CN208245194U - A kind of seed screening machine - Google Patents
A kind of seed screening machine Download PDFInfo
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- CN208245194U CN208245194U CN201820201749.6U CN201820201749U CN208245194U CN 208245194 U CN208245194 U CN 208245194U CN 201820201749 U CN201820201749 U CN 201820201749U CN 208245194 U CN208245194 U CN 208245194U
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- 238000012216 screening Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
本实用新型公开了一种种子筛选机，包括螺旋上料板、喷淋板、底板、隔板、固定网板、杂物箱和外壳体，所述底板的底部固定安装支架，外壳体固定安装在支架上，外壳体的顶部且靠近左侧开设进料口，进料口上固定安装竖直下料管，进料斗固定安装在竖直下料管的顶部，外壳体的前后两侧开设弧形滑动槽，倾斜导料板固定安装在外壳体内，且倾斜导料板的上升端位于弧形滑动槽的下方，滑动网板的一端与外壳体的左侧内壁铰接，滑动网板的另一端通过转动轴滑动安装在弧形滑动槽中，所述种子筛选机结构简单，使用方便，能够对种子进行多次筛选和风选，提高种子的筛选质量，同时种子筛选过程中能够进行保湿，还能达到除尘的作用，提高工作效率。
The utility model discloses a seed screening machine, which comprises a spiral feeding plate, a spraying plate, a bottom plate, a partition plate, a fixed mesh plate, a glove box and an outer shell, the bottom of the bottom plate is fixedly installed with a bracket, and the outer shell is fixedly installed On the bracket, the top of the outer casing is provided with a feed inlet near the left side, the vertical feeding pipe is fixedly installed on the feeding inlet, the feeding hopper is fixedly installed on the top of the vertical feeding pipe, and arcs are set on the front and rear sides of the outer casing. Shaped sliding groove, the inclined material guide plate is fixedly installed in the outer shell, and the rising end of the inclined material guide plate is located below the arc-shaped sliding groove, one end of the sliding screen is hinged with the left inner wall of the outer shell, and the other end of the sliding screen Slidingly installed in the arc-shaped sliding groove through the rotating shaft, the seed screening machine has a simple structure and is easy to use, and can perform multiple screening and winnowing of seeds to improve the screening quality of seeds. To achieve the role of dust removal, improve work efficiency.
Description
技术领域technical field
本实用新型涉及一种筛选机，具体是一种种子筛选机。The utility model relates to a screening machine, in particular to a seed screening machine.
背景技术Background technique
为了提高种子的质量，通常需要对种子进行筛选，以将不饱满种子、小颗粒种子去除，保留大颗粒种子。目前，大多数采用人工挑选或者用筛子进行筛选，费时费力，不适合大规模工业化生产；少数采用筛选机，但是此种设备结构复杂、操作麻烦，筛选出的种子质量不太稳定，而且使用成本高。In order to improve the quality of the seeds, it is usually necessary to screen the seeds to remove unfulfilled seeds and small particles and keep large particles. At present, most of them use manual selection or screening with sieves, which is time-consuming and laborious, and is not suitable for large-scale industrial production; a few use screening machines, but this kind of equipment has complex structure, troublesome operation, and the quality of the screened seeds is not stable. high.
实用新型内容Utility model content
本实用新型的目的在于提供一种种子筛选机，以解决上述背景技术中提出的问题。The purpose of this utility model is to provide a seed screening machine to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本实用新型提供如下技术方案：In order to achieve the above object, the utility model provides the following technical solutions:
一种种子筛选机，包括螺旋上料板、喷淋板、底板、隔板、固定网板、杂物箱和外壳体，所述底板的底部固定安装支架，外壳体固定安装在支架上，外壳体的顶部且靠近左侧开设进料口，进料口上固定安装竖直下料管，进料斗固定安装在竖直下料管的顶部，外壳体的前后两侧开设弧形滑动槽，倾斜导料板固定安装在外壳体内，且倾斜导料板的上升端位于弧形滑动槽的下方，滑动网板的一端与外壳体的左侧内壁铰接，滑动网板的另一端通过转动轴滑动安装在弧形滑动槽中，滑动网板的转动轴两侧固定安装紧固螺栓，隔板固定安装在外壳体的底部，外壳体的左侧壁且位于倾斜导料板的下降端上方开设条形通孔，杂物箱固定安装在外壳体的左侧外壁上且位于条形通孔的下方，第一出料口与第二出料口固定安装在外壳体的底部有分别位于隔板的两侧，固定板固定安装在外壳体的右侧外壁上，风机固定安装在固定板的顶部，风道的一端固定安装在风机的出风口处，风道的另一端贯穿外壳体的右侧外壁至壳体内部，固定网板的一端固定安装在隔板的右侧壁上，固定网板的另一端固定安装在外壳体的右侧内壁上，上料管固定安装在外壳体的右侧壁底部且位于固定网板下降端的上方。A seed screening machine, comprising a spiral feeding plate, a spray plate, a bottom plate, a partition, a fixed net plate, a glove box and an outer shell, the bottom of the bottom plate is fixedly installed with a bracket, the outer shell is fixedly installed on the bracket, and the outer shell The top of the body and close to the left side are provided with a feeding port, the vertical feeding pipe is fixedly installed on the feeding port, the feeding hopper is fixedly installed on the top of the vertical feeding pipe, and the front and rear sides of the outer shell are provided with arc-shaped sliding grooves. The material guide plate is fixedly installed in the outer casing, and the rising end of the inclined material guide plate is located below the arc-shaped sliding groove. One end of the sliding screen plate is hinged with the left inner wall of the outer shell, and the other end of the sliding screen plate is slidably installed through the rotating shaft. In the arc-shaped sliding groove, the fastening bolts are fixedly installed on both sides of the rotating shaft of the sliding screen plate, the partition plate is fixedly installed on the bottom of the outer shell, and the left side wall of the outer shell is located above the descending end of the inclined material guide plate. The through hole, the glove box is fixedly installed on the left outer wall of the outer shell and is located below the strip through hole, the first discharge port and the second discharge port are fixedly installed on the bottom of the outer shell, and there are two side, the fixed plate is fixedly installed on the right outer wall of the outer shell, the fan is fixed on the top of the fixed plate, one end of the air duct is fixed at the air outlet of the fan, and the other end of the air duct runs through the right outer wall of the outer shell to Inside the shell, one end of the fixed mesh plate is fixedly installed on the right side wall of the partition, the other end of the fixed mesh plate is fixedly installed on the right inner wall of the outer shell, and the feeding pipe is fixedly installed on the bottom of the right side wall of the outer shell And it is located above the descending end of the fixed net plate.
作为本实用新型进一步的方案：所述上料管的顶部固定安装电机，转轴的一端转动安装在上料管的底部，转轴的另一端通过联轴器与电机的传动轴连接，倾斜下料管的一端与上料管的顶部连通，倾斜下料管的另一端与竖直下料管连通。As a further solution of the utility model: a motor is fixedly installed on the top of the feeding pipe, one end of the rotating shaft is installed on the bottom of the feeding pipe in rotation, the other end of the rotating shaft is connected with the transmission shaft of the motor through a coupling, and the feeding pipe is inclined One end of one end communicates with the top of the feeding pipe, and the other end of the inclined feeding pipe communicates with the vertical feeding pipe.
作为本实用新型再进一步的方案：所述转轴的外壁上固定安装螺旋上料板。As a further solution of the utility model: a spiral feeding plate is fixedly installed on the outer wall of the rotating shaft.
作为本实用新型再进一步的方案：所述外壳体的右侧外壁顶部固定安装水箱，外壳体的右侧内壁固定安装喷淋板。As a further solution of the utility model: a water tank is fixedly installed on the top of the outer wall on the right side of the outer shell, and a spray plate is fixedly installed on the inner wall on the right side of the outer shell.
作为本实用新型再进一步的方案：所述喷淋板上安装若干组雾化喷头，且喷淋板位于风道的上方，水箱的底部与喷淋板通过水管连通。As a further solution of the utility model: several groups of atomizing nozzles are installed on the spray plate, and the spray plate is located above the air duct, and the bottom of the water tank is connected with the spray plate through a water pipe.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
本实用结构简单，使用方便，外壳体内安装有滑动网板与固定网板，滑动网板能够进行倾斜角度的调节，从而调节一次筛选的速度，再经过风选后进行二次筛选，螺旋上料板使未筛选完成的种子循环筛选，从而提高种子的筛选质量，且外壳体内固定安装带有雾化喷头的喷淋板，能够对种子进行加湿，还能达到良好的除尘效果，大大提高了工作效率。The utility model is simple in structure and easy to use. There are sliding screens and fixed screens installed in the housing. The sliding screens can adjust the inclination angle, thereby adjusting the speed of primary screening, and then carry out secondary screening after winnowing, and spiral feeding. The plate makes the unscreened seeds circularly screened, thereby improving the quality of seed screening, and a spray plate with an atomizing nozzle is fixedly installed in the outer shell, which can humidify the seeds and achieve a good dust removal effect, which greatly improves the work efficiency. efficiency.
附图说明Description of drawings
图1为种子筛选机的结构示意图。Figure 1 is a schematic diagram of the structure of the seed screening machine.
图2为种子筛选机的剖视图。Figure 2 is a sectional view of the seed screening machine.
图中：进料斗1、倾斜下料管2、电机3、转轴4、螺旋上料板5、喷淋板6、上料管7、固定板8、第一出料口9、支架10、底板11、第二出料口12、隔板13、固定网板14、杂物箱15、外壳体16、倾斜导料板17、弧形滑动槽18、滑动网板19、风机20、竖直下料管21、紧固螺栓22、水箱23和风道24。In the figure: feeding hopper 1, inclined feeding pipe 2, motor 3, rotating shaft 4, spiral feeding plate 5, spraying plate 6, feeding pipe 7, fixing plate 8, first outlet 9, bracket 10, Bottom plate 11, second discharge port 12, clapboard 13, fixed screen plate 14, glove box 15, outer casing 16, inclined material guide plate 17, arc-shaped sliding groove 18, sliding screen plate 19, fan 20, vertical Feed pipe 21, fastening bolt 22, water tank 23 and air duct 24.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1～2，本实用新型实施例中，一种种子筛选机，包括进料斗1、倾斜下料管2、电机3、转轴4、螺旋上料板5、喷淋板6、上料管7、固定板8、第一出料口9、支架10、底板11、第二出料口12、隔板13、固定网板14、杂物箱15、外壳体16、倾斜导料板17、弧形滑动槽18、滑动网板19、风机20、竖直下料管21、紧固螺栓22、水箱23和风道24，所述底板11的底部固定安装支架10，外壳体16固定安装在支架10上，外壳体16的顶部且靠近左侧开设进料口，进料口上固定安装竖直下料管21，进料斗1固定安装在竖直下料管21的顶部，外壳体16的前后两侧开设弧形滑动槽18，倾斜导料板17固定安装在外壳体16内，且倾斜导料板17的上升端位于弧形滑动槽18的下方，滑动网板19的一端与外壳体16的左侧内壁铰接，滑动网板19的另一端通过转动轴滑动安装在弧形滑动槽18中，滑动网板19的转动轴两侧固定安装紧固螺栓22，隔板13固定安装在外壳体16的底部，外壳体16的左侧壁且位于倾斜导料板17的下降端上方开设条形通孔，杂物箱15固定安装在外壳体16的左侧外壁上且位于条形通孔的下方，第一出料口9与第二出料口12固定安装在外壳体16的底部有分别位于隔板13的两侧，固定板8固定安装在外壳体16的右侧外壁上，风机20固定安装在固定板8的顶部，风道24的一端固定安装在风机20的出风口处，风道24的另一端贯穿外壳体16的右侧外壁至壳体内部，固定网板14的一端固定安装在隔板13的右侧壁上，固定网板14的另一端固定安装在外壳体16的右侧内壁上，上料管7固定安装在外壳体16的右侧壁底部且位于固定网板14下降端的上方，所述上料管7的顶部固定安装电机3，转轴4的一端转动安装在上料管7的底部，转轴4的另一端通过联轴器与电机3的传动轴连接，倾斜下料管2的一端与上料管7的顶部连通，倾斜下料管2的另一端与竖直下料管21连通；所述转轴4的外壁上固定安装螺旋上料板5；所述外壳体16的右侧外壁顶部固定安装水箱23，外壳体16的右侧内壁固定安装喷淋板6；所述喷淋板6上安装若干组雾化喷头，且喷淋板6位于风道24的上方，水箱23的底部与喷淋板6通过水管连通；使用时，将待筛选的种子通过进料斗1落入滑动网板19中，通过弧形滑动槽18对滑动网板19的倾斜角度进行调节，从而调节种子一次筛选的下落速度，小颗粒的种子或杂质通过滑动网板19落入倾斜导料板17上，并落进杂物箱15中进行收集，经过一次筛选后的种子进行风选，杂质被吹进隔板13的左侧并由第二出料口12排出，风选后的种子落在固定网板14上进行二次筛选，合格的种子由第一出料口9排出，大的杂质留在固定网板14上，并由螺旋上料板5进行上料，从而实现循环筛选，直到种子全部筛选完成，喷淋板6将水进行雾化，能够使种子保湿，同时达到良好的除尘效果，大大提高工作效率。Please refer to Figures 1 to 2. In the embodiment of the utility model, a seed screening machine includes a feed hopper 1, an inclined feeding pipe 2, a motor 3, a rotating shaft 4, a spiral feeding plate 5, a spraying plate 6, an upper Material pipe 7, fixed plate 8, first discharge port 9, bracket 10, bottom plate 11, second discharge port 12, partition plate 13, fixed mesh plate 14, glove box 15, outer shell 16, inclined material guide plate 17. Arc-shaped sliding groove 18, sliding screen plate 19, fan 20, vertical feeding pipe 21, fastening bolts 22, water tank 23 and air duct 24, the bottom of the bottom plate 11 is fixed with the mounting bracket 10, and the outer shell 16 is fixed and installed On the support 10, the top of the outer casing 16 is provided with a feed inlet near the left side, the vertical feed pipe 21 is fixedly installed on the feed inlet, the feed hopper 1 is fixedly installed on the top of the vertical feed pipe 21, and the outer casing 16 Arc-shaped sliding grooves 18 are provided on the front and rear sides of the front and rear sides, and the inclined material guide plate 17 is fixedly installed in the outer casing 16, and the rising end of the inclined material guide plate 17 is located below the arc-shaped sliding groove 18, and one end of the sliding net plate 19 is connected to the outer casing. The left inner wall of the body 16 is hinged, and the other end of the sliding net plate 19 is slidably installed in the arc-shaped sliding groove 18 through the rotating shaft, and fastening bolts 22 are fixedly installed on both sides of the rotating shaft of the sliding net plate 19, and the partition plate 13 is fixedly installed on the The bottom of the outer casing 16, the left side wall of the outer casing 16 and above the descending end of the inclined material guide plate 17 offer a strip-shaped through hole, and the glove box 15 is fixedly installed on the left side outer wall of the outer casing 16 and is located in the strip-shaped through hole. Below the hole, the first discharge port 9 and the second discharge port 12 are fixedly installed on the bottom of the outer casing 16, and are respectively located on both sides of the partition 13, and the fixed plate 8 is fixedly installed on the right side outer wall of the outer casing 16. The blower fan 20 is fixedly installed on the top of the fixed plate 8, one end of the air duct 24 is fixedly installed at the air outlet of the fan 20, and the other end of the air duct 24 runs through the right outer wall of the outer casing 16 to the inside of the casing, and the fixed mesh plate 14 One end is fixedly installed on the right side wall of the dividing plate 13, the other end of the fixed mesh plate 14 is fixedly installed on the right side inner wall of the outer shell 16, and the feeding pipe 7 is fixedly installed on the right side wall bottom of the outer shell 16 and is positioned at the fixed Above the descending end of the screen plate 14, the motor 3 is fixedly installed on the top of the feeding pipe 7, and one end of the rotating shaft 4 is rotated and installed on the bottom of the feeding pipe 7, and the other end of the rotating shaft 4 is connected with the drive shaft of the motor 3 through a coupling One end of the inclined feeding pipe 2 communicates with the top of the feeding pipe 7, and the other end of the inclined feeding pipe 2 communicates with the vertical feeding pipe 21; the outer wall of the rotating shaft 4 is fixedly installed with a spiral feeding plate 5; The water tank 23 is fixedly installed on the top of the right outer wall of the outer shell 16, and the spray plate 6 is fixedly installed on the right inner wall of the outer shell 16; several groups of atomizing nozzles are installed on the spray plate 6, and the spray plate 6 is located in the air duct. 24, the bottom of the water tank 23 communicates with the spray plate 6 through water pipes; during use, the seeds to be screened are dropped into the sliding net plate 19 through the feed hopper 1, and the sliding net plate 19 is connected by the curved sliding groove 18. The angle of inclination is adjusted to adjust the falling speed of the seeds once screened, and the seeds or impurities of small particles fall into the inclined guide material through the sliding screen 19 on the plate 17, and fall into the glove box 15 for collection, the seeds after a screening are air-selected, and the impurities are blown into the left side of the partition 13 and discharged by the second discharge port 12, and the seeds after the air-selection Fall on the fixed mesh plate 14 for secondary screening, qualified seeds are discharged from the first discharge port 9, and large impurities are left on the fixed mesh plate 14, and are fed by the spiral feeding plate 5, thereby realizing circular screening , until all the seeds are screened, the spray plate 6 atomizes the water, which can keep the seeds moist and achieve a good dust removal effect at the same time, greatly improving work efficiency.
本实用新型的工作原理是：The working principle of the utility model is:
使用时，将待筛选的种子通过进料斗1落入滑动网板19中，通过弧形滑动槽18对滑动网板19的倾斜角度进行调节，从而调节种子一次筛选的下落速度，小颗粒的种子或杂质通过滑动网板19落入倾斜导料板17上，并落进杂物箱15中进行收集，经过一次筛选后的种子进行风选，杂质被吹进隔板13的左侧并由第二出料口12排出，风选后的种子落在固定网板14上进行二次筛选，合格的种子由第一出料口9排出，大的杂质留在固定网板14上，并由螺旋上料板5进行上料，从而实现循环筛选，直到种子全部筛选完成，喷淋板6将水进行雾化，能够使种子保湿，同时达到良好的除尘效果，大大提高工作效率。During use, the seeds to be screened are dropped into the sliding net plate 19 through the feed hopper 1, and the inclination angle of the sliding net plate 19 is adjusted by the arc-shaped sliding groove 18, so as to adjust the falling speed of the seeds once screened, and the small particles Seeds or impurities fall on the inclined material guide plate 17 through the sliding net plate 19, and fall into the glove box 15 for collection, and the seeds after a screening are carried out by winnowing, and the impurities are blown into the left side of the dividing plate 13 and are separated by air. The second discharge port 12 is discharged, and the seeds after winnowing fall on the fixed net plate 14 for secondary screening. The qualified seeds are discharged by the first discharge port 9, and the large impurities are left on the fixed net plate 14 and are passed through the fixed net plate 14. The spiral feeding plate 5 is used for feeding, so as to realize circular screening, until all the seeds are screened, and the spray plate 6 atomizes the water, which can keep the seeds moisturized, and at the same time achieve a good dust removal effect, greatly improving work efficiency.
尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820201749.6U CN208245194U (en) | 2018-02-06 | 2018-02-06 | A kind of seed screening machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293069A (en) * | 2019-08-07 | 2019-10-01 | 芜湖市宇恒特种钢球有限公司 | High-accuracy abrasion-proof steel ball high throughput screening devices and its operating method |
| CN110721893A (en) * | 2019-10-26 | 2020-01-24 | 徐州市富昌制药机械有限公司 | Sieving mechanism for food processing |
| CN112219489A (en) * | 2020-09-23 | 2021-01-15 | 六安科科达尔生物科技有限公司 | Seed humidifying equipment for agricultural technology research and development |
| CN114392910A (en) * | 2022-01-25 | 2022-04-26 | 黄骅市天天食品发展有限公司 | Red date processing fine selection screening device and screening process thereof |
| CN114682474A (en) * | 2022-03-19 | 2022-07-01 | 安徽省鸿杰种业有限公司 | Screening device for seed breeding and screening method thereof |
| CN117816544A (en) * | 2024-03-04 | 2024-04-05 | 中储粮成都储藏研究院有限公司 | Self-adaptive controllable grain impurity cleaning device and cleaning method |
| CN120133141A (en) * | 2025-04-24 | 2025-06-13 | 济南健丰化工有限公司 | A purification and impurity separation device and process for peramivir intermediates |
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2018
- 2018-02-06 CN CN201820201749.6U patent/CN208245194U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293069A (en) * | 2019-08-07 | 2019-10-01 | 芜湖市宇恒特种钢球有限公司 | High-accuracy abrasion-proof steel ball high throughput screening devices and its operating method |
| CN110721893A (en) * | 2019-10-26 | 2020-01-24 | 徐州市富昌制药机械有限公司 | Sieving mechanism for food processing |
| CN112219489A (en) * | 2020-09-23 | 2021-01-15 | 六安科科达尔生物科技有限公司 | Seed humidifying equipment for agricultural technology research and development |
| CN114392910A (en) * | 2022-01-25 | 2022-04-26 | 黄骅市天天食品发展有限公司 | Red date processing fine selection screening device and screening process thereof |
| CN114682474A (en) * | 2022-03-19 | 2022-07-01 | 安徽省鸿杰种业有限公司 | Screening device for seed breeding and screening method thereof |
| CN117816544A (en) * | 2024-03-04 | 2024-04-05 | 中储粮成都储藏研究院有限公司 | Self-adaptive controllable grain impurity cleaning device and cleaning method |
| CN117816544B (en) * | 2024-03-04 | 2024-05-31 | 中储粮成都储藏研究院有限公司 | Self-adaptive controllable grain impurity cleaning device and cleaning method |
| CN120133141A (en) * | 2025-04-24 | 2025-06-13 | 济南健丰化工有限公司 | A purification and impurity separation device and process for peramivir intermediates |
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Granted publication date: 20181218 Termination date: 20200206 |