CN110986520B

CN110986520B - Drying apparatus

Info

Publication number: CN110986520B
Application number: CN201911082902.3A
Authority: CN
Inventors: 李官强; 李刚
Original assignee: Guizhou Province Shiqian County Fodingshan Wild Camellia Oil Industry Co ltd
Current assignee: Guizhou Province Shiqian County Fodingshan Wild Camellia Oil Industry Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2021-05-25
Anticipated expiration: 2039-11-07
Also published as: CN110986520A

Abstract

An embodiment of the present invention provides a drying apparatus, including: a support structure; the drying box is rotatably arranged on the supporting structure, an object placing space is arranged in the drying box, and a plurality of cloth plates arranged along the circumferential direction are arranged on the inner wall of the drying box; the air guide shaft comprises a first shaft part and a second shaft part which are connected with each other, the first shaft part is provided with an air heater, the second shaft part is rotatably installed on the drying box, the first shaft part and the second shaft part are respectively provided with a first air channel and a second air channel, the first air channel is communicated with the second air channel, and the second air channel is communicated with the object placing space through a first air opening formed in the second shaft part. According to the drying equipment provided by the embodiment of the invention, the drying box can be rotated back and forth, so that the materials in the storage space are uniformly distributed on the distribution plates, the circumferential inner wall surface of the drying box is fully utilized, the contact area between the materials and hot air is enlarged, the convection heat exchange effect is enhanced, and the drying efficiency is further improved.

Description

Drying apparatus

Technical Field

The invention relates to the field of food processing machinery, in particular to drying equipment.

Background

Tea oil is commonly known as camellia seed oil and is pure natural high-grade edible plant oil extracted from common mature seeds (camellia fruits) of camellia plants in the camellia family. The camellia oleifera fruit generally needs to be dried in order to further dehull to obtain the tea seeds. The common method for drying the oil tea fruits is natural airing, but is greatly influenced by weather and has low efficiency.

For avoiding receiving weather factor influence, there is artifical drying equipment among the prior art, mainly adopts hot-blast to carry out the drying to the tea-oil camellia fruit, takes away the moisture in the tea-oil camellia fruit when heating, improves drying efficiency. Current drying equipment is for making the heating even, can use the stirring structure usually, but among the hot air drying process, if only stir accumulational tea-oil camellia fruit all the time, and the heat transfer surface that can be used for heat convection is less in fact, and drying efficiency is lower.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide drying equipment, which is used for solving the problems of small heat exchange surface and low drying efficiency of camellia oleifera fruits in the existing drying equipment.

According to the embodiment of the invention, the drying equipment comprises:

a support structure;

the drying box is rotatably arranged on the supporting structure, an object placing space is formed in the drying box, and a plurality of circumferentially arranged material distribution plates are arranged on the inner wall of the drying box;

the air guide shaft comprises a first shaft part and a second shaft part which are connected with each other, the first shaft part is provided with an air heater, the second shaft part is rotatably installed on the drying box, the first shaft part and the second shaft part are respectively provided with a first air channel and a second air channel, the first air channel is communicated with the second air channel, and the second air channel is communicated with the object placing space through a first air port in the second shaft part.

Optionally, the drying box comprises a first end and a second end which are arranged oppositely in the radial direction, and the distributing plate is mounted on the inner wall of the second end; the first end portion is provided with a feed inlet, and a cover body is arranged on the feed inlet in an openable and closable manner.

Optionally, a material guide plate is arranged on the second end part; and the two axial ends of the drying box face the extension direction of the feeding hole, and the material guide plate inclines towards the feeding hole.

Optionally, a guide wheel is arranged on the support structure, and the guide wheel is externally tangent to the drying box; at least one of the guide wheels is connected with a first driving structure.

Optionally, the second shaft portion is further fixedly connected with a stirring blade.

Optionally, the first shaft portion and the second shaft portion are connected by a rotary sealing structure, and the second shaft portion is connected with a second driving structure.

Optionally, the air guide shaft further includes a third shaft portion, the third shaft portion is fixedly connected with the second shaft portion, and the second shaft portion is connected with the second driving structure through the third shaft portion;

and a third air channel, a second air opening and a third air opening are arranged in the third shaft part, the third air channel is communicated with the second air opening and the storage space, and the third air channel is communicated with the third air opening and the external space of the drying box.

Optionally, the second drive structure is connected to the third shaft portion by a crank and rocker mechanism; the crank of the crank and rocker mechanism is fixedly connected with the output shaft of the second driving structure, and the rocker of the crank and rocker mechanism is fixedly connected with the third shaft part.

Optionally, a dehumidifier is further disposed on the first shaft portion.

Optionally, the diameters of the first tuyere increase sequentially in a direction from the first shaft portion to the second shaft portion.

Compared with the prior art, the drying equipment provided by the embodiment of the invention can enable the materials in the storage space to be distributed on each material distribution plate more evenly by rotating the drying box back and forth, so that the circumferential inner wall surface of the drying box is fully utilized, the contact area between the materials and hot air is enlarged, the heat convection effect is enhanced, and the drying efficiency is further improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a drying apparatus according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a drying box of a drying apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another drying apparatus provided in an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a drying box of another drying apparatus provided in an embodiment of the present invention.

The figures show that: the drying device comprises a supporting structure 100, a guide wheel 110, a first driving structure 120, a drying box 200, a first end 201, a second end 202, a material distribution plate 210, a feeding hole 220, a cover body 230, a material guide plate 240, a wind guide shaft 300, a first shaft part 310, a hot air blower 311, a dehumidifier 312, a second shaft part 320, a first air opening 321, a stirring blade 322, a third shaft part 330, a second air opening 331, a third air opening 332, a second driving structure 333, a crank and rocker mechanism 334 and a rotary sealing structure 340.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, a drying apparatus provided in an embodiment of the present invention includes: a support structure 100; the drying box 200 is rotatably mounted on the supporting structure 100, an object placing space is formed inside the drying box 200, and a plurality of circumferentially arranged distributing plates 210 are arranged on the inner wall of the drying box 200; the air guide shaft 300 comprises a first shaft portion 310 and a second shaft portion 320 which are connected with each other, the first shaft portion 310 is provided with a hot air blower 311, the second shaft portion 320 is rotatably installed on the drying box 200, a first air channel and a second air channel are respectively arranged in the first shaft portion 310 and the second shaft portion 320, the first air channel is communicated with the second air channel, and the second air channel is communicated with the object placing space through a first air opening 321 arranged in the second shaft portion 320.

The support structure 100 may be placed directly on the ground or on a rack; when a rack structure is adopted, the rest of the components, such as the hot air blower 311 and the like, can also be arranged on the rack, so that the whole assembly and the carrying are facilitated. The hot air blower 311 is used to generate hot air and deliver the hot air to the storage space through the air channel of the air guide shaft 300, so as to dry the materials, such as oil tea fruits or other articles, in the storage space. Cloth plate 210 circumference arranges on the internal wall of stoving case 200, and the tea-oil camellia fruit can be spread on cloth plate 210, and the circumference of make full use of stoving case 200 is avoided, enlarges the heat convection area between tea-oil camellia fruit and the hot-blast. The distributing plate 210 preferably extends towards the central axis direction of the drying box 200, so that when the drying box 200 rotates within a certain angle range, the material can be ensured to stay on the distributing plate 210; of course, the extending direction of the distributing plate can be selected according to actual needs. The air guide shaft 300 and the drying box 200 are coaxially arranged, the first air opening 321 is communicated with the storage space, hot air can be blown out from the first air opening 321, and materials are heated and dried. For the air outlet, it may be located on the drying box 200, or on the air guiding shaft 300, which will be further described below.

In this embodiment, the accessible is the stoving case 200 of making a round trip to rotate for the material in putting the object space distributes on each cloth board 210 comparatively averagely, thereby make full use of stoving case 200's circumference internal face, enlarges the area of contact between material and the hot-blast, and the reinforcing convection heat transfer effect, and then improves drying efficiency. Meanwhile, as the air guide shaft 300 is rotatably connected with the drying box 200, when the drying box 200 rotates, the air guide shaft 300 can be kept not to rotate, thereby avoiding synchronous rotation of structures such as the hot air fan 311 and the like and improving the overall stability of the equipment.

It can be understood that the drying device provided by the embodiment can be used for drying not only the oil tea fruits, but also crops such as rapeseeds, soybeans and the like.

Optionally, the drying box 200 comprises a first end 201 and a second end 201 which are arranged oppositely in the radial direction, and the distributing plate 210 is mounted on the inner wall of the second end 201; the first end portion 201 is provided with a feeding hole 220, and a cover 230 is openably and closably installed on the feeding hole 220.

Referring to fig. 2, a first end 201 is an upper half of fig. 2, and a second end 202 is a lower half of fig. 2. When above-mentioned feed inlet 220 is located the top, can be used for pouring the material into in putting the object space, and when feed inlet 220 rotated the arrival below along with stoving case 200, then can be used for pouring the material from putting the object space. The cover 230 may be openably and closably mounted on the feeding hole 220 in a manner of hinge, fastener, snap, etc., and is not limited thereto.

In the embodiment, the distributing plate 210 is only arranged at the second end 201, on one hand, it is considered that when the material is spread, the material is difficult to be arranged on the whole or a large half circle of the inner wall surface of the drying box 200 at the same time; on the other hand, when feed inlet 220 is located the below and takes out the material from putting the object space, avoid cloth plate 210 to cause the hindrance to the motion of material, be convenient for the material to pour out from feed inlet 220.

Of course, alternatively, the discharge port and the feed port 220 may not be the same opening, for example, the discharge port may be located at the opposite end of the feed port 220 or at the axial end surface of the drying box 200.

Optionally, a material guiding plate 240 is disposed on the second end 201; in the extending direction of the drying box 200 toward the feeding port 220, the material guide plates 240 are inclined toward the feeding port 220.

As shown in fig. 1, the material guide plate 240 is arranged to facilitate the material to slide towards the material inlet 220 along both axial ends when the material is poured out from the material inlet 220; in the circumferential direction, the drying box 200 may guide the materials on both sides to the feeding opening 220 through the circular inner wall surface thereof.

Optionally, as shown in fig. 2, a guiding wheel 110 is disposed on the supporting structure 100, and the guiding wheel 110 is installed to be circumscribed with the drying box 200; a first drive structure 120 is coupled to at least one of the guide wheels 110.

In this embodiment, the guiding wheel 110 mainly supports the drying box 200, and the guiding wheel 110 connected to the first driving structure 120 drives the drying box 200 to rotate by friction. In some possible embodiments, more turning wheels 110 may be provided along the drying box 200 for fixing the radial position of the drying box.

Alternatively, the positions of the guide wheel 110 and the feed inlet 220 in the axial direction of the drying box 200 are staggered to avoid the motion interference. In addition, the first driving structure 120 may be a servo motor or the like, and the material in the storage space is uniformly distributed on the distribution plates 210 by driving the guiding wheel 110 and the drying box 200 to rotate forward and backward.

Optionally, an agitating blade 322 is further fixedly connected to the second shaft portion 320.

In this embodiment, as shown in fig. 3 and 4, the material is spread mainly by the stirring blade 322. Since the air guide shaft 300 is rotatably installed on the drying box 200, the material can be conveyed to each distributing plate 210 by driving the stirring blades 322 to rotate. The materials are spread out through the stirring blades 322, so that the rotation driving of the drying box 200 can be reduced, and the operation is more convenient.

Optionally, the first shaft portion 310 and the second shaft portion 320 are connected by a rotary sealing structure 340, and the second shaft portion 320 is connected with a second driving structure 333.

In this embodiment, in order to avoid the synchronous rotation of the hot air blower 311 and other structures along with the air guiding shaft 300, the first shaft portion 310 and the second shaft portion 320 are connected by the rotary sealing structure 340, so as to improve the operation stability of the drying apparatus.

Optionally, the air guiding shaft 300 further comprises a third shaft part 330, the third shaft part 330 is fixedly connected with the second shaft part 320, and the second shaft part 320 is connected with the second driving structure 333 through the third shaft part 330;

the third shaft part 330 is provided with a third air passage, a second air opening 331 and a third air opening 332, the third air passage is communicated with the second air opening 331 and the storage space, and the third air passage is communicated with the third air opening 332 and the external space of the drying box 200.

In this embodiment, the second gas passage is not directly communicated with the third gas passage, and the hot air flows along the following paths: first gas passage → second gas passage → first tuyere 321 → storage space → second tuyere 331 → third tuyere 332 → atmospheric environment. Through the structure, hot air can be effectively prevented from directly flowing to the atmospheric environment along the air guide shaft 300, and the utilization efficiency of heat is improved. Of course, alternatively, the air outlet communicating the storage space with the atmosphere may be located on the wall surface of the drying box 200.

Optionally, the second drive structure 333 is connected to the third shaft portion 330 by a crank and rocker mechanism 334; the crank of the crank and rocker mechanism 334 is fixedly connected with the output shaft of the second driving structure 333, and the rocker of the crank and rocker mechanism 334 is fixedly connected with the third shaft portion 330.

As shown in fig. 4, the stirring blade 322 can rotate left and right through the crank and rocker mechanism 334, so as to spread the material on the left and right distributing plates 210 at the same time, thereby obtaining the effect of enlarging the heat exchange area of the material.

Of course, in practical applications, the second driving mechanism 333 may be a servo motor or the like, and may drive the stirring blade 322 to rotate left and right by forward rotation or reverse rotation.

Alternatively, the diameters of the first tuyere 321 increase in sequence in the direction from the first shaft portion 310 to the second shaft portion 320.

In this embodiment, through the design to first wind gap 321 diameter, can make hot-blast can blow off comparatively evenly in the axial of second axle portion 320, and then be convenient for the even drying of the material in the whole object space of putting.

Optionally, a dehumidifier 312 is further disposed on the first shaft portion 310. Through setting up dehumidifier 312, can dry hot-blast, and then improve the drying efficiency to the material.

The drying equipment that this embodiment provided through rotation stoving case or stirring leaf in less angular range, can be so that put the material in the object space and comparatively evenly distribute on each cloth board to make full use of stoving case's circumference internal face enlarges the area of contact between material and the hot-blast, and the reinforcing convection heat transfer effect, and then improves drying efficiency. Through the rotation stoving case at great angular range, can be so that spread the material landing on the cloth board, produce the striking on the inner wall of stoving case to play certain shelling effect. Besides, the sliding materials can be driven by the drying box or the stirring blades and spread on the distributing plate again, so that the materials are uniformly dried.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A drying apparatus, characterized by comprising:

a support structure (100);

the drying box (200), the drying box (200) is rotatably mounted on the supporting structure (100), an object placing space is arranged in the drying box (200), and a plurality of circumferentially arranged distributing plates (210) are arranged on the inner wall of the drying box (200);

the air guide shaft (300) comprises a first shaft part (310) and a second shaft part (320) which are connected with each other, a hot air blower (311) is arranged on the first shaft part (310), the second shaft part (320) is rotatably installed on the drying box (200), a first air channel and a second air channel are respectively arranged in the first shaft part (310) and the second shaft part (320), the first air channel is communicated with the second air channel, and the second air channel is communicated with the object placing space through a first air opening (321) formed in the second shaft part (320);

the supporting structure (100) is provided with a guide wheel (110), and the guide wheel (110) is externally tangent to the drying box (200); a first driving structure (120) is connected to at least one of the guide wheels (110);

the second shaft part (320) is also fixedly connected with a stirring blade (322);

the first shaft part (310) is connected with the second shaft part (320) through a rotary sealing structure (340), and a second driving structure (333) is connected with the second shaft part (320);

the air guide shaft (300) further comprises a third shaft part (330), the third shaft part (330) is fixedly connected with the second shaft part (320), and the second shaft part (320) is connected with the second driving structure (333) through the third shaft part (330);

and a third air channel, a second air opening (331) and a third air opening (332) are arranged in the third shaft part (330), the third air channel is communicated with the second air opening (331) and the storage space, and the third air channel is communicated with the third air opening (332) and the external space of the drying box (200).

2. Drying apparatus according to claim 1, wherein said drying box (200) comprises a first end portion (201) and a second end portion (201) arranged diametrically opposite, said distribution plate (210) being mounted on an inner wall of said second end portion (201); the first end portion (201) is provided with a feeding hole (220), and a cover body (230) can be installed on the feeding hole (220) in an opening and closing mode.

3. The drying apparatus according to claim 2, wherein a material guide plate (240) is provided on the second end portion (201); and the material guide plates (240) incline towards the feed port (220) along the extension direction of the two axial ends of the drying box (200) towards the feed port (220).

4. Drying appliance according to claim 1, characterized in that said second driving structure (333) is connected to said third shaft portion (330) through a crank-rocker mechanism (334); the crank of the crank and rocker mechanism (334) is fixedly connected with the output shaft of the second driving structure (333), and the rocker of the crank and rocker mechanism (334) is fixedly connected with the third shaft part (330).

5. A drying apparatus according to claim 1, wherein said first shaft portion (310) is further provided with a dehumidifier (312).

6. The drying apparatus according to claim 1, wherein the diameters of the first tuyere (321) are sequentially increased in a direction from the first shaft portion (310) to the second shaft portion (320).