A supercritical foaming shoe material heat drying box

Abstract

This utility model relates to the field of shoe material processing, and more particularly to a supercritical foamed shoe material drying chamber, including a support frame, a belt conveyor, a belt, a drying chamber, a heater, a drying box, an air inlet pipe, an exhaust pipe, a suction fan, a discharge pipe, valves, perforations, and water vapor adsorption particles. This utility model uses a suction fan to extract hot water vapor from the drying chamber and transports it to the drying chamber through the air inlet pipe, and discharges it upwards through the exhaust pipe, acting on the bottom of the shoe material to facilitate drying the bottom. This allows the heat to more comprehensively cover the shoe material, improving drying efficiency. The water vapor adsorption particles inside the drying chamber adsorb moisture from the water vapor, reducing the moisture content in the hot air and preventing large amounts of water vapor from accumulating on the inner top of the drying chamber and forming water droplets. This prevents water droplets from dripping and affecting subsequent shoe material processing, further improving drying efficiency.

Description

Technical Field

[0001] This utility model relates to the field of shoe material processing, and in particular to a hot drying box for supercritical foamed shoe materials. Background Technology

[0002] Supercritical foamed shoe material is a shoe-making material prepared using supercritical fluid foaming technology. During processing, supercritical foamed shoe material requires the use of a hot drying oven for heat setting and other processes after foaming, in order to ensure the dimensional stability, density uniformity and other properties of the shoe material.

[0003] Existing hot drying chambers, such as the improved supercritical foaming shoe material hot drying chamber disclosed in CN221561986U, prevent the infrared heating lamps in the sealed chamber from contacting the air outside the lower and upper chambers, reducing moisture contact. At least one ventilation assembly on the upper chamber, connected to the sealed chamber and exchanging air between the inside of the sealed chamber and the outside of the upper chamber, can quickly expel hot air and replace it with room temperature air, improving the electrode oxidation protection of the infrared heating lamps. However, during the shoe material drying process, the moisture released from the shoe material easily forms saturated or near-saturated humid air inside the chamber, causing water vapor to condense on the inner top of the chamber, forming water droplets. When these droplets accumulate to a certain amount, they drip onto the shoe material, affecting subsequent drying efficiency. Furthermore, since the heat source is only located at the top of the chamber, the shoe material is not fully covered by heat, further impacting drying efficiency. Summary of the Invention

[0004] Therefore, in order to overcome the above-mentioned shortcomings, this utility model provides a supercritical foaming shoe material heat drying chamber to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a supercritical foaming shoe material hot drying chamber, comprising a support frame, a belt conveyor, a belt, a drying chamber, a heater, a drying box, an air inlet pipe, an exhaust pipe, a suction fan, a discharge pipe, valves, through holes, and water vapor adsorption particles; the belt conveyor is located on the inner top of the support frame, the belt is mounted on the belt conveyor, and the belt passes through the inner side of the drying chamber installed on the top of the support frame; a heater is detachably installed on the inner top of the drying chamber;

[0006] The belt has several through holes, and a drying box is installed on the top of the drying box. The two ends of the drying box are respectively connected to an air inlet pipe and an exhaust pipe, and a discharge pipe is fixedly inserted through the drying box.

[0007] The drying oven is filled with water vapor adsorption particles;

[0008] The end of the air inlet pipe away from the drying chamber passes through the top surface of the drying chamber, and a suction fan is installed on the air inlet pipe;

[0009] The end of the exhaust pipe away from the drying chamber passes through the side surface of the support frame and faces the top of the inner side of the belt. A valve is installed on both the exhaust pipe and the discharge pipe.

[0010] Preferably, the belt is equipped with two or more partitions, and the partitions on the belt are evenly spaced.

[0011] Preferably, the partition has a mesh structure.

[0012] Preferably, an expansion cover is installed at the end of the air intake pipe and the exhaust pipe away from the drying chamber, with the expansion cover on the air intake pipe facing the top of the belt and the expansion cover on the exhaust pipe facing the top of the inner side of the belt.

[0013] Preferably, the water vapor adsorption particles are one of silica gel particles, molecular sieve particles, or activated alumina particles.

[0014] The beneficial effects of this utility model are:

[0015] This invention uses a suction fan to extract hot water vapor from the drying chamber and transports it through the air inlet pipe to the drying chamber. The vapor is then discharged upwards through the exhaust pipe, acting on the bottom of the shoe material to facilitate drying. This allows the heat to more comprehensively cover the shoe material, improving drying efficiency. Water vapor adsorption particles within the drying chamber adsorb moisture from the water vapor, reducing the moisture content in the hot air and preventing excessive water vapor buildup on the inner top of the drying chamber, thus preventing water droplets from dripping and affecting subsequent shoe material drying. This further enhances the drying efficiency of the shoe material. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the hot drying chamber of this utility model;

[0017] Figure 2 This is a front view structural diagram of the hot drying chamber of this utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the drying oven of this utility model;

[0019] Figure 4 This is a top view of the connection structure of the drying oven of this utility model;

[0020] Figure 5 This is a top view of the structure of the hot drying chamber of this utility model.

[0021] Among them: support frame-1, belt conveyor-2, belt-3, drying box-4, heater-5, drying box-6, air inlet pipe-7, exhaust pipe-8, suction fan-9, discharge pipe-10, valve-11, through hole-12, partition-13, expansion hood-14, water vapor adsorption particles-15. Detailed Implementation

[0022] To further explain the technical solution of this utility model, a detailed description is provided below through specific embodiments.

[0023] like Figures 1 to 5 As shown, this utility model provides a supercritical foamed shoe material drying chamber, including a support frame 1, a belt conveyor 2, a belt 3, a drying chamber 4, a heater 5, a drying box 6, an air inlet pipe 7, an exhaust pipe 8, a suction fan 9, an exhaust pipe 10, a valve 11, a through hole 12, and water vapor adsorption particles 15; the belt conveyor 2 is installed on the inner top of the support frame 1, the belt 3 is installed on the belt conveyor 2, and the belt 3 passes through the inner side of the drying chamber 4 installed on the top of the support frame 1. The belt 3 is used to transport the supercritical foamed shoe material; the heater 5, which is an electric heating tube, is locked and fixed on the inner top of the drying chamber 4.

[0024] The belt 3 has several through holes 12, which are evenly spaced. The drying box 4 is equipped with a drying box 6. The two ends of the drying box 6 are connected to an air inlet pipe 7 and an exhaust pipe 8, respectively. An exhaust pipe 10 for discharging water vapor is fixedly inserted through the drying box 6.

[0025] The drying oven 6 is filled with water vapor adsorption particles 15;

[0026] The bottom of the air inlet pipe 7 extends through the top surface of the drying chamber 4, and a suction fan 9 is installed on the air inlet pipe 7. The suction fan 9 works in conjunction with the air inlet pipe 7 to draw out the hot air in the drying chamber 4, thereby allowing the hot air to circulate and dry the bottom of the supercritical foamed shoe material.

[0027] The bottom of the exhaust pipe 8 passes through the side surface of the support frame 1 and faces the top of the inner side of the belt 3. A valve 11 is installed on both the exhaust pipe 8 and the discharge pipe 10. The valve 11 controls the flow of gas in the exhaust pipe 8 and the discharge pipe 10.

[0028] In this embodiment, two or more partitions 13 are installed on the belt 3. The partitions 13 on the belt 3 are evenly distributed. The partitions 13 separate the shoe materials, reducing the mutual compression between the shoe materials and affecting the flow of hot air. In order to allow hot air to flow through the partitions 13, the partitions 13 are designed as a mesh structure.

[0029] In this embodiment, an expansion hood 14 is installed at the end of the air intake pipe 7 and the exhaust pipe 8 away from the drying box 6. The expansion hood 14 on the air intake pipe 7 is directly opposite the top of the belt 3 to increase the air intake range of the air intake pipe 7. The expansion hood 14 on the exhaust pipe 8 is directly opposite the top of the inner side of the belt 3 to guide the hot air discharged in the exhaust pipe 8 to be discharged onto the belt 3 over a larger range.

[0030] In the above, the water vapor adsorption particles 15 are silica gel particles, but molecular sieve particles or activated alumina particles can also be used.

[0031] Specifically, during the drying process of supercritical foamed shoe materials, the shoe materials are placed between the two partitions 13 at the top of the belt 3. The belt 3 is rotated by controlling the start of the belt conveyor 2. The belt 3 carries the shoe materials to the drying chamber 4, where the heat generated by the heater 5 dries the supercritical foamed shoe materials.

[0032] Then, the suction fan 9 is started in conjunction with the air inlet pipe 7 to extract the hot air generated during the supercritical foaming shoe material drying process, and deliver it to the top inner side of the belt 3 through the exhaust pipe 8. The hot air is discharged upward through the perforations 12 on the belt 3 and acts on the bottom of the shoe material to facilitate the drying treatment of the bottom of the shoe material. As the hot air enters the exhaust pipe 8 from the air inlet pipe 7, it passes through the drying chamber 6. The water vapor adsorption particles 15 in the drying chamber 6 adsorb the moisture in the hot air, making the circulating hot air drier and reducing the moisture content in the drying chamber 4. This prevents moisture from condensing and accumulating on the top inner side of the drying chamber 4 to form water droplets, and prevents water droplets from dripping onto the supercritical foaming shoe material behind.

[0033] Furthermore, when the hot drying chamber is restricted, valve 11 on exhaust pipe 7 can be closed while valve 11 on discharge pipe 10 can be opened. Since there is no supercritical foamed shoe material on belt 3, the hot air drawn by the suction fan 9 is dry. The dry hot air enters the drying chamber 6 and heats the water vapor adsorption particles 15, evaporating the water adsorbed by the water vapor adsorption particles 15. The evaporated water vapor is discharged outward through discharge pipe 10, keeping the water vapor adsorption particles 15 in a dry state. This is beneficial for the water vapor adsorption particles 15 to adsorb more water, which helps keep the inside of the drying chamber 4 dry during operation.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A supercritical foamed shoe material hot drying chamber, comprising a support frame, a belt conveyor disposed on the top inner side of the support frame, a belt disposed on the belt conveyor, the belt passing through the inner side of the drying chamber mounted on the top of the support frame, and a heater being detachably installed on the top inner side of the drying chamber; characterized in that The belt has several through holes, and a drying box is installed on the top of the drying box. The two ends of the drying box are respectively connected to an air inlet pipe and an exhaust pipe, and a discharge pipe is fixedly inserted through the drying box. The drying oven is filled with water vapor adsorption particles; The end of the air inlet pipe away from the drying chamber passes through the top surface of the drying chamber, and a suction fan is installed on the air inlet pipe; The end of the exhaust pipe away from the drying chamber passes through the side surface of the support frame and faces the top of the inner side of the belt. A valve is installed on both the exhaust pipe and the discharge pipe.

2. The oven for supercritical foaming shoe material according to claim 1, wherein: The belt is equipped with two or more partitions, which are evenly spaced.

3. The supercritical foaming shoe material heat drying chamber according to claim 2, characterized in that: The partition has a mesh structure.

4. The supercritical foaming shoe material heat drying chamber according to claim 1, characterized in that: Both the intake pipe and the exhaust pipe are equipped with expansion hoods at the ends away from the drying chamber. The expansion hood on the intake pipe faces the top of the belt, and the expansion hood on the exhaust pipe faces the top of the inner side of the belt.

5. The supercritical foaming shoe material heat drying chamber according to claim 1, characterized in that: The water vapor adsorption particles are one of silica gel particles, molecular sieve particles, or activated alumina particles.

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