CN111013770A - Reducing mechanism based on PLC control - Google Patents
Reducing mechanism based on PLC control Download PDFInfo
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- CN111013770A CN111013770A CN201911307333.8A CN201911307333A CN111013770A CN 111013770 A CN111013770 A CN 111013770A CN 201911307333 A CN201911307333 A CN 201911307333A CN 111013770 A CN111013770 A CN 111013770A
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- fixedly connected
- box body
- box
- plc
- pipe
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
- B02C18/2258—Feed means of screw type
-
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- 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
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a crushing device based on PLC control, which comprises a box body, a feeding mechanism, a dust removing mechanism, a crushing mechanism, a discharging port, a material receiving plate, a handle and a PLC controller, wherein the feeding mechanism is arranged on the left side of the box body, the dust removing mechanism is arranged on the top of the box body, the crushing mechanism is arranged at the middle point of the right side of the box body, the discharging port is formed in the bottom of the right side of the box body, the material receiving plate is arranged at the bottom of the inner wall of the box body, and the right side of the material receiving plate penetrates through the discharging port and extends to the. According to the invention, through the mutual cooperation of the box body, the feeding mechanism, the dust removing mechanism, the crushing mechanism, the discharge hole, the material receiving plate, the handle and the PLC, the effect of dust removal is realized, dust generated in the crushing process can be absorbed, the effect of feeding is realized, manual feeding is not needed, time and labor are saved, the practicability is strong, and the PLC feeding box is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of PLC control, in particular to a crushing device based on PLC control.
Background
The patent with the application number of CN201520996486.9 discloses an integrated multi-stage crushing device, which comprises a first crushing device, a second crushing device, a third crushing device, a first material collecting box, a second material collecting box, a third material collecting box, a dust collecting box and a base, wherein the feeding pipe is arranged at the upper right end of the first crushing device, the feeding hopper is arranged on the feeding pipe, the left lower end of the first crushing device is connected with the second crushing device through a first inclined discharging pipe, the right lower end of the first crushing device is connected with the third crushing device through a second inclined discharging pipe, and the bottom end of the first crushing device is connected with the first material collecting box through a discharging vertical pipe; the lower end of the second crushing device is connected with a second material collecting box; the lower end of the third crushing device is connected with a third material collecting box; the first material collecting box, the second material collecting box and the third material collecting box are arranged on the base; the integrated multi-stage crushing device provided by the invention can be used for carrying out graded crushing treatment on materials according to actual requirements, and is low in labor intensity and high in production efficiency.
If the patent application number is CN201520743272.0, a material crushing device with function of weighing, including the reducing mechanism body, reducing mechanism body top external fixed surface is provided with the feed inlet, the inside fixed two crushing gyro wheels that are used for smashing the material that are provided with in feed inlet below that is located of reducing mechanism body, the inside fixed first transmission band that is provided with in reducing mechanism body is located under the crushing gyro wheel, the fixed setting in first transmission band right side of second transmission band, the inside fixed weighing device that is provided with of second transmission band, the fixed discharge gate that is provided with of reducing mechanism body right-hand member lateral surface, be located reducing mechanism body external fixed surface directly over the second transmission band and be provided with the display of weighing. According to the material crushing device with the weighing function, the weighing function of the material crushing device is realized by arranging the weighing device and the weighing display device in the conveying belt, so that the labor is saved, and the working efficiency of workers is improved.
The reducing mechanism of above-mentioned two patents all does not possess the dust removal function, can't absorb the dust that produces to smashing the in-process, does not possess the material loading function moreover, need lean on artifical manual material loading, wastes time and energy, has greatly reduced reducing mechanism's practicality.
Disclosure of Invention
The invention aims to provide a crushing device based on PLC control, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a crushing device based on PLC control comprises a box body, a feeding mechanism, a dust removing mechanism, a crushing mechanism, a discharging port, a material receiving plate, a handle and a PLC controller, wherein the feeding mechanism is arranged on the left side of the box body;
the feeding mechanism comprises a shell, the shell is fixedly connected with a box body, the shell is communicated with the box body through a communicating pipe, a feeding pipe is fixedly connected to the bottom of the left side of the inner wall of the shell, the left end of the feeding pipe penetrates through the shell and extends to the outside of the shell, a conveying motor is fixedly connected to the bottom of the shell, a conveying rotating shaft is fixedly connected to an output shaft of the conveying motor, the top of the conveying rotating shaft penetrates through the shell and extends to the inside of the shell, a spiral conveying blade is fixedly connected to the surface of the conveying rotating shaft, and the conveying motor is electrically connected with a PLC (programmable logic controller);
the dust removing mechanism comprises a dust collecting fan, the bottom of the dust collecting fan is fixedly connected with the top of the box body, a dust collecting pipe is fixedly connected with the bottom of the dust collecting fan, the bottom of the dust collecting pipe penetrates through the box body and extends to the interior of the box body, a dust collecting cover is fixedly connected with the top of the right side of the box body, a conveying pipe is fixedly connected with the right side of the dust collecting fan, one end, away from the dust collecting fan, of the conveying pipe penetrates through the water tank and extends to the interior of the conveying pipe, a water outlet pipe is fixedly connected with the bottom of the right side of the inner wall of the water tank, the right end of the water outlet pipe penetrates through the water tank and extends to the exterior of the water tank;
the utility model discloses a crushing mechanism, including crushing motor, crushing motor and box, fixed connection between crushing motor and the box, the pivot is smashed to fixedly connected with on the output shaft of crushing motor, the left end of smashing the pivot runs through the box and extends to inside it, the fixed surface of smashing the pivot is connected with and smashes the blade, the fixed position that just is located crushing blade below on the box inner wall is connected with the sieve, the top fixedly connected with vibrator of sieve, crushing motor and vibrator respectively with PLC controller electric connection.
Preferably, the left side and the right side of the bottom of the box body are fixedly connected with supporting legs.
Preferably, the surface of the material receiving plate is contacted with the inner wall of the box body.
Preferably, the left side and the right side of the top of the dust hood are fixedly connected with stabilizing blocks, and the tops of the stabilizing blocks are fixedly connected with the top of the inner wall of the box body.
Preferably, the inner wall of the box body and the top of the dust hood are fixedly connected with an intercepting net.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the mutual cooperation of the box body, the feeding mechanism, the dust removing mechanism, the crushing mechanism, the discharge hole, the material receiving plate, the handle and the PLC, the effect of dust removal is realized, dust generated in the crushing process can be absorbed, the effect of feeding is realized, manual feeding is not needed, time and labor are saved, the practicability is strong, and the PLC feeding box is worthy of popularization.
2. According to the invention, the dust hood is prevented from shaking by arranging the stabilizing block, and materials are prevented from entering the dust hood by arranging the intercepting net.
Drawings
FIG. 1 is a structural cross-sectional view in elevation of the present invention;
FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention.
In the figure: the device comprises a box body 1, a feeding mechanism 2, a shell 201, a communicating pipe 202, a feeding pipe 203, a conveying motor 204, a conveying rotating shaft 205, a spiral conveying blade 206, a dust removing mechanism 3, a dust suction fan 301, a dust suction pipe 302, a dust suction hood 303, a water tank 304, a conveying pipe 305, a water outlet pipe 306, an electromagnetic valve 307, a water inlet pipe 308, a crushing mechanism 4, a crushing motor 401, a crushing rotating shaft 402, a crushing blade 403, a sieve plate 404, a vibrator 405, a discharge hole 5, a material receiving plate 6, a handle 7, a PLC 8, a stabilizing block 9 and an intercepting net 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-2, a reducing mechanism based on PLC control, including box 1, feed mechanism 2, dust removal mechanism 3, reducing mechanism 4, discharge gate 5, connect flitch 6, handle 7 and PLC controller 8, the left side of box 1 is provided with feed mechanism 2, the top of box 1 is provided with dust removal mechanism 3, the midpoint department on box 1 right side is provided with reducing mechanism 4, discharge gate 5 has been seted up to the bottom on box 1 right side, the bottom of box 1 inner wall is provided with connects flitch 6, contact each other between the surface that connects flitch 6 and the inner wall of box 1, the right side that connects flitch 6 runs through discharge gate 5 and extends to its outside fixedly connected with handle 7, the left top fixedly connected with PLC controller 8 of box 1, the equal fixedly connected with landing leg in the left and right sides of box 1 bottom.
Feed mechanism 2 includes casing 201, fixed connection between casing 201 and the box 1, communicate each other through communicating pipe 202 between casing 201 and the box 1, the left bottom fixedly connected with of casing 201 inner wall throws material pipe 203, the left end of throwing material pipe 203 runs through casing 201 and extends to its outside, the bottom fixedly connected with conveyor motor 204 of casing 201, fixedly connected with carries pivot 205 on conveyor motor 204's the output shaft, the top of carrying pivot 205 runs through casing 201 and extends to inside, the fixed surface who carries pivot 205 is connected with spiral delivery blade 206, electric connection between conveyor motor 204 and the PLC controller 8.
The dust removing mechanism 3 comprises a dust suction fan 301, the bottom of the dust suction fan 301 is fixedly connected with the top of the box body 1, the bottom of the dust suction fan 301 is fixedly connected with a dust suction pipe 302, the bottom of the dust suction pipe 302 penetrates through the box body 1 and extends to the interior of the box body 1, a dust suction cover 303 is fixedly connected with the bottom of the dust suction cover 303, the left side and the right side of the top of the dust suction cover 303 are fixedly connected with stabilizing blocks 9, the top of the stabilizing blocks 9 is fixedly connected with the top of the inner wall of the box body 1, the dust suction cover 303 is prevented from shaking by arranging the stabilizing blocks 9, an intercepting net 10 is fixedly connected with the top of the dust suction cover 303 on the inner wall of the box body 1, materials are prevented from entering the dust suction cover 303 by arranging the intercepting net 10, a water tank 304 is fixedly connected with the top of the right side of the box body 1, a conveying pipe 305 is, the right end of outlet pipe 306 runs through water tank 304 and extends to its outside, is provided with solenoid valve 307 on the outlet pipe 306, and the right side at water tank 304 top is provided with inlet tube 308, and dust absorption fan 301 and solenoid valve 307 are respectively with PLC controller 8 electric connection.
Crushing mechanism 4 includes crushing motor 401, fixed connection between crushing motor 401 and the box 1, fixedly connected with smashes pivot 402 on crushing motor 401's the output shaft, the left end of smashing pivot 402 runs through box 1 and extends to inside it, the fixed surface of smashing pivot 402 is connected with and smashes blade 403, on the box 1 inner wall and be located the position fixedly connected with sieve 404 of smashing blade 403 below, the top fixedly connected with vibrator 405 of sieve 404, crushing motor 401 and vibrator 405 respectively with PLC controller 8 electric connection.
When in use, the conveying motor 204 is started through the PLC 8, the crushing motor 401, the vibrator 405 and the dust suction fan 301 are started, then materials are poured into the feeding pipe 203, so that the conveying motor 204 sequentially drives the conveying rotating shaft 205 and the spiral conveying blade 206 to rotate, the spiral conveying blade 206 conveys the materials into the box body 1 through the communicating pipe 202, the materials fall on the sieve plate 404, meanwhile, the crushing motor 401 sequentially drives the crushing rotating shaft 402 and the crushing blade 403 to rotate, so that the materials are crushed, meanwhile, the vibrator 405 continuously generates vibration, so that the materials on the sieve plate 404 are driven to continuously roll, so that the crushing blade 403 can more thoroughly crush the materials, the completely crushed materials fall on the material receiving plate 6 through the sieve plate 404, meanwhile, the dust suction fan 301 generates suction force, so that the dust suction cover 303 absorbs dust in the box body 1, then carry the dust to the water tank through conveyer pipe 305 in, after the comminuted finishes, pulling handle 7 can take out and connect flitch 6 to can handle the material on the flitch 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a reducing mechanism based on PLC control, includes box (1), feed mechanism (2), dust removal mechanism (3), rubbing crusher constructs (4), discharge gate (5), connects flitch (6), handle (7) and PLC controller (8), its characterized in that: a feeding mechanism (2) is arranged on the left side of the box body (1), a dust removal mechanism (3) is arranged on the top of the box body (1), a crushing mechanism (4) is arranged at the middle point of the right side of the box body (1), a discharge hole (5) is formed in the bottom of the right side of the box body (1), a material receiving plate (6) is arranged on the bottom of the inner wall of the box body (1), the right side of the material receiving plate (6) penetrates through the discharge hole (5) and extends to the outside of the material receiving plate and is fixedly connected with a handle (7), and a PLC (programmable logic controller) is fixedly connected to the;
the feeding mechanism (2) comprises a shell (201), the shell (201) is fixedly connected with the box body (1), the shell (201) is communicated with the box body (1) through a communicating pipe (202), a feeding pipe (203) is fixedly connected to the bottom of the left side of the inner wall of the shell (201), the left end of the feeding pipe (203) penetrates through the shell (201) and extends to the outside of the feeding pipe, a conveying motor (204) is fixedly connected to the bottom of the shell (201), a conveying rotating shaft (205) is fixedly connected to an output shaft of the conveying motor (204), the top of the conveying rotating shaft (205) penetrates through the shell (201) and extends to the inside of the conveying rotating shaft, a spiral conveying blade (206) is fixedly connected to the surface of the conveying rotating shaft (205), and the conveying motor (204) is electrically connected with the PLC (8);
dust removal mechanism (3) is including dust absorption fan (301), the bottom of dust absorption fan (301) and the top fixed connection of box (1), the bottom fixedly connected with dust absorption pipe (302) of dust absorption fan (301), the bottom of dust absorption pipe (302) runs through box (1) and extends to its inside fixedly connected with suction hood (303), the top fixedly connected with water tank (304) on box (1) right side, the right side fixedly connected with conveyer pipe (305) of dust absorption fan (301), the one end that dust absorption fan (301) was kept away from in conveyer pipe (305) runs through water tank (304) and extends to its inside, the bottom fixedly connected with outlet pipe (306) on water tank (304) inner wall right side, the right-hand member of outlet pipe (306) runs through water tank (304) and extends to its outside, be provided with solenoid valve (307) on outlet pipe (306), a water inlet pipe (308) is arranged on the right side of the top of the water tank (304), and the dust collection fan (301) and the electromagnetic valve (307) are respectively and electrically connected with the PLC controller (8);
crushing mechanism (4) are including smashing motor (401), fixed connection between crushing motor (401) and box (1), fixedly connected with smashes pivot (402) on the output shaft of crushing motor (401), the left end of smashing pivot (402) runs through box (1) and extends to inside, blade (403) are smashed to the fixed surface that smashes pivot (402) is connected with, on box (1) inner wall and be located the position fixedly connected with sieve (404) of smashing blade (403) below, top fixedly connected with vibrator (405) of sieve (404), smash motor (401) and vibrator (405) respectively with PLC controller (8) electric connection.
2. The PLC-based crushing device according to claim 1, wherein: the left side and the right side of the bottom of the box body (1) are fixedly connected with supporting legs.
3. The PLC-based crushing device according to claim 1, wherein: the surface of the material receiving plate (6) is in mutual contact with the inner wall of the box body (1).
4. The PLC-based crushing device according to claim 1, wherein: the left side and the right side of the top of the dust hood (303) are fixedly connected with stabilizing blocks (9), and the tops of the stabilizing blocks (9) are fixedly connected with the top of the inner wall of the box body (1).
5. The PLC-based crushing device according to claim 1, wherein: the inner wall of the box body (1) is fixedly connected with an intercepting net (10) at the top of the dust hood (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307333.8A CN111013770A (en) | 2019-12-18 | 2019-12-18 | Reducing mechanism based on PLC control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307333.8A CN111013770A (en) | 2019-12-18 | 2019-12-18 | Reducing mechanism based on PLC control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111013770A true CN111013770A (en) | 2020-04-17 |
Family
ID=70209496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911307333.8A Withdrawn CN111013770A (en) | 2019-12-18 | 2019-12-18 | Reducing mechanism based on PLC control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111013770A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264165A (en) * | 2020-11-05 | 2021-01-26 | 怀宁欣奥新型建材有限公司 | Novel raw materials is smashed for hollow brick production device |
| CN113262846A (en) * | 2021-05-31 | 2021-08-17 | 内江师范学院 | Straw crushing and dedusting integrated equipment |
-
2019
- 2019-12-18 CN CN201911307333.8A patent/CN111013770A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264165A (en) * | 2020-11-05 | 2021-01-26 | 怀宁欣奥新型建材有限公司 | Novel raw materials is smashed for hollow brick production device |
| CN113262846A (en) * | 2021-05-31 | 2021-08-17 | 内江师范学院 | Straw crushing and dedusting integrated equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200417 |