CN117654735A - Fertilizer grinding and crushing device - Google Patents
Fertilizer grinding and crushing device Download PDFInfo
- Publication number
- CN117654735A CN117654735A CN202311597048.0A CN202311597048A CN117654735A CN 117654735 A CN117654735 A CN 117654735A CN 202311597048 A CN202311597048 A CN 202311597048A CN 117654735 A CN117654735 A CN 117654735A
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- grinding
- frame
- crushing
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 76
- 239000000843 powder Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention discloses a fertilizer grinding and crushing device, which belongs to the technical field of fertilizer grinding and comprises a frame device placed on the ground, wherein the frame device is used for feeding fertilizer, a primary crushing device is arranged on the frame device and is used for primarily crushing the fertilizer, a fine crushing device is arranged on a main body device and is used for further crushing the fertilizer, and a fine grinding device is arranged on the main body device and is used for finely grinding the fertilizer. According to the invention, the primary grinding device, the fine grinding device and the fine grinding device are arranged to crush and grind the fertilizer layer by layer, so that the fertilizer can be fully ground, the grinding efficiency is high, and the automation degree is high; the primary grinding device and the fine grinding device are driven by a power source, so that the primary grinding device and the fine grinding device act simultaneously to fully grind the fertilizer; the inner rotary drum is internally provided with a large grinding ball, a middle grinding ball and a small grinding ball with approximately small diameters, so that the fertilizer is fully refined.
Description
Technical Field
The invention relates to the technical field of fertilizer grinding, in particular to a fertilizer grinding and crushing device.
Background
Fertilizers are used as an important nutrient support in the growth process of crops, and often appear in the form of blocks for convenient transportation. When the fertilizer is used, the drug effect can be exerted only in the form of powder or fragments, so an automatic and simple fertilizer grinding and crushing device is needed to crush the fertilizer. The Chinese patent publication No. CN104785318A discloses a non-blocking efficient fertilizer crusher, the prior art drives rollers to rotate through belts, the sizes of the pulleys enable the rotating speeds of the two rollers to be different, and the fertilizer is crushed by lines on the rollers. But this prior art is not good to the crushing effect of bulk fertilizer, and the breakage is not meticulous enough, and crushing efficiency is low.
Disclosure of Invention
Aiming at the technical problems, the invention adopts the following technical scheme: the utility model provides a fertilizer grinds reducing mechanism, includes the support body device of placing on ground, support body device include the shelf, the shelf is placed subaerial, support body device be used for fertilizer feeding, support body device on be provided with primary breaker, primary breaker include biax motor and slider axle, slider axle slidable mounting is on the shelf, primary breaker be used for carrying out preliminary breakage to fertilizer, main part device on be provided with smart breaker, smart breaker include the connecting bucket, connecting bucket fixed mounting is on the shelf, smart breaker be used for the further breakage of fertilizer, main part device on be provided with smart grinding device, smart grinding device include the link, link fixed mounting is inboard at the shelf, smart grinding device be used for carrying out meticulous grinding to fertilizer.
Putting fertilizer into through the frame body device, primarily crushing the fertilizer through the primary crushing device, then further crushing the fertilizer in the fine crushing device, and then finely grinding and collecting the fertilizer in the fine grinding device.
Further, the frame body device comprises a frame, wherein a crushing plate and a side crushing plate are fixedly arranged in the frame, and wavy teeth are arranged on the side crushing plate.
Further, the primary crushing device comprises a motor gear fixedly arranged on a motor shaft of the double-shaft motor, a bevel gear is fixedly arranged on the other motor shaft of the double-shaft motor, a transmission shaft is rotatably arranged on a frame, a side bevel gear and a large gear are fixedly arranged on the transmission shaft, the side bevel gear is meshed with the bevel gear, a connecting rod is rotatably arranged on the large gear, the connecting rod is rotatably arranged with a sliding block shaft, large powder blocks are fixedly arranged on the sliding block shaft, and convex teeth are arranged on the large powder blocks.
Put into fertilizer from the shelf, biax motor rotates and drives bevel gear rotation to drive side bevel gear and transmission shaft rotation, thereby drive the gear wheel and rotate, thereby drive the connecting rod rotation, thereby drive the slider axle and constantly slide along the spout in the shelf, thereby drive big powder piece and constantly slide towards the crushing board, thereby carry out continuous preliminary crushing to fertilizer through big powder piece and crushing board.
Further, the fine crushing device comprises a pinion rotatably arranged on the outer side of the frame, the pinion is meshed with the large gear, a small connecting rod is rotatably arranged on the pinion, a friction plate is rotatably arranged on the small connecting rod, and the friction plate is slidably arranged with the frame.
Further, the friction plate is provided with movable wave teeth which are wave-shaped tooth sheets.
The fertilizer can enter into between friction plate and the side crushing board after preliminary crushing, and the gear wheel rotates and can drive the pinion to rotate to drive the connecting rod and rotate, thereby drive the friction plate and slide from top to bottom along the shelf, thereby through activity wave tooth and wave tooth, grind the fertilizer through the friction repeatedly, make the diameter be less than in the fertilizer of minimum distance between activity wave tooth and the wave tooth gets into the connecting bucket, and in the lapping device.
Further, lapping device include fixed tank of fixed mounting on the link, link tip and connection fill fixed mounting, the trolley has been placed to the link below, interior rotary drum is installed to the fixed tank internal rotation, interior rotary drum tip fixed mounting has the rotation gear, rotation gear and motor gear external winding have the drive belt.
Further, a plurality of big grinding balls, middle grinding balls and small grinding balls are placed in the inner rotary cylinder, a plurality of protruding balls are arranged on the inner wall of the inner rotary cylinder, and a plurality of discharging holes are formed on the outer wall of the inner rotary cylinder.
The biax motor rotates and can drive motor gear simultaneously and rotate to drive through the drive belt and rotate the gear and rotate, thereby drive interior rotary drum and rotate, when interior rotary drum rotated, make big grinding ball, well grinding ball and little grinding ball grind fertilizer, protruding ball can increase the effect of grinding, after the particle diameter of fertilizer is less than the diameter of discharge opening, fertilizer leaves interior rotary drum through the discharge opening, gets into in the fixed tank, falls into the pull cart at last, and the universal wheel is equipped with to the pull cart bottom, can directly push away the fertilizer that grinds.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, the primary grinding device, the fine grinding device and the fine grinding device are arranged to crush and grind the fertilizer layer by layer, so that the fertilizer can be fully ground, the grinding efficiency is high, and the automation degree is high; (2) The primary grinding device and the fine grinding device are driven by a power source, so that the primary grinding device and the fine grinding device act simultaneously to fully grind the fertilizer; (3) The inner rotary drum is internally provided with the large grinding balls, the middle grinding balls and the small grinding balls with the diameters approximately smaller, and the fertilizer is fully refined until the fertilizer reaches the specified size.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a frame device according to the present invention.
Fig. 3 is a schematic structural view of a primary crushing device according to the present invention.
Fig. 4 is a schematic structural diagram of a primary crushing device according to the present invention.
Fig. 5 is a schematic diagram of a primary crushing device according to the third embodiment of the present invention.
Fig. 6 is a schematic structural view of the fine crushing device of the present invention.
Fig. 7 is a schematic structural diagram of a fine crushing device according to the present invention.
FIG. 8 is a schematic view of a friction plate according to the present invention.
Fig. 9 is a schematic structural diagram of a lapping device of the present invention.
FIG. 10 is a schematic diagram of a lapping apparatus according to the present invention.
FIG. 11 is a schematic view showing the internal structure of the inner drum of the lapping device of the present invention.
Reference numerals: 101-a rack; 102-crushing the plate; 103-side crushing plate; 1031-wave teeth; 201-a double-shaft motor; 202-motor gear; 203-bevel gear; 204-side bevel gears; 205-large gear; 206-a connecting rod; 207-slider shaft; 208-large powder pieces; 209-a drive shaft; 301-connecting a bucket; 302-pinion gear; 303-small connecting rods; 304-friction plate; 3041-movable wave teeth; 401-a connection rack; 402-pulling; 403-stationary tank; 404-turning a gear; 405-a transmission belt; 406-an inner drum; 4061-raised balls; 4062-discharge hole; 407-big grinding ball; 408-a middle grinding ball; 409-small grinding balls.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Examples: referring to fig. 1-11, a fertilizer grinding and crushing device, including placing the support body device on ground, the support body device includes shelf 101, shelf 101 places subaerial, support body device is used for fertilizer feeding, be provided with primary breaker on the support body device, primary breaker includes biax motor 201 and slider axle 207, slider axle 207 slidable mounting is on shelf 101, primary breaker is used for carrying out preliminary breakage to fertilizer, be provided with smart breaker on the main part device, smart breaker includes connecting bucket 301, connecting bucket 301 fixed mounting is on shelf 101, smart breaker is used for further breakage of fertilizer, be provided with smart grinding device on the main part device, smart grinding device includes link 401, link 401 fixed mounting is inboard at shelf 101, smart grinding device is used for carrying out the fine grinding to fertilizer.
Putting fertilizer into through the frame body device, primarily crushing the fertilizer through the primary crushing device, then further crushing the fertilizer in the fine crushing device, and then finely grinding and collecting the fertilizer in the fine grinding device.
As shown in fig. 2, the frame body device includes a frame 101, a crushing plate 102 and a side crushing plate 103 are fixedly installed in the frame 101, and wavy teeth 1031 are provided on the side crushing plate 103.
As shown in fig. 3 to 5, the primary crushing device comprises a motor gear 202 fixedly mounted on a motor shaft of a double-shaft motor 201, a bevel gear 203 is fixedly mounted on the other motor shaft of the double-shaft motor 201, a transmission shaft 209 is rotatably mounted on the frame 101, a side bevel gear 204 and a large gear 205 are fixedly mounted on the transmission shaft 209, the side bevel gear 204 is meshed with the bevel gear 203, a connecting rod 206 is rotatably mounted on the large gear 205, the connecting rod 206 is rotatably mounted on a slide block shaft 207, a large powder piece 208 is fixedly mounted on the slide block shaft 207, and convex teeth are arranged on the large powder piece 208.
Put fertilizer into from shelf 101, biax motor 201 rotates and drives bevel gear 203 rotation to drive side bevel gear 204 and transmission shaft 209 rotation, thereby drive gear wheel 205 rotation, thereby drive connecting rod 206 rotation, thereby drive slider shaft 207 and constantly slide along the spout in the shelf 101, thereby drive big powder piece 208 constantly to slide towards crushing plate 102, thereby carry out continuous preliminary crushing to fertilizer through big powder piece 208 and crushing plate 102.
As shown in fig. 6 to 8, the fine crushing device comprises a pinion 302 rotatably mounted on the outer side of the frame 101, the pinion 302 is engaged with a large gear 205, a small link 303 is rotatably mounted on the pinion 302, a friction plate 304 is rotatably mounted on the small link 303, and the friction plate 304 is slidably mounted with the frame 101.
As shown in fig. 8, the friction plate 304 is provided with movable wave teeth 3041, and the movable wave teeth 3041 are wave-shaped tooth plates.
Fertilizer can enter between friction plate 304 and side crushing plate 103 after preliminary crushing, and gear wheel 205 rotates and can drive pinion 302 to rotate to drive connecting rod 303 to rotate, thereby drive friction plate 304 along shelf 101 sliding up and down, thereby carry out repeated friction crushing to fertilizer through movable wave tooth 3041 and wave tooth 1031, make the diameter be less than the fertilizer of minimum distance between movable wave tooth 3041 and the wave tooth 1031 get into connecting hopper 301, and enter into the lapping device.
As shown in fig. 9-11, the lapping device comprises a fixed tank 403 fixedly mounted on a connecting frame 401, the end of the connecting frame 401 is fixedly mounted with a connecting bucket 301, a pull cart 402 is placed below the connecting frame 401, an inner drum 406 is rotatably mounted on the fixed tank 403, a rotary gear 404 is fixedly mounted on the end of the inner drum 406, and a transmission belt 405 is wound outside the rotary gear 404 and the motor gear 202.
As shown in fig. 11, a plurality of large grinding balls 407, medium grinding balls 408 and small grinding balls 409 are placed in the inner drum 406, a plurality of protruding balls 4061 are arranged on the inner wall of the inner drum 406, and a plurality of discharging holes 4062 are arranged on the outer wall of the inner drum 406.
The biax motor 201 rotates and can drive motor gear 202 simultaneously and rotate to drive through drive belt 405 and rotate gear 404 and rotate, thereby drive interior rotary drum 406 and rotate, when interior rotary drum 406 rotates, make big grinding ball 407, well grinding ball 408 and little grinding ball 409 grind the fertilizer, protruding ball 4061 can increase the effect of grinding, after the particle diameter of fertilizer is less than the diameter of discharge port 4062, the fertilizer leaves interior rotary drum 406 through discharge port 4062, get into in the fixed tank 403, finally fall into pull cart 402, the universal wheel is equipped with to pull cart 402 bottom, can directly push away the fertilizer that grinds.
The invention discloses a fertilizer grinding and crushing device, which has the working principle that: putting fertilizer into from the shelf 101, biax motor 201 rotates and drives bevel gear 203 to rotate, thereby drive side bevel gear 204 and transmission shaft 209 rotation, thereby drive gear wheel 205 rotation, thereby drive connecting rod 206 rotation, thereby drive slider axle 207 and constantly slide along the spout in the shelf 101, thereby drive big powder piece 208 and constantly slide towards crushing plate 102, thereby carry out continuous preliminary crushing to fertilizer through big powder piece 208 and crushing plate 102, then fertilizer can enter into between friction plate 304 and side crushing plate 103, gear wheel 205 rotation can drive pinion 302 rotation, thereby drive little connecting rod 303 rotation, thereby drive friction plate 304 and slide from top to bottom along shelf 101, thereby through movable wave tooth 3041 and wave tooth 1031, the fertilizer of diameter less than minimum distance between movable wave tooth 3041 and the wave tooth 1031 gets into connecting hopper 301, afterwards, biax motor 201 rotation can drive motor gear wheel 202 rotation simultaneously, thereby drive rotation gear 404 through drive interior rotary drum 406, when rotary drum 406 rotates, make big grinding ball 407, the diameter of ball and the ball of grinding wheel 408 are equipped with in the hole diameter of hole of grinding wheel 402, the diameter of grinding ball of grinding wheel 402 is directly in the hole of grinding wheel 402 is equipped with, the diameter of hole of grinding wheel 402 is directly, and the diameter of hole of grinding wheel 402 is reduced, and the diameter of the hole of grinding wheel is reduced, and the diameter of the hole is reduced, and the hole is reduced.
Claims (5)
1. The utility model provides a fertilizer grinds reducing mechanism, includes the support body device of placing on ground, its characterized in that: the frame body device include shelf (101), shelf (101) place subaerial, shelf body device be used for fertilizer feeding, shelf body device on be provided with primary breaker, primary breaker include biax motor (201) and slider axle (207), slider axle (207) slidable mounting is on shelf (101), primary breaker be used for carrying out preliminary breakage to fertilizer, main body device on be provided with smart breaker, smart breaker include connecting bucket (301), connecting bucket (301) fixed mounting is on shelf (101), smart breaker be used for the further breakage of fertilizer, main body device on be provided with smart grinder, smart grinder include connecting rack (401), connecting rack (401) fixed mounting is inboard at shelf (101), smart grinder be used for carrying out meticulous grinding to fertilizer;
the primary crushing device comprises a motor gear (202) fixedly arranged on a motor shaft of a double-shaft motor (201), a bevel gear (203) is fixedly arranged on the other motor shaft of the double-shaft motor (201), a transmission shaft (209) is rotatably arranged on a frame (101), a side bevel gear (204) and a large gear (205) are fixedly arranged on the transmission shaft (209), the side bevel gear (204) is meshed with the bevel gear (203), a connecting rod (206) is rotatably arranged on the large gear (205), the connecting rod (206) is rotatably arranged with a sliding block shaft (207), large powder fragments (208) are fixedly arranged on the sliding block shaft (207), and convex teeth are arranged on the large powder fragments (208);
the fine crushing device comprises a pinion (302) rotatably arranged on the outer side of the frame (101), the pinion (302) is meshed with the large gear (205), a small connecting rod (303) is rotatably arranged on the pinion (302), a friction plate (304) is rotatably arranged on the small connecting rod (303), and the friction plate (304) and the frame (101) are slidably arranged.
2. A fertilizer grinding and pulverizing apparatus as defined in claim 1, wherein: the frame body device comprises a frame (101), wherein a crushing plate (102) and a side crushing plate (103) are fixedly arranged in the frame (101), and wavy teeth (1031) are arranged on the side crushing plate (103).
3. A fertilizer grinding and pulverizing apparatus as defined in claim 1, wherein: the friction plate (304) is provided with movable wave teeth (3041), and the movable wave teeth (3041) are wave-shaped tooth plates.
4. A fertilizer grinding and pulverizing apparatus as defined in claim 1, wherein: the lapping device comprises a fixed tank (403) fixedly arranged on a connecting frame (401), the end part of the connecting frame (401) is fixedly arranged with a connecting hopper (301), a trolley (402) is arranged below the connecting frame (401), an inner rotary drum (406) is rotatably arranged on the fixed tank (403), a rotary gear (404) is fixedly arranged at the end part of the inner rotary drum (406), and a transmission belt (405) is wound outside the rotary gear (404) and the motor gear (202).
5. The fertilizer grinding and pulverizing device according to claim 4, wherein: a plurality of big grinding balls (407), middle grinding balls (408) and small grinding balls (409) are placed in the inner rotary cylinder (406), a plurality of protruding balls (4061) are arranged on the inner wall of the inner rotary cylinder (406), and a plurality of discharging holes (4062) are formed on the outer wall of the inner rotary cylinder (406).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311597048.0A CN117654735A (en) | 2023-11-28 | 2023-11-28 | Fertilizer grinding and crushing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311597048.0A CN117654735A (en) | 2023-11-28 | 2023-11-28 | Fertilizer grinding and crushing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN117654735A true CN117654735A (en) | 2024-03-08 |
Family
ID=90083731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311597048.0A Pending CN117654735A (en) | 2023-11-28 | 2023-11-28 | Fertilizer grinding and crushing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117654735A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104785318A (en) * | 2015-04-27 | 2015-07-22 | 绵阳金泰机械设备制造有限公司 | Efficient fertilizer crushing machine without sticking or blocking |
CN104923350A (en) * | 2015-06-19 | 2015-09-23 | 陆丽曼 | Heating type efficient ball mill for producing ceramics |
CN207576604U (en) * | 2017-10-12 | 2018-07-06 | 广东容大生物股份有限公司 | A kind of feed addictive processing damping reducing mechanism |
CN108855491A (en) * | 2018-07-19 | 2018-11-23 | 张祥成 | New energy biomass grinding device and breaking method |
CN111450920A (en) * | 2020-05-15 | 2020-07-28 | 杭州昊斯科技有限公司 | Clay slurrying sorting facilities with associated mineral products |
JP2021028065A (en) * | 2019-08-09 | 2021-02-25 | 胡金霞 | Multistage pulverizing device for cement production |
CN217093633U (en) * | 2021-11-16 | 2022-08-02 | 溧阳极盾新材料科技有限公司 | Multistage reducing mechanism of aluminium oxide powder |
CN116114865A (en) * | 2022-11-17 | 2023-05-16 | 苏州苏克生物科技有限公司 | Vegetable and fruit ferment preparation device |
CN116832896A (en) * | 2023-08-04 | 2023-10-03 | 四子王旗胜鑫矿业有限责任公司 | Energy-saving multi-stage crushing equipment and using method thereof |
-
2023
- 2023-11-28 CN CN202311597048.0A patent/CN117654735A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104785318A (en) * | 2015-04-27 | 2015-07-22 | 绵阳金泰机械设备制造有限公司 | Efficient fertilizer crushing machine without sticking or blocking |
CN104923350A (en) * | 2015-06-19 | 2015-09-23 | 陆丽曼 | Heating type efficient ball mill for producing ceramics |
CN207576604U (en) * | 2017-10-12 | 2018-07-06 | 广东容大生物股份有限公司 | A kind of feed addictive processing damping reducing mechanism |
CN108855491A (en) * | 2018-07-19 | 2018-11-23 | 张祥成 | New energy biomass grinding device and breaking method |
JP2021028065A (en) * | 2019-08-09 | 2021-02-25 | 胡金霞 | Multistage pulverizing device for cement production |
CN111450920A (en) * | 2020-05-15 | 2020-07-28 | 杭州昊斯科技有限公司 | Clay slurrying sorting facilities with associated mineral products |
CN217093633U (en) * | 2021-11-16 | 2022-08-02 | 溧阳极盾新材料科技有限公司 | Multistage reducing mechanism of aluminium oxide powder |
CN116114865A (en) * | 2022-11-17 | 2023-05-16 | 苏州苏克生物科技有限公司 | Vegetable and fruit ferment preparation device |
CN116832896A (en) * | 2023-08-04 | 2023-10-03 | 四子王旗胜鑫矿业有限责任公司 | Energy-saving multi-stage crushing equipment and using method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209222224U (en) | A kind of large-particle fertilizer fine mill | |
CN209968585U (en) | Novel agricultural chemical fertilizer is with breakage device | |
CN107876135A (en) | A kind of battery graphite material circulates disintegrating apparatus | |
CN215234551U (en) | Rubbing crusher is used in pectin processing | |
CN215389849U (en) | There is capsule production to use multistage reducing mechanism | |
CN210070608U (en) | Smelting recovery smelting furnace for metal alloy processing | |
CN210906437U (en) | Kitchen waste crusher | |
CN117654735A (en) | Fertilizer grinding and crushing device | |
CN115382608A (en) | Cone crusher is used in mining convenient to connect material | |
CN210994639U (en) | Broken integrated device that collects of peanut shell | |
CN215694387U (en) | Molybdenum metal material processing and smelting device with additional grinding function | |
CN210481222U (en) | Drying-machine feed structure that lees fermentation treatment system made organic fertilizer | |
CN209918044U (en) | Milling device is used in nano-material production | |
CN211677949U (en) | High-efficient fodder grinder | |
CN219463506U (en) | Coal crushing mechanism | |
CN219880538U (en) | Cement mill feeding feed divider | |
CN213434669U (en) | Chilli oil resin processing raw materials reducing mechanism | |
CN206980946U (en) | A kind of root of kudzu vine reducing mechanism | |
CN211412229U (en) | Poultry fodder reducing mechanism | |
CN215312623U (en) | Broken rice reducing mechanism is used in rice processing | |
CN205308411U (en) | Poultry feed rubbing crusher | |
CN219722976U (en) | Raw material crushing device for fertilizer production | |
CN217646531U (en) | Self-grinding mineral powder machine | |
CN220257859U (en) | Automatic crayfish feed production device | |
CN212702301U (en) | Even rubbing crusher of royal jelly freeze-dried powder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |