CN117205826A - Sand and stone granulating system - Google Patents
Sand and stone granulating system Download PDFInfo
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- CN117205826A CN117205826A CN202311116426.9A CN202311116426A CN117205826A CN 117205826 A CN117205826 A CN 117205826A CN 202311116426 A CN202311116426 A CN 202311116426A CN 117205826 A CN117205826 A CN 117205826A
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- 239000004576 sand Substances 0.000 title claims abstract description 185
- 239000004575 stone Substances 0.000 title claims description 53
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000005469 granulation Methods 0.000 claims description 32
- 230000003179 granulation Effects 0.000 claims description 32
- 238000001125 extrusion Methods 0.000 claims description 25
- 238000012216 screening Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 description 7
- 238000005034 decoration Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The application relates to the technical field of granulating systems, and discloses a sand granulating system, which comprises a sand supply device, a sand supply device and a sand control device, wherein the sand supply device comprises a common supply mode and a multiple supply mode; the crushing device is provided with a crushing cavity for accommodating and supplying sand, a first material level sensor is arranged at the lower position of the crushing cavity, the first material level sensor is used for detecting the sand at the position, a second material level sensor is arranged at the upper position of the crushing cavity, and the second material level sensor is used for detecting the sand at the position; a granulating device having a granulating cavity for accommodating crushed sand or supplying sand, the granulating cavity having therein a granulating structure for crushing sand in the granulating cavity to form briquettes, a control device for performing a control operation of a normal supply mode of the sand supplying device, and a control operation for operating the granulating device; control operations of the sand supply device in the multiple supply mode, the crushing device, and the granulating device are executed.
Description
Technical Field
The application relates to the technical field of granulating systems, in particular to a sand granulating system.
Background
With the improvement of the living standard and the progress of scientific technology, the living environment is continuously improved. The building industry is growing faster and faster. Architectural decoration is an abbreviation for architectural decoration and fitment engineering. The building decoration is various treatment processes for the inner and outer surfaces and the space of the building by adopting decoration material or ornaments for protecting the main structure of the building, improving the physical properties of the building, using functions and beautifying the building. Architectural decoration is an indispensable part of people's life.
Sand is commonly used in building finishing, and sand refers to a loose mixture of sand and broken stone. And the sand and stone granulation is a treatment process for crushing sand and stone to form briquettes, and the sand and stone are granulated, so that the obtained granular product is more full and firm, has a finer structure and is beneficial to subsequent production and transportation.
However, in the prior art, sand and gravel are transported and put into a granulator, the granulator is started to crush sand and gravel to obtain granules, however, because the sizes of the sand and gravel are different, the sizes of the granules produced by the granulator are also uneven, in order to solve the technical problems, chinese patent document (publication No. CN 215278378U) discloses sand and gravel classification screening equipment for masonry mortar production, which comprises an equipment main body, the top of the equipment main body is provided with a feeding port equipment main body, a dust collector is fixedly arranged at the top of the dust collector, a dust collection pipe is fixedly arranged at one side of the dust collector, motor equipment is fixedly arranged at the bottom of the equipment main body, a rotating shaft is fixedly arranged at one end of the motor equipment, stirring blades are fixedly arranged on the upper surface of the rotating shaft, a first screening layer is fixedly arranged in the equipment main body, and a second screening layer is fixedly arranged in the equipment main body.
Therefore, before the sand and gravel pelletization, the technology can carry out sand and gravel size screening through sand and gravel grading screening equipment, sand and gravel with different granularity sizes are inconsistent in action, sand and gravel with different sizes are classified, and then are put into a pelleting machine according to requirements to carry out pelleting treatment, however, when a large amount of sand and gravel are required to carry out pelleting, screening classification is carried out before the large amount of sand and gravel pelleting, sand and gravel cannot be immediately pelletized, so that pelleting time can be greatly prolonged, the whole processing period is prolonged, and cost is increased.
Disclosure of Invention
The application aims to provide a sand and stone granulating system, which solves the technical problems that when a large amount of sand and stone is required to be granulated, screening and classification are required before the large amount of sand and stone is required to be granulated, and sand and stone cannot be immediately granulated, so that the granulating time is greatly prolonged, the whole processing period is prolonged, and the cost is increased in the prior art.
In order to achieve the above purpose, the application adopts the following technical scheme: a sand granulation system comprising:
a sand supply device that includes a normal supply mode and a multiple supply mode, and supplies sand through either of the normal supply mode and the multiple supply mode, in which a supply amount is preset, the supply amount in the normal supply mode being larger than the supply amount in the multiple supply mode;
the crushing device is provided with a receiving part for receiving the sand supplied by the supply device and a crushing cavity for containing the sand supplied by the supply device, a first material level sensor is arranged in the crushing cavity at the lower position of the crushing cavity and used for detecting the sand at the position, and a second material level sensor is arranged at the upper position of the crushing cavity and used for detecting the sand at the position; the crushing cavity is internally provided with a crushing fluted disc for crushing sand and stone, and the bottom of the crushing cavity is provided with a discharge hole for outputting the crushed sand and stone;
the granulating device is provided with an input part for receiving the crushed sand or the supplied sand of the crushing device and a granulating cavity for accommodating the crushed sand or the supplied sand, wherein the granulating cavity is internally provided with a granulating structure for crushing the sand of the granulating cavity to form briquettes, and the bottom of the granulating cavity is communicated with a discharging channel;
and a control device that performs a control operation of a normal supply mode of the sand supply device and a control operation of operating the granulating device when the first level sensor detects that the sand does not reach the position of the first level sensor; when the second level sensor detects that the sand does not reach the position of the second level sensor and the first level sensor detects that the sand reaches the position of the first level sensor, a control operation of a multiple-supply mode of the sand supply device, a control operation of operating the crushing device, and a control operation of operating the granulating device are performed.
In the present application thus constituted, when the first level sensor detects that the sand does not reach the position of the first level sensor, the control operation of the normal supply mode of the sand supply device and the control operation of the granulating device are performed, and the crushing device is stopped, and the sand supply device supplies the sand to the crushing device in a fixed amount by the supply amount of the normal supply mode, and at this time, the sand located in the crushing device is not crushed by the crushing fluted disc but enters the granulating device along with the discharge port of the crushing device, the granulating structure of the granulating device performs the granulating process on the sand in the normal supply mode, and the granulated formed briquettes are discharged through the discharge passage.
When the second level sensor detects that the sand does not reach the position of the second level sensor, the control operation of the sand supply device in the multiple supply mode, the control operation of the crushing device and the control operation of the granulating device are executed, the sand supply device quantitatively supplies sand to the crushing device through the supply amount of the multiple supply mode, the crushing fluted disc of the crushing device crushes a large amount of sand, and the crushed sand enters the granulating device through the discharge hole of the crushing device.
Compared with the prior art, the sand and stone crushing device directly crushes sand and stone, the sand and stone is not required to be screened and classified, the sand and stone can be directly crushed and then granulated, the granulating time is not prolonged, and the granulating uniformity is also ensured. Meanwhile, the control is performed on the granulating quantity of sand, the normal feeding mode and the multiple feeding mode are selected through the fact that sand fed into the crushing device is located at the height position of the crushing cavity, when the sand in the crushing cavity is located at the position of the first material level sensor, the normal feeding mode and the granulating device are started, when the sand in the crushing cavity is located at the position of the second material level sensor, the multiple feeding mode, the crushing device and the granulating device are started, so that the sand quantity input into the granulating device can be accurately controlled, and meanwhile selective crushing is performed according to the sand quantity, and therefore, granulating uniformity can be guaranteed still under the condition that the sand quantity is large.
Further, the granulating structure comprises an extruding shaft, wherein the extruding shaft is fixedly provided with an extruding screw pulp along the axial direction of the extruding shaft, the extruding screw pulp is used for crushing supplied sand and stone to form briquettes, the tail end of the extruding shaft is in transmission connection with a driving mechanism, a common extruding granulating mode and a high-speed extruding granulating mode are preset in the driving mechanism, the common extruding granulating mode is matched with a common supplying mode, and the high-speed extruding granulating mode is matched with a large-amount supplying mode; in the normal extrusion granulation mode, the extrusion screw is driven at a preset normal rotation speed to supply sand in the normal supply mode to form briquettes, and in the high extrusion granulation mode, the extrusion screw is driven at a preset high rotation speed higher than the normal rotation speed to supply sand in the multiple supply mode to form briquettes.
The granulation apparatus in the present embodiment includes a normal extrusion granulation mode in which a billet is formed at a normal rotational speed set in advance and a high-speed extrusion granulation mode in which a billet is formed at a rotational speed higher than the normal rotational speed, and forms a billet using any one of these extrusion granulation modes; therefore, the rotating speed of the extrusion screw in the granulating structure can be controlled according to the quantity of the sand, the supply quantity of the sand is accurately controlled, and meanwhile, the energy consumption is saved.
Further, the apparatus further comprises a screening device disposed in the discharge passage of the granulating device, and having a plurality of holes having diameters smaller than a standard size of a predetermined briquette.
In the present application thus constituted, the sand containing the briquettes discharged from the granulating device is classified into the standard-sized briquettes which do not pass through the hole portion of the screen device and the sand which does not meet the standard size and pass through the hole portion of the screen device. Therefore, the sand and stone which does not meet the standard size is remained in the granulating structure, and the sand and stone are repeatedly crushed and granulated, so that the yield of sand and stone granulation can be improved.
Further, the crushing fluted disc comprises an outer ring and an inner ring sleeved in an inner hole of the outer ring, the outer ring and the inner ring are in an integrated structure through compounding, a plurality of crushing teeth are uniformly distributed on the outer ring along the circumferential direction by taking a circle center as a center point, and the front profile of each crushing tooth is a cambered surface.
In the scheme, the outer ring and the inner ring are combined into an integrated structure, the whole fluted disc is not provided with a connecting bolt, the maintenance times can be reduced during working, the production efficiency is improved, and the installation and the processing are convenient.
Compared with the prior art, the application has the following technical effects:
according to the application, granulation control is realized according to different sand and stone amounts through the sand and stone amounts at the positions of the first material level sensor and the second material level sensor, wherein when the first material level sensor detects that sand and stone does not reach the position of the first material level sensor, a common extrusion granulation mode is adopted to carry out granulation in combination with a common supply mode, a granulation device is independently started, and extrusion screw common rotating speed crushing is carried out on small amount of sand and stone through the granulation device to form briquettes; when the second material level sensor detects that the sand and stone does not reach the position of the second material level sensor and the first material level sensor detects that the sand and stone reaches the position of the first material level sensor, the high-speed extrusion granulation mode is combined with the multi-quantity supply mode to carry out granulation, the crushing device and the granulating device are started, the sand and stone with a large quantity are directly crushed, the sand and stone are not required to be screened and classified, the sand and stone can be directly crushed and then granulated, the granulating time is not prolonged, and the granulating uniformity is also ensured. Meanwhile, the screening device and the return device at the discharging channel can return sand and stone passing through the hole part of the screening device into the crushing cavity through the return device, so that crushing and granulating are repeated, raw material waste is reduced, and production cost is reduced.
Drawings
FIG. 1 is a block diagram of a sand granulation system according to the present application;
FIG. 2 is an overall block diagram of a sand granulation system according to the present application.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the sand supply device 1, the crushing device 2, the granulating device 3, the second level sensor 4, the first level sensor 5, the feed wheel 6, the conveying device 7, the receiving part 8, the crushing fluted disc 9, the rotating shaft 10, the discharging hole 11, the input part 12, the extrusion screw 13, the extrusion shaft 14, the discharge passage 15, the hole part 17 and the second driving motor 18.
This embodiment: referring to fig. 1 and 2, a sand and stone granulating system comprises a sand and stone supplying device 1, a crushing device 2, a granulating device 3 and a control device, wherein the sand and stone supplying device 1 comprises a sand and stone supplying box for storing sand and stone and a variable speed motor, the top of the sand and stone supplying box is a feeding hole, the bottom of the sand and stone supplying box is a discharging hole, a feeding wheel 6 is rotatably connected at the discharging hole, a plurality of storage arc plates are welded on the feeding wheel 6 along the outer circumference direction, a shaft hole of the feeding wheel 6 is coaxially connected with an output shaft of the variable speed motor, the variable speed motor is electrically connected with the control device, and the rotation number of the feeding wheel 6 per unit time is controlled by the control device.
The sand supply device 1 is provided with a normal supply mode and a multiple supply mode, and supplies sand in either the normal supply mode or the multiple supply mode, and supplies a supply amount in both the normal supply mode and the multiple supply mode, the supply amount in the normal supply mode being larger than the supply amount in the multiple supply mode. Therefore, in the present embodiment, the sand supply device 1 can switch between the normal supply mode and the multiple supply mode by using the variable speed motor to drive the rotation number of the supply wheel 6 per unit time.
In the normal supply mode, the rotating speed of the feeding wheel 6 is driven at a preset normal speed, so that the sand and stone in each storage arc plate on the feeding wheel 6 corresponds to a discharge port, and a preset supply amount is supplied per unit time through the discharge port; in this multiple feed mode, the rotational speed of the feed wheel 6 is driven at a speed higher than the normal speed, so that the amount of sand fed per unit time through the discharge ports is larger than the normal amount corresponding to the discharge ports in each of the stock arcuate plates on the feed wheel 6.
A conveying device 7 is arranged below the discharge hole at the bottom of the sand and stone supply box, the conveying device 7 comprises a driving wheel, a driven wheel and a servo motor for driving the driving wheel to rotate, a conveying belt is wound between the driving wheel and the driven wheel, the conveying belt conveys sand and stone towards the direction of the crushing device 2, and the crushing device 2 is positioned below the tail end of the conveying belt along the conveying direction.
Wherein the crushing device 2 comprises a receiving part 8 for receiving the sand supplied by the supply device and a crushing cavity for containing the sand, a first material level sensor 5 is arranged in the crushing cavity at the lower position of the crushing cavity, the first material level sensor 5 is used for detecting the sand at the position, a second material level sensor 4 is arranged at the upper position of the crushing cavity, and the second material level sensor 4 is used for detecting the sand at the position; the crushing cavity is internally provided with a crushing fluted disc 9 for crushing sand and stone, and the bottom of the crushing cavity is provided with a discharge hole 11 for outputting the crushed sand and stone.
Wherein, crushing intracavity swivelling joint has axis of rotation 10, and axis of rotation 10 is connected with the output shaft of the first driving motor in the breaker 2, and crushing fluted disc 9 includes outer lane and the inner circle of suit in the outer lane hole, and outer lane and inner circle are integrated into an organic whole structure through the complex, and the outer lane regards the centre of a circle as the central point along circumferencial direction equipartition and arranges a plurality of crushing teeth, and the tooth front profile of crushing tooth is the cambered surface.
In the scheme, the outer ring and the inner ring are combined into an integrated structure, the whole fluted disc is not provided with a connecting bolt, the maintenance times can be reduced during working, the production efficiency is improved, and the installation and the processing are convenient.
The granulating device 3 is provided with an input part 12 for receiving the crushed sand and the supplied sand of the crushing device 2, the input part 12 corresponds to the discharge hole 11 of the crushing cavity, meanwhile, the granulating device 3 adopts a granulator for accommodating the crushed sand and the supplied sand of the granulating cavity, the granulating cavity is internally provided with a granulating structure for crushing the sand of the granulating cavity to form briquettes, and the bottom of the granulating cavity is communicated with a discharge channel.
And a control device that performs a control operation of the normal supply mode of the sand supply device 1 and a control operation of operating the granulating device 3 when the first level sensor 5 detects that sand does not reach the position of the first level sensor 5; when the second level sensor 4 detects that the sand does not reach the position of the second level sensor 4 and the first level sensor detects that the sand reaches the position of the first level sensor, a control operation of the large-amount supply mode of the sand supply device 1, a control operation of operating the crushing device 2, and a control operation of operating the granulating device 3 are performed.
Preferably, the granulating structure comprises an extruding shaft 14, the extruding shaft 14 is fixedly provided with an extruding screw 13 along the axial direction of the extruding shaft, the extruding screw 13 is used for crushing supplied sand and stone to form briquettes, the tail end of the extruding shaft 14 is in transmission connection with a driving mechanism, the driving mechanism is a second driving motor 18, the second driving motor 18 is electrically connected with a control device and is used for realizing setting of a common extruding granulating mode and a high-speed extruding granulating mode, the common extruding granulating mode is matched with a common supplying mode, and the high-speed extruding granulating mode is matched with a multiple supplying mode; in the normal extrusion granulation mode, the extrusion screw 13 is driven at a preset normal rotation speed to supply sand in the normal supply mode to form briquettes, and in the high extrusion granulation mode, the extrusion screw is driven at a preset high rotation speed higher than the normal rotation speed to supply sand in the multiple supply mode to form briquettes.
The granulation apparatus 3 in the present embodiment includes a normal extrusion granulation mode in which a billet is formed at a normal rotational speed set in advance, and a high-speed extrusion granulation mode in which a billet is formed at a rotational speed higher than the normal rotational speed, and forms a billet using any one of these extrusion granulation modes; therefore, the rotation speed of the extrusion screw 13 in the granulating structure can be controlled according to the quantity of sand, the supply quantity of sand can be accurately controlled, and the consumption of energy sources can be saved.
Preferably, the granulating apparatus further comprises a screening device disposed in the discharge passage 15 of the granulating apparatus 3, and formed with a plurality of holes 17 having a diameter smaller than a standard size of a predetermined briquette.
In the present application thus constituted, the sand containing the briquettes discharged from the granulating apparatus 3 is classified into the standard-sized briquettes which do not pass through the hole 17 of the screen apparatus and the sand which do not meet the standard size and pass through the hole 17 of the screen apparatus. Therefore, the sand and stone which does not meet the standard size is remained in the granulating structure, and the sand and stone are repeatedly crushed and granulated, so that the yield of sand and stone granulation can be improved.
When the first level sensor detects that the sand does not reach the position of the first level sensor, the control operation of the large-amount supply mode of the sand supply device 1, the control operation of the crushing device 2, and the control operation of the granulating device 3 are executed, and the sand supply device 1 quantitatively supplies sand to the crushing device 2 by the supply amount of the large-amount supply mode, and the crushing fluted disc 9 of the crushing device 2 crushes a large amount of sand and then enters the granulating device 3 through the discharge port 11 of the crushing device 2.
Compared with the prior art, the sand and stone crushing device directly crushes sand and stone through the crushing device 2, the sand and stone is not required to be screened and classified, the sand and stone can be directly crushed and then granulated, the granulating time is not prolonged, and the granulating uniformity is also ensured. At the same time, control is made over the amount of sand to be granulated, and by selecting the normal feed mode and the multiple feed mode by the sand fed into the crushing device 2 at the height position of the crushing chamber, the normal feed mode and the granulating device 3 are started when the first level sensor detects that the sand does not reach the position of the first level sensor, and the multiple feed mode, the crushing device 2 and the granulating device 3 are started when the second level sensor detects that the sand does not reach the position of the second level sensor and the first level sensor detects that the sand reaches the position of the first level sensor, so that the amount of sand fed into the granulating device 3 can be accurately controlled, and at the same time, selective crushing is performed according to the amount of sand, and therefore, in the case that the amount of sand is large, uniformity of granulation can still be ensured.
The foregoing is merely exemplary of the present application and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, and these should also be regarded as the protection scope of the present application, which does not affect the effect of the implementation of the present application and the practical applicability of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (4)
1. A sand granulation system, comprising:
a sand supply device that includes a normal supply mode and a multiple supply mode, and supplies sand through either of the normal supply mode and the multiple supply mode, in which a supply amount is preset, the supply amount in the normal supply mode being larger than the supply amount in the multiple supply mode;
the crushing device is provided with a receiving part for receiving the sand supplied by the supply device and a crushing cavity for containing the sand supplied by the supply device, a first material level sensor is arranged in the crushing cavity at the lower position of the crushing cavity and used for detecting the sand at the position, and a second material level sensor is arranged at the upper position of the crushing cavity and used for detecting the sand at the position; the crushing cavity is internally provided with a crushing fluted disc for crushing sand and stone, and the bottom of the crushing cavity is provided with a discharge hole for outputting the crushed sand and stone;
the granulating device is provided with an input part for receiving the crushed sand or the supplied sand of the crushing device and a granulating cavity for accommodating the crushed sand or the supplied sand, wherein the granulating cavity is internally provided with a granulating structure for crushing the sand of the granulating cavity to form briquettes, and the bottom of the granulating cavity is communicated with a discharging channel;
and a control device that performs a control operation of a normal supply mode of the sand supply device and a control operation of operating the granulating device when the first level sensor detects that the sand does not reach the position of the first level sensor; when the second level sensor detects that the sand does not reach the position of the second level sensor and the first level sensor detects that the sand reaches the position of the first level sensor, a control operation of a multiple-supply mode of the sand supply device, a control operation of operating the crushing device, and a control operation of operating the granulating device are performed.
2. A sand granulation system according to claim 1, wherein: the granulating structure comprises an extruding shaft, wherein the extruding shaft is fixedly provided with an extruding screw pulp along the axial direction of the extruding shaft, the extruding screw pulp is used for crushing supplied sand and stone to form briquettes, the tail end of the extruding shaft is in transmission connection with a driving mechanism, a common extruding granulating mode and a high-speed extruding granulating mode are preset in the driving mechanism, the common extruding granulating mode is matched with a common supplying mode, and the high-speed extruding granulating mode is matched with a multiple supplying mode; in the normal extrusion granulation mode, the extrusion screw is driven at a preset normal rotation speed to supply sand in the normal supply mode to form briquettes, and in the high extrusion granulation mode, the extrusion screw is driven at a preset high rotation speed higher than the normal rotation speed to supply sand in the multiple supply mode to form briquettes.
3. A sand granulation system according to claim 1, wherein: the apparatus further comprises a screening device which is arranged in the discharge passage of the granulating device and is provided with a plurality of holes with diameters smaller than the standard size of the preset briquettes.
4. A sand granulation system according to claim 1, wherein: the crushing fluted disc comprises an outer ring and an inner ring sleeved in an inner hole of the outer ring, the outer ring and the inner ring are in an integrated structure through compounding, a plurality of crushing teeth are uniformly distributed on the outer ring along the circumferential direction by taking a circle center as a center point, and the tooth front profile of each crushing tooth is a cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311116426.9A CN117205826A (en) | 2023-08-31 | 2023-08-31 | Sand and stone granulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311116426.9A CN117205826A (en) | 2023-08-31 | 2023-08-31 | Sand and stone granulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117205826A true CN117205826A (en) | 2023-12-12 |
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ID=89047209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311116426.9A Pending CN117205826A (en) | 2023-08-31 | 2023-08-31 | Sand and stone granulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117205826A (en) |
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2023
- 2023-08-31 CN CN202311116426.9A patent/CN117205826A/en active Pending
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