A rapid screening device and method for pepper seeds

Abstract

The application discloses a kind of quick screening device and screening method of pepper seed, wherein quick screening device includes outer cylinder, and outer cylinder bottom is equipped with slag discharge pipe;Center shaft, inner cylinder, spiral groove plate, draining cylinder, draining plate, floatation cylinder, annular pipe and discharge pipe are respectively installed in outer cylinder;Material box, water pump one and water pump two are respectively installed outside outer cylinder;Inner cylinder is sleeved outside center shaft, and the side wall of inner cylinder is equipped with discharge port and inlet;Spiral groove plate is fixed on center shaft, and spiral groove plate is equipped with water filter hole;Draining cylinder is sleeved outside inner cylinder;Draining cylinder bottom is connected with discharge pipe;Draining plate is fixed between draining cylinder and inner cylinder;Draining plate is equipped with hollow interlayer in draining plate, and draining plate is equipped with draining hole;Draining plate bottom is connected with drain pipe;Floatation cylinder is sleeved outside draining cylinder, and overflow port is formed between floatation cylinder top and outer cylinder inner wall top.The application can efficiently and quickly realize the sorting work of pepper seed, and can continuously screen, and processing process has no pause, and processing efficiency is high.

Description

Technical Field

[0001] This invention relates to the field of chili cultivation technology, specifically to a rapid chili seed screening device and screening method. Background Technology

[0002] In the large-scale cultivation of chili peppers, seed selection is a necessary step to increase yield. Selection identifies plump seeds, choosing large, plump ones because they contain abundant nutrients, ensuring sufficient nourishment for germination. Plump seeds are a sign of health and easier to germinate. A common method for seed selection is to place the seeds in salt water and use gravity to determine their size. Shriveled or insect-damaged seeds, being lighter, will float, while plump seeds, being heavier, will sink. This method selects seeds with intact embryos and plump kernels, thus promoting germination.

[0003] In gravity-based screening, dust-free chili seeds are poured into salt water. Then, shriveled or insect-damaged seeds floating on the surface are removed, and the plump seeds at the bottom are taken out. Currently, this process is mostly done manually, which is cumbersome and time-consuming, especially with large quantities of seeds. Alternatively, there are devices for screening. For example, Chinese patent CN106607181B discloses a seed screening device for breeding, including a base plate, a left side plate, a support, and a fixed plate. A feed hopper is welded to the upper left side of the left side plate, and a preliminary filtration section is provided on the fixed plate. The feed hopper is connected to the preliminary filtration section, and a filtration section is provided on the support. The filter section is connected to the filtration section, which is equipped with a water storage structure and a stirring structure. A first through hole is provided above the filtration section. The drain pipe of the water storage structure is connected to the preliminary filtration section above the fixed plate through a water pipe. This device uses machinery to replace manual labor for seed processing, which improves the efficiency of seed processing. However, it is still insufficient in terms of the continuity of seed processing. It lacks a solution for timely removal of seeds from the inner frame. As processing continues, the seeds in the inner frame will continue to accumulate, which will affect the efficiency of subsequent processing. At this time, it is necessary to stop feeding seeds, remove the processed seeds from the inner frame and discard the seeds, and then put the inner frame back in before it can continue. The continuity is still insufficient, and the processing efficiency needs to be improved. Summary of the Invention

[0004] To address the aforementioned problems, the present invention aims to provide a rapid screening device and method for chili seeds that can perform continuous screening, without interruption in the processing, and with high processing efficiency.

[0005] The objective of this invention is achieved through the following technical solution: A rapid screening device for chili seeds includes a hollow outer cylinder with a slag discharge pipe at the bottom of the outer cylinder; inside the outer cylinder are a central shaft, an inner cylinder, a spiral groove plate, a draining cylinder, a draining plate, a flotation cylinder, an annular pipe, and a discharge pipe; outside the outer cylinder are a material box, a water pump one, and a water pump two.

[0006] The central shaft is vertically and rotatably installed inside the outer cylinder.

[0007] The inner cylinder is sleeved outside the central shaft and its upper and lower ends are respectively fixed to the top and bottom of the inner wall of the outer cylinder. A discharge port is provided at the top of the inner cylinder side wall and a feed port is provided at the bottom of the inner cylinder side wall.

[0008] The spiral groove plate is spirally fixed on the central shaft from bottom to top and can rotate with the central shaft in the inner cylinder. The spiral groove plate is provided with a number of filter holes that penetrate the upper and lower surfaces of the spiral groove plate.

[0009] The draining cylinder is sleeved outside the inner cylinder and communicates with the inner cylinder through the discharge port. The top of the draining cylinder is fixedly connected to the top of the inner wall of the outer cylinder, and the bottom of the draining cylinder is located above the discharge port and is fixedly connected to the outer wall of the inner cylinder. A discharge pipe is connected to the bottom of the draining cylinder. The upper end of the discharge pipe is connected to the inner side of the bottom of the draining cylinder, and the lower end extends to the outside of the outer cylinder.

[0010] The draining plate is spirally fixed between the inner wall of the draining cylinder and the outer wall of the inner cylinder from top to bottom; the draining plate has a spirally downward hollow interlayer, and there are many drainage holes at the upper part of the draining plate that communicate with the hollow interlayer; a drain pipe is connected to the bottom of the draining plate, the upper end of the drain pipe communicates with the hollow interlayer, and the lower end extends to the outside of the outer cylinder.

[0011] The flotation cylinder is sleeved outside the draining cylinder. The bottom of the flotation cylinder is fixedly connected to the bottom of the inner wall of the outer cylinder. The top of the flotation cylinder is lower than the lower edge of the feed port and forms an overflow port with the top of the inner wall of the outer cylinder. An annular overflow cavity is formed between the flotation cylinder and the outer cylinder. The lower part of the overflow cavity is connected to the outside through a slag discharge pipe. An annular flotation cavity is formed between the flotation cylinder and the draining cylinder. The lower part of the flotation cavity is connected to the inner cylinder through a feed port, and the upper part of the flotation cavity is connected to the overflow cavity through an overflow port.

[0012] The annular pipe is installed on the upper part of the outer wall of the draining cylinder for diversion.

[0013] The discharge pipe consists of multiple pipes connected to the annular pipe and communicating with both the annular pipe and the flotation chamber, and is used for discharging material.

[0014] The material box is a hollow box containing water and chili seeds.

[0015] The inlet of the water pump is connected to an external water source through pipe one, and its outlet is connected to the upper inner side of the material box through pipe two.

[0016] The inlet of the second water pump is connected to the lower inner side of the material box through the third pipe, and its outlet is connected to the ring pipe through the fourth pipe.

[0017] Furthermore, the material box is positioned directly above the central shaft, with the upper end of the central shaft extending into the material box and multiple stirring blades fixed at the upper end of the central shaft that can rotate with the central shaft inside the material box. The stirring blades rotate inside the material box under the drive of the central shaft, causing the chili seeds to rotate and become loose, thereby allowing the chili seeds to be smoothly pumped away by the second water pump.

[0018] Furthermore, multiple support columns are evenly installed at the bottom of the outer cylinder, and these support columns are used to support the entire device.

[0019] Furthermore, a conical cylinder is provided at the bottom of the inner side of the flotation cylinder. The conical cylinder is used to guide the material to the feed inlet. The conical cylinder is located below the draining cylinder, and the upper surface of the conical cylinder slopes down from the inner wall of the flotation cylinder toward the feed inlet.

[0020] Furthermore, the lower end of the central shaft penetrates the bottom of the outer cylinder and is connected to a motor preset at the bottom of the outer cylinder, and the central shaft rotates under the drive of the motor.

[0021] Furthermore, the number of discharge pipes is four and they are evenly arranged in the flotation chamber.

[0022] In one structure of the present invention, each discharge pipe is vertically arranged and abuts against the outer wall of the draining cylinder, with the lower end of each discharge pipe located in the upper middle part of the flotation chamber. In this method, the chili seeds are sprayed vertically, with lighter seeds moving downwards first and then upwards (moving in a V-shape), while heavier seeds move downwards directly. Simultaneously, the flotation surface is relatively narrow (a narrow vertical surface). As chili seeds are continuously sprayed, the lighter seeds that are sprayed upwards first and the seeds sprayed later interfere with each other, affecting flotation to some extent and reducing flotation efficiency.

[0023] In another structure of the present invention, the upper end of each discharge pipe is vertically arranged and abuts against the outer wall of the draining cylinder, while the lower end is horizontally arranged and tangential to the outer wall of the draining cylinder. In this way, chili seeds are sprayed out horizontally (tangentially). The lighter ones move horizontally and rotate upwards (the movement trajectory is an upward-curving curve), while the heavier ones move horizontally and downwards (the movement trajectory is a downward-curving curve, similar to a parabola). As chili seeds are continuously sprayed out, the downward-moving and upward-moving chili seeds do not interfere with each other. At the same time, because it is a horizontal spray, the flotation surface of the chili seeds is wider (a horizontal parabola), the lighter and heavier chili seeds are more dispersed, and the lighter and heavier chili seeds are easier to separate, resulting in higher flotation efficiency.

[0024] A screening method for the above-mentioned rapid screening device for chili seeds includes the following steps: S1. Start water pump one to inject water into the material tank.

[0025] S2. Start water pump two. Water pump two draws water from the material tank into the annular pipe, and then sprays it into the flotation chamber through the discharge pipe.

[0026] S3. After the water overflows from the overflow port, the chili seeds that have been screened to remove dust are put into the material box. The chili seeds are pumped into the annular pipe by the water flow and then sprayed into the water in the flotation chamber through the discharge pipe. While stirring the water, the chili seeds fall to the bottom of the flotation chamber and slide into the inner cylinder through the feed port. The lighter chili seeds float up and flow with the water from the overflow port into the overflow chamber, and finally flow out from the slag discharge pipe.

[0027] S4. Rotate the central shaft to drive the spiral trough plate to rotate. The spiral trough plate will convey the chili seeds at the bottom of the flotation chamber upwards and finally discharge them into the draining cylinder through the discharge port.

[0028] S5. As the chili seeds slide down the spiral draining plate, the water on them falls through the drain holes on the draining plate into the hollow interlayer and then into the drain pipe, from where they are discharged to the outside. Meanwhile, the chili seeds slide down the draining plate to the bottom of the draining cylinder and finally fall into the discharge pipe, from where they are discharged to the outside for collection and later use.

[0029] Furthermore, the water level inside the material box is not less than one-third of the inner height of the material box, ensuring that the chili seeds have enough water to be sprayed out from the feed pipe. At the same time, the water also agitates the water in the flotation chamber, disperses the chili seeds, and improves the flotation efficiency.

[0030] The screening device described in this invention can efficiently and quickly sort chili seeds, and can perform continuous screening without interruption, resulting in high processing efficiency. Attached Figure Description

[0031] The present invention will now be described in further detail with reference to the accompanying drawings.

[0032] Figure 1 This is a front view of the screening device described in this invention; Figure 2 for Figure 1 A sectional view; Figure 3 for Figure 1 A cross-sectional view along the AA direction; Figure 4 This is a top view of the screening device described in this invention; Figure 5 for Figure 4 A cross-sectional view along the BB direction; The diagram shows: 1-Outer cylinder, 2-Slag discharge pipe, 3-Support column, 4-Motor, 5-Central shaft, 6-Feed inlet, 7-Inner cylinder, 8-Spiral groove plate, 9-Filter hole, 10-Draining cylinder, 11-Draining plate, 12-Hollow jacket, 13-Draining hole, 14-Flotation cylinder, 15-Overflow hole, 16-Discharge hole, 17-Pipe 1, 18-Water pump 1, 19-Pipe 2, 20-Material box, 21-Agitator blade, 22-Pipe 3, 23-Water pump 2, 24-Annular pipe, 25-Pipe 4, 26-Discharge pipe, 27-Overflow chamber, 28-Flotation chamber, 29-Conical cylinder, 30-Discharge pipe, 31-Drainage pipe. Detailed Implementation

[0033] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings of this specification are merely for illustrative purposes to aid those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effects and objectives achieved by the invention, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity and are not intended to limit the scope of the invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention's implementation.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Example 1

[0036] like Figure 1-5As shown, this embodiment provides a rapid screening device for chili seeds, including a hollow outer cylinder 1, a central shaft 5, an inner cylinder 7, a spiral groove plate 8, a draining cylinder 10, a draining plate 11, a flotation cylinder 14, an annular pipe 24, a discharge pipe 26, a material box 20, a first water pump 18, and a second water pump 23. The central shaft 5, inner cylinder 7, spiral groove plate 8, draining cylinder 10, draining plate 11, flotation cylinder 14, annular pipe 24, and discharge pipe 26 are respectively installed inside the outer cylinder 1, while the material box 20, first water pump 18, and second water pump 23 are respectively installed outside the outer cylinder 1.

[0037] The outer cylinder 1 is a hollow cylinder, and a slag discharge pipe 2 communicating with its interior is provided at the bottom of the outer side of the outer cylinder 1. Four support columns 3 are also evenly installed at the bottom of the outer cylinder 1, and the support columns 3 are used to support the entire device.

[0038] The central shaft 5 is vertically and rotatably installed inside the outer cylinder 1. The lower end of the central shaft 5 penetrates the bottom of the outer cylinder 1 and is connected to the motor 4 pre-installed at the bottom of the outer cylinder 1. The central shaft 5 can rotate under the drive of the motor 4.

[0039] The inner cylinder 7 is sleeved outside the central shaft 5 and its upper and lower ends are respectively fixed to the top of the inner wall of the outer cylinder 1 and the bottom of the inner wall of the outer cylinder 1. A discharge port 16 is provided at the top of the side wall of the inner cylinder 7 and a feed port 6 is provided at the bottom of the side wall of the inner cylinder 7. The center line of the inner cylinder 7 coincides with the center line of the central shaft 5.

[0040] The spiral groove plate 8 is spirally fixed to the central shaft 5 from bottom to top and can rotate with the central shaft 5 in the inner cylinder 7 (the inner side of the spiral groove plate 8 is fixedly connected to the central shaft 5, and the outer side is slidably fitted with the inner cylinder 7). Numerous filter holes 9 are provided on the spiral groove plate 8, penetrating both the upper and lower surfaces. The spiral groove plate 8 is used to convey chili seeds from the inlet 6 to the outlet 16 from bottom to top. Multiple raised strips can also be provided on the upper surface of the spiral groove plate 8 to prevent the chili seeds from slipping during conveying, thereby improving conveying efficiency.

[0041] The draining cylinder 10 is fitted outside the inner cylinder and communicates with the top of the inner cylinder 7 through the discharge port 16. The centerline of the draining cylinder 10 coincides with the centerline of the inner cylinder 7, forming an annular cavity between the draining cylinder 10 and the inner cylinder 7. The top of the draining cylinder 10 is fixedly connected to the top of the inner wall of the outer cylinder 1, and the bottom of the draining cylinder 10 is located above the discharge port 6 and fixedly connected to the outer wall of the inner cylinder 7 (the connection between the bottom of the draining cylinder 10 and the outer wall of the inner cylinder 7 is located above the discharge port 6). A discharge pipe 30 is connected to the bottom of the draining cylinder 10. The upper end of the discharge pipe 30 communicates with the inner side of the bottom of the draining cylinder 10, and the lower end extends to the outside of the outer cylinder 1, which can transport the screened and drained chili seeds in the draining cylinder 10 to the outside. If necessary, in order to improve the draining efficiency, air inlet and outlet pipes can be connected to the top and bottom of the draining cylinder 10 respectively. The air flows from bottom to top in the draining cylinder 10, carrying away the surface moisture of the chili seeds.

[0042] The draining plate 11 is spirally fixed from top to bottom between the inner wall of the draining cylinder 10 and the outer wall of the inner cylinder 7 (the inner side of the draining plate 11 is fixedly connected to the outer wall of the inner cylinder 7, and the outer side is fixedly connected to the inner wall of the draining cylinder 10); a spirally downward hollow interlayer 12 is provided inside the draining plate 11, and a plurality of drainage holes 13 communicating with the hollow interlayer 12 are provided on the upper part of the draining plate 11; a drain pipe 31 is connected to the bottom of the draining plate 11, the upper end of the drain pipe 31 is connected to the hollow interlayer 12, and the lower end extends to the outside of the outer cylinder 1.

[0043] The flotation cylinder 14 is sleeved outside the draining cylinder 10. The bottom of the flotation cylinder 14 is fixedly connected to the bottom of the inner wall of the outer cylinder 1. The top of the flotation cylinder 14 is lower than the lower edge of the feed port 16 and forms an overflow port 15 between it and the top of the inner wall of the outer cylinder 1. An annular overflow cavity 27 is formed between the outer wall of the flotation cylinder 14 and the inner wall of the outer cylinder 1. The lower part of the overflow cavity 27 is connected to the outside through the slag discharge pipe 2 (the slag discharge pipe 2 is connected to the overflow cavity 27). An annular flotation cavity 28 is formed between the flotation cylinder 14 and the draining cylinder 10. The lower part of the flotation cavity 28 is connected to the inner cylinder 7 (lower inner side) through the feed port 6. The upper part of the flotation cavity 28 is connected to the overflow cavity 27 through the overflow port 15. A conical cylinder 29 is provided at the bottom inner side of the flotation cylinder 14 (bottom inner side of the flotation chamber). The conical cylinder 29 is located below the draining cylinder 10. The upper surface of the conical cylinder 29 slopes down from the inner wall of the flotation cylinder 14 toward the feed inlet 6. A channel for guiding the material to the feed inlet 6 is formed between the upper surface of the conical cylinder 29 and the bottom of the draining cylinder 10.

[0044] The annular pipe 24 is arranged around the upper part of the outer wall of the draining cylinder 10 and fixed to the top of the inner wall of the outer cylinder 1 for material diversion.

[0045] The discharge pipes 26 consist of four tubes connected to the annular pipe 24 and communicating with both the annular pipe 24 and the flotation chamber 28, respectively. These four discharge pipes 26 are evenly arranged around the outer wall of the draining cylinder 10 within the flotation chamber 28. Each discharge pipe 26 is vertically positioned and abuts against the outer wall of the draining cylinder 10, with its lower end located in the upper-middle part of the flotation chamber 28. In this method, the chili seeds are sprayed vertically, with lighter seeds moving downwards first and then upwards (moving in a V-shape), while heavier seeds move downwards directly. However, the flotation surface is relatively narrow (a vertically narrow surface). As chili seeds are continuously sprayed, the lighter seeds that are sprayed upwards first interfere with the seeds sprayed later, affecting flotation efficiency to some extent.

[0046] The material box 20 is a hollow box containing water and chili seeds. The water level inside the material box 20 is not less than one-third of the inner height of the material box 20, ensuring that there is enough water to carry the chili seeds out of the feed pipe 26. At the same time, the water also agitates the water in the flotation chamber 28, dispersing the chili seeds and improving the flotation efficiency.

[0047] The water inlet of the water pump 18 is connected to an external water source through pipe 17, and its outlet is connected to the upper inner side of the material box 20 through pipe 29.

[0048] The inlet of the second water pump 23 is connected to the lower inner side of the material box 20 through the third pipe 22, and its outlet is connected to the annular pipe 24 through the fourth pipe 25.

[0049] The method for screening chili seeds using the aforementioned rapid chili seed screening device includes the following steps: S1. Start water pump 18 to inject water into material tank 20. The amount of water injected into material tank 20 should not be too much or too little. It is advisable to maintain the water level at about one-third of the height of the inside of material tank 20.

[0050] S2. After the water level in the material tank 20 exceeds one-third of the inner height of the material tank 20, start the second water pump 23. The second water pump 23 pumps the water in the material tank 20 to the annular pipe 24. After being diverted to the discharge pipe 26 through the annular pipe 24, the water is sprayed into the flotation chamber 28 through the four discharge pipes 26.

[0051] S3. After the flotation chamber 28 is filled with water and the water overflows from the overflow port 15, the chili seeds with the dust removed are put into the material box 20. The chili seeds are pumped into the annular pipe 24 by the water pump 23 along with the water flow. After being diverted to the discharge pipe 26 through the annular pipe 24, they are sprayed into the water in the flotation chamber 28 through the discharge pipe 26. While stirring the water, the chili seeds fall to the bottom of the flotation chamber 28 and slide into the inner cylinder 7 through the feed port 6. The lighter chili seeds float up and flow with the water flow from the overflow port 15 to the overflow chamber 27, and finally flow out from the slag discharge pipe 2. As the chili seeds are sprayed into the flotation chamber 28 with the water flow, the water is agitated and turbulent. This accelerates the discharge of the chili seeds floating on the surface from the overflow port 15 into the overflow chamber 27, reducing the amount of suspended chili seeds in the flotation chamber 28 and allowing them to be discharged in time. This frees up flotation space for subsequent chili seeds and improves flotation efficiency.

[0052] S4. Start motor 4. Motor 4 drives the central shaft 5 to rotate, which in turn drives the spiral groove plate 8 to rotate. The spiral groove plate 8 conveys the chili seeds at the bottom of the flotation chamber 28 upwards, and finally discharges them from the discharge port 16 into the draining cylinder 10, and then onto the draining plate 11.

[0053] S5. As the chili seeds spiral down the draining plate 11, the water on them falls through the drain holes 13 on the draining plate 11 into the hollow interlayer 12 and then into the drain pipe 31, where they are discharged to the outside. Meanwhile, the chili seeds slide down the draining plate 11 to the bottom of the draining cylinder 10 and finally fall into the discharge pipe 30, where they are discharged to the outside for collection and later use. Example 2

[0054] The difference between this embodiment and Embodiment 1 is that: like Figure 2 and Figure 5 As shown, the upper end of each discharge pipe 26 is vertically positioned and abuts against the outer wall of the draining cylinder 10, while the lower end of each discharge pipe 26 is horizontally positioned and tangential to the outer wall of the draining cylinder 10. In this method, chili seeds are sprayed horizontally (tangentially). The lighter seeds move horizontally and rotate upwards (the movement trajectory is an upward-curving curve), while the heavier seeds move horizontally and downwards (the movement trajectory is a downward-curving curve, similar to a parabola). As chili seeds are continuously sprayed out, the downward-moving and upward-moving seeds do not interfere with each other. At the same time, because of the horizontal spraying, the flotation surface of the chili seeds is wider (a horizontal parabola), the lighter and heavier chili seeds are more dispersed, and the lighter and heavier chili seeds are easier to separate, resulting in higher flotation efficiency. Example 3

[0055] The difference between this embodiment and Embodiment 1 or Embodiment 2 is that: like Figure 2 and Figure 5 As shown, the material box 20 is positioned directly above the central shaft 5. The upper end of the central shaft 5 extends into the material box 20, and four stirring blades 21 that can rotate with the central shaft 5 within the material box 20 are fixed to the upper end of the central shaft 5. The stirring blades 21 rotate within the material box 20 under the drive of the central shaft 5, causing the chili seeds to rotate and loosen, thereby allowing the chili seeds to be smoothly pumped away by the water pump. In addition, the stirring blades are made of plastic and are covered with a soft material to avoid damaging the chili seeds.

[0056] Other aspects of this invention that are not detailed herein are all conventional techniques known to those skilled in the art.

[0057] It should be noted that the terms “comprising,” “including,” or any other variations are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0058] The scope of protection of this invention is not limited to the technical solutions disclosed in the specific embodiments. Any modifications, equivalent substitutions, improvements, etc., made to the above embodiments based on the technical essence of this invention shall fall within the scope of protection of this invention.

Claims

1. A rapid screening device for chili seeds, characterized in that: It includes a hollow outer cylinder, with a slag discharge pipe at the bottom of the outer cylinder; inside the outer cylinder are a central shaft, an inner cylinder, a spiral groove plate, a draining cylinder, a draining plate, a flotation cylinder, an annular pipe, and a discharge pipe; outside the outer cylinder are a material box, a water pump one, and a water pump two. The central shaft is vertically and rotatably installed inside the outer cylinder; The inner cylinder is sleeved outside the central shaft and its upper and lower ends are respectively fixed to the top and bottom of the inner wall of the outer cylinder. A discharge port is provided at the top of the inner cylinder side wall and a feed port is provided at the bottom of the inner cylinder side wall. The spiral groove plate is spirally fixed on the central shaft from bottom to top and can rotate with the central shaft in the inner cylinder. The spiral groove plate is provided with a number of water filter holes that penetrate the upper and lower surfaces of the spiral groove plate. The upper surface of the spiral groove plate is provided with a number of raised strips to prevent the chili seeds from sliding down during the conveying process. The draining cylinder is sleeved outside the inner cylinder and communicates with the inner cylinder through the discharge port. The top of the draining cylinder is fixedly connected to the top of the inner wall of the outer cylinder, and the bottom of the draining cylinder is located above the discharge port and is fixedly connected to the outer wall of the inner cylinder. A discharge pipe is connected to the bottom of the draining cylinder. The upper end of the discharge pipe is connected to the inner side of the bottom of the draining cylinder, and the lower end extends to the outside of the outer cylinder. The draining plate is spirally fixed between the inner wall of the draining cylinder and the outer wall of the inner cylinder from top to bottom; the draining plate has a spirally downward hollow interlayer, and there are many drainage holes at the upper part of the draining plate that communicate with the hollow interlayer; a drain pipe is connected to the bottom of the draining plate, the upper end of the drain pipe communicates with the hollow interlayer, and the lower end extends to the outside of the outer cylinder. The flotation cylinder is sleeved outside the draining cylinder. The bottom of the flotation cylinder is fixedly connected to the bottom of the inner wall of the outer cylinder. The top of the flotation cylinder is lower than the lower edge of the feed port and forms an overflow port with the top of the inner wall of the outer cylinder. An annular overflow cavity is formed between the flotation cylinder and the outer cylinder. The lower part of the overflow cavity is connected to the outside through a slag discharge pipe. An annular flotation cavity is formed between the flotation cylinder and the draining cylinder. The lower part of the flotation cavity is connected to the inner cylinder through a feed port, and the upper part of the flotation cavity is connected to the overflow cavity through an overflow port. The annular tube is arranged on the upper part of the outer wall of the draining cylinder; The discharge pipe consists of multiple pipes connected to the annular pipe and communicating with the annular pipe and the flotation chamber respectively; the upper end of each discharge pipe is vertically arranged and abuts against the outer wall of the draining cylinder, and the lower end is horizontally arranged and tangent to the outer wall of the draining cylinder. The material box is a hollow box containing water and chili seeds; the material box is located directly above the central shaft, the upper end of the central shaft extends into the material box and multiple stirring blades that can rotate with the central shaft inside the material box are fixed at the upper end of the central shaft. The inlet of the water pump is connected to an external water source through pipe one, and its outlet is connected to the upper part of the inside of the material box through pipe two. The inlet of the second water pump is connected to the lower inner side of the material box through the third pipe, and its outlet is connected to the ring pipe through the fourth pipe.

2. The rapid screening device for chili seeds according to claim 1, characterized in that: Multiple support columns are evenly installed at the bottom of the outer cylinder.

3. The rapid chili seed screening device according to claim 1, characterized in that: The bottom inner side of the flotation cylinder is provided with a conical cylinder, which is located below the draining cylinder. The upper surface of the conical cylinder slopes down from the inner wall of the flotation cylinder toward the feed inlet.

4. The rapid screening device for chili seeds according to claim 1, characterized in that: The lower end of the central shaft penetrates the bottom of the outer cylinder and is connected to a motor drive that is pre-installed at the bottom of the outer cylinder.

5. The rapid chili seed screening device according to claim 1, characterized in that: The number of discharge pipes is four, and they are evenly arranged in the flotation chamber.

6. The rapid screening device for chili seeds according to claim 1, characterized in that: Each discharge pipe is vertically installed and attached to the outer wall of the draining cylinder, with the lower end of each discharge pipe located in the upper middle part of the flotation chamber.

7. A screening method for the rapid screening device for chili seeds as described in any one of claims 1-6, characterized in that, Includes the following steps: S1. Start water pump one and pump water into the material tank through water pump one; S2. Start water pump two. Water pump two draws water from the material tank into the annular pipe, and then sprays it into the flotation chamber through the discharge pipe. S3. After the water overflows from the overflow port, the chili seeds that have been screened to remove dust are put into the material box. The chili seeds are pumped into the annular pipe by the water flow and then sprayed into the water in the flotation chamber through the discharge pipe. While stirring the water, the chili seeds fall to the bottom of the flotation chamber and slide into the inner cylinder through the feed port. The lighter chili seeds float up and flow with the water from the overflow port into the overflow chamber, and finally flow out from the slag discharge pipe. S4. Rotate the central shaft to drive the spiral trough plate to rotate. The spiral trough plate will convey the chili seeds at the bottom of the flotation chamber upwards and finally discharge them into the draining cylinder through the discharge port. S5. As the chili seeds slide down the spiral draining plate, the water on them falls through the drain holes on the draining plate into the hollow interlayer and then into the drain pipe, from where they are discharged to the outside. Meanwhile, the chili seeds slide down the draining plate to the bottom of the draining cylinder and finally fall into the discharge pipe, from where they are discharged to the outside for collection and later use.

8. The screening method of the rapid screening device for chili seeds according to claim 7, characterized in that: The water level inside the material box shall not be less than one-third of the height of the inside of the material box.

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