtained in the process in the step (5) comprises: sand of 0-3mm, light material of 3-50mm, mixture of materials of 50-200mm2D and heavy material particles of 0-10 mm.
Has the advantages that: the invention provides a process for sorting building decoration garbage,the process comprises the following steps: the method comprises the steps of line selection, crushing feeding line, feeding by a plate chain machine, screening and secondary screening, wherein building decoration garbage is finely screened by the plate chain machine, a disc machine, a bouncing machine, a star disc screen and other equipment, meanwhile, the screening route is adjusted according to the properties of materials, so that the method is more efficient in sorting the building decoration garbage and saves a large amount of energy, the building decoration garbage is firstly pretreated before being sorted in the step (1), the building decoration garbage is pretreated by placing the building garbage in a wide open site, water spraying treatment is carried out by using a high-pressure water gun, the pressure is determined according to the garbage accumulation volume, and the garbage accumulation volume (m) is set according to the garbage accumulation volume3) The pressure of 10-30 times Kpa, the process can wet the construction waste through the water body, and dust is prevented from being generated in the sorting process, so that the process is more environment-friendly, and the specific process of crushing the feeding line in the step (2) is as follows: bagging and crushing materials such as large concrete in a coarse crusher, wherein the bagged materials are crushed into bulk materials, the large concrete materials are crushed into 50-200mm materials, the crushed materials are sieved by a coarse sieve, the materials with the particle size smaller than 200mm enter a plate chain machine, the materials with the particle size larger than 200mm enter the coarse crusher again to be crushed again until the materials are completely smaller than 200mm, the process can ensure that all building decoration garbage can enter the sorting process to be sorted, the 2D materials with the oversize materials of 50-200mm and the 3D materials with the particle size of 50-200mm in the step (4) are separated by water sorting, namely, 2D and 3D materials are washed in flowing water of 20-50cm/s, the 3D heavy materials are deposited at the bottom of a water body, and the 2D light materials are separated from the 3D materials by the water body, the process replaces the traditional manual sorting, the separation of 2D and 3D materials can be realized more efficiently, and the materials finally obtained by the process in the step (5) comprise: the sand soil of 0-3mm, the light material of 3-50mm and the mixture of materials of 50-200mm2D, the heavy material particle of 0-10mm, the final sorted product is sorted according to the property and the particle size, which is more delicate and scientific.
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.
Example 1:
a building decoration garbage sorting process comprises the following steps:
(1) line selection: before the building decoration rubbish is selected separately, at first carry out the preliminary treatment, be about to building rubbish and place open area in, use high-pressure squirt to carry out water spray treatment, pressure is decided according to rubbish pile up volume, sets for rubbish pile up volume (m)3) The pressure of 10 times Kpa, the sorting route is selectively adjusted according to the volume of the materials of the building decoration garbage, and if the incoming materials comprise materials such as bagged materials, large concrete and the like, the incoming materials are crushed and fed into a feeding line; if the material has no large blocks and a small amount of bagged objects, the plate chain machine can be automatically switched;
(2) crushing and feeding line: materials such as bagging and bulk concrete are conveyed to a coarse crusher for crushing treatment, and the materials enter a plate link machine after being treated and screened, wherein the specific process of the crushing feed line is as follows: crushing materials such as bagged materials and large concrete in a coarse crusher, wherein the bagged materials are crushed into bulk materials, the large concrete materials are crushed into 50-200mm materials, the crushed materials are sieved through a coarse sieve, the materials with the particle size smaller than 200mm enter a plate chain machine, and the materials with the particle size larger than 200mm enter the coarse crusher again to be crushed again until the materials are completely smaller than 200 mm;
(3) feeding by a plate chain machine: the bulk small building decoration garbage is directly fed into the plate chain conveyor through the loader, the feeding mode of the plate chain conveyor is a uniform feeding mode for material conveying, and the conveying speed of the materials is 0.2m3Min, conveying the materials by a plate link chain machine;
(4) screening: bulk small building decoration garbage or materials crushed by a crushing feeding line are conveyed to a disc sieve, materials below the disc sieve are fed by a belt conveyor to convey the materials to a bouncing sieve, and through the sieving of the bouncing sieve, 3 materials can be obtained, namely 50-200mm2D materials, 50-200mm 3D materials and 0-50mm undersize materials, 50-200mm2D materials and 50-200mm 3D materials on the oversize materials are separated by water separation, namely, the 2D and 3D materials are washed in 20cm/s flowing water, 3D heavy materials are deposited at the bottom of a water body, and 2D light materials are separated from the 3D materials under the driving of the water body;
(5) secondary screening: after entering a star disk auxiliary sorting system, 0-50mm undersize materials are divided into three materials again, 0-3mm sandy soil, 3-50mm light materials are directly converged into a belt line together with a bouncing screen 2D material through a belt conveyor to enter a packing machine, 3-50mm heavy materials (small-particle sand and stone materials) are converged into a manual sorting belt line together with a bouncing screen 3D material and a bar screen oversize material to be subjected to impurity removal and then enter a reverse impact crusher, all aggregates are crushed into materials with the particle size of 0-10mm through an ore crusher, 10-30mm melon seeds and oversize materials with the particle size of more than 30mm need to be fed back into the crusher to be crushed again into materials with the particle size of 0-10mm, and finally the materials obtained by the process comprise: sand of 0-3mm, light material of 3-50mm, mixture of materials of 50-200mm2D and heavy material particles of 0-10 mm.
Example 2:
a building decoration garbage sorting process comprises the following steps:
(1) line selection: before the building decoration rubbish is selected separately, at first carry out the preliminary treatment, be about to building rubbish and place open area in, use high-pressure squirt to carry out water spray treatment, pressure is decided according to rubbish pile up volume, sets for rubbish pile up volume (m)3) The pressure of 25 times Kpa, the sorting route is selectively adjusted according to the volume of the materials of the building decoration garbage, and if the incoming materials comprise materials such as bagged materials, large concrete and the like, the incoming materials are crushed and fed into a feeding line; if the material has no large blocks and a small amount of bagged objects, the plate chain machine can be automatically switched;
(2) crushing and feeding line: materials such as bagging and bulk concrete are conveyed to a coarse crusher for crushing treatment, and the materials enter a plate link machine after being treated and screened, wherein the specific process of the crushing feed line is as follows: crushing materials such as bagged materials and large concrete in a coarse crusher, wherein the bagged materials are crushed into bulk materials, the large concrete materials are crushed into 50-200mm materials, the crushed materials are sieved through a coarse sieve, the materials with the particle size smaller than 200mm enter a plate chain machine, and the materials with the particle size larger than 200mm enter the coarse crusher again to be crushed again until the materials are completely smaller than 200 mm;
(3) feeding by a plate chain machine: the bulk small building decoration garbage is directly fed into the plate chain conveyor through the loader, the feeding mode of the plate chain conveyor is a uniform feeding mode for material conveying, and the conveying speed of the materials is 0.35m3Min, conveying the materials by a plate link chain machine;
(4) screening: bulk small building decoration garbage or materials crushed by a crushing feeding line are conveyed to a disc sieve, materials below the disc sieve are fed by a belt conveyor to convey the materials to a bouncing sieve, and through the sieving of the bouncing sieve, 3 materials can be obtained, namely 50-200mm2D materials, 50-200mm 3D materials and 0-50mm undersize materials, 50-200mm2D materials and 50-200mm 3D materials on the oversize materials are separated by water separation, namely, the 2D and 3D materials are washed in 35cm/s flowing water, 3D heavy materials are deposited at the bottom of a water body, and 2D light materials are separated from the 3D materials under the driving of the water body;
(5) secondary screening: after entering a star disk auxiliary sorting system, 0-50mm undersize materials are divided into three materials again, 0-3mm sandy soil, 3-50mm light materials are directly converged into a belt line together with a bouncing screen 2D material through a belt conveyor to enter a packing machine, 3-50mm heavy materials (small-particle sand and stone materials) are converged into a manual sorting belt line together with a bouncing screen 3D material and a bar screen oversize material to be subjected to impurity removal and then enter a reverse impact crusher, all aggregates are crushed into materials with the particle size of 0-10mm through an ore crusher, 10-30mm melon seeds and oversize materials with the particle size of more than 30mm need to be fed back into the crusher to be crushed again into materials with the particle size of 0-10mm, and finally the materials obtained by the process comprise: sand of 0-3mm, light material of 3-50mm, mixture of materials of 50-200mm2D and heavy material particles of 0-10 mm.
Example 3:
a building decoration garbage sorting process comprises the following steps:
(1) line selection: before the building decoration rubbish is selected separately, at first carry out the preliminary treatment, be about to building rubbish and place open area in, use high-pressure squirt to carry out water spray treatment, pressure is decided according to rubbish pile up volume, sets for rubbish pile up volume (m)3) The pressure of 30 times Kpa is selectively adjusted according to the material volume of the building decoration garbageA sorting line, wherein if the incoming materials comprise materials such as bags, large concrete and the like, the incoming materials are crushed and fed into the line; if the material has no large blocks and a small amount of bagged objects, the plate chain machine can be automatically switched;
(2) crushing and feeding line: materials such as bagging and bulk concrete are conveyed to a coarse crusher for crushing treatment, and the materials enter a plate link machine after being treated and screened, wherein the specific process of the crushing feed line is as follows: crushing materials such as bagged materials and large concrete in a coarse crusher, wherein the bagged materials are crushed into bulk materials, the large concrete materials are crushed into 50-200mm materials, the crushed materials are sieved through a coarse sieve, the materials with the particle size smaller than 200mm enter a plate chain machine, and the materials with the particle size larger than 200mm enter the coarse crusher again to be crushed again until the materials are completely smaller than 200 mm;
(3) feeding by a plate chain machine: the bulk small building decoration garbage is directly fed into the plate chain conveyor through the loader, the feeding mode of the plate chain conveyor is a uniform feeding mode for material conveying, and the conveying speed of the materials is 0.5m3Min, conveying the materials by a plate link chain machine;
(4) screening: bulk small building decoration garbage or materials crushed by a crushing feeding line are conveyed to a disc sieve, materials below the disc sieve are fed by a belt conveyor to convey the materials to a bouncing sieve, and through the sieving of the bouncing sieve, 3 materials can be obtained, namely 50-200mm2D materials, 50-200mm 3D materials and 0-50mm undersize materials, 50-200mm2D materials and 50-200mm 3D materials on the oversize materials are separated by water separation, namely, the 2D and 3D materials are washed in 50cm/s running water, 3D heavy materials are deposited at the bottom of a water body, and 2D light materials are separated from the 3D materials under the driving of the water body;
(5) secondary screening: after entering a star disk auxiliary sorting system, 0-50mm undersize materials are divided into three materials again, 0-3mm sandy soil, 3-50mm light materials are directly converged into a belt line together with a bouncing screen 2D material through a belt conveyor to enter a packing machine, 3-50mm heavy materials (small-particle sand and stone materials) are converged into a manual sorting belt line together with a bouncing screen 3D material and a bar screen oversize material to be subjected to impurity removal and then enter a reverse impact crusher, all aggregates are crushed into materials with the particle size of 0-10mm through an ore crusher, 10-30mm melon seeds and oversize materials with the particle size of more than 30mm need to be fed back into the crusher to be crushed again into materials with the particle size of 0-10mm, and finally the materials obtained by the process comprise: sand of 0-3mm, light material of 3-50mm, mixture of materials of 50-200mm2D and heavy material particles of 0-10 mm.
Samples of each example were taken for assay analysis and compared to the prior art to yield the following data:
according to the data in the table, when the parameters of the embodiment 2 are adopted, the process parameters of the building decoration garbage sorting process are that the energy saving rate is 18%, the sorting resource conversion rate is 95%, the impact resistance of the produced regenerated brick is 72MPa, and the density of the brick body is 23.3g/cm3, while the prior art standard is that the energy saving rate is 5%, the sorting resource conversion rate is 80%, the impact resistance of the produced regenerated brick is 60MPa, and the density of the brick body is 18.6g/cm 3.
The invention provides a building decoration garbage sorting process, which comprises the following steps: the method comprises the steps of line selection, crushing feeding line, feeding by a plate chain machine, screening and secondary screening, wherein building decoration garbage is finely screened by the plate chain machine, a disc machine, a bouncing machine, a star disc screen and other equipment, meanwhile, the screening route is adjusted according to the properties of materials, so that the method is more efficient in sorting the building decoration garbage and saves a large amount of energy, the building decoration garbage is firstly pretreated before being sorted in the step (1), the building decoration garbage is pretreated by placing the building garbage in a wide open site, water spraying treatment is carried out by using a high-pressure water gun, the pressure is determined according to the garbage accumulation volume, and the garbage accumulation volume (m) is set according to the garbage accumulation volume3) The pressure of 10-30 times Kpa, the process can wet the construction waste through the water body, and prevent dust generation in the sorting process, so that the process is more convenientAdding environment protection, wherein the specific process of the crushing feeding line in the step (2) comprises the following steps: bagging and crushing materials such as large concrete in a coarse crusher, wherein the bagged materials are crushed into bulk materials, the large concrete materials are crushed into 50-200mm materials, the crushed materials are sieved by a coarse sieve, the materials with the particle size smaller than 200mm enter a plate chain machine, the materials with the particle size larger than 200mm enter the coarse crusher again to be crushed again until the materials are completely smaller than 200mm, the process can ensure that all building decoration garbage can enter the sorting process to be sorted, the 2D materials with the oversize materials of 50-200mm and the 3D materials with the particle size of 50-200mm in the step (4) are separated by water sorting, namely, 2D and 3D materials are washed in flowing water of 20-50cm/s, the 3D heavy materials are deposited at the bottom of a water body, and the 2D light materials are separated from the 3D materials by the water body, the process replaces the traditional manual sorting, the separation of 2D and 3D materials can be realized more efficiently, and the materials finally obtained by the process in the step (5) comprise: the sand soil of 0-3mm, the light material of 3-50mm and the mixture of materials of 50-200mm2D, the heavy material particle of 0-10mm, the final sorted product is sorted according to the property and the particle size, which is more delicate and scientific.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (7)
1. A building decoration garbage sorting process is characterized by comprising the following steps:
(1) line selection: selectively adjusting a sorting route according to the volume of the building decoration garbage, and if the supplied materials comprise materials such as bagged materials, large concrete and the like, crushing the supplied materials on a feeding line; if the material has no large blocks and a small amount of bagged objects, the plate chain machine can be automatically switched;
(2) crushing and feeding line: materials such as bagged materials, bulk concrete and the like are conveyed to a coarse crusher to be crushed, and the materials enter a plate chain machine after being treated and screened;
(3) feeding by a plate chain machine: directly feeding the small building decoration garbage in bulk into a plate chain conveyor through a loader, and conveying the materials by the plate chain conveyor;
(4) screening: bulk small building decoration garbage or materials crushed by a crushing feeding line are conveyed to a disc sieve, materials below the disc sieve are fed by a belt conveyor to be conveyed to a bouncing sieve, and 3 materials can be obtained by sieving the bouncing sieve, wherein the materials are respectively 50-200mm2D materials, 50-200mm 3D materials and 0-50mm below the bouncing sieve;
(5) secondary screening: after entering a star disk auxiliary sorting system, 0-50mm undersize materials are divided into three materials again, 0-3mm sandy soil, 3-50mm light materials are directly converged into a belt line together with a bouncing screen 2D material through a belt conveyor and enter a packing machine, 3-50mm heavy materials (small-particle sand and stone materials) are converged into a manual sorting belt line together with a bouncing screen 3D material and a bar screen oversize material to be subjected to impurity removal and then enter a reverse impact crusher, all aggregates are crushed into materials with the particle size of 0-10mm through an ore crusher, and 10-30mm melon seed materials and oversize materials with the particle size of more than 30mm are crushed into materials with the particle size of 0-10mm through a return material feeding crusher again.
2. The building finishing waste sorting process of claim 1, wherein the building finishing waste sorting in the step (1) is preceded by a pretreatment.
3. The building finishing garbage sorting process according to claim 2, wherein the building finishing garbage pretreatment process comprises placing the building garbage in an open field, spraying water by using a high-pressure water gun, and setting the pressure to be garbage accumulation volume (m) according to the garbage accumulation volume3) 10-30 times Kpa.
4. The building decoration garbage sorting process according to claim 1, wherein the crushing and feeding line in the step (2) is prepared by the following specific processes: and (3) crushing materials such as bagged materials and large concrete in a coarse crusher, wherein the bagged materials are crushed into bulk materials, the large concrete materials are crushed into materials of 50-200mm, the crushed materials are sieved through a coarse sieve, the materials with the particle size smaller than 200mm enter a plate chain machine, and the materials with the particle size larger than 200mm enter the coarse crusher again for secondary crushing until the materials are completely smaller than 200 mm.
5. The building decoration garbage sorting process of claim 1, wherein the feeding mode of the plate chain machine in the step (3) is a uniform feeding mode for material conveying, and the conveying speed of the material is 0.2-0.5m3/min。
6. The building decoration garbage sorting process according to claim 1, wherein the 2D material with the size of 50-200mm and the 3D material with the size of 50-200mm screened in the step (4) are separated through water separation, namely, the 2D material and the 3D material are washed in 20-50cm/s running water, the 3D heavy material is deposited at the bottom of the water body, and the 2D light material is separated from the 3D material under the driving of the water body.
7. The building finishing waste sorting process of claim 1, wherein the final material obtained in the step (5) comprises: sand of 0-3mm, light material of 3-50mm, mixture of materials of 50-200mm2D and heavy material particles of 0-10 mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427124A (en) * | 2020-10-30 | 2021-03-02 | 北京建工资源循环利用投资有限公司 | Construction waste recycling method and equipment |
| CN113843253A (en) * | 2021-09-01 | 2021-12-28 | 泉州容大机械有限公司 | Domestic garbage screening treatment production line and process flow thereof |
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| CN113843253A (en) * | 2021-09-01 | 2021-12-28 | 泉州容大机械有限公司 | Domestic garbage screening treatment production line and process flow thereof |
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Application publication date: 20200821 |