阅读说明：本技术 低温风干装置 (Low-temperature air drying device ) 是由 周建华 周永 涂祥洪 于 2019-11-30 设计创作，主要内容包括：低温风干装置,包括风干箱体和位于风干箱体上端的鼓风机、加热单元、干燥器、冷却单元,其特征在于：所述鼓风机一端连接有连通外部空气的通风管道,所述通风管道端处设有进风口Ⅰ,所述鼓风机另一端连通加热单元,所述加热单元包括加热器和控制加热器温度的温控器Ⅰ,所述加热器出口处设有干燥器,所述干燥器出口处设有冷却单元,所述冷却单元包括冷却器和控制冷却器温度的温控器Ⅱ,所述冷却器上设有连通风干箱体上表面端处的进风口Ⅱ,所述风干箱体另一端设有出风口,所述出风口与通风管道连通。本发明结构简单,可使热风循环使用,节能的同时保证风干效率,值得推广。(The low-temperature air drying device comprises an air drying box body, and an air blower, a heating unit, a dryer and a cooling unit which are arranged at the upper end of the air drying box body, and is characterized in that: air-blower one end is connected with the air pipe of intercommunication outside air, air pipe end department is equipped with air intake I, air-blower other end intercommunication heating unit, heating unit includes heater and the temperature controller I of control heater temperature, the heater exit is equipped with the desicator, the desicator exit is equipped with cooling unit, cooling unit includes the temperature controller II of cooler and control cooler temperature, be equipped with the air intake II that the intercommunication air-dries box upper surface end department on the cooler, it is equipped with the air outlet to air-dry the box other end, air outlet and air pipe intercommunication. The invention has simple structure, can recycle hot air, saves energy, ensures air drying efficiency and is worth popularizing.)

1. Low temperature air-dries device, including air-drying box (1) and air-blower (2), heating element (3), desicator (4), cooling unit (5) that are located air-drying box (1) upper end, its characterized in that: one end of the blower (2) is connected with a ventilating duct (6) communicated with outside air, an air inlet I (7) is arranged at the end of the ventilating duct (6), the other end of the air blower (2) is communicated with the heating unit (3), the heating unit (3) comprises a heater (31) and a temperature controller I (32) for controlling the temperature of the heater (31), a dryer (4) is arranged at the outlet of the heater (31), a cooling unit (5) is arranged at the outlet of the dryer (4), the cooling unit (5) comprises a cooler (51) and a temperature controller II (52) for controlling the temperature of the cooler (51), an air inlet II (8) communicated with the upper surface end of the air drying box body (1) is arranged on the cooler (51), the other end of the air drying box body (1) is provided with an air outlet (9), and the air outlet (9) is communicated with the ventilation pipeline (6).

2. A low temperature seasoning apparatus according to claim 1 wherein: an air filter screen (10) is arranged at the joint of the ventilating duct (6) and the air inlet I (7).

3. A low temperature seasoning apparatus according to claim 1 wherein: the temperature setting of the temperature controller I (32) is 19-20 ℃, and the temperature setting of the temperature controller II (52) is 17-18 ℃.

4. A low temperature seasoning apparatus according to claim 1 or claim 3 wherein: the temperature controller I (32) and the temperature controller II (52) are digital temperature controllers.

5. A low temperature seasoning apparatus according to claim 1 wherein: the heater (31) adopts resistance wires for heating.

6. A low temperature seasoning apparatus according to claim 1 wherein: the dryer (4) adopts a normal pressure dryer.

7. A low temperature seasoning apparatus according to claim 1 wherein: and a fan (11) is arranged at the air outlet (9).

8. A low temperature seasoning apparatus according to claim 1 wherein: the air-drying box is characterized in that a plurality of supporting rods (12) in the vertical direction are arranged in the air-drying box body (1), an S-shaped ventilation channel is formed between the supporting rods (12), each two supporting rods are provided with detachable trays (13) between the supporting rods (12), and through holes are formed in the trays (13).

9. A low temperature seasoning apparatus according to claim 1 wherein: a movable plate (14) is arranged on the air drying box body (1).

Technical Field

The invention relates to the technical field of air drying equipment, in particular to a low-temperature air drying device.

Background

The safe storage of food relates to the health and life safety of people, most food needs to be dehydrated and dried for safe storage to achieve safe moisture, and can be prevented from mildewing, rotting and deteriorating in the storage process under the strict storage environment temperature, the air drying equipment used at present has the problems of damaging the quality of the food, complex process flow, high production cost, high operation difficulty, low efficiency, waste of a large amount of energy, pollution in the air drying transfer storage process, incapability of reaching the standard of safety and sanitation, bacterium breeding, food deterioration and the like;

present air-dry equipment directly enters into air-dry in the case after the dehumidification, leads to the temperature after the dehumidification and required air-dried temperature to differ great, makes the temperature that air-dries the box not reach the air-dry temperature to air-dry efficiency reduces, can not make the gas cycle who contains the temperature moreover and use, causes the wasting of resources.

Disclosure of Invention

The invention aims to: the low-temperature air drying device is provided for overcoming the defects, enabling the air drying process to be intelligent, guaranteeing the recycling of air-dried air, and being energy-saving and environment-friendly.

In order to realize the purpose, the following technical scheme is adopted: low temperature air-dries device, including air-drying the box and being located air-drying air-blower, heating element, desicator, the cooling unit of box upper end, air-blower one end is connected with the air pipe of intercommunication outside air, air pipe end department is equipped with air intake I, air-blower other end intercommunication heating element, the heating element includes heater and the temperature controller I of control heater temperature, the heater exit is equipped with the desicator, the desicator exit is equipped with the cooling unit, the cooling unit includes the temperature controller II of cooler and control cooler temperature, be equipped with the air intake II that the box upper surface end department was air-dried in the intercommunication on the cooler, the air-drying box other end is equipped with the air outlet, air outlet.

Preferably, an air filter screen is arranged at the joint of the ventilating duct and the air inlet I.

Preferably, the temperature setting of the temperature controller I is 19-20 ℃, and the temperature setting of the temperature controller II is 17-18 ℃.

Preferably, the temperature controller I and the temperature controller II are digital temperature controllers.

Preferably, the heater adopts resistance wire heating.

Preferably, the dryer is an atmospheric dryer.

Preferably, a fan is arranged at the air outlet.

Preferably, a plurality of supporting rods in the vertical direction are arranged in the air drying box body, an S-shaped ventilation channel is formed between the supporting rods, each two supporting rods are provided with detachable trays, and the trays are provided with through holes.

Preferably, the air drying box body is provided with a movable plate.

The invention has the following beneficial effects: the temperature controller makes the control more intelligent, and the desicator that sets up makes the air that the heated gas will contain moisture dry. The filter screen can avoid inhaling the air that contains impurity, influences air-drying effect or quality. The air inlet I, the air inlet II and the air outlet are arranged, so that heated air can be recycled, and energy is saved.

Drawings

FIG. 1 is a schematic view of the structure of the low temperature air drying device of the present invention.

FIG. 2 is a schematic view of the back structure of the low temperature air drying device of the present invention

In the figure, 1-an air drying box body, 2-a blower, 3-a heating unit, 4-a dryer, 5-a cooling unit, 6-a ventilating duct, 7-an air inlet I, 8-an air inlet II, 9-an air outlet, 10-an air filtering screen, 11-a fan, 12-a supporting rod, 13-a tray, 14-a movable plate, 31-a heater, 32-a temperature controller I, 51-a cooler and 52-a temperature controller II.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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, should not be construed as limiting the present invention.

Referring to the attached drawings, the low-temperature air drying device comprises an air drying box body 1, a blower 2, a heating unit 3, a dryer 4 and a cooling unit 5 which are arranged at the upper end of the air drying box body 1, one end of the air blower 2 is connected with a ventilating duct 6 communicated with outside air, an air inlet I7 is arranged at the end of the ventilating duct 6, the other end of the blower 2 is communicated with a heating unit 3, the heating unit 3 comprises a heater 31 and a temperature controller I32 for controlling the temperature of the heater 31, a drier 4 is arranged at the outlet of the heater 31, a cooling unit 5 is arranged at the outlet of the drier 4, the cooling unit 5 comprises a cooler 51 and a temperature controller ii 52 for controlling the temperature of the cooler 51, be equipped with the air intake II 8 that communicates 1 upper surface end department of air-drying box on the cooler 51, the air-drying box 1 other end is equipped with air outlet 9, air outlet 9 and air pipe 6 intercommunication.

An air filter screen 10 is arranged at the joint of the ventilating duct 6 and the air inlet I7.

The temperature setting of the temperature controller I32 is 19-20 ℃, and the temperature setting of the temperature controller II 52 is 17-18 ℃.

The temperature controller I32 and the temperature controller II 52 are digital temperature controllers.

The digital electronic temperature controller is an accurate temperature detection controller and can carry out digital quantization control on the temperature. The temperature controller generally adopts an NTC thermal sensor or a thermocouple as a temperature detection element, and the principle is as follows: the NTC heat-sensitive sensor or the thermocouple is designed into a corresponding circuit, the NTC heat-sensitive sensor or the thermocouple changes along with the temperature change, corresponding voltage and current changes can be generated, and the changed voltage and current are detected, quantitatively displayed and correspondingly controlled by the microcontroller. The digital temperature controller has the characteristics of high accuracy, good sensitivity, intuition, convenient operation and the like.

The heater 31 is heated by using a resistance wire.

The dryer 4 adopts a normal pressure dryer.

And a fan 11 is arranged at the air outlet 9.

The air-drying box body 1 is internally provided with a plurality of supporting rods 12 in the vertical direction, S-shaped ventilation channels are formed among the supporting rods 12, every two detachable trays 13 are arranged between the supporting rods 12, and through holes are formed in the trays 13.

The air drying box body 1 is provided with a movable plate 14.

When in use, the movable plate 14 is opened, the air-dried grains such as corns are placed in the tray 13, the tray is closed after the operation is finished, the air blower 2 and the fan 11 are opened, the filtered air sequentially enters the ventilation pipeline 6, the air blower 2, the heater 31, the dryer 4 and the cooler 51 from the air inlet I7 and enters the air-drying box 1 from the air inlet II 8, the grains on the tray 13 are respectively air-dried by the air of the air-drying box 1 through the S-shaped curve, at the moment, the gas coming out of the air outlet 9 contains vapor, the temperature difference also exists, the grains need to be further heated and dehumidified, the grains are heated, dried and cooled again under the action of the air blower 2 and enter the air-drying box 1, the grains in the air-drying box 1 can be air-dried by repeating the steps, the heated air is recycled, the energy is saved, and the temperature controllers I32 and II 52 are arranged to effectively control the air temperature, the air temperature is ensured to be in a certain range. In order to further improve the recycling of the gas containing the temperature, a movable switch can be arranged at the air inlet I7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.