CN115646798B - Agricultural waste screening device for soil remediation - Google Patents
Agricultural waste screening device for soil remediation Download PDFInfo
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- CN115646798B CN115646798B CN202211431152.8A CN202211431152A CN115646798B CN 115646798 B CN115646798 B CN 115646798B CN 202211431152 A CN202211431152 A CN 202211431152A CN 115646798 B CN115646798 B CN 115646798B
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Abstract
The invention relates to the technical field of soil screening, and provides an agricultural waste screening device for soil remediation, which comprises a bearing mechanism, wherein a rotating assembly and an auxiliary assembly are arranged on the bearing mechanism, the rotating assembly comprises a screening rotary drum and a driving part, a filtering hole and a pressurizing part are arranged on the surface of the screening rotary drum, the auxiliary assembly comprises a first main body part, a second main body part, a connecting rod, a fixing rod and a scattering part, the connecting rod is rotationally connected between the second main body part and the first main body part, an inserting piece is connected onto the connecting rod, the scattering part is connected between the two connecting rods, a first sliding rod and a second sliding rod are respectively arranged in the first main body part and the second main body part, the ends of the first sliding rod and the second sliding rod are in contact connection with the inner surface of the screening rotary drum, and the ends of the first sliding rod and the second sliding rod are respectively provided with a first inclined surface and a second inclined surface, and the second inclined surface are in sliding connection with the pressurizing part, and the characteristics of high utilization rate and high screening efficiency are achieved.
Description
Technical Field
The invention relates to the technical field of soil screening, in particular to an agricultural waste screening device for soil remediation.
Background
Soil screening is a physical means of restoring soil, which is capable of screening soil according to particle size, and generally, larger particle soil is not suitable for cultivation of crops, and is generally deposited as waste on the field.
The existing soil screening device has the following defects when in use: (1) When the viscosity of the soil is high, the inner wall of the rotary drum for screening the soil is easy to adhere to the soil, and the filtering holes on the inner wall of the rotary drum are blocked over time, so that the working efficiency of screening is seriously affected; (2) Some of the larger granular soil in the soil cannot be knocked down again in the drum for use, resulting in insufficient utilization of the soil.
Disclosure of Invention
The invention aims to provide an agricultural waste screening device for soil remediation, and aims to solve the problem that products cannot be cooled efficiently when the existing agricultural waste screening device for soil remediation is used.
In order to achieve the above purpose, the invention provides a technical scheme that the agricultural waste screening device for soil remediation comprises a bearing mechanism, wherein a rotating assembly and an auxiliary assembly are arranged on the bearing mechanism, the rotating assembly comprises a screening rotary drum and a driving part, the driving part is in transmission connection with the screening rotary drum and is used for driving the screening rotary drum to rotate, and a filtering hole and a pressurizing part are arranged on the surface of the screening rotary drum;
the auxiliary assembly is located the screening rotary drum, the auxiliary assembly includes first main part, second main part, connecting rod, dead lever and breaks up the portion, first main part passes through dead lever and connects and bear the weight of mechanism, the connecting rod rotates and connects between second main part and first main part, be connected with the plug connector on the connecting rod, the quantity of connecting rod is two, break up the portion and connect between two connecting rods, be provided with first slide bar and second slide bar in first main part and the second main part respectively, first slide bar and second slide bar tip are connected with screening rotary drum internal surface contact, the tip of first slide bar and second slide bar is provided with first inclined plane and second inclined plane respectively, first inclined plane and second inclined plane and pressing piece sliding connection for drive plug connector and filtration pore insertion connection.
As a further scheme of the invention, the scattering part comprises a first elastic rope, an upper sphere, a second elastic rope, a lower sphere and a third elastic rope, wherein the two connecting rods are symmetrically distributed on the upper side and the lower side, the upper sphere and the lower sphere are respectively in a plurality of numbers, the upper spheres are respectively connected to the connecting rod above through the first elastic rope, the lower spheres are respectively connected to the connecting rod below through the third elastic rope, the second elastic rope is connected between the lower spheres and the upper spheres, the upper spheres are in contact connection, and the lower spheres are in contact connection.
As a further scheme of the invention, the first main body part further comprises a first fixed shell and a first reset spring, the first sliding rod is slidably connected in the first fixed shell, and the first reset spring is connected between the first fixed shell and the first sliding rod.
As a further scheme of the invention, the second main body part comprises a second fixed shell and a second reset spring, the second slide bar is connected in the second fixed shell in a sliding way, the second reset spring is connected between the second fixed shell and the second slide bar, the surfaces of the first slide bar and the second slide bar are respectively and fixedly connected with a first fixed sleeve and a second fixed sleeve, and two ends of the connecting bar are respectively and rotatably connected in the first fixed sleeve and the second fixed sleeve.
As a further scheme of the invention, the number of the pressing pieces is a plurality, the pressing pieces are symmetrical about the center of the screening rotary drum, the pressing pieces are pulleys, the pulleys are arranged on the inner wall of the screening rotary drum through brackets, and when the pulleys are in sliding connection with the first inclined surface and the second inclined surface of the first sliding rod and the second sliding rod, the pulleys are used for driving connecting rods on the upper side and the lower side to do linear motion, and then the upper sphere and the lower sphere are driven to move up and down through the first elastic rope and the third elastic rope.
As a further scheme of the invention, the plug connector is an elastic needle cluster, and after the elastic needle cluster is inserted into the filtering hole, the rotary screening rotary drum drives the connecting rod to rotate through the elastic needle cluster, and the connecting rod which rotates at the upper side and the lower side drives the upper sphere and the lower sphere to move up and down through the first elastic rope and the third elastic rope respectively.
As a further scheme of the invention, the plug connector is an elastic needle cluster, and after the elastic needle cluster is inserted into the filtering hole, the rotary screening rotary drum drives the connecting rod to rotate through the elastic needle cluster, and the connecting rod which rotates at the upper side and the lower side drives the upper sphere and the lower sphere to move up and down through the first elastic rope and the third elastic rope respectively.
As a further scheme of the invention, the bearing mechanism comprises a base, a fixed frame, a telescopic rod and a rotating frame, wherein the telescopic rod and the rotating frame are both movably connected to the base, the fixed frame is fixedly connected to the base, one end of the screening rotary drum is movably sleeved in the rotating frame, the other end of the screening rotary drum is lapped on the fixed frame, and the fixed rod is fixedly connected to the side wall of the rotating frame.
As a further scheme of the invention, the rotating assembly further comprises a feeding pipe, a transmission gear, a discharging pipe and a supporting frame, wherein the feeding pipe is fixedly connected to the central position of one end of the screening rotary drum, the discharging pipe is fixedly connected to the position, deviating from the center, of one end, close to the discharging pipe, of the screening rotary drum, the surface of a fixed rod is movably sleeved with one end, close to the discharging pipe, of the screening rotary drum, the surface of the feeding pipe is movably sleeved with a second fixed shell, the feeding pipe and a driving part are arranged on the supporting frame in a sleeved mode, the telescopic rod is hinged with the surface of the supporting frame, the transmission gear is fixedly sleeved on the surface of the feeding pipe, and the driving part is in meshed connection with the transmission gear.
The beneficial effects of the invention are as follows: the first slide bar and the second slide bar in the auxiliary assembly utilize the cooperation between the part of exerting pressure in first inclined plane and the second inclined plane and the screening rotary drum, not only can order about first slide bar and second slide bar to beat the screening rotary drum and in order this will adhere to the soil of screening rotary drum inner wall and beat down, can also peg graft the plug connector in the filtration pore, thereby will block up the clearance such as soil or stone in the filtration pore, can drive upper portion spheroid and lower part spheroid up-and-down motion through first elasticity rope and third elasticity rope again, with this soil granule that breaks up the volume great, not only can make soil obtain make full use of, can also improve the screening efficiency of soil.
Drawings
Fig. 1 is a schematic structural view of an agricultural waste screening device for soil remediation according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a bearing mechanism in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a rotating assembly according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of an auxiliary component in an embodiment of the invention.
Fig. 5 is a schematic diagram showing connection between the first body portion and the pressing member in the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a break-up portion according to an embodiment of the present invention.
Fig. 7 is an enlarged view of a portion of fig. 1 a in accordance with the present invention.
Fig. 8 is a perspective view of a sieving basket in an embodiment of the present invention.
Reference numerals: 1-bearing mechanism, 11-base, 12-fixed frame, 13-telescopic rod, 14-rotating frame, 2-rotating component, 21-screening rotary drum, 211-filtering hole, 22-feeding pipe, 221-transmission gear, 23-discharging pipe, 24-driving part, 25-pressure applying part, 26-supporting frame, 3-auxiliary component, 31-first main body part, 311-first fixed shell, 312-first slide bar, 313-first inclined plane, 314-first return spring, 315-first fixed sleeve, 32-second main body part, 321-second fixed shell, 322-second slide bar, 323-second inclined plane, 325-second fixed sleeve, 33-connecting rod, 331-plug connector, 34-fixed rod, 35-scattering part, 351-first elastic rope, 352-upper sphere, 353-second elastic rope, 354-lower sphere, 355-third elastic rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 8, an agricultural waste screening device for soil remediation according to an embodiment of the present invention includes a carrying mechanism 1, a rotating assembly 2 and an auxiliary assembly 3 are mounted on the carrying mechanism 1, the rotating assembly 2 includes a screening drum 21 and a driving portion 24, the driving portion 24 is in transmission connection with the screening drum 21 and is used for driving the screening drum 21 to rotate, and a filtering hole 211 and a pressing member 25 are disposed on the surface of the screening drum 21;
the auxiliary assembly 3 is located in the screening drum 21, the auxiliary assembly 3 comprises a first main body portion 31, a second main body portion 32, a connecting rod 33, a fixed rod 34 and a breaking portion 35, the first main body portion 31 is connected with the bearing mechanism 1 through the fixed rod 34, the connecting rod 33 is rotationally connected between the second main body portion 32 and the first main body portion 31, the connecting rod 33 is connected with plug connectors 331, the number of the connecting rods 33 is two, the breaking portion 35 is connected between the two connecting rods 33, a first sliding rod 312 and a second sliding rod 322 are respectively arranged in the first main body portion 31 and the second main body portion 32, the ends of the first sliding rod 312 and the second sliding rod 322 are in contact connection with the inner surface of the screening drum 21, the ends of the first sliding rod 312 and the second sliding rod 322 are respectively provided with a first inclined surface 313 and a second inclined surface 323, and the first inclined surface 313 and the second inclined surface 323 are in sliding connection with the pressing piece 25, and the plug connectors 331 are used for driving the plug connectors 331 to be in connection with the filtering holes 211.
In the embodiment of the invention, the first slide bar 312 and the second slide bar 322 in the auxiliary assembly 3 utilize the cooperation between the first inclined plane 313 and the second inclined plane 323 and the pressing piece 25 in the screening rotary drum 21, so that the first slide bar 312 and the second slide bar 322 can be driven to knock the screening rotary drum 21, the soil adhered to the inner wall of the screening rotary drum 21 can be knocked down, the plug connector 331 can be plugged into the filtering holes 211, the soil or stone and the like blocked in the filtering holes 211 can be cleaned down, and the upper sphere 352 and the lower sphere 354 can be driven to move up and down through the first elastic rope 351 and the third elastic rope 355, so that the soil particles with larger volume can be knocked down, and the soil screening efficiency can be improved.
Referring to fig. 1 to 8, in an embodiment of the present invention, the breaking portion 35 includes a first elastic rope 351, an upper sphere 352, a second elastic rope 353, a lower sphere 354 and a third elastic rope 355, the two connecting rods 33 are symmetrically distributed on the upper and lower sides, the number of the upper sphere 352 and the lower sphere 354 is several, the upper spheres 352 are respectively connected to the upper connecting rod 33 through the first elastic rope 351, the lower spheres 354 are respectively connected to the lower connecting rod 33 through the third elastic rope 355, the second elastic rope 353 is connected between the lower spheres 354 and the upper spheres 352, the upper spheres 352 are in contact connection, and the lower spheres 354 are in contact connection.
In the embodiment of the invention, the connecting rod 33 moving along with the first slide bar 312 and the second slide bar 322 drives the upper sphere 352 and the lower sphere 354 to move up and down respectively through the first elastic rope 351 and the third elastic rope 355, besides, the soil rotating along with the sieving drum 21 can push the upper sphere 352 and the lower sphere 354 to swing back and forth, and the up and down movement and the back and forth swing of the upper sphere 352 and the lower sphere 354 can break up soil particles with larger volume through the generated impact on one hand, and on the other hand, play a role in stirring the soil.
Referring to fig. 1 to 6, in an embodiment of the invention, the first body portion 31 further includes a first fixed housing 311 and a first return spring 314, the first sliding rod 312 is slidably connected in the first fixed housing 311, and the first return spring 314 is connected between the first fixed housing 311 and the first sliding rod 312.
Referring to fig. 1 to 8, in an embodiment of the present invention, the second body portion 32 includes a second fixing housing 321 and a second return spring, the second sliding rod 322 is slidably connected in the second fixing housing 321, the second return spring is connected between the second fixing housing 321 and the second sliding rod 322, the surfaces of the first sliding rod 312 and the second sliding rod 322 are fixedly connected with a first fixing sleeve 315 and a second fixing sleeve 325, and two ends of the connecting rod 33 are rotatably connected in the first fixing sleeve 315 and the second fixing sleeve 325, respectively.
In the embodiment of the present invention, after the pressing member 25 is separated from the first inclined surface 313 and the second inclined surface 323, the elastic force of the first return spring 314 and the second return spring can drive the first slide bar 312 and the second slide bar 322 to move reversely, so that the first slide bar 312 and the second slide bar 322 strike the sieving drum 21 according to a certain frequency, and when the viscosity of the soil is high, the soil adhered to the inner wall of the sieving drum 21 can be struck.
Referring to fig. 1 to 5, in one embodiment of the present invention, the number of the pressing members 25 is a plurality, the plurality of pressing members 25 are symmetrical about the center of the sieving drum 21, the pressing members 25 are pulleys, the pulleys are mounted on the inner wall of the sieving drum 21 through brackets, and the pulleys are used for driving the connecting rods 33 on the upper and lower sides to do a linear motion when being slidably connected with the first inclined surface 313 and the second inclined surface 323 of the first slide bar 312 and the second slide bar 322, and further driving the upper sphere 352 and the lower sphere 354 to do an up-down motion through the first elastic rope 351 and the third elastic rope 355.
Referring to fig. 1 to 8, in an embodiment of the present invention, the plug 331 is an elastic needle cluster, and after the elastic needle cluster is inserted into the filtering hole 211, the rotating screening drum 21 drives the connecting rod 33 to rotate through the elastic needle cluster, and the connecting rod 33 rotating at the upper side and the lower side drives the upper sphere 352 and the lower sphere 354 to move up and down through the first elastic rope 351 and the third elastic rope 355, respectively.
Referring to fig. 1 to 8, in an embodiment of the invention, the carrying mechanism 1 includes a base 11, a fixing frame 12, a telescopic rod 13 and a rotating frame 14, wherein the telescopic rod 13 and the rotating frame 14 are movably connected to the base 11, the fixing frame 12 is fixedly connected to the base 11, one end of the sieving drum 21 is movably sleeved in the rotating frame 14, the other end thereof is lapped on the fixing frame 12, and the fixing rod 34 is fixedly connected to a side wall of the rotating frame 14.
Referring to fig. 1 to 6, in an embodiment of the present invention, the rotating assembly 2 further includes a feeding pipe 22, a transmission gear 221, a discharging pipe 23 and a supporting frame 26, the feeding pipe 22 is fixedly connected to a central position of one end of the sieving drum 21, the discharging pipe 23 is fixedly connected to a position of one end of the sieving drum 21 deviating from the center, one end of the sieving drum 21, which is close to the discharging pipe 23, is movably sleeved on a surface of a fixing rod 34, the second fixing housing 321 is movably sleeved on a surface of the feeding pipe 22, the feeding pipe 22 and a driving portion 24 are mounted on the supporting frame 26, the telescopic rod 13 is hinged to a surface of the supporting frame 26, the transmission gear 221 is fixedly sleeved on a surface of the feeding pipe 22, and the driving portion 24 is meshed with the transmission gear 221.
In the embodiment of the invention, when the waste material in the screening rotary drum 21 needs to be discharged, the telescopic rod 13 can drive the screening rotary drum 21 and the rotary frame 14 to rotate a certain angle, so that the waste material is discharged from the discharging pipe 23.
The working principle of the invention is as follows: after soil is put into the sieving cylinder 21 from the feeding pipe 22, the driving part 24 drives the sieving cylinder 21 to rotate, the rotating sieving cylinder 21 can sieve out small soil particles from the filtering holes 211 in the rotating process, when the pressing piece 25 rotating along with the sieving cylinder 21 contacts with the first inclined surface 313 and the second inclined surface 323 on the first sliding rod 312 and the second sliding rod 322, the first sliding rod 312 and the second sliding rod 322 can be pressed into the first fixed shell 311 and the second fixed shell 321 in a sliding connection mode, after the pressing piece 25 is separated from the first inclined surface 313 and the second inclined surface 323, the elastic force of the first reset spring 314 and the second reset spring can drive the first sliding rod 312 and the second sliding rod 322 to reversely move, so that the first sliding rod 312 and the second sliding rod 322 beat the sieving cylinder 21 according to a certain frequency, when the viscosity of the soil is large, the soil adhered to the inner wall of the sieving drum 21 can be knocked down, and at the same time, the connecting rod 33 moving along with the first slide bar 312 and the second slide bar 322 can also plug the plug 331 into the filtering hole 211, so that the soil or stone and the like blocked in the filtering hole 211 can be cleaned, and after the plug 331 is an elastic needle cluster, the rotating sieving drum 21 drives the connecting rod 33 to rotate through the elastic needle cluster after the elastic needle cluster is inserted into the filtering hole 211, the connecting rod 33 rotating at the upper side and the lower side drives the upper ball 352 and the lower ball 354 to move up and down through the first elastic rope 351 and the third elastic rope 355 respectively, and at the same time, the connecting rod 33 moving along with the first slide bar 312 and the second slide bar 322 drives the upper ball 352 and the lower ball 354 to move up and down through the first elastic rope 351 and the third elastic rope 355 respectively, the soil which follows the rotation of the screening drum 21 can push the upper ball 352 and the lower ball 354 to swing back and forth, the upper ball 352 and the lower ball 354 move up and down and swing back and forth, on one hand, the soil particles with larger volume are knocked into pieces through the generated impact, on the other hand, the effect of stirring the soil is achieved, the soil can be fully utilized, and the screening efficiency of the soil can be improved.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and their equivalents.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The agricultural waste screening device for soil remediation comprises a bearing mechanism, and is characterized in that a rotating assembly and an auxiliary assembly are installed on the bearing mechanism, the rotating assembly comprises a screening rotary drum and a driving part, the driving part is in transmission connection with the screening rotary drum and is used for driving the screening rotary drum to rotate, and a filtering hole and a pressure applying part are arranged on the surface of the screening rotary drum;
the auxiliary assembly is positioned in the screening rotary drum and comprises a first main body part, a second main body part, connecting rods, fixing rods and a scattering part, wherein the first main body part is connected with a bearing mechanism through the fixing rods, the connecting rods are rotationally connected between the second main body part and the first main body part, plug connectors are connected to the connecting rods, the number of the connecting rods is two, the scattering part is connected between the two connecting rods, a first sliding rod and a second sliding rod are respectively arranged in the first main body part and the second main body part, the end parts of the first sliding rod and the end parts of the second sliding rod are in contact connection with the inner surface of the screening rotary drum, and a first inclined surface and a second inclined surface are respectively arranged at the end parts of the first sliding rod and the second sliding rod and are in sliding connection with a pressing piece and are used for driving the plug connectors to be inserted and connected with the filtering holes;
the breaking part comprises a first elastic rope, an upper sphere, a second elastic rope, a lower sphere and a third elastic rope, wherein the two connecting rods are symmetrically distributed on the upper side and the lower side, the upper spheres and the lower spheres are all in a plurality, the upper spheres are respectively connected to the connecting rod above through the first elastic rope, the lower spheres are respectively connected to the connecting rod below through the third elastic rope, the second elastic rope is connected between the lower spheres and the upper spheres, the upper spheres are in contact connection, and the lower spheres are in contact connection;
the first main body part further comprises a first fixed shell and a first reset spring, the first sliding rod is slidably connected in the first fixed shell, and the first reset spring is connected between the first fixed shell and the first sliding rod;
the second main part includes second fixed casing and second reset spring, second slide bar sliding connection is in the second fixed casing, be connected with second reset spring between second fixed casing and the second slide bar, first slide bar and second slide bar surface fixedly connected with first fixed sleeve and second fixed sleeve respectively, the both ends of connecting rod rotate respectively and connect in first fixed sleeve and second fixed sleeve.
2. The agricultural waste screening device for soil remediation according to claim 1, wherein the number of the pressing pieces is a plurality of, the pressing pieces are symmetrical about the center of the screening drum, the pressing pieces are pulleys, the pulleys are mounted on the inner wall of the screening drum through brackets, and the pulleys are used for driving connecting rods on the upper side and the lower side to do linear motion when being in sliding connection with the first inclined surface and the second inclined surface of the first sliding rod and the second sliding rod, and further driving the upper ball body and the lower ball body to do up-down motion through the first elastic rope and the third elastic rope.
3. The agricultural waste screening device for soil remediation according to claim 2, wherein the plug-in connector is an elastic needle cluster, and the rotating screening drum drives the connecting rod to rotate through the elastic needle cluster after the elastic needle cluster is inserted into the filtering hole, and the connecting rod which rotates at the upper side and the lower side drives the upper ball body and the lower ball body to move up and down through the first elastic rope and the third elastic rope respectively.
4. The agricultural waste screening device for soil remediation according to claim 3, wherein the bearing mechanism comprises a base, a fixing frame, a telescopic rod and a rotating frame, the telescopic rod and the rotating frame are movably connected to the base, the fixing frame is fixedly connected to the base, one end of the screening rotary drum is movably sleeved in the rotating frame, the other end of the screening rotary drum is lapped on the fixing frame, and the fixing rod is fixedly connected to the side wall of the rotating frame.
5. The agricultural waste screening device for soil remediation according to claim 4, wherein the rotating assembly further comprises a feeding pipe, a transmission gear, a discharging pipe and a supporting frame, the feeding pipe is fixedly connected to the central position of one end of the screening rotary drum, the discharging pipe is fixedly connected to the position of one end of the screening rotary drum deviating from the center, one end, close to the discharging pipe, of the screening rotary drum is movably sleeved on the surface of a fixed rod, the second fixed shell is movably sleeved on the surface of the feeding pipe, the feeding pipe and the driving part are installed on the supporting frame, the telescopic rod is hinged to the surface of the supporting frame, the transmission gear is fixedly sleeved on the surface of the feeding pipe, and the driving part is meshed with the transmission gear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211431152.8A CN115646798B (en) | 2022-11-16 | 2022-11-16 | Agricultural waste screening device for soil remediation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211431152.8A CN115646798B (en) | 2022-11-16 | 2022-11-16 | Agricultural waste screening device for soil remediation |
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| CN115646798A CN115646798A (en) | 2023-01-31 |
| CN115646798B true CN115646798B (en) | 2023-05-09 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000664B (en) * | 2010-11-14 | 2012-11-21 | 张立省 | Special automatic rapping rotary screen for screening compound fertilizer |
| CN203991247U (en) * | 2014-08-21 | 2014-12-10 | 云南星源肥业有限公司 | Automatic clearance roto-siofter |
| CN105107712A (en) * | 2015-08-28 | 2015-12-02 | 重庆市永川区天堂化工厂 | Anti-blockage fertilizer screening device |
| CN106583243B (en) * | 2016-12-28 | 2019-05-07 | 周海兵 | Remove plug-hole type screening fertilizer device |
| CN109013270A (en) * | 2018-09-15 | 2018-12-18 | 江西中烟工业有限责任公司 | A kind of efficient industrial tobacco processing screening drying unit |
| CN211538467U (en) * | 2019-09-30 | 2020-09-22 | 上海翊兆市政工程材料有限公司 | Screening machine |
| CN111974664A (en) * | 2020-08-12 | 2020-11-24 | 保定市方正机械厂 | Anti-blocking self-cleaning type drum screening machine |
| CN214052443U (en) * | 2020-12-08 | 2021-08-27 | 南京寒锐钴业股份有限公司 | Drum screen with built-in vibration hammer |
| CN217748096U (en) * | 2022-07-19 | 2022-11-08 | 大冶市万东矿山设备有限公司 | Rolling screen patting and cleaning device |
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