CN220071932U - Sand and stone production system - Google Patents
Sand and stone production system Download PDFInfo
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- CN220071932U CN220071932U CN202321585051.6U CN202321585051U CN220071932U CN 220071932 U CN220071932 U CN 220071932U CN 202321585051 U CN202321585051 U CN 202321585051U CN 220071932 U CN220071932 U CN 220071932U
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- 239000004576 sand Substances 0.000 title claims abstract description 345
- 239000004575 stone Substances 0.000 title claims abstract description 238
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 86
- 238000005406 washing Methods 0.000 claims abstract description 27
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000012216 screening Methods 0.000 claims description 70
- 239000000428 dust Substances 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 24
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000227 grinding Methods 0.000 description 15
- 238000007873 sieving Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of sand production, and particularly relates to a sand production system, which comprises a stone production line for stone preparation, a sand production line for sand preparation, and a sand production line connected to the stone production line and the tail end of the sand production line and used for sand preparation; the stone production line comprises a stone primary crushing area, a stone secondary crushing area and a stone tertiary crushing area, wherein the stone primary crushing area, the stone secondary crushing area and the stone tertiary crushing area are used for crushing stones step by step; the sand production line comprises a sand primary crushing area, a sand secondary crushing area and a sand tertiary crushing area which are used for crushing sand step by step, and a sand washing area which is adjacent to the sand tertiary crushing area and used for cleaning the sand. The sand production system can improve the accuracy of the proportion of stones and sand materials in the sand finished product, effectively ensure the stability of the structural performance of the sand, and effectively meet the requirements of construction cost and quality.
Description
Technical Field
The utility model belongs to the technical field of sand production, and particularly relates to a sand production system.
Background
Sand is a loose mixture of sand and crushed stone, and is often used as a high-quality building material and concrete raw material due to its good hardness and stable chemical properties, and is widely applied to the fields of houses, roads, highways, railways, engineering and the like.
In the prior art, the sand and stone is generally prepared by directly crushing and sieving sand and stone raw materials. For example, patent application CN107737662a, entitled sand production line, discloses a technique for preparing sand using a crusher, a vibrating screen, and a sand making machine. The sand prepared by the method only meets the particle size limitation of the sand and the related standard specified by national standards, so that the proportion of the prepared sand, stone and sand is not limited precisely, and the problem of unstable structural performance of the sand is easy to exist.
Therefore, a technology capable of accurately controlling the proportion of stones and sand materials in sand and effectively guaranteeing the stability of the structural performance of the sand and the stone is developed, and has important influence on controlling construction cost and guaranteeing construction quality.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a sand and stone production system, which utilizes the combination of a stone production line, a sand and stone production line and a sand and stone production line to produce and prepare sand and stone, compared with sand and stone products prepared by direct crushing and screening in the prior art, the sand and stone production system can improve the accuracy of the proportion of stone and sand in sand and stone finished products so as to effectively ensure the stability of the structural performance of the sand and stone, and the proportion of stone and sand can be adjusted according to different construction requirements so as to effectively meet the requirements of construction cost and quality.
The technical effects to be achieved by the utility model are realized by the following technical scheme:
the sand production system comprises a stone production line for stone preparation, a sand production line for sand preparation, and a sand production line connected to the stone production line and the tail end of the sand production line and used for sand preparation; wherein,
the stone production line comprises a stone primary crushing area, a stone secondary crushing area and a stone tertiary crushing area which are used for crushing stones step by step; the sand production line comprises a sand primary crushing area, a sand secondary crushing area and a sand tertiary crushing area which are used for crushing sand step by step, and a sand washing area which is adjacent to the sand tertiary crushing area and used for cleaning the sand.
As one preferable scheme, the stone primary crushing zone, the stone secondary crushing zone and the stone tertiary crushing zone comprise stone crushing devices for crushing stones, stone dust removing devices which are arranged corresponding to the stone crushing devices, and stone conveying lines for conveying stones.
As one preferable mode, the stone crushing device reduces the crushing grain size step by step in the stone primary crushing zone, the stone secondary crushing zone and the stone tertiary crushing zone.
As a preferred embodiment, the secondary stone crushing zone and the tertiary stone crushing zone further comprise stone screening devices connected to the stone crushing devices for screening stone, and stone return lines connected to the stone screening devices for transporting unsieved stone.
As one preferable scheme, the screening particle sizes of the stone screening device in the stone secondary crushing zone and the stone tertiary crushing zone are gradually reduced.
As one preferable scheme, the sand primary crushing zone, the sand secondary crushing zone and the sand tertiary crushing zone comprise sand crushing devices for crushing sand, sand dust removing devices which are arranged corresponding to the sand crushing devices, sand screening devices which are connected with the sand crushing devices, and sand conveying lines and sand return lines which are connected with the sand screening devices.
As one preferable scheme, the grinding particle size of the sand material grinding device in the sand material primary grinding area, the sand material secondary grinding area and the sand material tertiary grinding area is gradually reduced.
As one preferable scheme, the screening particle sizes of the sand screening device in the sand primary crushing zone, the sand secondary crushing zone and the sand tertiary crushing zone are gradually reduced.
As one preferable scheme, the sand washing area comprises a spiral feeding machine for feeding sand, and a water washing screening device, an impeller sand washing device, a dewatering screening device and a sand recycling device which are sequentially connected to the spiral feeding machine.
As one preferable scheme, the sand production line comprises a sand mixing area for proportioning and mixing stones and sand according to product requirements, and a delivery area connected with the sand mixing area and used for storing sand in a partitioned manner.
In summary, the present utility model has at least the following advantages:
according to the sand and stone production system, the sand and stone production line and the sand and stone production line are combined to produce and prepare sand and stone, compared with sand and stone products prepared by direct crushing and screening in the prior art, the accuracy of the proportion of the sand and stone in the sand and stone finished product can be improved, so that the stability of the structural performance of the sand and stone is effectively ensured, and the proportion of the sand and stone can be adjusted according to different construction requirements, so that the requirements of construction cost and quality can be effectively compatible.
Drawings
FIG. 1 is a schematic view of the overall structure of a sand production system according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of a sand washing area according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a sand production line according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of the first stage crushing zone of stone in an embodiment of the present utility model;
FIG. 5 is a schematic view showing the structure of a stone secondary crushing zone and a stone tertiary crushing zone in the embodiment of the utility model;
FIG. 6 is a schematic structural view of a first-stage grinding zone, a second-stage grinding zone and a third-stage grinding zone for sand in an embodiment of the utility model.
Reference numerals:
10. the stone production line, 11, a stone primary crushing area, 111, a primary stone crushing device, 112, a primary stone dust removing device, 113, a primary stone conveying line, 12, a stone secondary crushing area, 121, a secondary stone crushing device, 122, a secondary stone dust removing device, 123, a secondary stone screening device, 124, a secondary stone conveying line, 125, a secondary stone return line, 13, a stone tertiary crushing area, 131, a tertiary stone crushing device, 132, a tertiary stone dust removing device, 133, a tertiary stone screening device, 134, a tertiary stone conveying line, 135, a tertiary stone return line;
20. the sand production line, 21, a sand primary crushing area, 211, a primary sand crushing device, 212, a primary sand dedusting device, 213, a primary sand screening device, 214, a primary sand conveying line, 215, a primary sand return line, 22, a sand secondary crushing area, 221, a secondary sand crushing device, 222, a secondary sand dedusting device, 223, a secondary sand screening device, 224, a secondary sand conveying line, 225, a secondary sand return line, 23, a sand tertiary crushing area, 231, a tertiary sand crushing device, 232, a tertiary sand dedusting device, 233, a tertiary sand screening device, 234, a tertiary sand conveying line, 235, a tertiary sand return line, 24, a sand washing area, 241, a spiral feeder, 242, a water washing screening device, 243, an impeller sand washing device, 244, a dewatering screening device, 245 and a sand recovery device;
30. the sand production line, 31, the grit mixing area, 311, grit mixing arrangement, 32, go out the goods district, 321, store storehouse, 322, grit transfer chain.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Example 1:
referring to fig. 1, the sand production system in this embodiment includes a stone production line 10 for stone preparation, a sand production line 20 for sand preparation, and a sand production line 30 for sand preparation connected to the ends of the stone production line 10 and the sand production line 20. Wherein the stone production line 10 includes a stone primary crushing zone 11, a stone secondary crushing zone 12, and a stone tertiary crushing zone 13 for crushing stone step by step; the sand production line 20 comprises a sand primary crushing zone 21, a sand secondary crushing zone 22 and a sand tertiary crushing zone 23 for crushing sand step by step, and a sand washing zone 24 adjacent to the sand tertiary crushing zone 23 for washing sand. The sand production line 30 includes a sand mixing zone 31 for mixing and proportioning stones and sand according to product requirements, and a delivery zone 32 connected to the sand mixing zone 31 for sand zonal storage.
Further, the stone primary crushing zone 11, the stone secondary crushing zone 12 and the stone tertiary crushing zone 13 each include a stone crushing device for stone crushing, a stone dust removing device for crushing dust removal, which are disposed in correspondence to the stone crushing device, and a stone conveyor line for stone transportation. Preferably, the stone crusher has crushed particle sizes in the stone primary crushing zone 11, the stone secondary crushing zone 12, and the stone tertiary crushing zone 13 that are gradually reduced. To improve the quality of stone production, further, the stone secondary crushing zone 12 and the stone tertiary crushing zone 13 further comprise stone screening devices connected to the stone crushing devices for screening stones, and stone return lines connected to the stone screening devices for transporting unsieved stones; and the screening particle sizes of the stone screening device in the stone secondary crushing zone 12 and the stone tertiary crushing zone 13 are reduced step by step.
Further, the first-stage grinding area 21, the second-stage grinding area 22 and the third-stage grinding area 23 for the sand materials comprise a grinding device for grinding the sand materials, a dust removing device for the sand materials, a screening device for the sand materials, a sand material conveying line and a sand material return line, wherein the dust removing device for the sand materials is arranged corresponding to the grinding device for the sand materials, the screening device for the sand materials is connected with the grinding device for the sand materials, and the sand material conveying line and the sand material return line are connected with the screening device for the sand materials. Preferably, the crushing grain sizes of the sand crushing devices in the sand primary crushing zone 21, the sand secondary crushing zone 22 and the sand tertiary crushing zone 23 are gradually reduced; the screening particle sizes of the sand screening device in the sand primary crushing area 21, the sand secondary crushing area 22 and the sand tertiary crushing area 23 are gradually reduced.
Referring further to fig. 2, the sand washing zone 24 includes a screw feeder 241 for feeding sand, a water washing and screening device 242 connected to the screw feeder 241 for water washing and screening of sand, an impeller sand washing device 243 connected to the water washing and screening device 242 for sand washing, a dewatering screen device 244 connected to the impeller sand washing device 243 for dewatering of sand, and a sand recycling device 255 connected to the dewatering screen device 244 for sand recycling.
Referring to fig. 3, the sand production line 30 includes a sand mixing device 311 disposed in a sand mixing area 31 for mixing stones and sand according to product requirements, a storage bin 321 disposed in a delivery area 32 for storing sand in different areas, and a sand conveying line 322 connected between the sand mixing device 311 and the storage bin 321 for conveying sand.
The grit production system in this embodiment can smash and sieve stone and sand material step by step respectively, guarantees the quality of stone and sand material that is used for the ratio grit finished product to the stability of effectual assurance grit structural performance can carry out accurate ratio to stone and sand material according to the construction demand of difference moreover, with the demand of can effectual compatible construction cost and quality.
Example 2:
referring to fig. 1 to 3, the sand production system of this embodiment is the same as that of embodiment 1, and includes a stone production line 10 for stone preparation, a sand production line 20 for sand preparation, and a sand production line 30 for sand preparation connected to the ends of the stone production line 10 and the sand production line 20. Wherein the stone production line 10 includes a stone primary crushing zone 11, a stone secondary crushing zone 12, and a stone tertiary crushing zone 13 for crushing stone step by step; the sand production line 20 comprises a sand primary crushing zone 21, a sand secondary crushing zone 22 and a sand tertiary crushing zone 23 for crushing sand step by step, and a sand washing zone 24 adjacent to the sand tertiary crushing zone 23 for washing sand. The sand production line 30 includes a sand mixing zone 31 for mixing and proportioning stones and sand according to product requirements, and a delivery zone 32 connected to the sand mixing zone 31 for sand zonal storage. The main difference is that the present embodiment further designs the stone primary crushing zone 11, the stone secondary crushing zone 12 and the stone tertiary crushing zone 13 on the basis of embodiment 1, and the specific designs are as follows:
referring further to fig. 4, the stone primary crushing zone 11 includes a primary stone crushing device 111 for crushing stone raw materials, a primary stone dust removing device 112 provided corresponding to the primary stone crushing device 111 for crushing dust removal, and a primary stone conveyor line 113 connected between the primary stone crushing device 111 and the stone secondary crushing zone 12 for stone transportation.
Referring further to fig. 6, the stone secondary crushing zone 12 includes a secondary stone crushing device 121 for crushing crushed stone, a secondary stone dust removing device 122 disposed corresponding to the secondary stone crushing device 121 for crushing and dust removing, a secondary stone screening device 123 connected to the secondary stone crushing device 121 for screening stone, a secondary stone conveyor line 124 connected between the secondary stone screening device 123 and the stone tertiary crushing zone 13 for conveying stone, and a secondary stone return line 125 connected to the secondary stone screening device 123 for conveying unsieved stone. The stone tertiary crushing zone 13 includes a tertiary stone crushing device 131 for re-crushing crushed stone, a tertiary stone dust removal device 132 provided corresponding to the tertiary stone crushing device 131 for crushing and dust removal, a tertiary stone screening device 133 connected to the tertiary stone crushing device 131 for stone screening, a tertiary stone conveyor line 134 connected between the tertiary stone screening device 133 and the stone mixing zone 31 for stone transportation, and a tertiary stone return line 135 connected to the tertiary stone screening device 133 for non-screened stone transportation.
Preferably, the primary stone crusher 111 is a gyratory crusher, and the particle size of stone is less than or equal to 20cm after crushing by the primary stone crusher 111; the secondary stone crushing device 121 and the tertiary stone crushing device 131 are stirring crushers, the secondary stone screening device 123 and the tertiary stone screening device 133 are vibration screening devices, and after crushing by the secondary stone crushing device 121 and screening by the secondary stone screening device 123, the particle size of stone is less than or equal to 10cm, and after crushing by the tertiary stone crushing device 131 and screening by the tertiary stone screening device 133, the particle size of stone is less than or equal to 5cm.
Example 3:
referring to fig. 1 to 5, the sand production system of this embodiment is the same as that of embodiment 1 or 2, and includes a stone production line 10 for stone preparation, a sand production line 20 for sand preparation, and a sand production line 30 for sand preparation connected to the ends of the stone production line 10 and the sand production line 20. Wherein the stone production line 10 includes a stone primary crushing zone 11, a stone secondary crushing zone 12, and a stone tertiary crushing zone 13 for crushing stone step by step; the sand production line 20 comprises a sand primary crushing zone 21, a sand secondary crushing zone 22 and a sand tertiary crushing zone 23 for crushing sand step by step, and a sand washing zone 24 adjacent to the sand tertiary crushing zone 23 for washing sand. The sand production line 30 includes a sand mixing zone 31 for mixing and proportioning stones and sand according to product requirements, and a delivery zone 32 connected to the sand mixing zone 31 for sand zonal storage. The main difference is that the present embodiment further designs the sand primary crushing zone 21, the sand secondary crushing zone 22 and the sand tertiary crushing zone 23 based on the embodiment 1, and the specific designs are as follows:
referring further to fig. 6, the sand primary crushing zone 21 includes a primary sand crushing device 211 for performing primary crushing treatment on the sand raw material, a primary sand dust removing device 212 disposed corresponding to the primary sand crushing device 211 for crushing dust removal, a primary sand screening device 213 connected to the primary sand crushing device 211 for screening sand, a primary sand conveying line 214 connected between the primary sand screening device 213 and the sand secondary crushing zone 22 for conveying sand, and a primary sand return line 215 connected to the primary sand screening device 213 for conveying non-screened sand.
The sand secondary crushing zone 22 includes a secondary sand crushing device 221 for performing secondary crushing treatment on sand, a secondary sand dust removing device 222 which is arranged corresponding to the secondary sand crushing device 221 and is used for crushing dust removal, a secondary sand screening device 223 which is connected with the secondary sand crushing device 221 and is used for screening sand, a secondary sand conveying line 224 which is connected between the secondary sand screening device 223 and the sand tertiary crushing zone 23 and is used for conveying sand, and a secondary sand return line 225 which is connected with the secondary sand screening device 223 and is used for conveying non-screened sand.
The sand three-stage crushing zone 23 comprises a three-stage sand crushing device 231 for performing three-stage crushing treatment on sand, a three-stage sand dust removing device 232 which is arranged corresponding to the three-stage sand crushing device 231 and used for crushing and dust removing, a three-stage sand screening device 233 which is connected with the three-stage sand crushing device 231 and used for screening sand, a three-stage sand conveying line 234 which is connected between the three-stage sand screening device 233 and the sand washing zone 24 and used for conveying sand, and a three-stage sand return line 235 which is connected with the three-stage sand screening device 233 and used for conveying sand which is not screened.
Preferably, the primary sand pulverizing device 211, the secondary sand pulverizing device 221 and the tertiary sand pulverizing device 231 are stirring pulverizers, and the primary sand sieving device 213, the secondary sand sieving device 223 and the tertiary sand sieving device 233 are vibration sieving devices; after being crushed by the primary sand crushing device 211 and sieved by the primary sand sieving device 213, the grain diameter of the sand is less than or equal to 10mm; after being crushed by the secondary sand crushing device 221 and sieved by the secondary sand sieving device 223, the grain diameter of the sand is less than or equal to 5mm; after being crushed by the three-stage sand crushing device 231 and sieved by the three-stage sand sieving device 233, the particle size of the sand is less than or equal to 2mm.
According to the technical scheme of the embodiment, the utility model provides the sand production system, the accuracy of the proportion of stones and sand materials in the sand finished product can be improved, so that the stability of the structural performance of the sand is effectively ensured, and the proportion of stones and sand materials can be adjusted according to different construction requirements, so that the requirements of construction cost and quality can be effectively compatible.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.
Claims (10)
1. A sand production system, comprising a stone production line for stone preparation, a sand production line for sand preparation, and a sand production line for sand preparation connected to the stone production line and the end of the sand production line; wherein,
the stone production line comprises a stone primary crushing area, a stone secondary crushing area and a stone tertiary crushing area which are used for crushing stones step by step;
the sand production line comprises a sand primary crushing area, a sand secondary crushing area and a sand tertiary crushing area which are used for crushing sand step by step, and a sand washing area which is adjacent to the sand tertiary crushing area and used for cleaning the sand.
2. The sand production system of claim 1, wherein the stone primary crushing zone, the stone secondary crushing zone, and the stone tertiary crushing zone each include a stone crushing device for stone crushing, a stone dust removal device provided in correspondence with the stone crushing device, and a stone conveyor line for stone transportation.
3. The sand production system of claim 2, wherein the stone crusher has a stepwise decrease in crushed grain size in the stone primary crushing zone, the stone secondary crushing zone, and the stone tertiary crushing zone.
4. The sand production system of claim 2 wherein the secondary and tertiary stone crushing sections further comprise stone screening means connected to the stone crushing means for screening stone and stone return lines connected to the stone screening means for the transport of unsieved stone.
5. The sand production system of claim 4 wherein the stone screening device has progressively smaller screened particle sizes in the stone secondary crushing zone and the stone tertiary crushing zone.
6. The sand production system of claim 1, wherein the first stage sand crushing zone, the second stage sand crushing zone, and the third stage sand crushing zone each comprise a sand crushing device for crushing sand, a sand dust removal device disposed in correspondence with the sand crushing device, a sand screening device connected to the sand crushing device, and a sand conveying line and a sand return line connected to the sand screening device.
7. The sand production system of claim 6 wherein the sand crushing device is configured to reduce the crushed particle size in the sand primary crushing zone, the sand secondary crushing zone, and the sand tertiary crushing zone.
8. The sand production system of claim 6 wherein the sand screening device has progressively smaller screening particle sizes in the sand primary crushing zone, the sand secondary crushing zone, and the sand tertiary crushing zone.
9. The sand production system of claim 1, wherein the sand washing zone comprises a screw feeder for feeding sand, and a water washing screening device, an impeller sand washing device, a dewatering screening device and a sand recovery device sequentially connected to the screw feeder.
10. The sand production system of claim 1, wherein the sand production line includes a sand mixing zone for proportioning and mixing the sand and stone according to product requirements, and a delivery zone connected to the sand mixing zone for separate storage of sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585051.6U CN220071932U (en) | 2023-06-20 | 2023-06-20 | Sand and stone production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585051.6U CN220071932U (en) | 2023-06-20 | 2023-06-20 | Sand and stone production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220071932U true CN220071932U (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321585051.6U Active CN220071932U (en) | 2023-06-20 | 2023-06-20 | Sand and stone production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220071932U (en) |
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2023
- 2023-06-20 CN CN202321585051.6U patent/CN220071932U/en active Active
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