A circulating dehumidifying dryer for producing elastic film

Abstract

The utility model relates to the technical field of TPU production, and in particular to a circulating dehumidification dryer for producing elastic film, comprising: a dehumidifier barrel, with a feed inlet and a circulation inlet on the top, a discharge port and a circulation outlet on the bottom, a heating component inside the side wall, and the circulation inlet of one dehumidifier barrel connected to the circulation outlet of another dehumidifier barrel through a material extraction pipe; a scraping component, rotatably arranged in the inner cavity of the dehumidifier barrel, and used to scrape off the material adsorbed on the inner wall of the dehumidifier barrel. The circulating dehumidification dryer for producing elastic film provided by the utility model can avoid the accumulation and agglomeration of TPU diaphragms, and avoid the uneven heating of TPU diaphragms affecting the dehumidification and drying effect.

Description

Technical Field

[0001] The utility model relates to the technical field of TPU production, in particular to a circulating dehumidifying dryer for producing elastic film. Background Art

[0002] Dehumidification and drying are very important links in the production and processing of elastomeric films. Special dehumidification dryers are usually used for the dehumidification and drying of elastomeric films. TPU diaphragm is a type of elastomeric film. It is widely accepted and used in the market due to its safety, environmental protection, high and low temperature resistance, hydrolysis resistance, solvent resistance, flame retardancy, mildew resistance and antibacterial properties. Its application can refer to the Chinese invention patent with application number CN202111521156.0, entitled A material for an isolation cabin and its preparation method. Existing TPU diaphragms are prone to accumulation in dehumidification dryers, and will adhere to the inner wall of the dehumidification barrel, resulting in uneven dehumidification and drying effects, affecting the quality of subsequent processed products. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a circulating dehumidifying dryer for producing elastic film, so as to prevent TPU diaphragms from being accumulated and adhered in the dehumidifying dryer.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a circulating dehumidification dryer for producing elastic film, comprising:

[0005] The dehumidifier barrel is provided with a feed inlet and a circulation inlet at the top, a discharge port and a circulation outlet at the bottom, and a heating component is provided inside the side wall. The circulation inlet of one dehumidifier barrel is connected to the circulation outlet of another dehumidifier barrel through a feed extraction pipe;

[0006] The scraper assembly is rotatably arranged in the inner cavity of the dehumidifier barrel, and is used for scraping off the materials adsorbed on the inner wall of the dehumidifier barrel.

[0007] Furthermore, the scraper assembly includes a motor, a rotating shaft and a scraper rod, the motor is connected to one end of the rotating shaft, the other end of the rotating shaft extends into the inner cavity of the dehumidifier barrel, the scraper rod is arranged at the other end of the rotating shaft, and the scraper rod abuts against the inner wall of the dehumidifier barrel.

[0008] Furthermore, a suction fan is provided on the suction pipe.

[0009] Furthermore, a heat-insulating layer is provided on the surface of the extraction pipe.

[0010] Furthermore, the heating component is an electric heating tube.

[0011] Furthermore, valves are provided at the feed inlet and the discharge outlet.

[0012] The beneficial effects of the utility model are: a circulating dehumidification dryer for producing elastomer films, a first heating component inside the side wall of the dehumidifier barrel always heats the TPU diaphragm in the barrel from the outside, and since two coordinated dehumidifier barrels are provided, during operation, the TPU diaphragm is pumped back and forth between the two dehumidifier barrels by air flow, and the material can continuously flow between the two barrels, thereby avoiding accumulation and agglomeration of the TPU diaphragm, and at the same time, a scraping component is used to scrape off the material adsorbed on the inner wall of the dehumidifier barrel, thereby avoiding uneven heating of the TPU diaphragm affecting the dehumidification and drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the structure of a circulating dehumidifying dryer for producing elastomer films;

[0014] Figure 2 Another schematic diagram of the structure of a circulating dehumidifying dryer for producing elastomer films;

[0015] Figure 3 A partial cross-sectional view of a circulating dehumidifying dryer for producing elastomer films;

[0016] Description of labels:

[0017] 1. Dehumidifier barrel; 11. Feed inlet; 12. Circulation inlet; 13. Discharge port; 14. Circulation outlet; 15. Heating component; 16. Extraction pipe; 17. Extraction fan; 2. Scraping component; 21. Motor; 22. Rotating shaft; 23. Scraping rod. DETAILED DESCRIPTION

[0018] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0019] The utility model provides a circulating dehumidifying dryer for producing elastic body membranes, which is applied in the production and processing of TPU membranes.

[0020] Please refer to Figures 1 to 3 As shown, the utility model is a circulating dehumidifying dryer for producing an elastic film, comprising:

[0021] The dehumidifier barrel 1 is provided with a feed inlet 11 and a circulation inlet 12 at the top, a discharge port 13 and a circulation outlet 14 at the bottom, a heating component 15 is provided inside the side wall, and the circulation inlet 12 of one dehumidifier barrel 1 is connected to the circulation outlet 14 of another dehumidifier barrel 1 through a pumping pipe 16;

[0022] The scraper assembly 2 is rotatably disposed in the inner cavity of the dehumidifier barrel 1 , and is used for scraping off materials adsorbed on the inner wall of the dehumidifier barrel 1 .

[0023] From the above description, it can be seen that the beneficial effects of the utility model are: a circulating dehumidification dryer for the production of elastomer membranes, the first heating component 15 inside the side wall of the dehumidifier barrel 1 always heats the TPU diaphragm in the barrel from the outside, and since two coordinated dehumidifier barrels 1 are provided, the TPU diaphragm is pumped back and forth between the two dehumidifier barrels 1 by airflow during operation, and the material can flow continuously between the two barrels to avoid accumulation and agglomeration of the TPU diaphragm. At the same time, the scraper component 2 is used to scrape off the material adsorbed on the inner wall of the dehumidifier barrel 1, thereby avoiding uneven heating of the TPU diaphragm and affecting the dehumidification and drying effect.

[0024] In an optional embodiment, the scraper assembly 2 includes a motor 21, a rotating shaft 22 and a scraper rod 23, the motor 21 is connected to one end of the rotating shaft 22, the other end of the rotating shaft 22 extends into the inner cavity of the dehumidifier barrel 1, and the scraper rod 23 is arranged at the other end of the rotating shaft 22, and the scraper rod 23 abuts against the inner wall of the dehumidifier barrel 1.

[0025] From the above description, it can be known that the motor 21 drives the rotating shaft 22 to rotate, thereby driving the scraper rod 23 to move in a circular motion in the barrel to scrape off the TPU film sheet adhered to the barrel wall.

[0026] In an optional embodiment, a suction fan 17 is provided on the suction pipe 16 .

[0027] From the above description, it can be seen that the exhaust fan 17 is used to pump the TPU diaphragm back and forth between the two dehumidifier barrels 1.

[0028] In an optional embodiment, a heat-insulating layer is provided on the surface of the extraction pipe 16 .

[0029] In an optional embodiment, the heating component 15 is an electric heating tube.

[0030] In an optional embodiment, valves are provided at the feed port 11 and the discharge port 13 .

[0031] Please refer to Figures 1 to 3 As shown, the first embodiment of the utility model is: a circulating dehumidifying dryer for producing an elastic film, comprising:

[0032] The dehumidifier barrel 1 is provided with a feed inlet 11 and a circulation inlet 12 at the top, a discharge port 13 and a circulation outlet 14 at the bottom, a heating component 15 is provided inside the side wall, and the circulation inlet 12 of one dehumidifier barrel 1 is connected to the circulation outlet 14 of another dehumidifier barrel 1 through a pumping pipe 16;

[0033] The scraper assembly 2 is rotatably disposed in the inner cavity of the dehumidifier barrel 1 , and is used for scraping off materials adsorbed on the inner wall of the dehumidifier barrel 1 .

[0034] The scraper assembly 2 includes a motor 21, a rotating shaft 22 and a scraper rod 23. The motor 21 is connected to one end of the rotating shaft 22. The other end of the rotating shaft 22 extends into the inner cavity of the dehumidifier barrel 1. The scraper rod 23 is arranged at the other end of the rotating shaft 22, and the scraper rod 23 abuts against the inner wall of the dehumidifier barrel 1. The extraction pipe 16 is provided with an extraction fan 17. The surface of the extraction pipe 16 is provided with a heat preservation layer. The heating assembly 15 is an electric heating pipe. Valves are provided at the feed inlet 11 and the discharge port 13.

[0035] In summary, in the circulating dehumidification dryer for producing elastomer films of the utility model, the first heating component inside the side wall of the dehumidifier barrel always heats the TPU diaphragm in the barrel from the outside. Since two coordinated dehumidifier barrels are provided, the TPU diaphragm is pumped back and forth between the two dehumidifier barrels by airflow during operation, and the material can continuously flow between the two barrels to avoid accumulation and agglomeration of the TPU diaphragm. At the same time, the scraping component is used to scrape off the material adsorbed on the inner wall of the dehumidifier barrel, thereby avoiding uneven heating of the TPU diaphragm that affects the dehumidification and drying effect.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A circulating dehumidifying dryer for producing an elastomer film, characterized in that: include: The dehumidifier barrel is provided with a feed inlet and a circulation inlet at the top, a discharge port and a circulation outlet at the bottom, and a heating component is provided inside the side wall. The circulation inlet of one dehumidifier barrel is connected to the circulation outlet of another dehumidifier barrel through a feed extraction pipe; The scraper assembly is rotatably arranged in the inner cavity of the dehumidifier barrel, and is used for scraping off the materials adsorbed on the inner wall of the dehumidifier barrel.

2. The circulating dehumidifying dryer for producing an elastomer film according to claim 1, characterized in that: The scraper assembly includes a motor, a rotating shaft and a scraper rod, wherein the motor is connected to one end of the rotating shaft, the other end of the rotating shaft extends into the inner cavity of the dehumidifier barrel, the scraper rod is arranged at the other end of the rotating shaft, and the scraper rod abuts against the inner wall of the dehumidifier barrel.

3. The circulating dehumidifying dryer for producing an elastomer film according to claim 1, characterized in that: A suction fan is arranged on the suction pipe.

4. The circulating dehumidifying dryer for producing an elastomer film according to claim 1, characterized in that: A heat-insulating layer is provided on the surface of the extraction pipe.

5. The circulating dehumidifying dryer for producing an elastomer film according to claim 1, characterized in that: The heating component is an electric heating tube.

6. The circulating dehumidifying dryer for producing an elastomer film according to claim 1, characterized in that: Valves are provided at the feed inlet and the discharge outlet.

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