CN210718452U - A grain storage dehydration device - Google Patents

Abstract

The utility model discloses a grain storage dewatering device, comprising a dust removal feeding box and a drying box. A hopper is arranged at the opening of the dust removal feeding box, and a plug is arranged at the bottom opening of the hopper. The plug is composed of two cones. The top of the head is provided with a pull rod extending upward, and the hopper is provided with a horizontally arranged circular spacer plate formed by splicing two semi-circular plates. There are two conical parts; the bottom of the dust removal feeding box is provided with a centrifugal cylinder, the bottom wall of the centrifugal cylinder is evenly distributed with a plurality of ventilation holes, and an annular ring is arranged between the outer side wall of the centrifugal cylinder and the inner side wall of the dust removal feeding box The side wall of the dust-removing and feeding box is provided with a discharge pipe that communicates with the inlet and the lowest part of the receiving plate, and the discharge port of the discharge pipe extends to the top of the drying box; the drying box is provided with a drying cylinder The bottom of the side wall of the drying box is provided with a hot air pipe, the hot air pipe is connected with a blower, and a heating device is arranged in the hot air pipe.

Description

A grain storage dehydration device

technical field

The utility model relates to the field of grain storage equipment, in particular to a grain storage dehydration device.

Background technique

Grain refers to the general term for various plant seeds in cooking food, also known as "grain", which is rich in nutrients, mainly protein, vitamins, dietary fiber, fat, etc., generally refers to grains such as wheat, rice, sorghum, etc. The world's leading grain country, in the main grain producing areas, due to the large output and insufficient drying space, the grain purchased by the grain depot often exceeds the safe moisture content. When the temperature and humidity in the environment where the grain is located is adjusted to meet the growth and reproduction of microorganisms, it will happen. Mildew, especially when it is cloudy or rainy during the period of grain purchase, so the grain needs to be dried. Because the grain is harvested from the land, it will carry sand and gravel. Most of the existing grain drying equipment directly dries the grain, lacks the function of removing impurities, and the drying equipment is easily damaged by impurities.

Utility model content

In order to solve the problems existing in the prior art, the utility model provides a grain storage dehydration device.

The technical scheme adopted by the utility model is:

A grain storage dehydration device includes a dust removal feeding box and a drying box, the top of the dust removal feeding box is provided with an opening, the opening of the dust removal feeding box is provided with a hopper, the hopper is in the shape of a funnel, and the The top of the hopper is closed, the top wall of the hopper is eccentrically provided with a feeding port, and the bottom opening of the hopper is provided with a plug, the plug is composed of two cones whose bottom surfaces are attached to each other, and the plug has the largest diameter It just matches the bottom opening of the dust removal feeding box, the top of the plug is provided with an upwardly extending pull rod, the top of the pull rod extends outside the top wall of the hopper, and the hopper is provided with a horizontally arranged circular separator. , the middle of the circular spacer is provided with a perforation for the pull rod to pass through, the circumferential side of the circular spacer is in contact with the side wall of the hopper, and the circular spacer is spliced by two semicircular plates. The middle part of the semi-circular plate is fixedly connected with a rotating shaft that is rotatably connected to the side wall of the hopper, the rotating shaft is parallel to the straight side of the semi-circular plate, and the part of the tie rod located in the hopper is coaxially provided with two conical parts, two The tapered parts are respectively located above and below the circular separator; when the plug closes the bottom opening of the hopper, the tapered part located under the circular separator just contacts the bottom surface of the circular separator; the dust removal The bottom of the feeding box is provided with a centrifugal cylinder that is open to the bottom of the hopper, the bottom of the dust-removing feeding box is provided with a centrifugal motor that drives the rotation of the centrifugal cylinder, and the periphery of the bottom wall of the centrifugal cylinder is evenly distributed with a plurality of ventilation holes , between the outer side wall of the centrifugal cylinder and the inner side wall of the dust-removing feeding box is provided with a ring-shaped feeding plate, the feeding plate is inclined, and the side wall of the dust-removing feeding box is provided with a feeding port and a receiving plate. The discharge pipe connected to the lowest part of the material plate, the discharge pipe is inclined, and the feed port of the discharge pipe is higher than the discharge port, and the discharge port of the discharge pipe extends to the top of the drying box, so The discharge pipe is provided with a discharge valve; the drying box is provided with a drying cylinder at the discharge port facing the discharge pipe, and the top of the bottom plate of the drying box is provided with a drying motor that drives the rotation of the drying cylinder; the drying The bottom of the side wall of the box is provided with a hot air pipe, the hot air pipe is connected with a blower, and a heating device is arranged in the hot air pipe.

Preferably, the heating device is a heating wire.

Further preferably, the top of the drying box is provided with an overflow valve.

Further preferably, one side of the drying box is provided with a box door, the bottom plate of the drying box is a drawer board that can be taken and placed from the box door, and the bottoms of the two side walls adjacent to the box door of the drying box are provided. There are slides that support and slide the drawers.

Preferably, the outer edge of the top opening of the centrifugal cylinder is provided with a downwardly inclined annular feeding plate, the top of the feeding plate is provided with an annular isolation plate coaxially arranged with the centrifugal cylinder, and the top of the annular isolation plate is provided with The heights are the same, the outer diameter of the annular spacer plate is smaller than the outer diameter of the annular lead plate, and the height of the annular spacer plate is higher than the lowest position of the annular spacer plate.

Further preferably, the top end of the pull rod is provided with an annular limit plate coaxial with the pull rod, the top of the hopper is fixedly provided with a limit sleeve sleeved outside the pull rod, and the side wall of the limit sleeve is along its axis. The limit groove is open in the heart, and the bottom of the annular limit plate is provided with a block matched with the limit groove. When the block is located on the top surface of the limit sleeve, the plug just closes the bottom opening of the hopper; A ring-shaped spring bottom plate is coaxially provided on the part of the draw rod inside the hopper, the spring bottom plate is higher than the higher conical part on the draw rod, and a return spring is arranged between the spring bottom plate and the inner side of the top wall of the hopper.

The beneficial effects of the utility model are: before the grains are dried and dehydrated, the grains are separated from the grains by means of centrifugation and air blowing, utilizing the feature that the weight of the sands is greater than that of the grains, and the separated grains are effectively collected and carried out through a specially designed guiding mechanism. subsequent drying.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the structural enlargement schematic diagram of part A in Fig. 1;

Reference numerals: 10, dust removal feeding box, 11, hopper, 12, feeding port, 13, plug, 14, tie rod, 15, tapered part, 16, circular separator, 17, semicircular plate, 18, Shaft, 20, Centrifugal cylinder, 21, Centrifugal motor, 22, Ventilation hole, 23, Feeder plate, 24, Ring feeder plate, 25, Ring isolation plate, 26, Discharge pipe, 27, Discharge valve, 30, Drying Box, 31, Drying Cylinder, 32, Drying Motor, 33, Hot Air Duct, 34, Blower, 35, Heating Device, 36, Relief Valve, 37, Box Door, 38, Slide Plate, 40, Ring Limiting Plate, 41 , Block, 42, limit sleeve, 43, limit slot, 44, spring bottom plate, 45, return spring.

Detailed ways

The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example

As shown in FIG. 1, a grain storage dehydration device includes a dust removal feeding box 10 and a drying box 30, the top of the dust removal feeding box 10 is provided with an opening, and the opening of the dust removal feeding box 10 is provided with a hopper 11. The hopper 11 is in the shape of a funnel, the top of the hopper 11 is closed, the top wall of the hopper 11 is eccentrically provided with a feeding port 12, and the bottom opening of the hopper 11 is provided with a plug 13, the plug 13 is composed of two cones whose bottom surfaces are attached to each other, and the largest diameter of the plug 13 just matches the bottom opening of the dust removal feed box 10. The top of the plug 13 is provided with an upwardly extending pull rod 14. The pull rod 14 The top of the hopper 11 extends to the outside of the top wall of the hopper 11. The hopper 11 is provided with a circular spacer plate 16 arranged horizontally. The circumferential side of the spacer plate 16 is attached to the side wall of the hopper 11. The circular spacer plate 16 is formed by splicing two semicircular plates 17. The middle of the semicircular plate 17 is fixedly connected to the side wall of the hopper 11. The connected rotating shaft 18, the rotating shaft 18 is parallel to the straight side of the semi-circular plate 17, the part of the tie rod 14 located in the hopper 11 is coaxially provided with two conical parts 15, and the two conical parts 15 are respectively located in the circular spacer. Above and below the plate 16; when the plug 13 closes the bottom opening of the hopper 11, the tapered part 15 located under the circular separator 16 just contacts the bottom surface of the circular separator 16; the dust removal feeding box The bottom of the hopper 10 is provided with a centrifugal cylinder 20 that is open to the bottom of the hopper 11. The bottom of the dust-removing feeding box 10 is provided with a centrifugal motor 21 that drives the rotation of the centrifugal cylinder 20. The bottom wall of the centrifugal cylinder 20 is evenly distributed with A plurality of ventilation holes 22, an annular feeder plate 23 is provided between the outer side wall of the centrifugal cylinder 20 and the inner side wall of the dust removal feed box 10, the feeder plate 23 is arranged obliquely, and the dust removal feed box 10 The side wall is provided with a discharge pipe 26 that communicates with the feed port and the lowest part of the receiving plate 23. The discharge pipe 26 is arranged obliquely, and the feed port of the discharge pipe 26 is higher than the discharge port. The discharge port of the material pipe 26 extends to the top of the drying box 30, and the discharge pipe 26 is provided with a discharge valve 27; the drying box 30 is provided with a drying cylinder 31 just opposite to the discharge port of the discharge pipe 26. , the top of the bottom plate of the drying box 30 is provided with a drying motor 32 that drives the drying cylinder 31 to rotate; the bottom of the side wall of the drying box 30 is provided with a hot air pipe 33, and the hot air pipe 33 is connected with a blower 34. A heating device 35 is provided in the hot air duct 33 .

When in use, first add grain into the hopper 11 through the feeding port 12, at this time the pull rod 14 is kept pulled up, and the semi-circular plate 17 is fixed by the lower conical part 15, so that the semi-circular plate 17 is just horizontally assembled into a circular spacer plate. 16. The grain is carried by the circular separator plate 16, and the plug 13 just closes the opening at the bottom of the hopper 11. After the feeding is completed, push and pull the rod 14 down to make the plug 13 descend, opening the opening at the bottom of the hopper 11, and then the higher conical part 15 on the rod 14 pushes the straight edge of the semicircular plate to rotate downward, and the circular separator plate After the middle part of the 16 is opened, the material is discharged. The plug 13 is made of two conical joints, and the phenomenon of material accumulation on the plug 13 will not occur. When all the grains are put into the centrifuge cylinder 20 from the hopper 11, the pull rod 14 is pulled up again, so that the plug 13 closes the opening at the bottom of the hopper 11, and the lower conical part 15 fixes the semi-circular plate 17, so that the semi-circular plate 17 is assembled horizontally. The circular separator plate 16 can then be fed through the feeding port 12 again, without waiting for the completion of the centrifugal removal of impurities. After the grain enters the centrifugal cylinder 20, the centrifugal motor 21 is started, and air is supplied to the centrifuge through the ventilation holes 22 at the bottom of the centrifugal cylinder 20. The air can be supplied by a fan or other means. The fan blows upward along the cylinder wall of the centrifugal cylinder 20. Wind, a large number of grain particles and stone particles are distributed on the wall of the cylinder. Because the grain particles are lightly blown to the upper end by the blower, they are guided by the bottom cone surface of the hopper 11 to diffuse outward to the windless area and then fall naturally to the feeding plate 23. , and then slide it into the discharge pipe 26 from the receiving plate 23 . After the grain separation is completed, the discharge valve 27 is opened, the grain is sent into the drying cylinder 31, the drying motor 32 and the blower 34 are started, and the wind blown into the hot air duct 33 by the blower 34 is heated by the heating device 35 and sent into the drying box 30. The grains in the drying cylinder 31 are heated, dehydrated and dried, and at the same time, the drying cylinder 31 is rotated under the driving of the drying motor 32 to produce centrifugal action, which can also remove part of the moisture in the grains.

In one embodiment, the heating device 35 is a heating wire.

The electric heating wire is selected as the heating device 35, which has a simple structure, is economical and practical, and is easy to maintain and maintain.

In one embodiment, the top of the drying box 30 is provided with an overflow valve 36 .

When the air pressure in the drying box 30 is too large, the pressure relief valve 36 can be used to relieve the pressure.

In one embodiment, a box door 37 is provided on one side of the drying box 30 , the bottom plate of the drying box 30 is a drawer board that can be taken and placed from the box door 37 , and the drying box 30 and its box door 37 are The bottoms of the two adjacent side walls are provided with sliding plates 38 for supporting the drawer and allowing the drawer to slide.

The drawer board slidably connected with the sliding plate 38 is taken and placed through the box door 37, so that the dried grain can be collected conveniently.

In one embodiment, the outer edge of the top opening of the centrifugal cylinder 20 is provided with a downwardly inclined annular feed plate 24 , and the top of the feed plate 23 is provided with an annular isolation plate coaxially arranged with the centrifugal cylinder 20 . 25. The top of the annular spacer plate 25 has the same height, the outer diameter of the annular spacer plate 25 is smaller than the outer diameter of the annular feed plate 24, and the height of the annular spacer plate 25 is higher than the lowest point of the annular spacer plate 25.

In order to keep the gap between the feeding plate 23 and the centrifugal cylinder 20 and prevent material leakage, and in order to make the mixing plate and the centrifugal cylinder 20 rotate relative to each other, although a bearing can be provided between the feeding plate 23 and the centrifugal cylinder 20, However, adding bearings will increase the failure probability of the device, and increase the maintenance and maintenance costs. Therefore, in the present invention, a downwardly inclined annular feeding plate 24 is arranged on the periphery of the top opening of the centrifuge barrel 20. After the grain is blown up in the centrifuge barrel 20, the conical surface at the bottom of the hopper 11 is first guided away from the positive direction of the centrifuge barrel 20. After the upper part is released from the blower of the fan, the grain naturally falls after the blower is removed, and the grain that may fall into the gap between the feeder plate 23 and the centrifugal cylinder 20 is guided by the annular guide plate 24 to the inner side of the annular partition plate 25 and the dust removal and drying box 30 On the feeding plate 23 between the walls, grain omission is avoided.

In one embodiment, as shown in FIG. 2 , the top end of the pull rod 14 is provided with an annular limit plate 40 coaxial with the pull rod 14 , and the top of the hopper 11 is fixedly provided with a limiter sleeved outside the pull rod 14 . Position sleeve 42, the side wall of the limit sleeve 42 has a limit groove 43 along its axis, and the bottom of the annular limit plate 40 is provided with a block 41 that cooperates with the limit groove 43, the block 41 When located on the top surface of the limiting sleeve 42, the plug 13 just closes the bottom opening of the hopper 11; the part of the pull rod 14 located in the hopper 11 is coaxially provided with an annular spring bottom plate 44, and the spring bottom plate 44 is high. A return spring 45 is provided between the spring bottom plate 44 and the inner side of the top wall of the hopper 11 on the higher conical portion 15 of the tie rod 14 .

In order to make the tie rod 14 need no personnel to maintain and operate, a corresponding limit mechanism is designed. When the plug 13 needs to close the opening at the bottom of the hopper 11, pull up the pull rod 14 and rotate it so that the block 41 is located on the top surface of the limit sleeve 42 (not aligned with the limit groove 43), and the plug 13 is closed at this time. The opening at the bottom of the hopper 11, and the lower conical part 15 supports the semicircular plate 17; when the plug 13 needs to open the opening at the bottom of the hopper 11, rotate the pull rod 14 to make the block 41 align with the limit groove 43 and enter the limit In the groove 43, the height of the pull-down rod 14 is lowered by the elastic force of the return spring 45, the plug 13 opens the opening at the bottom of the hopper 11, and the higher conical part 15 can push the semicircular plate 17 to turn over, because the limit groove 43 of the limit sleeve 42 Due to the limitation, the height of the pull rod 14 is limited, and the higher conical part 15 will not move to the bottom of the semicircular plate 17 .

The above-mentioned embodiments only represent specific embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims (6)

1. A grain storage dehydration device is characterized by comprising a dust removal feeding box and a drying box, wherein the top of the dust removal feeding box is provided with an opening, the opening of the dust removal feeding box is provided with a hopper, the hopper is funnel-shaped, the top of the hopper is closed, a feed opening is eccentrically arranged on the top wall of the hopper, a plug is arranged at the bottom opening of the hopper, the plug consists of two cones with mutually laminated bottom surfaces, the maximum diameter of the plug is just matched with the bottom opening of the dust removal feeding box, the top end of the plug is provided with an upwardly extending pull rod, the top end of the pull rod extends to the outer side of the top wall of the hopper, a horizontally arranged circular material partition plate is arranged in the hopper, the middle part of the circular material partition plate is provided with a through hole for the pull rod to pass through, the circumferential side of the circular material partition plate is attached to the side wall of the hopper, and the circular, the middle part of the semicircular plate is fixedly connected with a rotating shaft which is rotationally connected with the side wall of the hopper, the rotating shaft is parallel to the straight edge of the semicircular plate, the part of the pull rod, which is positioned in the hopper, is coaxially provided with two conical parts, and the two conical parts are respectively positioned above and below the circular material partition plate; when the bottom opening of the hopper is sealed by the plug, the conical part positioned below the circular material partition plate is just in contact with the bottom surface of the circular material partition plate; the bottom in the dedusting feeding box is provided with a centrifugal cylinder which is opposite to an opening at the bottom of the hopper, the bottom of the dedusting feeding box is provided with a centrifugal motor which drives the centrifugal cylinder to rotate, a plurality of ventilation holes are uniformly distributed on the periphery of the bottom wall of the centrifugal cylinder, an annular material receiving plate is arranged between the outer side wall of the centrifugal cylinder and the inner side wall of the dedusting feeding box, the material receiving plate is arranged in an inclined manner, the side wall of the dedusting feeding box is provided with a material discharging pipe with a feeding hole communicated with the lowest part of the material receiving plate, the material discharging pipe is arranged in an inclined manner, the feeding hole of the material discharging pipe is higher than a discharging hole, the discharging hole of the material discharging; a drying cylinder is arranged in the drying box opposite to the discharge hole of the discharge pipe, and a drying motor for driving the drying cylinder to rotate is arranged at the top of a bottom plate of the drying box; the drying oven is characterized in that a hot air pipe is arranged at the bottom of the side wall of the drying oven and connected with an air blower, and a heating device is arranged in the hot air pipe.

2. The grain storage dewatering device of claim 1, wherein the heating device is an electric heating wire.

3. The grain storage dewatering device of claim 2, wherein an overflow valve is disposed at the top of the drying box.

4. The grain storage and dehydration device of claim 3, wherein a box door is provided at one side of the drying box, the bottom plate of the drying box is a drawer plate which can be taken from the box door, and sliding plates for supporting and sliding the drawer are provided at the bottom of the two side walls of the drying box adjacent to the box door.

5. The grain storage and dehydration device of claim 1, wherein the outer edge of the top opening of the centrifugal cylinder is provided with an annular guide plate which is inclined downwards, the top of the guide plate is provided with an annular isolation plate which is coaxially arranged with the centrifugal cylinder, the top of the annular isolation plate is uniform in height, the outer diameter of the annular isolation plate is smaller than that of the annular guide plate, and the height of the annular isolation plate is higher than the lowest position of the annular isolation plate.

6. The grain storage and dehydration device of claim 5, wherein the top end of the pull rod is provided with an annular limiting plate coaxial with the pull rod, the top of the hopper is fixedly provided with a limiting sleeve sleeved outside the pull rod, the side wall of the limiting sleeve is provided with a limiting groove along the axis thereof, the bottom of the annular limiting plate is provided with a fixture block matched with the limiting groove, and when the fixture block is positioned on the top surface of the limiting sleeve, the bottom opening of the hopper is just sealed by the plug; the part of the pull rod, which is positioned in the hopper, is coaxially provided with an annular spring bottom plate, the spring bottom plate is higher than a higher conical part on the pull rod, and a return spring is arranged between the spring bottom plate and the inner side of the top wall of the hopper.

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