CN220524492U - Multi-channel circulating hot air dryer - Google Patents

Abstract

The utility model discloses a multi-channel circulating hot air dryer, in particular to the technical field of hot air dryers, which comprises a dryer box body, wherein one side of the dryer box body is connected with a hot air pipe, an electromagnetic valve is arranged in the hot air pipe, a plurality of air inlet pipes are connected between the hot air pipe and the dryer box body, one side of the dryer box body is provided with a circulating mechanism, and the circulating mechanism comprises a hot air circulating box. According to the utility model, the circulating mechanism is arranged, the air is uniformly dispersed through the plurality of air inlet pipes, so that the drying effect is improved, the hot air circulation is realized, the condition that hot air is wasted when being used once is avoided, the utilization rate of heat in the hot air is greatly improved, a large amount of heat energy is avoided to be wasted, meanwhile, the hot air is continuously filtered in the circulating process, the heat energy loss of the hot air is smaller every time, the energy required by secondary heating through the heating wire is smaller, and the energy-saving and environment-friendly effects are realized.

Description

Multi-channel circulating hot air dryer

Technical field

The utility model relates to the technical field of hot air dryers, and more specifically, the utility model relates to a multi-channel circulating hot air dryer.

Background technique

Hot air dryer is a device that uses the principle of heat pump and sensible heat exchange technology to provide high-temperature hot air. It is widely used in printing and other industries. Compared with traditional electric heating, the energy saving ratio is as high as 60%-90%.

Chinese Patent Application No. CN202220405048.0 provides a hot air dryer, which includes a frame. It is characterized in that a conveyor belt is installed on the frame, and a box is installed on the frame. Both ends of the box have openings. The upper part of the box is connected with an electric hot air blower for inputting hot air. One end of the frame is rotatably connected to one end of the operating table. There is a telescopic rod between the other end of the operating table and one end of the frame. A mounting plate is fixed on the other end of the frame. The mounting plate is slidably mounted. There is a guide rail, a sliding seat is provided slidingly on the guide rail, and a placing plate for placing the material frame is fixed on the sliding seat;

During the use of this hot air dryer, hot air is introduced into the interior of the box to quickly dry the items that need to be dried. However, during the hot air circulation process, a large amount of hot air is blown out at once and then directly discharged. The hot air is still in the There is a large amount of heat energy that is not utilized, resulting in energy waste.

Utility model content

The technical solution of the present utility model aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technical solutions. In order to overcome the problems and defects in the prior art, the present utility model provides a multi-channel circulating hot air dryer to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a multi-channel circulating hot air dryer, including a dryer box, a hot air duct is connected to one side of the dryer box, and a hot air duct is installed inside the dryer box. An electromagnetic valve, multiple air inlet pipes are connected between the hot air duct and the dryer box, and a circulation mechanism is provided on one side of the dryer box;

The circulation mechanism includes a hot air circulation box. The hot air circulation box is installed on one side of the dryer box. A circulating air duct is connected to the top of the hot air circulating box. One end of the top of the circulating air duct is connected to a drying box. The drying box A drying plate is installed inside the drying box. A heating wire is installed on one side of the drying box close to the drying plate. An exhaust pipe is connected to one side of the drying box. An air pump is installed in the middle of the exhaust pipe. The exhaust pipe A jet cover is installed at the bottom;

A storage rack is installed at the bottom of the inner wall of the dryer box, a plurality of support rods are installed inside the storage rack, and a filter assembly is installed inside the hot air circulation box.

Preferably, the filter assembly includes a rotating baffle, which is hinged on the top side of the inner wall of the hot air circulation box. A spring is installed on one side of the rotating baffle, and one end of the spring is fixed to the inner wall of the hot air circulation box. Connection, a filter is installed inside the hot air circulation box near the bottom of the circulating air duct.

It can be seen that in the above technical solution, the impurities in the hot air are filtered through the filter to prevent the impurities from always following the hot air circulation, and at the same time, the impurities are prevented from entering the air extraction pump and affecting its normal operation.

Preferably, the bottom of the circulating air duct runs through the hot air circulation box and extends to the inside of the hot air circulation box. A discharge pipe is connected to the bottom of the hot air circulation box, and a valve is installed at the bottom of the discharge pipe.

It can be seen that in the above technical solution, the impurities in the hot air are easily collected into the hot air circulation box and discharged through the discharge pipe.

Preferably, the drying plate is a solid desiccant, the number of the heating wires is set to be multiple, and the bottom of the exhaust pipe penetrates the dryer box and extends to the inside of the dryer box.

It can be seen that in the above technical solution, the circulating hot air can be dried through the drying plate and the heating wire to prevent the humid hot air from circulating into the dryer box and affecting the drying efficiency.

Preferably, a drainage groove is provided on the inner bottom surface of the dryer box, a connecting water pipe is connected to the bottom of the dryer box, and a water storage tank is provided at the bottom of the connecting water pipe.

It can be seen that the above technical solution facilitates the water flowing up and down the drying items inside the dryer box to enter the water storage tank, thereby preventing water from affecting the drying effect and drying efficiency in the dryer box.

Preferably, a drainage pipe is connected to one side of the water storage tank, and a threaded pipe is threadedly connected inside the drainage pipe.

It can be seen that the above technical solution facilitates centralized collection and processing of water flowing down the surface of the drying items.

Preferably, the drying box is installed on the top side of the dryer box, and the cross-sectional shape of the circulating air duct is set to be L-shaped.

It can be seen that in the above technical solution, the drying box is installed on the top of the dryer box to ensure the stability of the drying box, and the L-shaped circulating air duct facilitates the circulation of hot air into the inside of the drying box.

Technical effects and advantages of this utility model:

1. By setting up a circulation mechanism, air is evenly distributed into the inside of the dryer box through multiple air inlet ducts to improve the drying effect. At the same time, the hot air is circulated so that the hot air passing through the items passes through the inside of the drying box each time. After drying and reheating, it is circulated to the inside of the dryer box, and hot air is ejected from different tops to further improve the drying effect. Compared with the existing technology, hot air circulation is realized to avoid the waste of hot air after one use, which greatly improves the efficiency of the drying process. It improves the utilization rate of heat in the hot air and avoids a large amount of heat energy being wasted. At the same time, the hot air is continuously filtered during the circulation process. The heat energy loss of the hot air is smaller each time, and the energy required for secondary heating through the heating wire is also smaller, which is more energy-saving and environmentally friendly;

2. By setting a rotating baffle inside the hot air circulation box, when drying is stopped and the hot air flows through the hot air circulation box, the hot air will not push the rotating baffle, so that the spring can make the rotating baffle rebound and push the hot air The impurities between the circulation box and the rotating baffle are trapped inside the hot air circulation box, preventing the impurities from flowing back through the space between the rotating baffle and the hot air circulation box, so that all impurities can be discharged through the discharge pipe. At the same time, the water storage tank can dry the The water in the dryer box is collected and discharged in a centralized manner to prevent water from affecting the drying efficiency in the dryer box.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Figure 2 is a schematic diagram of the internal structure of the hot air circulation box of the utility model.

Figure 3 is a schematic top view of the structure of the storage rack of the present utility model.

Figure 4 is an enlarged structural schematic diagram of position A in Figure 1 of the present utility model.

The reference numbers are: 1. Dryer box; 2. Hot air duct; 3. Electromagnetic valve; 4. Air inlet duct; 5. Hot air circulation box; 6. Circulating air duct; 7. Drying box; 8. Drying plate ; 9. Heating wire; 10. Exhaust pipe; 11. Air pump; 12. Jet cover; 13. Storage rack; 14. Rotating baffle; 15. Spring; 16. Filter; 17. Discharge pipe; 18. Valve; 19. Drainage channel; 20. Connecting water pipe; 21. Water storage tank; 22. Drainage pipe; 23. Threaded pipe; 24. Support rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

The multi-channel circulating hot air dryer shown in Figures 1-4 includes a dryer box 1, a hot air duct 2 is connected to one side of the dryer box 1, and an electromagnetic valve 3 is installed inside the hot air duct 2. A plurality of air inlet ducts 4 are connected between the hot air duct 2 and the dryer box 1, and a circulation mechanism is provided on one side of the dryer box 1;

The circulation mechanism includes a hot air circulation box 5. The hot air circulation box 5 is installed on one side of the dryer box 1. The top of the hot air circulation box 5 is connected to a circulating air duct 6. One end of the top of the circulating air duct 6 is connected to a drying box 7. Inside the drying box 7 A drying plate 8 is installed. A heating wire 9 is installed inside the drying box 7 close to the drying plate 8. An exhaust pipe 10 is connected to one side of the drying box 7. An air extraction pump 11 is installed in the middle of the exhaust pipe 10. The bottom of the exhaust pipe 10 Installed with jet cover 12;

A storage rack 13 is installed at the bottom of the inner wall of the dryer box 1. A plurality of support rods 24 are installed inside the storage rack 13. A filter assembly is installed inside the hot air circulation box 5.

As shown in Figures 1 and 2, the filter assembly includes a rotating baffle 14. The rotating baffle 14 is hinged on the top side of the inner wall of the hot air circulation box 5. A spring 15 is installed on one side of the rotating baffle 14. One end of the spring 15 is connected to the hot air circulation box. 5 inner walls are fixedly connected. A filter 16 is installed inside the hot air circulation box 5 near the bottom of the circulating air duct 6. The bottom of the circulating air duct 6 runs through the hot air circulation box 5 and extends to the inside of the hot air circulation box 5. The bottom of the hot air circulation box 5 is connected with The discharge pipe 17 has a valve 18 installed at the bottom of the discharge pipe 17 to facilitate filtering and intercepting impurities in the circulating hot air.

As shown in Figures 1 and 4, the drying plate 8 is a solid desiccant, the number of heating wires 9 is set to multiple, the bottom of the exhaust pipe 10 runs through the dryer box 1 and extends to the inside of the dryer box 1, which can Hot air is used for drying to improve drying effect and efficiency.

As shown in Figure 1, a drainage channel 19 is provided on the inner bottom surface of the dryer box 1. A connecting water pipe 20 is connected to the bottom of the dryer box 1. A water storage tank 21 is provided at the bottom of the connecting water pipe 20 to facilitate drainage of the dryer box 1. water to prevent water from affecting the drying efficiency inside the dryer box 1. A drainage pipe 22 is connected to one side of the water storage tank 21. A threaded pipe 23 is threaded inside the drainage pipe 22. The drainage pipe 22 can be screwed into the drain pipe 22 through the threaded pipe 23. The pipe 22 is sealed to prevent water from the water storage tank 21 from flowing out directly.

As shown in Figures 1 and 4, the drying box 7 is installed on the top side of the dryer box 1 to ensure the stability of the drying box 7. The cross-sectional shape of the circulating air duct 6 is set to be L-shaped to facilitate hot air passing through the circulating air duct 6. Make a loop.

The working principle of the utility model: During the use of the multi-channel circulating hot air dryer provided by the utility model, the hot air enters the hot air duct 2 and is distributed and evenly discharged into the dryer box through the multiple air inlet ducts 4 1, the items above the storage rack 13 inside the dryer box 1 are dried. At the same time, the water on the items flows down through the gap between the storage rack 13 and the support rod 24, and flows into the connecting water pipe 20 through the drainage channel 19. Then, the water is collected and processed through the water storage tank 21. After ventilation for a period of time, the electromagnetic valve 3 is closed, and then the passing hot air enters the hot air circulation box 5. At the same time, the air pump 11 installed in the middle of the exhaust pipe 10 is opened, and then the When the hot air enters the hot air circulation box 5, it squeezes the rotating baffle 14, causing the rotating baffle 14 to rotate. At the same time, the spring 15 is compressed, and the elastic force of the spring 15 keeps the distance between the rotating baffle 14 and the inner wall of the hot air circulation box 5 small. opening, the hot air is filtered through the filter 16. Most of the dust and impurities carried by the hot air after passing through the items will be trapped inside the hot air circulation box 5 by the rotating baffle 14 and the filter 16. Later, it can be discharged through the discharge pipe 17, and at the same time, the hot air passes through the circulation The air duct 6 circulates into the drying box 7, and is dried through the drying plate 8 inside the drying box 7. It is then heated again by the heating wire 9 and sprayed out through the air hood 12, so that the hot air is circulated and sprayed to the items on the shelf 13. Directly above, the hot air can be reused multiple times to improve the energy utilization rate of the hot air.

Finally: the above embodiments are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims (7)

1. A multi-channel circulating hot air dryer, including a dryer box (1), characterized in that: a hot air duct (2) is connected to one side of the dryer box (1), and the hot air duct (2) 2) An electromagnetic valve (3) is installed inside, and multiple air inlet ducts (4) are connected between the hot air duct (2) and the dryer box (1). A circulation mechanism is provided on one side; The circulation mechanism includes a hot air circulation box (5). The hot air circulation box (5) is installed on one side of the dryer box (1). A circulating air duct (6) is connected to the top of the hot air circulation box (5). A drying box (7) is connected to the top end of the circulating air duct (6). A drying plate (8) is installed inside the drying box (7). The inside of the drying box (7) is close to the drying plate (8). A heating wire (9) is installed, an exhaust pipe (10) is connected to one side of the drying box (7), and an air extraction pump (11) is installed in the middle of the exhaust pipe (10). ) A jet cover (12) is installed at the bottom; A storage rack (13) is installed at the bottom of the inner wall of the dryer box (1). A plurality of support rods (24) are installed inside the storage rack (13). A filter assembly is installed inside the hot air circulation box (5). . 2. The multi-channel circulating hot air dryer according to claim 1, characterized in that: the filter assembly includes a rotating baffle (14), and the rotating baffle (14) is hinged to the hot air circulation box (5) On the top side of the inner wall, a spring (15) is installed on one side of the rotating baffle (14). One end of the spring (15) is fixedly connected to the inner wall of the hot air circulation box (5). The hot air circulation box (5) A filter (16) is installed inside near the bottom of the circulating air duct (6). 3. The multi-channel circulating hot air dryer according to claim 1, characterized in that: the bottom of the circulating air duct (6) penetrates the hot air circulation box (5) and extends to the inside of the hot air circulation box (5), so A discharge pipe (17) is connected to the bottom of the hot air circulation box (5), and a valve (18) is installed at the bottom of the discharge pipe (17). 4. The multi-channel circulating hot air dryer according to claim 1, characterized in that: the drying plate (8) is a solid desiccant, the number of the heating wires (9) is set to multiple, and the The bottom of the exhaust pipe (10) penetrates the dryer box (1) and extends to the inside of the dryer box (1). 5. The multi-channel circulating hot air dryer according to claim 1, characterized in that: a drainage groove (19) is provided on the inner bottom surface of the dryer box (1). ) is connected to a connecting water pipe (20) at the bottom, and a water storage tank (21) is provided at the bottom of the connecting water pipe (20). 6. The multi-channel circulating hot air dryer according to claim 5, characterized in that: a drainage pipe (22) is connected to one side of the water storage tank (21), and the drainage pipe (22) is threadedly connected to the inside. Threaded pipe (23). 7. The multi-channel circulating hot air dryer according to claim 1, characterized in that: the drying box (7) is installed on the top side of the dryer box (1), and the circulating air duct (6) The cross-sectional shape is set to L-shape.