CN118416833B - AMS monomer resin production process and reaction equipment - Google Patents

Abstract

The present application relates to the technical field of petroleum resin, and in particular to an AMS monomer resin production process and reaction equipment thereof, which includes a reactor, the reactor includes a reactor body, a jacket is fixedly arranged on the outer surface of the reactor body, a sandwich space is formed between the jacket and the reactor body, and a motor is fixedly arranged on the top of the reactor body. The invention provides a flow guide, a push block, a ring body and a drive disk. When the reactor body is used, the pump shaft can rotate to drive the drive disk to move up and down, and then the ring body can drive each push block to move back and forth in the flow guide to push the ingredients in the flow guide to accelerate the flow of the ingredients. At the same time, the up and down movement of the drive disk and the ring body also assists in starting the flow of the ingredients, increases the eddy current disturbance of the ingredients in the reactor body, and increases the mixing effect and reaction effect of the ingredients.

Description

AMS monomer resin production process and reaction equipment thereof

Technical Field

The application relates to the technical field of petroleum resin, in particular to an AMS monomer resin production process and reaction equipment thereof.

Background

The AMS monomer resin is a low molecular weight polymer obtained by polymerizing alpha-methyl styrene monomer, and is a hydrocarbon petroleum resin. The AMS monomer resin is an oligomer of methyl styrene, is an excellent auxiliary agent for processing and applying high polymer materials, can be applied to plastics, thermoplastic elastomers, rubber processing, adhesives and paint production, can improve the mechanical property, processing property, weather resistance and the like of materials, can obviously improve the rolling resistance and wet skid resistance of tires when being added into rubber, and is a preferred material for breaking the restriction of 'magic triangle of tires' for a plurality of tire brands.

By searching, chinese patent publication No. CN114230705A discloses a preparation method of flexible poly alpha-methyl styrene resin, comprising the following steps: alpha-methyl styrene or the mixture of the alpha-methyl styrene and the styrene derivative is mixed with C7-C9 chain aliphatic monoolefin as a raw material, and a polarity regulator is added, and the flexible poly alpha-methyl styrene resin with proper softening point and molecular weight, extremely light color and lower glass transition temperature is obtained through cationic catalytic polymerization. The invention introduces proper aliphatic chain groups into the aromatic resin structure with high rigidity through cationic polymerization, and improves the flexibility of the aromatic resin structure, thereby obtaining the modified resin with balanced rigidity and toughness, and the modified resin can be applied to modification of metallocene polyolefin, polypropylene, APAO and the like.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the catalysts commonly used in the existing cationic polymerization process are acid catalysts such as aluminum trichloride and boron trifluoride Lewis acid, wherein boron trifluoride is a toxic gas, transportation and storage have certain safety problems, and fluorine-containing wastewater is difficult to treat, so that the production cost of enterprises is increased. The aluminum trichloride solid particles have the defects of poor solubility in organic solvents, high consumption and poor catalysis degree, so that the polymerization degree of the product is low, the chromaticity is poor and the quality of the product is not in accordance with the requirements; among the existing alpha-methylstyrene reaction equipment, the reaction kettle is the most critical equipment, and when the existing reaction kettle is used, the stirring reaction is carried out on the chemical liquid in the reaction kettle through a stirring device, and the existing stirring device is generally a rotating shaft and a stirring column body arranged along the radial direction, so that the stirring effect is poor, and the production efficiency is affected.

Disclosure of Invention

The application provides an AMS monomer resin production process and reaction equipment thereof, which aim to solve the problems of safety and poor catalytic effect of catalysts used in the cationic polymerization process in the prior art.

The application provides an AMS monomer resin production process and reaction equipment, which adopts the following technical scheme: the utility model provides an AMS monomer resin production reaction equipment, including the reation kettle body, the surface mounting of reation kettle body is provided with the clamp cover, form the intermediate layer space between clamp cover and the reation kettle body, the fixed motor that is provided with in top of reation kettle body, the output shaft downwardly extending of motor reaches the inside of reation kettle body and is provided with agitating unit, the fixed inlet pipe and the gas phase discharging pipe that are provided with of up end of reation kettle body, inlet pipe and gas phase discharging pipe all communicate with the inside of reation kettle body, the fixed material discharging pipe that is provided with of lower terminal surface of reation kettle body, the material discharging pipe communicates with the inside of reation kettle body, the surface mounting of clamp cover is provided with steam inlet pipe and comdenstion water return pipe, steam inlet pipe and comdenstion water return pipe all form the intermediate layer space intercommunication with clamp cover and reation kettle body between.

Optionally, the stirring device comprises a pump body arranged in the reaction kettle body along the vertical direction, and the top end of a pump shaft of the pump body is fixedly arranged with an output shaft of the motor.

Optionally, the bottom of the outer surface of the pump body is uniformly and fixedly provided with a plurality of guide bodies with downward inclined outer ends along the circumferential direction, the upper end surfaces of the guide bodies are provided with guide grooves along the length direction of the guide bodies, and the lower end surfaces of the outer ends of the guide bodies are provided with through holes communicated with the guide grooves.

Optionally, the surface of the pump body is provided with the ring body along the upper and lower direction slip, and the surface of ring body articulates there is a plurality of connecting rods that correspond with the water conservancy diversion body, and the bottom of every connecting rod all articulates there is the ejector pad, and every ejector pad all is located the guiding gutter that corresponds, and the ejector pad slides along the length direction of guiding gutter and set up in the guiding gutter.

Optionally, a driving device is further arranged in the reaction kettle body, an output end of the driving device is connected with the ring body, and the driving device is used for driving the ring body to move up and down; the driving device comprises a driving disc arranged at the inner bottom of the reaction kettle body, a reciprocating screw is coaxially arranged in the driving disc along the up-down direction, the driving disc is in threaded connection with the reciprocating screw, the top end of the reciprocating screw is fixedly arranged at the bottom end of a pump shaft of the reaction kettle body, a plurality of guide rods are arranged between the driving disc and the ring body in a staggered manner with the connecting rods, the top ends of the guide rods are fixedly arranged with the ring body, and the bottom ends of the guide rods are fixedly arranged with the driving disc.

Optionally, a plurality of pump cavities have been seted up along upper and lower direction coaxial in the inside of the pump body, every pump cavity is provided with centrifugal impeller, the pump shaft of the pump body passes every pump cavity and rotates with the pump body to be connected, every centrifugal impeller all sets up with the pump shaft is fixed, centrifugal impeller is totally enclosed impeller, centrifugal impeller's suction zone is located centrifugal impeller's center of terminal surface down, centrifugal impeller's discharge area is located centrifugal impeller's peripheral circumference area, a plurality of suction channels with the pump cavity intercommunication of downside are seted up to the lower terminal surface of the pump body, a plurality of discharge channels with the pump cavity intercommunication of topside are seted up to the up end of the pump body, be provided with a plurality of intercommunicating pore between the pump cavity, the top of intercommunicating pore and the pump cavity intercommunication of centrifugal impeller's that corresponds of top, the bottom and the pump cavity intercommunication of below of intercommunicating pore.

Optionally, the bottom of pump shaft downwardly extending to the bottom of reation kettle body and with reation kettle body rotation connection, the bottom of pump shaft surface is fixed to be provided with the stirring body, the lower terminal surface of stirring body and the laminating of the interior bottom wall of reation kettle body.

Optionally, the one end that the reation kettle body was kept away from to the material discharging pipe is fixed to be provided with the washing jar, and the last fixed discharge pipe that is provided with of washing jar is kept away from to the discharge pipe, and the one end that the washing jar was kept away from to the discharge pipe is fixed to be provided with the holding vessel, fixedly on the holding vessel is provided with communicating pipe, and the one end that the holding vessel was kept away from to communicating pipe communicates with the input tube of batching pump, and the three-way valve is installed to the junction of communicating pipe and input tube.

An AMS monomer resin production process including any one of the AMS monomer resin production reaction apparatuses, characterized by:

Firstly, dissolving alpha-methyl styrene solution in an inert solvent in a batching tank;

Secondly, conveying the solution prepared in the first step into a reaction kettle body, adding a cationic catalyst and a molecular weight regulator, controlling the reaction temperature of polymerization to be 0-20 ℃ and controlling the reaction time to be 3-4 hours to obtain a polymerization solution;

and thirdly, preparing the AMS monomer resin from the polymerization solution through water washing, distillation and steam stripping.

In summary, the application has the following beneficial technical effects:

According to the invention, the guide body, the push blocks, the ring body and the driving disc are arranged, when the reaction kettle body is used, the driving disc can be driven to move up and down through the rotation of the pump shaft, and then each push block is driven to move back and forth in the guide body through the ring body, so that ingredients in the guide body are pushed, the flow of the ingredients is accelerated, and meanwhile, the purpose of auxiliary pushing is started by the up and down movement of the driving disc and the ring body to the flow of the ingredients, so that the vortex disturbance of the ingredients in the reaction kettle body is increased, and the mixing effect and the reaction effect of the ingredients are improved.

Drawings

FIG. 1 is a schematic view of three-dimensional structures of a reaction kettle body, a washing tank, a batching tank and a storage tank in an embodiment of the application;

FIG. 2 is a schematic top view of the reactor body according to an embodiment of the present application;

FIG. 3 is a schematic three-dimensional structural view of a reaction kettle body according to an embodiment of the present application;

FIG. 4 is a schematic view of the three-dimensional structure of the inside of the reactor body according to the embodiment of the application;

FIG. 5 is a schematic view of the structure of the inside of the reactor body according to the embodiment of the application;

FIG. 6 is a schematic view of a three-dimensional structure of a pump body according to an embodiment of the present application;

FIG. 7 is a schematic view of three-dimensional structures of a ring and a baffle in an embodiment of the present application;

FIG. 8 is a schematic illustration of an embodiment of the application a schematic diagram of the three-dimensional structure inside the pump body;

fig. 9 is a schematic view of the internal structure of the pump body in the embodiment of the application.

Reference numerals: 1. a reaction kettle body; 2. a jacket; 3. a motor; 4. a feed pipe; 5. a gas phase discharging pipe; 6. a steam inlet pipe; 7. a condensed water return pipe; 8. a material discharging pipe; 9. a batching tank; 10. a dispensing pump; 11. a pump body; 12. a pump shaft; 13. a flow guide body; 14. a diversion trench; 15. a through hole; 16. a ring body; 17. a connecting rod; 18. a pushing block; 19. a drive plate; 20. a reciprocating screw; 21. a guide rod; 22. a pump chamber; 23. a centrifugal impeller; 24. a suction passage; 25. a discharge passage; 26. a communication hole; 27. a stirring body; 28. a water washing tank; 29. a discharge pipe; 30. a storage tank; 31. a communicating pipe; 32. an input tube; 33. a three-way valve; 34. a conveying pipe.

Detailed Description

The application is described in further detail below with reference to fig. 1-9.

The AMS monomer resin production reaction equipment comprises a reaction kettle body 1, wherein a jacket 2 is fixedly arranged on the outer surface of the reaction kettle body 1, an interlayer space is formed between the jacket 2 and the reaction kettle body 1, a motor 3 is fixedly arranged at the top end of the reaction kettle body 1, an output shaft of the motor 3 extends downwards to the inside of the reaction kettle body 1 and is provided with a stirring device, a feeding pipe 4 and a gas phase discharging pipe 5 are fixedly arranged on the upper end surface of the reaction kettle body 1, the feeding pipe 4 and the gas phase discharging pipe 5 are both communicated with the inside of the reaction kettle body 1, a material discharging pipe 8 is fixedly arranged on the lower end surface of the reaction kettle body 1, the material discharging pipe 8 is communicated with the inside of the reaction kettle body 1, a steam inlet pipe 6 and a condensate return pipe 7 are fixedly arranged on the outer surface of the jacket 2, and the steam inlet pipe 6 and the condensate return pipe 7 are both communicated with the interlayer space formed between the jacket 2 and the reaction kettle body 1.

When in use, a mixture of alpha-methylstyrene and 2, 3-trimethyl-1-butene according to the mass ratio of 1:0.25 is prepared in a batching tank 9, an inert solvent methyl cyclopentane is added, then the mixture is discharged into a reaction kettle body 1 through a feed pipe 4 by using a batching pump 10, then an aluminum trichloride organic complex catalyst and a molecular weight regulator dodecyl mercaptan are added into the reaction kettle body, then a motor 3 drives a stirring device to carry out mixed reaction, the reaction temperature is controlled at 0-20 ℃, the reaction time is 3-4 h, and the AMS monomer resin is prepared through the technological processes of water washing, distillation, steam stripping and the like; the reaction temperature is controlled by entering a cooling medium through a steam inlet pipe 6, the cooling medium enters a sandwich space formed between a jacket 2 and a reaction kettle body 1 to cool the reaction kettle body 1, the flow of the cooling medium is regulated through thermometer reading, and then the cooling medium is discharged from a condensed water return pipe 7, the reaction kettle body 1 is universal, and when other reactions need to be heated, the cooling medium can enter steam through the steam inlet pipe 6 to be heated.

In order to increase the circulation flow of the ingredients in the reaction kettle body 1 so as to enable the ingredients to better mix and react, in the embodiment, the stirring device comprises a pump body 11 arranged in the reaction kettle body 1 along the vertical direction, and the top end of a pump shaft 12 of the pump body 11 is fixedly arranged with the output shaft of the motor 3; when the novel reaction kettle is used, the motor 3 drives the pump shaft 12 to rotate, so that ingredients in the reaction kettle body 1 are sucked from the bottom end of the pump body 11, then discharged from the top end of the pump body 11, flow to the outer edge of the inner space of the reaction kettle body 1 from the ingredients discharged from the top end of the pump body 11 and then flow downwards under the action of gravity, and are sucked from the bottom end of the pump body 11 again, so that circulation is formed, and circulation flow of the ingredients in the reaction kettle body 1 is increased, so that better mixing reaction of the ingredients is realized.

In order to further increase the disturbance vortex of the ingredients in the reaction kettle body 1 and achieve a better mixing effect, in the embodiment, a plurality of diversion bodies 13 with downward inclined outer ends are uniformly and fixedly arranged at the bottom of the outer surface of the pump body 11 along the circumferential direction, diversion grooves 14 are formed in the upper end surface of the diversion bodies 13 along the length direction of the diversion bodies 13, and through holes 15 communicated with the diversion grooves 14 are formed in the lower end surface of the outer end of the diversion bodies 13; when the reactor is used, the ingredients discharged from the top end of the pump body 11 flow downwards, a part of the ingredients flow downwards along the outer edge of the space inside the reactor body 1, a part of the ingredients flow downwards along the periphery of the outer surface of the pump body 11, the ingredients flowing downwards along the periphery of the outer surface of the pump body 11 enter the diversion trench 14 of the diversion body 13, flow towards the outer edge of the space inside the reactor body 1 and flow downwards from the through holes 15 of the diversion body 13, so that vortex disturbance is generated on the ingredients at the diversion body 13, and the mixing effect and the reaction effect of the ingredients are increased.

In order to achieve the cleaning effect on the diversion trench 14 of the diversion trench 13, prevent the precipitation of ingredients, increase the flow of ingredients in the diversion trench 14 at the same time, in this embodiment, the outer surface of the pump body 11 is provided with a ring 16 in a sliding manner along the up-down direction, the outer surface of the ring 16 is hinged with a plurality of connecting rods 17 corresponding to the diversion trench 13, the bottom end of each connecting rod 17 is hinged with a push block 18, each push block 18 is located in a corresponding diversion trench 14, and the push blocks 18 are arranged in the diversion trench 14 in a sliding manner along the length direction of the diversion trench 14; still be provided with drive arrangement in the reation kettle body 1, drive arrangement's output is connected with ring body 16, drive arrangement is used for driving ring body 16 reciprocates, and then makes ring body 16 pass through connecting rod 17 drive every ejector pad 18 and reciprocates the slip in the guiding gutter 14 of corresponding guiding body 13, promotes the batching flow in the guiding gutter 14 in the guiding body 13, further increased the vortex disturbance of batching in the reation kettle body 1, increase the reaction effect, ejector pad 18 reciprocates the effect that slides in guiding gutter 14 to the guiding body 13 simultaneously.

In the embodiment, the driving device comprises a driving disc 19 arranged at the inner bottom of the reaction kettle body 1, a reciprocating screw 20 is coaxially arranged in the driving disc 19 along the up-down direction, the driving disc 19 is in threaded connection with the reciprocating screw 20, the top end of the reciprocating screw 20 is fixedly arranged with the bottom end of a pump shaft 12 of the body, a plurality of guide rods 21 are arranged between the driving disc 19 and a ring 16 in a staggered manner with a connecting rod 17, the top ends of the guide rods 21 are fixedly arranged with the ring 16, and the bottom ends of the guide rods 21 are fixedly arranged with the driving disc 19; when the pump is used, the pump shaft 12 of the pump body 11 drives the reciprocating screw rod 20 to rotate, the reciprocating screw rod 20 rotates to drive the driving disc 19 to reciprocate up and down, the driving disc 19 moves up and down to drive the ring body 16 to reciprocate up and down through the guide rod 21, and then each push block 18 is driven to reciprocate in the corresponding guide groove 14 of the guide body 13 through the connecting rod 17 to push ingredients in the guide groove 14 in the guide body 13 to flow; at the same time, the movement of the drive disk 19, the ring 16, the guide rod 21 and the connecting rod 17 also has an auxiliary effect on the mixing flow of the ingredients.

In order to realize the purpose that the pump body 11 sucks ingredients to discharge from the top through the bottom, a plurality of pump cavities 22 are coaxially arranged in the pump body 11 along the up-down direction, a centrifugal impeller 23 is arranged in each pump cavity 22, a pump shaft 12 of the pump body 11 penetrates through each pump cavity 22 to be rotationally connected with the pump body 11, each centrifugal impeller 23 is fixedly arranged with the pump shaft 12, the centrifugal impeller 23 is a fully-closed impeller, a suction area of the centrifugal impeller 23 is positioned in the center of the lower end face of the centrifugal impeller 23, a discharge area of the centrifugal impeller 23 is positioned in the peripheral circumferential area of the centrifugal impeller 23, a plurality of suction channels 24 communicated with the pump cavity 22 at the lowest side are arranged on the lower end face of the pump body 11, a plurality of discharge channels 25 communicated with the pump cavity 22 at the highest side are arranged on the upper end face of the pump body 11, a plurality of communication holes 26 are arranged between the pump cavities 22, the top ends of the communication holes 26 are communicated with the suction areas of the centrifugal impeller 23 corresponding to the pump cavities 22 at the upper side, and the bottom ends of the communication holes 26 are communicated with the pump cavities 22 at the lower side; when the centrifugal pump is used, the pump shaft 12 rotates to drive each centrifugal impeller 23 to rotate, ingredients enter the suction area of the corresponding centrifugal impeller 23 from the suction channel 24 at the bottom end of the pump body 11 and are accelerated to be thrown out into the pump cavity 22 by the rotating centrifugal impeller 23, are discharged into the pump cavity 22 adjacent above through the communication hole 26 and enter the suction area of the centrifugal impeller 23, and are pressurized at one stage of the ingredients and discharged from the discharge channel 25 at the top end of the pump body 11, so that the ingredients at the bottom in the reaction kettle body 1 enter the upper part and flow downwards under the action of gravity, and the internal circulation of the ingredients in the reaction kettle body 1 is formed.

In order to prevent ingredients at the bottom inside the reaction kettle body 1 from precipitating, in this embodiment, the bottom end of the pump shaft 12 extends downwards to the bottom of the reaction kettle body 1 and is rotationally connected with the reaction kettle body 1, the bottom of the outer surface of the pump shaft 12 is fixedly provided with a stirring body 27, the lower end face of the stirring body 27 is attached to the inner bottom wall of the reaction kettle body 1, and when rotating, the stirring body 27 stirs and drives the ingredients at the bottom inside the reaction kettle body 1 to participate in the total circulation of the ingredients inside the reaction kettle body 1.

In this embodiment, a water-washing tank 28 is fixedly arranged at one end of the material discharging pipe 8 far away from the reaction kettle body 1, a discharge pipe 29 is fixedly arranged on the water-washing tank 28, a storage tank 30 is fixedly arranged at one end of the discharge pipe 29 far away from the water-washing tank 28, a communicating pipe 31 is fixedly arranged on the storage tank 30, one end of the communicating pipe 31 far away from the storage tank 30 is communicated with an input pipe 32 of the dosing pump 10, and a three-way valve 33 is arranged at the joint of the communicating pipe 31 and the input pipe 32; a conveying pipe 34 is fixedly arranged on the water washing tank 28, and the conveying pipe 34 is communicated with a distillation tower of the next process equipment.

The polymerization liquid obtained in the reaction kettle body 1 enters a water washing tank 28 through a material discharging pipe 8 to be washed, aluminum oxide waste water is discharged, when the aluminum oxide waste water is treated after production is finished, the aluminum oxide waste water enters a storage tank 30 through a discharging pipe 29, then a three-way valve 33 is operated, a proportioning pump 10 discharges the aluminum oxide waste water in the storage tank 30 into the reaction kettle body 1 through a communicating pipe 31, a steam inlet pipe 6 is introduced with steam to perform a heating reaction, after the process requirement of 150 ℃, the temperature is kept for 3 hours, aluminum polymer finished product slurry is obtained, and then high-Purity Aluminum Chloride (PAC) concentrated solution is obtained through decolorization and solid-liquid separation, wherein the high-purity PAC concentrated solution can be diluted and compounded to obtain outspin high-purity PAC liquid with 10% of aluminum oxide content, and can also be sent to a spray drying device to prepare solid PAC.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (3)

1. An AMS monomer resin production reaction unit, characterized by: comprises a reaction kettle body (1), a jacket (2) is fixedly arranged on the outer surface of the reaction kettle body (1), an interlayer space is formed between the jacket (2) and the reaction kettle body (1), a motor (3) is fixedly arranged at the top end of the reaction kettle body (1), an output shaft of the motor (3) downwards extends into the reaction kettle body (1) and is provided with a stirring device, a feeding pipe (4) and a gas phase discharging pipe (5) are fixedly arranged on the upper end surface of the reaction kettle body (1), the feeding pipe (4) and the gas phase discharging pipe (5) are communicated with the inside of the reaction kettle body (1), the lower end face of the reaction kettle body (1) is fixedly provided with a material discharging pipe (8), the material discharging pipe (8) is communicated with the inside of the reaction kettle body (1), the outer surface of the jacket (2) is fixedly provided with a steam inlet pipe (6) and a condensate return pipe (7), and the steam inlet pipe (6) and the condensate return pipe (7) are communicated with an interlayer space formed between the jacket (2) and the reaction kettle body (1); the stirring device comprises a pump body (11) arranged in the reaction kettle body (1) along the vertical direction, and the top end of a pump shaft (12) of the pump body (11) is fixedly arranged with an output shaft of the motor (3); A plurality of pump cavities (22) are coaxially arranged in the pump body (11) along the up-down direction, centrifugal impellers (23) are arranged in each pump cavity (22), a pump shaft (12) of the pump body (11) penetrates through each pump cavity (22) to be rotationally connected with the pump body (11), each centrifugal impeller (23) is fixedly arranged with the pump shaft (12), the centrifugal impellers (23) are totally-enclosed impellers, a suction area of each centrifugal impeller (23) is positioned in the center of the lower end face of each centrifugal impeller (23), a discharge area of each centrifugal impeller (23) is positioned in the peripheral circumference area of each centrifugal impeller (23), a plurality of suction channels (24) communicated with the pump cavity (22) at the bottommost side are arranged on the lower end face of the pump body (11), The upper end face of the pump body (11) is provided with a plurality of discharge channels (25) communicated with the uppermost pump cavity (22), a plurality of communication holes (26) are arranged between the pump cavities (22), the top ends of the communication holes (26) are communicated with the suction areas of centrifugal impellers (23) corresponding to the pump cavities (22) above, and the bottom ends of the communication holes (26) are communicated with the pump cavities (22) below; A plurality of guide bodies (13) with downward inclined outer ends are uniformly and fixedly arranged at the bottom of the outer surface of the pump body (11) along the circumferential direction, guide grooves (14) are formed in the upper end surface of each guide body (13) along the length direction of each guide body (13), and through holes (15) communicated with the guide grooves (14) are formed in the lower end surface of the outer end of each guide body (13); the outer surface of the pump body (11) is provided with a ring body (16) in a sliding manner along the up-down direction, the outer surface of the ring body (16) is hinged with a plurality of connecting rods (17) corresponding to the diversion bodies (13), the bottom end of each connecting rod (17) is hinged with a push block (18), each push block (18) is positioned in a corresponding diversion trench (14), and the push blocks (18) are arranged in the diversion trench (14) in a sliding manner along the length direction of the diversion trench (14); A driving device is also arranged in the reaction kettle body (1), the output end of the driving device is connected with the ring body (16), and the driving device is used for driving the ring body (16) to move up and down; the driving device comprises a driving disc (19) arranged at the inner bottom of the reaction kettle body (1), a reciprocating screw rod (20) is coaxially arranged in the driving disc (19) along the up-down direction,

The driving disc (19) is in threaded connection with the reciprocating screw (20), the top end of the reciprocating screw (20) is fixedly arranged at the bottom end of the pump shaft (12) of the body, a plurality of guide rods (21) are arranged between the driving disc (19) and the ring body (16) in a staggered manner with the connecting rod (17), the top end of the guide rod (21) is fixedly arranged with the ring body (16), and the bottom end of the guide rod (21) is fixedly arranged with the driving disc (19); one end that reation kettle body (1) was kept away from to material discharging pipe (8) is fixed to be provided with wash tank (28), and fixed on wash tank (28) is provided with drain pipe (29), and the one end that wash tank (28) was kept away from to drain pipe (29) is fixed to be provided with holding vessel (30), and fixed on holding vessel (30) is provided with communicating pipe (31), and one end that holding vessel (30) was kept away from to communicating pipe (31) communicates with input tube (32) of proportioning pump (10), and three-way valve (33) are installed in junction of communicating pipe (31) and input tube (32).

2. The AMS monomer resin production reaction apparatus according to claim 1, wherein: the bottom of pump shaft (12) downwardly extending to the bottom of reation kettle body (1) and with reation kettle body (1) rotation connection, the bottom of pump shaft (12) surface is fixed to be provided with stirring body (27), and the lower terminal surface of stirring body (27) is laminated with the interior bottom wall of reation kettle body (1).

3. An AMS monomer resin production process based on the AMS monomer resin production reaction apparatus as claimed in any one of claims 1 to 2, characterized in that:

Firstly, dissolving alpha-methyl styrene solution in an inert solvent in a batching tank;

Secondly, conveying the solution prepared in the first step into a reaction kettle body (1), adding a cationic catalyst and a molecular weight regulator, controlling the reaction temperature of polymerization to be 0-20 ℃ and controlling the reaction time to be 3-4 hours to obtain a polymerization solution;

and thirdly, preparing the AMS monomer resin from the polymerization solution through water washing, distillation and steam stripping.