CN114226002B - Powder material preparation equipment - Google Patents
Powder material preparation equipment Download PDFInfo
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- CN114226002B CN114226002B CN202111550089.5A CN202111550089A CN114226002B CN 114226002 B CN114226002 B CN 114226002B CN 202111550089 A CN202111550089 A CN 202111550089A CN 114226002 B CN114226002 B CN 114226002B
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- fixedly connected
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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
- B02C1/00—Crushing or disintegrating by reciprocating members
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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
- B02C21/00—Disintegrating plant with or without drying of the material
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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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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Refuse Collection And Transfer (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a powder material preparation device, which comprises a bottom plate and is characterized in that: the middle of the upper side of the bottom plate is fixedly connected with supporting plates, the upper ends of the two supporting plates are respectively movably connected with the two ends of a crankshaft, a connecting rod journal in the middle of the crankshaft is respectively movably connected with one end of a first connecting plate, the other ends of the first connecting plates are respectively movably connected with a convex plate, one end of each of the two convex plates is respectively fixedly connected with the middle of one side of a first pressing plate, the two first pressing plates are respectively arranged in corresponding extrusion cylinders, and the lower sides of the inner walls of the two extrusion cylinders are respectively provided with a first sliding groove. The device can realize the alternate circulation of the first pressing plate and the second pressing plate in the two extrusion cylinders to crush and prepare powder, and has high working efficiency. In the crushing powder process, the raw materials are sealed in the extrusion cylinder, so that the raw materials are prevented from splashing in the crushing powder process, and the waste of the raw materials is avoided.
Description
Technical Field
The invention relates to the field of powder material preparation equipment, in particular to powder material preparation equipment.
Background
In general, a pulverizer often uses a pulverizing blade rotating at a high speed to pulverize a material to be pulverized by a combined action of cutting the material by the pulverizing blade and impact the material with each other, thereby preparing a powder material, but when a honeycomb material is pulverized, such as a honeycomb catalyst, accumulates in a pulverizing chamber during the pulverizing process, and is easily splashed, thereby causing a waste of the material, so that it is desired to manufacture a powder material preparing apparatus.
Disclosure of Invention
The invention aims to provide powder material preparation equipment which is used for preparing powder of a honeycomb type material.
The invention adopts the following technical scheme to realize the purpose of the invention:
the powder material preparation equipment comprises a bottom plate and is characterized in that:
the middle part of the upper side of the bottom plate is fixedly connected with supporting plates, the upper ends of the two supporting plates are respectively movably connected with two ends of a crankshaft, a connecting rod journal in the middle of the crankshaft is respectively movably connected with one end of a first connecting plate, the other ends of the two first connecting plates are respectively movably connected with a convex plate, one end of each of the two convex plates is respectively fixedly connected with the middle part of one side of a first pressure plate, the two first pressure plates are respectively arranged in corresponding extrusion cylinders, the lower sides of the inner walls of the two extrusion cylinders are respectively provided with a first sliding groove, the upper sides of the inner walls of the two extrusion cylinders are respectively provided with a second sliding groove, the two first sliding grooves are respectively internally provided with a first arc-shaped sliding plate, the middle parts of the two first arc-shaped sliding plates are respectively provided with a first round hole, one end of each of the two first arc-shaped sliding plates is respectively fixedly connected with a strip-shaped block, the lower ends of the two strip-shaped blocks are respectively fixedly connected with one end of a sliding rod, the two sliding rods respectively penetrate through a ring, the two circular rings are respectively fixedly connected with one end of the corresponding extrusion cylinder, and the center of the two sliding rods are respectively connected with a ring;
the other ends of the two first arc-shaped sliding plates are fixedly connected with one end of a connecting rod respectively, the other ends of the two connecting rods are fixedly connected with the middle part of one side of a rectangular sleeve respectively, rectangular sliding rods are arranged in the two rectangular sleeves respectively, the lower ends of the two rectangular sliding rods are fixedly connected with circular sliding rods respectively, the lower parts of the two rectangular sliding rods are sleeved with a second spring in a sleeved mode respectively, the lower ends of the two second springs are fixedly connected with corresponding circular sliding rods respectively, the upper ends of the two second springs are fixedly connected with the lower sides of the corresponding rectangular sleeves respectively, and the upper ends of the two rectangular sliding rods are attached to the lower sides of the rectangular plates respectively;
two the one end of rectangular plate is equipped with the square hole, two the other end difference fixed connection T shape pole of rectangular plate, two the both ends difference swing joint of T shape pole links the one end of board two, two pairs link the other end difference swing joint of board two the connecting rod axle journal at bent axle both ends, two the one end difference fixed connection pressure disk two of T shape pole, two pressure disk two sets up respectively in the recipient that corresponds, two the upside of pressure disk two is the one end of fixed connection arc slide two respectively, two the other end of arc slide two is equipped with round hole two respectively, two arc slide two sets up respectively in corresponding spout two.
As a further limitation of the technical scheme, two ends of each of the two T-shaped rods are respectively and fixedly connected with a circular sleeve, and circular sliding rods are respectively arranged in the two pairs of circular sleeves.
As a further limitation of the technical scheme, the upper parts of the two rectangular supporting plates are respectively and fixedly connected with one end of the corresponding circular sliding rod, and the lower ends of the two rectangular supporting plates are respectively and fixedly connected with the two ends of the upper side of the bottom plate.
As a further limitation of the technical scheme, the upper sides of the bottom plates are respectively and fixedly connected with vertical rods, and the upper ends of one sides of the two pairs of vertical rods, which correspond to the vertical rods, are respectively and fixedly connected with the bevel blocks.
As the further limitation of the technical scheme, the middle parts of the upper sides of the two extrusion cylinders are respectively fixedly communicated with the feeding cylinders, and the middle parts of the lower sides of the upper ends of the feeding cylinders are fixedly communicated with the storage barrel.
As a further limitation of the technical scheme, the side walls of the two storage barrels are respectively and fixedly connected with a group of support rods, and the lower ends of the support rods are respectively and fixedly connected with the upper side of the bottom plate.
As a further limitation of the technical scheme, the middle parts of the lower sides of the two extrusion cylinders are respectively fixedly communicated with the discharge cylinder.
As a further limitation of the technical solution, one side of one of the support plates is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with one end of the crankshaft.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the device can realize the alternate circulation of the first pressing plate and the second pressing plate in the two extrusion cylinders to crush and prepare powder, and has high working efficiency.
2. This device can realize at the crushing powder process in-process, and the raw materials is sealed in the recipient, has avoided splashing at the crushing powder process in-process raw materials, has avoided the waste of raw and other materials.
3. This device can realize that pressure disk one and pressure disk two in two recipient circulate in turn and crush powder process work through link gear's transmission by a motor, and this equipment is pure mechanical structure, makes the cost low of this device, easily promotes.
Drawings
Fig. 1 is a schematic perspective view of the first embodiment of the present invention.
Fig. 2 is a partially enlarged view of the invention at a in fig. 1.
Fig. 3 is a partially enlarged view of the invention at B in fig. 1.
Fig. 4 is a schematic perspective view of the second embodiment of the present invention.
Fig. 5 is a first structural schematic diagram of the invention with parts broken away.
Fig. 6 is a second structural schematic diagram of the present invention with parts broken away.
Fig. 7 is a third structural schematic diagram of the present invention with parts broken away.
Fig. 8 is a fourth schematic structural view of the present invention with parts broken away.
Fig. 9 is a schematic structural diagram of the present invention with parts broken away.
Fig. 10 is a structural diagram six of the invention with parts broken away.
FIG. 11 is a first view of the connection structure of some parts according to the present invention.
FIG. 12 is a second schematic view of the connection structure of parts according to the present invention.
Fig. 13 is a third schematic view of a part of the connection structure of the components of the present invention.
Fig. 14 is a fourth schematic view of the connection structure of parts according to the present invention.
Fig. 15 is a schematic view showing a part of the connection structure of the components of the present invention.
Fig. 16 is a schematic view six of the connection structure of parts of the present invention.
In the figure: 1. the material storage barrel comprises a material storage barrel, 2, a feeding barrel, 3, an extrusion barrel, 4, a discharge barrel, 5, a circular sleeve, 6, a circular slide rod, 7, a rectangular support plate, 8, a support rod, 9, a bottom plate, 10, a support plate, 11, a motor, 12, a vertical rod, 13, a connecting plate II, 14, a rectangular plate, 15, a square hole, 16, a rectangular slide rod, 17, a rectangular sleeve, 18, a spring II, 19, a slope block, 20, a circular slide rod, 21, a connecting rod, 22, a circular ring, 23, a spring I, 24, a slide rod, 25, a wafer, 26, a bar block, 30, a crankshaft, 31, a connecting plate I, 32, a convex plate, 33, a pressure plate I, 34, a pressure plate II, 35, a T-shaped rod, 36, an arc-shaped sliding plate I, 37, an arc-shaped sliding plate II, 38, a circular hole I, 39, a circular hole II, 40, a sliding groove II, 41 and a sliding groove I.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1-16, the present invention includes a base plate 9,
the middle part of the upper side of the bottom plate 9 is fixedly connected with support plates 10, the upper ends of the two support plates 10 are respectively movably connected with two ends of a crankshaft 30, a connecting rod journal in the middle part of the crankshaft 30 is respectively movably connected with one end of a connecting plate I31, the other ends of the two connecting plate I31 are respectively movably connected with a convex plate 32, one end of each of the two convex plates 32 is respectively fixedly connected with the middle part of one side of a pressure plate I33, the two pressure plates I33 are respectively arranged in the corresponding extrusion cylinders 3, the lower sides of the inner walls of the two extrusion cylinders 3 are respectively provided with a sliding groove I41, the upper sides of the inner walls of the two extrusion cylinders 3 are respectively provided with a sliding groove II 40, the two sliding groove I41 are respectively provided with an arc sliding plate I36, the middle parts of the two arc sliding plates I36 are respectively provided with a circular hole I38, one ends of the two arc sliding plates I36 are respectively fixedly connected with a strip block 26, the lower ends of the two strip I26 are respectively fixedly connected with one end of a sliding rod 24, the two sliding rods 24 respectively penetrate through a circular ring 22, the two circular rings 22 are respectively fixedly connected with one end of the corresponding one end of the extrusion cylinder 3, one sliding rod I23 is respectively sleeved on the two circular ring blocks 24, and the other end of the circular ring 25 of the two circular ring 24 is connected with the circular ring 25 of the circular ring 25;
the other ends of the two arc-shaped sliding plates I36 are fixedly connected with one end of a connecting rod 21 respectively, the other ends of the two connecting rods 21 are fixedly connected with the middle of one side of a rectangular sleeve 17 respectively, rectangular sliding rods 16 are arranged in the two rectangular sleeves 17 respectively, the lower ends of the two rectangular sliding rods 16 are fixedly connected with circular sliding rods 20 respectively, the lower parts of the two rectangular sliding rods 16 are sleeved with springs II 18 respectively in a looping manner, the lower ends of the two springs II 18 are fixedly connected with the corresponding circular sliding rods 20 respectively, the upper ends of the two springs II 18 are fixedly connected with the lower sides of the corresponding rectangular sleeves 17 respectively, and the upper ends of the two rectangular sliding rods 16 are attached to the lower sides of the rectangular plates 14 respectively;
two the one end of rectangular plate 14 is equipped with square hole 15, two the other end difference fixed connection T shape pole 35 of rectangular plate 14, two the both ends difference swing joint of T shape pole 35 links the one end of two 13 boards, two pairs link the other end difference swing joint of two 13 boards the connecting rod journal at bent axle 30 both ends, two the one end difference fixed connection pressure disk two 34 of T shape pole 35, two pressure disk two 34 sets up respectively in the recipient 3 that corresponds, two the upside difference fixed connection arc slide two 37's of two 34 upsides of pressure disk one end, two the other end of arc slide two 37 is equipped with round hole two 39 respectively, two arc slide two 37 set up respectively corresponding in the spout two 40.
Two ends of the two T-shaped rods 35 are respectively and fixedly connected with circular sleeves 5, and circular sliding rods 6 are respectively arranged in the two pairs of circular sleeves 5.
The upper parts of the two rectangular supporting plates 7 are respectively and fixedly connected with one end of the corresponding circular sliding rod 6, and the lower ends of the two rectangular supporting plates 7 are respectively and fixedly connected with the two ends of the upper side of the bottom plate 9.
The upper sides of the bottom plates 9 are respectively and fixedly connected with vertical rods 12, and the upper ends of one corresponding sides of the two pairs of vertical rods 12 are respectively and fixedly connected with a slope block 19.
The middle part of the upper side of the extrusion cylinder 3 is respectively fixedly communicated with a feeding cylinder 2, and the middle part of the lower side of the upper end of the feeding cylinder 2 is fixedly communicated with a material storage barrel 1.
Two the lateral wall of storage vat 1 is fixed connection a set of bracing piece 8 respectively, every the lower extreme of bracing piece 8 fixed connection respectively the upside of bottom plate 9.
And the middle parts of the lower sides of the two extrusion cylinders 3 are respectively fixedly communicated with a discharging cylinder 4.
One side of one of the support plates 10 is fixedly connected with a motor 11, and an output shaft of the motor 11 is fixedly connected with one end of the crankshaft 30.
The working process of the invention is as follows: when the device is used, firstly, honeycomb type raw materials are respectively put into two material storage barrels 1, a motor 11 is started, the motor 11 drives a crankshaft 30 to rotate, the crankshaft 30 drives a connecting plate I31 and a connecting plate II 13 to reciprocate, the connecting plate I31 drives a corresponding pressure plate I33 to reciprocate through a corresponding convex plate 32, two pairs of connecting plates II 13 respectively drive a corresponding T-shaped rod 35 to reciprocate, the two T-shaped rods 35 drive a corresponding circular sleeve 5 to reciprocate along a corresponding circular slide rod 6, the two T-shaped rods 35 drive a corresponding pressure plate II 34 to reciprocate in a corresponding extrusion barrel 3, finally, the pressure plate I33 and the pressure plate II 34 in the same extrusion barrel 3 move close and far circularly, when the pressure plate I33 and the pressure plate II 34 in the same extrusion barrel 3 are farthest, the circular hole II 39 is superposed with the lower side opening of the feed barrel 2, the discharging barrel 4 is blocked by the first arc-shaped sliding plate 36, honeycomb type raw materials in the corresponding storage barrel 1 fall into the corresponding extrusion barrel 3, when the first pressure plate 33 and the second pressure plate 34 in the same extrusion barrel 3 move close to each other, the second pressure plate 34 drives the second arc-shaped sliding plate 37 to move, the second arc-shaped sliding plate 37 blocks the feeding barrel 2, the honeycomb type raw materials in the extrusion barrel 3 are gradually crushed into powder by the first pressure plate 33 and the second pressure plate 34, when the first pressure plate 33 and the second pressure plate 34 in the same extrusion barrel 3 are nearest to each other, the second spring 18 rebounds to drive the circular sliding rod 20 to move upwards, the circular sliding rod 20 drives the rectangular sliding rod 16 to move upwards along the rectangular sleeve 17, the upper end of the rectangular sliding rod 16 is inserted into the square hole 15, then the first pressure plate 33 and the second pressure plate 34 in the same extrusion barrel 3 move away from each other, and the rectangular plate 14 drives the rectangular sliding rod 16, the rectangular sleeve 17, the connecting rod 21, the corresponding arc-shaped sliding plate I36 and the sliding rod 24 move, the spring I23 is stretched, the round hole I38 corresponds to an opening of the discharging barrel 4, raw materials pressed into powder in the extruding barrel 3 are discharged from the round hole I38 and the discharging barrel 4, then the rectangular plate 14 drives the rectangular sliding rod 16, the circular sliding rod 20 and the circular sliding rod 20 to move, the circular sliding rod 20 meets the two corresponding inclined surface blocks 19, the circular sliding rod 20 slides along the inclined surfaces of the two corresponding inclined surface blocks 19, after the rectangular sliding rod 16 is separated from the corresponding square hole 15, the spring I23 rebounds, the arc-shaped sliding plate I36 blocks the corresponding discharging barrel 4, then the pressing plate I33 and the pressing plate II 34 continue to move away from each other, when the pressing plate I33 and the pressing plate II 34 in the extruding barrel 3 are farthest away from each other, the round hole II 39 coincides with the opening at the lower side of the feeding barrel 2, the arc-shaped sliding plate I36 blocks the discharging barrel 4, honeycomb raw materials in the corresponding storage barrel 1 fall into the corresponding extruding barrel 3 to continue to finish the honeycomb raw materials crushing, the honeycomb raw materials, the pulverizing process is the same as the pulverizing process, and the pulverizing process of the two extrusion barrels 3 is not repeated pulverizing processes.
The above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. The powder material preparation equipment comprises a bottom plate (9), and is characterized in that:
the middle part of the upper side of the bottom plate (9) is fixedly connected with a support plate (10), the upper ends of the two support plates (10) are respectively movably connected with two ends of a crankshaft (30), a connecting rod journal in the middle part of the crankshaft (30) is respectively movably connected with one end of a first connecting plate (31), the other ends of the two first connecting plates (31) are respectively movably connected with a convex plate (32), one end of each convex plate (32) is respectively fixedly connected with the middle part of one side of a first pressing plate (33), the two first pressing plates (33) are respectively arranged in corresponding extrusion cylinders (3), the lower sides of the inner walls of the two extrusion cylinders (3) are respectively provided with a first sliding groove (41), the upper sides of the inner walls of the two extrusion cylinders (3) are respectively provided with a second sliding groove (40), arc sliding plates (36) are respectively arranged in the two sliding grooves (41), the middle parts of the two arc sliding plates (36) are respectively provided with a first round hole (38), one end of each arc sliding plate (36) is respectively fixedly connected with a strip block (26), the lower end of each strip block (26) is respectively fixedly connected with one end of a sliding rod (24), one sliding rod (24) penetrates through the two corresponding extrusion rings (22) and the two corresponding extrusion rings (23), one end of each of the two first springs (23) is fixedly connected with one side of the corresponding circular ring (22), the other end of each of the two first springs (23) is fixedly connected with one side of a circular sheet (25), and the centers of the two circular sheets (25) are fixedly connected with one end of the corresponding sliding rod (24);
the other ends of the two arc-shaped sliding plates I (36) are fixedly connected with one end of a connecting rod (21) respectively, the other ends of the two connecting rods (21) are fixedly connected with the middle part of one side of a rectangular sleeve (17) respectively, rectangular sliding rods (16) are arranged in the two rectangular sleeves (17) respectively, the lower ends of the two rectangular sliding rods (16) are fixedly connected with circular sliding rods (20) respectively, the lower parts of the two rectangular sliding rods (16) are sleeved with springs II (18) respectively in a looping mode, the lower ends of the two springs II (18) are fixedly connected with the corresponding circular sliding rods (20) respectively, the upper ends of the two springs II (18) are fixedly connected with the lower sides of the corresponding rectangular sleeves (17) respectively, and the upper ends of the two rectangular sliding rods (16) are attached to the lower sides of the rectangular plates (14) respectively;
two the one end of rectangular plate (14) is equipped with square hole (15), two the other end difference fixed connection T shape pole (35) of rectangular plate (14), two the both ends difference swing joint of T shape pole (35) link the one end of two (13), two pairs link the other end difference swing joint of two (13) the connecting rod journal at bent axle (30) both ends, two the one end difference fixed connection pressure disk two (34) of T shape pole (35), two pressure disk two (34) set up respectively in corresponding recipient (3), two the upside difference fixed connection arc slide two (37) of pressure disk two (34) the one end of two (37), two the other end of two (37) of arc slide is equipped with round hole two (39) respectively, two arc slide two (37) set up respectively in the corresponding spout two (40).
2. The powder material production apparatus according to claim 1, wherein: two ends of the two T-shaped rods (35) are respectively and fixedly connected with a circular sleeve (5), and circular sliding rods (6) are respectively arranged in the two pairs of circular sleeves (5).
3. The powder material production apparatus according to claim 2, wherein: the upper parts of the two rectangular supporting plates (7) are respectively and fixedly connected with one end of the corresponding circular sliding rod (6), and the lower ends of the two rectangular supporting plates (7) are respectively and fixedly connected with the two ends of the upper side of the bottom plate (9).
4. The powder material production apparatus according to claim 1, wherein: the upper sides of the bottom plates (9) are respectively and fixedly connected with upright rods (12), and the upper ends of one sides of the two pairs of upright rods (12) corresponding to each other are respectively and fixedly connected with a slope block (19).
5. The powder material production apparatus according to claim 1, wherein: the middle parts of the upper sides of the two extrusion cylinders (3) are respectively fixedly communicated with the feeding cylinders (2), and the middle parts of the lower sides of the upper ends of the feeding cylinders (2) are fixedly communicated with the storage barrel (1).
6. The powder material production apparatus according to claim 5, characterized in that: the side walls of the two storage barrels (1) are respectively fixedly connected with a group of support rods (8), and the lower ends of the support rods (8) are respectively fixedly connected to the upper side of the bottom plate (9).
7. The powder material production apparatus according to claim 1, wherein: the middle parts of the lower sides of the two extrusion cylinders (3) are respectively fixedly communicated with a discharging cylinder (4).
8. The powder material production apparatus according to claim 1, wherein: one side of one of the support plates (10) is fixedly connected with a motor (11), and an output shaft of the motor (11) is fixedly connected with one end of the crankshaft (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550089.5A CN114226002B (en) | 2021-12-17 | 2021-12-17 | Powder material preparation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550089.5A CN114226002B (en) | 2021-12-17 | 2021-12-17 | Powder material preparation equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN114226002A CN114226002A (en) | 2022-03-25 |
| CN114226002B true CN114226002B (en) | 2023-02-03 |
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| CN202111550089.5A Active CN114226002B (en) | 2021-12-17 | 2021-12-17 | Powder material preparation equipment |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207056733U (en) * | 2017-03-07 | 2018-03-02 | 龙净科杰环保技术（上海）有限公司 | A kind of broken apart device of cellular catalyst |
| CN208990974U (en) * | 2018-09-27 | 2019-06-18 | 南京卡邦科技有限公司 | A kind of honeycombed catalyst raw material grinding device |
| CN211272396U (en) * | 2019-10-24 | 2020-08-18 | 潘泰 | Western medicine preparation equipment |
| CN211660177U (en) * | 2020-01-06 | 2020-10-13 | 王子波 | Large-scale discarded object environmental protection crushing apparatus |
| CN212018108U (en) * | 2020-01-07 | 2020-11-27 | 赵阳媚 | Medicine powder process device |
| CN213222317U (en) * | 2020-07-23 | 2021-05-18 | 河南省格林沃特环保科技有限公司 | Multi-stage honeycomb catalyst crushing and recycling device |
| CN113426550A (en) * | 2021-06-30 | 2021-09-24 | 龙净科杰环保技术（上海）有限公司 | Anti-pollution type waste denitration catalyst recycling device |
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