Drying device for polyacrylonitrile production

Abstract

The utility model provides a drying device for polyacrylonitrile production, and relates to the technical field of polyacrylonitrile production, the drying device for polyacrylonitrile production comprises a box body, the front side of the box body is fixedly connected with a temperature controller, according to the drying device for polyacrylonitrile production, a pull rod is pulled, a spring is compressed through a convex ring, a fixing block is inserted into a placement groove, then the pull rod is loosened, the spring rebounds, and the temperature controller is connected with the temperature controller. When the tray is installed, the tray is arranged on the outer side of the rotating shaft in a sleeving mode, a polygonal inserting column at one end of the rotating shaft penetrates through a polygonal inserting hole of an inserting-connecting lantern ring, a gear motor slowly rotates, and therefore the tray is fixed, gas is heated through an electric heating wire, and polyacrylonitrile particles are dried. According to the drying device, the rotating shaft is driven to rotate to drive a polygonal inserting column on the rotating shaft to rotate, so that a shifting rod of a lantern ring is driven to rotate, polyacrylonitrile particles can be shifted, a better drying effect is achieved, the lantern ring is connected to the top of the tray through the shifting rod, a limiting frame and a clamping groove, and the lantern ring can be limited.

Description

Technical Field

[0001] This utility model relates to the field of polyacrylonitrile production technology, and in particular to a drying device for polyacrylonitrile production. Background Technology

[0002] The main reason for drying polyacrylonitrile (PAI) granules is to remove moisture and volatile substances, thereby improving processing quality and production efficiency. PAI is a polymer compound that is highly sensitive to moisture and volatile substances. If it is not dried before processing, it may lead to processing difficulties or even quality problems. Therefore, a drying device for PAI production is needed. Utility Model Content

[0003] The purpose of this invention is to provide a drying device for polyacrylonitrile production, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a drying device for polyacrylonitrile production, comprising a box body, a temperature controller fixedly connected to the front side of the box body, a fixing groove formed on the front side of the box body, a door panel connected to the front side of the box body via a hinge, an air inlet pipe fixedly connected to the top of the box body, a fan fixedly connected to the inner side of the air inlet pipe via a bracket, a heating wire fixedly connected to the inner side of the air inlet pipe, a dehumidification pipe fixedly connected to the back of the box body, and an installation mechanism provided on the inner side of the box body, the installation mechanism comprising a placement hole, a support leg, a tray, a fixing block, a placement groove, a pull rod, a convex ring, and a spring. The inner side of the box body has a placement hole, a support leg is inserted into the inner side of the placement hole, a tray is fixedly connected to one end of the support leg, four support legs are provided, one end of which is fixedly connected to a fixing block, a placement groove is inserted into the outer side of the fixing block, a pull rod is slidably inserted through the inner side of the box body, a convex ring is fixedly connected to the outer side of the pull rod, and a spring is fixedly connected to one side of the convex ring.

[0005] Preferably, the inner wall of the placement hole is adapted to the outer wall of the support leg, and a pin hole is provided on one side of the fixing block.

[0006] Preferably, the outer wall size of the fixing block is adapted to the inner wall size of the placement groove, and the outer wall of one end of the pull rod is adapted to the inner wall of the pin hole on one side of the fixing block.

[0007] Preferably, a transmission mechanism is provided on the inner side of the housing. The transmission mechanism includes a geared motor, a rotating shaft, a polygonal pin, a collar, a polygonal insertion hole, a lever, a limiting frame, and a slot. The geared motor is fixedly connected to the inner side of the fixing slot. One end of the output shaft of the geared motor is fixedly connected to the rotating shaft. One end of the rotating shaft is fixedly connected to the polygonal pin. A collar is provided on the top of the tray. A polygonal insertion hole is opened through the top of the collar. A lever is fixedly connected to the outer side of the collar. A limiting frame is welded to one end of the lever. A slot is provided at the connection between the lever and the limiting frame.

[0008] Preferably, the inner wall of the slot is connected to the outer edge of the tray, and the collar is rotatably connected to the tray via a lever, a limiting bracket, and the slot.

[0009] Preferably, the outer wall of the lever fits against the inner wall of the tray, and the inner wall of the polygonal socket is adapted to the outer wall of the polygonal post.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, the polyacrylonitrile (PA) granules are placed on a tray, and the support legs on the tray are inserted into the corresponding placement holes. During placement, the pull rod is pulled, compressing the spring through the convex ring, causing the fixing block to insert into the placement slot. Then, the pull rod is released, the spring rebounds, and one end of the pull rod inserts into the pin hole on one side of the fixing block, thus fixing the tray. Gas is heated by an electric heating wire and blown onto the surface of the PA granules to dry them. When installing the tray, it is fitted onto the outside of the rotating shaft, allowing the polygonal post at one end of the rotating shaft to pass through the polygonal insertion hole of the collar. The slow rotation of the reduction motor drives the polygonal post on the rotating shaft to rotate, thereby rotating the lever of the collar. This allows for the movement of the PA granules, achieving a better drying effect. The collar, through the setting of the lever, limit frame, and slot, is connected to the top of the tray, which can limit the movement of the collar. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the fan and heating wire used in conjunction with this utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the rotating shaft and the polygonal insert used in conjunction with this utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the placement hole and the support leg used in conjunction with this utility model;

[0015] Figure 5 This is a utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0016] In the diagram: 1. Cabinet; 2. Thermostat; 3. Fixing slot; 4. Door panel; 5. Air inlet pipe; 6. Fan; 7. Heating wire; 8. Exhaust pipe; 9. Gear motor; 10. Shaft; 11. Polygonal insert; 12. Placement hole; 13. Support leg; 14. Tray; 15. Collar; 16. Polygonal insertion hole; 17. Lever; 18. Limiting bracket; 19. Fixing block; 20. Placement slot; 21. Pull rod; 22. Protruding ring; 23. Spring; 24. Slot. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example

[0019] Please see Figure 1-5 This utility model discloses a drying device for polyacrylonitrile production: It includes a housing 1, a temperature controller 2 fixedly connected to the front side of the housing 1, a fixing groove 3 on the front side of the housing 1, a door panel 4 connected to the front side of the housing 1 via a hinge, an air inlet pipe 5 fixedly connected to the top of the housing 1, a fan 6 fixedly connected to the inside of the air inlet pipe 5 via a bracket, a heating wire 7 fixedly connected to the inside of the air inlet pipe 5, a dehumidification pipe 8 fixedly connected to the back of the housing 1, and an installation mechanism provided inside the housing 1. The installation mechanism includes a placement hole 12, a support leg 13, a tray 14, a fixing block 19, a placement groove 20, a pull rod 21, a convex ring 22, and a spring 23. The placement hole 12 is provided inside the housing 1, and the support leg 13 is inserted into the inside of the placement hole 12. One end of the support leg 13 is fixedly connected to the tray 14. The support leg 13 is provided with… There are four supports, one of which has a fixed block 19 fixedly connected to one end of the support leg 13. A placement groove 20 is inserted into the outside of the fixed block 19. A pull rod 21 is slidably inserted through the inside of the box 1. A convex ring 22 is fixedly connected to the outside of the pull rod 21. A spring 23 is fixedly connected to one side of the convex ring 22. In use, polyacrylonitrile granules are placed on the tray 14, and then the support leg 13 on the tray 14 is inserted into the placement hole 12. When placing them, the pull rod 21 is pulled, and the spring 23 is compressed through the convex ring 22, so that the fixed block 19 is inserted into the placement groove 20. Then the pull rod 21 is released, and the spring 23 rebounds, so that one end of the pull rod 21 is inserted into the pin hole on one side of the fixed block 19, thereby fixing the tray 14. Gas is heated by the heating wire 7 and blown onto the surface of the polyacrylonitrile granules to dry them.

[0020] Furthermore, the inner wall of the placement hole 12 is adapted to the outer wall of the support leg 13, and a pin hole is provided on one side of the fixing block 19.

[0021] Furthermore, the outer wall dimensions of the fixing block 19 are adapted to the inner wall dimensions of the placement groove 20, and the outer wall of one end of the pull rod 21 is adapted to the inner wall of the pin hole on one side of the fixing block 19.

[0022] To better dry the polyacrylonitrile granules, a transmission mechanism is provided inside the chamber 1. This mechanism includes a geared motor 9, a rotating shaft 10, a polygonal insert 11, a collar 15, a polygonal insertion hole 16, a lever 17, a limiting frame 18, and a slot 24. The geared motor 9 is fixedly connected to the inside of the fixing slot 3. One end of the output shaft of the geared motor 9 is fixedly connected to the rotating shaft 10, and one end of the rotating shaft 10 is fixedly connected to the polygonal insert 11. A collar 15 is provided on the top of the tray 14, with a polygonal insertion hole 16 extending through the top of the collar 15. A lever 17 is fixedly connected to the outside of the collar 15, and one end of the lever 17 is welded... The limit frame 18 and the lever 17 are connected to the limit frame 18 and a slot 24 is provided. When the tray 14 is installed, the tray 14 is sleeved on the outside of the rotating shaft 10, so that the polygonal insert 11 at one end of the rotating shaft 10 passes through the polygonal insertion hole 16 of the insertion collar 15. The speed reduction motor 9 rotates slowly, driving the polygonal insert 11 on the rotating shaft 10 to rotate, thereby driving the lever 17 of the collar 15 to rotate. This can move the polyacrylonitrile granules to achieve a better drying effect. The collar 15 is connected to the top of the tray 14 through the lever 17, the limit frame 18 and the slot 24, which can limit the position of the collar 15.

[0023] Furthermore, the inner wall of the slot 24 is rotatably connected to the outer edge of the tray 14 via the collar 15 through the lever 17, the limit bracket 18, and the slot 24.

[0024] Furthermore, the outer wall of the lever 17 fits against the inner wall of the tray 14, and the inner wall of the polygonal socket 16 is adapted to the outer wall of the polygonal plug 11.

[0025] Working principle: In use, polyacrylonitrile granules are placed on tray 14, and then the support legs 13 on tray 14 are inserted into the placement holes 12. During insertion, the pull rod 21 is pulled, compressing the spring 23 through the convex ring 22, causing the fixing block 19 to insert into the placement groove 20. Then, the pull rod 21 is released, and the spring 23 returns, causing one end of the pull rod 21 to insert into the pin hole on one side of the fixing block 19, thus fixing the tray 14. Gas is heated by the heating wire 7 and blown onto the surface of the polyacrylonitrile granules to dry them. When installing tray 14, the support... The tray 14 is fitted onto the outside of the rotating shaft 10, so that the polygonal insert 11 at one end of the rotating shaft 10 passes through the polygonal insertion hole 16 of the insertion collar 15. The slow rotation of the reduction motor 9 drives the polygonal insert 11 on the rotating shaft 10 to rotate, thereby driving the lever 17 of the collar 15 to rotate. This allows the polyacrylonitrile granules to be moved to achieve a better drying effect. The collar 15 is connected to the top of the tray 14 through the lever 17, the limiting frame 18 and the slot 24, which can limit the position of the collar 15. The temperature controller 2 is model: OHR-A303.

Claims

1. A drying device for polyacrylonitrile production, comprising a housing (1), characterized in that: A thermostat (2) is fixedly connected to the front side of the box (1). A fixing groove (3) is provided on the front side of the box (1). A door panel (4) is connected to the front side of the box (1) via a hinge. An air inlet pipe (5) is fixedly connected to the top of the box (1). A fan (6) is fixedly connected to the inside of the air inlet pipe (5) via a bracket. An electric heating wire (7) is fixedly connected to the inside of the air inlet pipe (5). A dehumidification pipe (8) is fixedly connected to the back of the box (1). An installation mechanism is provided on the inside of the box (1). The installation mechanism includes a placement hole (12), a support leg (13), a tray (14), a fixing block (19), a placement groove (20), and a pull. The box (1) has a rod (21), a convex ring (22) and a spring (23). The inner side of the box (1) is provided with a placement hole (12). A support leg (13) is inserted into the inner side of the placement hole (12). A tray (14) is fixedly connected to one end of the support leg (13). There are four support legs (13). One end of the support leg (13) is fixedly connected to a fixing block (19). A placement groove (20) is inserted into the outer side of the fixing block (19). A pull rod (21) is slidably inserted into the inner side of the box (1). A convex ring (22) is fixedly connected to the outer side of the pull rod (21). A spring (23) is fixedly connected to one side of the convex ring (22).

2. The drying apparatus for polyacrylonitrile production according to claim 1, characterized in that: The inner wall of the placement hole (12) is adapted to the outer wall of the support leg (13), and a pin hole is provided on one side of the fixing block (19).

3. The drying apparatus for polyacrylonitrile production according to claim 1, characterized in that: The outer wall size of the fixing block (19) is adapted to the inner wall size of the placement groove (20), and the outer wall of one end of the pull rod (21) is adapted to the inner wall of the pin hole on one side of the fixing block (19).

4. A drying apparatus for polyacrylonitrile production according to claim 1, characterized in that: The inner side of the housing (1) is provided with a transmission mechanism, which includes a geared motor (9), a rotating shaft (10), a polygonal plug (11), a collar (15), a polygonal insertion hole (16), a lever (17), a limit frame (18), and a slot (24). The geared motor (9) is fixedly connected to the inner side of the fixed groove (3). One end of the output shaft of the geared motor (9) is fixedly connected to the rotating shaft (10). One end of the rotating shaft (10) is fixedly connected to the polygonal plug (11). The top of the tray (14) is provided with a collar (15). The top of the collar (15) is provided with a polygonal insertion hole (16). The outer side of the collar (15) is fixedly connected to a lever (17). One end of the lever (17) is welded with a limit frame (18). A slot (24) is provided at the connection between the lever (17) and the limit frame (18).

5. A drying apparatus for polyacrylonitrile production according to claim 4, characterized in that: The inner wall of the slot (24) is connected to the outer edge of the tray (14), and the collar (15) is rotatably connected to the tray (14) through the lever (17), the limit frame (18) and the slot (24).

6. A drying apparatus for polyacrylonitrile production according to claim 4, characterized in that: The outer wall of the lever (17) fits against the inner wall of the tray (14), and the inner wall of the polygonal socket (16) is adapted to the outer wall of the polygonal post (11).

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