A high molecular polymer continuous devolatilization device and operation monitoring method thereof

Abstract

The present invention discloses a continuous devolatilization device for high molecular polymer and an operation monitoring method thereof. A distributor is arranged between a primary device and a secondary device; the distributor comprises a connecting piece, a telescopic cylinder and a fixed plate. The interior of the connecting piece is arranged as a cavity. A first connection port is provided on one end face of the connecting piece, and a plurality of second connection ports are provided on the other end face of the connecting piece. Both the first connection port and the second connection port are connected to the internal cavity of the connecting piece. A fixed plate is fixedly arranged on the side of the connecting piece, and a telescopic cylinder is fixedly arranged on the fixed plate. A piston is connected to the end of the telescopic rod of the telescopic cylinder, and the piston is arranged in a sliding seal with the cavity. The materials in the primary device are distributed to a plurality of secondary devices through the distributor. When one of the secondary devices fails, the failed secondary device is shielded by adjusting the piston position, which does not affect the normal operation of other secondary devices, so that the devolatilization device can continuously devolatilize.

Description

Technical Field

[0001] The invention relates to the technical field of polymer material processing, and in particular to a polymer continuous devolatilization device and an operation monitoring method thereof. Background Art

[0002] With the rapid development of the polymer materials industry, the market demand for high-purity, high-performance polymers is increasing. In the production process of polymers, low-boiling point impurities, unreacted small molecular monomers and other volatile components in the raw materials often need to be removed before the polymer is formed to ensure the quality and performance of the final product.

[0003] In the multi-stage devolatilization process, the viscosity of the material has a crucial influence on the devolatilization efficiency. If the viscosity of the material is too low during the deep devolatilization process, it will affect the thermal load of the devolatilizer and may not achieve the desired devolatilization effect, affecting the final performance of the product.

[0004] In addition, the production scale of high molecular polymer is very large. The current devolatilization process is often carried out in a devolatilization main machine. Once the devolatilization main machine fails, such as heating system failure, vacuum system failure, screw failure, control system failure, etc., the entire devolatilization system will be paralyzed. Therefore, a high molecular polymer continuous devolatilization device and an operation monitoring method thereof are developed to enable the high molecular polymer to be stably and continuously devolatilized. Summary of the invention

[0005] The present application provides a high molecular polymer continuous devolatilization device and an operation monitoring method thereof, which solves the technical problem in the prior art that continuous devolatilization cannot be achieved due to a failure of a devolatilization main unit.

[0006] The present application provides a high molecular polymer continuous devolatilization device, comprising:

[0007] A primary device, a secondary device and a distributor, wherein the distributor is connected between the primary device and the secondary device;

[0008] The distributor comprises a connecting piece, a telescopic cylinder and a fixing plate, the interior of the connecting piece is set as a cavity, a first connecting port is provided on one end surface of the connecting piece, and a plurality of second connecting ports are provided on the other end surface of the connecting piece, the first connecting port and the second connecting port are both communicated with the internal cavity of the connecting piece, a fixing plate is fixedly provided on the side of the connecting piece, a telescopic cylinder is fixedly provided on the fixing plate, the telescopic rod of the telescopic cylinder is operable to move in the cavity, a piston is connected to the end of the telescopic rod of the telescopic cylinder, and the piston is provided in a sliding seal cooperation with the cavity;

[0009] The outlet of the primary device is connected to the first connection port, and the second connection port is connected to the inlet of the corresponding secondary device.

[0010] In some embodiments, the fixing plates are two symmetrically arranged on both sides of the connecting member.

[0011] In some embodiments, the first connection port is disposed correspondingly in the middle position of the second connection port arrangement.

[0012] In some embodiments, a three-stage device is provided between the first-stage device and the distributor, and the three-stage device includes an upper connecting cylinder, a rotating cylinder and a lower connecting cylinder connected in sequence, a viscosity sensor is provided on the upper connecting cylinder or the lower connecting cylinder, the upper connecting cylinder is connected to the outlet of the first-stage device, the lower connecting cylinder is connected to the inlet of the second-stage device, and the rotating cylinder is rotatably sealed with the upper connecting cylinder and the lower connecting cylinder;

[0013] The inner wall of the drum is provided with spiral blades, and the drum is driven to rotate by a first motor.

[0014] In some embodiments, a stirring barrel is provided between the upper connecting barrel and the rotating barrel, a devolatilization vent is provided at the upper end of the stirring barrel, and a plurality of first stirring rods are provided at the port of the rotating barrel, and the first stirring rods are arranged in the stirring barrel.

[0015] In some embodiments, a second motor is installed on the side of the mixing barrel opposite to the rotating drum, a turntable is rotatably arranged in the mixing barrel, an output shaft of the second motor is connected to the turntable, and a plurality of second stirring rods are arranged on the end surface of the turntable.

[0016] In some embodiments, a temperature sensor is provided on the upper connecting tube or the lower connecting tube, a heating cover is fixedly provided on the side of the mixing barrel, a cavity is formed between the heating cover and the side of the mixing barrel, a heater is provided in the cavity, an insulation layer is provided on the outside of the heating cover, and the second motor is installed on the insulation layer.

[0017] In some embodiments, the turntable includes a shell, a first bevel gear, a second bevel gear and a lead screw, the first bevel gear is located inside the shell and is installed on the output shaft of the second motor, the number of groups of the second bevel gear and the lead screw is the same as the number of the first stirring rods, the second bevel gear is located inside the shell and is fixedly arranged on the inner wall of the shell through an ear plate, and the second bevel gear is rotatably connected to the ear plate; the lead screw passes through the second bevel gear and the ear plate, the lead screw is threadedly matched with the second bevel gear, two limit plates for limiting its extreme positions are fixedly arranged at both ends of the lead screw, a sliding rod is rotatably connected to the outer end of the lead screw, the sliding rod passes through the shell and is fixedly connected to the second stirring rod, the sliding rod is sealed with the shell, and the cross-section of the sliding rod is non-circular;

[0018] A plurality of resistance blades are fixedly arranged on the outer side wall of the turntable, and the resistance blades are staggered with the lead screw.

[0019] In some embodiments, a convex strip is disposed on the side of the first stirring rod, and a groove is correspondingly disposed on the side of the second stirring rod. When the turntable drives the second stirring rod to move outward, the first stirring rod and the second stirring rod can be operably matched through the convex strip and the groove.

[0020] An operation monitoring method, applied to the above-mentioned devolatilization device, comprises the following steps:

[0021] Step 1: Add the material into the first-stage device for first-stage devolatilization;

[0022] Step 2: The material discharged from the primary device is divided into multiple secondary devices through a distributor for secondary devolatilization;

[0023] Step 3: Adjust the position of the piston to adjust the flow rate entering the secondary device;

[0024] Step 4: Detect the temperature and viscosity of the material through the temperature sensor and viscosity sensor on the third-level device;

[0025] When the material temperature is lower than the preset temperature, and / or the material viscosity is lower than the preset viscosity;

[0026] The first motor is started to drive the drum to rotate in a first direction, and the drum provides resistance to the material;

[0027] The second motor is started to drive the turntable to rotate, and the first stirring rod and the second stirring rod stir the material in the stirring barrel, and the generated gas is discharged through the devolatilization exhaust hole;

[0028] The heater is started to heat, and the heat generated by the heater is transferred to the material through the stirring barrel, the turntable and the second stirring rod;

[0029] Step 5: When it is detected that the material temperature and viscosity meet the preset requirements, the adjustment unit of the turntable is adjusted, and the screw drives the second stirring rod to move outward, so that the first stirring rod and the second stirring rod are clamped on the same circumference, and the first motor and the second motor drive the rotating drum to rotate in the second direction, and the rotating drum provides conveying power for the material.

[0030] The beneficial effects of this application are as follows:

[0031] The high molecular polymer continuous devolatilization device and its operation monitoring method provided by the present invention distribute the materials in the primary device to multiple secondary devices through a distributor. When one of the secondary devices fails, the failed secondary device is shielded by adjusting the piston position, which does not affect the normal operation of other secondary devices, so that the devolatilization device can continuously devolatilize. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention.

[0033] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the devolatilization device provided in the present application;

[0034] Figure 2 This is one of the structural schematic diagrams of the distributor in the devolatilization device provided in this application;

[0035] Figure 3 The second structural schematic diagram of the distributor in the devolatilization device provided in the present application;

[0036] Figure 4 It is a structural schematic diagram of the telescopic cylinder in the distributor;

[0037] Figure 5 This is a schematic diagram of the overall structure of the second embodiment of the devolatilization device provided in the present application;

[0038] Figure 6 A schematic diagram of the structure of a three-stage device in the devolatilization device provided in this application;

[0039] Figure 7 One of the cross-sectional views of the three-stage device in the devolatilization device provided in the present application;

[0040] Figure 8 The second cross-sectional view of the three-stage device in the devolatilization device provided in the present application;

[0041] Fig. 9 is a schematic diagram of the structure of the first stirring rod in the three-stage device;

[0042] Fig.10 Schematic diagram of the internal structure of the three-stage device.

[0043] Among them, 11-first-level device; 12-second-level device;

[0044] 20-distributor; 21-connecting piece; 22-telescopic cylinder; 23-fixing plate; 24-cavity; 25-first connecting port; 26-second connecting port;

[0045] 30-three-stage device; 301-viscosity sensor; 302-temperature sensor; 31-upper connecting cylinder; 311-devolatilization exhaust hole; 32-rotating cylinder; 321-spiral blade; 322-first stirring rod; 323-convex strip; 324-window; 33-lower connecting cylinder; 34-stirring barrel; 341-second motor; 342-turntable; 343-second stirring rod; 344-heating cover; 345-cavity; 346-insulating layer; 347-groove; 348-screw; 35-housing; 36-first bevel gear; 37-second bevel gear; 38-ear plate; 39-resistance blade; 40-sliding rod; 41-limiting plate. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0047] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0048] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0049] The embodiment of the present application solves the technical problem in the prior art that continuous devolatilization cannot be performed due to a failure of a devolatilization main unit by providing a continuous devolatilization device for a high molecular polymer and an operation monitoring method thereof.

[0050] The technical solution in the embodiment of the present application is to solve the above technical problems, and the overall idea is as follows:

[0051] Example 1 Figure 1-Figure 4 As shown, the present application provides a high molecular polymer continuous devolatilization device, comprising:

[0052] A primary device 11, a secondary device 12 and a distributor 20, wherein the distributor 20 is connected between the primary device 11 and the secondary device 12, the primary device 11 performs primary devolatilization on the material, and the secondary device 12 performs secondary devolatilization on the material;

[0053] The distributor 20 includes a connecting member 21, a telescopic cylinder 22 and a fixed plate 23. The interior of the connecting member 21 is set as a cavity 24. A first connecting port 25 is opened on one end surface of the connecting member 21, and a plurality of second connecting ports 26 are opened on the other end surface of the connecting member 21. The first connecting port 25 and the second connecting port 26 are both connected to the internal cavity 24 of the connecting member 21. A fixed plate 23 is fixedly set on the side of the connecting member 21, and a telescopic cylinder 22 is fixedly set on the fixed plate 23. The telescopic rod of the telescopic cylinder 22 can be operably moved in the cavity 24. The end of the telescopic rod of the telescopic cylinder 22 is connected to a piston 27, and the piston 27 is provided in a sliding and sealing manner with the cavity 24.

[0054] The outlet of the primary device 11 is connected to the first connection port 25 , and the second connection port 26 is connected to the inlet of the corresponding secondary device 12 .

[0055] The materials in the primary device 11 are distributed to multiple secondary devices 12 through the distributor 20. When one of the secondary devices 12 fails, the failed secondary device 12 can be shielded by adjusting the position of the piston 27 without affecting the normal operation of other secondary devices 12, so that the devolatilization device can continuously devolatilize.

[0056] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0057] Preferably, two fixed plates 23 are symmetrically arranged on both sides of the connecting member 21, and a telescopic cylinder 22 is fixedly arranged on each fixed plate 23. In this embodiment, a cylinder is used, and the cylinder drives the corresponding piston 27 to move in the cavity 24, and there are multiple second connecting ports 26. The first connecting port 25 is correspondingly arranged in the middle position of the second connecting port 26. By adjusting the corresponding telescopic cylinder 22, the flow rate of the corresponding secondary device 12 is adjusted to avoid stopping the entire devolatilization system due to the failure of one of the secondary devices 12, so that the secondary device 12 can continuously devolatilize.

[0058] Embodiment 2 Further, as Figure 5-Figure 10As shown, a three-stage device 30 is arranged between the first-stage device 11 and the distributor 20, and the three-stage device 30 includes an upper connecting cylinder 31, a rotating cylinder 32 and a lower connecting cylinder 33 which are connected in sequence, and a viscosity sensor 301 is arranged on the upper connecting cylinder 31 or the lower connecting cylinder 33, and the upper connecting cylinder 31 is connected to the outlet of the first-stage device 11, and the lower connecting cylinder 33 is connected to the inlet of the second-stage device 12. Specifically, the upper connecting cylinder 31 and the lower connecting cylinder 33 can be integrally formed, or an outer sleeve can be fixedly connected between the upper connecting cylinder 31 and the lower connecting cylinder 33 for protection, and the rotating cylinder 32 is connected to the upper connecting cylinder 31 and the lower connecting cylinder 33 through a bearing for rotational sealing, and the rotating sealing structure between the rotating cylinder 32 and the upper connecting cylinder 31 and the lower connecting cylinder 33 adopts an existing sealing structure. Structure, such as sealing ring seal, lip seal, labyrinth seal and the like; a spiral blade 321 is arranged on the inner wall of the drum 32, and the spiral blade 321 on the inner wall of the drum 32 can be rotated to be set as one circle, or can be set to be rotated in multiple circles in multiple channels. The drum 32 is driven to rotate by a first motor, and the first motor is installed on the ground. A window 324 is arranged on the connection structure between the upper connecting cylinder 31 and the lower connecting cylinder 33 corresponding to the output end of the first motor. The first motor drives the drum 32 to rotate through a gear or a chain-gear and passes through the window 324. Since the method in which the motor drives the drum to rotate through a chain-gear belongs to the prior art, it is not shown in the accompanying drawings. When the drum 32 rotates in the first direction, resistance is provided to the material; when the drum 32 rotates in the second direction, power is provided to the material.

[0059] When the viscosity sensor 301 detects that the viscosity of the material does not reach a specified normal value, the first motor is driven to rotate in a first direction to slow down the flow rate of the material in the drum 32 .

[0060] Furthermore, a stirring barrel 34 is provided between the upper connecting cylinder 31 and the rotating cylinder 32, and a devolatilization exhaust hole 311 is provided at the upper end of the stirring barrel 34. A plurality of first stirring rods 322 are provided at the port of the rotating cylinder 32. The first stirring rods 322 are arranged in the stirring barrel 34. When the viscosity of the material does not meet the standard, deep devolatilization is required. When the rotating cylinder 32 rotates, the first stirring rods 322 are driven to rotate in the stirring barrel 34, so that the material is fully stirred in the stirring barrel 34, and the generated volatile matter is discharged through the devolatilization exhaust hole 311. The devolatilization exhaust hole 311 belongs to the prior art, and how to discharge the volatile matter in the material is not repeated here. After the volatile matter in the material is reduced, the viscosity of the material is increased through stirring to form a polymer, thereby meeting the viscosity requirement for entering the secondary device 12.

[0061] Further, such as Figure 5-Figure 10As shown, a second motor 341 is installed on the side of the mixing barrel 34 opposite to the rotating drum 32, and the second motor 341 and the rotating drum 32 are coaxially arranged. A turntable 342 is rotatably arranged in the mixing barrel 34, and the second motor 341 is connected to the turntable 342 through a reducer. A plurality of second stirring rods 343 are arranged on the end surface of the turntable 342. The second motor 341 drives the turntable 342 to rotate, so that the second stirring rods 343 stir the material. The first stirring rod 322 and the second stirring rod 343 have different radial positions in the mixing barrel 34, so that the material in the mixing barrel 34 can be fully stirred. The first motor and the second motor are servo motors equipped with reducers.

[0062] Furthermore, a temperature sensor 302 is provided on the upper connecting tube 31 or the lower connecting tube 33, and a heating cover 344 is fixedly provided on the side of the stirring barrel 34, a cavity 345 is formed between the heating cover 344 and the side of the stirring barrel 34, a heater is provided in the cavity 345, and the heater can be a resistance heater or a heat exchanger, an insulation layer 346 is provided on the outside of the heating cover 344, and a shell can be provided on the outside of the insulation layer 346 to install the second motor, and the second motor 341 is installed on the insulation layer 346 to reduce the heat generated by the heater from being transmitted to the second motor 341; when the temperature sensor 302 detects that the temperature of the material in the tertiary device 30 does not reach the preset value, the heater is started, and the heat generated by the heater is transmitted to the material through the stirring barrel 34, the turntable and the second stirring rod 343, combined with the sufficient stirring of the first stirring rod 322 and the second stirring rod 343, so that the material in the stirring barrel 34 evenly reaches the set temperature, the devolatilization effect of the material is improved, and the polymer is formed and then transmitted to the secondary device 12.

[0063] More preferably, Figure 6-Figure 10 As shown, the turntable 342 includes a shell 35, a first bevel gear 36, a second bevel gear 37 and a lead screw 348, the first bevel gear 36 is located inside the shell 35 and is installed on the output shaft of the second motor, the number of groups of the second bevel gear 37 and the lead screw 348 is the same as the number of the first stirring rods, the second bevel gear 37 is located inside the shell 35 and is fixedly arranged on the inner wall of the shell 35 through an ear plate 38, and the second bevel gear 37 is rotatably connected to the ear plate 38; the lead screw 348 passes through the second bevel gear 37 and the ear plate 38, the lead screw 348 is threadedly matched with the second bevel gear 37, two limit plates 41 for limiting its extreme position are fixedly arranged at both ends of the lead screw 348, the outer end of the lead screw 348 is rotatably connected to a slide rod 40, the slide rod 40 passes through the shell 35 and is fixedly connected to the second stirring rod 343, the slide rod 40 is sealed with the shell 35, and the cross section of the slide rod 40 is non-circular to prevent the slide rod 40 from rotating;

[0064] A plurality of resistance blades 39 are fixedly disposed on the outer side wall of the turntable, and the resistance blades 39 and the lead screw 348 are staggered.

[0065] The first stirring rod 322 is provided with a convex strip 323 on its side, and the second stirring rod 343 is correspondingly provided with a groove 347 on its side. When the turntable drives the second stirring rod 343 to move outward, the first stirring rod 322 and the second stirring rod 343 can be operably matched through the convex strip 323 and the groove 347 .

[0066] Since the turntable is set in a viscous liquid environment, the resistance blade 39 provides rotation resistance to the turntable, so that the second motor 341 drives the second bevel gear 37 to rotate through the first bevel gear 36. Since the lead screw 348 is threadedly matched with the second bevel gear 37, the second bevel gear 37 is fixed to the inner wall of the housing 35 through the ear plate 38. The second bevel gear 37 can only rotate, so that the lead screw 348 can move along the radial direction of the turntable. When the lead screw 348 is extended or retracted to the extreme position, the limit plate 41 will contact the second bevel gear 37 or the ear plate 38, thereby pressing the lead screw 348. 8 is limited in radial movement. Since the lead screw 348 and the slide bar 40 are rotatably connected, during the radial movement of the lead screw 348, the slide bar 40 is pushed to extend or retract into the shell 35. The slide bar 40 can be polygonal, elliptical, etc., which is used to prevent the slide bar 40 from rotating on the shell 35. When the lead screw 348 moves to the extreme position and the limit plate 41 is limited, the second motor 341 continues to rotate, and finally the second motor drives the turntable to rotate as a whole. During the rotation of the turntable, the resistance blade 39 will also stir the material inside the stirring barrel 34.

[0067] When the temperature and viscosity of the material in the mixing barrel 34 do not meet the preset values, the second motor 341 is driven to rotate in the first direction, and the screw 348 is retracted to the innermost side of the turntable, so that the second stirring rod 343 is at the position closest to the turntable, and the radial position of the second stirring rod 343 and the first stirring rod 322 are on different circumferences, and the first stirring rod and the second stirring rod are driven by the first motor and the second motor to stir the material; when the temperature and viscosity of the material in the mixing barrel 34 meet the preset values, the second motor 341 is driven to rotate in the second direction, and the screw 348 is extended to the outermost side of the turntable, so that the second stirring rod 343 is at the position closest to the turntable, and the radial position of the second stirring rod 343 and the first stirring rod 322 are on different circumferences, and the first stirring rod and the second stirring rod are driven by the first motor and the second motor to stir the material; The stirring rod 343 is at the position farthest from the turntable. As the second motor 341 rotates, the first stirring rod 322 and the second stirring rod 343 are clamped on the same circumference. The second motor drives the rotating drum 32 to rotate through the first stirring rod 322 and the second stirring rod 343. When necessary, the first motor can also participate in the driving rotation and rotate in the second direction, so that the rotating drum 32 provides conveying power for the material and accelerates the conveying of the material to the secondary device 12. The first stirring rod 322 and the second stirring rod 343 are located on the outer circle of the rotating drum 32 and rotate to avoid affecting the flow of materials in the middle position of the rotating drum 32.

[0068] An operation monitoring method, applied to the above-mentioned devolatilization device, comprises the following steps:

[0069] Step 1: adding the material into the primary device 11 for primary devolatilization;

[0070] Step 2: the material discharged from the primary device 11 is distributed to multiple secondary devices 12 through a distributor 20 for secondary devolatilization;

[0071] Step 3: Adjust the position of the piston 27 to adjust the flow rate entering the secondary device 12;

[0072] Step 4: Detect the temperature and viscosity of the material through the temperature sensor 302 and the viscosity sensor 301 on the three-stage device 30;

[0073] When the material temperature is lower than the preset temperature, and / or the material viscosity is lower than the preset viscosity;

[0074] The first motor is started to drive the drum 32 to rotate in a first direction, and the drum 32 provides resistance to the material;

[0075] The second motor 341 is started to drive the rotating disk 342 to rotate, and the first stirring rod 322 and the second stirring rod 343 stir the material in the stirring barrel 34, and the generated gas is discharged through the devolatilization exhaust hole 311;

[0076] The heater is started to heat the material, and the heat generated by the heater is transferred to the material through the stirring barrel 34, the rotating disk and the second stirring rod 343;

[0077] Step 5: When it is detected that the material temperature and viscosity meet the preset requirements, the adjusting unit of the turntable is adjusted, and the screw 348 drives the second stirring rod 343 to move outward, so that the first stirring rod 322 and the second stirring rod 343 are clamped on the same circumference, and the first motor and the second motor 341 drive the rotating drum 32 to rotate in the second direction, and the rotating drum 32 provides conveying power for the material.

[0078] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0079] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A continuous devolatilization device for high molecular polymers, characterized in that: include: A primary device, a secondary device and a distributor, wherein the distributor is connected between the primary device and the secondary device; The distributor comprises a connecting piece, a telescopic cylinder and a fixing plate, the interior of the connecting piece is set as a cavity, a first connecting port is provided on one end surface of the connecting piece, and a plurality of second connecting ports are provided on the other end surface of the connecting piece, the first connecting port and the second connecting port are both communicated with the internal cavity of the connecting piece, a fixing plate is fixedly provided on the side of the connecting piece, a telescopic cylinder is fixedly provided on the fixing plate, the telescopic rod of the telescopic cylinder is operable to move in the cavity, a piston is connected to the end of the telescopic rod of the telescopic cylinder, and the piston is provided in a sliding seal cooperation with the cavity; The outlet of the primary device is connected to the first connection port, and the second connection port is connected to the inlet of the corresponding secondary device; A three-stage device is arranged between the first-stage device and the distributor, and the three-stage device comprises an upper connecting cylinder, a rotating cylinder and a lower connecting cylinder connected in sequence, a viscosity sensor is arranged on the upper connecting cylinder or the lower connecting cylinder, the upper connecting cylinder is connected to the outlet of the first-stage device, the lower connecting cylinder is connected to the inlet of the second-stage device, and the rotating cylinder is rotatably sealed with the upper connecting cylinder and the lower connecting cylinder; A stirring barrel is arranged between the upper connecting barrel and the rotating barrel, a devolatilization exhaust hole is arranged at the upper end of the stirring barrel, a plurality of first stirring rods are arranged at the port of the rotating barrel, and the first stirring rods are arranged in the stirring barrel; A second motor is installed on the side of the mixing barrel opposite to the rotating drum, a rotating disk is rotatably arranged in the mixing barrel, an output shaft of the second motor is connected to the rotating disk, and a plurality of second stirring rods are arranged on the end surface of the rotating disk; The turntable includes a shell, a first bevel gear, a second bevel gear and a lead screw. The first bevel gear is located inside the shell and is installed on the output shaft of the second motor. The number of groups of the second bevel gear and the lead screw is the same as the number of the first stirring rods. The second bevel gear is located inside the shell and is fixed on the inner wall of the shell through an ear plate, and the second bevel gear is rotatably connected to the ear plate; the lead screw passes through the second bevel gear and the ear plate, and the lead screw is threadedly engaged with the second bevel gear. Two limit plates for limiting the extreme positions of the lead screw are fixedly arranged at both ends of the lead screw, and a sliding rod is rotatably connected to the outer end of the lead screw, and the sliding rod passes through the shell and is fixedly connected to the second stirring rod. The sliding rod is sealed with the shell, and the cross-section of the sliding rod is non-circular.

2. The continuous devolatilization device for high molecular polymers according to claim 1, characterized in that: The fixing plates are two and are symmetrically arranged on both sides of the connecting piece.

3. The continuous devolatilization device for high molecular polymers according to claim 1, characterized in that: The first connection port is correspondingly arranged at a middle position of the second connection port arrangement.

4. The continuous devolatilization device for high molecular polymers according to claim 1, characterized in that: The inner wall of the drum is provided with spiral blades, and the drum is driven to rotate by a first motor.

5. The continuous devolatilization device for high molecular polymers according to claim 1, characterized in that: A temperature sensor is arranged on the upper connecting tube or the lower connecting tube, a heating cover is fixedly arranged on the side of the mixing barrel, a cavity is formed between the heating cover and the side of the mixing barrel, a heater is arranged in the cavity, an insulation layer is arranged outside the heating cover, and the second motor is installed on the insulation layer.

6. The continuous devolatilization device for high molecular polymers according to claim 1, characterized in that: A plurality of resistance blades are fixedly arranged on the outer side wall of the turntable, and the resistance blades are staggered with the lead screw.

7. The continuous devolatilization device for high molecular polymers according to claim 1, characterized in that: The side of the first stirring rod is provided with a convex strip, and the side of the second stirring rod is correspondingly provided with a groove. When the turntable drives the second stirring rod to move outward, the first stirring rod and the second stirring rod can be operably matched through the convex strip and the groove.

8. An operation monitoring method, applied to the devolatilization device according to any one of claims 1 to 7, characterized in that: The steps include: Step 1: Add the material into the first-stage device for first-stage devolatilization; Step 2: The material discharged from the primary device is divided into multiple secondary devices through a distributor for secondary devolatilization; Step 3: Adjust the position of the piston to adjust the flow rate entering the secondary device; Step 4: Detect the temperature and viscosity of the material through the temperature sensor and viscosity sensor on the third-level device; When the material temperature is lower than the preset temperature, and / or the material viscosity is lower than the preset viscosity; The first motor is started to drive the drum to rotate in a first direction, and the drum provides resistance to the material; The second motor is started to drive the turntable to rotate, and the first stirring rod and the second stirring rod stir the material in the stirring barrel, and the generated gas is discharged through the devolatilization exhaust hole; The heater is started to heat, and the heat generated by the heater is transferred to the material through the stirring barrel, the turntable and the second stirring rod; Step 5: When it is detected that the material temperature and viscosity meet the preset requirements, the adjustment unit of the turntable is adjusted, and the screw drives the second stirring rod to move outward, so that the first stirring rod and the second stirring rod are clamped on the same circumference, and the first motor and the second motor drive the rotating drum to rotate in the second direction, and the rotating drum provides conveying power for the material.

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