CN116272816A

CN116272816A - Reaction device for producing methyl methacrylate

Info

Publication number: CN116272816A
Application number: CN202310564838.2A
Authority: CN
Inventors: 王建强; 慈夫山; 李占吉; 张雷; 李明华; 张振旺; 惠保太; 赵翔宇
Original assignee: Shandong Hongxu Chemical Co ltd; Wanda Group Co Ltd
Current assignee: Shandong Hongxu Chemical Co ltd; Wanda Group Co Ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-06-23
Anticipated expiration: 2043-05-19
Also published as: CN116272816B

Abstract

The invention discloses a reaction device for producing methyl methacrylate, which relates to the technical field of methyl methacrylate production and has the advantage of pre-mixing auxiliary materials and main materials, and the technical scheme is as follows: including retort and intercommunication at the inlet pipe on retort top, the relative both sides of inlet pipe slope respectively upwards communicate has main material pipe and auxiliary material pipe, the top in the retort be equipped with the mixing box of inlet pipe intercommunication, and the bottom of mixing box be equipped with the discharging pipe of inlet pipe dislocation, be equipped with on the retort be used for with the material dispersion piece in the retort of follow discharging pipe outflow, the bottom of retort is equipped with row material pipe, and is equipped with the stop valve on the row material pipe, be equipped with on the retort be used for carrying out the stirring piece of stirring in the retort.

Description

Reaction device for producing methyl methacrylate

Technical Field

The invention relates to the technical field of methyl methacrylate production, in particular to a reaction device for producing methyl methacrylate.

Background

Methyl methacrylate, also known as methyl methacrylate, is an organic compound which is colorless liquid, slightly soluble in water, soluble in most organic solvents such as ethanol, and is mainly used as a monomer for organic glass, and is also used for manufacturing other resins, plastics, paints, adhesives, lubricants, impregnating compounds for wood and cork, paper polish, and the like.

At present, chinese patent application number CN202020453645.1 on the market discloses a reaction unit for producing methyl methacrylate, including the heat preservation shell, the inner wall of heat preservation shell has the retort through the fix with screw, and the interior middle part of retort is provided with rabbling mechanism, circulation pipe jack has all been opened to the outer wall bottom and the top of heat preservation shell, and circulation pipe jack's inner wall grafting has the circulation pipe, the inside of heat preservation shell is provided with air feed mechanism, main pipe jack and auxiliary material pipe jack have been opened respectively at the both sides outer wall top of retort, and main pipe jack and auxiliary material pipe jack's inner wall peg graft respectively have main pipe and auxiliary material pipe, the one end grafting of main pipe has the outer tube, and the outer tube is annular tubular structure, the one end grafting of auxiliary material pipe has the interior sleeve pipe, and the interior sleeve pipe is located the inside of outer tube, and the outer wall of interior sleeve pipe is opened there is evenly distributed's flow hole.

The prior art solves the problem of pre-mixing auxiliary materials and main materials through the inner sleeve, the flow holes and the outer sleeve, so that the applicant develops another new technical scheme in the actual production process to solve the technical problem.

Disclosure of Invention

The invention aims to provide a reaction device for producing methyl methacrylate, which has the advantage of pre-mixing auxiliary materials and main materials.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides a reaction device for producing methyl methacrylate, which comprises a reaction tank and a feed pipe communicated with the top end of the reaction tank, wherein the two opposite sides of the feed pipe are respectively and obliquely upwards communicated with a main material pipe and an auxiliary material pipe, the top end in the reaction tank is provided with a mixing box communicated with the feed pipe, the bottom end of the mixing box is provided with a discharge pipe staggered with the feed pipe, the reaction tank is provided with a dispersing piece for dispersing materials flowing out of the discharge pipe in the reaction tank, the bottom end of the reaction tank is provided with a discharge pipe, the discharge pipe is provided with a stop valve, and the reaction tank is provided with a stirring piece for stirring the reaction tank.

Through adopting above-mentioned technical scheme, pour the inlet pipe into main material and auxiliary material through main material pipe and auxiliary material pipe respectively, this moment upwards set up the opposite both sides at the inlet pipe because of main material pipe and auxiliary material pipe slope respectively, so main material and auxiliary material in the inlet pipe then can contact each other, preliminary premix carries out, then get into the blending box through the inlet pipe, then flow out through the discharging pipe on the blending box, because of discharging pipe and inlet pipe dislocation distribution this moment, so can further premix main material and auxiliary material through the blending box, when main material after premixing, auxiliary material flow out from the discharging pipe, the material that flows out the discharging pipe through the dispersing element disperses in the retort, then stir the material in the retort through the stirring piece can, the material that flows out the discharging pipe disperses in the retort through the dispersing element this moment, can be convenient for the mixing reaction of material in the retort, dispersing element and stirring piece each other do not influence, it is simple to use.

Preferably, the dispersing piece comprises a horizontal plate horizontally arranged between the inner walls of two opposite sides of the reaction tank, a chute is formed in the top end of the horizontal plate along the length direction of the horizontal plate, two opposite sliding blocks are connected in the chute in a sliding manner, mounting columns are vertically arranged on the top ends of the sliding blocks, grooves penetrating through the sliding blocks are formed in the top ends of the two mounting columns, a reverse Y-shaped communicating pipe is communicated with the bottom end of the discharging pipe, two pipe openings in the bottom end of the communicating pipe are communicated with first hoses, one ends of the first hoses, far away from the communicating pipe, are fixedly connected with the top ends of the two mounting columns respectively, at the moment, the first hoses are communicated with the grooves in the mounting columns, and driving pieces for simultaneously driving the two sliding blocks to horizontally slide in the chute are arranged on the reaction tank.

Preferably, the driving piece comprises a first swing rod, a second swing rod and a third swing rod and a fourth swing rod, wherein the first swing rod and the second swing rod are arranged on one mounting column in a rotating mode, the third swing rod is connected with the third swing rod and the fourth swing rod in a rotating mode, one end of the third swing rod, which is far away from the mounting column, is vertically provided with a first column body, one end of the fourth swing rod, which is far away from the mounting column, is vertically provided with a second column body, one end of the second swing rod, which is far away from the mounting column, is connected with the second column body in a rotating mode, at the moment, the first swing rod, the second swing rod, the third swing rod and the fourth swing rod form a parallelogram, a rotating ring located above the first swing rod is coaxially connected with the first swing rod in a rotating mode, the top end in the reaction tank is rotationally connected with a rotating shaft, the rotating shaft is located on one side of the mixing tank, one end of the outer wall of the rotating ring is connected with the rotating shaft through a driving plate, the driving plate is horizontally arranged, and a first motor for driving the rotating shaft is arranged on the reaction tank.

Preferably, the bottom of the third swing rod is vertically provided with a first disturbance rod located under the first column, the bottom of the fourth swing rod is vertically provided with a second disturbance rod located under the second column, and the first disturbance rod and the second disturbance rod are respectively located on two sides of the horizontal plate.

Preferably, the dispersing piece is including setting up the second motor on retort top, the discharging pipe rotates with the mixing box to be connected, and the top of discharging pipe passes the bottom of the case of mixing box and be located the mixing box, the axis of rotation one end of second motor passes the top of retort and the top of mixing box extend to the mixing box in and with the coaxial fixed connection in top of discharging pipe, a plurality of intercommunication grooves have evenly been seted up on the outer wall that the discharging pipe is located the mixing box, the bottom of discharging pipe is equipped with inside hollow cam, and cam and discharging pipe intercommunication, a plurality of dispersion grooves with the inside intercommunication of cam have been seted up to the bottom of cam, and each dispersion groove all follows the circumference evenly distributed of cam.

Preferably, the equal level of relative both sides inner wall of retort is equipped with the bracing piece, and connects through the ring between two bracing pieces, the ring level is located the below of cam, the top of ring is followed the circumference evenly distributed of ring and is had four slide drums, and all horizontal slip in four slide drums is connected with the slide bar, four the slide bar is close to the push pedal that all extends outside the slide drum and all is equipped with and contacts with the cam lateral wall of the one end that the cam was located to the slide bar all extends outside the slide drum and all vertically downwards is equipped with the disturbance board, four all be equipped with compression spring between push pedal and the slide drum.

Preferably, balls which are in contact with the side walls of the cams are arranged on one sides, close to the cams, of the four push plates, and the two support rods are respectively positioned below the space between the two adjacent slide rods.

Preferably, the dispersing piece comprises a fixed plate, a swinging plate and two sliding columns oppositely arranged at the bottom end of the swinging plate, wherein the fixed plate is horizontally arranged in the reaction tank, the opposite ends of the fixed plate are fixedly connected with the inner wall of the reaction tank, the fixed plate is arranged below one side of the discharging pipe, a plurality of V-shaped sliding grooves are formed in the top end of the fixed plate, the sliding grooves are distributed along the length direction of the fixed plate, the adjacent two sliding grooves are communicated, the swinging plate is arranged at the top end of the fixed plate, at the moment, two sliding columns penetrate through one sliding groove at the bottom end, the two sliding columns are connected through a baffle, the baffle is arranged below the fixed plate and is in contact with the bottom end of the fixed plate, one end of the swinging plate, which is far away from the two sliding columns, is horizontally provided with an extension plate, the bottom end of the discharging pipe is communicated with a second hose, one end of the second hose, which is far away from the swinging plate, is fixedly connected with one side of the extension plate, and the fixed plate is provided with a sliding piece which is used for pushing the swinging plate to slide along the length direction of the fixed plate on the fixed plate.

Preferably, the slider is including setting up two fixed stations on fixed plate top relatively, and is equipped with two relative slide rails between two fixed stations, two the level is slided between the slide rail and is connected with the slip table, the bottom of slip table is equipped with rectangular groove along the width direction of fixed plate, the top of pendulum plate is equipped with pushes away the post, pushes away the top that the post is located rectangular inslot, push away the top that the post is located between two posts, two rotate between the fixed station and be connected with the lead screw, and the lead screw is located between two slide rails, the one end of lead screw passes the slip table and with slip table threaded connection, outer wall one side of retort is equipped with the third motor, and the axis of rotation one end of third motor pass the tank wall of retort and with lead screw coaxial fixed connection.

Preferably, the stirring piece is including rotating the (mixing) shaft of connecting in the retort bottom, and the (mixing) shaft is located one side of arranging the material pipe, be equipped with a plurality of puddlers on the (mixing) shaft, the (mixing) shaft is located the below of discharging pipe and dispersing piece, the outer bottom of retort is equipped with and is used for driving (mixing) shaft pivoted driving motor.

The invention has the beneficial effects that: the main material and the auxiliary material are poured into the feeding pipe through the main material pipe and the auxiliary material pipe respectively, at this moment, the main material pipe and the auxiliary material pipe are obliquely upwards arranged on the two opposite sides of the feeding pipe respectively, so the main material and the auxiliary material entering the feeding pipe can be mutually contacted, preliminary pre-mixing is carried out, then the main material and the auxiliary material enter the mixing box through the feeding pipe, then the main material and the auxiliary material flow out through the discharging pipe on the mixing box, at this moment, the main material and the auxiliary material after premixing can be further premixed through the mixing box, when the main material and the auxiliary material flow out from the discharging pipe, the material flowing out from the discharging pipe is dispersed in the reaction tank through the dispersing piece, then the material flowing out from the discharging pipe is dispersed in the reaction tank through the dispersing piece, so the mixing reaction of the material in the reaction tank can be facilitated, the dispersing piece and the stirring piece are mutually unaffected, and the use is simple and convenient.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present embodiment;

fig. 2 is a schematic structural diagram of the driving board according to the present embodiment;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

FIG. 4 is a schematic diagram of the structure of the first perturbation rod of the present embodiment;

fig. 5 is a schematic structural view showing a dispersion tank according to the present embodiment;

FIG. 6 is an enlarged schematic view of the structure of the portion B in FIG. 5;

fig. 7 is a schematic structural view of the ring according to the present embodiment;

fig. 8 is a schematic view of a structure for embodying the sliding groove of the present embodiment;

fig. 9 is a schematic structural diagram of the sliding rail according to the present embodiment;

fig. 10 is a schematic structural view of the extension board according to the present embodiment.

Reference numerals illustrate:

in the figure: 1. a reaction tank; 2. a feed pipe; 3. a main material pipe; 4. a material auxiliary pipe; 5. a mixing box; 6. a discharge pipe; 7. a discharge pipe; 8. a stop valve; 9. a horizontal plate; 10. a chute; 12. a slide block; 13. a mounting column; 14. a groove; 15. a communicating pipe; 16. a first hose; 17. a first swing rod; 18. the second swing rod; 19. a third swing rod; 20. a fourth swing rod; 21. a first column; 22. a second column; 23. a swivel; 24. a rotating shaft; 25. a driving plate; 26. a first motor; 27. a first disturbance rod; 28. a second disturbance rod; 29. a second motor; 30. a communication groove; 31. a cam; 32. a dispersion tank; 33. a support rod; 34. a circular ring; 35. a slide cylinder; 36. a slide bar; 37. a push plate; 38. a disturbance plate; 39. a compression spring; 40. a ball; 41. a fixing plate; 42. a swinging plate; 43. a spool; 44. a sliding groove; 45. a baffle; 46. an extension plate; 47. a second hose; 48. a fixed table; 49. a slide rail; 50. a sliding table; 51. a rectangular groove; 52. pushing a column; 53. a screw rod; 54. a third motor; 55. a stirring shaft; 56. a stirring rod; 57. and driving the motor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

A reaction unit for producing methyl methacrylate, as in fig. 1 and 2, including retort 1 and intercommunication at the inlet pipe 2 on retort 1 top, the relative both sides of inlet pipe 2 slope respectively upwards communicate has main pipe 3 and auxiliary material pipe 4, the top in retort 1 is equipped with the mixing box 5 with inlet pipe 2 intercommunication, and the bottom of mixing box 5 is equipped with the discharging pipe 6 with inlet pipe 2 dislocation, be equipped with on retort 1 and be used for dispersing the dispersing piece in retort 1 from the material of discharging pipe 6 outflow, the bottom of retort 1 is equipped with row material pipe 7, and be equipped with stop valve 8 on row material pipe 7, be equipped with the stirring piece that is used for stirring in the retort 1 on the retort 1.

As shown in fig. 1 and 2, the main material and the auxiliary material are poured into the feeding pipe 2 through the main material pipe 3 and the auxiliary material pipe 4 respectively, at this moment, the main material pipe 3 and the auxiliary material pipe 4 are respectively inclined upwards to be arranged on two opposite sides of the feeding pipe 2, so that the main material and the auxiliary material entering the feeding pipe 2 can be mutually contacted, preliminary pre-mixing is carried out, then the main material and the auxiliary material enter the mixing box 5 through the feeding pipe 2, then the discharging pipe 6 flows out through the mixing box 5, at this moment, the main material and the auxiliary material can be further premixed through the mixing box 5, when the main material and the auxiliary material (material) after premixing flow out from the discharging pipe 6, the material flowing out from the discharging pipe 6 is dispersed in the reaction tank 1 through the dispersing piece, then the material flowing out from the discharging pipe 6 is dispersed in the reaction tank 1 through the stirring piece, the mixing reaction of the material in the reaction tank 1 can be facilitated through the dispersing piece, the dispersing piece and the stirring piece are not mutually influenced, and the use is simple and convenient.

The outer wall cover of retort 1 is equipped with the hollow sleeve of section of thick bamboo wall (not shown in the figure), and the opposite both sides of sleeve outer wall communicate respectively have with sleeve section of thick bamboo wall hollow intercommunication inlet tube (not shown in the figure), outlet pipe (not shown in the figure), and the telescopic outer wall is equipped with heat preservation (not shown in the figure), through with hot water from the inlet tube injection sleeve section of thick bamboo wall in this moment, can heat the heat preservation to retort 1.

As shown in fig. 2, fig. 3 and fig. 4, the dispersing element comprises a horizontal plate 9 horizontally arranged between the inner walls of two opposite sides of the reaction tank 1, a chute 10 is formed in the top end of the horizontal plate 9 along the length direction of the horizontal plate 9, two opposite sliding blocks 12 are horizontally and horizontally moved and connected in the chute 10, mounting columns 13 are vertically arranged at the top ends of the two sliding blocks 12, grooves 14 penetrating through the sliding blocks 12 are formed in the top ends of the two mounting columns 13, a reverse Y-shaped communicating pipe 15 is communicated with the bottom end of the discharging pipe 6, first hoses 16 are communicated with two pipe openings at the bottom end of the communicating pipe 15, one ends of the two first hoses 16, far away from the communicating pipe 15, are respectively fixedly connected with the top ends of the two mounting columns 13, at the moment, the first hoses 16 are communicated with the grooves 14 on the mounting columns 13, and a driving element for simultaneously driving the two sliding blocks 12 to horizontally slide in the chute 10 is arranged on the reaction tank 1.

As shown in fig. 2, 3 and 4, when the discharging pipe 6 flows out of the material, the material flows into the grooves 14 on the two sliding blocks 12 through the communicating pipe 15 and the two first hoses 16 respectively, then flows out of the grooves 14, and when the material flows into the grooves 14 on the two sliding blocks 12 through the communicating pipe 15 and the two first hoses 16 respectively, the two sliding blocks 12 are simultaneously driven to horizontally slide in the sliding groove 10 through the driving piece, and at the moment, the material can be dispersed in the reaction tank 1 through the grooves 14 on the two sliding blocks 12 which horizontally slide, so that the use is simple and convenient.

As shown in fig. 2, 3 and 4, the driving element comprises a first swing rod 17, a second swing rod 18 and a third swing rod 19 and a fourth swing rod 20, wherein the first swing rod 17 and the second swing rod 18 are rotatably connected to one mounting column 13, the third swing rod 19 and the fourth swing rod 20 are rotatably connected to the other mounting column 13, a first column 21 is vertically arranged at one end of the third swing rod 19, which is far away from the mounting column 13, a second column 22 is vertically arranged at one end of the fourth swing rod 20, which is far away from the mounting column 13, a second column 22 is rotatably connected at one end of the second swing rod 18, which is far away from the mounting column 13, at this moment, the first swing rod 17, the second swing rod 18, the third swing rod 19 and the fourth swing rod 20 form a parallelogram, a rotating ring 23 which is coaxially and rotatably connected to the first column 21 is located above the first swing rod 17, a rotating shaft 24 is rotatably connected to the top end in the reaction tank 1, the rotating shaft 24 is located at one side of the mixing tank 5, one end of the rotating ring 23 is connected to the rotating shaft 24 through a driving plate 25, and the driving plate 25 is horizontally arranged, and a first rotating shaft 26 for driving the motor 24 is arranged on the reaction tank 1.

As shown in fig. 2, fig. 3 and fig. 4, when two sliding blocks 12 need to be driven to slide horizontally in the chute 10, only the first motor 26 is required to be opened, at this time, the rotating shaft 24 of the first motor 26 drives the rotating shaft 24 to rotate, the rotating shaft 24 drives the rotating ring 23 through the driving plate 25, the first column 21 rotates along the rotating axis of the rotating shaft 24, at this time, the rotating ring 23 is rotationally connected to the first column 21, the first swinging rod 17 and the second swinging rod 18 on one mounting column 13 are respectively rotationally connected with the first column 21 and the second column 22, and the first swinging rod 17, the second swinging rod 18, the third swinging rod 19 and the fourth swinging rod 20 form a parallelogram, so when the rotating shaft 24 drives the rotating ring 23 to rotate along the rotating axis of the rotating shaft 24 through the driving plate 25, the first swinging rod 17, the second swinging rod 18, the third swinging rod 19, the fourth swinging rod 20, the first column 21 and the second column 22 can simultaneously drive the two sliding blocks 12 to slide horizontally in the chute 10 through the cooperation of the mounting column 13, at this time, the second column 22 moves along the first column 21, and the moving track of the first column 21 is a circular ring.

As shown in fig. 2 and 4, the bottom end of the third swing rod 19 is vertically provided with a first disturbance rod 27 located under the first column 21, the bottom end of the fourth swing rod 20 is vertically provided with a second disturbance rod 28 located under the second column 22, and the first disturbance rod 27 and the second disturbance rod 28 are respectively located at two sides of the horizontal plate 9, and the purpose of the arrangement is that when the second column 22 moves along with the first column 21, the materials in the reaction tank 1 can be stirred in an auxiliary manner through the first disturbance rod 27 on the third swing rod 19 and the second disturbance rod 28 on the fourth swing rod 20, and the stirring work of the stirring piece on the materials in the reaction tank 1 can not be influenced by the first disturbance rod 27 and the second disturbance rod 28, so that the stirring device is simple and convenient to use.

As shown in fig. 5 and 6, alternatively, the dispersing member includes a second motor 29 disposed at the top end of the reaction tank 1, the discharging pipe 6 is rotationally connected with the mixing tank 5, and the top end of the discharging pipe 6 passes through the bottom of the mixing tank 5 and is located in the mixing tank 5, one end of a rotation shaft of the second motor 29 passes through the top end of the reaction tank 1 and the top end of the mixing tank 5, extends into the mixing tank 5 and is fixedly connected with the top end of the discharging pipe 6 coaxially, a plurality of communicating grooves 30 are uniformly formed in the outer wall of the mixing tank 5 where the discharging pipe 6 is located, a cam 31 with a hollow inside is arranged at the bottom end of the discharging pipe 6, the cam 31 is communicated with the discharging pipe 6, a plurality of dispersing grooves 32 communicated with the cam 31 are formed at the bottom end of the cam 31, and the dispersing grooves 32 are uniformly distributed along the circumference of the cam 31.

As shown in fig. 5 and 6, the premixed main materials and auxiliary materials (materials) in the mixing box 5 flow to the discharge pipe 6 through the communication grooves 30, then flow out from the discharge pipe 6, when the materials flow out from the discharge pipe 6, the materials flow into the cam 31 from the discharge pipe 6 and then flow out from the dispersion grooves 32 on the cam 31, when the materials flow into the cam 31 from the discharge pipe 6, the second motor 29 is turned on, at this time, the rotation shaft of the second motor 29 drives the discharge pipe 6 and the cam 31 to rotate, at this time, the materials can be dispersed in the reaction tank 1 through the dispersion grooves 32 on the cam 31, and the use is simple and convenient.

As shown in fig. 5 and 7, the inner walls of two opposite sides of the reaction tank 1 are horizontally provided with supporting rods 33, the two supporting rods 33 are connected through a circular ring 34, the circular ring 34 is horizontally positioned below the cam 31, four sliding drums 35 are uniformly distributed at the top end of the circular ring 34 along the circumferential direction of the circular ring 34, sliding rods 36 are horizontally connected in the four sliding drums 35 in a sliding manner, push plates 37 which are in contact with the side wall of the cam 31 are arranged outside the sliding drums 35 and are respectively extended from one ends of the four sliding rods 36, which are far away from the cam 31, are respectively extended outside the sliding drums 35 and are respectively vertically provided with a disturbance plate 38, and compression springs 39 are respectively arranged between the four push plates 37 and the sliding drums 35.

As shown in fig. 5 and 7, when the cam 31 rotates, because the four push plates 37 are in contact with the side wall of the cam 31, and the slide cylinders 35 on the four slide rods 36 are fixedly connected with the circular ring 34, when the cam 31 rotates, the cam 31 pushes the four slide rods 36 to slide horizontally through the four push plates 37, at the moment, the materials in the reaction tank 1 can be disturbed through the disturbance plates 38 on the four slide rods 36, stirring is assisted, the push plates 37 can be always contacted with the cam 31 through the compression springs 39, when the disturbance plates 38 are far away from the slide cylinders 35, the compression springs 39 are compressed, at the moment, the slide rods 36 and the disturbance plates 38 can reciprocate through the cooperation of the compression springs 39 and the cam 31, the elasticity of the compression springs 39 is larger than the resistance of the disturbance plates 38 when the materials in the reaction tank 1 are disturbed, the disturbance plates 38 can not influence stirring work of stirring pieces on the materials in the reaction tank 1, and the use is simple and convenient.

As shown in fig. 7, the balls 40 contacting with the side walls of the cam 31 are disposed on one side of the four push plates 37 close to the cam 31, and the two support rods 33 are respectively located below the two adjacent slide bars 36, so that the friction resistance between the push plates 37 and the cam 31 can be reduced by the balls 40, and the push plates 37 are pushed by the cam 31 to drive the slide bars 36 to move, so that the push plate is simple and convenient to use.

As shown in fig. 8 and 9, or, the dispersing piece includes fixed plate 41, swing plate 42 and two slide posts 43 relatively set up in swing plate 42 bottom, fixed plate 41 level is located retort 1, and fixed plate 41's opposite both ends all with retort 1's inner wall fixed connection, fixed plate 41 is located one side below of discharging pipe 6 this moment, a plurality of V-shaped sliding grooves 44 have been seted up on fixed plate 41's top, and each sliding groove 44 all distributes along fixed plate 41's length direction, and two adjacent sliding grooves 44 communicate, swing plate 42 places at fixed plate 41's top, at this moment, two slide post 43's bottom all passes from one of them sliding groove 44, two slide post 43's bottom passes through baffle 45 and connects, and baffle 45 is located fixed plate 41's below and contacts with fixed plate 41's bottom, swing plate 42 keeps away from two slide post 43's one end level and is equipped with extension board 46, discharging pipe 6's bottom intercommunication has the second hose 47, and the one end fixed connection that the second hose 47 kept away from discharging pipe 6 keeps away from on extension board 46 keeps away from swing plate 42, push plate 41 is equipped with and is used for carrying out the fixed plate 41's of sliding along the fixed plate 41's length on the fixed plate 41.

As shown in fig. 8 and 9, when the discharging pipe 6 flows out of the material, the material flows into the second hose 47, and then flows into the reaction tank 1 through the second hose 47, when the material flows into the second hose 47, the swinging plate 42 is pushed to slide along the length direction of the fixed plate 41 by the sliding piece, at this time, because the bottom ends of the two sliding columns 43 on the swinging plate 42 pass through one of the sliding grooves 44, the sliding grooves 44 are V-shaped, one end of the second hose 47, which is far away from the discharging pipe 6, is fixedly connected with the extending plate 46, so when the swinging plate 42 is pushed to slide along the length direction of the fixed plate 41 on the fixed plate 41, the two sliding columns 43 enter the next sliding groove 44 from one of the sliding grooves 44, at this time, the swinging plate 42 swings back and forth while sliding along the length direction of the fixed plate 41 by the matching of the two sliding columns 43 with each sliding groove 44, at this time, and at this time, the second hose 47 swings back and forth along the length direction of the swinging plate 41, and the material can be dispersed in the reaction tank 1.

As shown in fig. 8, 9 and 10, the sliding member comprises two fixing tables 48 oppositely arranged at the top end of the fixing plate 41, two opposite sliding rails 49 are arranged between the two fixing tables 48, a sliding table 50 is horizontally connected between the two sliding rails 49 in a sliding manner, a strip-shaped groove 51 is arranged at the bottom end of the sliding table 50 along the width direction of the fixing plate 41, a pushing column 52 is arranged at the top end of the swinging plate 42, the top end of the pushing column 52 is positioned in the strip-shaped groove 51, the pushing column 52 is positioned above the two sliding columns 43, a screw rod 53 is rotatably connected between the two fixing tables 48, the screw rod 53 is positioned between the two sliding rails 49, one end of the screw rod 53 penetrates through the sliding table 50 and is in threaded connection with the sliding table 50, a third motor 54 is arranged at one side of the outer wall of the reaction tank 1, and one end of a rotating shaft of the third motor 54 penetrates through the tank wall of the reaction tank 1 and is fixedly connected with the screw rod 53 in a coaxial manner.

As shown in fig. 8, 9 and 10, when the swinging plate 42 needs to be pushed to slide on the fixed plate 41 along the length direction of the fixed plate 41, only the third motor 54 needs to be turned on, at this time, the rotating shaft of the third motor 54 drives the screw rod 53 to rotate, because one end of the screw rod 53 passes through the sliding table 50 and is in threaded connection with the sliding table 50, and the top end of the pushing post 52 on the swinging plate 42 is located in the strip-shaped groove 51, when the rotating shaft of the third motor 54 drives the screw rod 53 to rotate, the sliding table 50 can be pushed to slide on the fixed plate 41 along the length direction of the fixed plate 41 through the cooperation of the strip-shaped groove 51 and the pushing post 52, and the sliding table 50 is horizontally connected between the two sliding rails 49 in a sliding manner, so that the sliding table 50 cannot rotate along with the screw rod 53.

As shown in fig. 2, the stirring member comprises a stirring shaft 55 rotatably connected to the bottom end in the reaction tank 1, the stirring shaft 55 is located at one side of the discharge pipe 7, a plurality of stirring rods 56 are arranged on the stirring shaft 55, the stirring shaft 55 is located below the discharge pipe 6 and the dispersing member, a driving motor 57 for driving the stirring shaft 55 to rotate is arranged at the bottom end outside the reaction tank 1, the driving motor 57 is turned on, the stirring shaft 55 is driven to rotate by the rotating shaft of the driving motor 57, and at the moment, the stirring in the reaction tank 1 can be carried out through each stirring rod 56 on the stirring shaft 55, so that the stirring device is simple and convenient to use.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A reaction device for producing methyl methacrylate is characterized by comprising a reaction tank (1) and a feed pipe (2) communicated with the top end of the reaction tank (1), wherein the two opposite sides of the feed pipe (2) are respectively and obliquely upwards communicated with a main material pipe (3) and an auxiliary material pipe (4), the top end in the reaction tank (1) is provided with a mixing box (5) communicated with the feed pipe (2), the bottom end of the mixing box (5) is provided with a discharge pipe (6) staggered with the feed pipe (2), the reaction tank (1) is provided with dispersing pieces for dispersing materials flowing out from the discharge pipe (6) in the reaction tank (1), the bottom end of the reaction tank (1) is provided with a discharge pipe (7), the discharge pipe (7) is provided with a stop valve (8), the reaction tank (1) is provided with stirring pieces for stirring the reaction tank (1), the stirring pieces comprise stirring shafts (55) which are rotationally connected with the bottom end in the reaction tank (1), the stirring shafts (55) are positioned on one side of the discharge pipe (7), the stirring shafts (55) are provided with stirring shafts (56) positioned below the dispersing pieces (55), the bottom outside the reaction tank (1) is provided with a driving motor (57) for driving the stirring shaft (55) to rotate.

2. The reaction device for producing methyl methacrylate according to claim 1, wherein the dispersing element comprises a horizontal plate (9) horizontally arranged between the inner walls of two opposite sides of the reaction tank (1), the top end of the horizontal plate (9) is provided with a chute (10) along the length direction of the horizontal plate (9), two opposite sliding blocks (12) are connected in the chute (10) in a water-smooth manner, the top ends of the two sliding blocks (12) are vertically provided with mounting columns (13), the top ends of the two mounting columns (13) are respectively provided with a groove (14) penetrating through the sliding blocks (12), the bottom ends of the discharging pipes (6) are respectively communicated with a reverse Y-shaped communicating pipe (15), the two pipe openings at the bottom ends of the communicating pipe (15) are respectively communicated with a first hose (16), one end of the two first hoses (16) far away from the communicating pipe (15) is respectively fixedly connected with the top ends of the two mounting columns (13), at the moment, the first hoses (16) are respectively communicated with the grooves (14) on the mounting columns (13), and the reaction tank (1) is provided with grooves (14) for driving the two sliding blocks (12) to slide horizontally and drive the two sliding elements (10).

3. The reaction device for producing methyl methacrylate according to claim 2, wherein the driving element comprises a first swing rod (17), a second swing rod (18) and a third swing rod (19) and a fourth swing rod (20) which are rotatably connected to one of the mounting columns (13), wherein the first swing rod (17), the second swing rod (18) and the third swing rod (19) are rotatably connected to the other mounting column (13), one end of the third swing rod (19) far away from the mounting column (13) is vertically provided with a first column (21), one end of the first swing rod (17) far away from the mounting column (13) is rotatably connected with the first column (21), one end of the fourth swing rod (20) far away from the mounting column (13) is vertically provided with a second column (22), one end of the second swing rod (18) far away from the mounting column (13) is rotatably connected with the second column (22), at this time, the first swing rod (17), the second swing rod (18), the third swing rod (19) and the fourth swing rod (20) form a parallelogram, one end of the first swing rod (19) is coaxially rotatably connected with a rotating ring (23) positioned above the first swing rod (17), one end of the first swing rod (17) far away from the mounting column (13) is rotatably connected with the second swing rod (20) and one end of the rotating ring (24) is rotatably connected with the rotating shaft (24) through the rotating shaft (24), and the driving plate (25) is horizontally arranged, and a first motor (26) for driving the rotating shaft (24) to rotate is arranged on the reaction tank (1).

4. A reaction device for producing methyl methacrylate according to claim 3, characterized in that the bottom end of the third swing rod (19) is vertically provided with a first disturbance rod (27) located right under the first column (21), the bottom end of the fourth swing rod (20) is vertically provided with a second disturbance rod (28) located right under the second column (22), and the first disturbance rod (27) and the second disturbance rod (28) are located on both sides of the horizontal plate (9) respectively.

5. The reaction device for producing methyl methacrylate according to claim 1, wherein the dispersing element comprises a second motor (29) arranged at the top end of the reaction tank (1), the discharge pipe (6) is rotationally connected with the mixing tank (5), the top end of the discharge pipe (6) penetrates through the bottom of the mixing tank (5) and is positioned in the mixing tank (5), one end of a rotating shaft of the second motor (29) penetrates through the top end of the reaction tank (1) and the top end of the mixing tank (5) to extend into the mixing tank (5) and is fixedly connected with the top end of the discharge pipe (6) coaxially, a plurality of communication grooves (30) are uniformly formed in the outer wall of the discharge pipe (6) positioned in the mixing tank (5), a cam (31) with hollow inside is arranged at the bottom end of the discharge pipe (6), a plurality of dispersing grooves (32) communicated with the inside of the cam (31) are formed in the bottom end of the cam (31), and the dispersing grooves (32) are uniformly distributed along the circumference of the cam (31).

6. The reaction device for producing methyl methacrylate according to claim 5, wherein the inner walls of two opposite sides of the reaction tank (1) are horizontally provided with supporting rods (33), two supporting rods (33) are connected through a circular ring (34), the circular ring (34) is horizontally positioned below the cam (31), four sliding drums (35) are uniformly distributed at the top ends of the circular ring (34) along the circumferential direction of the circular ring (34), sliding rods (36) are horizontally and slidingly connected in the four sliding drums (35), one ends of the four sliding rods (36) close to the cam (31) are extended out of the sliding drums (35) and are provided with pushing plates (37) in contact with the side walls of the cam (31), one ends of the four sliding rods (36) far away from the cam (31) are extended out of the sliding drums (35) and are vertically and downwards provided with disturbance plates (38), and compression springs (39) are arranged between the four pushing plates (37) and the sliding drums (35).

7. The reaction device for producing methyl methacrylate according to claim 6, wherein the four push plates (37) are each provided with balls (40) contacting the side walls of the cams (31) on the side close to the cams (31), and the two support rods (33) are each located below between the adjacent two slide rods (36).

8. The reaction device for producing methyl methacrylate according to claim 1, wherein the dispersing element comprises a fixed plate (41), a swinging plate (42) and two sliding columns (43) which are oppositely arranged at the bottom end of the swinging plate (42), wherein the fixed plate (41) is horizontally positioned in the reaction tank (1), opposite ends of the fixed plate (41) are fixedly connected with the inner wall of the reaction tank (1), the fixed plate (41) is positioned below one side of the discharging pipe (6), a plurality of V-shaped sliding grooves (44) are formed at the top end of the fixed plate (41), each sliding groove (44) is distributed along the length direction of the fixed plate (41), two adjacent sliding grooves (44) are communicated, the swinging plate (42) is placed at the top end of the fixed plate (41), the bottom ends of the two sliding columns (43) are penetrated through one sliding groove (44), the bottom ends of the two sliding columns (43) are connected through a baffle plate (45), the baffle plate (45) is positioned below the fixed plate (41) and is contacted with the bottom end of the fixed plate (41) which is far away from the bottom end of the fixed plate (42), the two sliding columns (46) are contacted with the bottom end of the fixed plate (6), and one end of the second hose (47) far away from the discharging pipe (6) is fixedly connected to one side of the extension plate (46) far away from the swinging plate (42), and a sliding part for pushing the swinging plate (42) to slide on the fixed plate (41) along the length direction of the fixed plate (41) is arranged on the fixed plate (41).

9. Reaction device for the production of methyl methacrylate according to claim 8, characterized in that the slide comprises two fixed tables (48) arranged at the top ends of the fixed plates (41) in opposition, two opposite sliding rails (49) are arranged between the two fixed tables (48), two sliding tables (50) are connected in a sliding manner horizontally between the sliding rails (49), a strip-shaped groove (51) is arranged at the bottom end of the sliding table (50) along the width direction of the fixed plates (41), a pushing column (52) is arranged at the top end of the swinging plate (42), the top end of the pushing column (52) is arranged in the strip-shaped groove (51), the pushing column (52) is arranged above the position between the two sliding columns (43), a screw rod (53) is connected between the two fixed tables (48) in a rotating manner, and the screw rod (53) is arranged between the two sliding rails (49), one end of the screw rod (53) penetrates through the sliding table (50) and is in threaded connection with the sliding table (50), a third motor (54) is arranged at one side of the outer wall of the reaction tank (1), and the rotating shaft (54) penetrates the tank (1) and is connected coaxially with the screw rod (53).