Novel hot air circulation device for sheet dryer

Abstract

The utility model discloses a novel hot air circulation device for a sheet drying machine, which belongs to the technical field of sheet drying machines, and is characterized by comprising a drying machine body, an air duct assembly is arranged on the inner wall of the drying machine body, and the two sides of the air duct assembly are respectively connected with a connecting frame in a bolted mode. The bottom of the connecting frame fixedly communicates with a first induced draft fan assembly, the rear side of the first induced draft fan assembly is in bolted connection with a heating mechanism, an air suction channel is formed in the top of the dryer body, and heat recoverers are arranged on the two sides of the air suction channel. The problems that in the prior art, a dryer is generally used for direct drying work, hot air obtained after drying can be directly dissipated to the outside and is not convenient to recycle, then the dryer can convert external cold air into hot air, the hot air continues to conduct drying work, energy is consumed in the heating process of the dryer, and therefore the using effect is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet material drying machines, in particular to a novel hot air circulation device for sheet material drying machines. Background Art

[0002] Dryer, also known as drying machine, is mainly used for drying materials with a certain humidity in mineral processing, building materials, metallurgy, chemical industry and other departments. Dryer equipment has strong adaptability to materials and can dry various materials. The equipment is simple and reliable to operate, so it is widely used. Drying equipment is mainly composed of rotating body, lifting plate, transmission device, support device and sealing ring and other components.

[0003] At present, a Chinese patent with announcement number CN215930347U discloses a hot air circulation dryer for producing seasonings, and the key points of its technical solution are: it includes a base, a drying box is fixedly arranged on the base, a dryer is connected to the right side of the drying box, a drying plate is fixedly arranged in the drying box, the drying plates are respectively a concave plate and a convex plate, the concave plate and the convex plate are slidably connected, the concave plate and the lower plate are both provided with drying holes, a gauze is arranged in the drying holes of the concave plate, and the bottom of the drying head of the dryer is connected to the drying plate; the left side of the drying plate is connected to a circulation pipe, the circulation pipe is fixedly arranged in the drying box, a heating wire is arranged in the upper end circulation pipe, the heating wire is electrically connected to the heating device, and the upper end circulation pipe is provided with an air outlet; this utility model can realize multi-directional, efficient and reasonable drying, and can also realize hot air circulation while avoiding excessive attenuation of heat energy.

[0004] Sheet dryers are often used in sheet processing, but most of the existing sheet dryers are not equipped with hot air circulation devices. Usually, the dryer is used for direct drying. The hot air after drying will directly dissipate to the outside, which is not convenient for recycling. Then the dryer will convert the cold air from the outside into hot air, so that the hot air continues to dry. The heating process of the dryer is relatively energy-consuming and inconvenient for users. Utility Model Content

[0005] The utility model provides a novel hot air circulation device for a sheet material dryer, aiming to solve the problem that most existing sheet material dryers are not provided with a hot air circulation device, and usually the dryer is used for direct drying, and the hot air after drying will be directly dissipated in the outside, which is not convenient for recycling. Then the dryer will convert the cold air from the outside into hot air, so that the hot air continues to perform the drying work, and the heating process of the dryer is relatively energy-consuming, thereby affecting the use effect.

[0006] The utility model is implemented as follows: a novel hot air circulation device for a sheet material drying machine comprises a drying machine body, an air duct assembly is arranged on the inner wall of the drying machine body, a connecting frame is bolted to both sides of the air duct assembly, a first induced draft fan assembly is fixedly connected to the bottom of the connecting frame, a heating mechanism is bolted to the rear side of the first induced draft fan assembly, an air suction duct is arranged on the top of the drying machine body, and a heat recovery device is arranged on both sides of the air suction duct;

[0007] The heating mechanism includes a connecting block, a mounting frame and a heat exchanger, wherein the front side of the connecting block is fixedly connected to the rear side of the mounting frame, the front side of the mounting frame is fixedly connected to the rear side of the heat exchanger, and the front side of the heat exchanger is fixedly connected to the rear side of the first induced draft fan assembly.

[0008] In order to achieve the effect of fixed connection between the connecting frame and the heat recovery device, as a preferred new hot air circulation device for a sheet drying machine of the utility model, the front side of the heat recovery device is fixedly connected with a connecting frame, and the side of the connecting frame close to the suction duct is fixedly connected with the suction duct.

[0009] In order to achieve the effect of fixed connection between the connecting pipe and the heat recovery device, as a preferred new hot air circulation device for a sheet drying machine of the utility model, the rear side of the heat recovery device is fixedly connected with a connecting pipe, and the front side of the connecting pipe is fixedly connected with an air outlet block.

[0010] In order to achieve the effect of fixing the position of the second induced draft fan assembly, as a preferred new hot air circulation device for a sheet drying machine of the utility model, the front side of the air outlet block is fixedly connected to the second induced draft fan assembly, and the bottom of the heat recovery device is fixedly connected to the top of the connecting block.

[0011] In order to achieve the effect of fixing the position of the motor, as a preferred new hot air circulation device for a sheet material drying machine of the utility model, a motor is arranged on the front side of the first induced draft fan assembly, and a fixing block is bolted to the right side of the motor.

[0012] In order to achieve the effect of fixing the position of the fixed plate, as a preferred new hot air circulation device for a sheet drying machine of the utility model, a fixed plate is bolted to the right side of the fixed block, and the rear side of the fixed plate is bolted to the front side of the first induced draft fan assembly.

[0013] In order to achieve the effect of the motor driving the shaft to rotate, as a preferred new hot air circulation device for a sheet material drying machine of the utility model, the output end of the motor is bolted with a shaft, and the surface of the shaft is rotatably connected to the inner wall of the first induced draft fan assembly.

[0014] In order to achieve the effect of the transmission frame rotating on the inner wall of the dryer body, as a preferred new hot air circulation device for a sheet material dryer of the utility model, the inner wall of the dryer body is rotatably connected with the transmission frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The sheet dryer uses a novel hot air circulation device, which is provided with a dryer body, an air duct assembly, a connecting frame, a first induced draft fan assembly, a heating mechanism, an air suction duct and a heat recovery device. When in use, it is fixedly connected with the mounting frame through a connecting block, and the mounting frame is fixedly connected with the heat exchanger. Then the staff injects heat transfer oil into the inner wall of the heat exchanger to make the first induced draft fan assembly output, so that the hot air is transmitted to the inner wall of the air duct assembly through the connecting frame, so that the air duct assembly dries the sheet. Then the air suction duct will suck the hot air containing moisture, so that the air suction duct will transmit the moist air to the inner wall of the heat recovery device, and the moist air will be discharged to the outside. Then the cold air from the outside will enter the inner wall of the connecting block through the heat recovery device, and the cold air will be preliminarily heated after passing through the heat recovery device, so as to improve the heating efficiency. Then the dry hot air will enter the inner wall of the heat exchanger, so as to carry out the hot air circulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the new hot air circulation device for the sheet material drying machine of the utility model;

[0018] Figure 2 This is a structural diagram of the heat recovery device in the utility model;

[0019] Figure 3 It is a structural diagram of the heating mechanism in the utility model;

[0020] Figure 4 It is a structural diagram of the second induced draft fan assembly in the utility model;

[0021] Figure 5 It is the structural diagram of the motor in the utility model.

[0022] In the figure, 1, dryer body; 2, heating mechanism; 201, connecting block; 202, mounting frame; 203, heat exchanger; 3, air duct assembly; 4, connecting frame; 5, first induced draft fan assembly; 6, suction duct; 7, heat recovery device; 8, connecting frame; 9, connecting pipe; 10, air outlet block; 11, second induced draft fan assembly; 12, motor; 13, fixing block; 14, fixing plate; 15, rotating shaft; 16, transmission frame. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a new hot air circulation device for a sheet drying machine, comprising a drying machine body 1, an air duct assembly 3 is arranged on the inner wall of the drying machine body 1, a connecting frame 4 is bolted to both sides of the air duct assembly 3, a first induced draft fan assembly 5 is fixedly connected to the bottom of the connecting frame 4, a heating mechanism 2 is bolted to the rear side of the first induced draft fan assembly 5, an air suction duct 6 is arranged on the top of the drying machine body 1, and a heat recovery device 7 is arranged on both sides of the air suction duct 6;

[0026] The heating mechanism 2 includes a connecting block 201, a mounting frame 202 and a heat exchanger 203. The front side of the connecting block 201 is fixedly connected to the rear side of the mounting frame 202, the front side of the mounting frame 202 is fixedly connected to the rear side of the heat exchanger 203, and the front side of the heat exchanger 203 is fixedly connected to the rear side of the first induced draft fan assembly 5.

[0027] In this embodiment: a dryer body 1, an air duct assembly 3, a connecting frame 4, a first induced draft fan assembly 5, a heating mechanism 2, an air suction duct 6 and a heat recovery device 7 are provided. When in use, the connecting block 201 is fixedly connected to the mounting frame 202, and the mounting frame 202 is fixedly connected to the heat exchanger 203. Then the staff injects heat transfer oil into the inner wall of the heat exchanger 203 to make the first induced draft fan assembly 5 output, so that the hot air is transmitted to the inner wall of the air duct assembly 3 through the connecting frame 4, so that the air duct assembly 3 dries the sheet material. Then the air suction duct 6 will suck the hot air containing moisture, so that the air suction duct 6 can transmit the moist air to the inner wall of the heat recovery device 7, and the moist air will be discharged to the outside. Then the cold air from the outside will enter the inner wall of the connecting block 201 through the heat recovery device 7, and the cold air will be preliminarily heated after passing through the heat recovery device 7, so as to improve the heating efficiency. Then the dry hot air will enter the inner wall of the heat exchanger 203, so as to facilitate the hot air circulation.

[0028] As a technical optimization solution of the utility model, a connecting frame 8 is fixedly connected to the front side of the heat recovery device 7 , and a side of the connecting frame 8 close to the air suction duct 6 is fixedly connected to the air suction duct 6 .

[0029] In this embodiment: a connecting rack 8 is provided, which is fixedly connected to the heat recovery device 7 through the connecting rack 8 during use, and the connecting rack 8 is fixedly connected to the air suction duct 6, so that the air suction duct 6 can transfer the hot air containing moisture to the inner wall of the heat recovery device 7 through the connecting rack 8.

[0030] As a technical optimization solution of the utility model, the rear side of the heat recovery device 7 is fixedly connected with a connecting pipe 9, and the front side of the connecting pipe 9 is fixedly connected with an air outlet block 10.

[0031] In this embodiment: by providing a connecting pipe 9 and an air outlet block 10, when in use, the heat recovery device 7 is fixedly connected to the connecting pipe 9, and the connecting pipe 9 is fixedly connected to the air outlet block 10, so that the hot air containing moisture can be discharged through the connecting pipe 9 and the air outlet block 10.

[0032] As a technical optimization solution of the utility model, the front side of the air outlet block 10 is fixedly connected to the second induced draft fan assembly 11 , and the bottom of the heat recovery device 7 is fixedly connected to the top of the connecting block 201 .

[0033] In this embodiment, by providing the second induced draft fan assembly 11 , when in use, the second induced draft fan assembly 11 is fixedly connected to the air outlet block 10 , so that the humid air can be discharged through the second induced draft fan assembly 11 .

[0034] As a technical optimization solution of the present invention, a motor 12 is provided on the front side of the first induced draft fan assembly 5 , and a fixing block 13 is bolted to the right side of the motor 12 .

[0035] In this embodiment, by setting the motor 12 and the fixing block 13, the positions of the motor 12 and the fixing block 13 are adjusted during use, so that the subsequent stable output of the motor 12 is facilitated.

[0036] As a technical optimization solution of the present invention, a fixing plate 14 is bolted to the right side of the fixing block 13 , and the rear side of the fixing plate 14 is bolted to the front side of the first induced draft fan assembly 5 .

[0037] In this embodiment, by providing a fixing plate 14, the fixing plate 14 and the fixing block 13 are fixed in position during use, and the fixing plate 14 and the first induced draft fan assembly 5 are fixed in position, so that the motor 12 can work stably.

[0038] As a technical optimization solution of the utility model, the output end of the motor 12 is bolted with a rotating shaft 15 , and the surface of the rotating shaft 15 is rotatably connected to the inner wall of the first induced draft fan assembly 5 .

[0039] In this embodiment, the rotating shaft 15 is provided, and the positions of the rotating shaft 15 and the motor 12 are fixed during use, so that the motor 12 can drive the rotating shaft 15 to rotate, thereby facilitating the air induction work.

[0040] As a technical optimization solution of the present utility model, the inner wall of the dryer body 1 is rotatably connected with a transmission frame 16 .

[0041] In this embodiment, the transmission frame 16 is provided to facilitate the subsequent work of sheet material transmission.

[0042] Working principle: First, when in use, the connecting block 201 is fixedly connected with the mounting frame 202, and the mounting frame 202 is fixedly connected with the heat exchanger 203. Then the staff injects heat transfer oil into the inner wall of the heat exchanger 203 to make the first induced draft fan assembly 5 output, so that the hot air can be transmitted to the inner wall of the air duct assembly 3 through the connecting frame 4, so that the air duct assembly 3 can dry the sheet material. Then the suction duct 6 will suck the hot air containing moisture, so that the suction duct 6 can transmit the humid air to the inner wall of the heat recovery device 7, and the humid air will be discharged to the outside. Then the cold air from the outside will enter the inner wall of the connecting block 201 through the heat recovery device 7. The cold air will be preliminarily heated after passing through the heat recovery device 7 to improve the heating efficiency. Then the dry hot air will enter the inner wall of the heat exchanger 203 to facilitate the hot air circulation.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel hot air circulation device for a sheet material drying machine, comprising a drying machine body (1), characterized in that: The inner wall of the dryer body (1) is provided with an air duct assembly (3), both sides of the air duct assembly (3) are bolted with connecting frames (4), the bottom of the connecting frame (4) is fixedly connected with a first induced draft fan assembly (5), the rear side of the first induced draft fan assembly (5) is bolted with a heating mechanism (2), the top of the dryer body (1) is provided with an air suction duct (6), and both sides of the air suction duct (6) are provided with heat recovery devices (7); The heating mechanism (2) comprises a connecting block (201), a mounting frame (202) and a heat exchanger (203); the front side of the connecting block (201) is fixedly connected to the rear side of the mounting frame (202); the front side of the mounting frame (202) is fixedly connected to the rear side of the heat exchanger (203); and the front side of the heat exchanger (203) is fixedly connected to the rear side of the first induced draft fan assembly (5).

2. The novel hot air circulation device for sheet drying machine according to claim 1 is characterized in that: The front side of the heat recovery device (7) is fixedly connected to a connecting frame (8), and the connecting frame (8) is fixedly connected to the air suction duct (6) on a side close to the air suction duct (6).

3. The novel hot air circulation device for sheet drying machine according to claim 1 is characterized in that: The rear side of the heat recovery device (7) is fixedly connected to a connecting pipe (9), and the front side of the connecting pipe (9) is fixedly connected to an air outlet block (10).

4. The novel hot air circulation device for a sheet drying machine according to claim 3 is characterized in that: The front side of the air outlet block (10) is fixedly connected to a second induced draft fan assembly (11), and the bottom of the heat recovery device (7) is fixedly connected to the top of the connecting block (201).

5. The novel hot air circulation device for sheet drying machine according to claim 1 is characterized in that: A motor (12) is arranged on the front side of the first induced draft fan assembly (5), and a fixing block (13) is bolted to the right side of the motor (12).

6. The novel hot air circulation device for sheet drying machine according to claim 5 is characterized in that: A fixing plate (14) is bolted to the right side of the fixing block (13), and the rear side of the fixing plate (14) is bolted to the front side of the first induced draft fan assembly (5).

7. The novel hot air circulation device for sheet drying machine according to claim 5 is characterized in that: The output end of the motor (12) is bolted with a rotating shaft (15), and the surface of the rotating shaft (15) is rotatably connected to the inner wall of the first induced draft fan assembly (5).

8. The novel hot air circulation device for sheet drying machine according to claim 1 is characterized in that: The inner wall of the dryer body (1) is rotatably connected to a transmission frame (16).

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