CN108669595B

CN108669595B - High efficiency sweet potato drying device

Info

Publication number: CN108669595B
Application number: CN201810289444.XA
Authority: CN
Inventors: 崔悦
Original assignee: Jinhua Sineike Technology Co ltd
Current assignee: Jinhua Sineike Technology Co ltd
Priority date: 2018-04-03
Filing date: 2018-04-03
Publication date: 2021-01-19
Anticipated expiration: 2038-04-03
Also published as: CN108669595A

Abstract

The invention provides a fast and efficient sweet potato drying device which comprises a drying box, wherein the bottom of the drying box is fixedly arranged on a base through a support, the top of the drying box is provided with a case, the upper part of the case is provided with a motor for driving a stirring shaft, the stirring shaft extends into the drying box, the joint of the stirring shaft and the drying box is movably connected, the left side of the case is provided with a feed inlet, the right side of the case is provided with a hot air blower, the hot air blower is connected with a blowing nozzle positioned in the drying box through a pipeline, the bottom of the side wall of the drying box is provided with a discharge outlet, the middle part in the drying box is provided with a disc-shaped screen, a filtering channel is correspondingly arranged below each mesh on the screen, and the inner wall of the filtering channel is provided with a prism.

Description

High efficiency sweet potato drying device

Technical Field

The invention belongs to the field of agricultural machinery, and particularly relates to a fast and efficient sweet potato drying device.

Background

Sweet potatoes, white potatoes, sweet potatoes and sweet potatoes are root tubers of perennial grass vine sweet potatoes of the family Convolvulaceae, originally produced tropical and subtropical zones, planted in south and north of China, and are important economic crops. Modern nutriology and medical research think that sweet potato has strong health care function, is rich in protein, fat, polysaccharide, phosphorus, calcium, potassium, carotene, VA, VC, VE, VB1, VB2 and 8 amino acids, is a natural nourishing food with rich nutrition, and plays an important role in enhancing the disease resistance of human bodies, improving the immune function, delaying the decline of intelligence and aging of organisms.

Sweet potato need dry it with man-hour, general stoving mode is natural sun-drying or drying-machine drying, current sweet potato drying-machine, it is dry to adopt hot-blast stoving and electric heating layer stoving to the sweet potato mostly, this kind of stoving mode exists that power consumption is big, the thermal efficiency is low, the stoving volume is few, shortcoming such as the stoving time is long, can not carry out continuous automatic stoving operation, need manual operation, and the waste heat of stoving in-process can not collect the utilization, the energy has been wasted.

Disclosure of Invention

The invention aims to provide a fast and efficient sweet potato drying device which is simple in structure, fast and efficient, saves a large amount of labor force, can collect and recycle waste heat in the drying process, saves energy, is uniform in drying and high in drying efficiency, and can well slow down the loss of nutrient substances in sweet potatoes.

The technical scheme adopted by the invention for realizing the purpose is as follows: a fast and efficient sweet potato drying device comprises a drying box, the bottom of the drying box is fixedly arranged on a base through a support, the top of the drying box is provided with a machine box, the upper part of the machine box is provided with a motor for driving a stirring shaft, the stirring shaft extends into the drying box, the joint of the stirring shaft and the drying box is movably connected, the left side of the machine box is provided with a feed inlet, the right side of the machine box is provided with a hot air fan, the hot air fan is connected with a blowing nozzle positioned in the drying box through a pipeline, the bottom of the side wall of the drying box is provided with a discharge port, the middle part of the drying box is provided with a disc-shaped screen, a filtering channel is correspondingly arranged below each mesh on the screen, the inner wall of each filtering channel is provided with a prism, the hot air fan blows air into the drying box through the blowing nozzle, the sweet potatoes entering the drying box are subjected to preliminary moisture removal, when entering, and the mesh diameter of screen cloth is greater than the diameter of sweet potato, and sweet potato can get into the filtration passageway below the screen cloth from the mesh step by step, and the triangular prism contact and the extrusion on the filtration passageway of sweet potato, but the triangular prism preferred is absorbent sponge, can effectually get rid of stains such as sweet potato surface soil, has practiced thrift a large amount of labours for follow-up work.

Preferably, be equipped with agitating unit on the (mixing) shaft, agitating unit includes the rabbling arm, be equipped with the stirring body of crisscross setting on the rabbling arm, agitating unit is located the screen cloth top, the motor drives the epaxial agitating unit of stirring and rotates, accelerate getting rid of moisture in the sweet potato, the crisscross setting of stirring body, the extension space of stirring body in drying box all directions has been increased, increased the contact surface with the sweet potato, the preliminary dewatering efficiency of sweet potato has effectively been improved, and the stirring body is preferably cylindrical, at the stirring in-process, the periphery and the sweet potato contact of the stirring body, the collision of sweet potato with edges and corners has been reduced, make the sweet potato keep integrality, the percentage of damage has been reduced.

Preferably, stoving incasement portion is equipped with the ventilative fill that leaks hopper-shaped, and the macrostoma end that ventilative was fought and the inner wall fixed connection of stoving case, the microcephaly end that ventilative was fought is connected with the outside of screen cloth, and ventilative fill has slowed down the speed of sweet potato whereabouts, carries out preliminary dehydration for the abundant time of agitating unit, has strengthened drying efficiency, and ventilative fill still can make the interior wind of stoving incasement slowly circulate, and the moisture content on gentle even stoving sweet potato top layer makes the stoving more even.

Preferably, the screen cloth below is equipped with stirring vane, and stirring vane connects in the bottom of (mixing) shaft, and stirring vane bottom equipartition has the crisscross elastic strip that sets up of length, and stirring vane further makes the sweet potato that falls into stoving bottom of the case portion do rolling motion, makes every face of sweet potato all receive hot-blast blowing, increases drying efficiency, and the elastic strip is along with stirring vane's rotatory light sweet potato epidermis, effectively removes moisture content and spot in the sweet potato epidermis fold.

Preferably, the bottom of the drying box is provided with a moving block, the moving block is movably connected with the drying box and one end of the moving block, which is positioned outside the discharge port, is provided with a handrail, the bottom of the moving block is provided with rollers, when sweet potatoes are dried, the handrail can be manually pulled, the moving block is pulled out of the drying box, the sweet potatoes can be taken away to finish drying work, and the moving block can also be set to be in an electric sliding-out drying box, so that time and labor are saved.

Preferably, the moving block is provided with an elastic device, the elastic device comprises an elastic seat, an elastic arc strip I is arranged inside the elastic seat, an elastic arc strip II corresponding to the elastic arc strip I is arranged above the elastic seat, a spring is arranged between the elastic arc strip I and the elastic arc strip II, the spring is movably connected with the elastic seat, the sweet potato falls onto the elastic arc strip I at the bottom of the drying box, the rotating blades simultaneously stir the sweet potato to enable the sweet potato to downwards extrude the elastic arc strip I, the spring is stretched under downward pressure, the elastic arc strip II impacts the bottom of the elastic seat and then bounces upwards, the sweet potato rolls and vibrates under the action of the elastic device and the rotating blades, polar molecules in sweet potato tissues such as (water molecules, proteins and the like), ion friction and vibration generate heat, so that the sweet potato tissue base is loosened, the heating is uniform, the heating efficiency is high, and starch, vc, reducing sugar and protein in the sweet potato are well slowed down, Loss of nutrients such as anthocyanin.

Preferably, the height of the discharge port is higher than that of the elastic device, the elastic device can be drawn out of the drying box together, due to the fact that a certain amount of stains remain on the sweet potatoes, after the sweet potatoes are dried, the stains can fall on the elastic device, and the elastic device can be cleaned after being drawn out of the drying box.

Preferably, be equipped with the gas outlet on the lateral wall of stoving case, the gas outlet passes through tuber pipe and air heater and the pipe connection between the shower nozzle of blowing, is equipped with the air exhauster on the tuber pipe, and the hot-blast shower nozzle department of blowing of steam suction top in the stoving incasement is blown in the stoving incasement together to the air exhauster, mixes the hot-blast that the air heater blew off, collects cyclic utilization, has practiced thrift the energy to the waste heat of stoving in-process.

Compared with the prior art, the invention has the beneficial effects that: 1) the stirring bodies which are arranged in a staggered mode are arranged and cylindrical, so that extension spaces of the stirring bodies in all directions in the drying box are enlarged, contact surfaces with the sweet potatoes are increased, the primary dewatering efficiency of the sweet potatoes is effectively improved, the circumferential surface of the stirring bodies is in contact with the sweet potatoes, collision between the sweet potatoes and edges and corners is reduced, the sweet potatoes are kept complete, and the crushing rate is reduced; 2) the sweet potato is rolled and vibrated under the action of the elastic device and the rotating blades, polar molecules (such as water molecules, protein and the like) in sweet potato tissues are subjected to ion friction and vibration to generate heat, so that the sweet potato tissue base is loosened, the sweet potato tissue base is uniformly heated and has high heating efficiency, and the loss of nutrient substances such as starch, vc, reducing sugar, protein, anthocyanin and the like in the sweet potato is well slowed down; 3) the exhaust fan sucks the hot air in the drying box into the blowing nozzle above, and the hot air blown out by the mixed air heater is blown into the drying box 1 together, so that the waste heat in the drying process is collected and recycled, and the energy is saved.

The invention adopts the technical scheme to provide the sweet potato drying device which is fast and efficient, makes up the defects of the prior art, and has reasonable design and convenient operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of a screen panel according to the present invention;

FIG. 3 is a schematic view of a filtration channel of the present invention;

FIG. 4 is a schematic view of a stirring blade of the present invention;

fig. 5 is a schematic structural view of the elastic device of the present invention.

Description of reference numerals: 1. a drying box; 2. a feed inlet; 3. a chassis; 4. a motor; 5. a stirring shaft; 6. a stirring arm; 7. a stirring body; 8. screening a screen; 9. a ventilation hopper; 10. a filtration channel; 10a triangular prism; 11. a discharge port; 12. a stirring blade; 121. an elastic strip; 13. an elastic device; 131. an elastic seat; 132. an elastic arc strip I; 133. an elastic arc strip II; 134. a spring; 14. moving the plate; 140. a roller; 141. a handrail; 15. an air outlet; 16. an air duct; 17. an exhaust fan; 18. a hot air blower; 19. a blowing nozzle; 20. a support; 21. a base.

Detailed Description

The invention is described in further detail below with reference to examples and figures:

example 1:

as shown in figure 1-2, a fast and efficient sweet potato drying device comprises a drying box 1, the bottom of the drying box 1 is fixedly arranged on a base 21 through a support 20, the top of the drying box 1 is provided with a machine case 3, the upper part of the machine case 3 is provided with a motor 4 for driving a stirring shaft 5, the stirring shaft 5 extends into the drying box 1, the connection part is movably connected, the left side of the machine case 3 is provided with a feeding hole 2, the right side of the machine case is provided with a hot air blower 18, the hot air blower 18 is connected with a blowing nozzle 19 positioned in the drying box 1 through a pipeline, the bottom of the side wall of the drying box 1 is provided with a discharging hole 11, the middle part in the drying box 1 is provided with a disc-shaped screen 8, a filtering channel 10 is correspondingly arranged below each mesh on the screen 8, the inner wall of the filtering channel 10 is provided with a prism 10a, the hot air blower, when the sweet potato enters the device, the sweet potato can be stacked on the screen 8, the sweet potato can be prevented from directly falling into the lower part of the drying box 1, the dewatering time of the sweet potato is further prolonged, the diameter of the mesh of the screen 8 is larger than that of the sweet potato, the sweet potato can gradually enter the filtering channel 10 below the screen 8 from the mesh, the sweet potato is contacted and extruded with the triangular prisms 10a on the filtering channel 10, the triangular prisms 10a are preferably water-absorbent sponges, stains such as soil on the surface of the sweet potato can be effectively removed, and a large amount of labor force is saved for follow-up work.

Example 2:

as shown in fig. 1 to 3, the optimization scheme of this embodiment based on embodiment 1 is as follows: the stirring shaft 5 is provided with a stirring device, the stirring device comprises a stirring arm 6, the stirring arm 6 is provided with a stirring body 7 which is arranged in a staggered manner, the stirring device is positioned above the screen 8, the motor 4 drives the stirring device on the stirring shaft 5 to rotate, the removal of moisture in the sweet potatoes is accelerated, the stirring body 7 is arranged in a staggered manner, the extension space of the stirring body 7 in each direction in the drying box 1 is increased, the contact surface with the sweet potatoes is increased, the primary dehydration efficiency of the sweet potatoes is effectively improved, the stirring body 7 is preferably cylindrical, in the stirring process, the circumferential surface of the stirring body is contacted with the sweet potatoes, the collision between the sweet potatoes and edges and corners is reduced, the sweet potatoes are kept in integrity, the crushing rate is reduced, the drying box 1 is internally provided with a funnel-shaped air-permeable hopper 9, the large opening end of the air-permeable hopper 9 is fixedly connected with the inner wall of the drying box 1, the small, ventilative fill 9 has slowed down the speed of sweet potato whereabouts, carries out preliminary dehydration for the abundant time of agitating unit, has strengthened drying efficiency, and ventilative fill 9 still can make the wind of stoving case 1 slowly circulate, and the moisture content on gentle even stoving sweet potato top layer makes the stoving more even.

Example 3:

as shown in fig. 1 to 5, the optimization scheme of this embodiment based on embodiment 1 is as follows: stirring blades 12 are arranged below the screen 8, the stirring blades 12 are connected to the bottom end of the stirring shaft 5, elastic strips 121 which are arranged in a staggered length mode are uniformly distributed at the bottom of the stirring blades 12, the stirring blades 12 further enable sweet potatoes falling into the bottom of the drying box 1 to do rolling motion, each surface of each sweet potato is blown by hot air, the drying efficiency is improved, the elastic strips 121 light the sweet potato skins along with the rotation of the stirring blades 12, moisture and stains in folds of the sweet potato skins are effectively removed, a moving block 14 is arranged at the bottom of the drying box 1, the moving block 14 is movably connected with the drying box 1, one end, located outside a discharge port 11, of the drying box is provided with a handrail 141, rollers 140 are arranged at the bottom of the moving block 14, the handrail 141 can be manually pulled when the sweet potatoes are dried, the moving block 14 is drawn out of the drying box 1, the sweet potatoes can be taken away, the drying work, the moving block 14 is provided with an elastic device 13, the elastic device 13 comprises an elastic base 131, an elastic arc bar I132 is arranged inside the elastic base 131, an elastic arc bar II 133 corresponding to the elastic arc bar I is arranged above the elastic base 131, a spring 134 is arranged between the elastic arc bar I132 and the elastic arc bar II 133, the spring 134 is movably connected with the elastic base 131, the sweet potatoes fall onto the elastic arc bar I132 at the bottom of the drying box 1, the rotating blades 12 simultaneously stir the sweet potatoes to enable the sweet potatoes to downwards extrude the elastic arc bar I132, the spring 134 is stretched by downward pressure, the elastic arc bar II 133 impacts the bottom of the elastic base 131 and then bounces upwards, the sweet potatoes roll and vibrate under the action of the elastic device 13 and the rotating blades 12, polar molecules (such as water molecules, proteins and the like) in sweet potato tissues, the ions rub and vibrate to generate heat, so that the sweet potato tissue base is loosened, the heating is uniform and high in heating efficiency, starch, protein and the sweet potatoes are well slowed down, vc, reducing sugar, protein, anthocyanin and other nutrient substances, wherein the height of the discharge hole 11 is higher than that of the elastic device 13, the elastic device 13 can be drawn out of the drying box 1 together by the arrangement, due to the fact that some stains can be left on the sweet potatoes, after the sweet potatoes are dried, the stains can fall on the elastic device 13, the elastic device 13 can be cleaned after being drawn out of the drying box 1, an air outlet 15 is formed in the side wall of the drying box 1, the air outlet 15 is connected with a pipeline between the hot air blower 18 and the blowing nozzle 19 through an air pipe 16, an exhaust fan 17 is arranged on the air pipe 16, hot air in the drying box 1 is drawn into the blowing nozzle 19 above the exhaust fan 18 by the exhaust fan 18, hot air blown out by the mixed hot air blower 18 is blown into the drying box 1 together, the residual heat in the drying process is collected and recycled, and.

In the invention, the elastic arc strip I132 is prepared from the following raw materials in parts by weight: 3.5 parts of methyl phenyl vinyl silicone rubber, 8 parts of chloroprene rubber, 1.2 parts of titanate coupling agent, 0.3 part of N-hydroxyethyl aniline, 10 parts of polyamide fiber, 1.4 parts of dicumyl peroxide, 1.1 parts of N, N' -m-phenylene maleimide, 2.4 parts of magnesium oxide, 33 parts of magnesium carbonate, 35 parts of hard argil, 11 parts of furnace carbon black, 7 parts of magnesium hydroxide, 2.5 parts of diphenyl phosphate, 5 parts of melamine cyanuric acid, 6.5 parts of trioctyl trimellitate, 3 parts of anti-aging agent and 93 parts of modified natural rubber. The preparation method of the modified natural rubber comprises the following steps: dissolving 0.5 part of propylene glycol alginate in 55 parts of tris (hydroxymethyl) aminomethane-hydrochloric acid buffer solution, fully stirring to obtain a solution A, dissolving 1.4 parts of peanut protein in 62 parts of ammonia water, uniformly stirring to obtain a solution B, mixing the solution A and the solution B, stirring at a stirring speed of 366rpm for 124min, adding 100 parts of natural rubber, and stirring for 35min to obtain modified natural rubber, wherein the modified natural rubber is adopted in the formula, the propylene glycol alginate and the peanut protein are subjected to a cross-linking reaction under an alkaline condition to form a covalent complex, the covalent complex can form a multi-level core-shell structure on the surface of a rubber molecule, and the multi-level core-shell structure is mutually linked through a hydrogen bond effect, so that the stability of the rubber molecule is improved, the tensile property, the elasticity and the blocking compactness of the elastic arc strip I132 are enhanced, and N-hydroxyethyl aniline is added to be matched with the main material of the rubber for, the main materials are aggregated in the cross-linking process to form a complex shape, so that the cross-linking degree of the main materials is greatly enhanced, and the tensile property of the elastic arc strip I132 is greatly improved.

Example 4:

the fast and efficient sweet potato drying device provided by the invention has the following practical use process: the hot air blower 18 is started, the motor 4 is started to drive the stirring device on the stirring shaft 5 and the stirring blade 12 to rotate, the sweet potatoes are put in from the feeding port 2, the sweet potatoes fall into the drying box 1, the stirring arm 6 rotates, the stirring body 7 on the stirring arm 6 is in contact with the sweet potatoes, the effect of primary dewatering is achieved, the sweet potatoes can be stacked on the screen 8, the sweet potatoes can be prevented from directly falling into the lower part of the drying box 1, the dewatering time of the sweet potatoes is further increased, the diameter of the meshes of the screen 8 is larger than that of the sweet potatoes, the sweet potatoes can gradually fall into the filtering channel 10 below the screen 8 from the meshes, the sweet potatoes are in contact with and extruded by the triangular prisms 10a on the filtering channel 10, soil such as the surface of the sweet potatoes can be effectively removed, the sweet potatoes fall into the drying box 1 from the filtering channel 10, the sweet potatoes fall onto the elastic arc strips one 132 at the bottom of the drying box 1, the Chinese chestnut extrudes the first elastic arc strip 132 downwards, the spring 134 is stretched by the downward pressure, the second elastic arc strip 133 impacts the bottom of the elastic seat 131 and then bounces upwards, the Chinese chestnut rolls and shakes under the action of the elastic device 13 and the rotating blades 12, polar molecules in sweet potato tissues such as water molecules, protein and the like rub and vibrate to generate heat, the sweet potato tissue base is loosened, the heating is uniform, the heating efficiency is high, the loss of nutrients such as starch, vc, reducing sugar, protein, anthocyanin and the like in the sweet potato is well reduced, an air outlet 15 on the side wall of the drying box 1 is connected with a pipeline between a hot air blower 18 and a blowing nozzle 19 through an air pipe 16, an exhaust fan 17 is arranged on the air pipe 16, the exhaust fan 17 pumps hot air in the drying box 1 into the blowing nozzle 19 above, hot air is blown into the drying box 1 through the hot air blower 18, and residual heat in the drying process is collected and recycled, energy is saved, the handrail 141 is pulled after the sweet potatoes are dried, the moving block 14 is pulled out of the drying box 1, and the sweet potatoes are taken away to finish the drying work.

Conventional techniques in the above-described embodiments are known to those skilled in the art and will not be described in detail herein.

It should be understood that the above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the description of the invention, and equivalents fall within the scope of the invention as defined by the appended claims.

Claims

1. High efficiency's sweet potato drying device, including stoving case (1), stoving case (1) bottom is passed through support (20) fixed the setting on base (21), stoving case (1) top is equipped with quick-witted case (3), quick-witted case (3) upper portion is equipped with motor (4) of drive (mixing) shaft (5), (mixing) shaft (5) stretch into stoving case (1) inside and junction be swing joint, quick-witted case (3) left side is equipped with feed inlet (2), quick-witted case right side is equipped with air heater (18), air heater (18) are connected through pipeline and spout (19) of blowing that are located stoving case (1) inside, stoving case (1) lateral wall bottom is equipped with discharge gate (11), its characterized in that: a disc-shaped screen (8) is arranged in the middle of the drying box (1), a filtering channel (10) is correspondingly arranged below each mesh on the screen (8), and a prism (10 a) is arranged on the inner wall of the filtering channel (10); stirring blades (12) are arranged below the screen (8), the stirring blades (12) are connected to the bottom end of the stirring shaft (5), and elastic strips (121) which are staggered in length are uniformly distributed at the bottoms of the stirring blades (12); a moving block (14) is arranged at the bottom of the drying box (1), the moving block (14) is movably connected with the drying box (1), a handrail (141) is arranged at one end of the moving block (14) positioned outside the discharge hole (11), and a roller (140) is arranged at the bottom of the moving block (14); an elastic device (13) is arranged on the moving block (14), the elastic device (13) comprises an elastic base (131), an elastic arc strip I (132) is arranged inside the elastic base (131), an elastic arc strip II (133) corresponding to the elastic arc strip I (132) is arranged above the elastic base (131), a spring (134) is arranged between the elastic arc strip I (132) and the elastic arc strip II (133), and the spring (134) is movably connected with the elastic base (131); the height of the discharge hole (11) is higher than that of the elastic device (13).

2. The fast and efficient sweet potato drying apparatus of claim 1, wherein: be equipped with agitating unit on (mixing) shaft (5), agitating unit includes mixing arm (6), be equipped with crisscross stirring body (7) that set up on mixing arm (6), agitating unit is located screen cloth (8) top.

3. The fast and efficient sweet potato drying apparatus of claim 1, wherein: stoving case (1) inside is equipped with ventilative fill (9) that leak hopper-shaped, the macrostoma end of ventilative fill (9) and the inner wall fixed connection of stoving case (1), the osculum end of ventilative fill (9) is connected with the outside of screen cloth (8).

4. The fast and efficient sweet potato drying apparatus of claim 1, wherein: be equipped with gas outlet (15) on the lateral wall of stoving case (1), gas outlet (15) are through tuber pipe (16) and air heater (18) and the pipe connection between blowing shower nozzle (19), be equipped with air exhauster (17) on tuber pipe (16).