A storage device, storage system and storage method for carbon fiber precursor.

Abstract

This disclosure provides a storage device, system, and method for carbon fiber precursor. The carbon fiber precursor storage device includes: a storage chamber for holding the carbon fiber precursor to be stored; and a temperature control device for regulating the temperature within the storage chamber. The temperature control device includes a heat exchange section and a heat dissipation section disposed within the storage chamber. The heat exchange section includes a first heat exchange flow path and a second heat exchange flow path. The first heat exchange flow path is connected to a heat source medium in the carbon fiber precursor production equipment, and the second heat exchange flow path is connected to the heat dissipation section. This carbon fiber precursor storage device can control the temperature of the storage chamber containing the carbon fiber precursor, maintaining the temperature within the storage chamber within a suitable range, thus solving the problem of moisture and oil evaporation caused by unsuitable storage temperature. Furthermore, the heat source medium in the first heat exchange flow path originates from the carbon fiber precursor production equipment itself, thereby improving energy utilization during the carbon fiber precursor production process and reducing storage costs.

Description

Technical Field

[0001] This disclosure relates to the field of storage technology, and in particular to a storage device, storage system and storage method for carbon fiber precursor. Background Technology

[0002] After the carbon fiber precursor is produced, it usually needs to be stored in a warehouse for a period of time. The carbon fiber precursor is then released from the warehouse according to the demand of the carbonization workshop. During the storage period, the moisture and oil in the carbon fiber precursor will evaporate due to climate and storage conditions. This will cause problems such as high static electricity and poor bundle cohesion in the carbon fiber precursor during the unwinding process. In the subsequent carbonization process, problems such as fiber breakage and entanglement are likely to occur, making it difficult for the carbon fiber production line to operate smoothly. Summary of the Invention

[0003] To address the problems existing in related technologies, this disclosure provides a storage device, storage system, and storage method for carbon fiber precursor.

[0004] According to a first aspect of the present disclosure, a storage device for carbon fiber precursor is provided, comprising:

[0005] Storage chamber, used to hold carbon fiber precursors to be stored;

[0006] A temperature control device is provided for regulating the temperature inside the storage cavity. The temperature control device includes a heat exchange section and a heat dissipation section disposed inside the storage cavity. The heat exchange section includes a first heat exchange flow path and a second heat exchange flow path. The first heat exchange flow path is connected to the heat source medium in the carbon fiber precursor production equipment. The second heat exchange flow path is connected to the heat dissipation section. The heat exchange medium in the second heat exchange flow path is used to exchange heat with the heat source medium in the first heat exchange flow path to absorb the heat from the heat source medium. The heat exchange medium dissipates heat through the heat dissipation section.

[0007] In some embodiments of this disclosure, the heat dissipation portion includes a plurality of heat-supplying plate-like structures, which are disposed on the side cavity wall of the storage cavity and are evenly distributed in the direction surrounding the top cavity wall of the storage cavity; each heat-supplying plate-like structure includes a heat-supply cavity.

[0008] One end of the second heat exchange flow path is connected to the heat exchange medium storage section, and the other end of the second heat exchange flow path is connected to the heating chamber. The heat exchange medium storage section, the second heat exchange flow path, and the heating chamber form a loop. The heat exchange medium can circulate through the heat exchange medium storage section, the second heat exchange flow path, and the heating chamber. The heat exchange medium outlet of the heating chamber is provided with a filter device.

[0009] In some embodiments of this disclosure, one end of the first heat exchange flow path is connected to the heat source medium output end in the carbon fiber precursor production equipment, and the other end of the first heat exchange flow path is connected to the heat exchange section. The heat source medium flows from the heat source medium output end to the heat exchange section through the first heat exchange flow path. The heat exchange medium and the heat source medium exchange heat in the heat exchange section.

[0010] In some embodiments of this disclosure, the storage device further includes a humidity control device; the humidity control device includes a desalination water spraying device, the desalination water spraying device comprising:

[0011] A nozzle is disposed on the top wall of the storage cavity, and the nozzle is used to spray demineralized water mist into the storage cavity;

[0012] A pumping device for pumping demineralized water to the nozzle.

[0013] In some embodiments of this disclosure, the humidity control device further includes a wind power device for dispersing the desalinated water mist sprayed by the nozzle; the wind power device is disposed on the top wall of the storage chamber and close to the nozzle.

[0014] In some embodiments of this disclosure, the storage device further includes:

[0015] Multiple temperature detection devices are disposed on the side wall of the storage cavity and close to the top wall of the storage cavity; the temperature detection devices are evenly distributed in the direction surrounding the top wall of the storage cavity.

[0016] Multiple humidity detection devices are disposed on the side wall of the storage cavity and close to the top wall of the storage cavity; the humidity detection devices are evenly distributed in the direction surrounding the top wall of the storage cavity.

[0017] In some embodiments of this disclosure, the storage device further includes:

[0018] A control device is connected to the temperature detection device, the humidity detection device, the temperature control device, and the humidity control device. The control device is used to control the flow rate of the heat source medium through the heat exchange section based on the temperature in the storage cavity detected by the temperature detection device, and to control the opening degree of the pumping device and the wind speed of the wind force output by the wind power device based on the humidity in the storage cavity detected by the humidity detection device.

[0019] And / or,

[0020] An alarm device is provided, which is connected to the temperature detection device and the humidity detection device; the alarm device issues an alarm signal when the temperature detected by the temperature detection device exceeds a preset temperature, or when the humidity detected by the humidity detection device exceeds a preset humidity.

[0021] In some embodiments of this disclosure, a closable door is provided on one side wall of the storage cavity, and when the door is closed, the storage cavity forms a sealed structure.

[0022] According to a second aspect of the present disclosure, a storage system for carbon fiber precursor is provided, the storage system comprising:

[0023] Such as the storage equipment for carbon fiber precursors mentioned above;

[0024] The drying drum in the carbon fiber precursor drying process; the heat source medium includes the steam condensate output from the drying drum.

[0025] According to a third aspect of the present disclosure, a method for storing carbon fiber precursor is provided, comprising:

[0026] The carbon fiber precursor is placed in a carbon fiber precursor storage device;

[0027] The flow rate of the heat source medium through the heat exchange section is controlled based on the temperature in the storage cavity detected by the temperature detection device of the storage device.

[0028] Based on the humidity in the storage cavity detected by the humidity detection device of the storage device, the opening degree of the pumping device in the humidity control device of the storage device and the wind speed of the wind force output by the wind power device in the humidity control device are controlled.

[0029] The beneficial effects of this disclosure include, but are not limited to: the carbon fiber precursor storage device provided by this disclosure can control the temperature of the storage chamber containing the carbon fiber precursor, maintaining the temperature within the storage chamber within a suitable range. This solves the problem of moisture and oil evaporation caused by unsuitable storage temperature, which leads to high static electricity and poor bundle bonding during the unwinding process of the carbon fiber precursor. Furthermore, the heat source medium in the first heat exchange path comes from the carbon fiber precursor production equipment itself, thus improving the energy utilization rate in the carbon fiber precursor production process and eliminating the need for an additional heat source for the storage device, thereby reducing storage costs.

[0030] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0031] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of these embodiments. In these drawings, similar reference numerals are used to denote similar elements. The drawings described below are some embodiments of the present disclosure, but not all embodiments. Other drawings will be readily available to those skilled in the art based on these drawings without inventive effort.

[0032] Figure 1 A schematic diagram of a carbon fiber precursor storage device according to an exemplary embodiment of the present disclosure;

[0033] Figure 2 A schematic diagram of a carbon fiber precursor storage system according to an exemplary embodiment of the present disclosure;

[0034] Figure 3 This is a schematic diagram of a humidity control device according to an exemplary embodiment of the present disclosure;

[0035] Figure 4 This is a schematic flowchart of a method for storing carbon fiber precursor fibers, which is an exemplary embodiment of this disclosure. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this disclosure clearer, the technical solutions of this disclosure will be clearly and completely described below in conjunction with the embodiments of this disclosure. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this disclosure can be arbitrarily combined with each other.

[0037] In related technologies, the method of storing carbon fiber precursor is to cover it with protective bags during storage. This storage method has poor protective effect and requires manual bagging of each spool, which increases workload and production costs.

[0038] To address the aforementioned technical problems, this disclosure provides a storage device for carbon fiber precursor. This storage device can control the temperature of the storage chamber containing the carbon fiber precursor, maintaining the temperature within a suitable range. This solves the problem of moisture and oil evaporation caused by unsuitable storage temperature, which leads to high static electricity and poor bundle bonding during the unwinding process. Furthermore, the heat source medium in the first heat exchange path originates from the carbon fiber precursor production equipment itself, thus improving energy utilization during the carbon fiber precursor production process and eliminating the need for an additional heat source for the storage device, thereby reducing storage costs.

[0039] This disclosure provides a storage device for carbon fiber precursor, combined with Figure 1-2 As shown, the storage device 100 includes a storage chamber 10 and a temperature control device. The storage chamber 10 is used to hold carbon fiber precursors to be stored. The temperature control device is used to regulate the temperature within the storage chamber. The temperature control device includes a heat exchange section 72 and a heat dissipation section 20 disposed within the storage chamber. The heat exchange section 72 includes a first heat exchange flow path 75 and a second heat exchange flow path 74. The first heat exchange flow path 75 is connected to the heat source medium in the carbon fiber precursor production equipment, and the second heat exchange flow path 74 is connected to the heat dissipation section 20. The heat exchange medium in the second heat exchange flow path 74 exchanges heat with the heat source medium in the first heat exchange flow path 75 to absorb heat from the heat source medium. The heat exchange medium dissipates heat through the heat dissipation section 20. This storage device 100 can control the temperature of the storage chamber 10 containing the carbon fiber precursors, maintaining the temperature within the storage chamber 10 within a suitable range. This solves the problem of moisture and oil evaporation caused by unsuitable storage temperature, which leads to high static electricity and poor bundle properties in the carbon fiber precursors during the unwinding process. In addition, the heat source medium in the first heat exchange flow path comes from the carbon fiber precursor production equipment itself, which can improve the energy utilization rate in the carbon fiber precursor production process and eliminate the need to provide an additional heat source for the storage equipment, thereby reducing storage costs.

[0040] For example, the heat source medium in the carbon fiber precursor production equipment can be the steam condensate generated during the drying process in the carbon fiber precursor production workshop. Specifically, when drying the carbon fiber precursor using a drying drum, steam at a temperature of approximately 170-200°C is introduced into the drum to heat it, thereby drying the carbon fiber precursor. When the steam exits the drum, condensate at 70-80°C is formed. Using this 70-80°C drying steam condensate as the heat source medium in the storage device allows for heat exchange with the heat exchange medium, increasing its temperature. This improves the energy utilization rate in the carbon fiber precursor production process and eliminates the need for an additional heat source, thus reducing storage costs.

[0041] For example, a three-dimensional shelf for placing carbon fiber precursors can be provided in the storage cavity 10, so that the carbon fiber precursors can be arranged and organized, making it convenient to place and retrieve the carbon fiber precursors.

[0042] For example, both the heat exchange medium and the heat source medium can be water. The heat exchange section 72 can be a plate heat exchanger.

[0043] In one embodiment, such as Figure 1As shown, the heat dissipation section includes multiple heat-supplying plate-like structures 20, which are disposed on the side cavity wall of the storage cavity 10. The heat-supplying plate-like structures 20 are evenly distributed in the direction surrounding the top cavity wall of the storage cavity 10, and each heat-supplying plate-like structure 20 includes a heat-supply cavity. For example, the heat-supplying plate-like structure 20 can be a radiator, with multiple radiators fixed to the side cavity wall of the storage cavity 10 and evenly arranged in the direction surrounding the top cavity wall of the storage cavity. Each radiator has a heat-supply cavity, and the heat exchange medium flowing through the heat-supply cavity can dissipate heat into the storage cavity, thereby maintaining the temperature inside the storage cavity 10 within a suitable range and solving the problem of moisture and oil evaporation caused by unsuitable storage temperature of the carbon fiber precursor.

[0044] In one embodiment, combined with Figure 1-2 As shown, one end of the second heat exchange flow path 74 is connected to the heat exchange medium storage section 92, and the other end is connected to the heating chamber 81. The heat exchange medium storage section 92, the second heat exchange flow path 74, and the heating chamber 81 form a loop, allowing the heat exchange medium to circulate through them. A filter device 82 is provided at the heat exchange medium outlet of the heating chamber 81. The circulation of the heat exchange medium between the heat exchange medium storage section 92, the second heat exchange flow path 74, and the heating chamber 81 maintains the temperature of the heat exchange medium in the heating chamber 81 within a suitable range, thus solving the problem of moisture and oil evaporation caused by unsuitable storage temperatures in the carbon fiber precursor.

[0045] For example, the filtering device 82 can be a filter that filters the heat exchange medium flowing from the heating chamber 81 to the heat exchange medium storage section 92, so as to prevent the heat exchange medium flowing out of the heating chamber 81 from containing impurities that could block the pipeline or cause impurities to accumulate in the heat exchange medium storage section 92 and damage it.

[0046] For example, a centrifugal pump 91 may also be provided between the heat exchange medium storage section 92 and the heat exchange section 72. The centrifugal pump 91 can pump the heat exchange medium filtered in the heat exchange section 72 to the heat exchange medium storage section 92.

[0047] In one embodiment, combined with Figure 1-2As shown, one end of the first heat exchange flow path 75 is connected to the heat source medium output end in the carbon fiber precursor production equipment, and the other end of the first heat exchange flow path 75 is connected to the heat exchange section 72. The heat source medium flows from the heat source medium output end through the first heat exchange flow path 75 to the heat exchange section 72; the heat exchange medium and the heat source medium exchange heat in the heat exchange section 72. The heat source medium flows out from the heat source medium output end in the carbon fiber precursor production equipment, flows through the first heat exchange flow path 75 to the heat exchange section 72, and can exchange heat with the heat exchange medium in the heat exchange section 72, transferring heat to the heat exchange medium and raising the temperature of the heat exchange medium. This causes the heat exchange medium to dissipate heat into the storage chamber 10 when it flows to the heating chamber 81, thereby maintaining the temperature in the storage chamber 10.

[0048] For example, the heat source medium in the carbon fiber precursor production equipment can be the steam condensate generated in the drying process of the carbon fiber precursor production workshop. Specifically, when drying the carbon fiber precursor through the drying drum 71, steam at a temperature of approximately 170-200°C is introduced into the drying drum 71 to heat it, thereby drying the carbon fiber precursor. When the steam exits from the drying drum 71, condensate at 70-80°C is formed. Using this 70-80°C drying steam condensate as the heat source medium in the storage device allows for heat exchange with the heat exchange medium, increasing its temperature. This improves the energy utilization rate in the carbon fiber precursor production process and eliminates the need for an additional heat source, thus reducing storage costs.

[0049] In one embodiment, combined with Figure 1-3 As shown, the storage device also includes a humidity control device; the humidity control device includes a demineralized water spraying device, which includes a nozzle 60 and a pumping device 62. The nozzle 60 is disposed on the top wall of the storage chamber 10 and is used to spray demineralized water mist into the storage chamber 10. The pumping device 62 is used to pump demineralized water to the nozzle 60. For example, the pumping device 62 can be a high-pressure pump. After the high-pressure pump pumps the demineralized water from the demineralized water storage tank 63 to the nozzle 60 disposed on the top wall of the storage chamber 10, it can form fine demineralized water mist particles. The nozzle 60 sprays these fine demineralized water mist particles into the storage chamber 10. These fine demineralized water mist particles can evaporate rapidly, increasing the humidity in the air inside the storage chamber 10, reducing the evaporation of moisture and oil in the carbon fiber precursor, and avoiding the problems of high static electricity and poor bundle cohesion during the unwinding process of the carbon fiber precursor due to drying. The nozzle 60 is located on the top wall of the storage chamber 10, which can better spray the desalinated water mist over the storage chamber 10 as large an area as possible, so as to make the humidity in the storage chamber 10 uniform and avoid the problem of uneven humidity of the carbon fiber filaments stored in the storage chamber 10 due to uneven spraying of desalinated water mist.

[0050] In one embodiment, such as Figure 1-3As shown, the humidity control device also includes a fan 61, which is used to disperse the demineralized water mist sprayed by the nozzle 60. The fan 61 is disposed on the top wall of the storage chamber 10 and close to the nozzle 60. For example, the fan 61 can be a blower. The nozzle 60 is disposed on the top wall of the storage chamber 10. After the pumping device 62 pumps the demineralized water from the demineralized water storage tank 63 to the nozzle 60, the nozzle 60 sprays demineralized water mist into the storage chamber 10. The fan 61, disposed on the top wall of the storage chamber 10 and close to the nozzle 60, can quickly disperse the demineralized water mist sprayed by the nozzle 60 over the largest possible area in the storage chamber 10, increasing the humidity in the air inside the storage chamber 10, so that the humidity is even throughout the storage chamber 10, avoiding the problem of uneven humidity of the carbon fiber filaments stored in the storage chamber 10 due to uneven spraying of demineralized water mist.

[0051] In one embodiment, the storage device further includes multiple temperature detection devices and multiple humidity detection devices. The temperature detection devices are disposed on the side walls of the storage cavity and close to the top wall of the storage cavity, and are evenly distributed along the direction surrounding the top wall of the storage cavity. The humidity detection devices are disposed on the side walls of the storage cavity and close to the top wall of the storage cavity (e.g., disposed on the side walls 1-2 meters away from the top wall), and are evenly distributed along the direction surrounding the top wall of the storage cavity. The temperature and humidity detection devices can respectively detect the temperature and humidity within the storage cavity in real time, so as to strictly control the temperature and humidity within the storage cavity and maintain the storage conditions of the carbon fiber precursor in a suitable state. The even distribution of the temperature and humidity detection devices along the direction surrounding the top wall of the storage cavity can detect the temperature and humidity at all points within the storage cavity as much as possible, so as to accurately control the temperature and humidity at all points within the storage cavity. For example, as... Figure 1 As shown, the temperature detection device and the humidity detection device can be integrated into one unit, that is, one temperature detection device and one humidity detection device are set together to form a temperature and humidity detection device 40, which is set on the side cavity wall of the storage cavity 10 and close to the top cavity wall of the storage cavity 10.

[0052] In one embodiment, combined with Figure 1-3 As shown, the storage device 100 also includes a control device 90, which is connected to a temperature detection device, a humidity detection device, a temperature control device, and a humidity control device. The control device 90 is used to control the flow rate of the heat source medium through the heat exchange section 72 based on the temperature detected by the temperature detection device in the storage cavity, and to control the opening degree of the pumping device 62 and the wind speed of the air force output by the fan device 61 based on the humidity detected by the humidity detection device in the storage cavity 10. This enables real-time detection and precise control of the temperature and humidity inside the storage cavity 10.

[0053] For example, the temperature detection device can preset a temperature range, such as 20-25°C. When the temperature detection device detects that the temperature in the storage chamber 10 is below 20°C, it transmits a signal to the control device 90. The control device 90, based on the signal transmitted by the temperature detection device, increases the flow rate of the heat source medium through the heat exchange section 72 to increase the outlet temperature of the heat exchange medium in the heat exchange section 72, thereby increasing the heat dissipation of the heat exchange medium when flowing through the heating chamber 81, thus achieving the effect of increasing the temperature in the storage chamber 10. When the temperature detection device detects that the temperature in the storage chamber 10 is above 25°C, it transmits a signal to the control device 90. The control device 90, based on the signal transmitted by the temperature detection device, decreases the flow rate of the heat source medium through the heat exchange section 72 to decrease the outlet temperature of the heat exchange medium in the heat exchange section 72, thereby decreasing the heat dissipation of the heat exchange medium when flowing through the heating chamber 81, thus reducing the effect of controlling the temperature in the storage chamber 10. For example, the humidity detection device can preset a humidity range, such as 50-70%. When the humidity detection device detects that the humidity in the storage chamber 10 is below 50%, it sends a signal to the control device 90. The control device 90, based on the signal from the humidity detection device, increases the opening of the pumping device 62 and the wind speed of the fan device 61 to increase the speed and flow rate of the demineralized water mist sprayed by the nozzle 60, thereby increasing the humidity in the storage chamber 10. When the humidity detection device detects that the humidity in the storage chamber 10 is above 70%, it sends a signal to the control device 90. The control device 90, based on the signal from the humidity detection device, decreases the opening of the pumping device 62 and the wind speed of the fan device 61, or directly shuts down the pumping device 62 and the fan device 61 to decrease the speed and flow rate of the demineralized water mist sprayed by the nozzle 60, or stops spraying the demineralized water mist into the storage chamber 10, thereby reducing the humidity in the storage chamber 10.

[0054] In one embodiment, such as Figure 1 As shown, the storage device 100 also includes an alarm device 50, which is connected to a temperature detection device and a humidity detection device. When the temperature detected by the temperature detection device exceeds the preset temperature, or when the humidity detected by the humidity detection device exceeds the preset humidity, the alarm device 50 issues an alarm signal.

[0055] For example, the temperature detection device can be preset with a temperature range, such as 20-25°C. When the temperature detection device detects that the temperature in the storage cavity 10 is below 20°C or above 25°C, it sends a signal to the alarm device, triggering the alarm device 50 to issue an audible alarm or a signal light alarm, so that the operator can promptly understand the temperature changes in the storage cavity 10 and take appropriate measures. Similarly, the humidity detection device can be preset with a humidity range, such as 50-70%. When the humidity detection device detects that the humidity in the storage cavity 10 is below 50% or above 70%, it sends a signal to the alarm device, triggering the alarm device 50 to issue an audible alarm or a signal light alarm, so that the operator can promptly understand the humidity changes in the storage cavity 10 and take appropriate measures.

[0056] In one embodiment, such as Figure 1 As shown, a closable door 30 is provided on one side wall of the storage chamber 10. When the door 30 is closed, the storage chamber 10 forms a sealed structure. For example, the door 30 can be a movable closed door. When it is necessary to place carbon fiber filaments into or out of the storage chamber 10, the movable closed door is opened and closed immediately after the operation is completed. This can ensure a dust-free environment inside the storage chamber 10 and reduce fluctuations in temperature and humidity inside the storage chamber 10, making it easier to maintain the stability of temperature and humidity inside the storage chamber 10.

[0057] like Figure 1-2 As shown, this disclosure provides a carbon fiber precursor storage system 200, including: a carbon fiber precursor storage device 100 as provided in this disclosure, and a drying drum 71 in the carbon fiber precursor drying process, wherein the heat source medium includes steam condensate output from the drying drum 71.

[0058] The carbon fiber precursor storage device 100 provided in this embodiment can control the temperature of the storage chamber 10 containing the carbon fiber precursor, so that the temperature inside the storage chamber 10 is maintained within a suitable range. This solves the problem of moisture and oil volatilization caused by unsuitable storage temperature, which leads to high static electricity and poor bundle properties in the carbon fiber precursor during the unwinding process.

[0059] In the carbon fiber precursor drying process, when the drying drum 71 dries the carbon fiber precursor, steam at a temperature of approximately 170-200°C is introduced into the drying drum 71 to heat it and thus dry the carbon fiber precursor. When the steam exits from the drying drum 71, it forms steam condensate at a temperature of 70-80°C. This 70-80°C steam condensate is used as a heat source medium in the storage device 100 to exchange heat with the heat exchange medium, thereby increasing the temperature of the heat exchange medium. This improves the energy utilization rate in the carbon fiber precursor production process and eliminates the need for an additional heat source for the storage device, reducing storage costs. Furthermore, the steam condensate output from the drying drum 71, i.e., the heat source medium, is transported to the heat exchange section 72 for heat exchange with the heat exchange medium, and then further transported to the steam condensate storage tank 73 for collection for subsequent treatment or reuse.

[0060] This disclosure provides a method for storing carbon fiber precursor, such as... Figure 4 As shown, it includes:

[0061] S100. Place the carbon fiber precursor in a carbon fiber precursor storage device;

[0062] S200. Based on the temperature in the storage cavity detected by the temperature detection device of the storage device, control the flow rate of the heat source medium through the heat exchange section.

[0063] S300: Based on the humidity in the storage chamber detected by the humidity detection device of the storage device, control the opening degree of the pumping device in the humidity control device of the storage device, and the wind speed of the wind force output by the wind power device in the humidity control device.

[0064] Combination Figure 1-3 As shown, carbon fiber precursor is placed in a carbon fiber precursor storage device 100 as provided in this embodiment of the present disclosure. The storage device 100 includes a control device 90, a temperature detection device, a humidity detection device, a temperature control device, and a humidity control device. The control device 90 can control the flow rate of the heat source medium through the heat exchange section 72 based on the temperature detected by the temperature detection device in the storage chamber 10, and control the opening degree of the pumping device 62 in the humidity control device and the wind speed of the airflow output by the fan device 61 in the humidity control device based on the humidity detected by the humidity detection device in the storage chamber 10. This enables real-time detection and precise control of the temperature and humidity within the storage chamber 10.

[0065] For example, the temperature detection device can preset a temperature range, such as 20-25°C. When the temperature detection device detects that the temperature in the storage chamber 10 is below 20°C, it transmits a signal to the control device 90. The control device 90, based on the signal transmitted by the temperature detection device, increases the flow rate of the heat source medium through the heat exchange section 72 to increase the outlet temperature of the heat exchange medium in the heat exchange section 72, thereby increasing the heat dissipation of the heat exchange medium when flowing through the heating chamber 81, thus achieving the effect of increasing the temperature in the storage chamber 10. When the temperature detection device detects that the temperature in the storage chamber 10 is above 25°C, it transmits a signal to the control device 90. The control device 90, based on the signal transmitted by the temperature detection device, decreases the flow rate of the heat source medium through the heat exchange section 72 to decrease the outlet temperature of the heat exchange medium in the heat exchange section 72, thereby decreasing the heat dissipation of the heat exchange medium when flowing through the heating chamber 81, thus reducing the effect of controlling the temperature in the storage chamber 10. For example, the humidity detection device can preset a humidity range, such as 50-70%. When the humidity detection device detects that the humidity in the storage chamber 10 is below 50%, it sends a signal to the control device 90. The control device 90, based on the signal from the humidity detection device, increases the opening of the pumping device 62 and the wind speed of the fan device 61 to increase the speed and flow rate of the demineralized water mist sprayed by the nozzles, thereby increasing the humidity in the storage chamber 10. When the humidity detection device detects that the humidity in the storage chamber 10 is above 70%, it sends a signal to the control device 90. The control device 90, based on the signal from the humidity detection device, decreases the opening of the pumping device 62 and the wind speed of the fan device 61, or directly shuts down the pumping device 62 and the fan device 61 to decrease the speed and flow rate of the demineralized water mist sprayed by the nozzles, or stops spraying the demineralized water mist into the storage chamber 10, thereby reducing the humidity in the storage chamber 10.

[0066] The above-described contents can be implemented individually or in various combinations, and all such variations are within the scope of this disclosure.

[0067] Finally, it should be noted that in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0068] The above embodiments are only used to illustrate the technical solutions of this disclosure, and are not intended to limit it. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this disclosure.

Claims

1. A storage device for carbon fiber precursor, characterized in that, include: Storage chamber, used to hold carbon fiber precursors to be stored; A temperature control device is provided for regulating the temperature inside the storage cavity. The temperature control device includes a heat exchange section and a heat dissipation section disposed inside the storage cavity. The heat exchange section includes a first heat exchange flow path and a second heat exchange flow path. The first heat exchange flow path is connected to the heat source medium in the carbon fiber precursor production equipment. The second heat exchange flow path is connected to the heat dissipation section. The heat exchange medium in the second heat exchange flow path is used to exchange heat with the heat source medium in the first heat exchange flow path to absorb the heat from the heat source medium. The heat exchange medium dissipates heat through the heat dissipation section. The heat dissipation section includes multiple heat-supply plate-like structures, which are disposed on the side wall of the storage cavity and are evenly distributed in the direction surrounding the top wall of the storage cavity; each heat-supply plate-like structure includes a heat-supply cavity. One end of the second heat exchange flow path is connected to the heat exchange medium storage section, and the other end of the second heat exchange flow path is connected to the heating chamber. The heat exchange medium storage section, the second heat exchange flow path, and the heating chamber form a loop. The heat exchange medium can circulate through the heat exchange medium storage section, the second heat exchange flow path, and the heating chamber. The heat exchange medium outlet of the heating chamber is provided with a filter device. One end of the first heat exchange flow path is connected to the heat source medium output end in the carbon fiber precursor production equipment, and the other end of the first heat exchange flow path is connected to the heat exchange section. The heat source medium flows from the heat source medium output end to the heat exchange section through the first heat exchange flow path. The heat exchange medium and the heat source medium exchange heat in the heat exchange section.

2. The carbon fiber precursor storage device according to claim 1, characterized in that, The storage device further includes a humidity control device; the humidity control device includes a demineralized water spraying device, the demineralized water spraying device comprising: A nozzle is disposed on the top wall of the storage cavity, and the nozzle is used to spray demineralized water mist into the storage cavity; A pumping device for pumping demineralized water to the nozzle.

3. The carbon fiber precursor storage device according to claim 2, characterized in that, The humidity control device also includes a fan, which is used to disperse the desalinated water mist sprayed by the nozzle; the fan is disposed on the top wall of the storage chamber and close to the nozzle.

4. The carbon fiber precursor storage device according to claim 3, characterized in that, The storage device also includes: Multiple temperature detection devices are disposed on the side wall of the storage cavity and close to the top wall of the storage cavity; the temperature detection devices are evenly distributed in the direction surrounding the top wall of the storage cavity. Multiple humidity detection devices are disposed on the side wall of the storage cavity and close to the top wall of the storage cavity; the humidity detection devices are evenly distributed in the direction surrounding the top wall of the storage cavity.

5. The carbon fiber precursor storage device according to claim 4, characterized in that, The storage device also includes: A control device is connected to the temperature detection device, the humidity detection device, the temperature control device, and the humidity control device. The control device is used to control the flow rate of the heat source medium through the heat exchange section based on the temperature in the storage cavity detected by the temperature detection device, and to control the opening degree of the pumping device and the wind speed of the wind force output by the wind power device based on the humidity in the storage cavity detected by the humidity detection device. And / or, An alarm device is provided, which is connected to the temperature detection device and the humidity detection device; the alarm device issues an alarm signal when the temperature detected by the temperature detection device exceeds a preset temperature, or when the humidity detected by the humidity detection device exceeds a preset humidity.

6. The carbon fiber precursor storage device according to claim 1, characterized in that, The storage cavity has an openable and closable door on one side of its cavity wall. When the door is closed, the storage cavity forms a sealed structure.

7. A storage system for carbon fiber precursor, characterized in that, The storage system includes: Storage device for carbon fiber precursor as described in any one of claims 1-6; The drying drum in the carbon fiber precursor drying process; the heat source medium includes the steam condensate output from the drying drum.

8. A method for storing carbon fiber precursor, using the carbon fiber precursor storage device as described in claim 1, characterized in that, include: The carbon fiber precursor is placed in a carbon fiber precursor storage device; The flow rate of the heat source medium through the heat exchange section is controlled based on the temperature detected in the storage cavity by the temperature detection device of the storage device. Based on the humidity in the storage chamber detected by the humidity detection device of the storage device, the opening degree of the pumping device in the humidity control device of the storage device and the wind speed of the wind force output by the wind power device in the humidity control device are controlled.

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