A setting machine waste heat recovery system

Abstract

The utility model discloses a shaping machine waste heat recovery system. It includes: shaping machine, waste gas incinerator, waste gas incinerator with the inside of shaping machine is linked together, exhaust port, sets up the surface of waste gas incinerator and with the inside of waste gas incinerator is linked together, heat exchange coil, fixed in the inside of exhaust port, filter screen board, set up in the inside of exhaust port, filter screen board with exhaust port detachable connection, filter screen board is located heat exchange coil is close to the inside of waste gas incinerator one side. The utility model has the beneficial effects that: good avoid dust particle and other impurities to adhere on heat exchange coil, guaranteeed the recovery efficiency of heat energy, avoided the jam. The connecting mode is simple and convenient, and is convenient for installation and dismounting replacement, improved the installation stability of filter screen board.

Description

Technical Field

[0001] This utility model relates to the technical field of setting machines, and in particular to a waste heat recovery system for setting machines. Background Technology

[0002] A finishing and setting machine, also commonly known as a fabric finishing and setting machine, is a type of machinery widely used in the textile industry. Its main function is to process woven or knitted textile fabrics to achieve dimensional stability, improve hand feel, enhance appearance, and improve fabric performance. In existing technology, the structure of current textile fabric finishing machines typically includes two key parts: a high-temperature drying zone and a cooling zone. In the drying zone, hot air equipment is used to generate hot airflow, which is then directed to the fabric surface to achieve rapid drying.

[0003] To improve energy efficiency, the hot air generated by the drying of fabric in the stenter is usually incinerated before being discharged, and then the heat energy in the hot air is recovered and reused through a waste heat recovery device. However, this process has a major problem: the hot air discharged from the incineration contains a large number of dust particles and other impurities. When these impurities pass through the waste heat recovery device, they will adhere to the surface of the heat exchange structure, reduce heat exchange efficiency, increase thermal resistance, and long-term accumulation may also block the pipes, affect the normal operation of the equipment, and shorten the service life of the equipment.

[0004] In summary, there is a need for a waste heat recovery system for stenters that can guarantee heat recovery efficiency and avoid clogging. Utility Model Content

[0005] This invention aims to overcome the shortcomings of existing technologies where the hot gas discharged from incineration contains a large amount of dust particles and other impurities. These impurities adhere to the surface of the heat exchange structure when passing through the waste heat recovery device, reducing heat exchange efficiency, increasing thermal resistance, and potentially clogging pipes over time, affecting the normal operation of the equipment and shortening its service life. This invention provides a waste heat recovery system for a stenter that can ensure heat recovery efficiency and avoid clogging.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A waste heat recovery system for a stenter machine, comprising:

[0008] Sterilization machine;

[0009] An exhaust gas incinerator is internally connected to the stenter.

[0010] An exhaust port is provided on the surface of the waste gas incinerator and is connected to the interior of the waste gas incinerator;

[0011] The heat exchange coil is fixed inside the exhaust port;

[0012] A filter screen is disposed inside the exhaust port. The filter screen and the exhaust port are detachably connected. The filter screen is located on the side of the heat exchange coil near the interior of the waste gas incinerator.

[0013] When hot air containing dust particles and other impurities passes through the exhaust port, the filter plate inside the exhaust port first filters out the impurities. The filtered, clean hot air then exchanges heat with the heat exchange coil to recover heat energy before finally being discharged into the outside space. Filtering impurities from the hot air before heat exchange effectively prevents dust particles and other impurities from adhering to the heat exchange coil, ensuring efficient heat recovery and preventing blockages.

[0014] Preferably, the filter plate includes an outer frame, an inner filter mesh, and a sealing ring. The inner filter mesh is fixed to the inner side of the outer frame, and the sealing ring is fixed to the outer side of the outer frame. A mesh plate insertion slot matching the filter plate is provided on one side wall of the exhaust port, and the mesh plate insertion slot and the filter plate are interlocked. Limiting slots matching the sides of the outer frame are also provided on the other side walls of the exhaust port. The mesh plate insertion slot and the limiting slot are located in the same plane, and the limiting slot and the side of the outer frame, as well as the mesh plate insertion slot and the side of the outer frame, are sealed together by the sealing ring. The filter plate is inserted into the limiting slot on the inner wall of the exhaust port through the mesh plate insertion slot. The connection method is simple and convenient, facilitating installation, disassembly, and replacement. The design of the limiting slot can limit the position of the filter plate inside the exhaust port, improving the installation stability of the filter plate. The design of the sealing ring can improve the sealing performance at the connection between the filter plate and the exhaust port, preventing impurities from flowing into the heat exchange coil through the connection gap between the filter plate and the exhaust port.

[0015] Preferably, the inner filter mesh is located on the side of the outer frame closer to the heat exchange coil. Dry dust particles and other impurities will adhere to the inner filter mesh due to electrostatic or capillary action. By designing the position of the inner filter mesh, more space can be provided on the side of the inner filter mesh where impurities adhere, preventing impurities from remaining in the exhaust port.

[0016] Preferably, a limiting pressure plate that contacts the filter screen is also provided at the screen insertion port, and a locking structure is provided between the limiting pressure plate and the screen insertion port. The limiting pressure plate is used to press and fix the filter screen, and the locking structure is used to lock the limiting pressure plate at the screen insertion port to further improve the installation stability of the filter screen in the exhaust port.

[0017] Preferably, the side wall of the filter screen insertion port is provided with a locking pin groove. The locking structure includes a locking pin, one end of which is placed in and slidably connected to the locking pin groove. The side wall of the limiting pressure plate is provided with a locking pin insertion hole that matches the other end of the locking pin. The locking pin and the locking pin insertion hole are interlocked. The side wall of the locking pin groove is provided with a movable block groove, which is located on the surface of the exhaust port. A movable block is fixed to the side wall of the locking pin, and is placed in and slidably connected to the movable block groove. When the limiting pressure plate presses the filter screen, the locking pin insertion hole is aligned with the locking pin groove. At this time, by inserting the other end of the locking pin into the locking pin insertion hole, the limiting pressure plate can be locked at the filter screen insertion port. The structure is simple and the operation is convenient. The design of the movable block makes it easy for the operator to push the locking pin to move.

[0018] Preferably, one end of the locking pin is connected to the bottom surface of the locking pin groove by a spring, and the other end of the locking pin is provided with a guide radius, which is located on the side of the locking pin near the screen plate insertion port. In its natural state, the other end of the locking pin is located outside the locking pin groove. During the insertion of the limiting pressure plate into the screen plate insertion port, when the bottom of the limiting pressure plate contacts the other end of the locking pin, due to the design of the guide radius, the locking pin is automatically pressed into the locking pin groove by the limiting pressure plate, and the spring is compressed at the same time. When the limiting pressure plate presses the filter screen plate, the locking pin insertion hole on the limiting pressure plate is aligned with the locking pin groove. At this time, the locking pin is automatically pushed into the locking pin insertion hole under the elastic force of the spring, thereby locking the limiting pressure plate. The structure is simple, the control is convenient, and the limiting pressure plate can be automatically locked. During disassembly, the operator can release the locking plate by pushing the other end of the locking pin out of the locking pin insertion hole by turning the lever. The structure is simple and the operation is convenient.

[0019] Preferably, an iron block is fixed to the outer frame, and the iron block is located on the side of the outer frame near the mesh plate insertion port. When it is necessary to remove the filter screen, simply place a magnet at the mesh plate insertion port, and the filter screen will be automatically sucked out, making the operation convenient.

[0020] The beneficial effects of this utility model are: it effectively prevents dust particles and other impurities from adhering to the heat exchange coil, ensuring heat recovery efficiency and avoiding blockage; the connection method is simple and convenient, facilitating installation, disassembly, and replacement; it improves the installation stability of the filter screen; it can improve the sealing performance at the connection between the filter screen and the exhaust port; it can leave more space for the side of the inner filter screen with attached impurities, preventing impurities from remaining in the exhaust port; it can automatically lock the limiting pressure plate; and the filter screen is easy to remove. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 yes Figure 1 Internal structure diagram of the central exhaust port;

[0023] Figure 3 yes Figure 2 Enlarged view of point B in the middle;

[0024] Figure 4 yes Figure 1 Sectional view at point AA.

[0025] In the diagram: 1. Sterilizer, 2. Exhaust port, 3. Heat exchange coil, 4. Filter screen, 5. Outer frame, 6. Inner filter screen, 7. Sealing ring, 8. Screen insertion port, 9. Limiting slot, 10. Limiting pressure plate, 11. Locking pin slide, 12. Locking pin, 13. Locking pin insertion hole, 14. Moving slot for lever, 15. Lever, 16. Spring, 17. Guide radius, 18. Iron block, 19. Waste gas incinerator, 20. Blower. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0027] like Figures 1-4 In the embodiments described above, a waste heat recovery system for a stenter includes:

[0028] Styling machine 1;

[0029] Waste gas incinerator 19 is internally connected to the stenter 1;

[0030] Exhaust port 2 is located on the surface of the waste gas incinerator 19 and is connected to the interior of the waste gas incinerator 19;

[0031] The heat exchange coil 3 is fixed inside the exhaust port 2;

[0032] The filter screen 4 is installed inside the exhaust port 2. The filter screen 4 and the exhaust port 2 are detachably connected. The filter screen 4 is located on the side of the heat exchange coil 3 near the interior of the waste gas incinerator 19.

[0033] The filter screen 4 includes an outer frame 5, an inner filter mesh 6, and a sealing ring 7. The inner filter mesh 6 is fixed to the inner side of the outer frame 5, and the sealing ring 7 is fixed to the outer side of the outer frame 5. A mesh plate insertion slot 8 matching the filter screen 4 is provided on one side wall of the exhaust port 2. The mesh plate insertion slot 8 and the filter screen 4 are inserted into each other. The other side walls of the exhaust port 2 are also provided with limiting slots 9 matching the side of the outer frame 5. The mesh plate insertion slot 8 and the limiting slot 9 are located in the same plane. The limiting slot 9 and the side of the outer frame 5, and the mesh plate insertion slot 8 and the side of the outer frame 5 are sealed and connected by the sealing ring 7.

[0034] The inner filter screen 6 is located on the side of the outer frame 5 near the heat exchange coil 3.

[0035] A limiting pressure plate 10 is also provided at the mesh plate inlet 8, which is in contact with the filter mesh plate 4, and a locking structure is provided between the limiting pressure plate 10 and the mesh plate inlet 8.

[0036] The side wall of the mesh plate slot 8 is provided with a locking pin groove 11. The locking structure includes a locking pin 12. One end of the locking pin 12 is placed in the locking pin groove 11 and slidably connected thereto. The side wall of the limiting pressure plate 10 is provided with a locking pin insertion hole 13 that matches the other end of the locking pin 12. The locking pin 12 and the locking pin insertion hole 13 are inserted into each other. The side wall of the locking pin groove 11 is provided with a toggle block movable groove 14. The toggle block movable groove 14 is located on the surface of the exhaust port 2. A toggle block 15 is fixed on the side wall of the locking pin 12. The toggle block 15 is placed in the toggle block movable groove 14 and slidably connected thereto.

[0037] One end of the locking pin 12 is connected to the bottom surface of the locking pin groove 11 by a spring 16. The other end of the locking pin 12 is provided with a guide rounded corner 17, which is located on the side of the locking pin 12 near the port of the mesh plate insertion 8.

[0038] An iron block 18 is fixed on the outer frame 5. The iron block 18 is located on the side of the outer frame 5 near the mesh plate insertion port 8.

[0039] When hot air containing dust particles and other impurities passes through exhaust port 2, the filter plate 4 inside exhaust port 2 first filters out the impurities. The filtered, purified hot air then exchanges heat with the heat exchange coil 3 to recover heat energy before being discharged into the external space. The recovered heat energy can be used to heat the air introduced by blower 20, and the heated air is then reintroduced into the stenter 1. By filtering impurities from the hot air through the filter plate 4 before heat exchange, it is possible to effectively prevent dust particles and other impurities from adhering to the heat exchange coil 3.

[0040] When installing the filter screen 4, the filter screen 4 is inserted into the limiting slot 9 on the inner wall of the exhaust port 2 through the screen insertion port 8. The connection between the filter screen 4 and the exhaust port 2 is sealed by the sealing ring 7. After the filter screen 4 is inserted, the limiting pressure plate 10 is used to press and fix the filter screen 4. During the process of the limiting pressure plate 10 being inserted into the screen insertion port 8, when the bottom of the limiting pressure plate 10 contacts the other end of the locking pin 12, due to the design of the guide rounded corner 17, the locking pin 12 will be automatically pressed into the locking pin slide groove 11 by the limiting pressure plate 10, and the spring 16 will be compressed at the same time. When the limiting pressure plate 10 presses the filter screen 4, the locking pin insertion hole 13 on the limiting pressure plate 10 is exactly aligned with the locking pin slide groove 11. At this time, the locking pin 12 will be automatically pushed into the locking pin insertion hole 13 under the elastic force of the spring 16, thereby locking the limiting pressure plate 10.

[0041] During disassembly, the staff can release the locking plate 10 by pushing the other end of the locking pin 12 out of the locking pin insertion hole 13 by moving the lever 15. The limiting plate 10 can then be removed from the mesh plate insertion hole 8. After that, a magnet can be placed at the mesh plate insertion hole 8 to automatically pull out the filter mesh plate 4.

Claims

1. A waste heat recovery system for a stenter, characterized in that it comprises: Sterilization machine (1); Waste gas incinerator (19), which is internally connected to the stenter (1); An exhaust port (2) is provided on the surface of the waste gas incinerator (19) and is connected to the interior of the waste gas incinerator (19); The heat exchange coil (3) is fixed inside the exhaust port (2); A filter screen (4) is disposed inside the exhaust port (2). The filter screen (4) and the exhaust port (2) are detachably connected. The filter screen (4) is located on the side of the heat exchange coil (3) near the interior of the waste gas incinerator (19).

2. The waste heat recovery system for a stenter according to claim 1, characterized in that, The filter screen (4) includes an outer frame (5), an inner filter mesh (6), and a sealing ring (7). The inner filter mesh (6) is fixed to the inner side of the outer frame (5), and the sealing ring (7) is fixed to the outer side of the outer frame (5). A mesh plate insertion slot (8) matching the filter screen (4) is provided on one side wall of the exhaust port (2). The mesh plate insertion slot (8) and the filter screen (4) are inserted into each other. The remaining side walls of the exhaust port (2) are also provided with limiting slots (9) matching the side of the outer frame (5). The mesh plate insertion slot (8) and the limiting slot (9) are located in the same plane. The limiting slot (9) and the side of the outer frame (5), and the mesh plate insertion slot (8) and the side of the outer frame (5) are sealed and connected by the sealing ring (7).

3. The waste heat recovery system for a stenter according to claim 2, characterized in that, The inner filter mesh (6) is located on the side of the outer frame (5) near the heat exchange coil (3).

4. The waste heat recovery system for a stenter according to claim 2, characterized in that, A limiting pressure plate (10) that contacts the filter screen (4) is also provided at the mesh plate inlet (8), and a locking structure is provided between the limiting pressure plate (10) and the mesh plate inlet (8).

5. The waste heat recovery system for a stenter according to claim 4, characterized in that, The side wall of the mesh plate slot (8) is provided with a locking pin groove (11). The locking structure includes a locking pin (12). One end of the locking pin (12) is placed in the locking pin groove (11) and slidably connected thereto. The side wall of the limiting pressure plate (10) is provided with a locking pin insertion hole (13) that matches the other end of the locking pin (12). The locking pin (12) and the locking pin insertion hole (13) are inserted into each other. The side wall of the locking pin groove (11) is provided with a toggle block movable groove (14). The toggle block movable groove (14) is located on the surface of the exhaust port (2). A toggle block (15) is fixed on the side wall of the locking pin (12). The toggle block (15) is placed in the toggle block movable groove (14) and slidably connected thereto.

6. The waste heat recovery system for a stenter according to claim 5, characterized in that, One end of the locking pin (12) is connected to the bottom surface of the locking pin groove (11) by a spring (16), and the other end of the locking pin (12) is provided with a guide fillet (17), which is located on the side of the locking pin (12) near the port of the mesh plate insertion (8).

7. A waste heat recovery system for a stenter according to any one of claims 2-6, characterized in that, An iron block (18) is fixed on the outer frame (5), and the iron block (18) is located on the side of the outer frame (5) near the mesh plate insertion port (8).

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