Heat energy circulating device of PU artificial leather drying line

Abstract

The utility model discloses a PU artificial leather drying line heat energy circulation device which comprises a drying box, one side of the top end of the drying box is fixedly connected with a fan, the output end and the input end of the fan are both fixedly connected with air inlet pipes, one end of each air inlet pipe is fixedly connected with a heating box, one side of the heating box is fixedly connected with a first air outlet pipe, and the other side of the heating box is fixedly connected with a second air outlet pipe. The bottom end of the drying box is fixedly connected with a connecting bottom pipe, and the connecting bottom pipe is fixedly connected with the first air outlet pipe. According to the device, a second air pump, a second air outlet pipe, a circulating treatment box, an air inlet pipe and a heating pipe are arranged, water is pumped out through the second air pump and flows into the circulating treatment box through the second air outlet pipe, and water is absorbed through water absorption sponge layers on the two sides in the circulating treatment box; and the absorbed and filtered heat flows into the air inlet pipe through the circulating pipe again, heat recycling is achieved, continuous heating of the heating pipe is reduced, heat circulation is kept, and resource waste is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of drying heat circulation, in particular to a heat energy circulation device for a PU artificial leather drying line. Background Art

[0002] PU is the abbreviation of polyurethane in English, and its chemical Chinese name is polyurethane. PU artificial leather is leather, which is widely used in decoration of bags, clothing, shoes, vehicles and furniture. It has been increasingly recognized by the market with its wide range of applications, large quantity and many varieties.

[0003] The PU artificial leather in the prior art needs to be cleaned or wetted during the production process, and the artificial leather needs to be dried after being wetted. The traditional method uses heat to circulate downward from the top to dry it, but the artificial leather has poor gas circulation due to the leather, resulting in uneven drying effect on the other side. At the same time, the heat generated after drying is discharged, which wastes resources and is not convenient for recycling. Utility Model Content

[0004] The purpose of the utility model is to provide a heat energy circulation device for a PU artificial leather drying line, which transports and circulates the artificial leather through a driving roller, and during the transportation process, the top heating box circulates heat downward, so that the upper surface of the artificial leather can be dried, and the bottom end of the artificial leather can be dried again. The upper and lower surfaces are heated and the drying effect is uniform, thereby improving the drying efficiency.

[0005] To achieve the above-mentioned purpose, a PU artificial leather drying line heat energy circulation device is provided, comprising: a drying box, a fan is fixedly connected to one side of the top of the drying box, an output end and an input end of the fan are both fixedly connected to an air inlet pipe, one end of the air inlet pipe is fixedly connected to a heating box, one side of the heating box is fixedly connected to a first air outlet pipe, the bottom end of the drying box is fixedly connected to a connecting bottom pipe, and the connecting bottom pipe and the first air outlet pipe are fixedly connected;

[0006] A circulation treatment box is provided on one side of the drying box, a circulation pipe is fixedly connected to one side of the top of the circulation treatment box, one end of the circulation pipe is fixedly connected to the air inlet pipe, a second air outlet pipe is fixedly connected to the other side of the top of the circulation treatment box, an exhaust pipe is fixedly connected to one side of the top of the drying box, and the exhaust pipe and the second air outlet pipe are fixedly connected.

[0007] According to the PU artificial leather drying line thermal energy circulation device, both sides of the inner top of the drying box are rotatably connected to driving rollers, both ends of one side of the drying box are fixedly connected to driving motors, and the driving end of the driving motor is fixedly connected to the driving rollers.

[0008] According to the PU artificial leather drying line heat energy circulation device, a plurality of fixing frames are fixedly connected to the inner bottom end of the drying box, and auxiliary rollers are rotatably matched between the fixing frames.

[0009] According to the PU artificial leather drying line heat energy circulation device, both ends of the drying box are provided with openings.

[0010] According to the PU artificial leather drying line heat energy circulation device, a first air pump is fixedly connected to the middle of one side of the drying box, and the output end and the input end of the first air pump are both fixedly connected to the first air outlet pipe.

[0011] According to the PU artificial leather drying line heat energy circulation device, a second air pump is fixedly connected to the middle of the other side of the drying box, and the output end and the input end of the second air pump are both fixedly connected to the second air outlet pipe.

[0012] According to the PU artificial leather drying line heat energy circulation device, water-absorbing sponge layers are inserted into both sides of the interior of the circulation treatment box.

[0013] According to the PU artificial leather drying line heat energy circulation device, a heating tube is provided inside the heating box.

[0014] Beneficial effects:

[0015] 1. The utility model is provided with a first air pump, a first air outlet pipe, a drying box and a heating box. The air is extracted by the first air pump, and a part of the hot air flows to the inside of the bottom pipe through the first air outlet pipe and is discharged through the bottom of the drying box. After the interior of the drying box is heated, the artificial leather can be poured into it through the opening, and the artificial leather can be transported to the inside of the drying box by the rotation of the driving roller. During the transportation process, the heat of the top heating box flows downward, so that the upper surface of the artificial leather can be dried, and the bottom of the artificial leather can be dried again. The upper and lower surfaces are heated and dried evenly, so that the automatic drying effect is achieved and the processing efficiency is improved.

[0016] 2. The utility model is provided with a second air pump, a second air outlet pipe, a circulation treatment box, an air inlet pipe and a heating pipe. The air is drawn out by the second air pump and flows to the interior of the circulation treatment box through the second air outlet pipe. The water is absorbed by the water-absorbing sponge layers on both sides of the interior of the circulation treatment box, and the heat after absorption and filtration is again circulated to the interior of the air inlet pipe through the circulation pipe, thereby realizing heat recycling, reducing continuous heating of the heating pipe, maintaining heat circulation, and reducing resource waste.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is a three-dimensional structural diagram of one side of the thermal energy circulation device of the PU artificial leather drying line of the utility model;

[0020] Figure 2 It is a cross-sectional side view of the heat energy circulation device of the PU artificial leather drying line of the utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the other side of the thermal energy circulation device of the PU artificial leather drying line of the utility model;

[0022] Figure 4 This is a cross-sectional structural diagram of a circulation treatment box of a heat energy circulation device of a PU artificial leather drying line of the utility model;

[0023] Figure 5 This is a three-dimensional enlarged structural diagram of the auxiliary roller of the thermal energy circulation device of the PU artificial leather drying line of the utility model.

[0024] Legend:

[0025] 1. Drying box; 2. Exhaust pipe; 3. Fan; 4. Driving motor; 5. First air pump; 6. First air outlet pipe; 7. Opening; 8. Driving roller; 9. Auxiliary roller; 10. Connecting bottom pipe; 11. Heating box; 12. Heating pipe; 13. Inlet pipe; 14. Circulation pipe; 15. Circulation treatment box; 16. Second air pump; 17. Second air outlet pipe; 18. Water-absorbing sponge layer; 19. Fixed frame. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] Reference Figure 1-5The utility model embodiment of the PU artificial leather drying line heat energy circulation device comprises: a drying box 1, a top side of the drying box 1 is fixedly connected with a fan 3, the fan 3 introduces external air through an air inlet pipe 13, and after the introduction, the air is circulated to the inside of the heating box 11, and the temperature is heated by the heating pipe 12, and then the circulating gas is heated. The output end and the input end of the fan 3 are fixedly connected with the air inlet pipe 13, one end of the air inlet pipe 13 is fixedly connected with the heating box 11, and one side of the heating box 11 is fixedly connected with the first air outlet pipe 6, and the bottom end of the drying box 1 is fixedly connected with a connecting bottom pipe 10. The heating box 11 circulates heat downward to dry the upper surface of the artificial leather, and then the connecting bottom pipe 10 blows upward to blow the heat upward, so that the bottom end of the artificial leather is dried again, and the upper and lower surfaces are heated and the drying effect is uniform, and the connecting bottom pipe 10 The drying box 1 is fixedly connected to the first air outlet pipe 6. Both sides of the top of the drying box 1 are rotatably connected with driving rollers 8. The artificial leather is poured into the drying box 1 through the opening 7. The artificial leather can be transported to the inside of the drying box 1 by the rotation of the driving rollers 8. The driving motor 4 is fixedly connected to both ends of one side of the drying box 1. The driving motor 4 is driven to rotate the driving roller 8. After the rotation, the driving roller 8 is matched with the auxiliary roller 9 to realize the rotation and transportation operation. The driving end of the driving motor 4 is fixedly connected to the driving roller 8. The middle part of one side of the drying box 1 is fixedly connected to the first air pump 5. The gas is extracted by the first air pump 5. A part of the hot gas flows through the first air outlet pipe 6 to the inside of the bottom pipe 10 and is discharged through the bottom of the drying box 1. The output end and the input end of the first air pump 5 are fixedly connected to the first air outlet pipe 6. The heating box 11 is provided with a heating pipe 12.

[0028] A circulation treatment box 15 is provided on one side of the drying box 1, a circulation pipe 14 is fixedly connected to one side of the top of the circulation treatment box 15, one end of the circulation pipe 14 is fixedly connected to the air inlet pipe 13, a second air outlet pipe 17 is fixedly connected to the other side of the top of the circulation treatment box 15, an exhaust pipe 2 is fixedly connected to one side of the top of the drying box 1, and the exhaust pipe 2 is fixedly connected to the second air outlet pipe 17, a plurality of fixed frames 19 are fixedly connected to the bottom end of the drying box 1, auxiliary rollers 9 are rotatably matched between the fixed frames 19, and openings are provided at both ends of the drying box 1 7. A second air pump 16 is fixedly connected to the middle of the other side of the drying box 1. The air is drawn out by the second air pump 16 and flows to the inside of the circulation treatment box 15 through the second air outlet pipe 17. The output end and the input end of the second air pump 16 are fixedly connected to the second air outlet pipe 17. Water-absorbing sponge layers 18 are inserted on both sides of the circulation treatment box 15. The water is absorbed by the water-absorbing sponge layers 18 on both sides of the circulation treatment box 15. The absorbed and filtered heat is again circulated to the inside of the air inlet pipe 13 through the circulation pipe 14 to realize heat recycling.

[0029] Working principle: When in use, first drive the driving motor 4 to rotate the driving roller 8, and after the rotation, cooperate with the auxiliary roller 9 to realize the rotating conveying operation. The fan 3 will introduce the external air through the air inlet pipe 13, and after the introduction, it will flow to the inside of the heating box 11, and heat the temperature through the heating pipe 12, and then realize the temperature increase operation of the circulating gas, and extract the gas through the first air pump 5. A part of the hot gas flows to the inside of the connecting bottom pipe 10 through the first air outlet pipe 6, and is discharged through the bottom of the drying box 1. After the interior of the drying box 1 is heated, the artificial leather can be poured in through the opening 7, and through the rotation cooperation of the driving roller 8, the artificial leather can be transported to the inside of the drying box 1. The top heating box 11 circulates heat downward during the transportation process, so as to dry the upper surface of the artificial leather. Subsequently, the bottom pipe 10 is connected to blow upward to blow the heat upward, so as to dry the bottom end of the artificial leather again. The upper and lower surfaces are heated and dried evenly. The heat generated after drying will be extracted by the second air pump 16 and circulated to the inside of the circulation treatment box 15 through the second air outlet pipe 17. The water is absorbed by the water-absorbing sponge layers 18 on both sides of the circulation treatment box 15. The absorbed and filtered heat is circulated to the inside of the air inlet pipe 13 through the circulation pipe 14 again, thereby realizing heat recycling, reducing the continuous heating of the heating pipe 12, maintaining heat circulation, and reducing resource waste.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. PU artificial leather drying line heat circulation device, including: A drying box (1), characterized in that a fan (3) is fixedly connected to one side of the top of the drying box (1), the output end and the input end of the fan (3) are both fixedly connected to an air inlet pipe (13), one end of the air inlet pipe (13) is fixedly connected to a heating box (11), one side of the heating box (11) is fixedly connected to a first air outlet pipe (6), the bottom end of the drying box (1) is fixedly connected to a connecting bottom pipe (10), and the connecting bottom pipe (10) and the first air outlet pipe (6) are fixedly connected; A circulation treatment box (15) is provided on one side of the drying box (1), a circulation pipe (14) is fixedly connected to one side of the top end of the circulation treatment box (15), one end of the circulation pipe (14) is fixedly connected to an air inlet pipe (13), a second air outlet pipe (17) is fixedly connected to the other side of the top end of the circulation treatment box (15), an exhaust pipe (2) is fixedly connected to one side of the top end of the drying box (1), and the exhaust pipe (2) and the second air outlet pipe (17) are fixedly connected.

2. The heat energy circulation device for PU artificial leather drying line according to claim 1 is characterized in that: Both sides of the inner top of the drying box (1) are rotatably connected to driving rollers (8), and both ends of one side of the drying box (1) are fixedly connected to a driving motor (4), and the driving end of the driving motor (4) and the driving roller (8) are fixedly connected.

3. The heat energy circulation device for PU artificial leather drying line according to claim 1, characterized in that: A plurality of fixing frames (19) are fixedly connected to the inner bottom end of the drying box (1), and auxiliary rollers (9) are rotatably matched between the fixing frames (19).

4. The heat energy circulation device for PU artificial leather drying line according to claim 1, characterized in that: Both ends of the drying box (1) are provided with openings (7).

5. The heat energy circulation device for PU artificial leather drying line according to claim 1, characterized in that: A first air pump (5) is fixedly connected to the middle of one side of the drying box (1), and the output end and the input end of the first air pump (5) are both fixedly connected to the first air outlet pipe (6).

6. The heat energy circulation device for PU artificial leather drying line according to claim 1, characterized in that: A second air pump (16) is fixedly connected to the middle of the other side of the drying box (1), and the output end and the input end of the second air pump (16) are both fixedly connected to the second air outlet pipe (17).

7. The heat energy circulation device for PU artificial leather drying line according to claim 1, characterized in that: Water-absorbing sponge layers (18) are inserted into both sides of the inner part of the circulation treatment box (15).

8. The heat energy circulation device for PU artificial leather drying line according to claim 1, characterized in that: A heating tube (12) is arranged inside the heating box (11).

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