CN113578507B - Efficient dust-proof pulverizer system - Google Patents
Efficient dust-proof pulverizer system Download PDFInfo
- Publication number
- CN113578507B CN113578507B CN202110921915.6A CN202110921915A CN113578507B CN 113578507 B CN113578507 B CN 113578507B CN 202110921915 A CN202110921915 A CN 202110921915A CN 113578507 B CN113578507 B CN 113578507B
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- feeding
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- annular
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The application provides a high-efficiency dust-proof pulverizer system, which comprises a base, a main machine case, a main stirring cavity, a feeding cavity and a discharging cavity, wherein the main machine case is provided with a main stirring cavity; the top of the feeding cavity is provided with a feeding hole, the feeding hole is internally provided with a feeding ash-preventing baffle component, the bottom of the feeding cavity is connected with a blanking pipe, the side end surface of the blanking pipe is provided with an upper air pump component and an upper ash filtering cavity, the air inlet end of the upper air pump component is communicated with an upper dust suction hole arranged at the bottom of the feeding cavity, the air outlet end of the upper air pump component is communicated with the upper ash filtering cavity, the inside of the feeding cavity is provided with two upper rotating shafts, and three feeding guide sheets are arranged on each upper rotating shaft; through setting up pan feeding cavity and ejection of compact cavity to set up pan feeding mouth, pan feeding ash prevention baffle part etc. on pan feeding cavity and ejection of compact cavity and can carry out fine ash prevention processing in reinforced and ejection of compact, can rotate the pan feeding cavity through setting up the orbit of annular spout such as unloading pipe, main tributary strut simultaneously, thereby realize the regulation to reinforced position, in order to adapt to different service scenarios.
Description
Technical Field
The application particularly relates to a high-efficiency dust-proof pulverizer system.
Background
The pulverizer is a machine for pulverizing a large-sized solid raw material to a desired size. The pulverizer consists of coarse crushing, fine crushing, wind power conveying and other devices, and the purpose of the pulverizer is achieved in a high-speed impact mode; existing pulverizers often produce a great deal of dust during use, particularly during charging and discharging, so that there is an urgent need for an efficient dust-proof pulverizer system to solve this problem.
Disclosure of Invention
The present application aims to solve the above-mentioned problems by providing a high-efficiency dust-proof pulverizer system, which solves the problems described above, in view of the disadvantages of the prior art.
In order to meet the requirements, the application adopts the following technical scheme: the efficient dustproof pulverizer system comprises a base, a main machine box, a main stirring cavity, a feeding cavity and a discharging cavity; the top of the feeding cavity is provided with a feeding hole, a feeding ash-preventing baffle component is arranged in the feeding hole, the bottom of the feeding cavity is connected with a blanking pipe, the side end face of the blanking pipe is provided with an upper air pump component and an upper ash filtering cavity, the air inlet end of the upper air pump component is communicated with an upper dust suction hole arranged at the bottom of the feeding cavity, the air outlet end of the upper air pump component is communicated with the upper ash filtering cavity, two upper rotating shafts are arranged in the feeding cavity, and three feeding guide sheets are arranged on the upper rotating shafts; the outer side end face of the main stirring cavity is sleeved with an annular supporting ring, two annular sliding grooves are formed in the annular supporting ring, a side sliding block sliding along the annular sliding grooves is arranged in each annular sliding groove, an opening is formed in the top of the main stirring cavity, a first annular groove is formed in the inner end face of the opening, the bottom of the discharging pipe is communicated with the top of the material guiding pipe, an inner limiting ring is arranged at the bottom of the material guiding pipe, a main limiting annular steel ring embedded in the first annular groove is arranged at the bottom of the inner limiting ring, a circular sealing groove is formed above the inner limiting ring, a second annular groove is formed in the outer side end face of the inner limiting ring, an annular protrusion embedded in the second annular groove is formed in the inner end face of the circular sealing groove, and the circular sealing groove is fixed outside the material guiding pipe; the main machine box is internally provided with a main telescopic motor, the output end at the bottom of the main telescopic motor is connected with the upper end face of the base, the top of the main machine box is provided with a side supporting plate, the upper end face of the side supporting plate is provided with an annular sliding groove, an adjusting sliding block sliding along the annular sliding groove is arranged on the annular sliding groove, the top of the adjusting sliding block is connected with the bottom of the blanking pipe through a main supporting column, the main supporting column is provided with an upper auxiliary supporting rod and a lower auxiliary supporting rod which are respectively connected with the two side sliding blocks, the outer end face of the main machine box is provided with a vertical side sliding rail, the side sliding rail is internally provided with a side sliding block sliding along the side sliding rail, and the bottom of the side sliding block is connected with the upper end face of the base through a lower supporting rod; the bottom of the discharging cavity is provided with a main discharging pipe, the outer side end face of the main discharging pipe is provided with a lower ash filtering cavity and a lower air pump component, the air inlet end of the lower air pump component is communicated with a lower dust suction port arranged at the bottom of the side end face of the discharging cavity, the air outlet end of the lower air pump component is communicated with the lower ash filtering cavity, the side end face of the main machine box is provided with a lower connecting rod connected with the main discharging pipe, and the bottom of the side end face of the main stirring cavity is provided with a lower conduit component communicated with the discharging cavity; the feeding ash-proof baffle component comprises a main metal steel ring, four sector rubber sheets are arranged on the inner side of the main metal steel ring, and the sector rubber sheets are connected with the inner side end face of the main metal steel ring through rubber sheet rotating shafts.
The high-efficiency dust-proof pulverizer system has the following advantages:
through setting up pan feeding cavity and ejection of compact cavity to set up pan feeding mouth, pan feeding ash prevention baffle part, go up the pivot, pan feeding guide vane, go up the dust absorption mouth, go up air pump part, go up the ash filtering cavity, main discharging pipe, ash filtering cavity down, air pump part down, dust absorption mouth down, side support plate, ejection of compact guide vane and lower pivot can carry out fine ash prevention when reinforced and ejection of compact and handle, simultaneously through setting up unloading pipe, main support column, go up auxiliary support pole, side slider, annular spout and adjusting slider can rotate the pan feeding cavity along the orbit of annular spout, thereby realize the regulation to reinforced position, in order to adapt to different service scenarios.
Drawings
The accompanying drawings, in which like reference numerals refer to identical or similar parts throughout the several views and which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application and not to limit the application unduly. In the drawings:
fig. 1 schematically shows a structural schematic diagram of a high-efficiency dust-proof pulverizer system according to an embodiment of the application.
Fig. 2 schematically illustrates a structural schematic at a circular seal groove of a high efficiency dust mill system according to one embodiment of the application.
Fig. 3 schematically illustrates a schematic of the structure at the feed ash baffle member of the high efficiency dust mill system according to an embodiment of the application.
Wherein: 1. a feeding cavity; 2. a feed inlet; 3. a feeding ash-preventing baffle component; 4. an upper rotating shaft; 5. feeding guide sheets; 6. an upper dust collection port; 7. an upper air pump part; 8. an upper ash filtering cavity; 9. a material guiding pipe; 10. discharging pipes; 11. a main support column; 12. an upper auxiliary supporting rod; 13. a side slider; 14. an annular chute; 15. a lower auxiliary supporting rod; 16. an annular support ring; 17. a main stirring cavity; 18. a main chassis; 19. a side rail; 20. a side slider; 21. a main telescopic motor; 22. an annular chute; 23. a stirring motor; 24. a lower support rod; 25. an adjusting slide block; 26. a base; 27. a lower connecting rod; 28. a main discharge pipe; 29. a lower ash filtering cavity; 30. a lower air pump part; 31. a discharging cavity; 32. a lower dust collection port; 33. a side support plate; 34. a discharging guide piece; 35. a lower rotating shaft; 36. a downcomer member; 37. a first annular groove; 38. an annular protrusion; 39. a second annular groove; 40. a main limiting annular steel ring; 41. a circular seal groove; 42. an inner limit ring; 43. a main metal steel ring; 44. a fan-shaped rubber sheet; 45. a rubber sheet rotating shaft.
Detailed Description
The present application will be described in further detail with reference to the drawings and the embodiments, in order to make the objects, technical solutions and advantages of the present application more apparent.
In the following description, references to "one embodiment," "an embodiment," "one example," "an example," etc., indicate that the embodiment or example so described may include a particular feature, structure, characteristic, property, element, or limitation, but every embodiment or example does not necessarily include the particular feature, structure, characteristic, property, element, or limitation. In addition, repeated use of the phrase "according to an embodiment of the application" does not necessarily refer to the same embodiment, although it may.
Certain features have been left out of the following description for simplicity, which are well known to those skilled in the art.
According to one embodiment of the present application, there is provided a high efficiency dust mill system, as shown in fig. 1-3, comprising a base 26, a main housing 18, a main stirring chamber 17, a feeding chamber 1 and a discharging chamber 31; the top of pan feeding cavity 1 is equipped with pan feeding mouth 2, be equipped with pan feeding ash prevention baffle part 3 in the pan feeding mouth 2, pan feeding cavity 1 bottom has connect unloading pipe 10, be equipped with on the side terminal surface of unloading pipe 10 and go up air pump part 7 and go up ash filtering cavity 8, the inlet end of going up air pump part 7 with set up go up dust absorption mouth 6 intercommunication in pan feeding cavity 1 bottom, go up air pump part 7 go out the air end with go up ash filtering cavity 8 intercommunication, the inside two pivot 4 that are provided with of pan feeding cavity 1, all be equipped with three pan feeding guide piece 5 on the pivot 4.
According to one embodiment of the application, an annular supporting ring 16 is sleeved on the outer side end surface of a main stirring cavity 17 of the efficient dust-proof pulverizer system, two annular sliding grooves 14 are arranged on the annular supporting ring 16, side sliding blocks 13 sliding along the annular sliding grooves 14 are respectively arranged inside the annular sliding grooves 14, an opening is formed in the top of the main stirring cavity 17, a first annular groove 37 is formed in the inner end surface of the opening, the bottom of a discharging pipe 10 is communicated with the top of a material guiding pipe 9, an inner limiting ring 42 is arranged at the bottom of the material guiding pipe 9, a main limiting annular steel ring 40 embedded in the first annular groove 37 is arranged at the bottom of the inner limiting ring 42, a circular sealing groove 41 is formed above the inner limiting ring 42, a second annular groove 39 is formed in the outer side end surface of the inner limiting ring 42, an annular protrusion 38 embedded in the second annular groove 39 is formed in the inner end surface of the circular sealing groove 41, and the circular sealing groove 41 is fixed on the outer portion of the material guiding pipe 9.
According to one embodiment of the application, a main telescopic motor 21 is arranged inside a main case 18 of the efficient dust-proof pulverizer system, the bottom output end of the main telescopic motor 21 is connected with the upper end face of a base 26, a side support plate 33 is arranged at the top of the main case 18, an annular sliding groove 22 is arranged at the upper end face of the side support plate 33, an adjusting sliding block 25 sliding along the annular sliding groove 22 is arranged on the annular sliding groove 22, the top of the adjusting sliding block 25 is connected with the bottom of a blanking pipe 10 through a main support column 11, an upper auxiliary support rod 12 and a lower auxiliary support rod 15 respectively connected with two side slide blocks 13 are arranged on the main support column 11, a vertical side slide rail 19 is arranged at the outer end face of the main case 18, a side slide block 20 sliding along the side slide rail 19 is arranged in the side slide rail 19, and the bottom of the side slide block 20 is connected with the upper end face of the base 26 through a lower support rod 24.
According to one embodiment of the application, a main discharging pipe 28 is arranged at the bottom of a discharging cavity 31 of the efficient dust-proof pulverizer system, a lower ash filtering cavity 29 and a lower air pump component 30 are arranged on the outer side end face of the main discharging pipe 28, an air inlet end of the lower air pump component 30 is communicated with a lower dust suction opening 32 arranged at the bottom of the side end face of the discharging cavity 31, an air outlet end of the lower air pump component 30 is communicated with the lower ash filtering cavity 29, a lower connecting rod 27 connected with the main discharging pipe 28 is arranged on the side end face of the main case 18, and a lower guide pipe component 36 communicated with the discharging cavity 31 is arranged at the bottom of the side end face of the main stirring cavity 17.
According to one embodiment of the application, the feeding ash-preventing baffle component 3 of the high-efficiency dust-preventing pulverizer system comprises a main metal steel ring 43, wherein four fan-shaped rubber sheets 44 are arranged on the inner side of the main metal steel ring 43, and the fan-shaped rubber sheets 44 are connected with the inner side end face of the main metal steel ring 43 through rubber sheet rotating shafts 45.
According to one embodiment of the application, the discharge chamber 31 of the high-efficiency dust-proof pulverizer system is provided with a feed ash-preventing baffle member 3 at a position where it communicates with the downcomer member 36.
According to one embodiment of the present application, the upper auxiliary support rod 12 of the high efficiency dust mill system is positioned at a forty-five degree angle downward incline and the lower auxiliary support rod 15 is positioned at a forty-five degree angle upward incline.
According to one embodiment of the application, the upper ash filtering cavity 8 and the lower ash filtering cavity 29 of the high-efficiency dust-proof pulverizer system are both of a metal cavity structure with an air outlet at the bottom, and an ash filtering sheet or an ash filtering net is arranged at the air outlet.
According to an embodiment of the present application, the side support plate 33 of the efficient dust-proof pulverizer system is provided with a hole for passing through the discharging cavity 31, and the discharging cavity 31 is connected with the side support plate 33 at the hole, and the connection mode of the two is welding.
According to one embodiment of the application, the top of the side support plate 33 of the efficient dust-proof pulverizer system is provided with a stirring motor 23, and the output end of the top of the stirring motor 23 extends into the main stirring cavity 17 and is connected with a stirring member arranged inside the main stirring cavity 17.
According to one embodiment of the present application, the included angle between the three feeding guide pieces 5 provided on the upper rotating shaft 4 of the efficient dust-proof pulverizer system is one hundred twenty degrees, and the included angle between the three discharging guide pieces 34 provided on the lower rotating shaft 35 is one hundred twenty degrees.
According to one embodiment of the application, both the feed conduit 9 of the high efficiency dust mill system and the exterior of the downcomer member 36 are wrapped with soundproofing cotton.
According to one embodiment of the present application, the two upper rotating shafts 4 of the efficient dust-proof pulverizer system are disposed at equal heights, and the two lower rotating shafts 35 are disposed at equal heights.
According to one embodiment of the present application, the upper shaft 4 and the lower shaft 35 of the high efficiency dust pulverizer system are each a single shaft structure for allowing the top of the feed guide 4 and the discharge guide 34 to rotate inward.
According to one embodiment of the application, when the efficient dust-proof pulverizer system is used, the feeding cavity 1 can be rotated according to the requirement of a use situation, the main supporting column 11 and the adjusting slide block 25 at the bottom of the feeding cavity 1 can be rotated along the annular slide groove 22, so that the bottom of the feeding cavity 1 is supported when the feeding cavity 1 moves, and at the moment, the side sliding block 13 connected with the upper auxiliary supporting rod 12 and the lower auxiliary supporting rod 15 can be rotated along the annular slide groove 14; the material can be poured into the material through the material inlet 1 when the material is fed, the fan-shaped rubber sheet 44 can be turned downwards when the material falls on the fan-shaped rubber sheet 44, and the material can be automatically reset after falling (the rubber sheet rotating shaft 45 can realize an automatic reset rotating shaft structure or a rotating shaft structure with a torsion spring), so that the material in the first step can be dustproof, then the material falls above the two material inlet guide sheets 5, the two material inlet guide sheets 5 rotate, the material falls into the blanking pipe 10, the system of the two upper rotating shafts 4 and the material inlet guide sheets 5 can play a good role in blocking, dust cannot fly upwards from the middle of the two material inlet guide sheets (when the two material inlet guide sheets 5 are in a horizontal state, the edges of the two material inlet guide sheets 5 are contacted), and thus, the second dustproof treatment is performed when the material is fed, and meanwhile, the upper air pump part 7 sucks dust and discharges the dust into the upper ash filtering cavity 8 for collection, so that the dust-free treatment when the material inlet is further ensured; then the materials enter the main stirring cavity 17 for crushing, and enter the discharging cavity 31 for discharging through the downcomer component 36 after crushing, wherein the dust removal principle of discharging at the discharging cavity 31 is the same as that of feeding at the feeding cavity 1; meanwhile, the main telescopic motor 21 can meet the overall height of the device through a telescopic output end, so that the device is further suitable for different use scenes, and meanwhile, the lower support rod 24 can play a good supporting role on the side face.
According to one embodiment of the application, the high-efficiency dust-proof pulverizer system can perform good dust-proof treatment during feeding and discharging by arranging the feeding cavity 1 and the discharging cavity 31, arranging the feeding opening 2, the feeding dust-proof baffle component 3, the upper rotating shaft 4, the feeding guide piece 5, the upper dust collection opening 6, the upper air pump component 7, the upper ash filtering cavity 8, the main discharging pipe 28, the lower ash filtering cavity 29, the lower air pump component 30, the lower dust collection opening 32, the side support plate 33, the discharging guide piece 34 and the lower rotating shaft 35 on the feeding cavity 1 and the discharging cavity 31, and simultaneously rotating the feeding cavity 1 along the track of the annular slide groove 22 by arranging the feeding pipe 10, the main support column 11, the upper auxiliary support rod 12, the side slide block 13, the annular slide groove 14, the annular slide groove 22 and the regulating slide block 25, so that adjustment of the feeding position is realized to adapt to different use scenes.
The foregoing examples are merely representative of several embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the application, which are within the scope of the application. The scope of the application should therefore be pointed out with reference to the appended claims.
Claims (1)
1. A high efficiency dust protected shredder system, characterized by: comprises a base, a main machine box, a main stirring cavity, a feeding cavity and a discharging cavity;
the top of the feeding cavity is provided with a feeding hole, a feeding ash-preventing baffle component is arranged in the feeding hole, the bottom of the feeding cavity is connected with a blanking pipe, the side end face of the blanking pipe is provided with an upper air pump component and an upper ash filtering cavity, the air inlet end of the upper air pump component is communicated with an upper dust suction hole arranged at the bottom of the feeding cavity, the air outlet end of the upper air pump component is communicated with the upper ash filtering cavity, two upper rotating shafts are arranged in the feeding cavity, and three feeding guide sheets are arranged on the upper rotating shafts;
the device comprises a main stirring cavity, a main stirring ring, a first annular groove, a second annular groove, an annular protrusion, an inner end face of the annular groove, an inner limit ring and a circular seal groove, wherein the outer end face of the main stirring cavity is sleeved with the annular support ring, the annular support ring is provided with two annular grooves, the inner side of the annular groove is provided with the side sliding blocks sliding along the annular grooves, the top of the main stirring cavity is provided with an opening, the inner end face of the opening is provided with the first annular groove, the bottom of the blanking pipe is communicated with the top of the blanking pipe, the bottom of the blanking pipe is provided with the inner limit ring, the bottom of the inner limit ring is provided with the main limit annular steel ring embedded in the first annular groove, the upper part of the inner limit ring is provided with the circular seal groove, the outer end face of the inner limit ring is provided with the second annular groove, and the circular seal groove is fixed on the outer part of the blanking pipe;
the main telescopic motor is arranged inside the main case, the output end at the bottom of the main telescopic motor is connected with the upper end face of the base, a side supporting plate is arranged at the top of the main case, an annular sliding groove is arranged on the upper end face of the side supporting plate, an adjusting sliding block sliding along the annular sliding groove is arranged on the annular sliding groove, the top of the adjusting sliding block is connected with the bottom of the blanking pipe through a main supporting column, an upper auxiliary supporting rod and a lower auxiliary supporting rod which are respectively connected with the two side sliding blocks are arranged on the main supporting column, a vertical side sliding rail is arranged on the outer end face of the main case, a side sliding block sliding along the side sliding rail is arranged in the side sliding rail, and the bottom of the side sliding block is connected with the upper end face of the base through a lower supporting rod;
the bottom of the discharging cavity is provided with a main discharging pipe, the outer side end face of the main discharging pipe is provided with a lower ash filtering cavity and a lower air pump component, the air inlet end of the lower air pump component is communicated with a lower dust suction port arranged at the bottom of the side end face of the discharging cavity, the air outlet end of the lower air pump component is communicated with the lower ash filtering cavity, the side end face of the main machine box is provided with a lower connecting rod connected with the main discharging pipe, and the bottom of the side end face of the main stirring cavity is provided with a lower conduit component communicated with the discharging cavity;
the feeding ash-proof baffle component comprises a main metal steel ring, wherein four sector rubber sheets are arranged on the inner side of the main metal steel ring and are connected with the inner side end face of the main metal steel ring through rubber sheet rotating shafts;
a feeding ash-proof baffle plate component is arranged at the communication part of the discharging cavity and the downcomer component; the upper auxiliary supporting rod is arranged at a forty-five degree angle in a downward tilting manner, and the lower auxiliary supporting rod is arranged at a forty-five degree angle in an upward tilting manner; the upper ash filtering cavity and the lower ash filtering cavity are of metal cavity structures with air outlets at the bottoms, and ash filtering sheets or ash filtering nets are arranged at the air outlets; the side support plate is provided with a hole for passing through the discharging cavity, the discharging cavity is connected with the side support plate at the hole, and the connection mode of the discharging cavity and the side support plate is welding; the top of the side supporting plate is provided with a stirring motor, and the output end of the top of the stirring motor stretches into the main stirring cavity and is connected with a stirring part arranged in the main stirring cavity; the included angle between the three feeding guide sheets arranged on the upper rotating shaft is one hundred twenty degrees, and the included angle between the three discharging guide sheets arranged on the lower rotating shaft is one hundred twenty degrees; soundproof cotton is wrapped outside the material guide pipe and the lower conduit part; the two upper rotating shafts are arranged at equal heights, and the two lower rotating shafts are arranged at equal heights; the upper rotating shaft and the lower rotating shaft are single rotating shaft structures which enable the tops of the feeding guide piece and the discharging guide piece to rotate inwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921915.6A CN113578507B (en) | 2021-08-12 | 2021-08-12 | Efficient dust-proof pulverizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921915.6A CN113578507B (en) | 2021-08-12 | 2021-08-12 | Efficient dust-proof pulverizer system |
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| Publication Number | Publication Date |
|---|---|
| CN113578507A CN113578507A (en) | 2021-11-02 |
| CN113578507B true CN113578507B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110921915.6A Active CN113578507B (en) | 2021-08-12 | 2021-08-12 | Efficient dust-proof pulverizer system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113578506B (en) * | 2021-08-12 | 2023-08-11 | 四川科力特机械设备有限公司 | Efficient dust-proof pulverizer system convenient to adjust |
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| CN113578507A (en) | 2021-11-02 |
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