Vertical hot air circulation PTC electric dryer

Abstract

The utility model provides a vertical hot air circulation PTC (Positive Temperature Coefficient) electric dryer, which is characterized in that a hot air box is arranged at the bottom in a box body, an exhaust outlet is arranged at the top of the box body, the exhaust outlet is communicated with an exhaust pipe, the lower end of the exhaust pipe is connected with the air inlet end of a dehumidifier, the air outlet end of the dehumidifier is connected with the air inlet end of an air heater through a pipeline, and an air outlet pipe is arranged at the air outlet end of the air heater; the lower end of the air outlet pipe communicates with one end of the hot air box, the hot air box is provided with a plurality of air outlets which are longitudinally arranged, and the widths of the air outlets are gradually increased from near to far according to the distances between the air outlets and the air outlet pipe. According to the device, through circulating hot air supply and optimized air outlet design, uniform and efficient drying is achieved, and the drying quality is improved; and an adjustable air volume control structure can meet the drying requirements of different materials, and the universality of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dryers, in particular to a vertical hot air circulation PTC electric dryer. Background Art

[0002] Drying is a crucial process in modern industrial and agricultural production. Traditional dryers often suffer from low energy efficiency, uneven drying results, and poor humidity control. For example, some dryers distribute heat unevenly, resulting in overdrying of some materials and underdrying of others. Some equipment also has inadequate dehumidification functions, leading to high humidity in the drying environment, impacting drying efficiency and quality. Other dryers have complex structures, making operation and maintenance difficult and increasing operational costs. Utility Model Content

[0003] Based on the above technical problems, the utility model proposes a vertical hot air circulation PTC electric dryer.

[0004] A vertical hot air circulation PTC electric dryer includes: a box body, a dehumidifier, and a hot air blower. A hot air box is provided at the bottom of the box body, and an exhaust port is provided on the top of the box body. The exhaust port is connected to an exhaust pipe. The lower end of the exhaust pipe is connected to the air inlet end of the dehumidifier. The air outlet end of the dehumidifier is connected to the air inlet end of the hot air blower through a pipe. The air outlet end of the hot air blower is provided with an outlet pipe. The lower end of the outlet pipe is connected to one end of the hot air box. A plurality of air outlets are provided on the hot air box. The air outlets are arranged longitudinally, and the width of the air outlets gradually increases from near to far according to the distance from the outlet pipe.

[0005] Preferably, an exhaust fan is provided at the exhaust port, and the exhaust fan is connected to the exhaust pipe.

[0006] Preferably, there is an air inlet pipe on the outside of the hot air blower, and a dehumidification and dust removal plate is provided in the air inlet pipe.

[0007] Preferably, the right end of the hot air box is close to the lower end of the air outlet pipe, and the right end of the hot air box is provided with a duct box, and the duct box is provided with multiple hot air outlets, each of the hot air outlets is connected to the front end of a small air box, and the rear end of the small air box is connected to the hot air box.

[0008] Preferably, the right end of the hot air box is provided with an opening corresponding to the hot air outlet one by one, the small air box is sealed and installed at the opening, and an electric heating wire is provided in the small air box.

[0009] Preferably, a rear plate is provided at the rear end of the small bellows, and vertical vents with uniform spacing are opened on the rear plate. A slot is also provided on the rear plate, and a wind shield is provided in the slot. A wind shield is provided at each vent, and a horizontal plate is provided at the upper end of the wind shield, and the length of the horizontal plate is less than the length of the slot.

[0010] Preferably, the width of the wind shield is greater than the width of the vents and not greater than the length between two vents.

[0011] Beneficial effects: First, this device achieves uniform and efficient drying and improves the drying quality through circulating hot air supply and optimized air outlet design. Secondly, the setting of dehumidifier and dehumidification and dust removal plate improves the drying environment and further improves the drying efficiency. Thirdly, the adjustable air volume control structure can meet the drying needs of different materials and increase the versatility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Shows a schematic structural diagram of the utility model;

[0013] Figure 2 Shows a schematic structural diagram of the hot air circulation of the utility model;

[0014] Figure 3 The schematic diagram of the structure of the small bellows of the utility model is shown. DETAILED DESCRIPTION

[0015] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0016] like Figures 1 to 3The figure shows a vertical hot air circulation PTC electric dryer with superior performance. The dryer includes a box body 1, a dehumidifier 6, and a hot air blower 7. The front side of the box body 1 is an openable door 2. The bottom of the box body 1 is provided with a hot air box 12. The top of the box body 1 is provided with an exhaust port 3, which is connected to an exhaust pipe 5. The lower end of the exhaust pipe 5 is connected to the air inlet end of the dehumidifier 6. The exhausted moisture is recycled after being processed by the dehumidifier 6 to improve energy utilization efficiency. The air outlet end of the dehumidifier 6 is connected to the air inlet end of the hot air blower 7 through a pipe. The hot air blower 7 can generate The hot air will provide power for the generated hot air to be sent out. A drain pipe 9 is set at the bottom of the dehumidifier 6, and a water collecting box 10 is set at the lower end of the drain pipe 9. The air outlet end of the hot air blower 7 is provided with an air outlet pipe 8. The lower end of the air outlet pipe 8 is connected with one end of the hot air box 12 to realize the circulation supply of hot air. A plurality of air outlets 13 are provided on the hot air box 12. The air outlet 13 is arranged longitudinally, and the width of the air outlet 13 gradually increases from near to far according to the distance from the air outlet pipe 8 to ensure that all parts in the box body 1 are heated evenly.

[0017] As a further improvement, an exhaust fan 4 is provided at the exhaust port 3. Starting the exhaust fan 4 can speed up the discharge of moisture.

[0018] An air inlet pipe 701 is set on the outside of the hot air blower 7, and the air inlet pipe 701 can be set to a controlled opening and closing structure. When started, the air inlet pipe 701 is opened. After the hot air circulation is completed, the air inlet pipe 701 is completely closed or mostly closed. A dehumidification and dust removal plate is set in the air inlet pipe 701 to improve the quality of the incoming air.

[0019] As a further improvement, the right end of the hot air box 12 is close to the lower end of the air outlet pipe 8, and the right end of the hot air box 12 is provided with a duct box 11. The duct box 11 is provided with multiple hot air outlets, and each hot air outlet is connected to the front end of a small air box 14. The rear end of the small air box 14 is connected to the hot air box 12 to achieve more refined hot air distribution.

[0020] As a further improvement, the right end of the hot air box 12 is provided with an opening 15 corresponding to the hot air outlet, and the small air box 14 is sealed at the opening 15. The hot air outlet can be connected with the front end of the small air box 14, and the rear end of the small air box 14 is connected with the hot air box 12. An electric heating wire is provided in the small air box 14. The electric heating wire can be multi-layered and arranged in the form of a coil. When high-speed hot air is required, the electric heating wire can be started to enhance the heating effect.

[0021] As a further improvement, the rear end of the small bellows 14 is provided with a rear plate 16, and the rear plate 16 is provided with vertical vents 17 with uniform spacing. A slot 18 is also provided on the rear plate 16, and a wind shield 19 is provided in the slot 18. A wind shield 19 is provided at each vent 17, and a horizontal plate 20 is provided at the upper end of the wind shield 19. The length of the horizontal plate 20 is less than the length of the slot 18. By moving the horizontal plate 20 horizontally, the wind shield 19 is driven to move, thereby changing the size of the vent 17 to facilitate adjustment of the air volume.

[0022] As a further improvement, the width of the wind shield 19 is greater than the width of the vents 17 and no greater than the length between the two vents 17 to ensure the wind shielding effect.

[0023] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A vertical hot air circulation PTC electric dryer, characterized in that: include: A box body, a dehumidifier, and a hot air blower. A hot air box is provided at the bottom of the box body, an exhaust port is provided on the top of the box body, the exhaust port is connected to the exhaust pipe, the lower end of the exhaust pipe is connected to the air inlet end of the dehumidifier, the air outlet end of the dehumidifier is connected to the air inlet end of the hot air blower through a pipe, the air outlet end of the hot air blower is provided with an outlet pipe, the lower end of the outlet pipe is connected to one end of the hot air box, a plurality of air outlets are provided on the hot air box, the air outlets are arranged longitudinally, and the width of the air outlets gradually increases from near to far according to the distance from the outlet pipe.

2. The vertical hot air circulation PTC electric dryer according to claim 1, characterized in that: An exhaust fan is provided at the exhaust port, and the exhaust fan is connected to the exhaust pipe.

3. The vertical hot air circulation PTC electric dryer according to claim 1, characterized in that: An air inlet pipe is arranged on the outside of the hot air blower, and a dehumidification and dust removal plate is arranged in the air inlet pipe.

4. The vertical hot air circulation PTC electric dryer according to claim 1, characterized in that: The right end of the hot air box is close to the lower end of the air outlet pipe. The right end of the hot air box is provided with a duct box. The duct box is provided with multiple hot air outlets. Each of the hot air outlets is connected to the front end of a small air box, and the rear end of the small air box is connected to the hot air box.

5. The vertical hot air circulation PTC electric dryer according to claim 4, characterized in that: The right end of the hot air box is provided with an opening corresponding to the hot air outlet one by one, and the small air box is sealed and installed at the opening. The small air box is provided with an electric heating wire.

6. The vertical hot air circulation PTC electric dryer according to claim 5, characterized in that: A rear plate is provided at the rear end of the small bellows, and vertical vents with uniform spacing are opened on the rear plate. A slot is also provided on the rear plate, and a wind shield is provided in the slot. A wind shield is provided at each vent, and a horizontal plate is provided at the upper end of the wind shield, and the length of the horizontal plate is less than the length of the slot.

7. The vertical hot air circulation PTC electric dryer according to claim 6, characterized in that: The width of the wind shield is greater than the width of the vents and is not greater than the length between two vents.

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