CN113000376A - Equipment capable of realizing repeated circulating treatment of grains - Google Patents
Equipment capable of realizing repeated circulating treatment of grains Download PDFInfo
- Publication number
- CN113000376A CN113000376A CN202110132411.6A CN202110132411A CN113000376A CN 113000376 A CN113000376 A CN 113000376A CN 202110132411 A CN202110132411 A CN 202110132411A CN 113000376 A CN113000376 A CN 113000376A
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- China
- Prior art keywords
- fan
- shaped
- foreign matter
- treatment
- air
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses equipment capable of realizing repeated cyclic treatment of grains, and relates to the technical field of crop treatment.
Description
Technical Field
The invention relates to the technical field of crop treatment, in particular to equipment capable of realizing repeated cyclic treatment of grains.
Background
Since grains are produced as natural agricultural products inevitably as foreign matter or rainwater, they are one of essential processes for grain treatment, and conventional grain treatment facilities are single in function, cannot perform circular treatment, and generally require grain transfer and retreatment, and therefore, improvement of conventional grain treatment facilities is worth study.
Disclosure of Invention
The invention aims to provide equipment capable of realizing multiple times of circulating treatment of grains, which has the advantages of circulating treatment and reduced transportation.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an equipment that can realize cereal multiple cycle and handle, includes the U-shaped mounting bracket, the U-shaped mounting bracket on rotate and be connected with the cylinder and handle the fan of storehouse, movable mounting in cylinder processing storehouse one side and set up in the foreign matter diverting device that the intermittent type nature of cylinder processing storehouse opposite side switched on, the U-shaped mounting bracket on be equipped with the drive the fan with the cylinder handle the storehouse to not equidirectional pivoted drive arrangement.
Through adopting above-mentioned technical scheme, adopt drive arrangement to drive the cylinder and handle the storehouse and rotate repeatedly, can realize handling repeatedly of cereal, and then make the treatment effect of cereal better.
Further setting: the cylindrical treatment bin comprises a feeding and discharging channel communicated with the outside and the treatment cavity, a blocking block detachably arranged on the feeding and discharging channel and a plurality of heating arc plates arranged on the inner wall of the treatment cavity; the two sides of the cylindrical treatment bin are connected with the U-shaped mounting rack in a rotating fit mode through circular plates.
Through adopting above-mentioned technical scheme, the setting up of heating arc board can drive cereal circulation upset under the effect in gravity and cylinder processing storehouse on the one hand, and on the other hand heating arc board can generate heat, and then can heat the in-process of cereal upset for this equipment can utilize fan and cereal upset, thereby screens out the foreign matter, and can also dehumidify cereal simultaneously, and then makes the cereal treatment effect better.
Further setting: the foreign matter leading-out device comprises a fan-shaped outlet arranged on a circular plate at one side far away from the fan, a fan-shaped plate fixedly arranged on the U-shaped mounting frame and used for intermittently blocking the fan-shaped outlet, and a foreign matter discharge groove arranged at one side of the U-shaped mounting frame and intermittently communicated with the fan-shaped outlet; the area of the foreign matter discharge groove is larger than that of the fan-shaped outlet, and the fan-shaped plate is connected with the circular plate in a rotating fit mode.
Through adopting above-mentioned technical scheme, fan-shaped export and foreign matter discharge slot are plugged up to sector plate intermittent type nature, and when the foreign matter discharge slot was blocked to the sector plate with fan-shaped export, be favorable to heating the arc board to dehumidify cereal, and when foreign matter discharge slot switched on each other with fan-shaped export, be favorable to the fan to blow out the foreign matter of cereal.
Further setting: the driving device comprises a rotating shaft driven by a motor, a driving wheel fixedly arranged on the rotating shaft and a driven wheel meshed with the driving wheel, the driven wheel is fixedly arranged on the outer arc surface of the circular plate close to one side of the fan, an internal gear is further arranged on the circular plate, the internal gear is linked with the driving wheel fixedly arranged on the rotating rod through a reversing wheel, and the front end of the rotating rod is fixedly connected with the fan.
Through adopting above-mentioned technical scheme for drive arrangement can drive fan and cylinder in step and handle the storehouse and rotate towards the equidirectional not, and then makes the circulation of cereal handle, reduces the manpower waste of transporting among the cereal processing procedure.
Further setting: fan one side be provided with double-deck ventilative board, double-deck ventilative board fixed mounting in cylinder processing storehouse, double-deck ventilative board through a plurality of branch pipes and the annular on the air supply ring canal of movable mounting switch on each other, the air supply ring canal be connected with air feeder through first air supply pipe.
Through adopting above-mentioned technical scheme, the setting of double-deck ventilative board can avoid cereal to block the fan, influences the fan and rotates, and air feeder blows for double-deck ventilative board through air feed ring canal, branch pipe, can avoid double-deck ventilative board to plug up.
Further setting: air feeder by fixed mounting in the epaxial cam of commentaries on classics drive the air feed, air feeder include by cam drive along slide that slides from top to bottom in the chamber of sliding, connect the compression spring of terminal surface and slide and the clamp plate that links to each other with the slide through branch under the chamber of sliding, the clamp plate lower extreme be equipped with flexible gas storehouse, just flexible gas storehouse link to each other with first air supply pipe, flexible gas storehouse opposite side still be equipped with right fan-shaped export foreign matter discharge groove carry out the supplementary gas blowing device of mediation.
Through adopting above-mentioned technical scheme for drive arrangement can reciprocate the flexible air bin volume of drive and change for air feed ring canal and supplementary gas blowing device air feed, and then can avoid double-deck ventilative board, fan-shaped export and foreign matter discharge groove to be stopped up.
Further setting: the auxiliary blowing device comprises a second air supply pipe communicated with the telescopic air bin and the shunting bin and a plurality of blowing pipes arranged on the arc surface of the shunting bin and used for dredging the fan-shaped outlet and the foreign matter discharge groove.
Through adopting above-mentioned technical scheme, the gas blow pipe can set up to the different angles of orientation, and then can avoid fan-shaped export and foreign matter discharge tank to be stopped up by the foreign matter, influence the discharge of foreign matter.
Drawings
FIG. 1 is a block diagram of the apparatus of the present invention;
FIG. 2 is a schematic sectional view of the apparatus of the present invention in the position of the drive means;
FIG. 3 is an enlarged view of position A of FIG. 2;
FIG. 4 is a schematic sectional view of the present invention at the location where the gas supply grommet is connected to the double layer aeration panel;
FIG. 5 is a schematic view of the structure of the driving device;
in the figure, a U-shaped mounting frame 1, a fan 11, a double-layer ventilation plate 12, a branch pipe 13, a ring groove 14, an air supply ring pipe 15, a first air supply pipe 16, a cylindrical treatment bin 2, a treatment cavity 21, a feeding and discharging channel 22, a blocking block 23, a heating arc plate 24, a circular plate 25, a foreign matter guiding device 3, a fan-shaped outlet 31, a fan-shaped plate 32, a foreign matter discharging groove 33, a driving device 4, a cam 40, a motor 41, a rotating shaft 42, a driving wheel 43, a driven wheel 44, a circular plate 25, an internal gear 46, a reversing wheel 47, a rotating rod 48, a driving wheel 49, an air supply device 5, a sliding cavity 51, a sliding plate 52, a compression spring 53, a support rod 54, a pressing plate 55, a telescopic air bin 56, an auxiliary air blowing device 50, a flow.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides an equipment that can realize cereal multiple cycle processing, as shown in figure 1, figure 2, including U-shaped mounting bracket 1, rotate on U-shaped mounting bracket 1 and be connected with cylinder processing bin 2, movable mounting in the fan 11 of cylinder processing bin 2 one side and set up in the foreign matter diverting device 3 that the intermittent type nature of cylinder processing bin 2 opposite side switched on, be equipped with driving fan 11 and cylinder processing bin 2 on U-shaped mounting bracket 1 and handle not equidirectional pivoted drive arrangement 4, U-shaped mounting bracket 1 on still be equipped with air feeder 5.
As shown in fig. 2 and 4, a double-layer ventilating plate 12 is disposed on one side of the fan 11, the double-layer ventilating plate 12 is fixedly mounted on the cylindrical treatment bin 2, the double-layer ventilating plate 12 is communicated with an air supply ring pipe 15 movably mounted on the ring groove 14 through a plurality of branch pipes 13, and the air supply ring pipe 15 is connected with the air supply device 5 through a first air supply pipe 16.
As shown in fig. 2, the cylindrical treatment bin 2 comprises a feeding and discharging channel 22 communicating with the outside and the treatment cavity 21, a blocking block 23 detachably mounted on the feeding and discharging channel 22, and a plurality of heating arc plates 24 arranged on the inner wall of the treatment cavity 21; two sides of the cylindrical treatment bin 2 are connected with the U-shaped mounting rack 1 in a rotating fit manner through circular plates 25.
As shown in fig. 2 and 3, the foreign matter leading device 3 includes a fan-shaped outlet 31 provided on the circular plate 25 on the side away from the fan 11, a fan-shaped plate 32 fixedly mounted on the U-shaped mounting frame 1 for intermittently blocking the fan-shaped outlet 31, and a foreign matter discharge groove 33 provided on the side of the U-shaped mounting frame 1 for intermittently communicating with the fan-shaped outlet 31; the foreign matter discharge groove 33 is larger in area than the fan-shaped outlet 31, and the fan-shaped plate 32 is connected to the circular plate 25 in a rotationally engaged manner.
As shown in fig. 2 and 5, the driving device 4 includes a rotating shaft 42 driven by a motor 41, a driving wheel 43 fixedly mounted on the rotating shaft 42, and a driven wheel 44 engaged with the driving wheel 43, the driven wheel 44 is fixedly mounted on the outer arc surface of the circular plate 25 near the side of the fan 11, the circular plate 25 is further provided with an internal gear 46, the internal gear 46 is linked with a driving wheel 49 fixedly mounted on a rotating rod 48 through a reversing wheel 47, and the front end of the rotating rod 48 is fixedly connected with the fan 11.
As shown in fig. 2 and 5, the air supply device 5 is driven by a cam 40 fixedly mounted on the rotating shaft 42 to supply air, the air supply device 5 comprises a sliding plate 52 driven by the cam 40 to slide up and down along a sliding cavity 51, a compression spring 53 connecting the lower end surface of the sliding cavity 51 with the sliding plate 52, and a pressure plate 55 connected with the sliding plate 52 through a support rod 54, a telescopic air chamber 56 is arranged at the lower end of the pressure plate 55, the telescopic air chamber 56 is connected with the first air supply pipe 16, and an auxiliary air blowing device 50 for dredging the fan-shaped outlet 31 and the foreign matter discharge groove 33 is further arranged at the other side of the telescopic air chamber 56
As shown in fig. 2 and 3, the auxiliary blowing device 50 includes a second air supply pipe 502 communicating the telescopic air bin 56 and the diversion bin 501, and a plurality of blowing pipes 503 arranged on the arc surface of the diversion bin 501 for dredging the fan-shaped outlet 31 and the foreign matter discharge groove 33.
The working principle is as follows: when the grain needs to be treated, the blocking block 23 is taken down, the grain is poured into the treatment cavity 21 from the discharge channel 22, the motor 41 is started, the fan 11 and the cylindrical treatment bin 2 rotate in different directions under the action of the rotating shaft 42, the driving wheel 43, the driven wheel 44, the circular plate 45, the inner gear 46, the reversing wheel 47, the rotating rod 48 and the driving wheel 49 of the driving device 4, the heating arc plate 24 and the cylindrical treatment bin 2 are matched to drive the grain to rotate in a reciprocating mode, the fan 11 blows the grain, foreign matters in the grain are discharged from the fan-shaped outlet 31 and the foreign matter discharge groove 33 intermittently, and the foreign matters are removed.
At the same time, the driving device 4 drives the air supply device 5 through the cam 40 to supply air to the air supply collar 15 and the air blowing pipe 503, thereby avoiding the double-layer ventilating plate 12, the fan-shaped outlet 31 and the foreign matter discharging groove 33.
When the grain is processed, the grain is poured out from the feeding and discharging channel.
The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.
Claims (7)
1. An equipment capable of realizing multiple circulation treatment of grains comprises a U-shaped mounting frame (1), and is characterized in that: u-shaped mounting bracket (1) on rotate and be connected with cylinder and handle fan (11) of storehouse (2), movable mounting in cylinder and handle the foreign matter diverting device (3) that the intermittent type nature of storehouse (2) opposite side switched on, U-shaped mounting bracket (1) on be equipped with the drive fan (11) with cylinder handle storehouse (2) to not equidirectional pivoted drive arrangement (4).
2. The apparatus for multiple circulation treatment of grain according to claim 1, wherein: the cylindrical treatment bin (2) comprises a feeding and discharging channel (22) communicated with the outside and the treatment cavity (21), a blocking block (23) detachably arranged on the feeding and discharging channel (22) and a plurality of heating arc plates (24) arranged on the inner wall of the treatment cavity (21); the two sides of the cylindrical treatment bin (2) are connected with the U-shaped mounting rack (1) in a rotating fit manner through circular plates (25).
3. The apparatus for multiple circulation treatment of grain according to claim 2, wherein: the foreign matter leading-out device (3) comprises a fan-shaped outlet (31) arranged on a circular plate (25) far away from one side of the fan (11), a fan-shaped plate (32) fixedly arranged on the U-shaped mounting rack (1) and intermittently blocking the fan-shaped outlet (31), and a foreign matter discharge groove (33) arranged on one side of the U-shaped mounting rack (1) and intermittently communicated with the fan-shaped outlet (31); the area of the foreign matter discharge groove (33) is larger than that of the fan-shaped outlet (31), and the fan-shaped plate (32) is connected with the circular plate (25) in a rotating fit manner.
4. The apparatus for multiple circulation treatment of grain according to claim 2, wherein: the driving device (4) comprises a rotating shaft (42) driven by a motor (41), a driving wheel (43) fixedly installed on the rotating shaft (42) and a driven wheel (44) meshed with the driving wheel (43), the driven wheel (44) is fixedly arranged on the outer arc surface of the circular plate (25) close to one side of the fan (11), an internal gear (46) is further arranged on the circular plate (25), the internal gear (46) is linked with a driving wheel (49) fixedly installed on a rotating rod (48) through a reversing wheel (47), and the front end of the rotating rod (48) is fixedly connected with the fan (11).
5. The device for realizing the multiple circulation treatment of the grains according to the claim 4 is characterized in that: fan (11) one side be provided with double-deck ventilative board (12), double-deck ventilative board (12) fixed mounting in cylinder processing storehouse (2), double-deck ventilative board (12) feed air ring pipe (15) through a plurality of branch pipes (13) and annular (14) go up movable mounting and switch on each other, feed air ring pipe (15) be connected with air feeder (5) through first air supply pipe (16).
6. The apparatus for multiple circulation treatment of grain according to claim 5, wherein: air feeder (5) by fixed mounting in pivot (42) on cam (40) drive the air feed, air feeder (5) include by cam (40) drive along slide (52) that slides about sliding chamber (51), connect compression spring (53) of terminal surface and slide (52) and through branch (54) clamp plate (55) that link to each other with slide (52) under sliding chamber (51), clamp plate (55) lower extreme be equipped with flexible gas storehouse (56), just flexible gas storehouse (56) link to each other with first air supply pipe (16), flexible gas storehouse (56) opposite side still be equipped with right fan-shaped export (31) foreign matter discharge groove (33) supplementary gas blowing device (50) of dredging.
7. The apparatus for multiple circulation treatment of grain according to claim 6, wherein: the auxiliary blowing device (50) comprises a second air supply pipe (502) communicated with the telescopic air bin (56) and the shunting bin (501) and a plurality of blowing pipes (503) arranged on the arc surface of the shunting bin (501) and used for dredging the fan-shaped outlet (31) and the foreign matter discharge groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132411.6A CN113000376A (en) | 2021-01-31 | 2021-01-31 | Equipment capable of realizing repeated circulating treatment of grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110132411.6A CN113000376A (en) | 2021-01-31 | 2021-01-31 | Equipment capable of realizing repeated circulating treatment of grains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113000376A true CN113000376A (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110132411.6A Pending CN113000376A (en) | 2021-01-31 | 2021-01-31 | Equipment capable of realizing repeated circulating treatment of grains |
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| Country | Link |
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| CN (1) | CN113000376A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB348228A (en) * | 1930-02-17 | 1931-05-14 | Thomas Edgar Forster | Improvements in grain cleaning process and machine |
| CN101733249A (en) * | 2009-12-09 | 2010-06-16 | 湖南大学 | Spiral belt piece type multi-gas field drum screen grain cleaning machine |
| CN105013369A (en) * | 2015-05-31 | 2015-11-04 | 枞阳县田园面业有限责任公司 | Multi-type cereal stirring chamber |
| CN106000876A (en) * | 2016-06-21 | 2016-10-12 | 余继琅 | Rice roughing impurity remover and impurity removing method thereof |
| CN106938248A (en) * | 2017-04-17 | 2017-07-11 | 安徽农业大学 | A kind of drum-type fresh leaf winnowing machine for tea making |
| CN107178977A (en) * | 2017-07-18 | 2017-09-19 | 成都言行果科技有限公司 | A kind of drum-type grain drying machine |
| CN108391521A (en) * | 2018-05-15 | 2018-08-14 | 李志平 | A kind of grain cleaning machine |
| CN108800893A (en) * | 2018-07-06 | 2018-11-13 | 蒋加勇 | A kind of grain dry exclusion device of agricultural production |
| CN109225868A (en) * | 2018-09-12 | 2019-01-18 | 独山云山白茶开发有限公司 | A kind of continuous tea process equipment |
| CN109877039A (en) * | 2019-04-28 | 2019-06-14 | 苏州嘉诺环境工程有限公司 | A kind of rotary screen |
| CN210699646U (en) * | 2019-09-27 | 2020-06-09 | 唐山市瑞天建筑安装工程有限公司 | Blendor is used in energy-conserving building materials manufacturing |
| CN111380340A (en) * | 2020-03-27 | 2020-07-07 | 李佰强 | Drying machine with function of screening out air-hold grains |
| CN112056249A (en) * | 2020-08-10 | 2020-12-11 | 杭州开冠网络科技有限公司 | Small-size crab cultured equipment convenient to it is clean |
| CN112127128A (en) * | 2020-08-17 | 2020-12-25 | 杭州宇发科技有限公司 | Household clothes dryer |
| CN112191520A (en) * | 2020-08-10 | 2021-01-08 | 杭州开冠网络科技有限公司 | Agricultural cereal screening plant |
| CN212328920U (en) * | 2020-03-27 | 2021-01-12 | 安吉极润茶业有限公司 | Tealeaves ration processing equipment convenient to remove tea ash |
-
2021
- 2021-01-31 CN CN202110132411.6A patent/CN113000376A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB348228A (en) * | 1930-02-17 | 1931-05-14 | Thomas Edgar Forster | Improvements in grain cleaning process and machine |
| CN101733249A (en) * | 2009-12-09 | 2010-06-16 | 湖南大学 | Spiral belt piece type multi-gas field drum screen grain cleaning machine |
| CN105013369A (en) * | 2015-05-31 | 2015-11-04 | 枞阳县田园面业有限责任公司 | Multi-type cereal stirring chamber |
| CN106000876A (en) * | 2016-06-21 | 2016-10-12 | 余继琅 | Rice roughing impurity remover and impurity removing method thereof |
| CN106938248A (en) * | 2017-04-17 | 2017-07-11 | 安徽农业大学 | A kind of drum-type fresh leaf winnowing machine for tea making |
| CN107178977A (en) * | 2017-07-18 | 2017-09-19 | 成都言行果科技有限公司 | A kind of drum-type grain drying machine |
| CN108391521A (en) * | 2018-05-15 | 2018-08-14 | 李志平 | A kind of grain cleaning machine |
| CN108800893A (en) * | 2018-07-06 | 2018-11-13 | 蒋加勇 | A kind of grain dry exclusion device of agricultural production |
| CN109225868A (en) * | 2018-09-12 | 2019-01-18 | 独山云山白茶开发有限公司 | A kind of continuous tea process equipment |
| CN109877039A (en) * | 2019-04-28 | 2019-06-14 | 苏州嘉诺环境工程有限公司 | A kind of rotary screen |
| CN210699646U (en) * | 2019-09-27 | 2020-06-09 | 唐山市瑞天建筑安装工程有限公司 | Blendor is used in energy-conserving building materials manufacturing |
| CN111380340A (en) * | 2020-03-27 | 2020-07-07 | 李佰强 | Drying machine with function of screening out air-hold grains |
| CN212328920U (en) * | 2020-03-27 | 2021-01-12 | 安吉极润茶业有限公司 | Tealeaves ration processing equipment convenient to remove tea ash |
| CN112056249A (en) * | 2020-08-10 | 2020-12-11 | 杭州开冠网络科技有限公司 | Small-size crab cultured equipment convenient to it is clean |
| CN112191520A (en) * | 2020-08-10 | 2021-01-08 | 杭州开冠网络科技有限公司 | Agricultural cereal screening plant |
| CN112127128A (en) * | 2020-08-17 | 2020-12-25 | 杭州宇发科技有限公司 | Household clothes dryer |
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Application publication date: 20210622 |