CN217330599U - A high-efficiency tunnel dryer - Google Patents

Abstract

The utility model relates to a drying-machine especially is a high-efficient tunnel drying-machine, the on-line screen storage device comprises a base, fixed surface is connected with the stoving tunnel on the base, stoving tunnel top surface equidistance fixedly connected with pressure release vent, install the solenoid valve in the pressure release vent, stoving tunnel side surface has seted up the feed inlet, the discharge gate has been seted up to stoving tunnel opposite side surface, the equal fixedly connected with stoving dryer in stoving tunnel both sides surface, stoving dryer one side fixed surface is connected with the ventilation net, ventilation net one side fixed surface is connected with drying fan, the utility model discloses in, through humidity inductor, circulating air pump and the dehumidification case that sets up, can dehumidify in to the tunnel, use heated air circulation's mode simultaneously, can prevent effectively that the heat from losing fast, effectively improve drying efficiency.

Description

A high-efficiency tunnel dryer

technical field

The utility model relates to a dryer, in particular to a high-efficiency tunnel dryer.

Background technique

Tunnel dryer is a kind of equipment that conveys materials through a conveyor belt and dries materials during the conveying process. It is controlled by an independent electric box, easy to operate, freely adjustable in conveying speed, stable in operation, and can dry materials for a long time. The use of effective space and large processing capacity is common in industrial production. After the existing tunnel dryer is used for a long time, the internal air humidity will increase, and the humidity will affect the drying efficiency. The temperature is high and the pressure is high, the existing tunnel dryer lacks a safety protection structure, there are potential safety hazards, and the service life will be reduced.

Therefore, a high-efficiency tunnel dryer is required to improve the above problems.

Utility model content

The purpose of the present invention is to provide a high-efficiency tunnel dryer to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A high-efficiency tunnel dryer includes a base, a drying tunnel is fixedly connected to the upper surface of the base, a pressure relief vent is fixedly connected to the top surface of the drying tunnel at an equal distance, and a solenoid valve is installed in the pressure relief vent , the surface of one side of the drying tunnel is provided with a feeding port, the other side surface of the drying tunnel is provided with a discharge port, the surfaces of both sides of the drying tunnel are fixedly connected with a drying air duct, and the drying A ventilation net is fixedly connected to one surface of the drying air duct, a drying fan is fixedly connected to the surface of one side of the ventilation net, an isolation net is fixedly connected to the other surface of the drying air duct, and the outer top of the drying air duct is fixedly connected. A heater is fixedly connected to the surface, a heating pipe is fixedly connected to the lower surface of the heater at an equal distance, an air hood is fixed on the upper side of the drying air duct, and a first circulating air pipe is fixedly connected to the surface of one side of the air hood. A circulating air pump is installed on the first circulating air pipe, a dehumidification box is fixedly connected to the lower end of the first circulating air pipe, a dehumidifying cotton is arranged inside the dehumidifying box, and a second circulating air pipe is fixedly connected to the lower surface of the dehumidifying box.

As a preferred solution of the present invention, a pressure sensor is fixedly connected to the inner top surface of the drying tunnel, a temperature sensor is fixed on one side of the pressure sensor, and a humidity sensor is fixed on the other side of the pressure sensor device.

As a preferred solution of the present invention, both sides of the upper surface of the base are fixedly connected with fixed plates, two of the fixed plates are provided, and a fixed shaft is fixedly connected at an equal distance between the two fixed plates. A driven roller is rotatably connected to the surface of the shaft, a conveying motor is fixedly connected to one side surface of the fixed plate, a rotating shaft is fixedly connected to the output end of the conveying motor, and a driving roller is fixedly connected to the surface of the rotating shaft, and the driving roller is connected to the slave. The moving rollers are connected by a conveyor belt.

As a preferred solution of the present invention, the fixing plate runs through the drying tunnel.

As a preferred solution of the present invention, the heating pipe runs through the drying air duct.

As a preferred solution of the present invention, one end of the second circulating air pipe penetrates the tunnel wall of the drying tunnel.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In the present utility model, the heater is started to heat the heating pipe through the provided humidity sensor, circulating air pump and dehumidification box, and the heated heating pipe exchanges heat with the air around the device to further increase the temperature of the air. The drying fan rotates, and the heated air is further blown to the object through the isolation net, and the object is further dried. As the object is dried, the humidity inside the drying tunnel will increase, thus affecting the drying efficiency. When the humidity is high When the predetermined value is reached, the humidity sensor is sensed, and the circulating air pump is activated to further pump the humid air floating on the top of the drying tunnel into the dehumidification box through the first circulating air pipe, and then dehumidify and dry the dehumidifying cotton through the second circulating air pipe. The air circulates into the drying tunnel, which can dehumidify the tunnel. At the same time, the use of hot air circulation can effectively prevent rapid heat loss and effectively improve drying efficiency.

2. In this utility model, through the set temperature sensor and pressure sensor, when the temperature and pressure value in the drying tunnel exceeds the preset maximum value, the temperature sensor and pressure sensor are sensed and the solenoid valve is opened, further The pressure relief ventilation through the pressure relief vent can effectively protect the dryer, avoid unnecessary accidents, improve the safety of the device, and prolong the service life of the dryer.

Description of drawings

Fig. 1 is the perspective view of the utility model;

Fig. 2 is the front sectional structure schematic diagram of the utility model;

3 is a schematic view of the side sectional structure of the dehumidification box of the present utility model;

FIG. 4 is a schematic view of the side sectional structure of the drying air duct of the present invention.

In the figure: 1. Base; 2. Drying air duct; 3. Drying tunnel; 4. Pressure relief vent; 5. First circulating air pipe; 6. Air hood; 7. Dehumidification box; 8. Circulating air pump; 9 , heater; 10, ventilation net; 11, conveying motor; 12, fixed plate; 13, conveyor belt; 14, feeding port; 15, driving roller; 16, rotating shaft; 17, isolation net; 18, discharge port; 19 , driven roller; 20, fixed shaft; 21, dehumidification cotton; 22, second circulating air pipe; 23, temperature sensor; 24, solenoid valve; 25, pressure sensor; 26, humidity sensor; 27, drying fan ; 28. Heating tube.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The embodiments in the utility model, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present utility model.

In order to facilitate the understanding of the present invention, a more comprehensive description of the present invention will be made below with reference to the related art. Several embodiments of the present invention are given. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Figures 1-4, the utility model provides a technical solution:

Embodiment 1, please refer to Figures 1, 2, 3 and 4, a high-efficiency tunnel dryer, comprising a base 1, the upper surface of the base 1 is fixedly connected with a drying tunnel 3, and the top surface of the drying tunnel 3 is fixedly connected with equidistant distances. The pressure relief vent 4, the solenoid valve 24 is installed in the pressure relief vent 4, the feeding port 14 is provided on one side surface of the drying tunnel 3, the discharging port 18 is provided on the other side surface of the drying tunnel 3, and the drying tunnel 3 3. The surfaces on both sides are fixedly connected with a drying air duct 2, one side surface of the drying air duct 2 is fixedly connected with a ventilation net 10, one side surface of the ventilation net 10 is fixedly connected with a drying fan 27, and the other surface of the drying air duct 2 is fixedly connected. The side surface is fixedly connected with an isolation net 17, the outer top surface of the drying air duct 2 is fixedly connected with a heater 9, the lower surface of the heater 9 is fixedly connected with a heating pipe 28 at an equal distance, and an air hood is fixed on the upper side of the drying air duct 2 6. A first circulating air pipe 5 is fixedly connected to one side surface of the air hood 6, a circulating air pump 8 is installed on the first circulating air pipe 5, and a dehumidification box 7 is fixedly connected to the lower end of the first circulating air pipe 5, and dehumidification cotton is arranged inside the dehumidifying box 7. 21. A second circulating air pipe 22 is fixedly connected to the lower surface of the dehumidification box 7; the heater 9 is started to heat the heating pipe 28, and the heated heating pipe 28 exchanges heat with the air around the device to further increase the temperature of the air, and then start the oven again. The drying fan 27 rotates to further blow the heated air to the object through the isolation net 17 to further dry the object. With the drying of the object, the humidity inside the drying tunnel 3 will increase, thereby affecting the drying efficiency. When the humidity is higher than the predetermined value, the humidity sensor 26 is sensed, and the circulating air pump 8 is activated to further pump the moist air floating on the top of the drying tunnel 3 into the dehumidification box 7 through the first circulating air pipe 5, and then pass the dehumidification of the dehumidifying cotton 21. The drying circulates the hot air into the drying tunnel 3 through the second circulating air pipe 22 .

Embodiment 2, please refer to Figures 1, 2, 3 and 4, a high-efficiency tunnel dryer, comprising a base 1, the upper surface of the base 1 is fixedly connected with a drying tunnel 3, and the top surface of the drying tunnel 3 is fixedly connected with equidistant distances. The pressure relief vent 4, the solenoid valve 24 is installed in the pressure relief vent 4, the feeding port 14 is provided on one side surface of the drying tunnel 3, the discharging port 18 is provided on the other side surface of the drying tunnel 3, and the drying tunnel 3 3. The surfaces on both sides are fixedly connected with a drying air duct 2, one side surface of the drying air duct 2 is fixedly connected with a ventilation net 10, one side surface of the ventilation net 10 is fixedly connected with a drying fan 27, and the other surface of the drying air duct 2 is fixedly connected. The side surface is fixedly connected with an isolation net 17, the outer top surface of the drying air duct 2 is fixedly connected with a heater 9, the lower surface of the heater 9 is fixedly connected with a heating pipe 28 at an equal distance, and an air hood is fixed on the upper side of the drying air duct 2 6. A first circulating air pipe 5 is fixedly connected to one side surface of the air hood 6, a circulating air pump 8 is installed on the first circulating air pipe 5, and a dehumidification box 7 is fixedly connected to the lower end of the first circulating air pipe 5, and dehumidification cotton is arranged inside the dehumidifying box 7. 21. A second circulating air pipe 22 is fixedly connected to the lower surface of the dehumidification box 7; a pressure sensor 25 is fixedly connected to the inner top surface of the drying tunnel 3, one side of the pressure sensor 25 is fixedly provided with a temperature sensor 23, and the other side of the pressure sensor 25. A humidity sensor 26 is fixed on one side; when the temperature and pressure values in the drying tunnel 3 exceed the preset maximum values, the temperature sensor 23 and the pressure sensor 25 are sensed and the solenoid valve 24 is opened, and the pressure relief ventilation is further passed. Port 4 for pressure relief ventilation.

Embodiment 3, please refer to Figures 1, 2, 3 and 4, both sides of the upper surface of the base 1 are fixedly connected with fixed plates 12, two fixed plates 12 are provided, and two fixed plates 12 are fixedly connected at equal distances with a fixed plate 12. The shaft 20, the surface of the fixed shaft 20 is rotatably connected with the driven roller 19, the surface of a fixed plate 12 is fixedly connected with the conveying motor 11, the output end of the conveying motor 11 is fixedly connected with the rotating shaft 16, and the surface of the rotating shaft 16 is fixedly connected with the driving roller 15, The driving roller 15 and the driven roller 19 are connected by a transmission belt 13; the fixed plate 12 penetrates the drying tunnel 3; the heating pipe 28 penetrates the drying air duct 2;

Working principle: When using, put the object to be dried on the conveyor belt 13, start the conveying motor 11 to rotate, the conveying motor 11 rotates to further drive the rotation of the rotating shaft 16, the rotation of the rotating shaft 16 further drives the driving roller 15 to rotate, and the rotation of the driving roller 15 further drives the conveyor belt 13 movement, the movement of the conveyor belt 13 further drives the object to enter the drying tunnel 3 through the feeding port 14, and the heater 9 is started to heat the heating tube 28, and the heated heating tube 28 exchanges heat with the air around the device, further improving the air quality temperature, and then start the drying fan 27 to rotate, and further blow the heated air to the object through the isolation net 17 to further dry the object. With the drying of the object, the humidity inside the drying tunnel 3 will increase, thereby affecting the Drying efficiency, when the humidity is higher than a predetermined value, the humidity sensor 26 is sensed, and the circulating air pump 8 is activated to further pump the moist air floating on the top of the drying tunnel 3 into the dehumidification box 7 through the first circulating air pipe 5, and then pass through The dehumidification and drying of the dehumidifying cotton 21 circulates the hot air into the drying tunnel 3 through the second circulating air pipe 22. When the temperature and pressure in the drying tunnel 3 exceed the preset maximum value, the temperature sensor 23 and the pressure sensor 25 are affected by Induct and open the solenoid valve 24, and further carry out pressure relief and ventilation through the pressure relief vent 4. The above-mentioned humidity sensor 26 is an AM2320 humidity sensor, the temperature sensor 23 is a PT100 temperature sensor, and the pressure sensor 25 is a 4-20mA pressure sensor.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A high-efficiency tunnel dryer, comprising a base (1), characterized in that: the upper surface of the base (1) is fixedly connected with a drying tunnel (3), and the top surface of the drying tunnel (3) is equidistant from the top surface. A pressure relief vent (4) is fixedly connected, a solenoid valve (24) is installed in the pressure relief vent (4), and a feed port (14) is opened on one side surface of the drying tunnel (3), so The other side surface of the drying tunnel (3) is provided with a discharge port (18), and both sides of the drying tunnel (3) are fixedly connected with a drying air duct (2), and the drying air duct ( 2) A ventilation net (10) is fixedly connected on one side surface, a drying fan (27) is fixedly connected on one side surface of the ventilation net (10), and a drying fan (27) is fixedly connected on the other side surface of the drying air duct (2); An isolation net (17), a heater (9) is fixedly connected to the outer top surface of the drying air duct (2), and a heating pipe (28) is fixedly connected to the lower surface of the heater (9) at an equidistant distance. An air hood (6) is fixedly arranged on the upper side of the drying air duct (2), a first circulating air pipe (5) is fixedly connected to one side surface of the air hood (6), and a first circulating air pipe (5) is installed on the first circulating air pipe (5). A circulating air pump (8), a dehumidification box (7) is fixedly connected to the lower end of the first circulating air pipe (5), a dehumidification cotton (21) is arranged inside the dehumidification box (7), and the lower surface of the dehumidification box (7) A second circulating air pipe (22) is fixedly connected. 2. A high-efficiency tunnel dryer according to claim 1, characterized in that: a pressure sensor (25) is fixedly connected to the inner top surface of the drying tunnel (3), and the pressure sensor (25) A temperature sensor (23) is fixed on one side, and a humidity sensor (26) is fixed on the other side of the pressure sensor (25). 3. A high-efficiency tunnel dryer according to claim 1, characterized in that: both sides of the upper surface of the base (1) are fixedly connected with a fixing plate (12), and the fixing plate (12) is provided with Two, a fixed shaft (20) is fixedly connected at an equidistant distance between the two fixed plates (12), and a driven roller (19) is rotatably connected to the surface of the fixed shaft (20), and one of the fixed plates (12) ) on one side surface is fixedly connected with a conveying motor (11), the output end of the conveying motor (11) is fixedly connected with a rotating shaft (16), the surface of the rotating shaft (16) is fixedly connected with a driving roller (15), and the driving roller (15) is connected with the driven roller (19) through a transmission belt (13). 4. A high-efficiency tunnel dryer according to claim 3, characterized in that: the fixing plate (12) runs through the drying tunnel (3). 5 . The high-efficiency tunnel dryer according to claim 1 , wherein the heating pipe ( 28 ) runs through the drying air duct ( 2 ). 6 . 6 . The high-efficiency tunnel dryer according to claim 1 , wherein one end of the second circulating air pipe ( 22 ) penetrates through the tunnel wall of the drying tunnel ( 3 ). 7 .

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