Waste salt pyrolysis device for polyphenylene sulfide production

Abstract

The utility model discloses a waste salt pyrolysis device for polyphenylene sulfide production, particularly relates to the technical field of waste salt pyrolysis, and mainly comprises a pyrolysis box body and a feeding box, the feeding box is positioned at the top end of the pyrolysis box body and is welded and communicated with the pyrolysis box body, a plurality of extrusion racks are arranged in the feeding box, a plurality of counter-pressing racks are arranged on one side of the extrusion racks, and the counter-pressing racks are arranged on the other side of the pyrolysis box body. Inclined pressing plates are fixedly connected to the opposite sides of the extrusion rack and the opposite pressing rack correspondingly, and linkage extrusion assemblies are installed on one sides of the inclined pressing plates. The linkage extrusion assembly comprises a groove linkage rod installed on one side of the inclined pressing plate. Through the arrangement of the linkage extrusion assembly, waste salt is poured into the feeding box, the sleeving supporting block enables the concave supporting block to move synchronously in the moving process, the two groove linkage rods can move towards the interior of the feeding box synchronously, and the waste salt can be extruded and smashed in a reciprocating mode on the two inclined pressing plates; it is avoided that caked waste salt is difficult to fully heat, pyrolysis operation is achieved, and efficient and sufficient pyrolysis is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste salt pyrolysis, and in particular relates to a waste salt pyrolysis device for producing polyphenylene sulfide. Background Art

[0002] The waste salt pyrolysis device for polyphenylene sulfide production is mainly used to treat the waste salt generated in the production process of polyphenylene sulfide. By pyrolysis, harmful substances in the waste salt can be decomposed, thereby achieving the purpose of reducing pollution and protecting the environment. In the prior art, the utility model patent of China Patent Publication No. CN218309987U mainly filters the large particle impurities in the large particle smoke in the waste gas generated after pyrolysis, avoids the problem of pipeline smoke corroding the inside of the pipeline, increases the service life of the pipeline, avoids the problem of smoke corroding the pipeline and causing holes in the pipeline, avoids the problem of harmful waste gas being discharged into the atmosphere through the holes, which has an impact on human life and health and the environment, and enhances the safety of the equipment during use; however, the pyrolysis device still has the following defects when in use;

[0003] When the pyrolysis device pyrolyzes the waste salt produced in the production of polyphenylene sulfide, some of the waste salt forms agglomerates during the pyrolysis, so it is difficult for heat to be evenly contacted during the pyrolysis process, making it difficult to quickly and fully pyrolyze the agglomerated waste salt, resulting in low pyrolysis efficiency. Therefore, a waste salt pyrolysis device for the production of polyphenylene sulfide is needed. Utility Model Content

[0004] The technical solution of the utility model aims at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology. The utility model provides a waste salt pyrolysis device for polyphenylene sulfide production.

[0005] The utility model is implemented in this way. The utility model provides the following technical solutions: a waste salt pyrolysis device for polyphenylene sulfide production, comprising a pyrolysis box body and a feed box, the feed box is located at the top of the pyrolysis box body and is welded and connected, a plurality of extrusion racks are installed inside the feed box, a plurality of counter-pressure racks are provided on one side of the extrusion racks, the opposite sides of the extrusion racks and the counter-pressure racks are fixedly connected with inclined pressure plates, and a linkage extrusion assembly is installed on one side of the inclined pressure plate; the linkage extrusion assembly comprises a groove linkage rod installed on one side of the inclined pressure plate, one end of the groove linkage rod passes through the inner wall of the feed box and extends to the outside of the feed box, a support shaft is welded to the inner wall of the groove linkage rod and near one end thereof; a sleeve shaft is rotatably installed on the outer wall of the support shaft through a bearing, a linkage support shaft is rotatably installed on the inner wall of the sleeve shaft and away from the support shaft, and a concave support block with a concave vertical cross-section shape is welded to the bottom end of the linkage support shaft.

[0006] Preferably, a plurality of the extrusion racks are arranged obliquely in sequence from bottom to top, and a plurality of the pressure racks are arranged obliquely in sequence from bottom to top, the vertical cross-sectional area of ​​the pressure racks is larger than the vertical cross-sectional area of ​​the extrusion racks, the inclined pressure plate is welded to the groove linkage rod, and the outer wall of the groove linkage rod is polished and ground, a sleeve support block is welded above the concave support block, an electric cylinder is fixedly installed between the sleeve support block and the feed box, the electric cylinder is used to push the sleeve support block to move, a resistance wire heating plate for heating is fixedly installed at the bottom end of the inner wall of the pyrolysis box, and a support frame plate is fixedly installed at the bottom end of the resistance wire heating plate by bolts.

[0007] In the above technical solution, the starting electric cylinder drives the sleeve support block to move to the left, and the sleeve support block causes the concave support block to move synchronously during the movement. The two linkage support shafts respectively drive the two sleeve shaft rods to achieve synchronous movement, so that the two sleeve shaft rods drive the support shaft to move during the movement to the left, and the support shaft carries the groove linkage rod to move into the feed box during the movement. The two groove linkage rods respectively drive the two inclined pressure plates to approach each other, one inclined pressure plate drives multiple extrusion racks to move, and the other inclined pressure plate drives multiple counter-pressure racks to move, which can realize reciprocating embedding and extrusion of waste salt.

[0008] Preferably, a second first transmission auger is rotatably installed on the inner wall of the pyrolysis box and located above the resistance wire heating plate, and a linkage pyrolysis component is installed behind the first transmission auger; the linkage pyrolysis component includes a second transmission auger installed behind the first transmission auger for conveying waste salt, and the outer walls of the second transmission auger and the first transmission auger are fixedly installed with linkage gear rings on one side of the pyrolysis box, and two adjacent linkage gear rings are engaged for transmission, and a driving shaft is welded cocentrically at one end of the first transmission auger; a socket support box is rotatably installed on the outer wall of the driving shaft and located on one side of the linkage gear ring, and a driving motor for driving the driving shaft is fixedly installed on one side of the socket support box, and one end of the driving shaft is coaxially connected to the output end of the driving motor, and the outer walls of the second transmission auger and the first transmission auger are rotatably connected to the inside of the pyrolysis box.

[0009] In the above technical solution, the drive motor is started to drive the drive shaft to rotate inside the socket support box, and the drive shaft drives the first transmission auger to rotate. When the first transmission auger rotates, it can carry the linked gear ring to rotate. The first transmission auger and the second transmission auger rotate inside the pyrolysis box to achieve large-area waste salt pyrolysis.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. By setting a linkage extrusion assembly, the waste salt is poured into the feed box. The sleeve support block makes the concave support block move synchronously during the movement process. The two linkage support shafts respectively drive the two sleeve shaft rods to achieve synchronous movement. The two groove linkage rods can move synchronously toward the inside of the feed box. Multiple pressure racks and multiple extrusion racks are engaged to extrude the waste salt produced by polyphenylene sulfide. The waste salt can be reciprocated on two inclined pressure plates to achieve extrusion and crushing, so that the agglomerated waste salt is not difficult to be fully heated to achieve pyrolysis operation, and efficient and sufficient pyrolysis is achieved;

[0012] 2. Use a linkage pyrolysis component, start the drive motor to drive the drive shaft to rotate inside the socket support box, and at the same time the drive shaft drives the first transmission auger to rotate, and the first transmission auger can carry the linkage gear ring to rotate when rotating. The first transmission auger and the second transmission auger rotate inside the pyrolysis box, the pyrolysis conveying area is wider, and the amount of pyrolysis waste salt is more. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the overall structure of a waste salt pyrolysis device for producing polyphenylene sulfide.

[0014] Figure 2 It is a schematic diagram of the vertical cross-section structure of a waste salt pyrolysis device for producing polyphenylene sulfide according to the utility model.

[0015] Figure 3 It is a schematic diagram of the local structure of the vertical section of the connection between the feed box and the groove linkage rod of the utility model.

[0016] Figure 4 It is a schematic diagram of the local structure of the connection between the support shaft and the sleeve shaft rod of the utility model.

[0017] Figure 5 It is a schematic diagram of the main plan structure of a waste salt pyrolysis device for producing polyphenylene sulfide according to the utility model.

[0018] Figure 6 It is a schematic diagram of the local structure of the vertical section of the connection between the drive shaft and the sleeve support box of the utility model.

[0019] In the figure: 1. pyrolysis box; 2. feed box; 3. extrusion rack; 4. counter-pressure rack; 5. inclined pressure plate; 6. groove linkage rod; 7. support shaft; 8. sleeve shaft rod; 9. linkage support shaft; 10. concave support block; 11. sleeve support block; 12. electric cylinder; 13. resistance wire heating plate; 14. support frame plate; 15. first transmission auger; 16. second transmission auger; 17. linkage gear ring; 18. drive shaft; 19. drive motor; 20. sleeve support box. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] As attached Figure 1-6 A pyrolysis device for waste salt used in the production of polyphenylene sulfide is shown. The pyrolysis device for waste salt used in the production of polyphenylene sulfide is provided with a linkage extrusion component and a linkage pyrolysis component. The arrangement of each component enables the waste salt to be reciprocated on two inclined pressing plates 5 to achieve extrusion and crushing, thereby preventing the agglomerated waste salt from being difficult to be fully heated to achieve pyrolysis operation, and achieving efficient and sufficient pyrolysis. The specific structural arrangement of each component is as follows:

[0022] In this embodiment, as shown in the attached Figure 1-4 As shown, the linkage extrusion assembly includes a groove linkage rod 6 installed on one side of the inclined pressing plate 5, one end of the groove linkage rod 6 penetrates the inner wall of the feed box 2 and extends to the outside of the feed box 2, and a support shaft 7 is welded to the inner wall of the groove linkage rod 6 and close to one end thereof; a sleeve shaft rod 8 is rotatably installed on the outer wall of the support shaft 7 through a bearing, and a linkage support shaft 9 is rotatably installed on the inner wall of the sleeve shaft rod 8 and away from the support shaft 7, and a concave support block 10 with a concave vertical cross-section is welded to the bottom end of the linkage support shaft 9;

[0023] The pyrolysis method of the waste salt pyrolysis device for polyphenylene sulfide production in this embodiment is as follows:

[0024] Waste salt produced by polyphenylene sulfide is poured into the feed box 2, and the socket support block 11 is driven to move to the left by starting the electric cylinder 12. The socket support block 11 causes the concave support block 10 to move synchronously during the movement, and the concave support block 10 can carry two linkage support shafts 9 to achieve synchronous movement. The two linkage support shafts 9 respectively drive the two socket shaft rods 8 to achieve synchronous movement, so that the two socket shaft rods 8 drive the support shaft 7 to move in the process of moving to the left, and the support shaft 7 carries the groove linkage rod 6 to move into the feed box 2 when moving. The two groove linkage rods 6 can move synchronously toward the feed box 2, and the two groove linkage rods 6 respectively drive the two inclined pressing plates 5 to approach each other, one inclined pressing plate 5 drives multiple extrusion racks 3 to move, and the other inclined pressing plate 5 drives multiple counter-pressure racks 4 to move, and the multiple counter-pressure racks 4 and the multiple extrusion racks 3 are engaged with each other to extrude the waste salt produced by polyphenylene sulfide, and then the electric cylinder 12 is started to drive the socket support block 11 to move to the right, so that the gap between the two inclined pressing plates 5 becomes larger.

[0025] In this embodiment, as shown in the attached Figure 1-5As shown, a socket support block 11 is welded above the concave support block 10, and an electric cylinder 12 is fixedly installed between the socket support block 11 and the feed box 2. The electric cylinder 12 is used to push the socket support block 11 to move, so that the electric cylinder 12 can be started to drive the socket support block 11 to move to the left. The socket support block 11 moves the concave support block 10 synchronously during the movement, so that the electric cylinder 12 can push the socket support block 11. A resistance wire heating plate 13 for heating is fixedly installed at the bottom end of the inner wall of the pyrolysis box 1, and a support frame plate 14 is fixedly installed at the bottom end of the resistance wire heating plate 13 by bolts, so that the support frame plate 14 plays a reinforcing and supporting role on the bottom end of the pyrolysis box 1. The resistance wire heating plate 13 can heat the bottom end of the inner wall of the pyrolysis box 1, so that the pyrolysis operation can be realized on the waste salt produced by polyphenylene sulfide.

[0026] In this embodiment, as shown in the attached Figure 2-6 As shown, the inner wall of the pyrolysis box 1 and the position above the resistance wire heating plate 13 are rotatably installed with the second first transmission auger 15, and a linkage pyrolysis component is installed behind the first transmission auger 15; the linkage pyrolysis component includes a second transmission auger 16 installed behind the first transmission auger 15 for conveying waste salt, and the outer walls of the second transmission auger 16 and the first transmission auger 15 and the positions on one side of the pyrolysis box 1 are fixedly installed with a linkage gear ring 17, and the two adjacent linkage gear rings 17 are meshed and driven, and a drive shaft 18 is welded cocentrically at one end of the first transmission auger 15; the outer wall of the drive shaft 18 and the position on one side of the linkage gear ring 17 are rotatably installed with a sleeve support box 20, and a drive motor 19 for driving the drive shaft 18 is fixedly installed on one side of the sleeve support box 20, and one end of the drive shaft 18 is coaxially connected to the output end of the drive motor 19, and the outer walls of the second transmission auger 16 and the first transmission auger 15 are rotatably connected to the inside of the pyrolysis box 1;

[0027] According to the above structure, when the waste salt used in the production of polyphenylene sulfide is pyrolyzed, the waste salt is inside the pyrolysis box 1, and the drive shaft 18 is driven to rotate inside the socket support box 20 by starting the drive motor 19. At the same time, the drive shaft 18 drives the first transmission auger 15 to rotate. When the first transmission auger 15 rotates, it can carry the linkage gear ring 17 to rotate. The linkage gear ring 17 drives another linkage gear ring 17 to engage and rotate. The first transmission auger 15 and the second transmission auger 16 rotate inside the pyrolysis box 1, thereby realizing double-area transportation of pyrolysis waste salt.

[0028] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A waste salt pyrolysis device for the production of polyphenylene sulfide, comprising a pyrolysis box (1) and a feed box (2), wherein the feed box (2) is located at the top of the pyrolysis box (1) and is welded and connected, a plurality of extrusion racks (3) are installed inside the feed box (2), and a plurality of counter-pressure racks (4) are provided on one side of the extrusion racks (3), characterized in that: The opposite sides of the extrusion rack (3) and the counter-pressure rack (4) are both fixedly connected with an inclined pressing plate (5), and a linkage extrusion assembly is installed on one side of the inclined pressing plate (5); The linkage extrusion assembly comprises a groove linkage rod (6) installed on one side of the inclined pressing plate (5), one end of the groove linkage rod (6) passes through the inner wall of the feed box (2) and extends to the outside of the feed box (2), and a support shaft (7) is welded to the inner wall of the groove linkage rod (6) and close to one end thereof; A sleeve shaft rod (8) is rotatably mounted on the outer wall of the support shaft (7) via a bearing, a linkage support shaft (9) is rotatably mounted on the inner wall of the sleeve shaft rod (8) at a position away from the support shaft (7), and a concave support block (10) having a concave vertical cross-section is welded to the bottom end of the linkage support shaft (9).

2. The waste salt pyrolysis device for polyphenylene sulfide production according to claim 1, characterized in that: The plurality of extrusion racks (3) are arranged in an inclined manner from bottom to top, and the plurality of counter-pressure racks (4) are arranged in an inclined manner from bottom to top, and the vertical cross-sectional area of ​​the counter-pressure racks (4) is greater than the vertical cross-sectional area of ​​the extrusion racks (3).

3. The waste salt pyrolysis device for polyphenylene sulfide production according to claim 1, characterized in that: The inclined pressing plate (5) and the groove linkage rod (6) are welded, and the outer wall of the groove linkage rod (6) is polished and ground.

4. The waste salt pyrolysis device for polyphenylene sulfide production according to claim 1, characterized in that: A sleeve support block (11) is welded above the concave support block (10), and an electric cylinder (12) is fixedly installed between the sleeve support block (11) and the feed box (2), and the electric cylinder (12) is used to push the sleeve support block (11) to move.

5. The waste salt pyrolysis device for polyphenylene sulfide production according to claim 1, characterized in that: A resistance wire heating plate (13) for heating is fixedly mounted on the bottom end of the inner wall of the pyrolysis box (1), and a support frame plate (14) is fixedly mounted on the bottom end of the resistance wire heating plate (13) by means of bolts.

6. A waste salt pyrolysis device for polyphenylene sulfide production according to claim 5, characterized in that: A second first transmission auger (15) is rotatably mounted on the inner wall of the pyrolysis box (1) and located above the resistance wire heating plate (13), and a linkage pyrolysis assembly is mounted behind the first transmission auger (15); The linkage pyrolysis assembly comprises a second transmission auger (16) installed behind the first transmission auger (15) for conveying waste salt, the outer walls of the second transmission auger (16) and the first transmission auger (15) and located on one side of the pyrolysis box (1) are fixedly installed with linkage gear rings (17), two adjacent linkage gear rings (17) are meshed for transmission, and a drive shaft (18) is cocentrically welded to one end of the first transmission auger (15); A sleeve support box (20) is rotatably mounted on the outer wall of the drive shaft (18) and located on one side of the linkage gear ring (17); a drive motor (19) for driving the drive shaft (18) is fixedly mounted on one side of the sleeve support box (20).

7. A waste salt pyrolysis device for polyphenylene sulfide production according to claim 6, characterized in that: One end of the driving shaft (18) is coaxially connected to the output end of the driving motor (19), and the outer walls of the second transmission auger (16) and the first transmission auger (15) are both rotatably connected to the interior of the pyrolysis box (1).

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