Inorganic salt removal system in polyether-ether-ketone production process

Abstract

The utility model relates to the technical field of polyether-ether-ketone production, in particular to an inorganic salt removal system in a polyether-ether-ketone production process. Comprising a rack, a lifting plate, a second power assembly, a plurality of charging barrel mechanisms and a plurality of cleaning mechanisms; a transmission belt is mounted at the upper end of the rack; the multiple charging barrel mechanisms are installed on the periphery of the transmission belt at equal intervals. Each charging barrel mechanism comprises a filter barrel and an installation frame. The second power assembly comprises a second hydraulic cylinder installed on the rack, a connecting frame connected with an output shaft of the second hydraulic cylinder and a plurality of racks arranged on the connecting frame side by side. The lifting plate is positioned below the transmission belt; the multiple cleaning mechanisms are installed on the lifting plate at equal intervals, and each cleaning mechanism comprises a rotating disc arranged above the lifting plate, a second servo motor installed on the lifting plate and used for driving the rotating disc to rotate and multiple water storage barrels installed on the rotating disc. The automatic discharging device can achieve the automatic discharging function and has the advantage of being high in working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyether ether ketone production technical field especially to a kind of inorganic salt removal system in polyether ether ketone production process. BACKGROUND

[0002] Polyether ether ketone (PEEK) is a kind of high-performance thermoplastic aromatic polymer, widely used in aerospace, automobile, electronics and medical devices and other fields. In the production process of PEEK, the removal of inorganic salt is an important step, because these salts may come from catalyst, initiator or other additives, their presence may affect the performance and purity of the final product.

[0003] Water washing method is a conventional method for removing inorganic salt in PEEK, which removes residual inorganic salt by multiple washing through the difference in solubility of water and inorganic salt. This method is simple, but may require a large amount of water and multiple washing steps to ensure sufficient removal of salt.

[0004] Because water washing method needs to be washed for many times, water injection, cleaning, drainage is a cycle cleaning process, and the above operation is carried out in a container, which leads to low working efficiency of the equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and proposes an inorganic salt removal system in polyether ether ketone production process.

[0006] The technical scheme of the utility model, an inorganic salt removal system in polyether ether ketone production process, comprises:

[0007] A rack, a transmission belt is installed at the upper end of the rack, and a first power assembly for driving the transmission belt to move is installed on the rack;

[0008] A plurality of barrel mechanisms, a plurality of barrel mechanisms are installed equidistantly on the outer periphery of the transmission belt, the barrel mechanism comprises a filter cartridge and a mounting bracket, the mounting bracket is installed on the transmission belt, a limit ring is arranged on the outer periphery of the open end of the filter cartridge, a sleeve is connected between the limit ring and the mounting bracket, a rotating shaft is rotatably connected on the sleeve, a stirring rod and a gear are installed on the rotating shaft;

[0009] A second power assembly, the second power assembly comprises a second hydraulic cylinder installed on the rack, a connecting bracket connected with the output shaft of the second hydraulic cylinder, and a plurality of racks arranged side by side on the connecting bracket;

[0010] A lifting plate, the lifting plate is located below the transmission belt, a first hydraulic cylinder for driving the lifting plate to lift is installed on the rack;

[0011] Multiple cleaning mechanisms are equidistantly mounted on the lifting plate. Each cleaning mechanism includes a turntable positioned above the lifting plate, a second servo motor mounted on the lifting plate to drive the turntable to rotate, and multiple water storage tanks mounted on the turntable. Multiple drain pipes are arranged side by side on the lifting plate.

[0012] The discharge plate is inclined and set on one side of the conveyor end of the transmission belt.

[0013] Preferably, guide rails are provided on both sides of the transmission belt, and both guide rails are connected to the frame. Slide grooves are provided on the guide rails, and the slide grooves are arranged around the circumference of the transmission belt. Slide rods are connected to both ends of the mounting bracket, and the outer ends of the slide rods on both sides are slidably installed in the slide grooves on both sides.

[0014] Preferably, the first power assembly includes a first servo motor and two drive rollers, wherein the two drive rollers are mounted side by side on the frame, a drive belt is sleeved on the two drive rollers, the first servo motor is mounted on the frame and its output shaft is connected to the rotating shaft of the drive rollers.

[0015] Preferably, the center-to-center distance between two adjacent filter cartridges is equal to the center-to-center distance between two adjacent turntables.

[0016] Preferably, an infrared ranging sensor and a controller are mounted on the rack.

[0017] Preferably, each of the multiple turntables is equipped with a liquid inlet pipe above it.

[0018] Compared with the prior art, the present invention has the following beneficial technical effects:

[0019] 1. It can simultaneously clean multiple batches of materials, and has the functions of simultaneous water injection and automatic drainage during the cleaning process, which greatly improves its work efficiency.

[0020] 2. When the filter cartridge moves to the end of the conveyor belt and its opening is set at an angle downward, the material inside the filter cartridge can be automatically discharged, and its degree of automation is high. Attached Figure Description

[0021] Fig. 1 and Fig. 2 All of these are schematic diagrams of the structure of this utility model.

[0022] Fig. 3 This is a schematic diagram of the material cylinder mechanism in this utility model.

[0023] Reference numerals in the attached drawings: 1. Frame; 201. Transmission belt; 202. First servo motor; 203. Transmission roller; 3. Lifting plate; 4. First hydraulic cylinder; 5. Turntable; 6. Discharge plate; 7. Second hydraulic cylinder; 8. Filter cartridge; 9. Second servo motor; 10. Inlet pipe; 11. Drain pipe; 12. Guide rail; 13. Mounting frame; 14. Slide rod; 15. Limiting ring; 16. Sleeve; 17. Rotating shaft; 18. Stirring rod; 19. Gear; 20. Connecting frame; 21. Rack; 22. Water storage tank. Detailed Implementation

[0024] Example 1

[0025] like Figs. 1-3 As shown in this embodiment, an inorganic salt removal system for the production process of polyether ether ketone includes a frame 1, a lifting plate 3, a discharge plate 6, a second power component, multiple material cylinder mechanisms, and multiple cleaning mechanisms.

[0026] A transmission belt 201 is installed on the upper end of the frame 1, and a first power assembly for driving the transmission belt 201 is installed on the frame 1. The first power assembly includes a first servo motor 202 and two transmission rollers 203. The two transmission rollers 203 are mounted side by side and rotate on the frame 1. The transmission belt 201 is sleeved on the two transmission rollers 203. The first servo motor 202 is mounted on the frame 1 and its output shaft is connected to the rotating shaft of the transmission rollers 203.

[0027] Multiple material cylinder mechanisms are equidistantly installed on the outer periphery of the transmission belt 201. The material cylinder mechanism includes a filter cylinder 8 and a mounting frame 13. The mounting frame 13 is installed on the transmission belt 201. A limit ring 15 is provided on the outer periphery of the open end of the filter cylinder 8. A sleeve 16 is connected between the limit ring 15 and the mounting frame 13. A rotating shaft 17 is rotatably connected to the sleeve 16. An agitator 18 and a gear 19 are installed on the rotating shaft 17. It should be noted that the gear 19 is located on the side adjacent to the transmission belt 201, while the agitator 18 is located on the inner side of the filter cylinder 8. The second power assembly includes a second hydraulic cylinder 7 installed on the frame 1, a connecting frame 20 connected to the output shaft of the second hydraulic cylinder 7, and multiple racks 21 arranged side by side on the connecting frame 20.

[0028] The lifting plate 3 is located below the transmission belt 201. A first hydraulic cylinder 4 for driving the lifting plate 3 to rise and fall is installed on the frame 1. Multiple cleaning mechanisms are equidistantly installed on the lifting plate 3. The cleaning mechanism includes a turntable 5 set above the lifting plate 3, a second servo motor 9 installed on the lifting plate 3 for driving the turntable 5 to rotate, and multiple water storage cylinders 22 installed on the turntable 5. The center distance between two adjacent filter cylinders 8 is equal to the center distance between two adjacent turntables 5. It should be noted that the multiple water storage cylinders 22 are arranged in a circular array, the upper end of the water storage cylinder 22 is open, and the upper end of the water storage cylinder 22 passes through the turntable 5. Multiple drain pipes 11 are arranged side by side on the lifting plate 3, and the upper end of the drain pipes 11 is flush with the upper surface of the lifting plate 3. Each of the multiple turntables 5 is provided with a liquid inlet pipe 10.

[0029] The discharge plate 6 is inclinedly set on one side of the conveying end of the transmission belt 201. Baffles are provided on all sides of the discharge plate 6 except for the bottom end. A collection box can be set below the output end of the discharge plate 6 to collect and process materials.

[0030] Specifically, this technical solution also includes a feeding device, which includes a funnel and a bent pipe. The bent pipe is connected to the bottom end of the funnel and is mounted on the frame 1. The output end of the bent pipe is positioned above the bottom filter cartridge 8. In the process of removing inorganic salts from polyether ether ketone, the material (polyether ether ketone containing inorganic salts) is poured into the funnel. The material in the funnel is discharged into the filter cartridge 8 on the corresponding side along the bent pipe, while the transmission belt 201 is stationary at this time.

[0031] To position the multiple cartridges 8 mounted on the transmission belt 201, an infrared ranging sensor and a controller are installed on the frame 1. The controller is a PLC controller or a microprocessor controller. During operation, when the mounting frame 13 moves to the detection end position of the ranging sensor, the detection data of the ranging sensor changes and is fed back to the controller. The controller then controls the first servo motor 202 to stop driving. Through the above structure, the positioning of multiple filter cartridges 8 and the intermittent movement of the transmission belt 201 can be achieved.

[0032] Pure water for cleaning is injected into the inside of the inlet pipe 10. It should be noted that the inlet pipe 10 is connected to a pure water tank. A valve and an electronic flow meter are installed on the inlet pipe 10 to control the water injection volume. The pure water flows into the inside of the water storage tank 22 through the inlet pipe 10. The water injection station is located below the output end of the inlet pipe 10. Before the cleaning work is carried out, multiple second servo motors 9 are started to work synchronously to drive multiple turntables 5 to rotate synchronously, so that the water storage tank 22 that has just been filled with water rotates to the position directly below the corresponding filter cartridge 8. Then, the first hydraulic cylinder 4 is started to drive the lifting plate 3 to move upward. At this time, multiple filter cartridges 8 move to the inside of multiple water storage tanks 22 respectively. Then, the second hydraulic cylinder 7 is started to drive the connecting frame 20 to move. The movement of the connecting frame 20 drives multiple racks 21 to move. During the movement, the racks 21 drive the gears 19 to rotate. The rotation of the gears 19 drives the stirring rod 18 to rotate, thereby stirring the material and accelerating the dissolution and cleaning of inorganic salts.

[0033] After a single cleaning operation is completed, the drive lifting plate 3 is driven to return to its original position, causing the filter cartridge 8 to separate from the inside of the water storage tank 22. Then, the water storage tank 22 is driven to rotate. It should be noted that an opening is provided at the bottom of the water storage tank 22, and a sealing ring is provided at the bottom of the water storage tank 22. When the opening at the bottom of the water storage tank 22 is connected to the upper end of the corresponding side drain pipe 11, the wastewater is discharged through the drain pipe 11. The drain pipe 11 is then connected to the wastewater tank, and the work position corresponding to the drain pipe 11 is the drainage work position.

[0034] After the material has been washed multiple times, it moves to the end of the conveyor belt 201. When the filter cylinder 8 rotates upward and its opening is in the lower position, the filter cylinder 8 is tilted. In this state, the material is discharged through the opening on the filter cylinder 8 onto the discharge plate 6, and the material rolls down through the discharge plate 6.

[0035] Example 2

[0036] like Fig. 2 and Fig. 3 As shown in this embodiment, an inorganic salt removal system for the production process of polyether ether ketone (PEEK) is proposed. Compared with Embodiment 1, in this embodiment, guide rails 12 are provided on both sides of the transmission belt 201. Both guide rails 12 are connected to the frame 1. Slide grooves are provided on the guide rails 12, and the slide grooves are arranged around the circumference of the transmission belt 201. Slide rods 14 are connected to both ends of the mounting bracket 13. The outer ends of the slide rods 14 on both sides are slidably installed in the slide grooves on both sides. Through the arrangement of slide rods 14 and guide rails 12, the movement of the barrel mechanism can be guided, and the load on the transmission belt 201 can be reduced, preventing the bottom of the transmission belt 201 from bending downward.

[0037] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. An inorganic salt removal system for the production process of polyetheretherketone (PEEK), characterized in that, include: A frame (1) is provided with a drive belt (201) mounted on its upper end, and a first power assembly for driving the drive belt (201) is mounted on the frame (1). Multiple material cylinder mechanisms are equidistantly installed on the outer periphery of the transmission belt (201). Each material cylinder mechanism includes a filter cylinder (8) and a mounting frame (13). The mounting frame (13) is installed on the transmission belt (201). A limit ring (15) is provided on the outer periphery of the open end of the filter cylinder (8). A sleeve (16) is connected between the limit ring (15) and the mounting frame (13). A rotating shaft (17) is rotatably connected to the sleeve (16). A stirring rod (18) and a gear (19) are installed on the rotating shaft (17). The second power assembly includes a second hydraulic cylinder (7) mounted on the frame (1), a connecting frame (20) connected to the output shaft of the second hydraulic cylinder (7), and multiple racks (21) arranged side by side on the connecting frame (20); Lifting plate (3), the lifting plate (3) is located below the transmission belt (201), and a first hydraulic cylinder (4) for driving the lifting plate (3) to lift is installed on the frame (1); Multiple cleaning mechanisms are installed equidistantly on the lifting plate (3). Each cleaning mechanism includes a turntable (5) set above the lifting plate (3), a second servo motor (9) installed on the lifting plate (3) for driving the turntable (5) to rotate, and multiple water storage cylinders (22) installed on the turntable (5). Multiple drain pipes (11) are arranged side by side on the lifting plate (3). The discharge plate (6) is inclined and set on one side of the conveying end of the transmission belt (201).

2. The inorganic salt removal system in the polyetheretherketone (PEEK) production process according to claim 1, characterized in that, Guide rails (12) are provided on both sides of the transmission belt (201). Both guide rails (12) are connected to the frame (1). Slide grooves are provided on the guide rails (12). The slide grooves are arranged around the circumference of the transmission belt (201). Both ends of the mounting bracket (13) are connected to slide rods (14). The outer ends of the slide rods (14) on both sides are slidably installed in the slide grooves on both sides.

3. The inorganic salt removal system in the polyetheretherketone (PEEK) production process according to claim 1, characterized in that, The first power assembly includes a first servo motor (202) and two drive rollers (203), wherein the two drive rollers (203) are mounted side by side on the frame (1), and a drive belt (201) is sleeved on the two drive rollers (203). The first servo motor (202) is mounted on the frame (1) and its output shaft is connected to the rotating shaft of the drive rollers (203).

4. The inorganic salt removal system in the polyetheretherketone (PEEK) production process according to claim 1, characterized in that, The center-to-center distance between two adjacent filter cartridges (8) is equal to the center-to-center distance between two adjacent turntables (5).

5. The inorganic salt removal system in the polyetheretherketone (PEEK) production process according to claim 1, characterized in that, An infrared ranging sensor and a controller are installed on the frame (1).

6. The inorganic salt removal system in the polyetheretherketone (PEEK) production process according to claim 1, characterized in that, Each of the multiple turntables (5) is equipped with an inlet pipe (10).

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