CN213307217U - Fruit and vegetable drying device - Google Patents

Abstract

The utility model discloses a fruit and vegetable drying device, which comprises a heating chamber and a drying chamber, wherein the rear walls of the heating chamber and the drying chamber are laminated into a partition wall, and a circulating heat supply system, a dehumidifying system and an operation controller are also arranged in the heating chamber; the upper end of the partition wall is provided with a hot air port, an air supply port, an air return port and a moisture exhaust port, and the lower part of one side wall of the heating chamber is provided with an air inlet; the circulating heat supply system comprises a hot air array cavity, a hot air pipe, a return air pipe and a hot air blower, wherein the return air pipe is connected with a return air inlet and the hot air array cavity, and the hot air pipe is connected with the hot air inlet and the hot air array cavity; the dehumidifying system comprises an air supply pipe and an air door, the air supply pipe is connected with an air inlet and an air outlet, and an air cooler is arranged on the air supply pipe; a temperature sensor and a humidity sensor are arranged in the drying chamber. This device can make the hot-air that gets into in the drying chamber from last down flowing, keeps everywhere temperature even, and the hydrofuge adjusts the temperature and can automatic control, can not only dry fruit and vegetables, can also dry tobacco, chinese-medicinal material etc..

Description

Fruit and vegetable drying device

Technical Field

The utility model belongs to agricultural and sideline product processing equipment, in particular to a drying device for fruits and vegetables.

Background

The existing fruit and vegetable drying device has many types, most of the existing fruit and vegetable drying devices send hot air into the drying chamber from the bottom, and the materials are dried from bottom to top by depending on the natural rising of hot air. Some devices naturally discharge the dried hot air, and the mode has high energy consumption and is not economical. The other devices can only control the drying process through the experience of operators, so that the working intensity of the operators is high, and the drying quality of each batch is different. Therefore, it is necessary to develop a fruit and vegetable drying device which can be automatically controlled, can uniformly dry and has high thermal efficiency.

Disclosure of Invention

The utility model aims to overcome the defect and not enough that current fruit vegetables drying device exists, but provide one kind and can make the interior hot-blast of drying chamber even, temperature and humidity automatic control and the fruit vegetables drying device of energy saving.

The technical scheme for realizing the purpose is as follows: a fruit and vegetable drying device comprises a heating chamber and a drying chamber, wherein the heating chamber and the drying chamber are arranged back to back, the rear walls of the heating chamber and the drying chamber are attached and fixed to form a partition wall, a heating furnace is arranged in the heating chamber, and a drying support is arranged in the drying chamber; the upper end of the partition wall is provided with a hot air port and an air supply port, the bottom of the partition wall is provided with an air return port and a moisture exhaust port, and the lower part of one side wall of the heating chamber is provided with an air inlet; the circulating heat supply system comprises a hot air array cavity, a hot air pipe, a return air pipe and an air heater, wherein two ends of the return air pipe are respectively connected with the return air inlet and the hot air array cavity; the dehumidifying system comprises an air supply pipe and an air door, the air supply pipe is arranged in the heating chamber, two ends of the air supply pipe are respectively connected with the air inlet and the air outlet, the air supply pipe is provided with an air cooler, and the air door is arranged in the air inlet; and a temperature sensor and a humidity sensor which are connected with the operation controller are arranged in the middle of the ceiling of the drying chamber.

Further, a wind shield is arranged on the moisture exhaust opening.

Furthermore, the drying support is a combined support, and the stand column of the support is provided with an adjusting hole.

Furthermore, the front of the heating chamber and the front of the drying chamber are both double-door.

The utility model discloses can make the hot-air that gets into in the drying chamber from last down flowing, keep the temperature everywhere in the drying chamber even, the hydrofuge adjusts the temperature and can automatic control, and the drying process is pollution-free, and heat utilization rate is high, and the usage is extensive, can not only dry fruit and vegetables, can also dry tobacco, chinese-medicinal material etc..

Drawings

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

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 1.

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1.

Fig. 5 is an enlarged sectional view of the C-C section line in fig. 3.

In the figure: 1. the heating room, 101, an air inlet, 102, a double door, 2, a drying room, 201, the double door, 3, a partition wall, 301, an air return opening, 302, a hot air opening, 303, an air supply opening, 304, a moisture exhaust opening, 4, a circulating heat supply system, 401, an air return pipe, 402, a hot air array cavity, 403, a hot air pipe, 404, a hot air blower, 405, a heating furnace, 5, a drying bracket, 501, an adjusting hole, 502, an adjusting pin, 6, an operation controller, 601, a temperature sensor, 602, a humidity sensor, 7, a moisture exhaust system, 701, an air supply pipe, 702, an air cooler, 703, an air door and 8, and a wind shield.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-5, the utility model discloses a heating chamber 1 and drying chamber 2, heating chamber 1 and drying chamber 2 are installed back to back, and the rear wall laminating of heating chamber 1 and the rear wall laminating of drying chamber 2 is fixed and is formed a stifled partition wall 3, is provided with heating furnace 405 in the heating chamber 1, is provided with drying support 5 in the drying chamber 2. The utility model is different from the prior art in that: a circulating heat supply system 4, an operation controller 6 and a moisture removal system 7 are also arranged in the heating chamber 1; a hot air port 302 and an air supply port 303 are arranged in the middle of the upper end of the partition wall 3, an air return port 301 is arranged in the middle of the bottom of the partition wall 3, two moisture exhaust ports 304 are respectively arranged on two sides of the bottom of the partition wall 3, and a shutter type wind shield 8 is arranged on each moisture exhaust port 304; the lower part of one side wall of the heating chamber 1 is also provided with an air inlet 101; the circulating heat supply system 4 comprises a hot air array cavity 402, a hot air pipe 403, a return air pipe 401 and a hot air blower 404, wherein two ends of the return air pipe 401 are respectively connected with the return air inlet 301 and the hot air array cavity 402, two ends of the hot air pipe 403 are respectively connected with the hot air inlet 302 and the hot air array cavity 402, and the hot air blower 404 is arranged on the hot air pipe 403; the dehumidifying system 7 comprises an air supply pipe 701 and an air door 703, the air supply pipe 701 is arranged in the heating chamber 1, two ends of the air supply pipe 701 are respectively connected with the air inlet 101 and the air outlet 303, the air supply pipe 701 is provided with an air cooler 702, and the air door 703 is arranged in the air inlet 101; a temperature sensor 601 and a humidity sensor 602 are installed in the middle of the ceiling of the drying chamber 2, and the temperature sensor 601 and the humidity sensor 602 are connected to the operation controller 6.

As shown in fig. 1, the drying rack 5 is a combined rack, and the vertical columns of the rack are provided with adjusting holes 501. The height of the cross beam of the bracket can be changed by inserting the adjusting pin 502 into different adjusting holes 501 so as to adapt to the space requirement of different drying objects between two layers on the drying bracket 5 and ensure that the drying objects loaded at one time can reach the maximum value.

As shown in fig. 1 and 2, the drying chamber 2 has a double door 201 on the front side, and the heating chamber 1 also has a double door 102 on the front side.

The utility model provides a heating furnace 405 with the hot-blast tubulation heating in the hot-blast tubulation 402, in hot-blast fan 404 carried hot-blast drying chamber 2 by force, return air inlet 301, return air pipe 401, hot-blast tubulation 402, hot-blast main 403, hot-blast mouth 302 and drying chamber 2 formed a heated air circulation passageway. The downward pressing type drying mode that hot air is fed in and discharged out from the drying chamber 2 from top to bottom can ensure that the hot air at all positions in the drying chamber 2 is uniform and the drying temperature is consistent, and the dried objects have good quality.

In the normal drying process, the air door 703 is in a vertical state in the air inlet 101 and blocks the air inlet 101, the wind shield 8 positioned on the moisture exhaust port 304 vertically downwards blocks the moisture exhaust port 304 under the action of self weight, and the loss of hot air is not large. When moisture needs to be exhausted, the operation controller 6 automatically starts the air cooler 702 to start working, the air door 703 at this time is in a horizontal state in the air inlet 101, the air inlet 101 is opened, dry air enters the drying chamber 2 along the air inlet 101, the air supply pipe 701 and the air supply opening 303 and is fully mixed with the wet air in the drying chamber 2, so that the humidity of the indoor air is reduced, meanwhile, due to forced entering of the dry air, the pressure in the drying chamber 2 is increased, the wind shield 8 is automatically opened, and part of the wet and hot air is exhausted into the heating chamber 1 from the moisture exhaust opening 304 and then is exhausted. After the air cooler 702 operates for a period of time, the humidity in the drying chamber 2 is continuously reduced, after the humidity is reduced to an allowable value, the dehumidifying system 7 stops working, the wind shield 8 vertically downwards blocks the dehumidifying port 304 again under the action of self weight, and the whole device enters a pure drying state.

The operation controller 6 can set temperature and humidity allowable values of different drying time periods according to the drying parameter requirements of different drying objects, when the temperature in the drying chamber 2 is higher or lower than the allowable value, the operation controller 6 can automatically control the circulation heat supply system 4 to reduce or increase the hot air volume or temperature, when the humidity in the drying chamber 2 reaches the allowable value upper limit, the operation controller 6 can automatically control the cold air fan 702 to start working, and when the humidity in the drying chamber 2 reaches the allowable value lower limit, the dehumidifying system 7 stops working. The dried low-temperature hot air can enter the circulating heat supply system 4 from the air return inlet 301 for reheating, and the heat utilization rate is high.

Claims (4)

1. The utility model provides a fruit vegetables drying device, includes heating chamber and drying chamber, and heating chamber and drying chamber are back to back the installation, and back wall laminating between them is fixed and forms a stifled partition wall, has the heating furnace in the heating chamber, has the stoving support in the drying chamber, its characterized in that: the heating chamber is also internally provided with a circulating heat supply system, a moisture removal system and an operation controller; the upper end of the partition wall is provided with a hot air port and an air supply port, the bottom of the partition wall is provided with an air return port and a moisture exhaust port, and the lower part of one side wall of the heating chamber is provided with an air inlet; the circulating heat supply system comprises a hot air array cavity, a hot air pipe, a return air pipe and an air heater, wherein two ends of the return air pipe are respectively connected with the return air inlet and the hot air array cavity; the dehumidifying system comprises an air supply pipe and an air door, the air supply pipe is arranged in the heating chamber, two ends of the air supply pipe are respectively connected with the air inlet and the air outlet, the air supply pipe is provided with an air cooler, and the air door is arranged in the air inlet; and a temperature sensor and a humidity sensor which are connected with the operation controller are arranged in the middle of the ceiling of the drying chamber.

2. The fruit and vegetable drying device of claim 1, wherein: and a wind shield is arranged on the moisture exhaust port.

3. The fruit and vegetable drying device of claim 1, wherein: the drying support is a combined support, and adjusting holes are formed in support stand columns.

4. The fruit and vegetable drying device of claim 1, wherein: the front of heating chamber and the front of drying chamber are two opening doors.

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