CN114309013B - Paper scrap recovery device for gypsum board production line - Google Patents
Paper scrap recovery device for gypsum board production line Download PDFInfo
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- CN114309013B CN114309013B CN202210006721.8A CN202210006721A CN114309013B CN 114309013 B CN114309013 B CN 114309013B CN 202210006721 A CN202210006721 A CN 202210006721A CN 114309013 B CN114309013 B CN 114309013B
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Abstract
The invention discloses a paper scrap recycling device for a gypsum board production line, which comprises a timing and quantitative discharging mechanism and a pulverizer, wherein a feeding end of the timing and quantitative discharging mechanism is communicated with a discharging hole of a rotary screen through a pipeline, the timing and quantitative discharging mechanism guides recycled waste materials into the pulverizer in a timing and quantitative manner to be crushed so as to enable the waste materials to enter a wok for secondary use in an equal amount, the timing and quantitative discharging mechanism comprises a storage cylinder, a rotating roller and a driving motor, the rotating roller is driven by the driving motor to rotate in an inner cavity of the storage cylinder so as to enable the rotating roller to guide the waste materials into the pulverizer, recycling of the waste materials is realized, the waste materials in the mixture are quantitatively and regularly added into the pulverizer through the timing and quantitative mechanism, and the paper scraps and gypsum in the mixture are mixed according to a fixed proportion, so that the phenomenon of uneven waste material addition is improved, the influence of uneven waste material addition on production modeling is reduced, and the quality of boards is improved.
Description
Technical Field
The invention relates to the technical field of gypsum board manufacturing, in particular to a paper scrap recovery device for a gypsum board production line.
Background
Some unqualified products can be produced in the production process of gypsum board, and are added into desulfurized gypsum for secondary use through crushing and secondary use, paper scraps and material blocks can be produced in the secondary use process and screened out through a rotary screen, and the paper scraps and the material blocks screened out at present are manually bagged for manual crushing, and crushed paper scraps and material blocks are conveyed to a wok for recycling through a crusher (with a blower) at a discharge port of the rotary screen, so that the influence of manual crushing labor and uneven addition of waste on production is reduced.
Therefore, in order to solve the problems, a paper scrap recovery device of a gypsum board production line is designed.
Disclosure of Invention
The invention aims to provide a paper scrap recovery device for a gypsum board production line, which aims to solve the problem of uneven waste material addition in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the utility model provides a gypsum board production line paper bits recovery unit, includes timing quantitative feed mechanism and rubbing crusher, the feed end of timing quantitative feed mechanism is linked together through the discharge gate of pipeline and rotary screen, timing quantitative feed mechanism will retrieve waste material and import of timing quantitative in rubbing crusher carries out the breakage so that waste material evenly equivalent gets into the secondary and utilizes in the frying pan.
As a preferable scheme of the invention, the timing and quantitative blanking mechanism comprises a storage cylinder, a rotating roller and a driving motor, wherein the storage cylinder is connected with the driving motor along the outer side wall in the length direction of the storage cylinder, a power output end of the driving motor extending into an inner cavity of the storage cylinder is connected with the rotating roller, one side of the rotating roller away from the power output end of the driving motor is rotationally connected with the side wall of the storage cylinder, and the rotating roller is driven by the driving motor to rotate in the inner cavity of the storage cylinder so as to guide waste materials into the pulverizer.
As a preferable scheme of the invention, the upper surface of the storage cylinder in the length direction of the storage cylinder is respectively provided with a material block feeding port and a paper scrap feeding port, the material block feeding port and the paper scrap feeding port are respectively communicated with a discharge port of the rotary screen, one side arc surface of the storage cylinder opposite to the material block feeding port and the paper scrap feeding port is provided with a waste outlet, and the waste outlet is connected with an inlet of the pulverizer;
the rotating roller is rotationally connected to the inner cavity of the storage cylinder, a material block storage groove and a paper scrap storage groove are respectively formed in the circumferential surface of the rotating roller along the length direction of the rotating roller, the material block storage groove and the paper scrap storage groove are respectively located on two sides of the central axis of the storage cylinder in the self direction, and the driving motor drives the storage cylinder to periodically rotate so that the material block storage groove and the paper scrap storage groove are respectively alternately communicated with the material block feeding port, the paper scrap feeding port and the waste outlet.
As a preferable scheme of the invention, the diameter of the rotating roller is smaller than that of the storage cylinder, a circular ring is arranged along the circumferential direction of the rotating roller between the feeding port of the material block and the feeding port of the paper scraps, and an annular groove matched with the circular ring is arranged in the inner cavity of the storage cylinder.
As a preferable scheme of the invention, an arc plate is arranged on the side wall of the inner cavity of the storage barrel at one side of the annular groove along the circumferential radian direction of the inner cavity, the arc plate is in face fit with the roller at the paper dust feeding port end, an adjusting roller is rotationally connected on the side wall of the inner cavity of the storage barrel at the other side of the annular groove along the circumferential radian direction of the inner cavity, and the adjusting roller is in face fit with the roller at the material block feeding port end.
As a preferable scheme of the invention, a sliding groove is formed in the inner cavity of the storage barrel at the feed port end of the material block along the center of the circular arc surface of the storage barrel, a guide post is connected in a sliding manner in the inner cavity of the sliding groove, an installation seat is connected to one end of the guide post, which is far away from the sliding groove, along the length direction of the rotating roller, the installation seat is rotationally connected with the adjusting roller along the inner cavity in the length direction of the installation seat, a telescopic spring sleeved on the guide post is connected between the side wall of the inner cavity of the storage barrel and the installation seat, and the adjusting roller is always attached to the rotating roller under the elastic deformation effect of the telescopic spring so as to reduce the clearance fit between the rotating roller and the storage barrel.
As a preferred embodiment of the present invention, the length of the waste outlet is greater than or equal to the sum of the lengths of the lump storing bath and the paper dust storing bath.
As a preferable scheme of the invention, the groove diameter of the material block storage groove is larger than that of the paper scrap storage groove, the groove depth of the material block storage groove is the same as that of the paper scrap storage groove, and the symmetrical axes of the material block storage groove and the paper scrap storage groove which are opposite to each other at two sides of the circular ring are overlapped with the axis of the material storage cylinder in the length direction.
Compared with the prior art, the invention has the following beneficial effects:
the recycling of the waste is realized, the waste mixture is quantitatively and regularly added into the pulverizer through the timing and quantifying mechanism, and paper scraps in the mixture are mixed with gypsum according to a fixed proportion, so that the phenomenon of uneven waste addition is improved, the influence of uneven waste addition on production modeling is reduced, and the quality of the board is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in this description are for the understanding and reading of the disclosure, and are not intended to limit the scope of the invention, which is defined by the claims, to any structural modifications, changes in proportions, or adjustments of sizes, which may be made without departing from the spirit and scope of the invention, which is otherwise, used in the practice of the invention, without the essential characteristics and advantages of the invention being otherwise, apparent from the description
FIG. 1 is a front view of a cross section of an overall structure provided by the present invention;
FIG. 2 is a front view of a section of a material block storage tank in the timing and quantitative blanking mechanism provided by the invention;
FIG. 3 is a front view of a cross section of a paper scrap storage tank in the timing and quantitative blanking mechanism provided by the invention;
FIG. 4 is a cross-sectional side view of the timing and quantitative blanking mechanism provided by the invention;
FIG. 5 is a schematic diagram of a part A amplifying mechanism according to the present invention;
FIG. 6 is a schematic view of a rotating roller structure according to the present invention;
reference numerals in the drawings are respectively as follows:
1. a timing and quantitative blanking mechanism; 2. a pulverizer; 3. a storage cylinder; 4. a rotating roller; 5. a driving motor; 6. a material block feeding port; 7. a paper scrap feeding port; 8. a waste outlet; 9. a material block storage tank; 10. a paper scrap storage tank; 11. a circular ring; 12. an annular groove; 13. an arc plate; 14. an adjusting roller; 15. a sliding groove; 16. a guide post; 17. a mounting base; 18. and a telescopic spring.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the invention provides a paper dust recycling device for a gypsum board production line, which comprises a timing and quantitative discharging mechanism 1 and a pulverizer 2, wherein the feeding end of the timing and quantitative discharging mechanism 1 is communicated with the discharging port of a rotary screen through a pipeline, the rotary screen is a round rotary screen, the round rotary screen is provided with a plurality of discharging ports, so that the paper dust and a material block can be conveniently split into separate pieces, and the timing and quantitative discharging mechanism 1 guides the recycled waste into the pulverizer 2 for crushing so as to lead the waste to be uniformly and equivalently put into a frying pan for secondary use.
Specifically, as shown in fig. 1 and 4, the timing and quantitative blanking mechanism 1 includes a storage cylinder 3, a rotating roller 4 and a driving motor 5, the storage cylinder 3 is connected with the driving motor 5 along the outer side wall in the length direction of the storage cylinder 3, the power output end of the driving motor 5 extending into the inner cavity of the storage cylinder 3 is connected with the rotating roller 4, one side of the rotating roller 4 away from the power output end of the driving motor 5 is rotationally connected with the side wall of the storage cylinder 3, and the rotating roller 4 is driven by the driving motor 5 to rotate in the inner cavity of the storage cylinder 3 so that the rotating roller 4 guides waste into the pulverizer 2.
The paper scraps and the material blocks are separated through the screening of the rotary screen, the separated paper scraps and the material blocks enter the material storage cylinder 3 through different outlets, the driving motor 5 drives the rotating roller 4 to rotate in the inner cavity of the material storage cylinder 3, the paper scraps and the material blocks are guided into the pulverizer along with the rotation of the rotating roller 4 to be pulverized, the pulverized mixed waste is guided into the wok to be secondarily recovered, and the blower is arranged in the pulverizer 2 to blow, so that the waste pulverized light waste is conveniently and rapidly guided into the wok.
In order to achieve the same proportion of paper dust and lumps into the cartridge and the same time interval for each addition of waste material, it is necessary to provide an embodiment for the specific construction of the cartridge.
Specifically, as shown in fig. 1-4, a material block feeding port 6 and a paper scrap feeding port 7 are respectively formed in the upper surface of the material storage cylinder 3 along the length direction of the material storage cylinder, the material block feeding port 6 and the paper scrap feeding port 7 are respectively communicated with a discharge port of a rotary screen, a waste outlet 8 is formed in an arc surface of one side of the material storage cylinder 3 opposite to the material block feeding port 6 and the paper scrap feeding port 7, and the waste outlet 8 is connected with an inlet of the pulverizer 2;
the rotating roller 4 is rotationally connected to the inner cavity of the storage cylinder 3, the rotating roller 4 is provided with a material block storage groove 9 and a paper scrap storage groove 10 along the circumferential surface in the length direction of the rotating roller 4, the material block storage groove 9 and the paper scrap storage groove 10 are respectively positioned on two sides of the central axis in the direction of the storage cylinder 3, and the driving motor drives the storage cylinder 3 to periodically rotate so that the material block storage groove 9 and the paper scrap storage groove 10 are respectively and alternately communicated with the material block feeding port 6, the paper scrap feeding port 7 and the waste outlet 8.
The paper scraps enter a paper scraps storage tank 10 in the rotating roller 4 along a paper scraps feeding hole 7, the material blocks enter a material block storage tank 9 in the rotating roller 4 along a material block feeding hole 6, the rotating roller 4 periodically rotates at any time, the paper scraps in the paper scraps storage tank 10 and the material blocks in the material block storage tank 9 are rotationally conveyed into a waste outlet 8, the paper scraps storage tank 10 and the material block storage tank 9 continue to rotate along with the rotating roller 4 after the waste is discharged, the paper scraps storage tank 10 and the material block storage tank 9 are respectively overlapped with the paper scraps feeding hole 7 and the material block feeding hole 6 for feeding, so that repeated feeding and discharging operations are realized, the material block storage tank 9 and the paper scraps storage tank 10 are arranged on the rotating roller 4 at intervals, therefore, the interval time of discharging is the same, and the discharging amount of each time is the same.
Furthermore, during discharging, the paper scraps and the material blocks are in a mixed state, so that the two discharge holes are not required to be independently arranged for discharging, and the paper scraps and the material blocks in the material block storage tank 9 and the paper scraps storage tank 10 are ensured to be completely discharged.
Specifically, as shown in fig. 4, the length of the scrap outlet 8 is greater than or equal to the sum of the lengths of the lump storing bath 9 and the paper dust storing bath 10.
Furthermore, in order to ensure that the material block storage tank 9 and the paper scrap storage tank 10 are overlapped with the waste outlet 8 in the same number of turns, the paper scrap storage tank 10 can be completely overlapped with the waste outlet 8, so that the material blocks in the material block storage tank 9 and the paper scrap in the paper scrap storage tank 10 are completely led out, the same discharging amount of each time is ensured, and the proportion of the material blocks to the paper scrap is different in the manufacture of the gypsum board, wherein the proportion of the material blocks is larger than the proportion of the paper scrap, so that the proportion of the paper scrap to the material blocks conveyed by the rotating roller 4 in the design process is required to be different.
Specifically, as shown in fig. 1-4 and fig. 6, the groove diameter of the material block storage groove 9 is larger than the groove diameter of the paper chip storage groove 10, the groove depth of the material block storage groove 9 is the same as the groove depth of the paper chip storage groove 10, and the symmetrical axes of the material block storage groove 9 and the paper chip storage groove 10 which are positioned opposite to each other at two sides of the circular ring 11 are coincident with the axis of the storage cylinder 3 in the length direction.
In order to reduce the interference between the material blocks and the paper scraps in the material block storage groove 9 and the paper scraps storage groove 10, a fixed proportion of the material blocks and the paper scraps is ensured.
Specifically, as shown in fig. 4-5, the diameter of the rotating roller 4 is smaller than that of the storage cylinder 3, a circular ring 11 is arranged on the rotating roller 4 between the opposite material block feeding hole 6 and the paper scrap feeding hole 7 along the circumferential direction of the rotating roller, and an annular groove 12 matched with the circular ring 11 is arranged in the inner cavity of the storage cylinder 3.
The annular ring 11 is utilized to isolate the material block storage tank 9 from the paper scrap storage tank 10 to form a barrier, and the annular ring 11 and the annular groove 12 are matched to rotate, so that the rotating roller 4 and the material storage barrel 3 keep rotating on a fixed rotating route, and the material block storage tank 9 and the paper scrap storage tank 10 can be accurately overlapped with the material block feeding hole 6 and the paper scrap feeding hole 7 respectively.
In the rotation of the rotating roller 4 and the storage cylinder 3, there is a rotation gap between the rotating roller 4 and the storage cylinder 3, in particular, a material which has a relatively small volume and soft texture and is very easy to be blocked into the gaps during the rotation, and in order to reduce the possibility of the rotation gap being blocked by the paper dust, an embodiment is provided.
Specifically, as shown in fig. 1-4, an arc plate 13 is arranged on the inner cavity side wall of the storage barrel 3 positioned at one side of the annular groove 12 along the circumferential arc direction of the inner cavity, the arc plate 13 is in face fit with the roller at the end of the paper dust feeding port 7, an adjusting roller 14 is rotatably connected on the inner cavity side wall of the storage barrel 3 positioned at the other side of the annular groove 12 along the circumferential arc direction of the inner cavity, and the adjusting roller 14 is in face fit with the roller at the end of the material block feeding port 6.
The arc plate 13 is in sliding connection with the rotating roller 4, when the paper scrap storage tank 10 rotates to discharge the paper scrap feed opening 7, the arc plate 13 seals the paper scrap in the paper scrap storage tank 10, the leakage of the paper scrap is reduced, and the adjusting roller 14 plays a role in guiding the material blocks in the material block storage tank 9.
Since the volume of the material block is larger than the volume of the paper scraps and the texture of the material block is harder, the friction force between the material block and the side wall of the inner cavity of the storage cylinder 3 is larger in the process of rotating the material block along with the rotating roller 4, and the position of the material block can shift in the rotating process, the position of the material block in the material block storage groove 9 needs to be adjusted, so that the influence of the material block on the rotation of the rotating roller 4 is reduced,
specifically, as shown in fig. 5, a sliding groove 15 is formed in the inner cavity of the storage cylinder 3 at the end of the feeding port 6 of the material block along the center of the circular arc surface of the storage cylinder, a guide post 16 is slidably connected in the inner cavity of the sliding groove 15, one end, far away from the sliding groove 15, of the guide post 16 is connected with a mounting seat 17 along the length direction of the rotating roller 4, the mounting seat 17 is rotationally connected with the adjusting roller 14 along the inner cavity along the length direction of the mounting seat 17, a telescopic spring 18 sleeved on the guide post 16 is connected between the side wall of the inner cavity of the storage cylinder 3 and the mounting seat 17, and the adjusting roller 14 is always attached to the rotating roller under the elastic deformation effect of the telescopic spring 18 so as to reduce the gap between the rotating roller 4 and the storage cylinder 3.
When the rotating roller 4 drives the material block storage tank 9 to rotate, the material block in the material block storage tank 9 generates extrusion force for the adjusting roller 14, the generated extrusion force pushes the guide post 16 to move along the sliding groove 15, at the moment, the telescopic spring 18 is extruded to generate a reaction force, the reaction force acts on the adjusting roller 14, and the adjusting roller 14 extrudes the material block, so that the material block returns to a normal position, the possibility that the material block protrudes out of the material block storage tank 9 is reduced, the extruded adjusting roller 14 is always attached to the rotating roller 4, and the generation of gaps is reduced.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements may be made to the present application by those skilled in the art, which modifications and equivalents are also considered to be within the scope of the present application.
Claims (6)
1. The paper scraps recycling device for the gypsum board production line is characterized by comprising a timing and quantitative discharging mechanism (1) and a pulverizer (2), wherein the feeding end of the timing and quantitative discharging mechanism (1) is communicated with the discharge port of a rotary screen through a pipeline, and the timing and quantitative discharging mechanism (1) guides recycled waste materials into the pulverizer (2) in a timing and quantitative manner to be crushed so that the waste materials are uniformly and equally fed into a frying pan for secondary use;
the timing and quantitative blanking mechanism (1) comprises a storage cylinder (3), a rotating roller (4) and a driving motor (5), wherein the storage cylinder (3) is connected with the driving motor (5) along the outer side wall in the length direction of the storage cylinder, the driving motor (5) stretches into the power output end of the inner cavity of the storage cylinder (3) and is connected with the rotating roller (4), one side, far away from the power output end of the driving motor (5), of the rotating roller (4) is rotatably connected with the side wall of the storage cylinder (3), and the rotating roller (4) is driven by the driving motor (5) to rotate in the inner cavity of the storage cylinder (3) so that the rotating roller (4) guides waste materials into the pulverizer (2);
a material block feeding port (6) and a paper scrap feeding port (7) are respectively formed in the upper surface of the material storage cylinder (3) along the length direction of the material storage cylinder, the material block feeding port (6) and the paper scrap feeding port (7) are respectively communicated with a discharging port of a rotary screen, a waste outlet (8) is formed in an arc surface of one side, opposite to the material block feeding port (6) and the paper scrap feeding port (7), of the material storage cylinder (3), and the waste outlet (8) is connected with an inlet of the pulverizer (2);
the rotary roller (4) is rotationally connected to the inner cavity of the storage cylinder (3), a material block storage groove (9) and a paper scrap storage groove (10) are respectively formed in the circumferential surface of the rotary roller (4) along the length direction of the rotary roller, the material block storage groove (9) and the paper scrap storage groove (10) are respectively located on two sides of the central axis of the storage cylinder (3) in the self direction, and the driving motor (5) drives the storage cylinder (3) to periodically rotate so that the material block storage groove (9) and the paper scrap storage groove (10) are respectively and alternately communicated with the material block feed inlet (6), the paper scrap feed inlet (7) and the waste outlet (8).
2. A gypsum board production line paper dust recycling apparatus as set forth in claim 1, wherein: the diameter of the rotating roller (4) is smaller than that of the storage cylinder (3), a circular ring (11) is arranged on the rotating roller (4) between the feeding hole (6) of the material block and the feeding hole (7) of the paper scraps along the circumferential direction of the rotating roller, and an annular groove (12) matched with the circular ring (11) is arranged in the inner cavity of the storage cylinder (3).
3. A gypsum board production line paper dust recycling apparatus as set forth in claim 2, wherein: the automatic feeding device is characterized in that an arc plate (13) is arranged on the side wall of the inner cavity of the storage barrel (3) on one side of the annular groove (12) along the circumferential radian direction of the self, the arc plate (13) is attached to the roller surface of the paper dust feeding port (7), an adjusting roller (14) is rotatably connected on the side wall of the inner cavity of the storage barrel (3) on the other side of the annular groove (12) along the circumferential radian direction of the self, and the adjusting roller (14) is attached to the roller surface of the feeding port (6) of the material block.
4. A gypsum board production line paper dust recycling apparatus according to claim 3, wherein: the automatic feeding device is characterized in that a sliding groove (15) is formed in the inner cavity of a storage cylinder (3) at the end of a feeding hole (6) of the material block along the center of an arc surface of the storage cylinder, a guide column (16) is slidably connected to the inner cavity of the sliding groove (15), an installation seat (17) is connected to one end, far away from the sliding groove (15), of the guide column (16) along the length direction of a rotating roller (4), the installation seat (17) is rotationally connected with an adjusting roller (14) along the inner cavity in the length direction of the installation seat (17), a telescopic spring (18) sleeved on the guide column (16) is connected between the side wall of the inner cavity of the storage cylinder (3) and the installation seat (17), and the adjusting roller (14) is always attached to the rotating roller under the elastic deformation action of the telescopic spring (18) to reduce the gap between the rotating roller (4) and the storage cylinder (3).
5. A gypsum board production line paper dust recycling apparatus as set forth in claim 1, wherein: the length of the waste outlet (8) is larger than or equal to the sum of the lengths of the material block storage groove (9) and the paper scraps storage groove (10).
6. A gypsum board production line paper dust recycling apparatus as set forth in claim 2, wherein: the groove diameter of the material block storage groove (9) is larger than that of the paper scrap storage groove (10), the groove depth of the material block storage groove (9) is the same as that of the paper scrap storage groove (10), and the symmetrical axes of the material block storage groove (9) and the paper scrap storage groove (10) which are opposite to each other at the two sides of the circular ring (11) are overlapped with the axis of the storage cylinder (3) in the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006721.8A CN114309013B (en) | 2022-01-05 | 2022-01-05 | Paper scrap recovery device for gypsum board production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006721.8A CN114309013B (en) | 2022-01-05 | 2022-01-05 | Paper scrap recovery device for gypsum board production line |
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| CN114309013A CN114309013A (en) | 2022-04-12 |
| CN114309013B true CN114309013B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210006721.8A Active CN114309013B (en) | 2022-01-05 | 2022-01-05 | Paper scrap recovery device for gypsum board production line |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145157A (en) * | 1966-03-29 | 1969-03-12 | R O Stokes And Company Ltd | An improved process for the separation of a mixture of substances having different specific gravities |
| CN102425940A (en) * | 2011-11-25 | 2012-04-25 | 宝钢工程技术集团有限公司 | Device and method for preparing and transporting lime rotary kiln pulverized coal |
| CN103008231A (en) * | 2012-12-05 | 2013-04-03 | 冯幼平 | Stepping bounce screening device |
| CN109702898A (en) * | 2019-02-28 | 2019-05-03 | 太仓北新建材有限公司 | A kind of waste material automatic adding device |
| CN210159714U (en) * | 2019-04-30 | 2020-03-20 | 杭州萧山南阳造纸有限公司 | Paper scrap crusher |
-
2022
- 2022-01-05 CN CN202210006721.8A patent/CN114309013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145157A (en) * | 1966-03-29 | 1969-03-12 | R O Stokes And Company Ltd | An improved process for the separation of a mixture of substances having different specific gravities |
| CN102425940A (en) * | 2011-11-25 | 2012-04-25 | 宝钢工程技术集团有限公司 | Device and method for preparing and transporting lime rotary kiln pulverized coal |
| CN103008231A (en) * | 2012-12-05 | 2013-04-03 | 冯幼平 | Stepping bounce screening device |
| CN109702898A (en) * | 2019-02-28 | 2019-05-03 | 太仓北新建材有限公司 | A kind of waste material automatic adding device |
| CN210159714U (en) * | 2019-04-30 | 2020-03-20 | 杭州萧山南阳造纸有限公司 | Paper scrap crusher |
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| CN114309013A (en) | 2022-04-12 |
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