Degradation and recycling system for composite material, and degradation and recycling method for composite material

Abstract

A degradation and recycling system for a composite material, and a degradation and recycling method for a composite material. The degradation and recycling system for the composite material comprises inner cylinders, a degradation device, a separation device, a drying device and a driving device. The degradation device comprises degradation cylinders used for accommodating degradation liquid. The separation device comprises a separation cylinder and cleaning cylinders. The drying device comprises drying cylinders. The driving device comprises moving carriers. Each inner cylinder for accommodating the composite material is provided with a plurality of filter holes, and the moving carriers drive the inner cylinders into the degradation cylinders, so that a matrix of the composite material is degraded by the degradation liquid; and then the moving carriers drive the inner cylinders accommodating a reinforcement of the composite material into the separation cylinder, the cleaning cylinders and the drying cylinders for subsequent treatment, so that the reinforcement can be prevented from remaining in each device, and the recycling rate of the reinforcement is increased.

Description

Composite material degradation recovery system and composite material degradation recovery method Technical Field

[0001] The present invention relates to a material recovery device, in particular to a degradation recovery system and a degradation recovery method for composite materials. Background Art

[0002] A composite material is a material in which a reinforcement is added to a base material. The material properties of the base material and the reinforcement complement each other, improving the overall material performance. One method for recycling composite materials is to degrade the base material into oligomers soluble in the degradation solution, allowing the base material and reinforcement to be recycled separately.

[0003] The current practice involves mixing the composite material's base material with a degradation solution and placing it in a degradation tank for degradation. Once the composite material is degraded by the degradation solution, the degraded mixture must be removed from the tank, and the composite material's reinforcement material and the degradation solution (including the degraded base material) must be separated separately. The reinforcement material is then separated again, cleaned, and dried using various processing devices. Furthermore, the next degradation cycle requires refilling the tank with degradation solution and heating it to the degradation temperature. This time-consuming process reduces the efficiency of the degradation process and needs improvement.

[0004] Summary of the Invention

[0005] The object of the present invention is to provide a composite material degradation recovery system which can improve the recovery rate and can continuously perform composite material degradation operations.

[0006] The composite material degradation and recovery system of the present invention comprises a substrate and a reinforcement material. The composite material degradation and recovery system comprises an inner cylinder, a degradation device, a separation device, and a drying device. The inner cylinder comprises a cylinder wall defining a chamber. The chamber is used to accommodate the composite material. The cylinder wall has a plurality of filter holes. The degradation device comprises a degradation cylinder for accommodating the inner cylinder and a degradation liquid. The degradation liquid is used to degrade the substrate into a plurality of oligomers. The separation device comprises a separation cylinder for accommodating the inner cylinder, a cleaning cylinder for accommodating the inner cylinder, an injector disposed in the cleaning cylinder for injecting cleaning liquid into the inner cylinder to clean the reinforcement material within the inner cylinder, and two centrifugal drives disposed in the separation cylinder and the cleaning cylinder, respectively, for driving the inner cylinder to centrifugally rotate. The degradation liquid containing the oligomers can flow through the filter holes to the separation cylinder. The cleaning liquid containing the degradation liquid can flow through the filter holes to the cleaning cylinder. The drying device comprises a drying cylinder for accommodating the inner cylinder, and a dryer for drying the reinforcement material. The driving device is used to drive the inner cylinder to move and includes a movable carrier used to drive the inner cylinder to move in and out of the degradation cylinder, the separation cylinder, the cleaning cylinder and the drying cylinder, and a displacement driver provided on the movable carrier and used to drive the movable carrier.

[0007] In the composite material degradation and recycling system of the present invention, the movable carrier has a plurality of grabbing arms for grabbing the inner cylinder, and the driving device further comprises a plurality of grabbing drivers respectively for driving the grabbing arms.

[0008] The composite material degradation and recycling system of the present invention comprises the following components: the inner cylinder wall comprises a base wall portion, a surrounding wall portion extending upward from the periphery of the base wall portion, and a fixing portion provided on the surrounding wall portion and connected to the grabbing arm; the filter holes are formed in the base wall portion and the surrounding wall portion.

[0009] In the composite material degradation and recycling system of the present invention, the fixing portion of the inner cylinder extends upward from the top end of the surrounding wall portion and then bends inward to extend, and the grabbing arm is hook-shaped and used to hook the fixing portion of the inner cylinder.

[0010] In the composite material degradation and recycling system of the present invention, the fixing portion is a hanging ring provided on the surrounding wall portion or a plurality of fasteners provided on the surrounding wall portion.

[0011] In the composite material degradation and recycling system of the present invention, each grabbing arm has a hook corresponding to the lifting ring.

[0012] In the composite material degradation and recycling system of the present invention, each grabbing arm has a latching piece corresponding to a respective latching piece.

[0013] In the composite material degradation and recovery system of the present invention, each grabbing arm is provided with an adsorber for adsorbing the inner cylinder.

[0014] In the composite material degradation and recycling system of the present invention, the driving device also includes a track frame located above the degradation device, the separation device and the drying device in the up and down directions, the movable carrier is movably arranged on the track frame and also has a seat body movably arranged on the track frame, a movable platform movably arranged on the seat body along the up and down directions and for the grabbing arm to be arranged, and the displacement driver has a seat body driving member for driving the seat body to move, and a longitudinal driving member for driving the movable platform to move.

[0015] The degradation and recovery system of the composite material of the present invention, the degradation device also includes a collection box connected to the degradation cylinder and the separation cylinder and used to collect the degradation liquid containing the oligomers, a degradation separator connected to the collection box and used to separate the oligomers from the degradation liquid, and an oligomer box connected to the degradation separator and used to collect the oligomers.

[0016] The composite material degradation recovery system of the present invention, the separation device also includes a collection box connected to the cleaning cylinder and used to collect the cleaning liquid containing the degradation liquid, a cleaning separator connected to the collection box and used to separate the degradation liquid from the cleaning liquid, and a degradation liquid tank connected to the cleaning separator and used to collect the degradation liquid.

[0017] In the composite material degradation and recycling system of the present invention, the degradation device further comprises a rotary driver disposed on the degradation cylinder and used for driving the inner cylinder to rotate.

[0018] In the composite material degradation and recycling system of the present invention, the drying device further comprises a rotary driver disposed on the drying cylinder and used for driving the inner cylinder to rotate.

[0019] The composite material degradation and recycling system of the present invention further includes a cover and an exhaust device. The cover defines a storage space for accommodating the degradation device, the separation device, the drying device, and the driving device. The exhaust device is arranged in the cover and is used to exhaust the gas in the storage space.

[0020] Another object of the present invention is to provide a composite material degradation recovery method that can improve the recovery rate and continuously perform the composite material degradation operation.

[0021] The composite material degradation and recovery method of the present invention is applicable to the aforementioned composite material degradation and recovery system, and the composite material degradation and recovery method comprises the following steps:

[0022] (A) The movable carrier drives the inner cylinder to move into the degradation cylinder, and the degradation liquid in the degradation cylinder degrades the matrix of the composite material in the inner cylinder into the oligomers. (B) The movable carrier drives the inner cylinder from the degradation cylinder to the separation cylinder, and the inner cylinder rotates centrifugally in the separation cylinder, so that the degradation liquid containing the oligomers flows into the separation cylinder through the filter holes of the inner cylinder. (C) The movable carrier drives the inner cylinder from the separation cylinder to the cleaning cylinder, and the injector then injects the cleaning liquid to clean the reinforcing material of the composite material in the inner cylinder. (D) The inner cylinder rotates centrifugally in the cleaning cylinder, so that the cleaning liquid containing the degradation liquid flows into the cleaning cylinder through the filter holes of the inner cylinder. (E) The movable carrier drives the inner cylinder from the cleaning cylinder to the drying cylinder, and the dryer then dries the reinforcing material of the composite material in the inner cylinder.

[0023] The degradation and recovery method of the composite material of the present invention, the degradation device also includes a collection box connected to the degradation cylinder and the separation cylinder, a degradation separator connected to the collection box, and an oligomer box connected to the degradation separator. The degradation and recovery method of the composite material further includes a step (B') after step (B). In step (B'), the collection box collects the degradation liquid containing the oligomers, and the degradation separator separates the oligomers from the degradation liquid, and the oligomer box collects the oligomers again.

[0024] The composite material degradation recovery method of the present invention comprises the following steps: the separation device further comprising a central box connected to the cleaning cylinder, a cleaning separator connected to the central box, and a degradation liquid tank connected to the cleaning separator; the composite material degradation recovery method further comprises a step (D′) after step (D); in step (D′), the central box collects the cleaning liquid containing the degradation liquid, the cleaning separator separates the degradation liquid from the cleaning liquid, and the degradation liquid tank collects the degradation liquid again.

[0025] The beneficial effects of the present invention are as follows: by providing the filter holes in the inner cylinder for containing the composite material with the filter holes for the degradation liquid and the cleaning liquid to enter and exit the chamber, and by using the movable carrier to drive the inner cylinder into the degradation cylinder, after the base material of the composite material is degraded into the oligomers by the degradation liquid, the movable carrier then drives the inner cylinder containing the reinforcing material of the composite material into the separation cylinder, the cleaning cylinder, and the drying cylinder for subsequent processing, thereby preventing the reinforcing material from remaining in the various devices during the process, thereby improving the recovery rate of the reinforcing material of the composite material. In addition, after the composite material in the inner cylinder is degraded by the degradation liquid in the degradation cylinder, the movable carrier removes the inner cylinder containing the reinforcing material from the degradation cylinder. At this time, the degradation liquid is still in the degradation cylinder, and the movable carrier can then place the next inner cylinder containing the composite material into the degradation cylinder to continue the next degradation operation, thereby achieving the effect of continuous composite material degradation operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features and effects of the present invention will be more clearly seen in the following embodiments with reference to the accompanying drawings, in which:

[0027] FIG1 is a top view illustrating an embodiment of a composite material degradation recovery system according to the present invention;

[0028] FIG2 is a front schematic view of the embodiment;

[0029] FIG3 is a cross-sectional view of an inner cylinder of the embodiment;

[0030] FIG4 is a fragmentary front view illustrating a degradation device of the embodiment disposed in a degradation zone of a receiving space of an enclosure of the embodiment;

[0031] FIG5 is a fragmentary front view illustrating a separation device of the embodiment disposed in a separation area of ​​the accommodating space;

[0032] FIG6 is a fragmentary front view illustrating a drying device of the embodiment disposed in a drying area of ​​the accommodating space;

[0033] 7 is a right side view of FIG. 5 , illustrating a plurality of grabbing arms of a movable carrier of a driving unit of the embodiment moving away from the inner cylinder located in a separation cylinder of the separation device;

[0034] FIG8 is a view similar to FIG7 , illustrating the grabbing arm of the mobile carrier grabbing the inner cylinder;

[0035] FIG9 is a flow chart illustrating an embodiment of the degradation and recycling method of the composite material of the present invention. DETAILED DESCRIPTION

[0036] Referring to Figures 1, 2, and 3, embodiments of a composite material degradation and recycling system of the present invention are suitable for degrading and recycling the composite material. The composite material (not shown) includes a substrate (not shown) and a reinforcement (not shown). In this embodiment, the substrate is a degradable resin, such as an epoxy resin containing a carbonate. In this embodiment, the reinforcement can be, but is not limited to, a fiber material such as carbon fiber, glass fiber, liquid crystal polymer fiber, aramid fiber, polyester fiber, nylon fiber, acrylic fiber, or vinylon fiber.

[0037] The composite material degradation and recovery system comprises a plurality of inner cylinders 1, a housing 2, a degradation device 3, a separation device 4, a drying device 5, an air extraction device 6, a driving device 7 and a control device 8.

[0038] Each inner cylinder 1 includes a cylinder wall 11 that surrounds and defines a chamber 12. Chamber 12 is used to accommodate the composite material. The cylinder wall 11 has a base wall portion 111, a surrounding wall portion 112 extending upward from the periphery of the base wall portion 111, a fixing portion 113 disposed at the top of the surrounding wall portion 112, and a plurality of filter holes 114 formed in the base wall portion 111 and the surrounding wall portion 112. The fixing portion 113 of the inner cylinder 1 extends upward from the top of the surrounding wall portion 112 and then bends inward.

[0039] The enclosure 2 defines a receiving space 21. The receiving space 21 is used to receive the inner drum 1 and comprises a degradation zone 211, a separation zone 212, and a drying zone 213 arranged adjacent to each other in a left-right direction X.

[0040] 1 , 2 and 4 , the degradation device 3 is disposed in the degradation zone 211 of the enclosure 2 and includes a plurality of degradation cylinders 31 , a plurality of rotary drivers 32 , a collection box 33 , a degradation separator 34 and an oligomer box 35 .

[0041] Each degradation cylinder 31 is used to accommodate the inner cylinder 1 and a degradation solution (not shown). The degradation solution is used to degrade the substrate into a plurality of oligomers. Each rotary actuator 32 is disposed within its respective degradation cylinder 31 and is used to rotate the inner cylinder 1, ensuring uniform contact between the degradation solution and the composite material, thereby improving degradation efficiency.

[0042] The collection box 33 is connected to the degradation cylinder 31 and is used to collect the degradation liquid containing the oligomers. The degradation separator 34 is connected to the collection box 33 and is used to separate the oligomers from the degradation liquid. The oligomer box 35 is connected to the degradation separator 34 and is used to collect the oligomers.

[0043] It should be noted that the degradation liquid separated by the degradation separator 34 can be transported back to the degradation cylinder 31 for reuse.

[0044] 1 , 2 and 5 , the separation device 4 is disposed in the separation area 212 of the enclosure 2 and includes a separation drum 41 , a plurality of cleaning drums 42 , a plurality of injectors 43 , a plurality of centrifugal drives 44 , a collection tank 45 , a cleaning separator 46 and a degradation liquid tank 47 .

[0045] The separation drum 41 is used to accommodate any inner drum 1 and is connected to the collection box 33. The cleaning drum 42 is used to accommodate the inner drum 1. The injector 43 is disposed in the cleaning drum 42 and is used to inject a cleaning liquid (not shown) into the inner drum 1 to clean the reinforcement material within the inner drum 1. The centrifugal drives 44 are respectively disposed in the separation drum 41 and the cleaning drum 42. Each centrifugal drive 44 is used to drive the inner drum 1 located in the separation drum 41 or the cleaning drum 42 to rotate centrifugally.

[0046] The degradation liquid containing the oligomers can flow from the filter holes 114 of the inner cylinder 1 located in the separation cylinder 41 to the separation cylinder 41 and then be collected by the collection box 33 .

[0047] The cleaning fluid containing the degradation liquid can flow into the cleaning tub 42 through the filter holes 114 of the inner tub 1 located within the cleaning tub 42. The collection tank 45 is connected to the cleaning tub 42 and is used to collect the cleaning fluid containing the degradation liquid. The cleaning separator 46 is connected to the collection tank 45 and is used to separate the degradation liquid from the cleaning fluid. The degradation liquid tank 47 is connected to the cleaning separator 46 and is used to collect the degradation liquid.

[0048] It should be noted that the cleaning liquid separated by the cleaning separator 46 can be transported back to the cleaning cylinder 42 for reuse.

[0049] 1 , 2 and 6 , the drying device 5 is disposed in the drying area 213 of the enclosure 2 and includes a plurality of drying cylinders 51 for accommodating the inner cylinder 1 , a plurality of dryers 52 respectively disposed in the drying cylinders 51 and used to dry the reinforcement material, and a plurality of rotary drivers 53 respectively disposed in the drying cylinders 51 and used to drive the inner cylinder 1 to rotate.

[0050] In this embodiment, the cleaning liquid is water, the dryer 52 is a hot air blower for providing hot air, and the rotary driver 53 drives the inner cylinder 1 to rotate so that the reinforcement material in the inner cylinder 1 can be evenly contacted with the hot air, thereby improving the drying efficiency.

[0051] 1 , the exhaust device 6 is disposed within the enclosure 2 and includes a plurality of exhaust fans 61. One exhaust fan 61 is disposed at the front side of the enclosure 2 in a front-to-back direction Y and adjacent to the degradation zone 211. The other exhaust fans 61 are disposed at the rear side of the enclosure 2 in the front-to-back direction Y and adjacent to the corresponding degradation zone 211, separation zone 212, and drying zone 213. Each exhaust fan 61 is configured to exhaust gas from the corresponding degradation zone 211, separation zone 212, or drying zone 213.

[0052] 2 , 7 and 8 , the driving device 7 is disposed on the housing 2 and is used to drive the inner tube 1 to move. The driving device 7 includes two conveyor belts 71 , a track frame 72 , two movable carriers 73 , two displacement drivers 74 and a plurality of grabbing drivers 75 .

[0053] The conveyor belts 71 extend outward from the accommodating space 21 along the left-right direction X from the degradation zone 211 and the drying zone 213 , respectively. One of the conveyor belts 71 is disposed adjacent to the degradation zone 211 of the enclosure 2 and is used to convey the inner drum 1 into the degradation zone 211 along the left-right direction X. The other conveyor belt 71 is disposed adjacent to the drying zone 213 of the enclosure 2 and is used to convey the inner drum 1 along the left-right direction X to outside the drying zone 213 .

[0054] The track frame 72 is disposed on the enclosure 2 and has two guide rails 721. The guide rails 721 are located above the degradation device 3, the separation device 4, and the drying device 5 along a vertical direction Z and are spaced apart along the front-rear direction Y on the enclosure 2.

[0055] Each movable carrier 73 is used to drive any inner drum 1 in and out of the corresponding degradation drum 31, the separation drum 41, the corresponding cleaning drum 42, and the corresponding drying drum 51. Each movable carrier 73 includes a seat body 731 movably disposed on the guide rail 721 along the left-right direction X, a movable platform 732 movably disposed on the seat body 731 along the up-down direction Z, and a plurality of grab arms 733 disposed on the movable platform 732 and used to grab any inner drum 1. The displacement driver 74 is disposed on the movable carrier 73 and is used to drive the movable carrier 73.

[0056] In this embodiment, the fixing portion 113 of each inner tube 1 extends upward from the top of the surrounding wall portion 112 and then bends inward to extend. The grabbing arm 733 of each movable carrier 73 is hook-shaped and is used to hook the fixing portion 113 of any inner tube 1. In other variations, the fixing portion 113 of each inner tube 1 may also be at least one hanging ring (not shown) provided on the surrounding wall portion 112, and each grabbing arm 733 may have a hook (not shown) for hooking the corresponding hanging ring; the fixing portion 113 of each inner tube 1 may also be multiple fasteners (not shown) provided on the surrounding wall portion 112, and each grabbing arm 733 may have multiple latching members (not shown) for respectively latching on to the fasteners, and the fasteners and the latching members may be but are not limited to slots and tenons; each grabbing arm 733 may also have an adsorber (not shown) for adsorbing on any inner tube 1. At this time, the adsorber of each grabbing arm 733 can be adsorbed on the fixing portion 113 of any inner tube 1 or on the surrounding wall portion 112 by negative pressure. When the adsorber is adsorbed on the surrounding wall portion 112, the fixing portion 113 of the tube wall 11 can be omitted.

[0057] Each displacement actuator 74 is mounted on its respective movable carrier 73 and comprises a seat drive element 741 for driving the seat body 731 and a longitudinal drive element 742 for driving the movable platform 732. Each gripping actuator 75 is connected between its respective gripping arm 733 and the corresponding movable platform 732. Each gripping actuator 75 is a pneumatic piston rod and is used to drive its respective gripping arm 733.

[0058] The control device 8 is disposed adjacent to the housing 2 and is used to control the rotary drive 32 , the centrifugal drive 44 , the rotation drive 53 , the displacement drive 74 , and the gripping drive 75 .

[0059] The control device 8 can control any displacement driver 74 to drive the respective movable carrier 73 to move any inner drum 1 to the corresponding degradation drum 31 , the separation drum 41 , the corresponding cleaning drum 42 and the corresponding drying drum 51 .

[0060] In this manner, the movable platform 732 of one of the movable carriers 73 moves downward to one of the inner cylinders 1. The grabbing arm 733 of one of the movable carriers 73 hooks onto the fixed portion 113 of one of the inner cylinders 1. Next, after the movable platform 732 of one of the movable carriers 73 drives one of the inner cylinders 1 upward, the base body 731 of one of the movable carriers 73 drives one of the inner cylinders 1 to move left and right along the guide rails 721 to the degradation device 3, the separation device 4, and the drying device 5 for subsequent operations.

[0061] In this embodiment, the inner barrel 1, the degradation barrel 31, and the cleaning barrel 42 are provided in multiple numbers. In addition to being able to process a large number of composite materials at once, the inner barrel 1, the degradation barrel 31, and the cleaning barrel 42 can also be used with different degradation solutions to process different composite materials. However, in other variations, the inner barrel 1, the degradation barrel 31, and the cleaning barrel 42 may be provided in only one number.

[0062] In this embodiment, the number of the movable carriers 73 is two, but in other variations, the number of the movable carriers 73 may be only one or more than three, and is not limited thereto.

[0063] 2 , 7 and 9 , the composite material degradation and recovery method of the present invention is applicable to the composite material degradation and recovery system described above. The composite material degradation and recovery method comprises the following steps:

[0064] Step 91: One of the movable carriers 73 drives one of the inner cylinders 1 to move into one of the degradation cylinders 31. The filter holes 114 of one of the inner cylinders 1 allow the degradation liquid to enter the chamber 12 to degrade the composite material matrix in one of the inner cylinders 1 into the oligomers.

[0065] Step 92: One of the movable carriers 73 drives one of the inner cylinders 1 to move from one of the degradation cylinders 31 to the separation cylinder 41, and one of the inner cylinders 1 rotates centrifugally in the separation cylinder 41, so that the degradation liquid containing the oligomers flows into the separation cylinder 41 through the filter pores 114 of one of the inner cylinders 1.

[0066] When one of the movable carriers 73 drives one of the inner cylinders 1 to move out of one of the degradation cylinders 31 , the degradation liquid containing the oligomers can flow into one of the degradation cylinders 31 through the filter holes 114 of one of the inner cylinders 1 .

[0067] Step 93 : The collection box 33 collects the degradation liquid containing the oligomers from one of the degradation cylinders 31 and the separation cylinder 41 , and the degradation separator 34 separates the oligomers from the degradation liquid, and the oligomer box 35 collects the oligomers again.

[0068] Step 94 : One of the movable carriers 73 drives one of the inner tubes 1 to move from the separation tube 41 to one of the cleaning tubes 42 , and the corresponding injector 43 injects the cleaning liquid to clean the composite reinforcement material in one of the inner tubes 1 .

[0069] Step 95 : One of the inner cylinders 1 is centrifugally rotated in one of the cleaning cylinders 42 , so that the cleaning liquid containing the degradation liquid flows into one of the cleaning cylinders 42 through the filter holes 114 of one of the inner cylinders 1 .

[0070] Step 96 : The central tank 45 collects the cleaning liquid containing the degradation liquid in one of the cleaning cylinders 42 , and the cleaning separator 46 separates the degradation liquid from the cleaning liquid. The degradation liquid tank 47 then collects the degradation liquid.

[0071] Step 97: One of the movable carriers 73 drives one of the inner cylinders 1 from one of the cleaning cylinders 42 to one of the drying cylinders 51. The corresponding dryer 52 then dries the composite reinforcement in one of the inner cylinders 1. At this point, the reinforcement can be collected and recycled.

[0072] In the present invention, the inner cylinder 1 for containing the composite material has the filter holes 114 for allowing the degradation liquid and the cleaning liquid to enter and exit the chamber 12, and the movable carrier 73 is used to drive the inner cylinder 1 into the degradation cylinder 31. After the base material of the composite material is degraded into the oligomers by the degradation liquid, the movable carrier 73 then drives the inner cylinder 1 containing the reinforcing material of the composite material into the separation cylinder 41, the cleaning cylinder 42 and the drying cylinder 51 for subsequent processing. This can prevent the reinforcing material from remaining in various devices during the process, thereby improving the recovery rate of the reinforcing material of the composite material. Furthermore, after the composite material in the inner cylinder 1 is degraded by the degradation liquid in the degradation cylinder 31, the movable carrier 73 removes the inner cylinder 1 containing the reinforcement material from the degradation cylinder 31. At this point, the degradation liquid remains in the degradation cylinder 31, and the movable carrier 73 can then place the next inner cylinder 1 containing the composite material into the degradation cylinder 31 to continue the next degradation operation, thereby achieving the effect of continuous composite material degradation. Therefore, the purpose of the present invention can be truly achieved.

[0073] The above descriptions are merely embodiments of the present invention and should not be used to limit the scope of the present invention. In other words, any simple equivalent changes and modifications made according to the claims and description of the present invention still fall within the scope of the present invention.

Claims

1. A degradation and recycling system for composite materials, the composite materials comprising a substrate and a reinforcement material, characterized in that: The degradation and recovery system of the composite material comprises: An inner cylinder, comprising a cylinder wall surrounding and defining a containing chamber, wherein the containing chamber is used to contain the composite material, and the cylinder wall has a plurality of filter holes; A degradation device, comprising a degradation cylinder for accommodating the inner cylinder and a degradation liquid, wherein the degradation liquid is used to degrade the substrate into a plurality of oligomers; A separation device, comprising a separation cylinder for accommodating the inner cylinder, a cleaning cylinder for accommodating the inner cylinder, an injector disposed in the cleaning cylinder and used to inject a cleaning liquid into the inner cylinder to clean the reinforcing material in the inner cylinder, and two centrifugal drivers respectively disposed in the separation cylinder and the cleaning cylinder and used to drive the inner cylinder to centrifugally rotate, wherein the degradation liquid containing the oligomers can flow from the filter holes to the separation cylinder, and the cleaning liquid containing the degradation liquid can flow from the filter holes to the cleaning cylinder; A drying device, comprising a drying cylinder for accommodating the inner cylinder, and a dryer for drying the reinforcing material; and The driving device is used to drive the inner cylinder to move and includes a movable carrier used to drive the inner cylinder to enter and exit the degradation cylinder, the separation cylinder, the cleaning cylinder and the drying cylinder, and a displacement driver arranged on the movable carrier and used to drive the movable carrier.

2. The composite material degradation and recycling system according to claim 1, characterized in that: The movable carrier has a plurality of grabbing arms for grabbing the inner cylinder, and the driving device also includes a plurality of grabbing drivers respectively used for driving the grabbing arms.

3. The composite material degradation and recycling system according to claim 2, characterized in that: The inner cylinder wall comprises a base wall portion, a surrounding wall portion extending upward from the periphery of the base wall portion, and a fixing portion arranged on the surrounding wall portion and connected to the grabbing arm, and the filter hole is formed in the base wall portion and the surrounding wall portion.

4. The composite material degradation and recycling system according to claim 3, characterized in that: The fixing portion of the inner cylinder extends upward from the top end of the surrounding wall portion and then bends inward to extend, and the grabbing arm is hook-shaped and is used to hook the fixing portion of the inner cylinder.

5. The composite material degradation and recycling system according to claim 3, characterized in that: The fixing portion is a hanging ring arranged on the surrounding wall portion or a plurality of buckles arranged on the surrounding wall portion.

6. The composite material degradation and recycling system according to claim 5, characterized in that: Each grab arm has a hook corresponding to the lifting ring.

7. The composite material degradation and recycling system according to claim 5, characterized in that: Each grab arm has a catch member corresponding to the respective catch member.

8. The composite material degradation and recycling system according to claim 2, characterized in that: Each grabbing arm has an absorber for sucking the inner cylinder.

9. The composite material degradation and recycling system according to claim 2, characterized in that: The driving device also includes a track frame located above the degradation device, the separation device and the drying device in the up-down direction, the movable carrier is movably arranged on the track frame and also has a seat body movably arranged on the track frame, a movable platform movably arranged on the seat body along the up-down direction and for the grabbing arm to be arranged, and the displacement driver has a seat body driving member for driving the seat body to move, and a longitudinal driving member for driving the movable platform to move.

10. The composite material degradation and recycling system according to claim 1, characterized in that: The degradation device also includes a collection box connected to the degradation cylinder and the separation cylinder and used to collect the degradation liquid containing the oligomers, a degradation separator connected to the collection box and used to separate the oligomers from the degradation liquid, and an oligomer box connected to the degradation separator and used to collect the oligomers.

11. The composite material degradation and recycling system according to claim 1, characterized in that: The separation device also includes a collection box connected to the cleaning cylinder and used to collect the cleaning liquid containing the degradation liquid, a cleaning separator connected to the collection box and used to separate the degradation liquid from the cleaning liquid, and a degradation liquid tank connected to the cleaning separator and used to collect the degradation liquid.

12. The composite material degradation and recycling system according to claim 1, characterized in that: The degradation device further comprises a rotation driver which is arranged on the degradation cylinder and is used for driving the inner cylinder to rotate.

13. The composite material degradation and recycling system according to claim 1, characterized in that: The drying device also includes a rotary driver which is arranged on the drying cylinder and is used for driving the inner cylinder to rotate.

14. The composite material degradation and recycling system according to claim 1, characterized in that: The composite material degradation and recycling system also includes a cover and an exhaust device. The cover defines a containing space for containing the degradation device, the separation device, the drying device and the driving device. The exhaust device is arranged in the cover and is used to exhaust the gas in the containing space to the outside.

15. A method for recycling composite materials by degradation, characterized in that: The composite material degradation and recycling system according to claim 1, wherein the composite material degradation and recycling method comprises the following steps: (A) the movable carrier drives the inner cylinder to move into the degradation cylinder, and the degradation liquid in the degradation cylinder degrades the matrix of the composite material in the inner cylinder into the oligomers; (B) the movable carrier drives the inner cylinder to move from the degradation cylinder to the separation cylinder, and the inner cylinder is centrifugally rotated in the separation cylinder, so that the degradation liquid containing the oligomers flows into the separation cylinder through the filter holes of the inner cylinder; (C) the movable carrier drives the inner cylinder to move from the separation cylinder to the cleaning cylinder, and the injector then injects the cleaning liquid to clean the reinforcing material of the composite material in the inner cylinder; (D) the inner cylinder is centrifugally rotated in the cleaning cylinder, so that the cleaning liquid containing the degradation liquid flows into the cleaning cylinder through the filter holes of the inner cylinder; and (E) The movable carrier drives the inner cylinder to move from the cleaning cylinder to the drying cylinder, and the dryer then dries the reinforcing material of the composite material in the inner cylinder.

16. The method for recycling composite materials according to claim 15, characterized in that: The degradation device also includes a collecting box connected to the degradation cylinder and the separation cylinder, a degradation separator connected to the collecting box, and an oligomer box connected to the degradation separator. The degradation and recovery method of the composite material also includes a step (B′) after step (B). In step (B′), the collecting box collects the degradation liquid containing the oligomers, and the degradation separator separates the oligomers from the degradation liquid, and the oligomer box collects the oligomers again.

17. The method for recycling composite materials according to claim 15, characterized in that: The separation device also includes a concentration box connected to the cleaning cylinder, a cleaning separator connected to the concentration box, and a degradation liquid tank connected to the cleaning separator. The degradation and recovery method of the composite material also includes a step (D′) after step (D). In step (D′), the concentration box collects the cleaning liquid containing the degradation liquid, and the cleaning separator separates the degradation liquid from the cleaning liquid, and the degradation liquid tank collects the degradation liquid again.

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