Drying equipment and drying method for glass fiber production

Abstract

The present invention belongs to the technical field of glass fiber production, and specifically relates to a drying device for glass fiber production and a drying method thereof. The drying device comprises a first drying component, a second drying component, a third drying component, a dehumidifier and a temperature regulator. The present invention arranges a group of dehumidifiers and a temperature regulator between the third drying component and the second drying component and between the second drying component and the first drying component, respectively, and then utilizes the dehumidifier to absorb water vapor in the used hot air, and then utilizes the temperature regulator to regulate the used hot air with a higher temperature to hot air with a lower temperature for continued use, thereby greatly improving the utilization rate of the hot air and saving the energy input required for the drying equipment.

Description

Technical Field

[0001] The invention belongs to the technical field of glass fiber production, in particular to a drying device for glass fiber production and a drying method thereof. Background Art

[0002] Drying of glass fiber after slurry impregnation is a key step that affects product performance and requires precise control based on slurry characteristics and process requirements. The following are the core issues that require attention and corresponding measures:

[0003] 1. Temperature range selection: Determine the drying temperature based on the thermal stability of the slurry material (such as resin or sizing agent). For example, the temperature of epoxy film-forming agents should not exceed 150°C to avoid molecular chain breakage and decreased bonding performance.

[0004] 2. Uniform heating and gradient heating: Use segmented heating to avoid local overheating and ensure that the slurry is fully solidified from the inside out;

[0005] 3. Optimize drying time: If the drying time is too short, the slurry will not be fully solidified, while if it is too long, the fiber may become brittle. The optimal drying time needs to be determined through experiments, usually 1-3 hours;

[0006] However, the existing glass fiber drying equipment does not clearly divide the drying temperature into sections, so that the drying temperature of the glass fiber after slurry impregnation cannot be accurately controlled, and the drying effect of the glass fiber at each stage cannot be guaranteed; at the same time, the existing drying equipment does not fully utilize the hot air for drying, resulting in energy waste, which in turn leads to a large amount of energy waste in the entire drying process. Summary of the Invention

[0007] To address the shortcomings of the existing technology, the present invention proposes a drying device and drying method for glass fiber production. The present invention primarily addresses the problem that existing glass fiber drying equipment does not clearly segment the drying temperature, thereby failing to ensure the drying effect of the glass fiber at each stage, and that existing drying equipment does not fully utilize the hot air used for drying, resulting in energy waste.

[0008] The technical solution adopted by the present invention to solve its technical problems is: the present invention provides a drying equipment for glass fiber production, including a first drying component, a second drying component, a third drying component, a dehumidifier and a temperature regulator; an air inlet channel is provided at the discharge end of the third drying component; the feed end of the third drying component transports hot air to the discharge end of the second drying component by passing through a group of the dehumidifiers and the temperature regulator in sequence; the feed end of the second drying component transports hot air to the discharge end of the first drying component through another group of the dehumidifiers and the temperature regulator; the dehumidifier is used to absorb water vapor in the hot air; and the temperature regulator is used to adjust the temperature of the hot air.

[0009] Preferably, the drying equipment for glass fiber production also includes a conveying roller, a reversing roller, a winding roller and a support frame; the first drying component, the second drying component and the third drying component are stacked vertically in sequence and fixedly connected to the support frame; the reversing roller and the winding roller are arranged in sequence on the periphery of the discharge end of the third drying component; the winding roller is used to wind up the dried glass fiber cloth; the reversing roller and the winding roller are connected to the support frame through a bracket; a conveying roller is arranged between the feed end of the third drying component and the discharge end of the second drying component, and between the feed end of the second drying component and the discharge end of the first drying component.

[0010] Preferably, the temperature regulator includes a first temperature sensor, a second temperature sensor, a cooler, a conversion channel and a controller; the first temperature sensor is arranged at the inlet of the conversion channel, the second temperature sensor is arranged at the outlet of the conversion channel, and the cooler is inside the conversion channel; the first temperature sensor, the second temperature sensor and the cooler are all connected to the controller through electrical signals.

[0011] Preferably, the cooler includes a cooling pipe, a guide port and a cooling fan; the conversion channel is penetrated by the evenly arranged cooling pipes; the guide port is provided at one end of the cooling pipe; the guide port is trumpet-shaped; the cooling fan is provided on one side of the guide port; the cooling fan is fixedly connected to the outer wall of one side of the conversion channel.

[0012] Preferably, baffles are provided at the air inlet channel and the air outlet channel of the third drying component and the air inlet channel and the air outlet channel of the second drying component; the baffles are used to limit the flow speed of the hot air.

[0013] Preferably, the first drying component includes an upper air supply cavity, a lower air supply cavity, an air uniforming plate and an air supply channel; the upper air supply cavity and the lower air supply cavity are spaced apart in the upper and lower directions; air supply holes are evenly spaced apart on the surface of the opposite side of the upper air supply cavity and the lower air supply cavity; the air uniforming plate is arranged in both the upper air supply cavity and the lower air supply cavity; the air uniforming plate is used to evenly disperse the hot air flowing out of the upper air supply cavity and the lower air supply cavity; the air supply channel connects the upper air supply cavity and the lower air supply cavity with the outlet of the temperature regulator.

[0014] Preferably, no baffle is provided between the upper gas delivery cavity and the lower gas delivery cavity at one end away from the gas delivery channel, and a guide channel is connected to the outer side of the end.

[0015] Preferably, both the upper and lower surfaces of the guide channel are provided with air outlet holes, and the diameters of the air outlet holes gradually and evenly increase along the outlet direction of the guide channel.

[0016] Preferably, the air-distributing plate is a mesh structure woven from asbestos fibers or metal wires.

[0017] A drying method for glass fiber production comprises the following steps:

[0018] S1: The glass fiber cloth after slurry treatment is sent into the guide channel for drying and preheating. The temperature of the hot air in the guide channel is gradually increased evenly between 20-50℃;

[0019] S2: The glass fiber cloth then enters the first drying component for drying and film formation. In the first drying component, the glass fiber cloth is dried from top to bottom by the upper and lower air supply cavities arranged opposite to each other. The temperature of the hot air in the first drying component is between 50-60°C.

[0020] S3: The glass fiber cloth then enters the second drying component for drying and shaping. In the second drying component, the glass fiber cloth is dried along the length direction by hot air flowing slowly and evenly. The temperature of the hot air in the second drying component is between 100-110°C.

[0021] S4: The glass fiber cloth then enters the third drying component for drying and curing. In the third drying component, the glass fiber cloth is dried along the length direction by a slow and even flow of hot air. The temperature of the hot air in the third drying component is between 120-180°C.

[0022] S5: The glass fiber cloth then passes through the reversing roller and is wound on the winding roller.

[0023] The beneficial effects of the present invention are as follows:

[0024] 1. In the present invention, the glass fiber cloth after slurry impregnation is sequentially dried by passing through a first drying component, a second drying component, and a third drying component. The drying temperatures of the first drying component, the second drying component, and the third drying component are successively increased. By drying the glass fiber cloth after slurry impregnation in multiple temperature gradients, not only can the slurry after slurry impregnation be made more uniform and beautiful, but the slurry after slurry impregnation can also be fully solidified from the inside out, thereby improving the processing quality of the glass fiber cloth. In addition, this solution provides a set of dehumidifiers and temperature regulators between the third drying component and the second drying component, and between the second drying component and the first drying component, respectively. The dehumidifiers are used to absorb the moisture in the used hot air, and the temperature regulators are used to adjust the used hot air with a higher temperature to a lower temperature for continued use, thereby greatly improving the utilization rate of the hot air and saving the energy required for the drying equipment.

[0025] 2. In this invention, the first and second temperature sensors detect the temperature of the hot air passing through the conversion channel and transmit this temperature data to the controller. The controller then dynamically adjusts the cooler power using a PID algorithm, thereby regulating the hot air at the conversion channel inlet to the desired temperature after passing through the cooler, thereby meeting the drying temperature requirements of subsequent drying components. This solution utilizes dual sensor feedback to enhance anti-interference capabilities, ensuring a more stable drying temperature for subsequent drying components and improving the drying effect of the fiberglass cloth.

[0026] 3. The present invention connects the temperature regulator outlet below the second drying component with the upper and lower air supply chambers through an air supply channel, so that the hot air after use of the second drying component can be transported to the interior of the upper and lower air supply chambers, and then the hot air flows out from the air supply holes after passing through the air uniforming plate, and then the glass fiber cloth can be dried up and down through the upper and lower air supply chambers arranged opposite to each other. The slow flow rates of the hot air dried up and down also offset each other, and the slurry on the surface of the glass fiber cloth can be dried by the hot air with low flow rate, stable flow direction and mutually offsetting flow before it is dried to form a film, thereby preventing the flow rate and flow direction of the hot air from blowing the slurry on the surface of the glass fiber cloth, thereby making the thickness of the slurry on the surface of the glass fiber cloth more uniform and the surface more beautiful, thereby improving the drying quality of the glass fiber cloth;

[0027] 4. The present invention does not provide a baffle at one end of the air delivery channel between the upper and lower air delivery cavities, thereby leaving that end open. Hot air that has completed the drying process in the first drying component flows out through this end. The outflowing hot air needs to flow along the guide channel for a distance, thereby preheating the glass fiber cloth inside the guide channel. This allows the glass fiber cloth to be preheated at a lower temperature, allowing the slurry on the surface of the glass fiber cloth to be dried at a lower temperature. The slurry on the surface of the glass fiber cloth can be dried and solidified uniformly from the inside out, thereby improving the drying effect of the glass fiber cloth and further increasing the utilization rate of the hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below with reference to the accompanying drawings.

[0029] Figure 1 It is a schematic diagram of the overall structure of the drying equipment of the present invention;

[0030] Figure 2 It is a schematic diagram of the internal structure of the drying equipment of the present invention;

[0031] Figure 3 is an internal cutaway view of the drying apparatus of the present invention;

[0032] Figure 4 yes Figure 3 A partial enlarged view of point A in the middle;

[0033] Figure 5 yes Figure 3 A partial enlarged view of point B in the middle;

[0034] Figure 6 1 is a schematic diagram of the internal structure of the dehumidifier and the temperature regulator in the present invention from a first viewing angle;

[0035] Figure 7 is a schematic diagram of the internal structure of the dehumidifier and the temperature regulator in the present invention from a second viewing angle;

[0036] Figure 8 It is a schematic diagram of the overall structure of the dehumidifier and temperature regulator in the present invention;

[0037] Figure 9 It is a structural schematic diagram of the diversion channel in the present invention;

[0038] In the figure: first drying component 1, upper air delivery cavity 11, lower air delivery cavity 12, air uniforming plate 13, air delivery channel 14, guide channel 15, air outlet 151, second drying component 2, third drying component 3, baffle 31, dehumidifier 4, temperature regulator 5, cooler 53, cooling pipe 531, guide port 532, cooling fan 533, conversion channel 54, conveying roller 6, reversing roller 7, winding roller 8, support frame 9. DETAILED DESCRIPTION

[0039] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0040] like Figures 1 to 5 As shown, a drying device for glass fiber production includes a first drying component 1, a second drying component 2, a third drying component 3, a dehumidifier 4 and a temperature regulator 5; an air inlet channel is provided at the discharge end of the third drying component 3; the feed end of the third drying component 3 transports hot air to the discharge end of the second drying component 2 by sequentially passing through a group of the dehumidifier 4 and the temperature regulator 5; the feed end of the second drying component 2 transports hot air to the discharge end of the first drying component 1 through another group of the dehumidifier 4 and the temperature regulator 5; the dehumidifier 4 is used to absorb water vapor in the hot air; and the temperature regulator 5 is used to adjust the temperature of the hot air.

[0041] After the slurry is impregnated, the glass fiber cloth is dried in sequence by passing through a first drying section 1, a second drying section 2, and a third drying section 3. The drying temperatures of the first drying section 1, the second drying section 2, and the third drying section 3 increase successively, to 50-60°C, 100-110°C, and 120-180°C, respectively. Drying the impregnated glass fiber cloth in multiple temperature gradients not only makes the impregnated slurry more uniform and beautiful, but also allows the impregnated slurry to be fully solidified from the inside out, thereby improving the processing quality of the glass fiber cloth. In addition, the present solution provides a set of dehumidifiers 4 and temperature regulators 5 between the third drying section 3 and the second drying section 2, and between the second drying section 2 and the first drying section 1, respectively. The dehumidifiers 4 absorb the moisture in the used hot air, and the temperature regulators 5 adjust the used and high-temperature hot air to a lower temperature for continued use, thereby greatly improving the utilization rate of the hot air and saving the energy required for the drying equipment.

[0042] like Figures 1 to 3As shown, the drying equipment for glass fiber production also includes a conveying roller 6, a reversing roller 7, a winding roller 8 and a support frame 9; the first drying component 1, the second drying component 2 and the third drying component 3 are stacked vertically in sequence and fixedly connected to the support frame 9; the reversing roller 7 and the winding roller 8 are sequentially arranged on the periphery of the discharge end of the third drying component 3; the winding roller 8 is used to rewind the dried glass fiber cloth; the reversing roller 7 and the winding roller 8 are connected to the support frame 9 through a bracket; a conveying roller 6 is arranged between the feed end of the third drying component 3 and the discharge end of the second drying component 2, and between the feed end of the second drying component 2 and the discharge end of the first drying component 1.

[0043] The first drying component 1, the second drying component 2, and the third drying component 3 in this embodiment are relatively long. Therefore, if they were arranged in a straight line, the entire drying apparatus would occupy a large area. Therefore, by stacking the first drying component 1, the second drying component 2, and the third drying component 3 in sequence vertically, the drying apparatus's footprint can be greatly reduced. Furthermore, the direction of the glass fiber cloth can be changed by the conveyor roller 6, so that it can pass through the first drying component 1, the second drying component 2, and the third drying component 3 in sequence, and then be wound up on the winding roller 8 after passing through the reversing roller 7, thereby making the overall structure of the drying apparatus more compact. Both the conveyor roller 6 and the winding roller 8 are driven by a motor and rotate synchronously, thereby ensuring that there is no relative friction between the slurry on the surface of the glass fiber cloth and the conveyor roller 6, thereby preventing the slurry on the surface of the glass fiber cloth from being deformed or scratched due to friction, thereby improving the processing quality of the glass fiber cloth.

[0044] like Figures 5 to 8 As shown, the temperature regulator 5 includes a first temperature sensor, a second temperature sensor, a cooler 53, a conversion channel 54 and a controller; the first temperature sensor is arranged at the inlet of the conversion channel 54, the second temperature sensor is arranged at the outlet of the conversion channel 54, and the cooler 53 is inside the conversion channel 54; the first temperature sensor, the second temperature sensor and the cooler 53 are all connected to the controller through electrical signals.

[0045] The first and second temperature sensors are used to detect the temperature of the hot air passing through the conversion channel 54 and transmit the temperature data to the controller. The controller then dynamically adjusts the power of the cooler 53 using the PID algorithm, thereby adjusting the hot air at the inlet of the conversion channel 54 to the required temperature after passing through the cooler 53, thereby meeting the drying temperature requirements of the subsequent drying components. The specific formula for the dynamic adjustment of the PID algorithm is as follows:

[0046] The controller collects the inlet temperature (T in ) and the outlet temperature (T out ), calculate the actual temperature difference:

[0047] ΔT=T out- T in

[0048] Set the target temperature difference to ΔT set (corresponding to the low temperature range requirement), the error function is:

[0049] e(t)=ΔT set- ΔT

[0050] The power P(t) of the cooler 53 is dynamically adjusted by the PID algorithm:

[0051] in:

[0052] is the proportional coefficient, which is used to quickly respond to temperature changes;

[0053] is the integral coefficient, used to eliminate steady-state error;

[0054] is the differential coefficient, used to suppress temperature fluctuations;

[0055] The above specific coefficients need to be calibrated based on the power characteristics, air flow rate and heat capacity parameters of the cooler 53.

[0056] To ensure the stability of the power regulation system of cooler 53, it is necessary to set the power regulation range:

[0057] P min ≤P(t)≤P max ;

[0058] At the same time, a threshold trigger mechanism is used: , start proportional regulation; when the deviation continues, enhance the integral effect.

[0059] In this solution, the anti-interference ability can be improved by adopting dual sensor feedback, thereby ensuring that the drying temperature of subsequent drying components is more stable, thereby improving the drying effect of the glass fiber cloth.

[0060] like Figures 5 to 8As shown, the cooler 53 includes a cooling pipe 531, a guide port 532 and a cooling fan 533; the conversion channel 54 is penetrated by the evenly arranged cooling pipes 531; the guide port 532 is set at one end of the cooling pipe 531; the guide port 532 is trumpet-shaped; the cooling fan 533 is set on one side of the guide port 532; the cooling fan 533 is fixedly connected to the outer wall of one side of the conversion channel 54.

[0061] The cooling fan 533 is connected to the controller through an electrical signal, and the controller can adjust the power of the cooling fan 533 to adjust the amount of cold air entering the cooling pipe 531, and then adjust the temperature of the hot air in the conversion channel 54, so that the temperature of the hot air at the outlet of the conversion channel 54 meets the requirements of the subsequent drying components.

[0062] like Figure 2 and Figure 5 As shown, baffles 31 are provided at the air inlet and outlet channels of the third drying component 3 and the air inlet and outlet channels of the second drying component 2; the baffles 31 are used to limit the flow speed of the hot air.

[0063] The baffle 31 can be a woven metal mesh or a metal plate with fine holes evenly distributed therein. By providing baffles 31 at the air inlet and outlet channels of the third drying component 3 and the air inlet and outlet channels of the second drying component 2, the baffles 31 at the air inlet can block the flow of hot air when hot air enters the third drying component 3 and the second drying component 2 while also ensuring uniform airflow. Furthermore, since the baffles 31 are also provided at the air outlet channels of the third drying component 3 and the second drying component 2, there is resistance to the outflow of hot air, resulting in a low flow rate and good temperature uniformity of the hot air entering the third drying component 3 and the second drying component 2. This allows the slurry on the surface of the glass fiber cloth to be evenly dried when the glass fiber cloth passes through the third drying component 3 and the second drying component 2, thereby improving the drying quality of the glass fiber cloth.

[0064] like Figures 3 to 5 As shown, the first drying component 1 includes an upper air supply cavity 11, a lower air supply cavity 12, an air uniforming plate 13 and an air supply channel 14; the upper air supply cavity 11 and the lower air supply cavity 12 are spaced apart from each other; air supply holes are evenly spaced apart on the surface of the opposite side of the upper air supply cavity 11 and the lower air supply cavity 12; the air uniforming plate 13 is arranged in both the upper air supply cavity 11 and the lower air supply cavity 12; the air uniforming plate 13 is used to evenly disperse the hot air flowing out of the upper air supply cavity 11 and the lower air supply cavity 12; the air supply channel 14 connects the upper air supply cavity 11 and the lower air supply cavity 12 with the outlet of the temperature regulator 5.

[0065] The outlet of the temperature regulator 5 below the second drying component 2 is connected to the upper air supply chamber 11 and the lower air supply chamber 12 through the air supply channel 14, so that the hot air after use of the second drying component 2 can be transported to the upper air supply chamber 11 and the lower air supply chamber 12, and the hot air flows out from the air supply hole after passing through the air uniforming plate 13, and the glass fiber cloth can be dried up and down through the relatively arranged upper air supply chamber 11 and the lower air supply chamber 12, and the slow flow rates of the hot air dried up and down also offset each other, and the slurry on the surface of the glass fiber cloth can be dried by the hot air with low flow rate, stable flow direction and mutual offset before it is dried to form a film, thereby preventing the flow rate and flow direction of the hot air from blowing the slurry on the surface of the glass fiber cloth, thereby making the thickness of the slurry on the surface of the glass fiber cloth more uniform and the surface more beautiful, thereby improving the drying quality of the glass fiber cloth.

[0066] like Figures 1 to 3 As shown, no baffle is provided at the end between the upper gas delivery cavity 11 and the lower gas delivery cavity 12 away from the gas delivery channel 14 , and a guide channel 15 is connected to the outer side of the end.

[0067] By not providing a baffle at one end of the upper air delivery cavity 11 and the lower air delivery cavity 12 away from the air delivery channel 14, thus leaving that end open, the hot air that has completed the drying process in the first drying component 1 flows out through this end. The outflowing hot air needs to flow along the guide channel 15 for a distance, thereby preheating the glass fiber cloth inside the guide channel 15, thereby enabling the glass fiber cloth to be preheated at a lower temperature, thereby enabling the slurry on the surface of the glass fiber cloth to be dried at a lower temperature, thereby enabling the slurry on the surface of the glass fiber cloth to be dried and solidified uniformly from the inside out, thereby improving the drying effect of the glass fiber cloth and further increasing the utilization rate of the hot air.

[0068] like Figure 9 As shown, air outlet holes 151 are provided on the upper and lower surfaces of the guide channel 15 , and the diameters of the air outlet holes 151 gradually and evenly increase along the outlet direction of the guide channel 15 .

[0069] By setting the diameter of the air outlet holes 151 on the guide channel 15 to gradually and evenly increase along the outlet direction of the guide channel 15, when the hot air flows along the guide channel 15, the hot air diffuses out from the air outlet holes 151. Because the larger air outlet holes 151 lose more heat, the heat of the hot air that the glass fiber cloth contacts after entering from the outlet of the guide channel 15 gradually increases, so that the slurry on the surface of the glass fiber cloth can be dried at a lower and gradually increasing temperature, and the slurry on the surface of the glass fiber cloth can be evenly dried and solidified from the inside to the outside, thereby improving the drying effect of the glass fiber cloth.

[0070] The air-distributing plate 13 is a mesh structure woven from asbestos fibers or metal wires.

[0071] like Figures 1 to 5 As shown, a drying method for glass fiber production comprises the following steps:

[0072] S1: The glass fiber cloth after the slurry treatment is sent into the guide channel 15 for drying and preheating. The temperature of the hot air in the guide channel 15 is gradually and evenly increased between 20-50°C;

[0073] S2: The glass fiber cloth then enters the first drying component 1 for drying and film formation. In the first drying component 1, the glass fiber cloth is dried from top to bottom by the upper and lower air supply cavities 11 and 12 that are arranged opposite to each other. The temperature of the hot air in the first drying component 1 is between 50-60°C.

[0074] S3: The glass fiber cloth then enters the second drying section 2 for drying and shaping. In the second drying section 2, the glass fiber cloth is dried along the length direction by a slow and even flow of hot air. The temperature of the hot air in the second drying section 2 is between 100-110°C.

[0075] S4: The glass fiber cloth then enters the third drying section 3 for drying and curing. In the third drying section 3, the glass fiber cloth is dried along its length by a slow and even flow of hot air. The temperature of the hot air in the third drying section 3 is between 120°C and 180°C.

[0076] S5: The glass fiber cloth then passes through the reversing roller 7 and is wound onto the winding roller 8.

[0077] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are protected by the present invention.

Claims

1. A drying equipment for glass fiber production, characterized by: The invention comprises a first drying component (1), a second drying component (2), a third drying component (3), a dehumidifier (4) and a temperature regulator (5); an air inlet channel is provided at the discharge end of the third drying component (3); the feed end of the third drying component (3) conveys hot air to the discharge end of the second drying component (2) by sequentially passing through a group of the dehumidifier (4) and the temperature regulator (5); the feed end of the second drying component (2) conveys hot air to the discharge end of the first drying component (1) through another group of the dehumidifier (4) and the temperature regulator (5); the dehumidifier (4) is used to absorb water vapor in the hot air; the temperature regulator (5) is used to adjust the temperature of the hot air; The drying equipment for glass fiber production also includes a conveying roller (6), a reversing roller (7), a winding roller (8) and a support frame (9); the first drying component (1), the second drying component (2) and the third drying component (3) are stacked vertically in sequence and fixedly connected to the support frame (9); the reversing roller (7) and the winding roller (8) are sequentially arranged on the periphery of the discharge end of the third drying component (3); the winding roller (8) is used to rewind the dried glass fiber cloth; the reversing roller (7) and the winding roller (8) are connected to the support frame (9) through a bracket; a conveying roller (6) is arranged between the feed end of the third drying component (3) and the discharge end of the second drying component (2), and between the feed end of the second drying component (2) and the discharge end of the first drying component (1).

2. A drying equipment for glass fiber production according to claim 1, characterized in that: The temperature regulator (5) comprises a first temperature sensor, a second temperature sensor, a cooler (53), a conversion channel (54) and a controller; the first temperature sensor is arranged at the inlet of the conversion channel (54), the second temperature sensor is arranged at the outlet of the conversion channel (54), and the cooler (53) is inside the conversion channel (54); the first temperature sensor, the second temperature sensor and the cooler (53) are all connected to the controller via electrical signals.

3. A drying equipment for glass fiber production according to claim 2, characterized in that: The cooler (53) comprises a cooling pipe (531), a flow guide port (532) and a cooling fan (533); the conversion channel (54) is penetrated by the evenly arranged cooling pipes (531); one end of the cooling pipe (531) is provided with the flow guide port (532); the flow guide port (532) is trumpet-shaped; the cooling fan (533) is provided on one side of the flow guide port (532); the cooling fan (533) is fixedly connected to an outer wall of one side of the conversion channel (54).

4. The drying equipment for glass fiber production according to claim 1, characterized in that: Baffles (31) are provided at the air inlet and outlet channels of the third drying component (3) and the air inlet and outlet channels of the second drying component (2); the baffles (31) are used to limit the flow rate of the hot air.

5. The drying equipment for glass fiber production according to claim 1, characterized in that: The first drying component (1) comprises an upper air delivery chamber (11), a lower air delivery chamber (12), an air distribution plate (13) and an air delivery channel (14); the upper air delivery chamber (11) and the lower air delivery chamber (12) are spaced apart from each other; air delivery holes are evenly spaced apart on the surface of the upper air delivery chamber (11) and the lower air delivery chamber (12) on the opposite side; the air distribution plate (13) is provided in both the upper air delivery chamber (11) and the lower air delivery chamber (12); the air distribution plate (13) is used to evenly disperse the hot air flowing out of the upper air delivery chamber (11) and the lower air delivery chamber (12); the air delivery channel (14) connects the upper air delivery chamber (11) and the lower air delivery chamber (12) with the outlet of the temperature regulator (5).

6. The drying equipment for glass fiber production according to claim 5, characterized in that: No baffle is provided at one end between the upper gas delivery cavity (11) and the lower gas delivery cavity (12) away from the gas delivery channel (14), and a guide channel (15) is connected to the outer side of the end.

7. The drying equipment for glass fiber production according to claim 6, characterized in that: Air outlet holes (151) are provided on both the upper and lower surfaces of the guide channel (15), and the diameter of the air outlet holes (151) gradually and evenly increases along the outlet direction of the guide channel (15).

8. The drying equipment for glass fiber production according to claim 5, characterized in that: The air-distributing plate (13) is a mesh structure woven from asbestos fibers or metal wires.

9. A drying method for glass fiber production, applicable to the drying equipment for glass fiber production according to any one of claims 1 to 8, characterized in that: The steps include: S1: The glass fiber cloth after the slurry treatment is sent into the guide channel (15) for drying and preheating. The temperature of the hot air in the guide channel (15) is gradually and evenly increased between 20-50°C; S2: The glass fiber cloth then enters the first drying component (1) for drying and film formation. In the first drying component (1), the glass fiber cloth is dried from top to bottom by the upper air delivery cavity (11) and the lower air delivery cavity (12) arranged opposite to each other. The temperature of the hot air in the first drying component (1) is between 50° C. and 60° C. S3: The glass fiber cloth then enters the second drying component (2) for drying and shaping. In the second drying component (2), the glass fiber cloth is dried along the length direction by hot air flowing slowly and evenly. The temperature of the hot air in the second drying component (2) is between 100-110°C. S4: The glass fiber cloth then enters the third drying component (3) for drying and curing. In the third drying component (3), the glass fiber cloth is dried along the length direction by hot air flowing slowly and evenly. The temperature of the hot air in the third drying component (3) is between 120° C. and 180° C. S5: The glass fiber cloth then passes through the reversing roller (7) and is wound onto the winding roller (8).

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