Filter cloth drying device

Abstract

The filter cloth drying device is used for drying cleaned filter cloth and comprises a drying chamber provided with a filter cloth inlet and a filter cloth outlet, the drying chamber is further provided with a hot air inlet and a hot air outlet which are oppositely arranged, the hot air inlet is provided with a heater, and the hot air outlet is communicated with an air outlet guide assembly. A hot air channel is formed between the hot air inlet and the hot air outlet, a plurality of cloth guide rollers are arranged in the drying chamber and arranged on the inner walls of the two sides of the drying chamber in a staggered mode along the hot air channel, and the filter cloth is wound and attached to the peripheries of the cloth guide rollers in a spreading state, so that the filter cloth is arranged in the hot air channel in a multi-layer spreading mode. Air entering from the outside forms hot air through the heater, the hot air is introduced into the drying chamber through the hot air inlet to conduct hot air penetrating drying on the filter cloth arranged in the multi-layer spreading mode, and the air is guided and exhausted through the air outlet guiding assembly. The filter cloth drying device can effectively dry soy sauce filter cloth and remove moisture, infectious microbes and peculiar smell on the filter cloth, so that the quality of soy sauce is guaranteed when the filter cloth is used for squeezing production subsequently.

Description

Technical Field

[0001] The invention relates to the field of soy sauce production equipment, in particular to a filter cloth drying device. Background Art

[0002] In the soy sauce production process, after the fermentation of the koji mixed with salt water in the fermentation tank, it must go through the main processes of solid-liquid separation, heating, clarification, filtration, packaging, etc. The solid-liquid separation is generally carried out by pressing, which requires a special soy sauce filter cloth to wrap the soy sauce mash for pressing. After pressing, the raw materials form dry residues, and the filter cloth is separated from the dry residues. After separation, the filter cloth needs to be cleaned and wait for the next use.

[0003] With the lean and refined requirements for food safety and product varieties, the requirements for cleaning filter cloths are getting higher and higher. However, no matter how the cleaning is performed, some residues or impurities attached to the filter cloth cannot be completely removed. During the standby period after the filter cloth is cleaned, miscellaneous bacteria will reproduce and produce with the residual residues or impurities as nutrients, and miscellaneous bacteria are more likely to reproduce in the humid environment of the filter cloth after cleaning, causing the filter cloth to produce a smell. The smell will have an adverse effect on the product and affect the subsequent production and use of the filter cloth. The above problem is a major problem that urgently needs to be solved in the current industry. Summary of the invention

[0004] In view of the above problems, the present invention provides a filter cloth drying device, which can effectively remove moisture, bacteria and odor on the filter cloth by penetrating hot air to dry the multiple layers of spread filter cloth, thereby ensuring the quality of soy sauce when the filter cloth is used for pressing production.

[0005] A filter cloth drying device of the present invention dries the cleaned filter cloth, comprising:

[0006] The drying chamber is used to dry the filter cloth and has a filter cloth inlet and a filter cloth outlet.

[0007] The drying chamber also has a hot air inlet and a hot air outlet which are arranged relatively, the hot air inlet is provided with a heater, and the hot air outlet is connected with an air outlet guide component.

[0008] A hot air channel is formed between the hot air inlet and the hot air outlet. A plurality of cloth guide rollers are arranged in the drying chamber. The plurality of cloth guide rollers are staggered along the inner walls of both sides of the drying chamber along the hot air channel. The filter cloth is rolled up on the outer periphery of the cloth guide roller in a spread state, so that the filter cloth is spread in multiple layers in the hot air channel. The air entering from the outside passes through the heater to form hot air and is passed into the drying chamber through the hot air inlet to perform hot air penetration and drying on the multi-layer spread filter cloth, and is discharged by the air outlet guide assembly.

[0009] According to the above technical solution, the air is heated by the heater to form hot air, which is then guided and discharged by the air outlet guide assembly, so that the hot air can penetrate the filter cloth, thereby effectively drying the filter cloth; at the same time, the filter cloth is spread in multiple layers in the hot air channel, which can effectively increase the contact area between the hot air and the filter cloth, further enhance the drying effect, and effectively remove the moisture, bacteria and odor on the filter cloth, thereby ensuring the quality of soy sauce when the filter cloth is used for subsequent pressing production. At the same time, the filter cloth can be kept in a dry and clean state, slowing down the corrosion of the filter cloth, thereby effectively extending the service life of the filter cloth.

[0010] Optionally, a vacuum water absorption component is also provided outside the filter cloth inlet.

[0011] According to the above technical solution, before the filter cloth enters the drying chamber, most of the moisture in the filter cloth is removed by vacuum absorption, which can effectively enhance the drying efficiency of the filter cloth.

[0012] Optionally, a first driving member is provided outside the filter cloth inlet, and a second driving member is provided outside the filter cloth outlet. The filter cloth is pulled into the drying chamber by the first driving member, and is pulled to move in the drying chamber by the second driving member.

[0013] According to the above technical solution, the filter cloth can be automatically pulled by the first driving member and the second driving member for cleaning and drying, thereby reducing labor costs.

[0014] Optionally, an inlet cloth guide is provided between the first driving member and the filter cloth inlet, and an outlet cloth guide is provided between the second driving member and the filter cloth outlet.

[0015] According to the above technical solution, the filter cloth can be stably aligned to enter the drying chamber, effectively preventing the filter cloth from deviating during the drying process.

[0016] Optionally, a wind shield is provided between the cloth guide roller and the inner wall of the adjacent drying chamber.

[0017] According to the above technical solution, by setting up a wind shield, the movement path of the hot air in the drying chamber can be increased, ensuring that the hot air is in full contact with the filter cloth for drying, thereby effectively improving the drying efficiency; and the input hot air can penetrate the filter cloth for drying, thereby effectively ensuring the drying effect.

[0018] Optionally, the heater has an air outlet connected to the hot air inlet and an air inlet arranged opposite to the air outlet, a heat exchange tube group is provided between the air inlet and the air outlet, one end of the heat exchange tube group is connected to the steam tube group, and the other end is connected to the return water tube group, the steam tube group generates steam and inputs it into the heat exchange tube group for heat exchange with the air entering from the outside, and then condenses into water and enters the return water tube group.

[0019] According to the above technical solution, the steam and air heat exchange is provided by the steam pipe group, which has a high heat exchange efficiency. At the same time, by adjusting the steam flow and pressure, the steam temperature can be accurately controlled, and then the hot air temperature can be accurately controlled, which can effectively save energy consumption and reduce production costs.

[0020] Optionally, the air inlet is also provided with a protective cover.

[0021] According to the above technical solution, by providing a protective cover, it is possible to prevent burns caused by high temperature, and at the same time, it is possible to prevent dust accumulation from affecting the efficiency of hot air generation.

[0022] Optionally, the air outlet guiding assembly includes a first air duct connected to the hot air outlet, a second air duct connected to the first air duct, and a fan arranged between the first air duct and the second air duct, and the hot air in the drying chamber is guided to be discharged by the fan.

[0023] According to the above technical solution, the air outlet guide assembly can guide the hot air to be discharged from the drying chamber, thereby increasing the hot air flow rate, allowing the hot air to penetrate the filter cloth faster for drying, and further improving the drying efficiency. At the same time, a stable hot air channel can be formed between the hot air inlet and the hot air outlet to penetrate and dry the filter cloth, thereby ensuring the drying effect of the filter cloth.

[0024] Optionally, a temperature sensor is also provided in the first air duct, and a steam flow regulating valve is also provided in the steam pipe group. The temperature sensor is communicatively connected to the steam flow regulating valve. The temperature sensor monitors the outlet air temperature of the air outlet and controls the opening of the steam flow regulating valve according to the outlet air temperature, thereby adjusting the hot air drying temperature in the drying chamber accordingly.

[0025] According to the above technical solution, the temperature of the hot air generated after heat exchange by the heater can be accurately controlled in real time by controlling the steam flow rate, thereby maintaining the hot air drying temperature in the drying chamber and ensuring the drying effect on the filter cloth.

[0026] Optionally, the hot air outlet and the first air duct are arranged at the same vertical position or perpendicular to each other.

[0027] According to the above technical scheme, a vertical filter cloth drying device in which the hot air outlet and the first air duct are arranged at the same vertical position, or a horizontal filter cloth drying device in which the hot air outlet and the first air duct are arranged perpendicular to each other can be installed according to different production layout requirements, which effectively improves the applicability of the device and reduces the corresponding cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of a filter cloth drying device in a first embodiment of the present invention;

[0029] Figure 2 Schematic diagram of the structure of the filter cloth drying device in the second embodiment of the present invention.

[0030] Figure numerals: filter cloth drying device 100, cleaning device 101, frame 102, drying chamber 10, hot air inlet 11, hot air outlet 12, heater 13, steam pipe group 131, return pipe group 132, steam flow regulating valve 133, protective cover 134, cloth guide roller 14, wind shield 15, filter cloth 20, first air duct 31, second air duct 32, fan 33, infrastructure platform 34, chamber roof 35, vacuum water absorption assembly 40, first driving member 51, second driving member 52, inlet cloth guide 53, outlet cloth guide 54, filter cloth drying device 200, disinfection water tank 201. DETAILED DESCRIPTION

[0031] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0032] <First Embodiment>

[0033] refer to Figure 1 The filter cloth drying device 100 of this embodiment dries the cleaned filter cloth, and includes a drying chamber 10 for drying the filter cloth 20, having a filter cloth inlet and a filter cloth outlet.

[0034] The drying chamber 10 further comprises a hot air inlet 11 and a hot air outlet 12 which are arranged opposite to each other. The hot air inlet 11 is provided with a heater 13 , and the hot air outlet 12 is connected to an air outlet guide assembly.

[0035] A hot air channel is formed between the hot air inlet 11 and the hot air outlet 12. A plurality of cloth guide rollers 14 are arranged in the drying chamber 10. The plurality of cloth guide rollers 14 are staggered on the inner walls on both sides of the drying chamber 10 along the hot air channel. The filter cloth 20 is rolled up on the outer periphery of the cloth guide roller 14 in a spread state, so that the filter cloth 20 is spread in multiple layers in the hot air channel. The air entering from the outside passes through the heater 13 to form hot air and is passed into the drying chamber 10 through the hot air inlet 11 to perform hot air penetration and drying on the multi-layer spread filter cloth 20, and is discharged by the air outlet guide assembly.

[0036] Specifically, a plurality of cloth guide rollers 14 are staggeredly arranged on the inner walls of both sides of the drying chamber 10 along the hot air channel. The cloth guide rollers 14 drive the filter cloth to move forward, so that the filter cloth can be spread over a larger area. At the same time, the filter cloth can be spread in multiple layers inside the drying chamber 10. When hot air penetrates and dries, the contact area between the hot air and the filter cloth can be effectively guaranteed. In addition, by performing multi-layer penetration drying on the filter cloth, the drying effect of the filter cloth is further guaranteed, and the moisture, bacteria and odor on the filter cloth can be effectively removed, thereby ensuring the quality of the soy sauce when the filter cloth is used for subsequent squeezing production. At the same time, the filter cloth can be kept in a dry and clean state, and the corrosion of the filter cloth can be slowed down, thereby effectively extending the service life of the filter cloth.

[0037] Furthermore, the drying chamber 10 is mounted on a frame 102, and the frame 102 supports the drying chamber 10 and other components connected to the drying chamber 10, thereby maintaining the overall stability of the device.

[0038] The air outlet guide assembly includes a first air duct 31 connected to the hot air outlet 12 , a second air duct 32 connected to the first air duct 31 , and a fan 33 disposed between the first air duct 31 and the second air duct 32 , and the fan 33 guides the hot air from the drying chamber 10 to be discharged.

[0039] Specifically, the fan 33 can guide the hot air to be discharged from the drying chamber 10, thereby increasing the hot air flow rate, allowing the hot air to penetrate the filter cloth more quickly for drying, and further improving the drying efficiency. At the same time, a stable hot air channel can be formed between the hot air inlet 11 and the hot air outlet 12 to ensure the drying effect of the multiple layers of filter cloth spread in the hot air channel.

[0040] Furthermore, the fan 33 can be installed on the infrastructure platform 34 or the workshop floor, etc. The top end of the second air duct 32 can be set on the room ceiling 35 or other positions according to different production layouts, so as to guide and discharge the hot air accordingly.

[0041] A windshield 15 is provided between the cloth guide roller 14 and the inner wall of the adjacent drying chamber 10 .

[0042] Specifically, the windshield 15 is filled in the gap formed between the cloth guide roller 14 and the inner wall of the adjacent drying chamber 10, which can increase the movement path of the hot air in the drying chamber 10, thereby ensuring that the hot air is fully in contact with the filter cloth for drying, effectively improving the drying efficiency. In addition, the input hot air can penetrate the filter cloth for drying, effectively ensuring the drying effect.

[0043] The heater 13 has an air outlet connected to the hot air inlet 11 and an air inlet arranged opposite to the air outlet. A heat exchange tube group is arranged between the air inlet and the air outlet. One end of the heat exchange tube group is connected to the steam tube group 131, and the other end is connected to the return water tube group 132. The steam tube group 131 generates steam and inputs it into the heat exchange tube group for heat exchange with the air entering from the outside, and then condenses into water and enters the return water tube group 132.

[0044] Specifically, the steam pipe group 131 generates steam, which will be passed into the heat exchange pipe group of the heater 13. The external air is input from the air inlet, and after the heat exchange pipe group and the steam are exchanged, the air is heated and transported to the drying chamber 10 through the air outlet and the hot air inlet 11 for hot air penetration drying. At the same time, the steam forms condensed water after heat exchange, and the condensed water will be passed into the return pipe group 132 for recycling. Furthermore, the air is heated by steam heat exchange, which has a high heat exchange efficiency, and the steam temperature can be accurately controlled by adjusting the flow rate and pressure of the steam, and then the hot air temperature after heat exchange can be accurately controlled, which can effectively save energy consumption and reduce production costs.

[0045] Furthermore, a drain valve (not shown) is provided between the heater 13 and the return pipe group 132, through which the condensed water in the heater 13 can be automatically discharged to prevent the condensed water from accumulating, thereby ensuring the hot air heating efficiency.

[0046] Furthermore, a temperature sensor (not shown) is also provided in the first air duct 31, and a steam flow regulating valve 133 is also provided in the steam pipe group 131. The temperature sensor is communicatively connected or electrically connected to the steam flow regulating valve 133. The temperature sensor monitors the outlet air temperature of the air outlet and controls the opening of the steam flow regulating valve 133 according to the outlet air temperature, thereby adjusting the hot air drying temperature in the drying chamber 10 accordingly.

[0047] Specifically, after the hot air input from the hot air inlet 11 penetrates and dries the cleaned filter cloth 20, the temperature of the hot air drops accordingly and is discharged from the hot air outlet 12 to the first air duct 31. The temperature sensor in the first air duct 31 can detect the outlet temperature of the air discharged from the hot air outlet 12. The opening of the steam flow regulating valve 133 can be adjusted according to the outlet temperature to control the steam flow entering the heater 13, thereby correspondingly controlling the temperature of the hot air after being heated by the heater 13, which can effectively save energy while ensuring the drying effect of the filter cloth.

[0048] Furthermore, the hot air drying temperature is controlled to be 65°C-110°C. At the above hot air drying temperature, the moisture, bacteria and odor on the filter cloth can be effectively removed while ensuring the drying effect.

[0049] It can be understood that a temperature sensor can also be set at the hot air inlet 11 to monitor the inlet air temperature of the hot air inlet 11. The opening of the steam flow regulating valve 133 can be adjusted accordingly according to the inlet air temperature to adjust the hot air drying temperature in the drying chamber 10 accordingly.

[0050] Furthermore, the steam flow regulating valve 133 may also be connected to the controller, and the hot air drying temperature in the drying chamber 10 may be set by touch settings on a display screen or the like.

[0051] The air inlet is also provided with a protective cover 134 .

[0052] Specifically, the protective cover 134 is a wire mesh style protective cover. By setting the protective cover 134, it is possible to prevent burns caused by high temperature and prevent dust accumulation from affecting the efficiency of hot air generation.

[0053] Furthermore, the filter cloth inlet and the filter cloth outlet are both sealed, and the hot air inlet 11 and the air outlet, as well as the hot air outlet 12 and the first air duct 31 are all sealed and connected, which can effectively prevent the loss of hot air, thereby further ensuring the drying effect.

[0054] A vacuum water absorption component 40 is also provided outside the filter cloth inlet.

[0055] Specifically, the filter cloth 20 is washed under high pressure by the cleaning device 101. After the high pressure washing, the vacuum water absorption component 40 absorbs a large amount of water in the filter cloth by negative pressure and then transports the filter cloth to the drying chamber 10 for drying, which can effectively enhance the drying efficiency of the filter cloth.

[0056] A first driving member 51 is provided outside the filter cloth inlet, and a second driving member 52 is provided outside the filter cloth outlet. The filter cloth is driven by the first driving member 51 to enter the drying chamber 10 , and is driven by the second driving member 52 to move in the drying chamber 10 .

[0057] Specifically, the first driving member 51 is arranged outside the cleaning device 101, and the first driving member 51 drives the filter cloth 20 to move in the cleaning device 101 to clean the filter cloth, and drives the cleaned filter cloth to be input into the drying chamber 10, and the filter cloth 20 is pulled to move in the drying chamber 10 by the second driving member 52. The first driving member 51 and the second driving member 52 can realize automatic transportation of the filter cloth during the cleaning and drying process of the filter cloth, thereby effectively reducing the labor cost.

[0058] An inlet cloth guide 53 is provided between the first driving member 51 and the filter cloth inlet, and an outlet cloth guide 54 is provided between the second driving member 52 and the filter cloth outlet.

[0059] Specifically, the inlet cloth guide 53 is aligned with the filter cloth inlet, and the outlet cloth guide 54 is aligned with the filter cloth outlet. The inlet cloth guide 53 and the outlet cloth guide 54 can enable the filter cloth to stably enter or leave the drying chamber 10, preventing the filter cloth from deviating during the drying process.

[0060] Further, refer to Figure 1 The filter cloth drying device 100 in this embodiment is a horizontal filter cloth drying device, the drying chamber 10 is arranged in a horizontal form, the hot air outlet 12 of the drying chamber 10 and the vertically arranged first air duct 31 are arranged perpendicular to each other, and the heater 13, the hot air inlet 11, and the hot air outlet 12 are all located at the same horizontal position. The inlet cloth guide 53 and the outlet cloth guide 54 guide the filter cloth 20 into or out of the drying chamber 10 in the vertical direction, and the filter cloth 20 is spread in the drying chamber 10 in multiple layers by the cloth guide rollers 14 arranged staggered up and down, and the hot air will penetrate the filter cloth 20 spread in multiple layers in the drying chamber 10 in a horizontal direction, and be discharged to the outside through the vertically arranged first air duct 31 and the second air duct 32.

[0061] Further, refer to Figure 1 In this embodiment, hot air is transported from the hot air inlet 11 to the hot air outlet 12, and the filter cloth 20 is pulled along the hot air transport direction by the first driving member 51 and the second driving member 52, that is, in this embodiment, the hot air transport direction is consistent with the filter cloth travel direction. The downstream heat exchange design.

[0062] In some embodiments, when the production layout and installation position are not affected, a countercurrent heat exchange design can be formed by changing the corresponding layout, in which the hot air conveying direction is opposite to the filter cloth travel direction, and the countercurrent heat exchange design is the preferred heat exchange design, and the heat exchange effect is better than the cocurrent heat exchange.

[0063] The working process of the filter cloth drying device 100 of this embodiment is as follows:

[0064] The filter cloth 20 is pulled forward by the first driving member 51. After being cleaned in the cleaning device 101, a large amount of water is first absorbed by the vacuum water absorption assembly 40 and then input into the drying chamber 10. At the same time, the filter cloth 20 is pulled forward in the drying chamber 10 by the second driving member 52. The filter cloth 20 is spread in multiple layers inside the drying chamber 10 through multiple staggered cloth guide rollers 14. The air entering from the outside forms hot air after passing through the heater 13. The hot air enters the drying chamber 10 and penetrates the filter cloth 20 spread in multiple layers, dries the filter cloth 20, and is discharged through the first air duct 31 and the second air duct 32 under the operation of the fan 33.

[0065] <Second Embodiment>

[0066] refer to Figure 2Compared with the horizontal filter cloth drying device 100 in the first embodiment, the filter cloth drying device 200 in this embodiment has the same components as the filter cloth drying device 100, but is different in installation form and corresponding setting direction. The filter cloth drying device 200 in this embodiment is a vertical filter cloth drying device 200.

[0067] In this embodiment, the drying chamber 10 is arranged in a vertical form, the hot air outlet 12 of the drying chamber 10 and the vertically arranged first air duct 31 are arranged at the same vertical position, and the heater 13, the hot air inlet 11, and the hot air outlet 12 are all located at the same vertical position. The inlet cloth guide 53 and the outlet cloth guide 54 guide the filter cloth 20 into or out of the drying chamber 10 in the lateral direction, and the filter cloth 20 is spread in the drying chamber 10 in multiple layers by the cloth guide rollers 14 staggered on the left and right, and the hot air vertically penetrates the filter cloth 20 spread in multiple layers in the drying chamber 10, and is discharged to the outside through the vertically arranged first air duct 31 and the second air duct 32.

[0068] In this embodiment, the filter cloth 20 is sterilized and disinfected in a disinfection water tank 201 after being cleaned by the cleaning device 101, so as to further prevent the growth of bacteria.

[0069] According to the first embodiment and the second embodiment, the present invention can install a horizontal filter cloth drying device 100 or a vertical filter cloth drying device 200 according to different production layout requirements, which effectively improves the applicability of the device and reduces the corresponding cost.

[0070] At the same time, in terms of drying effect, both the horizontal filter cloth drying device 100 and the vertical filter cloth drying device 200 can achieve better filter cloth drying effect. Furthermore, when the drying chamber 10 is horizontally arranged, the filter cloth 20 can be spread in the drying chamber 10 with a larger contact area, and a better drying effect can be achieved through hot air penetration.

[0071] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter cloth drying device for drying the cleaned filter cloth, characterized in that: include: A drying chamber is used to dry the filter cloth, and has a filter cloth inlet and a filter cloth outlet. The drying chamber further comprises a hot air inlet and a hot air outlet which are arranged opposite to each other, the hot air inlet is provided with a heater, and the hot air outlet is connected with an air outlet guide assembly. A hot air channel is formed between the hot air inlet and the hot air outlet, a plurality of cloth guide rollers are arranged in the drying chamber, and the plurality of cloth guide rollers are staggeredly arranged on the inner walls on both sides of the drying chamber along the hot air channel, the filter cloth is rolled up on the outer periphery of the cloth guide roller in a spread state, so that the filter cloth is spread in multiple layers in the hot air channel, and the air entering from the outside passes through the heater to form hot air and is introduced into the drying chamber through the hot air inlet to perform hot air penetration and drying on the multi-layer spread filter cloth, and is guided and discharged by the air outlet guide assembly.

2. The filter cloth drying device according to claim 1, characterized in that: A vacuum water absorption component is also arranged outside the filter cloth inlet.

3. The filter cloth drying device according to claim 1, characterized in that: A first driving member is disposed outside the filter cloth inlet, and a second driving member is disposed outside the filter cloth outlet. The filter cloth is pulled into the drying chamber by the first driving member, and is simultaneously pulled to move in the drying chamber by the second driving member.

4. The filter cloth drying device according to claim 3, characterized in that: An inlet cloth guide is provided between the first driving member and the filter cloth inlet, and an outlet cloth guide is provided between the second driving member and the filter cloth outlet.

5. The filter cloth drying device according to claim 1, characterized in that: A windshield is provided between the cloth guide roller and the inner wall of the adjacent drying chamber.

6. The filter cloth drying device according to claim 1, characterized in that: The heater comprises an air outlet connected with the hot air inlet and an air inlet arranged opposite to the air outlet, a heat exchange tube group is arranged between the air inlet and the air outlet, one end of the heat exchange tube group is connected with a steam tube group, and the other end is connected with a return water tube group, the steam tube group generates steam and inputs it into the heat exchange tube group for heat exchange with the air entering from the outside, and then condenses into water and enters the return water tube group.

7. The filter cloth drying device according to claim 6, characterized in that: The air inlet is also provided with a protective cover.

8. The filter cloth drying device according to claim 7, characterized in that: The air outlet guiding assembly includes a first air duct connected to the hot air outlet, a second air duct connected to the first air duct, and a fan arranged between the first air duct and the second air duct, and the fan guides the hot air of the drying chamber to be discharged.

9. The filter cloth drying device according to claim 8, characterized in that: A temperature sensor is also provided in the first air duct, and a steam flow regulating valve is also provided in the steam pipe group. The temperature sensor is communicatively connected with the steam flow regulating valve. The temperature sensor monitors the air outlet temperature of the air outlet and controls the opening of the steam flow regulating valve according to the air outlet temperature, thereby adjusting the hot air drying temperature in the drying chamber accordingly.

10. The filter cloth drying device according to claim 8, characterized in that: The hot air outlet and the first air duct are arranged at the same vertical position or perpendicular to each other.

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