CN216605555U - Recycled concrete's raw materials sorter - Google Patents
Recycled concrete's raw materials sorter Download PDFInfo
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- CN216605555U CN216605555U CN202123394442.3U CN202123394442U CN216605555U CN 216605555 U CN216605555 U CN 216605555U CN 202123394442 U CN202123394442 U CN 202123394442U CN 216605555 U CN216605555 U CN 216605555U
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- recycled concrete
- raw materials
- construction waste
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- 239000004567 concrete Substances 0.000 title claims abstract description 60
- 239000002994 raw material Substances 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 152
- 239000002699 waste material Substances 0.000 claims abstract description 69
- 238000010276 construction Methods 0.000 claims abstract description 54
- 238000012216 screening Methods 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 14
- 239000000428 dust Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- -1 support plates Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The application discloses raw materials sorter of recycled concrete belongs to the technical field of recycled concrete production, this sorter is including being used for carrying out the first broken mechanism of preliminary breakage with construction waste, the feed inlet communicates with the bin outlet of first broken mechanism and is used for carrying the conveyor of the construction waste after the breakage, the deironing mechanism that the setting was used for separating the metal object in the construction waste out on conveyor and retrieves, feed inlet and conveyor's discharge end intercommunication is and be used for the screening mechanism that separates the dregs in the construction waste, the broken mechanism of second of the bin outlet intercommunication of feed inlet and screening mechanism and setting are used for the burning mechanism that easily fires impurity in the raw materials of recycled concrete in the broken mechanism of second. This application can reduce impurity such as timber, extension board and plastics that mix with in the raw materials of recycled concrete, and then improves the quality of the raw materials of recycled concrete.
Description
Technical Field
The application relates to the technical field of recycled concrete production, in particular to a recycled concrete raw material classification device.
Background
At present, with the implementation of energy-saving and emission-reduction policies, recycled concrete prepared by recycling construction waste is more and more concerned by enterprises, the raw materials using the recycled concrete not only reduce the pollution and damage of the construction waste to the environment, but also recycle the sandstone aggregate building raw materials, save mining, and the recycled concrete belongs to environment-friendly building materials.
In the related art, the raw material of recycled concrete is recycled coarse aggregate obtained by crushing, deironing, screening and the like concrete blocks or bricks in construction waste, but impurities such as wood, cardboard, plastics and the like in the construction waste are inconvenient to remove, thereby affecting the quality of the raw material of recycled concrete.
Therefore, there is a need for a raw material sorting apparatus for recycled concrete to improve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to reduce impurity such as timber, extension board and plastics that mix with in recycled concrete's the raw materials, and then improve the quality of recycled concrete's raw materials, this application provides a recycled concrete's raw materials sorter
The application provides a raw materials sorter of recycled concrete adopts following technical scheme:
a raw material classification apparatus for recycled concrete, comprising:
the first crushing mechanism is used for crushing the construction waste;
the feeding hole of the conveying mechanism is communicated with the discharging hole of the crusher and is used for conveying the crushed construction waste;
the iron removal mechanism is arranged on the conveying mechanism and is used for separating and recycling metal substances in the construction waste;
the feeding hole of the screening mechanism is communicated with the discharging end of the conveying mechanism and is used for screening and classifying the construction waste;
the feed inlet of the second crushing mechanism is communicated with the discharge outlet of the screening mechanism; and
and the combustion mechanism is arranged on the conveying mechanism and used for igniting and burning inflammable impurities in the raw materials of the recycled concrete conveyed on the conveying mechanism.
Through adopting above-mentioned technical scheme, the staff throws building waste into first crushing mechanism and carries out preliminary breakage, then building waste carries through conveying mechanism, and at the in-process that building waste was carried, the metal thing separation in with building waste is come out for retrieving to deironing mechanism. Screening mechanism screens the construction waste material categorised, and the great construction waste material of particle diameter that the second crushing mechanism is used for sieving out carries out the secondary crushing, and burning mechanism can ignite the firing with the flammable impurity in the raw materials of the recycled concrete on the conveying mechanism, makes flammable material become dust or gaseous volatilizing to impurity such as timber, extension board and plastics that mix with in the raw materials of reduction recycled concrete, and then the purpose of the quality of improvement recycled concrete raw materials.
Optionally, the conveying mechanism is provided with an installation frame, and the installation frame is provided with a bucket used for turning over the conveyed materials.
Through adopting above-mentioned technical scheme, the scraper bowl on the mounting bracket can be turned over the material in carrying, makes the construction waste and the metal object that are located the lower floor turned over, and subsequent deironing operation of being convenient for, the further quality that improves recycled concrete's raw materials.
Optionally, the number of the iron removing mechanisms is multiple groups and is arranged on the conveying mechanism at intervals along the conveying direction of the construction waste.
Through adopting above-mentioned technical scheme, the quantity of deironing mechanism is the multiunit, makes the metal object in the construction waste more thoroughly by the clearance, and then improves the quality of recycled concrete's raw materials.
Optionally, the screening mechanism comprises a water washing vibrating screen and a dryer, wherein the water washing vibrating screen is communicated with the feed inlet and the discharge outlet of the conveying mechanism, and the dryer is arranged on the water washing vibrating screen.
Through adopting above-mentioned technical scheme, impurity such as earth in partly building waste can be detached to the washing shale shaker, makes the quality of recycled concrete's raw materials better, and the drying-machine is for making the recycled aggregate who discharges from the washing shale shaker drier.
Optionally, the combustion mechanism includes a flame gun installed on the conveying mechanism, an air supply pipe with an exhaust end communicated with an air inlet end of the flame gun, and an air supply tank with an exhaust end communicated with an air inlet end of the air supply pipe.
Through adopting above-mentioned scheme, the gas supply jar provides combustible gas, and combustible gas gets into in the flame gun via the air supply pipe, and then the flame gun produces high temperature flame, burns the inflammable impurity such as timber, shredded paper and plastics in the building waste and burns and burn into dust or gas and volatilize.
A raw material classification device of recycled concrete still includes:
and a feeding hole of the air separation mechanism is communicated with a discharging hole of the second crushing mechanism and is used for blowing away mixed light impurities.
Through adopting above-mentioned technical scheme, the selection by winnowing mechanism can blow away the inflammable piece that produces after the secondary crushing or the less dust of density, further reduces the impurity in the raw materials of recycled concrete, and then improves the raw materials quality of recycled concrete.
A raw material classification device of recycled concrete still includes:
and a feed inlet of the third crushing mechanism is communicated with a discharge outlet of the winnowing mechanism.
Through adopting above-mentioned technical scheme, when the raw materials of the more meticulous recycled concrete of needs, the third crushing mechanism can be with the further refinement of recycled aggregate, and then improves the quality of recycled aggregate finished product.
Optionally, the third crushing mechanism is an impact sand making machine.
By adopting the technical scheme, the impact type sand making machine can make the recycled aggregate with larger grain diameter into the recycled sand which is finer compared with the recycled coarse aggregate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the staff throws building waste into first crushing mechanism and carries out preliminary breakage, then building waste carries through conveying mechanism, and at the in-process that building waste was carried, the metal thing separation in with the building waste of deironing mechanism is come out for retrieving. The screening mechanism screens and classifies the construction waste, the second crushing mechanism is used for secondarily crushing the screened construction waste with larger grain size, and the combustion mechanism can ignite and burn inflammable impurities in the raw materials of the recycled concrete on the conveying mechanism to change the inflammable substances into dust or gas for volatilization, so that the impurities such as wood, support plates, plastics and the like mixed in the raw materials of the recycled concrete are reduced, and the quality of the recycled concrete raw materials is improved;
2. the scraper bowl on the mounting bracket can turn over the material in carrying, makes the construction waste and the metal object that are located the lower floor turned over, and subsequent deironing operation of being convenient for, the further quality that improves the raw materials of recycled concrete.
Drawings
Fig. 1 is a schematic overall structure diagram of a raw material sorting apparatus for recycled concrete according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a conveying mechanism and parts mounted on the conveying mechanism in an embodiment of the application.
Description of reference numerals:
1. a first crushing mechanism; 2. a conveying mechanism; 200. a support; 201. a belt conveyor; 21. a mounting frame; 22. a bucket; 3. a deironing mechanism; 4. a screening mechanism; 5. a second crushing mechanism; 6. a combustion mechanism; 41. washing the vibrating screen with water; 42. a dryer; 61. a flame gun; 62. a gas supply pipe; 63. an air supply tank; 7. a winnowing mechanism; 8. and a third crushing mechanism.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
Generally, the raw materials of recycled concrete are obtained by recycling construction waste and then performing two-stage crushing, iron removal and screening operations, but impurities such as plastics, wood chips or shredded paper can still exist in the raw materials of the recycled concrete which is only subjected to the two-stage crushing, iron removal and screening operations, the impurities can affect the quality of finished products of the raw materials of the recycled concrete, and the quality indexes mainly include concrete consolidation strength, consolidation duration and the like after mixing cement and water. Therefore, the embodiment of the application provides a raw material sorting device for recycled concrete, so as to obtain the principle of recycled concrete with less impurities and better quality.
Referring to fig. 1, the embodiment of the application discloses a raw material sorting device for recycled concrete, which comprises a first crushing mechanism 1 for primarily crushing construction waste, a conveying mechanism 2 with a feed inlet communicated with a discharge outlet of the first crushing mechanism 1 and used for conveying the crushed construction waste, an iron removing mechanism 3 arranged on the conveying mechanism 2 and used for separating and recycling metal substances in the construction waste, a screening mechanism 4 with a feed inlet communicated with a discharge end of the conveying mechanism 2 and used for separating dregs in the construction waste, a second crushing mechanism 5 with a feed inlet communicated with a discharge outlet of the screening mechanism 4, and a combustion mechanism 6 arranged in the second crushing mechanism 5 and used for removing inflammable impurities in raw materials of the recycled concrete in the second crushing mechanism 5. The construction waste is firstly sent to the first crushing mechanism 1 for primary crushing, so that metals such as reinforcing steel bars and corner fittings are separated from the concrete waste, then the crushed construction waste is conveyed to the screening mechanism 4 by the conveying mechanism 2 for screening, in the conveying process, the iron removing mechanism 3 separates metal articles, the construction waste subjected to iron removing operation enters the second crushing mechanism 5 for secondary crushing, so that the particle size of the concrete waste is smaller, and the construction waste particles subjected to secondary crushing are subjected to combustion action of the combustion mechanism 6 to mix plastics in the construction waste particles,
Specifically, the first crushing mechanism 1 may be a jaw crusher, and generally, the feed inlet of the first crushing mechanism 1 is located on the ground, and for this purpose, an independent basement for installing the first crushing mechanism 1 should be provided below the ground.
Referring to fig. 1 and 2, the conveying mechanism 2 includes a support 200 installed on the bottom surface of the basement, a belt conveyor 201 fixedly connected to the support 200, the belt conveyor 201 is fixedly connected to the support 200 in an inclined manner, a feed port of the belt conveyor 201 is communicated with a discharge port of the first crushing mechanism 1, and the discharge port of the first crushing mechanism 1 is generally located right above a conveying belt at a feed position of the belt conveyor 201. In a possible embodiment of the present application, the belt conveyor 201 may be a chain slat conveyor, which can separate a part of the muck powder from the recycled coarse aggregate in the construction waste during transportation, so that the recycled aggregate made of the construction waste has better quality.
Referring to fig. 2, the iron removing mechanism 3 may be a self-discharging type iron remover, the iron removing mechanism 3 may be mounted on the bracket 200 of the conveying mechanism 2 by means of bolt connection, and the iron removing portion of the iron removing mechanism 3 spans over the conveyor belt of the belt conveyor 201, when the construction waste is moved by the belt conveyor 201 and passes under the iron removing mechanism 3, the iron removing mechanism 3 adsorbs metal objects in the construction waste, such as reinforcing steel bars, iron angle irons and the like, and finally unloads and throws the metal objects in the directions of both sides of the belt conveyor 201 and finally recovers the metal objects by workers.
Referring to fig. 1, the screening mechanism 4 includes a washing vibrating screen 41 with a feed inlet communicated with a discharge outlet of the conveying mechanism 2 and a dryer 42 arranged on the washing vibrating screen 41, the feed inlet of the washing vibrating screen 41 is located in the discharge outlet of the belt conveyor 201 of the conveying mechanism 2, and the feed inlet of the washing vibrating screen 41 is specifically arranged below the belt conveyor 201 and used for receiving construction waste falling from the belt conveyor 201. The construction waste after the primary crushing and iron removal operation is separated in the washing vibrating screen 41, the recycled aggregates with different specifications are screened out and discharged in a classified manner for stacking, and some coarser recycled aggregates fall into the second crushing mechanism 5 for secondary crushing. The washing vibrating screen 41 drives the materials on the vibrating screen surface in the vibrating box body to be in a rolling suspension active state by using an exciting force generated by the rotation of the eccentric vibrator, and then sprays cleaning water on the materials, so that the purposes of desliming and cleaning are achieved, dregs and burnt dust in building materials are cleaned, and the quality of recycled aggregate is better. The drying machine 42 can be a hot air drying machine, the drying machine 42 is installed on the washing vibrating screen 41 at the position of the uppermost discharge port, and the drying machine 42 can blow dry the moisture on the construction waste discharged from the discharge port of the washing vibrating screen 41, so that the subsequent secondary crushing operation of the construction waste is facilitated.
Referring to fig. 1, the second crushing mechanism 5 may be a 250-fine jaw crusher, and the feed inlet of the second crushing mechanism 5 is communicated with the uppermost discharge opening of the sieving mechanism 4, and specifically, the feed inlet of the second crushing mechanism 5 is located below the uppermost discharge opening of the sieving mechanism 4 and receives coarse aggregates discharged from the uppermost discharge opening of the sieving mechanism 4. Generally, the first crushing mechanism 1 can receive the building waste material feed with the size of less than 550 mm, the size of the building waste material is controlled to be less than 100 mm after being crushed by the first crushing mechanism 1, the second crushing mechanism 5 can receive the building waste material feed with the size of less than 100 mm, and the granularity of the mixture after being crushed by the second crushing mechanism 5 can be reduced to be less than 60 mm.
Referring to fig. 1 and 2, the combustion mechanism 6 includes a flame gun 61 mounted on a support 200 of the conveying mechanism 2, an air supply pipe 62 having an exhaust end communicated with an air inlet end of the flame gun 61, and an air supply tank 63 having an exhaust end communicated with an air inlet end of the air supply pipe 62, wherein the air supply tank 63 is capable of supplying combustible gas to the flame gun 61 via the air supply pipe 62 and finally generating open fire to be sprayed onto the construction waste conveyed on the belt conveyor 201, so that the combustible materials such as paper scraps, wood chips or plastics in the construction waste are combusted and finally become dust-like materials, which are separated in the subsequent screening mechanism 4, and a part of dust falls from a gap between conveying plates of the belt conveyor 201 during the transportation on the belt conveyor 201 and is finally separated from the construction waste.
Referring to fig. 2, in other possible embodiments of the present application, in order to make the metal objects pressed by the construction waste to the lower side during the construction waste transportation by the transportation mechanism 2 turned to the upper side, and further to make the iron removal operation of the iron removal mechanism 3 more convenient and the iron removal effect better, a plurality of transversely arranged mounting frames 21 are fixedly installed on the support 200 of the transportation mechanism 2 by welding or bolting, a bucket 22 for reversing the transported material is installed on the mounting frame 21, the bucket 22 is installed on the mounting frame 21, one end of the bucket 22 is disposed obliquely downward, when the construction waste is transported by the belt conveyor 201, the bottom end of the bucket 22 is located between the transported construction waste pile and the transportation plate of the belt conveyor 201, so that the bucket 22 can turn the construction material at the bottom end and the portion near the bottom end during the upward movement of the material, the metal object in the building material pile is turned out, so that the iron removing mechanism 3 can conveniently absorb the metal object.
Referring to fig. 1 and fig. 2, further, for making the deironing effect of deironing mechanism 3 better, the quantity of deironing mechanism 3 sets up to the multiunit, in this application embodiment, the quantity of deironing mechanism 3 is three groups and along construction waste direction of delivery equipartition on conveying mechanism 2's support 200, makes the deironing effect better through the many times deironing operation of multiunit deironing mechanism 3.
Referring to fig. 1, in other possible embodiments of the present application, in order to further separate the dregs or dust in the construction waste and further improve the quality of the recycled aggregate, the raw material sorting apparatus for recycled concrete disclosed in this embodiment of the present application further includes an air separation mechanism 7, the air separation mechanism 7 may be a positive pressure air separator, a feed inlet of the air separation mechanism 7 is communicated with a discharge outlet of the second crushing mechanism 5, and the air separation mechanism 7 performs air separation on the aggregate discharged from the second crushing mechanism 5, so that the lightweight materials such as dust in the construction waste are blown away.
Referring to fig. 1, in another embodiment of the present application, in order to make the particle size of the recycled aggregate made of construction waste smaller and to make the quality of the recycled aggregate better for processing stones from cement and rotary blocks and further improving the quality of the recycled aggregate, the difference from the above embodiment is that the embodiment discloses a raw material sorting apparatus for recycled concrete further comprising a third crushing mechanism 8, in this embodiment, the third crushing mechanism 8 may be a vertical shaft impact type sand making machine, a feed port of the third crushing mechanism 8 is communicated with a discharge port of the air separation mechanism 7, and a feed port of the third crushing mechanism 8 is specifically configured to be located below the discharge port of the air separation mechanism 7 and to receive the recycled aggregate discharged from the discharge port of the air separation mechanism 7. In general, the third crushing mechanism 8 forms 20% to 30% of regenerated sand during the crushing process, and the components of the regenerated sand are relatively complex, namely, the stone sand separated from concrete, the components of cement and brick, and even some soil impurities. Therefore, it is recommended to use the reclaimed sand after cleaning.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A raw material classification device for recycled concrete, comprising:
the first crushing mechanism (1) is used for crushing the construction waste;
the feeding hole of the conveying mechanism (2) is communicated with the discharging hole of the first crushing mechanism (1) and is used for conveying the crushed construction waste;
the iron removal mechanism (3) is arranged on the conveying mechanism (2) and is used for separating and recycling metal substances in the construction waste;
the feeding hole of the screening mechanism (4) is communicated with the discharging end of the conveying mechanism (2) and is used for screening and classifying the construction waste;
the feed inlet of the second crushing mechanism (5) is communicated with the discharge outlet of the screening mechanism (4); and
and the combustion mechanism (6) is arranged on the conveying mechanism (2) and is used for igniting and burning inflammable impurities in the raw materials of the recycled concrete conveyed on the conveying mechanism (2).
2. The apparatus for classifying recycled concrete raw materials according to claim 1, wherein: the conveying mechanism (2) is provided with an installation frame (21), and the installation frame (21) is provided with a bucket (22) used for turning over the conveyed materials.
3. The apparatus for classifying recycled concrete raw materials according to claim 1, wherein: the quantity of the iron removing mechanisms (3) is multiple groups and is arranged on the conveying mechanism (2) at intervals along the conveying direction of the construction waste.
4. The apparatus for classifying recycled concrete raw materials according to claim 1, wherein: screening mechanism (4) include feed inlet and conveying mechanism (2) the bin outlet intercommunication wash shale shaker (41) and establish drying-machine (42) on wash shale shaker (41).
5. The apparatus for classifying recycled concrete raw materials according to claim 1, wherein: the combustion mechanism (6) comprises a flame gun (61) arranged on the conveying mechanism (2), an air supply pipe (62) with an exhaust end communicated with the air inlet end of the flame gun (61), and an air supply tank (63) with an exhaust end communicated with the air inlet end of the air supply pipe (62).
6. The apparatus for classifying recycled concrete raw materials according to claim 1, further comprising:
and the feeding hole of the air separation mechanism (7) is communicated with the discharging hole of the second crushing mechanism (5) and is used for blowing away the mixed light impurities.
7. The apparatus for classifying recycled concrete raw materials according to claim 6, further comprising:
and a feed inlet of the third crushing mechanism (8) is communicated with a discharge outlet of the winnowing mechanism (7).
8. The apparatus for classifying recycled concrete raw materials according to claim 7, wherein: and the third crushing mechanism (8) is an impact sand making machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394442.3U CN216605555U (en) | 2021-12-29 | 2021-12-29 | Recycled concrete's raw materials sorter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394442.3U CN216605555U (en) | 2021-12-29 | 2021-12-29 | Recycled concrete's raw materials sorter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216605555U true CN216605555U (en) | 2022-05-27 |
Family
ID=81686113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123394442.3U Expired - Fee Related CN216605555U (en) | 2021-12-29 | 2021-12-29 | Recycled concrete's raw materials sorter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216605555U (en) |
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2021
- 2021-12-29 CN CN202123394442.3U patent/CN216605555U/en not_active Expired - Fee Related
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