Drying device for synthetic leather production
By using multi-layer stacked drying ovens and heat recycling, the problems of large footprint and low heat utilization in synthetic leather drying equipment have been solved, achieving a compact and efficient drying effect.
Patent Information
- Application Number
- CN202423208228.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing synthetic leather drying equipment is long and occupies a large area. The hot air cannot be circulated, resulting in low heat utilization and increased production costs.
The system employs a multi-layer stacked drying oven structure, using drying ovens at different temperature ranges to dry synthetic leather in stages, and utilizing return air ducts to send hot air from the second drying oven to the third drying oven for heat recycling.
It reduces the equipment footprint, improves drying efficiency, reduces energy consumption, and increases heat utilization.
Smart Images
Figure CN223733200U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to synthetic leather processing equipment technical field, concretely relates to a synthetic leather production drying device. BACKGROUND
[0002] Synthetic leather is a kind of plastic product simulating natural leather. It is made of non-natural leather raw materials by artificial synthesis method, and can be comparable to natural leather in appearance, feel and part performance. Synthetic leather is coated on the base provided with a basic physical strength base cloth in the production process, and a layer of leather-like film is formed on the surface of the base cloth through repeated operation of drying and coating. In this process, a drying device is needed to remove the solvent in the coating to solidify the coating.
[0003] The existing synthetic leather drying device is mostly used to dry the synthetic leather after being laid flat in the whole, so that the length of the production equipment is longer during use, the equipment occupies a larger area, and the hot air flow in the drying equipment cannot be circulated in the box, the utilization rate of heat is lower, resulting in higher production cost of enterprises. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem that the existing synthetic leather drying device is used to dry the synthetic leather after being laid flat in the whole, the length of the production equipment is longer, the equipment occupies a larger area, and the hot air flow in the drying equipment cannot be circulated in the box, the utilization rate of heat is lower.
[0005] To solve the above technical problems, the utility model provides a technical scheme of a synthetic leather production drying device, which comprises a first drying furnace, a second drying furnace and a third drying furnace, the first drying furnace, the second drying furnace and the third drying furnace are stacked from bottom to top to form an entire furnace structure.
[0006] A feeding port is arranged on one side below the first drying furnace, a first turning roller is arranged on the side opposite to the feeding port, and a plurality of first heating pipes are arranged in the middle of the interior of the first drying furnace through a support frame.
[0007] A first furnace changing roller is arranged between the second drying furnace and the first drying furnace, a plurality of drying pipes are arranged in the interior of the second drying furnace, and second turning rollers are arranged on the two sides of the second drying furnace.
[0008] A discharging port is arranged on one side of the top of the third drying furnace, a third turning roller is arranged on the side opposite to the discharging port, a second furnace changing roller is arranged between the third drying furnace and the second drying furnace, and a plurality of second heating pipes are arranged on the upper and lower sides of the third drying furnace.
[0009] One side of the second drying furnace and the third drying furnace is connected through a return air pipe.
[0010] As a preferred technical scheme of the utility model, the temperature of the first drying furnace is less than the temperature of the second drying furnace, and the temperature of the third drying furnace is less than the temperature of the first drying furnace.
[0011] As a preferred technical scheme of the utility model, the first turning roller, the second turning roller and the third turning roller are all located inside the furnace body structure, and the two second turning rollers are arranged in an upper and lower staggered mode at two ends in the second drying furnace.
[0012] As a preferred technical scheme of the utility model, the first furnace changing roller and the second furnace changing roller are both located on the outside of the furnace body structure, and the outside of the first furnace changing roller and the second furnace changing roller is provided with a heat preservation cover, and the furnace body structure is provided with corresponding furnace changing openings on the upper and lower sides of the first furnace changing roller and the second furnace changing roller.
[0013] As a preferred technical scheme of the utility model, the heat preservation cover seals and covers the whole furnace changing opening, and the outside of the heat preservation cover is provided with an observation window.
[0014] As a preferred technical scheme of the utility model, one side of the plurality of drying pipes is connected to each other through a heating cavity, a plurality of third heating pipes are arranged in the inside of the heating cavity, and the second drying furnace is connected with an external fan through a wind guide pipe on one side of the heating cavity.
[0015] As a preferred technical scheme of the utility model, a plurality of drying openings are uniformly arranged on the upper and lower sides of the drying pipe, and the drying pipe is arranged in an upper and lower staggered mode with the first furnace changing roller, the second turning roller and the second furnace changing roller.
[0016] As a preferred technical scheme of the utility model, the air return pipe is located above the feeding opening of the first drying furnace, and an air exhaust fan is arranged in the air return pipe.
[0017] Compared with the prior art, the utility model has the advantages of:
[0018] The synthetic leather production drying equipment can dry synthetic leather through stacking multiple drying furnaces and setting different temperatures, so that the synthetic leather can be dried in different stages in the drying furnace, thereby improving the drying effect and reducing the area occupied by the drying equipment. The intermediate furnace can dry synthetic leather by hot air, which can remove the solvent in the synthetic leather and reduce the accumulation of evaporated solvent in the furnace. The hot air in the second drying furnace is sent to the third drying furnace for heat recycling, thereby reducing the energy consumption of the third drying furnace stage. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The utility model relates to a synthetic leather production drying device Figure 1.
[0020] Figure 2 The utility model relates to a kind of external structure of synthetic leather production drying device Figure 2 .
[0021] Figure 3 It is a transverse section perspective view of the utility model of a kind of synthetic leather production drying device.
[0022] Figure 4 It is a longitudinal section perspective view of the utility model of a kind of synthetic leather production drying device.
[0023] Figure 5 It is a schematic diagram of the internal synthetic leather drying structure of the utility model of a kind of synthetic leather production drying device.
[0024] As shown in the figure:
[0025] 1, first drying furnace;2, second drying furnace;3, third drying furnace;4, feed inlet;5, first turning roller;6, support frame;7, multiple first heating pipe;8, first furnace-changing roller;9, drying pipe;10, second turning roller;11, discharge port;12, third turning roller;13, second furnace-changing roller;14, multiple second heating pipe;15, return air pipe;16, heat preservation cover;17, furnace-changing port;18, observation window;19, heating cavity;20, multiple third heating pipe;21, air guide pipe;22, fan;23, multiple drying port;24, exhaust fan;25, synthetic leather body. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mount", "provided with", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected;It can be mechanically connected, or electrically connected;It can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0028] Example 1:
[0029] As the description of the specification Figures 1-4As shown, a synthetic leather production drying device, including first drying furnace 1, second drying furnace 2 and third drying furnace 3, first drying furnace 1, second drying furnace 2 and third drying furnace 3 are stacked from bottom to top, forming the whole furnace structure, the temperature of first drying furnace 1 is less than the temperature of second drying furnace 2, the temperature of third drying furnace 3 is less than the temperature of first drying furnace 1;
[0030] In the utility model, the first drying furnace 1 is provided with the feed inlet 4 on the lower side, and the first turning roller 5 is arranged on the side opposite to the inlet, and a plurality of first heating pipes 7 are arranged in the middle of the first drying furnace 1 through the support frame 6;
[0031] In the utility model, the first furnace changing roller 8 is arranged between the second drying furnace 2 and the first drying furnace 1, a plurality of drying pipes 9 are arranged in the second drying furnace 2, one side of the plurality of drying pipes 9 is communicated with each other through the heating cavity 19, a plurality of third heating pipes 20 are arranged in the heating cavity 19, the second drying furnace 2 is connected with the external fan 22 through the air guide pipe 21 on one side of the heating cavity 19, and the second turning roller 10 is arranged on the two sides of the second drying furnace 2 respectively;
[0032] In the utility model, the third drying furnace 3 is provided with the discharge port 11 on the top side, and the third turning roller 12 is arranged on the opposite side, the second furnace changing roller 13 is arranged between the third drying furnace 3 and the second drying furnace 2, and a plurality of second heating pipes 14 are arranged on the upper and lower sides of the third drying furnace 3;
[0033] In the utility model, the first turning roller 5, the second turning roller 10 and the third turning roller 12 are all located in the inside of the furnace structure, and the two second turning rollers 10 are staggered and arranged on the two ends in the second drying furnace 2, the first furnace changing roller 8 and the second furnace changing roller 13 are located on the outside of the furnace structure, the heat preservation cover 16 is arranged on the outside of the first furnace changing roller 8 and the second furnace changing roller 13, the corresponding furnace changing port 17 is arranged on the upper and lower sides of the first furnace changing roller 8 and the second furnace changing roller 13, the heat preservation cover 16 seals and covers the whole furnace changing port 17, and the observation window 18 is arranged on the outside of the heat preservation cover 16;
[0034] In the utility model, one side of the second drying furnace 2 and the third drying furnace 3 is connected through the air return pipe 15, the air return pipe 15 is located above the feed inlet 4 of the first drying furnace 1, and the exhaust fan 24 is arranged in the air return pipe 15.
[0035] In the utility model, the first drying furnace 1 is provided with the feed inlet 4 on the lower side, and the first turning roller 5 is arranged on the side opposite to the inlet, and a plurality of first heating pipes 7 are arranged in the middle of the first drying furnace 1 through the support frame 6; Figure 5The synthetic leather body 25 enters the first drying furnace 1 from the feeding port 4 below the first drying furnace 1, then passes the first reversing roller 5, passes the first furnace changing roller 8 through the furnace changing port 17, and enters the second drying furnace 2 through the furnace changing port 17 on the second drying furnace 2, and the synthetic leather body 25 is sequentially wound on the second reversing rollers on both sides in the second drying furnace 2, connected with the second furnace changing roller 13 through the furnace changing port 17 above, and enters the third drying furnace 3 through the furnace changing port 17 on the third drying furnace 3 above the second furnace changing roller 13, and is discharged from the discharge port 11 on one side of the top of the third drying furnace 3 after passing the third reversing roller 12 in the third drying furnace 3;
[0036] The surface of the synthetic leather body 25 that needs to be dried in the first drying furnace 1 directly contacts with the plurality of first heating pipes 7 for preliminary drying and shaping, then the surface that needs to be dried is staggered above and below the drying pipe 9 when entering the second drying furnace 2, and is heated and dried by the hot air type of the drying pipe 9, and finally is finally dried and shaped by the plurality of second heating pipes 14 on the upper and lower sides of the third drying furnace 3, and gradually cools down the synthetic leather;
[0037] The heat preservation cover 16 seals the whole furnace changing port 17, reduces heat loss, and the observation window 18 outside the heat preservation cover 16 facilitates the operator to observe the drying condition of the synthetic leather;
[0038] In the process of heating and drying in the second drying furnace 2 and the third drying furnace 3, the excess hot air in the second drying furnace 2 is sent to the third drying furnace 3 through the air return pipe 15 on one side, the heat is recycled, and the air supply is assisted by the exhaust fan 24.
[0039] The above describes the present application and its embodiments, which are not limited, and the embodiments shown in the specific embodiments are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical solution are designed, which should belong to the protection scope of the present application.
Claims
1. A synthetic leather production drying device comprising a first drying furnace (1), a second drying furnace (2) and a third drying furnace (3), characterized by: The first drying furnace (1), the second drying furnace (2) and the third drying furnace (3) are stacked from bottom to top, forming an overall furnace structure. The first drying furnace (1) is provided with an inlet (4) on one side below, and a first turning roller (5) on the opposite side; meanwhile, a plurality of first heating pipes (7) are arranged in the middle of the first drying furnace (1) through a support frame (6). The first drying furnace (1) is provided with an inlet (4) on one side below, and a first turning roller (5) on the opposite side; meanwhile, a plurality of first heating pipes (7) are arranged in the middle of the first drying furnace (1) through a support frame (6). The third drying furnace (3) is provided with an outlet (11) on one side at the top, and a third turning roller (12) on the opposite side; a second furnace changing roller (13) is arranged between the third drying furnace (3) and the second drying furnace (2); a plurality of second heating pipes (14) are arranged on the upper and lower sides of the third drying furnace (3). The second drying furnace (2) and the third drying furnace (3) are connected through a return air pipe (15) on one side.
2. The synthetic leather production drying device according to claim 1, characterized in that: The temperature of the first drying furnace (1) is less than that of the second drying furnace (2), and the temperature of the third drying furnace (3) is less than that of the first drying furnace (1).
3. The synthetic leather production drying device according to claim 1, characterized in that: The first turning roller (5), the second turning roller (10) and the third turning roller (12) are all located inside the furnace structure, and the two second turning rollers (10) are arranged staggered on the upper and lower sides of the second drying furnace (2).
4. The synthetic leather production drying device according to claim 1, characterized in that: The first furnace changing roller (8) and the second furnace changing roller (13) are both located on the outside of the furnace structure, and a heat preservation cover (16) is arranged on the outside of the first furnace changing roller (8) and the second furnace changing roller (13); the furnace structure is provided with corresponding furnace changing openings (17) on the upper and lower sides of the first furnace changing roller (8) and the second furnace changing roller (13).
5. The synthetic leather production drying device according to claim 4, characterized in that: The heat preservation cover (16) seals the entire furnace changing opening (17), and an observation window (18) is arranged on the outside of the heat preservation cover (16).
6. The synthetic leather production drying device according to claim 1, characterized in that: A plurality of the drying pipes (9) are connected to each other through a heating cavity (19) on one side; a plurality of third heating pipes (20) are arranged in the heating cavity (19); and an external fan (22) is connected to the heating cavity (19) through an air guide pipe (21) on one side.
7. The synthetic leather production drying device according to claim 1, characterized in that: The upper and lower sides of the drying pipe (9) are uniformly provided with a plurality of drying openings (23), and the drying pipe (9) is arranged staggered with the upper and lower ends of the first furnace changing roller (8), the second turning roller (10) and the second furnace changing roller (13).
8. The synthetic leather production drying device according to claim 1, characterized in that: The return air pipe (15) is located above the inlet (4) of the first drying furnace (1), and an exhaust fan (24) is arranged in the return air pipe (15).