CN112221567A - Gardens are with hardened fertilizer oscillating equipment of deblocking - Google Patents
Gardens are with hardened fertilizer oscillating equipment of deblocking Download PDFInfo
- Publication number
- CN112221567A CN112221567A CN202011007935.4A CN202011007935A CN112221567A CN 112221567 A CN112221567 A CN 112221567A CN 202011007935 A CN202011007935 A CN 202011007935A CN 112221567 A CN112221567 A CN 112221567A
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- CN
- China
- Prior art keywords
- grinding
- groove
- crushing
- fertilizer
- gardens
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Classifications
-
- 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
- B02C1/14—Stamping mills
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/11—High-speed drum mills
-
- 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
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
-
- 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
- B02C4/42—Driving mechanisms; Roller speed control
Abstract
The invention discloses a garden hardened fertilizer swing type deblocking device, which relates to the technical field of garden fertilization auxiliary equipment and comprises a crushing box and a grinding groove, wherein the crushing box is internally provided with the crushing groove, the middle part in the grinding groove is provided with a grinding roller, the grinding roller is connected with a push plate, rack plates are symmetrically and fixedly arranged on the left side and the right side of the push plate, half gears are symmetrically arranged on the left side and the right side of the push plate, the half gears are fixedly connected with a limiting sleeve, an expansion spring is arranged in the limiting sleeve, the expansion spring is fixedly connected with a limiting plate, the limiting plate is connected with a limiting rod, the limiting rod is connected with a grinding roller, the grinding roller repeatedly impacts and crushes fertilizer in the grinding groove, the half gears drive the lower grinding roller to repeatedly roll in the grinding groove to fully grind and crush the fertilizer in the grinding groove, a blade blows the ground fine fertilizer into a storage box through a discharge pipe, and the, need not the manual work and go on breaking to the fertilizer that hardens, the effect is better, has saved the manpower.
Description
Technical Field
The invention relates to the technical field of garden fertilization auxiliary equipment, in particular to hardened fertilizer swing type deblocking equipment for gardens.
Background
The fertilizer is a substance which provides one or more nutrient elements necessary for plants, improves the soil property and improves the soil fertility level, is one of the material bases of agricultural production, and mainly comprises ammonium phosphate fertilizers, macroelement water-soluble fertilizers, secondary element fertilizers, biological fertilizers, organic fertilizers, multi-dimensional field energy concentrated organic fertilizers and the like.
At the in-process of looking after in gardens need constantly fertilize the plant, at present, before using the fertilizer that hardens, the user of service need break up the fertilizer that hardens with the fingers and thumb with the manual work, can't carry out fine crushing with fertilizer like this, and fertilization quality is poor, has seriously wasted gardens staff's time and physical power.
Disclosure of Invention
The invention aims to provide a garden hardened fertilizer swing type deblocking device to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a garden hardened fertilizer swing type deblocking device comprises a crushing box and a grinding groove, wherein the left side and the right side of the upper part in the crushing box are symmetrically provided with a crushing groove, the left side and the right side of the crushing groove are both provided with a rotating rod, the rotating rod is rotationally connected with the inner wall of the crushing groove and the side wall of the crushing box, a first driving motor is arranged above the right side wall of the crushing box, the output end of the first driving motor extends and is fixedly connected with the rotating rod, the surface of the rotating rod in the crushing groove is symmetrically provided with a plurality of crushing cutter teeth, the left side and the right side of the upper surface of the top wall of the crushing box are symmetrically provided with feed inlets, the lower part of the feed inlets is connected with the crushing groove, the bottom of the crushing groove is provided with a blanking pipe, one end of the blanking pipe, which is far away from the crushing groove, extends to the upper part of the grinding, the surface of the crankshaft is rotatably connected with a first supporting rod, one end of the first supporting rod, which is far away from the crankshaft, extends and is movably connected with a second supporting rod, the bottom end of the second supporting rod is fixedly connected with a push plate, rack plates are symmetrically and fixedly arranged on the left side and the right side of the push plate, half gears are symmetrically arranged on the left side and the right side of the push plate, the half gears are respectively and rotatably connected with the inner wall of the crushing box, the half gears are respectively and rotatably meshed with the rack plates on the left side and the right side, the half gears are fixedly connected with a limiting sleeve, an expansion spring is arranged in the limiting sleeve, the expansion spring is fixedly connected with a limiting plate, the limiting plate is slidably connected with the limiting sleeve, one end, which is far away from the expansion spring, of the limiting plate is fixedly connected with a limiting rod, one end, the improved crushing box is characterized in that a notch is formed in the middle of the bearing plate, a centrifugal cylinder is arranged under the notch and is connected with the inner wall of the crushing box in a rotating mode, a driving motor II is arranged below the right side wall of the crushing box, the output end of the driving motor II is fixedly connected with the centrifugal cylinder, a material receiving opening is formed in the upper portion of the centrifugal cylinder, and a sealing plate is arranged between the material receiving openings.
As a further scheme of the invention: and an electromagnetic valve is arranged between the blanking pipe and the crushing groove.
As a further scheme of the invention: the grinding groove is a semicircular grinding groove.
As a further scheme of the invention: and a buffer cushion is arranged on the lower surface of the grinding roller.
As a further scheme of the invention: grinding balls are uniformly arranged on the surface of the grinding rotary drum.
As a still further scheme of the invention: grind groove right side below and set up the blade, the blade extends fixed connection bearing through the pivot, the bearing passes through the belt rotation with driving motor and is connected, smash case left side wall below and connect the row material pipe, arrange the material pipe and be connected with the storage case.
As a further scheme of the invention: the sealing plate is connected with clamping grooves at two ends of the material receiving port in a sliding mode, and fastening bolts are symmetrically arranged on the left side and the right side of the sealing plate.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides a gardens are with fertilizer oscillating equipment of deblocking that hardens, the dwang drives the broken sword tooth in surface and rotates and carry out preliminary breakage to adding the fertilizer that hardens to broken inslot, the fertilizer that the grinding roller is located the grinding inslot is strikeed repeatedly and is smashed, the semi-gear drives the below and grinds the cylinder and at the reciprocal roll of grinding inslot, carry out the abundant grinding breakage to the fertilizer that grinds the inslot, tiny fertilizer after the blade will be ground blows to the storage case in through arranging the material pipe, two driving motor drive centrifugal cylinder rotations, the fertilizer that will be located the centrifugal cylinder through the centrifugal force effect is fully broken up, it is broken to the board knot fertilizer to need not the manual work, the effect is better, the manpower has been saved.
Drawings
Fig. 1 is a schematic structural diagram of a hardened fertilizer swing type deblocking device for gardens.
Fig. 2 is a schematic structural diagram of the interior of a grinding groove in a hardened fertilizer swing type deblocking device for gardens.
Fig. 3 is a schematic structural diagram of a grinding drum in the hardened fertilizer swing type deblocking equipment for gardens.
Fig. 4 is a schematic structural diagram of a centrifuge bowl in a hardened fertilizer swing type deblocking device for gardens.
In the figure: 1-crushing box; 2-crushing cutter teeth; 3-rotating the rod; 4-a crushing tank; 5-a feed inlet; 6-crankshaft; 7-driving a first motor; 8-a strut I; 9-an electromagnetic valve; 10-a blanking pipe; 11-grinding groove; 12-a belt; 13-a bearing; 14-bearing plates; 15-driving a second motor; 16-a centrifuge bowl; 17-a material storage box; 18-a discharge pipe; 19-notches; 20-blades; 21-strut two; 22-a push plate; 23-a rack plate; 24-half gear; 25-a cushion pad; 26-grinding rolls; 27-a limit sleeve; 28-a telescoping spring; 29-a limiting rod; 30-a grinding drum; 31-grinding the balls; 32-limiting plate; 33-sealing plate; 34-material receiving port; 35-blanking hole.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Referring to fig. 1-3, a swinging type deblocking device for hardened fertilizers for gardens comprises a crushing box 1 and a grinding groove 11, wherein crushing grooves 4 are symmetrically arranged on the left side and the right side of the upper part in the crushing box 1, rotating rods 3 are arranged on the left side and the right side of the crushing groove 4, the rotating rods 3 are rotatably connected with the inner wall of the crushing groove 4 and the side wall of the crushing box 1, a first driving motor 7 is arranged above the right side wall of the crushing box 1, the output end of the first driving motor 7 extends and is fixedly connected with the rotating rods 3, a plurality of crushing cutter teeth 2 are symmetrically arranged on the surface of the rotating rods 3 in the crushing groove 4, feed inlets 5 are symmetrically arranged on the left side and the right side of the upper surface of the top wall of the crushing box 1, the lower part of the feed inlets 5 is connected with the crushing groove 4, a blanking pipe 10 is arranged at the bottom of the crushing groove 4, one end of the blanking pipe 10 far away from the, rotate through driving motor 7, driving motor 7 drives dwang 3 and rotates, dwang 3 drives broken sword tooth 2 in surface and rotates and carry out preliminary breakage to adding to the hardened fertilizer in broken groove 4, it sets up grinding roller 26 to grind the middle part in groove 11, grinding roller 26 keeps away from the one end fixed connection push pedal 22 who grinds groove 11, dwang 3 middle part sets up bent axle 6, bent axle 6 surface is rotated and is connected branch 8, the one end that bent axle 6 was kept away from to branch 8 extends swing joint branch two 21, branch two 21 bottom end and push pedal 22 fixed connection, push pedal 22 left and right sides symmetry fixed mounting rack plate 23, push pedal 22 left and right sides symmetry sets up half gear 24, half gear 24 is connected with crushing case 1 inner wall rotation, the left and right sides half gear 24 all meshes with rack plate 23, half gear 24 fixed connection limit sleeve 27, set up expanding spring 28 in the spacing sleeve 27, expanding spring 28 and limiting plate 32 fixed connection, limiting plate 32 and spacing sleeve 27 sliding connection, the one end fixed connection gag lever post 29 of expanding spring 28 is kept away from to limiting plate 32, limiting plate 32's one end is passed limiting sleeve 27 to the gag lever post 29 and is extended the rotation and connect grinding roller 30, and the hardened fertilizer after 4 preliminary broken in broken groove falls to grinding groove 11 in, dwang 3 drives bent axle 6 and rotates, bent axle 6 promotes push pedal 22 and grinding roller 26 reciprocating motion from top to bottom in vertical direction through branch 8 and branch two 21, grinding roller 26 strikes repeatedly the fertilizer that is located grinding groove 11 and smashes, push pedal 22 drives the rotation of half gear 24 through rack plate 23, half gear 24 drives below grinding roller 30 and grinds groove 11 reciprocal roll, fully grinding and crushing the fertilizer in the grinding groove 11, wherein blanking holes 35 are uniformly formed in the bottom of the grinding groove 11, and the ground fertilizer falls below the grinding groove 11 through the blanking holes 35.
Further, in order to control the blanking speed of the blanking pipe 10, in this embodiment, an electromagnetic valve 9 is disposed between the blanking pipe 10 and the crushing tank 4.
Further, in order to improve the polishing effect of the polishing grooves 11, in the present embodiment, the polishing grooves 11 are semicircular polishing grooves.
Further, in order to improve the buffer function between the grinding roller 26 and the grinding groove 11, in this embodiment, a buffer pad 25 is disposed on the lower surface of the grinding roller 26.
Further, in order to improve the grinding effect of the grinding drum 30, in the present embodiment, the grinding balls 31 are uniformly disposed on the surface of the grinding drum 30.
Further, in order to unify the collection through the fertilizer after grinding groove 11, in this embodiment, grind groove 11 right side below and set up blade 20, blade 20 extends fixed connection bearing 13 through the pivot, bearing 13 passes through belt 12 with driving motor 7 and rotates and be connected, smash case 1 left side wall below and connect row material pipe 18, row material pipe 18 is connected with storage tank 17, driving motor 7 drives blade 20 through belt 12 and bearing 13 and rotates, grind the in-process of fertilizer in the groove 11 whereabouts through blanking hole 35, blade 20 blows the tiny fertilizer after grinding to storage tank 17 in through row material pipe 18.
Example 2
Referring to fig. 1-4, based on example 1, in order to re-crush the hardened manure that has not been sufficiently ground, a bearing plate 14 is arranged at the lower part in the crushing box 1, a notch 19 is arranged at the middle part of the bearing plate 14, a centrifugal cylinder 16 is arranged right below the notch 19, the centrifugal cylinder 16 is rotationally connected with the inner wall of the crushing box 1, a second driving motor 15 is arranged below the right side wall of the crushing box 1, the output end of the second driving motor 15 is fixedly connected with a centrifugal cylinder 16, a material receiving opening 34 is arranged above the centrifugal cylinder 16, a sealing plate 33 is arranged between the material receiving openings 34, the fertilizer on the surface of the bearing plate 14 falls into the centrifugal cylinder 16 through the material receiving opening 34, when the fertilizer in the centrifugal cylinder 16 reaches a certain amount, the second driving motor 15 is started, the second driving motor 15 rotates, the second driving motor 15 drives the centrifugal cylinder 16 to rotate, and the fertilizer in the centrifugal cylinder 16 is fully scattered through the centrifugal force.
Further, in order to prevent the sealing plate 33 from sliding off when the centrifuge tube 16 rotates, in this embodiment, the sealing plate 33 is slidably connected to the clamping grooves at two ends of the material receiving opening 34, and fastening bolts are symmetrically arranged on the left side and the right side of the sealing plate 33.
The working principle of the invention is as follows: a garden hardened fertilizer swing type deblocking device is characterized in that hardened fertilizers to be broken are added into a breaking groove 4 through a feed inlet 5, the hardened fertilizers added into the breaking groove 4 are rotated through a driving motor I7, the driving motor I7 drives a rotating rod 3 to rotate, the rotating rod 3 drives surface breaking cutter teeth 2 to rotate to carry out primary breaking on the hardened fertilizers added into the breaking groove 4, the hardened fertilizers subjected to primary breaking in the breaking groove 4 fall into a grinding groove 11, the rotating rod 3 drives a crankshaft 6 to rotate, the crankshaft 6 pushes a push plate 22 and a grinding roller 26 to reciprocate up and down in the vertical direction through a support rod I8 and a support rod II 21, the grinding roller 26 repeatedly impacts and crushes the fertilizers positioned in the grinding groove 11, the push plate 22 drives a half gear 24 to rotate through a rack plate 23, the half gear 24 drives a grinding roller 30 below to reciprocate in the grinding groove 11, and fully grinds the fertilizers in the grinding groove 11, during the process that fertilizer in the grinding groove 11 falls through the blanking hole 35, the tiny fertilizer after will grinding is blown to the storage box 17 through the row material pipe 18 to the blade 20, and the fertilizer on the surface of the receiving plate 14 falls to the centrifuge bowl 16 through the material receiving opening 34, and after the fertilizer in the centrifuge bowl 16 is accumulated to reach a certain amount, the driving motor II 15 is started, the driving motor II 15 rotates, the driving motor II 15 drives the centrifuge bowl 16 to rotate, and the fertilizer in the centrifuge bowl 16 is fully scattered through the centrifugal force effect.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The swing type deblocking equipment for hardened fertilizer for gardens comprises a crushing box (1) and a grinding groove (11), and is characterized in that the crushing groove (4) is symmetrically arranged at the left side and the right side of the upper part in the crushing box (1), rotating rods (3) are arranged at the left side and the right side in the crushing groove (4), the rotating rods (3) are rotatably connected with the inner wall of the crushing groove (4) and the side wall of the crushing box (1), a driving motor I (7) is arranged above the right side wall of the crushing box (1), the output end of the driving motor I (7) extends and is fixedly connected with the rotating rods (3), a plurality of crushing cutter teeth (2) are symmetrically arranged on the surface of the rotating rods (3) in the crushing groove (4), feed inlets (5) are symmetrically arranged at the left side and the right side of the upper surface of the top wall of the crushing box (1), the lower part of each feed inlet (5) is connected with the crushing groove (4), a, the one end that broken groove (4) was kept away from in blanking pipe (10) extends to and grinds groove (11) top, it sets up grinding roller (26) to grind the middle part in groove (11), grind one end fixed connection push pedal (22) of grinding groove (11) are kept away from in roller (26), dwang (3) middle part sets up bent axle (6), bent axle (6) surface rotates and connects branch (8), the one end that bent axle (6) were kept away from in branch (8) extends swing joint branch two (21), branch two (21) bottom end and push pedal (22) fixed connection, push pedal (22) left and right sides symmetry fixed mounting rack plate (23), push pedal (22) left and right sides symmetry sets up half gear (24), half gear (24) with smash case (1) inner wall and rotate and be connected, left and right sides half gear (24) all mesh with rack plate (23), the semi-gear (24) is fixedly connected with a limit sleeve (27), an expansion spring (28) is arranged in the limit sleeve (27), the expansion spring (28) is fixedly connected with a limit plate (32), the limit plate (32) is slidably connected with the limit sleeve (27), one end of the limit plate (32) far away from the expansion spring (28) is fixedly connected with a limit rod (29), one end of the limit rod (29) far away from the limit plate (32) penetrates through the limit sleeve (27) to extend and rotate to be connected with a grinding roller (30), blanking holes (35) are evenly formed in the bottom of a grinding groove (11), an accepting plate (14) is arranged below the inner side of the grinding box (1), a notch (19) is formed in the middle of the accepting plate (14), a centrifugal cylinder (16) is arranged under the notch (19), the centrifugal cylinder (16) is rotatably connected with the inner wall of the grinding box (1), a second driving motor (15) is arranged below the right side wall of the grinding box (1), the output end of the second driving motor (15) is fixedly connected with the centrifugal cylinder (16), a material receiving opening (34) is formed in the upper portion of the centrifugal cylinder (16), and a sealing plate (33) is arranged between the material receiving openings (34).
2. The hardened fertilizer swing type deblocking equipment for gardens according to claim 1, characterized in that a solenoid valve (9) is arranged between the blanking pipe (10) and the crushing tank (4).
3. The swing type deblocking equipment for hardened fertilizers for gardens according to claim 1, wherein the grinding groove (11) is a semicircular grinding groove.
4. The swing type deblocking equipment for hardened fertilizers for gardens as claimed in claim 1, wherein the lower surface of the grinding roller (26) is provided with a cushion pad (25).
5. The swing type deblocking equipment for hardened fertilizers for gardens as claimed in claim 1, wherein the grinding balls (31) are uniformly arranged on the surface of the grinding drum (30).
6. The swing type deblocking equipment for hardened fertilizers for gardens as claimed in claim 1 or 3, wherein a blade (20) is arranged at the lower right of the grinding groove (11), the blade (20) is fixedly connected with a bearing (13) through a rotating shaft in an extending manner, the bearing (13) is rotatably connected with a first driving motor (7) through a belt (12), a discharge pipe (18) is connected below the left side wall of the crushing box (1), and the discharge pipe (18) is connected with a storage box (17).
7. The swing type deblocking equipment for hardened fertilizers for gardens as claimed in claim 1, wherein the sealing plate (33) is slidably connected with clamping grooves at two ends of the material receiving opening (34), and fastening bolts are symmetrically arranged on the left side and the right side of the sealing plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011007935.4A CN112221567A (en) | 2020-09-23 | 2020-09-23 | Gardens are with hardened fertilizer oscillating equipment of deblocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011007935.4A CN112221567A (en) | 2020-09-23 | 2020-09-23 | Gardens are with hardened fertilizer oscillating equipment of deblocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112221567A true CN112221567A (en) | 2021-01-15 |
Family
ID=74108577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011007935.4A Withdrawn CN112221567A (en) | 2020-09-23 | 2020-09-23 | Gardens are with hardened fertilizer oscillating equipment of deblocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112221567A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649118A (en) * | 2021-07-28 | 2021-11-16 | 青岛理工大学 | Fertilizer grinding mechanism, water and fertilizer mixing device and water and fertilizer solution preparation production line |
| CN113816781A (en) * | 2021-09-09 | 2021-12-21 | 安徽科技学院 | Device and method for preparing special selenium-rich liquid fertilizer for blueberries by utilizing hydrothermal solution of blue algae |
| CN114160256A (en) * | 2021-12-01 | 2022-03-11 | 深圳永宁现代包装实业有限公司 | Multi-station machine for producing biaxially oriented polystyrene sheets |
| CN114793577A (en) * | 2022-04-06 | 2022-07-29 | 浙江农林大学 | Improve sweet potato field acidized biomass charcoal and fertilizer injection unit of conditioner |
| CN115615158A (en) * | 2022-11-02 | 2023-01-17 | 无锡土博士生态科技有限公司 | Soil monitoring sample air-dries device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649118A (en) * | 2021-07-28 | 2021-11-16 | 青岛理工大学 | Fertilizer grinding mechanism, water and fertilizer mixing device and water and fertilizer solution preparation production line |
| CN113649118B (en) * | 2021-07-28 | 2022-08-05 | 青岛理工大学 | Fertilizer grinding mechanism, water and fertilizer mixing device and water and fertilizer solution preparation production line |
| CN113816781A (en) * | 2021-09-09 | 2021-12-21 | 安徽科技学院 | Device and method for preparing special selenium-rich liquid fertilizer for blueberries by utilizing hydrothermal solution of blue algae |
| CN114160256A (en) * | 2021-12-01 | 2022-03-11 | 深圳永宁现代包装实业有限公司 | Multi-station machine for producing biaxially oriented polystyrene sheets |
| CN114793577A (en) * | 2022-04-06 | 2022-07-29 | 浙江农林大学 | Improve sweet potato field acidized biomass charcoal and fertilizer injection unit of conditioner |
| CN115615158A (en) * | 2022-11-02 | 2023-01-17 | 无锡土博士生态科技有限公司 | Soil monitoring sample air-dries device |
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Application publication date: 20210115 |