Hot air circulating system for drying in textile fabric production

Abstract

The utility model discloses a hot air circulation system for textile fabric production drying, which relates to the technical field of textile fabrics and comprises a drying box, and the drying box sequentially comprises a low-temperature pre-drying area, a high-temperature shaping area and a low-temperature drying area along the conveying direction of textile fabrics. Independent heat exchange pipes are arranged in the low-temperature pre-drying area, the high-temperature shaping area and the low-temperature drying area of the drying box in the length direction, independent circulating fans are arranged in the low-temperature pre-drying area, the high-temperature shaping area and the low-temperature drying area of the drying box, and a Teflon mesh belt conveyor is arranged in the drying box in the length direction; and upper and lower groups of dense-hole air distribution plates are arranged in the drying box along the length direction. According to the textile fabric drying device, the heat exchange pipes, the circulating fans and the pipelines are arranged, the heat exchange pipes and the circulating fans are independently arranged in the independent temperature areas, the temperature and the circulating air volume of each temperature area can be independently adjusted, and under a hot air circulating system, the effects of evenly heating textile fabrics and rapidly and efficiently drying the textile fabrics are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of textiles, in particular to a hot air circulation system for drying textile production. Background Art

[0002] In the textile industry, fabrics must be dried before they can be rolled up. Existing textile drying equipment generates a large amount of heat during the drying process. The heat dissipated by this heat is not fully utilized, and the dissipated heat also contains a high amount of moisture. The low air flow rate within the drying equipment generally slows down moisture evaporation, and the textiles are heated unevenly, resulting in low drying efficiency.

[0003] To this end, we provide a hot air circulation system for textile production drying, which allows the materials to be quickly and evenly heated during the drying process, drying quickly and reducing the problems of uneven drying and incomplete drying. Utility Model Content

[0004] The purpose of the utility model is to provide a hot air circulation system for drying textile production, which solves the problem that a large amount of hot air is generated during the drying process of the drying equipment, the heat dissipated by the hot air cannot be fully utilized, and the lost hot air also contains a high amount of moisture. Generally, the air circulation velocity in the drying equipment is low, the evaporation rate of moisture is slow, and the textiles are heated evenly but slowly, which leads to the problem of low drying efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a hot air circulation system for drying textile production, comprising a drying box, wherein both ends of the drying box are respectively a textile feed port and a textile discharge port, the drying box sequentially comprising a low-temperature pre-drying zone, a high-temperature shaping zone and a low-temperature drying zone along the conveying direction of the textile, and independent heat exchange pipes are arranged in the low-temperature pre-drying zone, the high-temperature shaping zone and the low-temperature drying zone of the drying box along the length direction, and independent circulation fans are arranged in the low-temperature pre-drying zone, the high-temperature shaping zone and the low-temperature drying zone of the drying box, and the air inlet end of the circulation fan is connected to the drying box, and the air outlet end of the circulation fan is connected to the corresponding temperature zone in the drying box through a pipeline, a Teflon mesh belt conveyor is arranged in the drying box along the length direction, the Teflon mesh belt conveyor is located directly below the heat exchange pipe, two upper and lower groups of dense-hole air distribution plates are arranged in the drying box along the length direction, and the dense-hole air distribution plates are located directly below the Teflon mesh belt conveyor, and the air outlet of the pipeline extends to between the upper and lower groups of dense-hole air distribution plates, and an air supply port is arranged at the bottom of the drying box.

[0006] Preferably, the heat exchange tube is a high-temperature steam tube or a high-temperature heat transfer oil tube.

[0007] Preferably, the circulation fan is arranged on the top of the drying box, and the heat exchange pipe is located below the circulation fan. The circulation fan transports the hot air passing through the heat exchange pipe through the pipeline above the Teflon mesh belt conveyor to the bottom of the Teflon mesh belt conveyor in the corresponding temperature zone, and the dense-hole air distribution plate evenly distributes air to the position of the Teflon mesh belt conveyor.

[0008] Preferably, the Teflon mesh belt conveyor is provided with a press conveyor belt at both side edges in the width direction, and the press conveyor belt is arranged parallel to the top of the Teflon mesh belt conveyor. The driving shaft of the Teflon mesh belt conveyor drives the press conveyor belt through a gear transmission mechanism, and the top belt surface of the Teflon mesh belt conveyor and the bottom belt surface of the press conveyor belt move synchronously in the same direction to clamp the material.

[0009] Preferably, both ends of the pressing conveyor belt extend to the textile cloth feed port and discharge port of the drying box respectively, and the driving gear and the driven gear of the gear transmission mechanism are respectively mounted on the driving shaft of the Teflon mesh belt conveyor and the rotating shaft of the pressing conveyor belt.

[0010] Preferably, the air supply port is provided with an air filter.

[0011] The utility model has the following beneficial effects:

[0012] 1. The utility model is provided with heat exchange tubes, circulation fans, and pipelines. By independently arranging heat exchange tubes and circulation fans in independent temperature zones, each temperature zone can independently adjust the temperature and circulating air volume. Under the action of the circulation fans, the hot air circulates in each temperature zone, which can accelerate the circulation and circulation of the hot air. The heat contained in the hot air is fully recycled, and the moisture contained in the hot air is quickly circulated and evaporated with the air. The air continuously exchanges heat through the heat exchange tubes to heat and dry the textile fabrics. Under the hot air circulation system, the textiles are evenly heated and dried quickly and efficiently.

[0013] 2. The utility model sets a Teflon mesh belt conveyor and a pressing conveyor belt. The textile fabric is laid flat on the mesh belt of the Teflon mesh belt conveyor. The Teflon mesh belt conveyor conveys the textile fabric without tension, and the textile fabric is pressed on both sides by the pressing conveyor belt, avoiding the shrinkage and deformation of the material caused by the tension during the transportation and drying process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the drying box of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the heat exchange tube position of the utility model;

[0017] Figure 4 This is a top view of the Teflon mesh belt conveyor and the pressure conveyor belt of the utility model.

[0018] In the figure: 1. Drying box; 11. Air supply port; 111. Air filter; 101. Low-temperature pre-drying area; 102. High-temperature shaping area; 103. Low-temperature drying area; 2. Heat exchange tube; 3. Circulating fan; 4. Pipeline; 5. Teflon mesh belt conveyor; 6. Dense-hole air distribution plate; 7. Pressing conveyor belt; 8. Gear transmission mechanism. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] like Figure 1-4 As shown, the utility model provides a technical solution: a hot air circulation system for drying textile production, comprising a drying box 1, wherein the two ends of the drying box 1 are respectively a textile feed port and a textile discharge port, and the drying box 1 includes a low-temperature pre-drying zone 101, a high-temperature shaping zone 102 and a low-temperature drying zone 103 in the conveying direction of the textile, and independent heat exchange pipes 2 are arranged along the length direction of the low-temperature pre-drying zone 101, the high-temperature shaping zone 102 and the low-temperature drying zone 103 of the drying box 1, and the heat exchange pipes 2 are high-temperature steam pipes or high-temperature heat-conducting oil pipes, which are circulated through the high-temperature The medium exchanges heat with the air, and independent circulation fans 3 are arranged in the low-temperature pre-drying zone 101, the high-temperature shaping zone 102 and the low-temperature drying zone 103 of the drying box 1. The circulation fan 3 is set at the top of the drying box 1, and the heat exchange pipe 2 is located below the circulation fan 3. The air inlet end of the circulation fan 3 is connected to the drying box 1, and the air outlet end of the circulation fan 3 is connected to the corresponding temperature zone in the drying box 1 through the pipe 4. Different air intake volumes and temperatures can be set in different temperature zones through the independent circulation fans 3 and the heat exchange pipe 2. The air intake volume can be increased in locations with high humidity to accelerate evaporation and air circulation;

[0021] A Teflon mesh belt conveyor 5 is provided along the length direction in the drying box 1. The textile fabric is laid flatly on the mesh belt of the Teflon mesh belt conveyor 5. The Teflon mesh belt conveyor 5 is located directly below the heat exchange tube 2. Two sets of upper and lower dense hole air distribution plates 6 are provided along the length direction in the drying box 1. The dense hole air distribution plates 6 are densely covered with ventilation holes to evenly disperse the circulating hot air. The dense hole air distribution plates 6 are located directly below the Teflon mesh belt conveyor 5. The air outlet of the pipeline 4 extends between the upper and lower sets of dense hole air distribution plates 6. The circulating fan 3 above the Teflon mesh belt conveyor 5 transports the hot air that has passed through the heat exchange tube 2 through the pipe 4 to the bottom of the Teflon mesh belt conveyor 5 in the corresponding temperature zone. The air is continuously circulated upward under the action of the circulating fan 3. The dense-hole air distribution plate 6 evenly distributes air to the position of the Teflon mesh belt conveyor 5, uniformly drying the textiles on the mesh belt. The bottom of the drying box 1 is provided with an air supply port 11 to supply air into the drying box 1. The air supply port 11 is provided with an air filter 111 to prevent the introduction of dust and impurities in the air.

[0022] The Teflon mesh belt conveyor 5 is provided with a pressing conveyor belt 7 at the edges of both sides in the width direction. The pressing conveyor belt 7 is arranged parallel to the Teflon mesh belt conveyor 5. The driving shaft of the Teflon mesh belt conveyor 5 and the driving motor are transmitted through a pulley transmission mechanism. The driving shaft of the Teflon mesh belt conveyor 5 drives the pressing conveyor belt 7 through a gear transmission mechanism 8. The driving gear and the driven gear of the gear transmission mechanism 8 are respectively mounted on the driving shaft of the Teflon mesh belt conveyor 5 and the rotating shaft of the pressing conveyor belt 7. The driving gear and the driven gear are meshed. The two ends of the pressing conveyor belt 7 extend to the textile cloth feed and discharge port of the drying box 1 respectively, pressing on the edge of the cloth to ensure that the edge and the overall laying of the cloth are neat and flat. When in use, the top belt surface of the Teflon mesh belt conveyor 5 and the bottom belt surface of the pressing conveyor belt 7 move synchronously in the same direction, so that the cloth is transported in the drying box 1 through each temperature zone for drying and then output.

[0023] It should be noted that, in this document, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot air circulation system for drying textile production, comprising a drying box (1), wherein the two ends of the drying box (1) are respectively a textile fabric feed port and a textile fabric discharge port, and wherein: The drying box (1) includes a low-temperature pre-drying zone (101), a high-temperature shaping zone (102) and a low-temperature drying zone (103) in sequence along the conveying direction of the textile fabric, and independent heat exchange pipes (2) are arranged in the low-temperature pre-drying zone (101), the high-temperature shaping zone (102) and the low-temperature drying zone (103) of the drying box (1) along the length direction, and independent circulation fans (3) are arranged in the low-temperature pre-drying zone (101), the high-temperature shaping zone (102) and the low-temperature drying zone (103) of the drying box (1), and the air inlet end of the circulation fan (3) is connected to the drying box (1). The air outlet of the circulation fan (3) is connected to the corresponding temperature zone in the drying box (1) through the pipe (4); a Teflon mesh belt conveyor (5) is arranged in the drying box (1) along the length direction; the Teflon mesh belt conveyor (5) is located directly below the heat exchange tube (2); two upper and lower groups of dense hole air distribution plates (6) are arranged in the drying box (1) along the length direction; the dense hole air distribution plates (6) are located directly below the Teflon mesh belt conveyor (5); and the air outlet of the pipe (4) extends between the upper and lower groups of dense hole air distribution plates (6); and an air supply port (11) is arranged at the bottom of the drying box (1).

2. A hot air circulation system for drying textile production according to claim 1, characterized in that: The heat exchange tube (2) is a high-temperature steam tube or a high-temperature heat-conducting oil tube.

3. The hot air circulation system for drying textile production according to claim 1, characterized in that: The circulation fan (3) is arranged on the top of the drying box (1), and the heat exchange tube (2) is located below the circulation fan (3). The circulation fan (3) transports the hot air passing through the heat exchange tube (2) above the Teflon mesh belt conveyor (5) through the pipeline (4) to the bottom of the Teflon mesh belt conveyor (5) in the corresponding temperature zone, and the dense hole air distribution plate (6) evenly distributes air to the position of the Teflon mesh belt conveyor (5).

4. The hot air circulation system for drying textile production according to claim 1, characterized in that: The Teflon mesh belt conveyor (5) is provided with a pressing conveyor belt (7) at both side edges in the width direction. The pressing conveyor belt (7) is arranged parallel to the top of the Teflon mesh belt conveyor (5). The driving shaft of the Teflon mesh belt conveyor (5) drives the pressing conveyor belt (7) through a gear transmission mechanism (8). The top belt surface of the Teflon mesh belt conveyor (5) and the bottom belt surface of the pressing conveyor belt (7) move synchronously in the same direction to clamp the material.

5. The hot air circulation system for drying textile production according to claim 4, characterized in that: The two ends of the pressing conveyor belt (7) extend to the textile cloth feed port and the textile cloth discharge port of the drying box (1), respectively. The driving gear and the driven gear of the gear transmission mechanism (8) are respectively mounted on the driving shaft of the Teflon mesh belt conveyor (5) and the rotating shaft of the pressing conveyor belt (7).

6. The hot air circulation system for drying textile production according to claim 1, characterized in that: The air supply port (11) is provided with an air filter (111).

Images