CN212227643U

CN212227643U - Drying device

Info

Publication number: CN212227643U
Application number: CN202020167151.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhangzhou Longwen District Renxin Industry Design Co ltd
Current assignee: Zhangzhou Longwen District Renxin Industry Design Co ltd
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-12-25
Anticipated expiration: 2030-02-13

Abstract

The utility model relates to a drying device, it can be dried litchi in succession, and the thermal efficiency is high, the reliable operation. It comprises a drying device, a hot air device and a control box; the drying device comprises a spiral channel, an inner roller, an outer roller, a driving roller, a motor, a conveyor belt and a charging hole; the cross section of the spiral channel is arched, the outer part of the spiral channel is provided with a heat insulation layer A, the inner part of the spiral channel is provided with a drying cavity, the lower part of the drying cavity is provided with an inner roller column which is rotatably connected with the spiral channel, the outer roller column is arranged on the outer part of the drying cavity and rotatably connected with the spiral channel, the driving roller column and the motor are arranged at two ends of the spiral channel, and the charging opening is arranged above the head end of the; the hot air device comprises a heating chamber, a blower, an air inlet pipe and an exhaust pipe, wherein a heat insulation layer B is arranged outside the hot air device, an electric furnace wire is arranged inside the hot air device, the blower is arranged outside the heating chamber, the air inlet pipe is connected with the blower and the heating chamber, and the exhaust pipe is communicated with the heating chamber and a spiral channel tail end drying cavity.

Description

Drying device

Technical Field

The utility model relates to a drying device technical field especially relates to a drying device.

Background

Litchi is sweet in taste, sour and warm in nature, and enters heart, spleen and liver meridians; can stop hiccup and diarrhea, is a good food therapy product for intractable hiccup and morning diarrhea, and has the effects of nourishing brain, building body, stimulating appetite, benefiting spleen and promoting appetite. However, litchi is not storage-stable, so people can dry litchi in the sun, and thus, the litchi can be stored for a long time. At present, most litchi chinensis sun-dried methods are just in rainy season when litchi chinensis are ripe through sun drying, the litchi chinensis is easily wetted by rainwater when being sun-dried, and the storage time is greatly shortened due to insufficient drying degree.

The utility model discloses a utility model patent that application number is CN201620950717.7 discloses a "litchi drying-machine", including technical characteristics such as feed inlet, helical coiled passage, motor, flabellum, heating wire, bottom, ventilation hole, heat preservation and discharge gate, this technical scheme has utilized helical coiled pipeline to make the litchi move in the drying-machine, has both saved the energy, makes the litchi thermally equivalent again, improves the quality of dried litchi. However, the technical scheme has the following problems: firstly, the spiral pipeline is heated by hot air in a mode of heating the outside of the spiral pipeline, and then litchi inside the spiral pipeline is heated, so that the hot air does not directly heat the litchi, and the heat efficiency is reduced; secondly, the litchis enter from the feed inlet and exit from the discharge outlet, and move by the dead weight and rolling of the litchis in the whole process, so that the moving speed is not controllable, and the drying effect is difficult to control; and thirdly, the motor and the fan blades are arranged in the heat insulation layer (refer to attached figures in the specification), so that the motor is in a high-temperature working state, heat dissipation of the motor is not facilitated, and the service life of the motor is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can dry, the thermal efficiency is high, the reliable operation's litchi drying device in succession to the litchi.

The utility model discloses a realize through following technical scheme: a drying device comprises a drying device, a hot air device and a control box; the drying device comprises a spiral channel, an inner roller, an outer roller, a driving roller, a motor, a conveyor belt and a charging hole; the spiral channel is spiral, the cross section of the spiral channel is arched, the outer part of the shell is provided with a heat insulation layer A, and the inner part of the shell is a drying cavity; the inner roller columns are arranged at the lower part of the drying cavity, two ends of the inner roller columns are rotationally connected with the shell of the spiral channel, the outer roller columns are arranged outside the drying cavity and below the bottom of the spiral channel, two ends of the outer roller columns are rotationally connected with the shell of the spiral channel, and the inner roller columns and the outer roller columns are arranged at intervals along the spiral channel; the driving roller column and the motor are arranged at two ends of the spiral channel, two ends of the driving roller column are rotationally connected with the shell of the spiral channel and driven by the motor, and the motor is electrically connected with the control box and controlled by the control box; the conveying belt is arranged on the inner roller and the outer roller and is supported by the inner roller and the outer roller in a rolling way, the conveying belt is tightly sleeved outside the driving roller at two ends of the spiral channel, and the driving roller drives the conveying belt to advance; the feed inlet is arranged above the head end of the spiral channel, and the bottom of the feed inlet is communicated with the top of the drying cavity.

Furthermore, the hot air device comprises a heating chamber, a blower, an air inlet pipe and an exhaust pipe, wherein the heating chamber is a closed space, the outer part of the heating chamber is provided with a heat insulation layer B, an electric furnace wire is arranged in the heating chamber, the blower is arranged on one side outside the heating chamber, one end of the air inlet pipe is connected with an air outlet of the blower, the other end of the air inlet pipe is communicated with the inside of the heating chamber, the exhaust pipe is arranged on the other side outside the heating chamber, one end of the exhaust pipe is communicated with the inside of the heating chamber, the other; the blower and the electric stove wire are both electrically connected with and controlled by the control box.

Further, the electric stove wire is provided with a plurality of layers. For increasing the heating value of the electric furnace wire.

Furthermore, the spiral channels are arranged in a plurality of end-to-end mode. The total length of the spiral channel can be increased, and the drying time of the litchis is prolonged.

Further, the conveyor belt is net-shaped and made of a heat-resistant material. The net-shaped conveyor belt can heat the litchis on the conveyor belt up and down, so that the drying effect is enhanced; the conveyor belt made of the heat-resistant material can prolong the service life of the conveyor belt.

Further, a wind shielding device is arranged at the tail end of the spiral channel. The hot air leakage from the tail end of the spiral channel is prevented, and the heat energy is wasted.

The utility model has the advantages that:

1. the spiral channel is used as a drying chamber, hot air is directly used for drying the litchis in the spiral channel, and the heat efficiency is high; the heat insulation layer A is arranged outside the spiral channel, so that heat loss can be prevented, the heat efficiency is improved, and energy is saved;

2. in the drying process, the conveyor belt is adopted to drive the litchis to move forwards at a constant speed, so that a good drying effect can be obtained, and the problems that the speed is uncontrollable and the drying effect is difficult to control due to the fact that the litchis move by means of dead weight and rolling in the prior art are solved;

3. the blower is arranged outside the heating chamber, so that the temperature of the working environment is lower, heat dissipation is facilitated, the work is reliable, and the problem that the motor in the prior art is in a high-temperature working environment and is not conducive to heat dissipation can be solved;

4. the heating capacity of the electric stove wires, the air quantity of the air blower and the moving speed of the conveyor belt can be controlled through the control box, so that litchi fruits with different water contents are dried, and the controllability is high;

5. the electric furnace wire is adopted to directly heat the air, the hot air does not contain sulfide, the litchi cannot be polluted by the sulfide, and the litchi is safe and harmless;

6. the whole drying process is carried out continuously, the working efficiency is high, the operation is simple and convenient, and the automatic operation can be realized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a schematic structural diagram of the feed end of the spiral channel of the present invention.

Fig. 4 is a schematic diagram of the circuit connection of the present invention.

In the figure: the device comprises a control box 1, a spiral channel 2, an inner roller 3, an outer roller 4, a driving roller 5, a motor 6, a conveyor belt 7, a charging opening 8, a shell 9, a heat-insulating layer A10, a drying cavity 11, a heating chamber 12, a blower 13, an air inlet pipe 14, an exhaust pipe 15, a heat-insulating layer B16, an electric furnace wire 17 and a wind shielding device 18.

Detailed Description

As shown in fig. 1 to 4, an embodiment of a drying device includes a drying device, a hot air device and a control box 1; the drying device comprises a spiral channel 2, an inner roller 3, an outer roller 4, a driving roller 5, a motor 6, a conveyor belt 7 and a feed inlet 8; the spiral channel 2 is spiral, the cross section of the spiral channel is arched, the outer part of the shell 9 is provided with an insulating layer A10, the insulating layer A10 is arranged to prevent heat loss, and the inside of the shell 9 is provided with a drying cavity 11; the inner roller 3 is arranged at the lower part of the drying cavity 11, two ends of the inner roller are rotationally connected with the shell 9 of the spiral channel 2, the outer roller 4 is arranged outside the drying cavity 11 and below the bottom of the spiral channel 2, two ends of the outer roller are rotationally connected with the shell 9 of the spiral channel 2, and the inner roller 3 and the outer roller 4 are both provided with a plurality of rollers and are arranged at intervals along the spiral channel 2; the driving roller 5 and the motor 6 are arranged at two ends of the spiral channel 2, two ends of the driving roller 5 are rotationally connected with the shell 9 of the spiral channel 2 and driven by the motor 6, and the motor 6 is electrically connected with and controlled by the control box 1; the conveying belt 7 is arranged on the inner roller 3 and the outer roller 4 and is supported by the inner roller and the outer roller in a rolling manner, the conveying belt 7 is tightly sleeved outside the driving roller 5 at two ends of the spiral channel 2, the driving roller 5 drives the conveying belt 7 to advance, the conveying belt 7 is net-shaped and made of heat-resistant materials, the net-shaped conveying belt 7 can enable litchis on the conveying belt 7 to be heated up and down, and the drying effect is enhanced; the conveyor belt 7 made of the heat-resistant material can prolong the service life of the conveyor belt 7, and the conveyor belt 7 of the embodiment can be woven by iron wires; the charging opening 8 is arranged above the head end of the spiral channel 2, and the bottom of the charging opening is communicated with the top of the drying cavity 11; for the total length that increases spiral channel 2, increase the stoving time of litchi, spiral channel 2 can be equipped with a plurality ofly, and end to end, and spiral channel 2 of this embodiment has set up two, spiral channel 2's head end behind the end-to-end connection of preceding spiral channel 2.

In this embodiment, the hot air device includes a heating chamber 12, a blower 13, an air inlet pipe 14 and an exhaust pipe 15, the heating chamber 12 is a closed space, an insulating layer B16 is provided outside the heating chamber, an electric stove wire 17 is provided inside the heating chamber, and the electric stove wire 17 is provided with multiple layers to increase the heating value of the electric stove wire 17; the blower 13 is arranged on one side outside the heating chamber 12, one end of the air inlet pipe 14 is connected with an air outlet of the blower 13, the other end of the air inlet pipe is communicated with the inside of the heating chamber 12, the exhaust pipe 15 is arranged on the other side outside the heating chamber 12, one end of the exhaust pipe is communicated with the inside of the heating chamber 12, the other end of the exhaust pipe is communicated with the inside of the drying chamber 11 at the tail end of the spiral channel 2, hot air is blown to the reverse direction of the conveyor belt 7, and the hot air is blown in from the tail end of the spiral channel 2, so that a better drying effect can be achieved; the blower 13 and the electric furnace wire 17 are both electrically connected with and controlled by the control box 1;

in this embodiment, in order to prevent the hot air from leaking from the end of the spiral passage 2 and wasting heat energy, the end of the spiral passage 2 is provided with a wind shielding device 18.

When the automatic feeding device works, a circuit of the motor 6 is connected through the control box 1, the motor 6 drives the driving roller 5 to rotate, and the driving roller 5 drives the conveyor belt 7 to slowly advance at a constant speed; meanwhile, the control box 1 is communicated with a circuit of an electric stove wire 17 and an air blower 13, hot air is blown in from the tail end of the spiral channel 2 through an exhaust pipe 15 and is discharged from the head end (namely the end of the charging opening 8) of the spiral channel 2, litchi to be dried is poured into the charging opening 8, the litchi enters the drying cavity 11 from the charging opening 8 and falls on the conveyor belt 7 and is slowly moved under the driving of the conveyor belt 7, and the litchi is baked by the hot air which is higher and higher because the hot air is blown against the moving direction of the conveyor belt 7, the drying degree of the litchi is higher and higher until the litchi is completely dried and then is taken out from the tail end of the spiral. The heating value of the electric stove wire 17, the air volume of the air blower 13 and the moving speed of the conveyor belt 7 can be controlled through the control box 1, so that litchi fruits with different water contents are dried, and the controllability is high.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention.

Claims

1. A drying device comprises a drying device, a hot air device and a control box; the method is characterized in that: the drying device comprises a spiral channel, an inner roller, an outer roller, a driving roller, a motor, a conveyor belt and a charging hole; the spiral channel is spiral, the cross section of the spiral channel is arched, the outer part of the shell is provided with a heat insulation layer A, and the inner part of the shell is a drying cavity; the inner roller columns are arranged at the lower part of the drying cavity, two ends of the inner roller columns are rotationally connected with the shell of the spiral channel, the outer roller columns are arranged outside the drying cavity and below the bottom of the spiral channel, two ends of the outer roller columns are rotationally connected with the shell of the spiral channel, and the inner roller columns and the outer roller columns are arranged at intervals along the spiral channel; the driving roller column and the motor are arranged at two ends of the spiral channel, two ends of the driving roller column are rotationally connected with the shell of the spiral channel and driven by the motor, and the motor is electrically connected with the control box and controlled by the control box; the conveying belt is arranged on the inner roller and the outer roller and is supported by the inner roller and the outer roller in a rolling way, the conveying belt is tightly sleeved outside the driving roller at two ends of the spiral channel, and the driving roller drives the conveying belt to advance; the feed inlet is arranged above the head end of the spiral channel, and the bottom of the feed inlet is communicated with the top of the drying cavity.

2. A drying apparatus as claimed in claim 1, wherein: the hot air device comprises a heating chamber, a blower, an air inlet pipe and an exhaust pipe, wherein the heating chamber is a closed space, a heat insulation layer B is arranged outside the heating chamber, an electric furnace wire is arranged inside the heating chamber, the blower is arranged on one side outside the heating chamber, one end of the air inlet pipe is connected with an air outlet of the blower, the other end of the air inlet pipe is communicated with the inside of the heating chamber, the exhaust pipe is arranged on the other side outside the heating chamber, one end of the exhaust pipe is communicated with the inside of the heating chamber, the other end of the; the blower and the electric stove wire are both electrically connected with and controlled by the control box.

3. A drying apparatus according to claim 2, wherein: the electric furnace wire is provided with a plurality of layers.

4. A drying apparatus according to claim 1, wherein: the spiral channels are arranged in a plurality and are connected end to end.

5. A drying apparatus according to claim 1, wherein: the conveyor belt is net-shaped and made of heat-resistant materials.

6. A drying apparatus according to claim 1, wherein: and a wind shielding device is arranged at the tail end of the spiral channel.