Wheat washing mechanism for agricultural production and processing

Abstract

The invention discloses a wheat elutriation mechanism for agricultural production and processing, which comprises an elutriation box, an elutriation assembly is arranged in the elutriation box, the elutriation assembly comprises a fan A which is fixedly arranged on the elutriation box, a waste port A is fixedly arranged on the elutriation box on the opposite side of the fan A, a waste port B is arranged below the waste port A, and a waste port C is arranged below the waste port B; and an electric telescopic rod B is fixedly arranged below the waste port B, a collecting frame is fixedly arranged at the end of the electric telescopic rod B, and a placing plate is fixedly arranged outside the elutriation box. The device relates to the technical field of agricultural production and processing, the collecting frame is driven by the electric telescopic rod B to move, then the filter gauze is driven to move into the elutriation box, and then water is drained; according to the wheat washing machine, the filter screen is arranged on the water surface, so that defective wheat floating above the water surface falls onto the filter screen, collection of the defective wheat is achieved, the defective wheat on the filter screen is cleaned through the scraping plate on the storage frame, screening of the wheat and the defective wheat is achieved, and then the washing quality of the wheat washing machine is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural production and processing, and in particular is a wheat washing mechanism for agricultural production and processing. Background Art

[0002] Wheat is a general term for plants of the genus Triticeae. The representative species is common wheat, which is a plant of the Poaceae family and a cereal crop widely grown throughout the world. The caryopsis of wheat is one of the staple foods of mankind. After being ground into flour, it can be used to make bread, steamed buns, biscuits, noodles and other foods. After fermentation, it can be made into beer, alcohol, liquor (such as vodka), or biomass fuel. Wheat usually needs to be washed with clean water before being ground into flour.

[0003] The invention discloses a wheat washing device for agricultural production and processing with publication number CN110721758A. The invention is provided with a rack, a gear, a first motor, mounting screws, a mounting frame, a rack, a connecting block and a door panel. The design can facilitate the staff to take the washed wheat; by providing a second motor, a stirring shaft, stirring blades and a fixing rod, the design can improve the washing efficiency of wheat and have a higher degree of automation. The invention has good washing effect, is convenient for material taking, has a high degree of automation, and is simple to operate, and is suitable for popularization and use.

[0004] However, although the equipment can effectively wash the wheat, it is unable to screen out the defective wheat with incomplete grains and worm holes during the actual washing process, and needs to be cleaned manually, thus affecting the washing quality. Summary of the invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art; to this end, the present invention proposes a wheat washing mechanism for agricultural production and processing.

[0006] To achieve the above object, the present invention provides the following technical solution: a wheat washing mechanism for agricultural production and processing, comprising: a washing box, characterized in that a washing device is provided inside the washing box, and the washing device comprises:

[0007] A washing assembly is arranged inside a washing box for washing wheat, the washing assembly comprises a motor A fixedly arranged inside the washing box, a rocker is fixedly arranged at the end of the motor A, a connecting rod is fixedly arranged at the end of the rocker, a screening frame is movably connected to one end of the connecting rod, a fan A is fixedly arranged on the washing box on one side of the screening frame, a waste port A is fixedly arranged on the washing box on the side opposite to the fan A, a waste port B is opened on the wall of the washing box below the waste port A, a water baffle is slidably arranged inside the waste port B, and the water baffle is fixedly connected to the screen frame by a connecting plate There is an electric telescopic rod A, an electric telescopic rod B is fixedly provided below the waste opening B, a collection frame is fixedly provided at the end of the electric telescopic rod B, a placement plate is fixedly provided outside the washing box, a storage box is fixedly provided on the placement plate, a winding roller is movably provided inside the storage box, a motor B is fixedly provided at the end of the winding roller, a filter gauze is wound around the winding roller, one end of the filter gauze is fixedly connected to the collection frame, a scraper is fixedly provided on the storage box, a waste trough is fixedly provided below the scraper, and a recovery pipe arranged above the waste trough is fixedly provided on the waste opening A;

[0008] A drying component is arranged on one side of the washing box and is used to dry the washed wheat;

[0009] The conveying component is arranged between the washing box and the drying component and is used for conveying the wheat.

[0010] As a further preferred embodiment of the technical solution: a screen plate A is fixedly provided inside the screening frame, a screen plate B is slidably provided above the screen plate A, an L-shaped connecting rod is fixedly provided on the screen plate B, a pull plate is fixedly connected to the L-shaped connecting rod through a fixing spring, a positioning rod is fixedly provided on the pull plate, a positioning hole matching the positioning rod is fixedly provided on the screening frame, a water inlet pipe is fixedly provided on the side wall of the washing box below the screening frame, a cleaning frame is fixedly provided on the washing box at the bottom of the screening frame, and a cleaning brush is fixedly provided on the cleaning frame.

[0011] As a further preferred embodiment of the present technical solution: a plurality of groups of stirring shafts are rotatably provided at the bottom of the storage box, a plurality of groups of stirring plates are fixedly provided on the stirring shafts, a motor C is fixedly provided on the stirring shaft located at the center of the storage box, the stirring shafts are connected to each other by belt transmission, a guide plate A is fixedly provided at the bottom of the storage box, a drainage groove is provided at the end of the guide plate A, a filter is fixedly provided on the drainage groove, a drainage pipe is fixedly provided at the bottom of the drainage groove, a discharge port is fixedly provided on the storage box located at the lowest point of the guide plate A, a sealing plate is slidingly provided inside the discharge port, and an electric telescopic rod B fixedly connected to the sealing plate is fixedly provided on the washing box above the discharge port.

[0012] As a further preferred embodiment of the present technical solution: the drying component includes a drying box arranged on one side of the washing box, a heating frame is fixedly provided on the top of the drying box, a heating plate is fixedly provided inside the heating frame, a fan B is fixedly provided above the heating plate, an auger is rotatably provided on the drying box located below the heating frame, and a motor D is fixedly provided at the bottom of the auger.

[0013] As a further preferred embodiment of the present technical solution: the conveying assembly includes an electric telescopic rod C and an electric telescopic rod D fixedly arranged on one side of the washing box, a conveying frame is movably provided at the end of the electric telescopic rod C and the electric telescopic rod D through a connecting block, a conveying belt is provided inside the conveying frame, a motor E for driving the conveying belt is fixedly provided on the conveying frame, and partition plates are fixedly provided on the conveying belt at equal intervals.

[0014] As a further preferred embodiment of the technical solution: a connecting plate is fixedly provided on the washing box located on one side of the waste outlet, a movable groove is opened on the connecting plate, and a movable block matching the movable groove is fixedly provided on the side wall of the screening frame.

[0015] As a further preferred embodiment of the present technical solution: the mesh size of the filter inside the drainage trough is smaller than the size of wheat.

[0016] As a further preferred embodiment of the technical solution: a guide plate B is fixedly provided at the bottom of the drying box, and a discharge pipe with a valve is fixedly provided on the drying box at the lowest point of the guide plate B.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In the present invention, the screening frame is driven by the motor A to move back and forth in the washing box, so that the straw in the wheat is separated from the wheat, and then the straw is blown into the waste port A by the fan A, and transported to the waste trough through the recovery pipe, so as to achieve the initial cleaning of the wheat and improve its washing quality. After the washing is completed, the collecting frame is driven to move by the electric telescopic rod B, and then the filter mesh is driven to move into the washing box to cover the washing box, and then the washing box is drained, so that the defective wheat floating above the water surface falls onto the filter mesh, so as to achieve the collection of the defective wheat, and then the collecting frame is driven to shrink by the electric telescopic rod B, and at the same time, the motor B drives the winding roller to rotate, so as to achieve the recovery of the filter mesh, and the defective wheat on the filter mesh is cleaned by the scraper on the receiving frame, so that it falls into the waste trough, so as to achieve the second cleaning of the wheat, so as to achieve the screening of the wheat and the defective wheat, and then improve its washing quality.

[0019] 2. In the present invention, the screening plate B is driven to move by the L-shaped connecting rod, so that it is misaligned with the screening plate A, so that it can screen different varieties of wheat, thereby improving its applicability. At the same time, the stirring shaft is driven to rotate by the motor C, so that the wheat entering the washing box is fully stirred and washed, thereby improving its washing quality.

[0020] 3. In the present invention, the washed wheat is transported to the drying box through the conveying assembly, the hot air generated by the drying plate is transported to the drying box through the motor B, and then the auger is driven to rotate by the motor D, so that the wheat entering the drying box is turned up and down, so that the wheat in the drying box is heated evenly, thereby ensuring its drying quality. At the same time, the electric telescopic rod C and the electric telescopic rod D cooperate to make the feeding assembly perpendicular to the ground, so as to facilitate the control of water droplets remaining on the feeding assembly, thereby improving the service life of the feeding assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0022] Figure 2 is a cross-sectional view of the elutriation box of the present invention;

[0023] Figure 3 It is a cross-sectional view of a drying box of the present invention;

[0024] Figure 4 is a schematic diagram of a heating frame of the present invention;

[0025] Figure 5 Schematic diagram of the stirring shaft of the present invention;

[0026] Figure 6 It is a schematic diagram of the screening frame of the present invention.

[0027] Legend: 1. Washing box; 2. Washing assembly; 201. Motor A; 202. Screening frame; 203. Fan A; 204. Waste outlet A; 205. Waste outlet B; 206. Water-blocking board; 207. Electric telescopic rod A; 208. Electric telescopic rod B; 209. Collection frame; 210. Storage box; 211. Motor B; 212. Filter screen; 213. Scraper; 214. Waste trough; 215. Recovery pipe; 3. Drying assembly; 301. Drying box; 302. Heating frame; 303. Heating plate; 304. Fan B; 305 , auger; 306, motor D; 4, conveying assembly; 401, electric telescopic rod C; 402, electric telescopic rod D; 403, conveying frame; 404, motor E; 405, partition plate; 6, screening plate A; 7, screening plate B; 8, L-shaped connecting rod; 9, positioning rod; 10, positioning hole; 11, water inlet pipe; 12, cleaning frame; 13, cleaning brush; 14, stirring shaft; 15, motor C; 16, drain trough; 17, filter screen; 18, drain pipe; 19, discharge port; 20, sealing plate; 21, discharge pipe; 22, electric telescopic rod E. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Please refer to Figures 1-6, the present application provides a wheat washing mechanism for agricultural production and processing, including:

[0030] Embodiment 1: comprising: a washing box 1, a washing device is arranged inside the washing box 1, the washing device comprises: a washing assembly 2, arranged inside the washing box 1 for washing wheat, the washing assembly 2 comprises a motor A201 fixedly arranged inside the washing box 1, a rocker is fixedly arranged at the end of the motor A201, a connecting rod is fixedly arranged at the end of the rocker, a screening frame 202 is movably connected to one end of the connecting rod, and a fan A203 is fixedly arranged on the washing box 1 located on one side of the screening frame 202 A waste opening A204 is fixedly provided on the washing box 1 on the side opposite to the fan A203, a cleaning frame 12 is fixedly provided on the washing box 1 at the bottom of the screening frame 202, a cleaning brush 13 is fixedly provided on the cleaning frame 12, a waste opening B205 is provided on the wall of the washing box 1 below the waste opening A204, a water baffle 206 is slidably provided inside the waste opening B205, and the water baffle 206 is driven to move by an electric telescopic rod A207 to prevent water in the washing box 1 from flowing out of the waste opening B204. 5, thereby reducing the waste of water resources, the water baffle 206 is fixedly connected with an electric telescopic rod A207 through a connecting plate, an electric telescopic rod B208 is fixedly arranged below the waste opening B205, a collecting frame 209 is fixedly arranged at the end of the electric telescopic rod B208, a placing plate is fixedly arranged outside the washing box 1, a storage box 210 is fixedly arranged on the placing plate, a winding roller is movably arranged inside the storage box 210, a motor B211 is fixedly arranged at the end of the winding roller, and a collecting frame 209 is fixedly arranged on the end of the winding roller. A filter screen 212 is wound around, one end of the filter screen 212 is fixedly connected to the collecting frame 209, a scraper 213 is fixedly provided on the storage box 210, a waste trough 214 is fixedly provided below the scraper 213, and a recovery pipe 215 is fixedly provided above the waste trough 214 on the waste port A204; a drying component 3 is arranged on one side of the washing box 1 for drying the washed wheat; a conveying component 4 is arranged between the washing box 1 and the drying component 3 for conveying the wheat.

[0031] The motor A201 drives the screening frame 202 to move back and forth in the washing box 1, so as to separate the straw from the wheat, and then the fan A203 blows the straw to the waste port A204, and transports it to the waste trough 214 through the recovery pipe 215, so as to achieve the initial cleaning of the wheat and improve its washing quality. After the washing is completed, the electric telescopic rod B208 drives the collection frame 209 to move, and then drives the filter screen 212 to move into the washing box 1 to cover the washing box 1, and then the washing box 1 Drainage allows the defective wheat floating on the water surface to fall onto the filter screen 212, thereby collecting the defective wheat; then the electric telescopic rod B208 drives the collection frame 209 to contract, and the motor B211 drives the winding roller to rotate, thereby recycling the filter screen 212; and the scraper 213 on the storage frame cleans the defective wheat on the filter screen 212, causing it to fall into the waste trough 214, thereby cleaning the wheat again, thereby screening the wheat and the defective wheat, thereby improving its washing quality.

[0032] Embodiment 2:

[0033] On the basis of Example 1, a screening plate A6 is fixedly provided inside the screening frame 202, a screening plate B7 is slidably provided above the screening plate A6, an L-shaped connecting rod 8 is fixedly provided on the screening plate B7, a pull plate is fixedly connected to the L-shaped connecting rod 8 by a fixing spring, a positioning rod 9 is fixedly provided on the pull plate, a positioning hole 10 matching the positioning rod 9 is fixedly provided on the screening frame 202, a water inlet pipe 11 is fixedly provided on the side wall of the washing box 1 located below the screening frame 202, a cleaning frame 12 is fixedly provided on the washing box 1 located at the bottom of the screening frame 202, a cleaning brush 13 is fixedly provided on the cleaning frame 12, and a plurality of groups of stirring shafts 14 are rotatably provided at the bottom of the storage box 210. A plurality of stirring plates are fixedly provided on the stirring shaft 14, a motor C15 is fixedly provided on the stirring shaft 14 located at the center of the storage box 210, the stirring shafts 14 are connected to each other through a belt drive, a guide plate A is fixedly provided at the bottom of the storage box 210, a drainage groove 16 is provided at the end of the guide plate A, a filter screen 17 is fixedly provided on the drainage groove 16, a drainage pipe 18 is fixedly provided at the bottom of the drainage groove 16, a discharge port 19 is fixedly provided on the storage box 210 located at the lowest point of the guide plate A, a sealing plate 20 is slidingly provided inside the discharge port 19, and an electric telescopic rod E22 fixedly connected to the sealing plate 20 is fixedly provided on the washing box 1 above the discharge port 19.

[0034] The screening plate B7 is driven to move by the L-shaped connecting rod 8, so that it is misaligned with the screening plate A6, so that it can screen different varieties of wheat, thereby improving its applicability. At the same time, the stirring shaft 14 is driven to rotate by the motor C15, so that it can fully stir and wash the wheat entering the washing box 1, thereby improving its washing quality.

[0035] Embodiment 3:

[0036] On the basis of Example 1, a drying component 3 and a conveying component 4 are provided on one side of the washing box 1. The drying component 3 includes a drying box 301 arranged on one side of the washing box 1. A heating frame 302 is fixedly provided on the top of the drying box 301. A heating plate 303 is fixedly provided inside the heating frame 302. A fan B304 is fixedly provided above the heating plate 303. An auger 305 is rotatably provided on the drying box 301 located below the heating frame 302. A motor D306 is fixedly provided at the bottom of the auger 305. The conveying component 4 includes an electric telescopic rod C401 and an electric telescopic rod D402 fixedly provided on one side of the washing box 1. The electric telescopic rod C401 and the electric telescopic rod D406 are fixedly provided on the bottom of the auger 305. A conveying frame 403 is movably provided at the end of 02 through a connecting block, a conveying belt is provided inside the conveying frame 403, a motor E404 for driving the conveying belt is fixedly provided on the conveying frame 403, a partition plate 405 is fixedly provided at equal intervals on the conveying belt, a connecting plate is fixedly provided on the washing box 1 located on one side of the waste outlet, a movable groove is opened on the connecting plate, a movable block matching the movable groove is fixedly provided on the side wall of the screening frame 202, the mesh size of the filter screen 17 inside the drainage trough 16 is smaller than the size of wheat, a guide plate B is fixedly provided on the bottom of the drying box 301, and a discharge pipe 21 with a valve is fixedly provided on the drying box 301 located at the lowest point of the guide plate B.

[0037] The washed wheat is conveyed to the drying box 301 through the conveying component 4, the hot air produced by the drying plate is conveyed to the drying box 301 through the fan B304, and then the auger 305 is driven to rotate by the motor D306, so that the wheat entering the drying box 301 is turned up and down, so that the wheat in the drying box 301 is heated evenly, thereby ensuring its drying quality. At the same time, the electric telescopic rod C401 and the electric telescopic rod D402 are matched to make the feeding component perpendicular to the ground, so as to facilitate the control of residual water droplets on the feeding component, thereby increasing the service life of the feeding component.

[0038] Working principle: The wheat to be washed is conveyed into the washing box 1, and falls onto the screening frame 202. Then, the screening frame 202 is driven to move back and forth in the washing box 1 by the motor A201, so as to separate the wheat from the straw. When separating the wheat, the screening net A and the screening net B are cleaned by the cleaning brush 13 in the cleaning frame 12 to ensure the screening quality. Then, the straw is blown into the waste port A204 by the fan A203, and transported to the waste trough 214 through the recovery pipe 215. The screened wheat falls to the bottom of the washing box 1, and is transported to the washing box through the conveying pipe. 1, and then the motor C15 drives the stirring shaft 14 in the washing box 1 to rotate. Since the defective wheat is lighter, the stirring shaft 14 separates it from the wheat, and makes it float on the water surface under the action of buoyancy. Then the electric telescopic rod B208 drives the collecting frame 209 to move, and then drives the filter screen 212 to move into the washing box 1 to cover the washing box 1. Then the drainage pipe 18 in the drainage groove 16 on the guide plate A at the bottom of the washing box 1 drains the water, and separates the wheat from the wastewater through the filter screen 17, so that the defective wheat floating on the water surface falls onto the filter screen 212. The defective wheat is collected, and then the electric telescopic rod B208 drives the collection frame 209 to shrink, and the motor B211 drives the winding roller to rotate to recycle the filter screen 212, and the scraper 213 on the storage frame cleans the defective wheat on the filter screen 212 and makes it fall into the waste trough 214, so as to clean the wheat again, thereby realizing the screening of wheat and defective wheat, and then the electric telescopic rod C401 cooperates with the electric telescopic rod D402 to adjust one end of the conveying frame 403 to the bottom of the discharge port 19, and the other end is moved to the top of the drying box 301. Then, the sealing plate 20 is driven to move by the electric telescopic rod B208, and at the same time, the motor E404 on the conveying frame 403 is started to drive the conveyor belt to rotate, so that the washed wheat falls into the cutting groove isolated by the partition plate 405 on the conveyor belt, and then it is transported to the drying box 301, and the hot air produced by the drying plate is transported to the drying box 301 by the fan B304, and then the auger 305 is driven to rotate by the motor D306, so that the wheat entering the drying box 301 is turned up and down, so that the wheat in the drying box 301 is evenly heated, thereby ensuring its washing quality. After washing, it is discharged through the discharge pipe 21.

[0039] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A wheat washing mechanism for agricultural production and processing, comprising: The elutriation box is characterized in that an elutriation device is provided inside the elutriation box, and the elutriation device comprises: A washing assembly is arranged inside a washing box for washing wheat, the washing assembly comprises a motor A fixedly arranged inside the washing box, a rocker is fixedly arranged at the end of the motor A, a connecting rod is fixedly arranged at the end of the rocker, a screening frame is movably connected to one end of the connecting rod, a fan A is fixedly arranged on the washing box on one side of the screening frame, a waste port A is fixedly arranged on the washing box on the side opposite to the fan A, a waste port B is opened on the wall of the washing box below the waste port A, a water baffle is slidably arranged inside the waste port B, and the water baffle is fixedly connected to the screen frame by a connecting plate There is an electric telescopic rod A, an electric telescopic rod B is fixedly provided below the waste opening B, a collection frame is fixedly provided at the end of the electric telescopic rod B, a placement plate is fixedly provided outside the washing box, a storage box is fixedly provided on the placement plate, a winding roller is movably provided inside the storage box, a motor B is fixedly provided at the end of the winding roller, a filter gauze is wound around the winding roller, one end of the filter gauze is fixedly connected to the collection frame, a scraper is fixedly provided on the storage box, a waste trough is fixedly provided below the scraper, and a recovery pipe arranged above the waste trough is fixedly provided on the waste opening A; A drying component is arranged on one side of the washing box and is used to dry the washed wheat; The conveying component is arranged between the washing box and the drying component and is used for conveying the wheat.

2. A wheat washing mechanism for agricultural production and processing according to claim 1, characterized in that: A screening plate A is fixedly provided inside the screening frame, a screening plate B is slidably provided above the screening plate A, an L-shaped connecting rod is fixedly provided on the screening plate B, a pull plate is fixedly connected to the L-shaped connecting rod via a fixing spring, a positioning rod is fixedly provided on the pull plate, a positioning hole matching the positioning rod is fixedly provided on the screening frame, a water inlet pipe is fixedly provided on the side wall of a washing box located below the screening frame, a cleaning frame is fixedly provided on the washing box located at the bottom of the screening frame, and a cleaning brush is fixedly provided on the cleaning frame.

3. A wheat washing mechanism for agricultural production and processing according to claim 1, characterized in that: A plurality of stirring shafts are rotatably provided at the bottom of the storage box, a plurality of stirring plates are fixedly provided on the stirring shafts, a motor C is fixedly provided on the stirring shaft located at the center of the storage box, the stirring shafts are connected with each other through belt transmission, a guide plate A is fixedly provided at the bottom of the storage box, a drainage groove is provided at the end of the guide plate A, a filter is fixedly provided on the drainage groove, a drainage pipe is fixedly provided at the bottom of the drainage groove, a discharge port is fixedly provided on the storage box located at the lowest point of the guide plate A, a sealing plate is slidingly provided inside the discharge port, and an electric telescopic rod E fixedly connected to the sealing plate is fixedly provided on the washing box above the discharge port.

4. A wheat washing mechanism for agricultural production and processing according to claim 1, characterized in that: The drying assembly includes a drying box arranged on one side of the washing box, a heating frame is fixedly provided on the top of the drying box, a heating plate is fixedly provided inside the heating frame, a fan B is fixedly provided above the heating plate, an auger is rotatably provided on the drying box located below the heating frame, and a motor D is fixedly provided at the bottom of the auger.

5. The wheat washing mechanism for agricultural production and processing according to claim 1, characterized in that: The conveying assembly includes an electric telescopic rod C and an electric telescopic rod D fixedly arranged on one side of the washing box, and a conveying frame is movably provided at the end of the electric telescopic rod C and the electric telescopic rod D through a connecting block. A conveyor belt is provided inside the conveying frame, and a motor E for driving the conveyor belt is fixedly provided on the conveying frame. Partition plates are fixedly provided on the conveyor belt at equal intervals.

6. A wheat washing mechanism for agricultural production and processing according to claim 1, characterized in that: A connecting plate is fixedly provided on the washing box located at one side of the waste material outlet, a moving groove is opened on the connecting plate, and a moving block matching the moving groove is fixedly provided on the side wall of the screening frame.

7. A wheat washing mechanism for agricultural production and processing according to claim 3, characterized in that: The mesh size of the filter screen inside the drainage trough is smaller than the size of wheat.

8. A wheat washing mechanism for agricultural production and processing according to claim 4, characterized in that: A guide plate B is fixedly provided at the bottom of the drying box, and a discharge pipe with a valve is fixedly provided on the drying box at the lowest point of the guide plate B.

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