CN217154760U

CN217154760U - Pull formula electric heat air blast drying cabinet

Info

Publication number: CN217154760U
Application number: CN202220003560.2U
Authority: CN
Inventors: 王鹏
Original assignee: Chengdu Jinhengtai Technology Co ltd
Current assignee: Chengdu Jinhengtai Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-08-09
Anticipated expiration: 2032-01-04

Abstract

The utility model discloses a drawing type electrothermal blowing dry box, which comprises a box body, wherein the inner cavity of the box body is divided into a heating cavity, a drying cavity and a hot air duct, the drying cavity and the hot air duct are both arranged above the heating cavity, and the hot air duct is surrounded outside the drying cavity; a weighing platform is arranged on the inner bottom surface of the drying cavity, and a weighing sensor is arranged on the weighing platform; a tray frame is arranged at the top end of the weighing sensor, a plurality of layers of horizontal guide rails are arranged on two opposite sides in the tray frame, and a drying tray is connected in each layer of horizontal guide rail in a sliding manner; an air inlet is formed in one side wall in the heating cavity, an induced draft fan is arranged in the heating cavity, the inlet end of the induced draft fan is opposite to the air inlet, the outlet end of the induced draft fan is communicated with a first air pipe, the outlet end of the first air pipe is communicated with an electric heating box, a heating element is arranged in the electric heating box, one end of the electric heating box is communicated with a second air pipe, and the outlet end of the second air pipe is communicated with the bottom of the hot air duct. The utility model discloses a drying cabinet enables the material thermally equivalent, and accessible weighing sensor real-time supervision material drying situation.

Description

Pull formula electric heat air blast drying cabinet

Technical Field

The utility model belongs to the technical field of the drying cabinet, concretely relates to pull formula electric heat air blast drying cabinet.

Background

The drying oven is a device for dehydrating and drying materials or performing heat treatment, is a common instrument and device, and is widely applied to various industries such as chemical industry, medicine, electronics, casting, automobiles, food, machinery and the like. The electric heating air blowing drying box is equipment which blows hot air through a fan to dry materials in the drying box. At present, an air inlet is usually formed at a certain position on the inner wall of a box body of an existing electric heating air blowing drying box, and due to the fact that the wind resistance of hot air in the drying box is large and the flow rate is low, hot air in the drying box is not uniformly distributed, and the phenomena that the drying degrees of materials at different positions are different occur, for example, the materials near the air inlet are dried fast, and the materials far away from the air inlet are dried slowly. Further, the overall drying speed is reduced, the drying period is prolonged, and the power consumption is high. Meanwhile, the dried materials have different water content and poorer quality.

Secondly, in the material drying process, need the staff to open the drying cabinet frequently and look over the stoving effect of material, increased operating personnel's working strength, reduced work efficiency, and frequently open the drying cabinet, can lead to the hot-air to run off in a large number to the energy consumption has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a pull type electrothermal blowing drying box.

The utility model discloses a through following technical scheme implement:

a drawing type electrothermal blowing drying box comprises a box body 1, wherein an inner cavity of the box body 1 is divided into a heating cavity 6, a drying cavity 7 and a hot air duct 8, the heating cavity 6 is arranged at the bottom of the box body 1, the drying cavity 7 and the hot air duct 8 are both arranged above the heating cavity 6, and the hot air duct 8 is arranged outside the drying cavity 7 in a surrounding manner; the side wall and the top wall of the drying cavity 7 are both provided with a plurality of strip-shaped air grooves 5, and the drying cavity 7 is communicated with the hot air duct 8 through the strip-shaped air grooves 5; a weighing platform 9 is arranged on the inner bottom surface of the drying cavity 7, and a weighing sensor 10 is arranged on the weighing platform 9; a tray frame 11 is placed at the top end of the weighing sensor 10, a plurality of layers of horizontal guide rails 12 are symmetrically arranged on two opposite sides in the tray frame 11, and a pull-out type drying tray 13 is slidably connected in each layer of the horizontal guide rails 12, so that the drying tray 13 can be conveniently placed in or pulled out of the guide rails; an air inlet is formed in one side wall of the heating cavity 6, an induced draft fan 14 is arranged in the heating cavity 6, the inlet end of the induced draft fan 14 is opposite to the air inlet, the outlet end of the induced draft fan 14 is communicated with a first air pipe 15, the outlet end of the first air pipe 15 is communicated with an electric heating box 16, a heating element 17 is arranged in the electric heating box 16, one end, far away from the first air pipe 15, of the electric heating box 16 is communicated with a second air pipe 18, and the outlet end of the second air pipe 18 is communicated with the bottom of the hot air duct 8; the device further comprises a controller, wherein the controller is electrically connected with the weighing sensor 10, the induced draft fan 14 and the heating element 17 respectively.

When the drying tray is used, the materials are flatly laid on the drying tray 13, and then the drying tray 13 is placed in the guide rail of the tray frame 11. The electric heating element and the draught fan 14 are started through the controller, the draught fan 14 introduces outside air, cold air is converted into hot air after being heated by the heating element 17, the hot air is transmitted into the hot air duct through the second air pipe 18, the hot air in the hot air duct is less blocked, and the hot air is rapidly spread to the whole hot air duct under the blowing pressure action of the draught fan, and then the hot air is transmitted into the drying cavity 7 through the strip-shaped multi-azimuth air grooves 5 on the left side wall, the right side wall, the rear side wall and the top wall of the drying cavity, so that materials in the drying box are uniformly heated; the hot air evaporates the moisture on the material, and finally the hot air is changed into damp hot air containing a large amount of moisture and is discharged. After the drying is accomplished, artificially stimulate dry tray 13, with the whole taking out of material intercommunication dry tray 13 on the dry tray 13, do not need the material of taking of artificial one, practiced thrift the time, still conveniently maintain, wash or change dry tray 13 simultaneously, the practicality is strong.

The load cell 10 can monitor the weight of an object placed thereon in real time and transmit the data to the controller.

(1) When materials with certain water content are required to be dried: before starting the drying, the initial moisture content of the wet material is measured, and the initial weight of the wet material (i.e., the total weight minus the weight of the tray rack 11 and the drying tray 13) is weighed and recorded by the load cell 10. In the drying process, weighing sensor 10 real-time supervision is arranged in the gross weight of the material on tray frame 11, dry tray 13 and the dry tray on it, because the dry matter weight of material itself is unchangeable, so the weight that reduces gradually in the drying process is the moisture weight that material itself reduces, alright calculate the real-time moisture content of material from this to reach the accurate control to water content and drying time. After the material is dried to the target moisture content, the draught fan 14 and the heating element 17 can be closed in time through the controller to stop continuously heating the material, so that the drying quality of the material is guaranteed, and the energy consumption is saved. Meanwhile, the drying condition of the material does not need to be frequently monitored manually, the working strength of operators is reduced, and the working efficiency is improved.

(2) When the workpiece is dried: before starting drying, the total weight of the tray rack 11, the drying tray 13 and the material on the drying tray is weighed by the load cell 10. In the drying process, the value detected by the weighing sensor 10 continuously decreases; when the value is not reduced basically, the workpiece is dried. The induced draft fan 14 and the heating element 17 are closed in time through the controller to stop continuously heating the materials, and energy consumption is saved.

Optionally, an air outlet is formed in the top of the drying cavity 7, the air outlet is communicated with an air exhaust pipe 19, and a first electromagnetic valve 20 is arranged on the air exhaust pipe 19; the outlet end of the exhaust pipe 19 is also communicated with an exhaust fan 21, and the first electromagnetic valve 20 and the exhaust fan 21 are respectively and electrically connected with the controller. The controller turns on the exhaust fan 21 and controls the opening size of the electromagnetic valve to adjust the wind speed and the wind volume of the wet hot air exhausted from the drying chamber 7.

Optionally, a second solenoid valve 22 is disposed on the second air duct 18, and the second solenoid valve 22 is electrically connected to the controller. The opening size of the second electromagnetic valve 22 is controlled by the controller to adjust the speed and volume of the hot air entering the drying chamber 7.

Optionally, a temperature sensor 23 and a humidity sensor 24 are arranged at the top inside the drying cavity 7, and the temperature sensor 23 and the humidity sensor 24 are respectively in communication connection with the controller. Humidity sensor 24 can real-time supervision box 1 internal humidity, when humidity sensor 24 detected box 1 internal humidity too big, with information transmission to controller, by opening of controller control exhaust fan 21 and first solenoid valve 20, in time discharges away the moisture from exhaust pipe 19 to improve drying rate. The temperature sensor 23 can monitor the temperature in the box body 1 in real time, when the temperature sensor 23 detects that the temperature in the box body 1 is lower than a set value, a signal is transmitted to the controller, the controller starts the heating element 17 and the induced draft fan 14, and hot air is transmitted into the box body 1 to dry materials in the box body 1; when the temperature sensor 23 detects that the temperature in the box body 1 reaches a set value, a signal is transmitted to the controller, and the controller stops the operation of the heating element 17 and the induced draft fan 14, so that the temperature is controlled within a certain range.

Optionally, a lighting lamp 4 is further disposed on the top of the drying chamber 7, and the lighting lamp 4 is electrically connected to the controller. When the box door 2 is opened, the lighting lamp 4 is turned on by the controller; when the door 2 is closed, the lighting lamp 4 is turned off by the controller.

Optionally, two pairs of side walls of the drying tray 13 are symmetrically provided with sliding blocks 25, and the sliding blocks 25 are arranged in the horizontal guide rail 12 and are slidably connected with the horizontal guide rail 12; a plurality of through holes are distributed on the bottom and the side wall of the drying tray 13, and a handle 26 is further arranged on one side of the drying tray 13. The through holes are used for supplying hot air to accelerate the drying speed of the material on the drying tray 13. The handle 26 is provided to facilitate the extraction of the drying tray 13 from the guide rail.

Optionally, the air inlet is provided with a dust screen 27. The dust screen 27 can filter dust in the air to prevent the dust from entering the interior of the box 1.

Optionally, the inner wall of the box body 1 is further provided with a heat preservation layer 3, and the heat preservation layer 3 plays a heat preservation role in the box body 1 to prevent heat from being dissipated to the outside.

Optionally, a box door 2 is hinged to the box body 1, and a visible window 28 is disposed on the box door 2. Under the condition of not opening the box door, the visible window 28 can facilitate the staff to observe the drying effect of the materials inside the box body 1 at any time.

Compared with the prior art, the utility model discloses following beneficial effect has: 1. the utility model can monitor the weight of the material in the box body in real time by arranging the weighing sensor, thereby achieving the accurate control of the water content and the drying time, being beneficial to ensuring the drying quality and reducing the energy consumption; 2. the utility model can monitor the humidity in the box body in real time by arranging the humidity sensor, so as to discharge the humidity in time and further improve the drying speed; 3. the utility model discloses a set up the bar wind channel at left side wall, right side wall, back lateral wall and the roof in the heating chamber, can make the hot-air diversified transmission in the hot-blast main to the drying chamber to ensure that the material in the drying cabinet is heated evenly, and then improve drying efficiency and drying effect.

Drawings

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

FIG. 2 is a schematic structural view of the side wall of the drying chamber of the present invention;

FIG. 3 is a schematic view showing the connection relationship between the horizontal guide rail and the drying tray according to the present invention;

in the figure: 1. the automatic drying device comprises a box body, a box door, a heat preservation layer, a lighting lamp, a strip-shaped air duct, a heating cavity, a drying cavity, a hot air duct, a weighing platform, a weighing sensor, a tray rack, a horizontal guide rail, a drying tray, a draught fan, a first air duct, a heating box, a heating element, a second air duct, a first air duct, a second air duct, a third air duct, a fourth air duct, a fifth air duct, a sixth air duct, a fifth air duct, a sixth air duct, a sixth air duct, a sixth air duct, a sixth air duct, a sixth air duct, a sixth air duct, a.

Detailed Description

The invention is further illustrated by the following figures and examples, without however restricting the scope of the invention to these examples.

Example 1

As shown in fig. 1-3, a drawing type electrothermal blowing drying box comprises a box body 1, an inner cavity of the box body 1 is divided into a heating cavity 6, a drying cavity 7 and a hot air duct 8, the heating cavity 6 is arranged at the bottom of the box body 1, the drying cavity 7 and the hot air duct 8 are both arranged above the heating cavity 6, and the hot air duct 8 is arranged around the drying cavity 7; the side wall and the top wall of the drying cavity 7 are both provided with a plurality of strip-shaped air grooves 5, and the drying cavity 7 is communicated with a hot air duct 8 through the strip-shaped air grooves 5; a weighing platform 9 is arranged on the inner bottom surface of the drying cavity 7, and a weighing sensor 10 is arranged on the weighing platform 9; a tray frame 11 is placed at the top end of the weighing sensor 10, a plurality of layers of horizontal guide rails 12 are symmetrically arranged on two opposite sides in the tray frame 11, and a pull-out type drying tray 13 is connected in each layer of horizontal guide rail 12 in a sliding mode, so that the drying tray 13 can be conveniently placed in or pulled out of the guide rails; an air inlet is formed in one side wall of the heating cavity 6, an induced draft fan 14 is arranged in the heating cavity 6, the inlet end of the induced draft fan 14 is opposite to the air inlet, the outlet end of the induced draft fan 14 is communicated with a first air pipe 15, the outlet end of the first air pipe 15 is communicated with an electric heating box 16, a heating element 17 is arranged in the electric heating box 16, one end, far away from the first air pipe 15, of the electric heating box 16 is communicated with a second air pipe 18, and the outlet end of the second air pipe 18 is communicated with the bottom of the hot air duct 8; the device further comprises a controller which is electrically connected with the weighing sensor 10, the induced draft fan 14 and the heating element 17 respectively.

When the drying tray is used, the materials are flatly laid on the drying tray 13, and then the drying tray 13 is placed in the guide rail of the tray frame 11. The electric heating element and the induced draft fan 14 are started through the controller, the induced draft fan 14 introduces outside air, cold air is converted into hot air after being heated by the heating element 17, the hot air is transmitted into the hot air duct through the second air pipe 18, the hot air in the hot air duct is less blocked, and the hot air rapidly spreads to the whole hot air duct under the blowing pressure action of the induced draft fan; then the hot air is transmitted into the drying cavity 7 from multiple directions by the strip-shaped air ducts 5 positioned on the left side wall, the right side wall, the rear side wall and the top wall of the drying cavity, so that the material in the drying box is heated uniformly; the hot air evaporates the moisture on the material, and finally the hot air is changed into damp hot air containing a large amount of moisture and is discharged. After the drying is accomplished, artificially stimulate dry tray 13, with the whole taking out of material intercommunication dry tray 13 on the dry tray 13, do not need the material of taking of artificial one, practiced thrift the time, still conveniently maintain, wash or change dry tray 13 simultaneously, the practicality is strong.

Wherein, the top of the drying cavity 7 is provided with an air outlet which is communicated with an air exhaust pipe 19, and the air exhaust pipe 19 is provided with a first electromagnetic valve 20; the outlet end of the exhaust pipe 19 is also communicated with an exhaust fan 21, and the first electromagnetic valve 20 and the exhaust fan 21 are respectively and electrically connected with the controller. The controller turns on the exhaust fan 21 and controls the opening size of the electromagnetic valve to adjust the wind speed and the wind volume of the wet hot air exhausted from the drying chamber 7.

Wherein, the second air duct 18 is provided with a second electromagnetic valve 22, and the second electromagnetic valve 22 is electrically connected with the controller. The opening size of the second electromagnetic valve 22 is controlled by the controller to adjust the speed and volume of the hot air entering the drying chamber 7.

Wherein, the interior top of drying chamber 7 is provided with temperature sensor 23 and humidity transducer 24, and temperature sensor 23, humidity transducer 24 are connected with the controller communication respectively. Humidity sensor 24 can real-time supervision box 1 internal humidity, when humidity sensor 24 detected box 1 internal humidity too big, with information transmission to controller, by opening of controller control exhaust fan 21 and first solenoid valve 20, in time discharges away the moisture from exhaust pipe 19 to improve drying rate. The temperature sensor 23 can monitor the temperature in the box body 1 in real time, when the temperature sensor 23 detects that the temperature in the box body 1 is lower than a set value, a signal is transmitted to the controller, the controller starts the heating element 17 and the induced draft fan 14, and hot air is transmitted into the box body 1 to dry materials in the box body 1; when the temperature sensor 23 detects that the temperature in the box body 1 reaches a set value, a signal is transmitted to the controller, and the controller stops the operation of the heating element 17 and the induced draft fan 14, so that the temperature is controlled within a certain range.

Wherein, the top of drying chamber 7 still is provided with light 4, and light 4 is connected with the controller electricity. When the box door 2 is opened, the lighting lamp 4 is turned on by the controller; when the door 2 is closed, the lighting lamp 4 is turned off by the controller.

Wherein, two pairs of side walls of the drying tray 13 are symmetrically provided with sliding blocks 25, the sliding blocks 25 are arranged in the horizontal guide rail 12 and are connected with the horizontal guide rail 12 in a sliding way; a plurality of through holes are distributed on the bottom and the side wall of the drying tray 13, and a handle 26 is further arranged on one side of the drying tray 13. The through holes are used for supplying hot air to accelerate the drying speed of the material on the drying tray 13. The handle 26 is provided to facilitate the extraction of the drying tray 13 from the guide rail.

Wherein, the air inlet is provided with a dust screen 27. The dust screen 27 can filter dust in the air to prevent the dust from entering the interior of the box 1.

Wherein, still be provided with heat preservation 3 on the box 1 inner wall, heat preservation 3 plays the heat preservation effect to box 1, prevents that the heat from giving off to the external world.

Wherein, the box body 1 is hinged with a box door 2, and the box door 2 is provided with a visible window 28. Under the condition of not opening the box door, the visible window 28 can facilitate the staff to observe the drying effect of the materials inside the box body 1 at any time.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a pull formula electric heat forced air drying cabinet, includes box (1), its characterized in that: the inner cavity of the box body (1) is divided into a heating cavity (6), a drying cavity (7) and a hot air duct (8), the heating cavity (6) is arranged at the bottom of the box body (1), the drying cavity (7) and the hot air duct (8) are both arranged above the heating cavity (6), and the hot air duct (8) is arranged outside the drying cavity (7) in a surrounding manner; the side wall and the top wall of the drying cavity (7) are provided with a plurality of strip-shaped air grooves (5), and the drying cavity (7) is communicated with the hot air duct (8) through the strip-shaped air grooves (5); a weighing platform (9) is arranged on the inner bottom surface of the drying cavity (7), and a weighing sensor (10) is arranged on the weighing platform (9); a tray frame (11) is placed at the top end of the weighing sensor (10), a plurality of layers of horizontal guide rails (12) are symmetrically arranged on two opposite sides in the tray frame (11), and a drawing type drying tray (13) is slidably connected in each layer of horizontal guide rails (12); an air inlet is formed in one side wall of the heating cavity (6), an induced draft fan (14) is arranged in the heating cavity (6), the inlet end of the induced draft fan (14) is opposite to the air inlet, the outlet end of the induced draft fan (14) is communicated with a first air pipe (15), the outlet end of the first air pipe (15) is communicated with an electric heating box (16), a heating element (17) is arranged in the electric heating box (16), one end, far away from the first air pipe (15), of the electric heating box (16) is communicated with a second air pipe (18), and the outlet end of the second air pipe (18) is communicated with the bottom of the hot air duct (8); the device is characterized by further comprising a controller, wherein the controller is electrically connected with the weighing sensor (10), the induced draft fan (14) and the heating element (17) respectively.

2. The drawing type electrothermal blowing dry box according to claim 1, wherein: an air outlet is formed in the top of the drying cavity (7), an air exhaust pipe (19) is communicated with the air outlet, and a first electromagnetic valve (20) is arranged on the air exhaust pipe (19); the outlet end of the exhaust pipe (19) is also communicated with an exhaust fan (21), and the first electromagnetic valve (20) and the exhaust fan (21) are respectively electrically connected with the controller.

3. The drawing type electrothermal blowing dry box according to claim 1, wherein: and a second electromagnetic valve (22) is arranged on the second air pipe (18), and the second electromagnetic valve (22) is electrically connected with the controller.

4. The drawing type electrothermal blowing dry box according to claim 1, wherein: the interior top in dry chamber (7) is provided with temperature sensor (23) and humidity transducer (24), temperature sensor (23), humidity transducer (24) respectively with the controller communication connect.

5. The drawing type electrothermal blowing dry box according to claim 1, wherein: the top of the drying cavity (7) is also provided with a lighting lamp (4), and the lighting lamp (4) is electrically connected with the controller.

6. The drawing type electrothermal blowing dry box according to claim 1, wherein: sliding blocks (25) are symmetrically arranged on two pairs of side walls of the drying tray (13), and the sliding blocks (25) are arranged in the horizontal guide rail (12) and are in sliding connection with the horizontal guide rail (12); a plurality of through holes are distributed on the bottom and the side wall of the drying tray (13), and a handle (26) is further arranged on one side of the drying tray (13).

7. The drawing type electrothermal blowing dry box according to claim 1, wherein: the air inlet is provided with a dust screen (27).

8. The drawing type electrothermal blowing dry box according to claim 1, wherein: the inner wall of the box body (1) is also provided with a heat preservation layer (3).

9. The drawing type electrothermal blowing dry box according to claim 1, wherein: the box body (1) is hinged with a box door (2), and the box door (2) is provided with a visible window (28).