CN113019558A - Tea-seed is refined to tea-seed breaker for base - Google Patents
Tea-seed is refined to tea-seed breaker for base Download PDFInfo
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- CN113019558A CN113019558A CN202110271049.0A CN202110271049A CN113019558A CN 113019558 A CN113019558 A CN 113019558A CN 202110271049 A CN202110271049 A CN 202110271049A CN 113019558 A CN113019558 A CN 113019558A
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- tea
- roller
- seed
- rotating
- mounting seat
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling 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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/40—Detachers, e.g. scrapers
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Tea And Coffee (AREA)
Abstract
The invention provides a crushing device for preparing a blank by extracting tea seeds from tea oil, and relates to the technical field of tea oil extraction. This tea-seed is refined tea-seed breaker for base, including changeing the roller, the inside peripheral sliding connection of commentaries on classics roller has broken tooth, the one end that changes the roller and be close to changeing the roller center rotates and is connected with the gyro wheel, the inside of changeing the roller is provided with the fixed axle, the inboard fixed mounting of the peripheral broken tooth of fixed axle has spacing dish, the front side of changeing the roller is provided with the mount pad. This tea-seed oil refines tea seed breaker for base, can change the interval between the roller according to what intelligent regulation who puts in tea seed, improve effective breakage to less tea seed, avoid the extrusion to tea seed, make tea seed can not produce oil in advance at broken stage, improve the cleanliness factor that produces oil and guarantee breaker, can strike off the tea seed of broken tooth surface adhesion at rotatory in-process, make it drop the collection better, improve broken efficiency and effect with this.
Description
Technical Field
The invention relates to the technical field of tea oil extraction, in particular to a crushing device for tea seed blank preparation by tea oil extraction.
Background
The tea oil extraction refers to a method for extracting pure natural high-grade edible vegetable oil from mature seeds of common tea-oil trees of camellia plants in the Theaceae family, in the process of tea oil extraction, after the mature seeds are peeled, the tea seeds are crushed to prepare oil blanks, so that the subsequent squeezing is convenient, the distance between the crushing rollers can not be adjusted by the traditional tea seed crushing device according to the amount of the tea seeds which are put into the device, when the tea seeds are more, the distance between the crushing rollers is not changed, the tea seeds are easy to be extruded in advance in the rotating process, so that the tea seeds are subjected to oil extraction in advance and remain in the crushing device, the oil extraction rate is reduced, the crushing device is polluted, when the tea seeds are less, the distance between the crushing rollers is not changed, the incomplete crushing is easy to occur, and because the tea seeds are oily seeds, in the process of crushing, the powder is easy to adhere to the crushing teeth, and further the crushing efficiency and effect are reduced.
In order to solve the problems, the inventor provides a crushing device for tea seed blank making by extracting tea oil, the distance between the rollers can be intelligently adjusted according to the amount of tea seeds put in, so that effective crushing of a few tea seeds is improved, extrusion of the tea seeds is avoided, the tea seeds cannot be subjected to oil outlet in advance in a crushing stage, the oil outlet rate is improved, the cleanliness of the crushing device is ensured, the tea seeds adhered to the surfaces of the crushing teeth can be scraped in the rotating process, the tea seeds can better fall and be collected, and accordingly the crushing efficiency and the crushing effect are improved.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a tea-seed is refined to tea-seed breaker for base, includes that commentaries on classics roller, broken tooth, gyro wheel, fixed axle, spacing dish, mount pad, motor, drive shaft, rotation axis, transfer line, balancing weight, slider, spring, first bevel gear, second bevel gear.
Wherein:
the periphery of the interior of the rotary roller is connected with crushing teeth in a sliding way, one end of the rotary roller close to the center of the rotary roller is connected with a roller in a rotating way, a fixed shaft is arranged in the rotary roller, a limit disc is fixedly arranged at the inner side of the crushing teeth at the periphery of the fixed shaft, the front side of the rotary roller is provided with a mounting seat, the bottom of the center in the mounting seat is fixedly provided with a motor, the top of the motor is connected with a driving shaft in a transmission way, the left side and the right side of the driving shaft in the mounting seat are connected with a rotating shaft in a rotating way, a transmission rod is connected between the rotating shaft and the driving shaft in a transmission way, the periphery of the transmission rod is rotatably connected with a balancing weight, the left side and the right side of the mounting seat are connected with sliding blocks in a sliding way, one end of each sliding block far away from the center of the mounting seat is fixedly connected with a spring, and a first bevel gear is fixedly arranged on the periphery of the rotating shaft, and a second bevel gear is rotatably connected to one side, far away from the center of the mounting seat, of the first bevel gear at the front end of the sliding block.
Preferably, the number of the rotating rollers is two, the rotating rollers are symmetrically distributed in the left and right direction, and the crushing teeth on the peripheries of the rotating rollers on the left and right sides are staggered with each other, so that the tea seeds placed in the rotating rollers on the left and right sides can be crushed when the rotating rollers on the two sides rotate in the reverse direction.
Preferably, the fixed shaft is fixedly installed on the inner wall of the machine body and extends to the inside of the rotary roller, and one end, far away from the machine body, of the fixed shaft is connected in the inner wall of the rotary roller in a limiting and rotating mode, so that the fixed shaft is fixed in the rotary roller, the rotary roller rotates on the periphery of the fixed shaft, and the rotary roller can swing left and right relative to the fixed shaft.
Preferably, the limiting disc is eccentrically and fixedly installed on the periphery of the fixed shaft, the circle centers of the limiting discs in the left side and the right side of the rotating roller are deviated to one side, close to each other, of the rotating roller, and therefore when the rotating roller drives the crushing teeth to move to one side, close to each other, the crushing teeth can be pushed out outwards.
Preferably, the transmission rod is of a rhombus folding design, the left end and the right end of the transmission rod are rotatably connected with the driving shaft and the rotating shaft, and the periphery of the transmission rod is rotatably connected with the balancing weight, so that the transmission rod can be folded and contracted in different degrees according to different rotating speeds.
Preferably, the front end fixed mounting of slider has the mounting panel, the rotation axis runs through the mounting panel to pass through the spacing rotation of bearing with the mounting panel and be connected, make the rotation axis can promote the slider and move about, also can rotate in the front side of slider.
Preferably, the front end of the rotating roller is fixedly provided with a fixed rod, the fixed rod penetrates through the mounting seat and the sliding block to be fixedly mounted with the center of the second bevel gear, and the fixed rod is rotatably connected with the mounting seat and the sliding block. And the second bevel gear is meshed with the first bevel gear, so that the sliding block can drive the rotating roller to move, and meanwhile, the rotating shaft can drive the rotating roller to rotate.
The invention provides a crushing device for preparing a blank by extracting tea seeds from tea oil. The method has the following beneficial effects:
1. this tea-seed oil refines breaker for base of tea-seed system, design through transfer line and balancing weight between inside drive shaft of mount pad and the rotation axis, the volume that utilizes to put in tea-seed is more or when less, the difference of rotation axis rotational speed, can be when the volume of putting in tea-seed is less, drive slider draws close to the centre with changeing the roller, make the interval between changeing the roller diminish, improve the effective breakage to less tea-seed, when the volume of putting in tea-seed is more, drive slider and commentaries on classics roller remove to both sides, make the interval grow between changeing the roller, avoid the extrusion to tea-seed, make tea-seed can not go out oil in advance at broken stage, improve the oil yield and guarantee breaker's cleanliness factor.
2. This tea-seed oil refines breaker for base of tea-seed system, through the design of the fixed axle of changeing the inside fixed mounting of roller and its peripheral eccentric connection's spacing dish, can make broken tooth stretch out changeing the adjacent department of roller, realize crushing effect to remove to both sides and make and shrink gradually, and then utilize the inner wall of changeing the roller to strike off the tea-seed of broken tooth surface adhesion, make it drop the collection better, improve broken efficiency and effect with this.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a structural mount of the present invention;
FIG. 3 is a cross-sectional view of a roller construction of the present invention;
FIG. 4 is a top cross-sectional view of a roller construction of the present invention;
fig. 5 is an enlarged view of the structure of fig. 4 at a in accordance with the present invention.
In the figure: 1. rotating the roller; 2. crushing teeth; 3. a roller; 4. a fixed shaft; 5. a limiting disc; 6. a mounting seat; 7. a motor; 8. a drive shaft; 9. a rotating shaft; 10. a transmission rod; 11. a balancing weight; 12. a slider; 13. a spring; 14. a first bevel gear; 15. a second bevel gear.
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.
The embodiment of the crushing device for tea seed blank making by tea oil extraction is as follows:
referring to fig. 1-5, a crushing device for preparing tea seed blanks by extracting tea oil comprises a rotating roller 1, crushing teeth 2, a roller 3, a fixed shaft 4, a limiting disc 5, a mounting seat 6, a motor 7, a driving shaft 8, a rotating shaft 9, a transmission rod 10, a balancing weight 11, a sliding block 12, a spring 13, a first bevel gear 14 and a second bevel gear 15.
Wherein:
the crushing teeth 2 are connected to the periphery of the inner part of the rotary roller 1 in a sliding manner, the rotary rollers 1 are two in number and are distributed in a bilateral symmetry manner, the crushing teeth 2 on the periphery of the rotary rollers 1 on the left side and the right side are staggered with each other, therefore, when the rotary rollers 1 on the two sides rotate reversely, the tea seeds placed in the rotary rollers 1 can be crushed, one end of each rotary roller 1 close to the center of the rotary roller 1 is rotatably connected with a roller 3, a fixed shaft 4 is arranged in each rotary roller 1, the fixed shaft 4 is fixedly arranged on the inner wall of a machine body and extends into the rotary roller 1, one end far away from the machine body is connected in the inner wall of the rotary roller 1 in a limiting and rotating manner, the fixed shaft 4 is fixed in the rotary roller 1, the rotary roller 1 rotates on the periphery of the fixed shaft 4, the rotary roller 1 can swing left and right relative to the fixed shaft 4, a limiting disc 5 is fixedly arranged on the inner, and the centre of a circle of the inside spacing dish 5 of the left and right sides commentaries on classics roller 1 all is partial to the one side that changes roller 1 and is close to each other, consequently, when changeing roller 1 and driving broken tooth 2 and remove to the one side that is close to each other, broken tooth 2 can outwards be released, through the design of changeing the fixed axle 4 of the inside fixed mounting of roller 1 and its peripheral eccentric connection's spacing dish 5, can make broken tooth 2 stretch out in changeing roller 1 adjacent department, realize crushing effect, and move to both sides and make and contract gradually, and then utilize the inner wall of changeing roller 1 to strike off broken tooth 2 surperficial adhesive tea seeds, make it drop the collection better, with this improves broken efficiency and effect.
The front side of the roller 1 is provided with a mounting seat 6, the bottom of the center inside the mounting seat 6 is fixedly provided with a motor 7, the top of the motor 7 is in transmission connection with a driving shaft 8, the left side and the right side of the driving shaft 8 inside the mounting seat 6 are in transmission connection with a rotating shaft 9, a transmission rod 10 is in transmission connection between the rotating shaft 9 and the driving shaft 8, the left end and the right end of the transmission rod 10 are in rhombic folding design, the periphery of the transmission rod 10 is in rotary connection with a balancing weight 11, the transmission rod 10 can be folded and contracted to different degrees according to different rotating speeds, the periphery of the transmission rod 10 is in rotary connection with the balancing weight 11, the left side and the right side of the mounting seat 6 are in sliding connection with a sliding block 12, the front end of the sliding block 12 is fixedly provided with a mounting plate, the, the rotary roller can also rotate at the front side of the sliding block 12, one end of the sliding block 12, which is far away from the center of the mounting seat 6, is fixedly connected with a spring 13, a first bevel gear 14 is fixedly mounted at the periphery of the rotating shaft 9, one side, which is far away from the center of the mounting seat 6, of the first bevel gear 14 at the front end of the sliding block 12 is rotatably connected with a second bevel gear 15, a fixing rod is fixedly mounted at the front end of the rotary roller 1 and penetrates through the mounting seat 6, the sliding block 12 and the second bevel gear 15, and the fixing rod is rotatably connected with. And the second bevel gear 15 is meshed with the first bevel gear 14, so that the movement of the slide block 12 can drive the rotary roller 1 to move, meanwhile, the rotation of the rotating shaft 9 can drive the rotating roller 1 to rotate, and through the design of the transmission rod 10 and the balancing weight 11 between the driving shaft 8 and the rotating shaft 9 in the mounting seat 6, when the amount of the tea seeds put in is large or small, the rotating speed of the rotating shaft 9 is different, when the amount of the tea seeds put in is less, the sliding block 12 and the rotating roller 1 are driven to be close to the middle, so that the distance between the rotating rollers 1 is reduced, the effective crushing of less tea seeds is improved, when the amount of the tea seeds put in is large, the slide block 12 and the rotary rollers 1 are driven to move towards two sides, so that the distance between the rotary rollers 1 is enlarged to avoid the extrusion of the tea seeds, the tea seeds can not be subjected to oil extraction in advance in the crushing stage, so that the oil extraction rate is improved, and the cleanliness of the crushing device is ensured.
When the tea seed crusher is used, the tea seeds subjected to shelling are put into the crushing device, then the motor 7 is started to drive the driving shaft 8 to rotate, the driving shaft 8 drives the rotating shafts 9 on the left side and the right side to rotate through the transmission connection of the transmission rod 10 in the rotating process, the second bevel gears 15 and the rotating rollers 1 can be driven to rotate by utilizing the mutual meshing of the first bevel gears 14 on the periphery of the rotating shafts 9 and the second bevel gears 15 on the front sides of the rotating rollers 1, the rotating directions of the rotating rollers 1 on the left side and the right side are opposite, and the crushing teeth 2 on the periphery of the rotating rollers 1 are matched to crush the tea seeds falling between the rotating rollers 1;
in the process that the driving shaft 8 drives the rotating shaft 9 to rotate through the driving rod 10, when the tea seeds put into the rotating rollers 1 are less, the friction force applied in the rotating process of the rotating rollers 1 is reduced, so that the rotating speed of the driving shaft 8 and the rotating shaft 9 is increased, the rotating speed of the driving rod 10 and the balancing weight 11 is also increased, the balancing weight 11 moves outwards under the action of centrifugal force, the driving rod 10 is driven to fold and contract, the rotating shaft 9 is pulled to move towards the middle, the limiting rotary connection between the rotating shaft 9 and the front end of the sliding block 12 is matched, in the process that the rotating shaft 9 normally rotates, the sliding block 12 is pulled to move towards the middle, the rotating rollers 1 on the left side and the right side are driven to move towards the middle, the distance between the rotating rollers 1 is reduced, the effective crushing of less tea seeds is improved, when more tea seeds are put into the rotating rollers, the friction force applied to the rotating roller 1 in the rotating process is increased, so that the rotating speed of the transmission rod 10 and the counterweight block 11 is reduced, the centrifugal force is reduced, the sliding block 12 moves towards two sides under the action of the restoring force of the spring 13, the distance between the rotating rollers 1 is increased, the tea seeds are prevented from being extruded, the tea seeds cannot be subjected to oil extraction in advance in the crushing stage, the oil extraction rate is improved, and the cleanliness of the crushing device is ensured;
and through the design of the fixed axle 4 of the inside fixed mounting of commentaries on classics roller 1 and its peripheral eccentric connection's spacing dish 5, in the rotatory in-process of changeing roller 1 drive broken tooth 2, when broken tooth 2 removed to changeing roller 1's adjacent department, utilize 2 inboard gyro wheels 3 of broken tooth to be at the outlying roll connection of spacing dish 5, can make broken tooth 2 stretch out at changeing roller 1 adjacent department, realize crushing effect, and when broken tooth 2 removed to both sides edge gradually, broken tooth 2 can elastic shrinkage, and then utilize the inner wall of changeing roller 1 to come to strike off the tea seed of broken tooth 2 surface adhesion, make it drop the collection better, with this improve broken efficiency and effect.
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 (7)
1. The utility model provides a tea-seed is refined tea-seed breaker for base, includes changes roller (1), its characterized in that: the roller is characterized in that a crushing tooth (2) is connected to the periphery of the inner portion of the rotating roller (1) in a sliding mode, a roller (3) is connected to one end, close to the center of the rotating roller (1), of the rotating roller (1) in a rotating mode, a fixing shaft (4) is arranged inside the rotating roller (1), a limiting disc (5) is fixedly mounted on the inner side of the fixing shaft (4) and the periphery of the crushing tooth (2), a mounting seat (6) is arranged on the front side of the rotating roller (1), a motor (7) is fixedly mounted at the bottom of the center of the inner portion of the mounting seat (6), a driving shaft (8) is connected to the top of the motor (7) in a transmission mode, a rotating shaft (9) is rotatably connected to the left side and the right side of an inner driving shaft (8) of the mounting seat (6), a transmission rod (10), the left side and the right side of the mounting seat (6) are connected with sliding blocks (12) in a sliding mode, one end, far away from the center of the mounting seat (6), of each sliding block (12) is fixedly connected with a spring (13), a first bevel gear (14) is fixedly mounted on the periphery of the rotating shaft (9), and one side, far away from the center of the mounting seat (6), of each first bevel gear (14) at the front end of each sliding block (12) is connected with a second bevel gear (15) in a rotating mode.
2. The crushing device for making the tea seed blank according to the tea oil extraction of the claim 1, wherein: the number of the rotary rollers (1) is two, the rotary rollers are distributed in a bilateral symmetry manner, and the crushing teeth (2) on the peripheries of the rotary rollers (1) on the left side and the right side are staggered with each other.
3. The crushing device for making the tea seed blank according to the tea oil extraction of the claim 1, wherein: fixed axle (4) fixed mounting just extends to the inside of changeing roller (1) on the organism inner wall, and keeps away from the one end of organism and rotate the connection in changeing the inner wall of roller (1) spacing.
4. The crushing device for making the tea seed blank according to the tea oil extraction of the claim 1, wherein: the limiting discs (5) are eccentrically and fixedly arranged on the periphery of the fixed shaft (4), and the centers of the limiting discs (5) in the left side and the right side of the rotating roller (1) are deviated to one side, close to each other, of the rotating roller (1).
5. The crushing device for making the tea seed blank according to the tea oil extraction of the claim 1, wherein: the transmission rod (10) is in a rhombus folding design, the left end and the right end of the transmission rod are rotatably connected with the driving shaft (8) and the rotating shaft (9), and the periphery of the transmission rod is rotatably connected with the balancing weight (11).
6. The crushing device for making the tea seed blank according to the tea oil extraction of the claim 1, wherein: the front end fixed mounting of slider (12) has the mounting panel, rotation axis (9) run through the mounting panel to pass through the spacing rotation of bearing and be connected with the mounting panel.
7. The crushing device for making the tea seed blank according to the tea oil extraction of the claim 1, wherein: the front end of the rotating roller (1) is fixedly provided with a fixed rod, the fixed rod penetrates through the mounting seat (6), the sliding block (12) and the center of the second bevel gear (15) to be fixedly mounted, and the fixed rod is rotatably connected with the mounting seat (6) and the sliding block (12). And the second bevel gear (15) and the first bevel gear (14) are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271049.0A CN113019558A (en) | 2021-03-11 | 2021-03-11 | Tea-seed is refined to tea-seed breaker for base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271049.0A CN113019558A (en) | 2021-03-11 | 2021-03-11 | Tea-seed is refined to tea-seed breaker for base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113019558A true CN113019558A (en) | 2021-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110271049.0A Withdrawn CN113019558A (en) | 2021-03-11 | 2021-03-11 | Tea-seed is refined to tea-seed breaker for base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113019558A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303111A (en) * | 2021-07-01 | 2021-08-27 | 毅康科技有限公司 | Environment-friendly biomass straw crushing and briquetting integrated device and method |
| CN113731584A (en) * | 2021-09-01 | 2021-12-03 | 胡旭 | Civil engineering construction waste material processing apparatus |
| CN113877670A (en) * | 2021-09-13 | 2022-01-04 | 常蕾 | Flour milling machine capable of efficiently milling flour |
| CN115090364A (en) * | 2022-07-14 | 2022-09-23 | 哈瑞克斯(南通)建筑科技有限公司 | Asbestos tile waste material mill for building |
-
2021
- 2021-03-11 CN CN202110271049.0A patent/CN113019558A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303111A (en) * | 2021-07-01 | 2021-08-27 | 毅康科技有限公司 | Environment-friendly biomass straw crushing and briquetting integrated device and method |
| CN113303111B (en) * | 2021-07-01 | 2023-10-20 | 毅康科技有限公司 | Environment-friendly biomass straw crushing and briquetting integrated device and method |
| CN113731584A (en) * | 2021-09-01 | 2021-12-03 | 胡旭 | Civil engineering construction waste material processing apparatus |
| CN113877670A (en) * | 2021-09-13 | 2022-01-04 | 常蕾 | Flour milling machine capable of efficiently milling flour |
| CN115090364A (en) * | 2022-07-14 | 2022-09-23 | 哈瑞克斯(南通)建筑科技有限公司 | Asbestos tile waste material mill for building |
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Application publication date: 20210625 |
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| WW01 | Invention patent application withdrawn after publication |