CN116492969B - High conversion preparation facilities of methyl methacrylate - Google Patents
High conversion preparation facilities of methyl methacrylate Download PDFInfo
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- CN116492969B CN116492969B CN202310725901.6A CN202310725901A CN116492969B CN 116492969 B CN116492969 B CN 116492969B CN 202310725901 A CN202310725901 A CN 202310725901A CN 116492969 B CN116492969 B CN 116492969B
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- shaped
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- pushing
- groove
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 83
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 230000008859 change Effects 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 26
- 230000032683 aging Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a high conversion rate preparation device of methyl methacrylate, which belongs to the technical field of methyl methacrylate preparation, and aims to solve the problems that a preparation device cannot adjust stirring rods to be driven according to the depth of reaction raw materials, not only wastes electric energy, but also quickens the ageing of the stirring rods, and the stirring rods at the upper end of the reaction raw materials can splash the added raw materials everywhere during halfway feeding.
Description
Technical Field
The invention relates to the technical field of methyl methacrylate preparation, in particular to a high-conversion-rate preparation device of methyl methacrylate.
Background
Methyl methacrylate (MMA for short) is an important intermediate of organic chemical industry, is also a monomer for synthesizing high-molecular polymer, and is mainly used for the synthesis of organic glass, PVC auxiliary agent, paint and other production, and is an important organic chemical raw material. The reaction used for preparing methyl methacrylate is an esterification reaction, which is a reversible reaction, and is not generally thorough, and according to the reaction balance principle, the reaction is carried out in the forward direction by separating one component from the product or making one component of the reactant excessive in order to improve the yield of the ester.
In document CN201921097076.5, a device for producing methyl methacrylate is disclosed. The device comprises a prereactor, wherein an MAA line and a methanol line are connected and then connected with the prereactor, the prereactor is connected with a coupling tower through a pipeline, the bottom of the coupling tower is connected with a stripping gas line, the lower part of the coupling tower is connected with the methanol line, the bottom of the coupling tower is connected with an MMA line, the coupling tower is connected with a gas-liquid separation tank through a pipeline, the gas-liquid separation tank is connected with a dehydration tower, the middle part of the dehydration tower is connected with a decanter through a pipeline, the decanter is connected with a pre-reactor tower top extraction line through a pipeline, and the decanter is connected with a wastewater line. The preparation device of methyl methacrylate has the advantages of high recovery and utilization rate of an organic phase, strong operation stability, low investment cost and low energy consumption, and can promote the esterification reaction to the greatest extent. In the preparation process of methyl methacrylate, the pre-reactor is a container for carrying out esterification reaction, in order to ensure full and rapid contact between reaction raw materials, an electric stirring rod is usually arranged in the pre-reactor, and the number and the height of the stirring rod are generally set to be the number of the most reaction raw materials which can be contained in a pre-reactor cavity, but the number of the stirring rod is less in the reaction raw materials, and when the stirring rod positioned at the upper end of the reaction raw materials is not needed, in the preparation process of methyl methacrylate, a driving motor still drives all the stirring rods to rotate, so that electric energy is wasted, the energy consumption is high, the ageing of the stirring rods is accelerated, the service life is reduced, and when the stirring rod positioned at the upper end of the reaction raw materials is used for midway feeding, the raw materials are also splashed around, so that the use is inconvenient.
In view of the above problems, a high conversion production apparatus of methyl methacrylate is proposed.
Disclosure of Invention
The invention aims to provide a high-conversion-rate preparation device for methyl methacrylate, which adopts the device to work, so that the problems that in the preparation device in the background, when reaction raw materials are fewer and stirring rods positioned at the upper end of the reaction raw materials are not needed, in the preparation process of methyl methacrylate, a driving motor still drives all stirring rods to rotate, electric energy is wasted, the energy consumption is high, meanwhile, the ageing of the stirring rods is accelerated, the service life is shortened, and in addition, when the stirring rods are added in the midway, the added raw materials are splashed around by the stirring rods positioned at the upper end of the reaction raw materials, so that the device is inconvenient to use are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the high conversion rate preparation device of methyl methacrylate comprises a reaction container and a placing base fixedly sleeved on the outer peripheral wall of the lower end of the reaction container, wherein a control panel is fixedly installed on the outer wall of the reaction container, a driving motor is fixedly installed in the middle of the top surface of an inner cavity of the reaction container, a driving center shaft is fixedly installed at the output end of the driving motor, a plurality of stirring rods are uniformly sleeved on the outer periphery of the driving center shaft, a clamping extension rod is installed on the outer peripheral wall of one side of the upper end of the driving center shaft, scraping plates are respectively installed at the two ends of the outer side end of the clamping extension rod, and the outer sides of the scraping plates are respectively attached to and slidably arranged on the inner wall of the inner cavity of the reaction container;
the driving center shaft comprises a T-shaped center shaft and an electric telescopic column which is embedded and fixedly arranged in the middle of the inner cavity at the upper end of the T-shaped center shaft, an inner pushing rod is slidably arranged in the inner cavity of the T-shaped center shaft, the inner pushing rod is fixedly arranged at the output end of the electric telescopic column, a plurality of sliding clamping blocks are respectively inserted and slidably arranged on the outer walls of the two sides of the inner pushing rod, and the sliding clamping blocks are respectively arranged corresponding to the stirring rod.
Further, the placing base comprises a fixing sleeve and four supporting stand feet which are uniformly and fixedly installed on the bottom surface of the fixing sleeve, and the fixing sleeve is fixedly sleeved on the outer wall of the periphery of the lower end of the reaction container.
Further, the top of the reaction vessel is respectively and fixedly provided with a feeding flange joint, a water feeding flange joint and a catalyst flange joint in a communicated mode, a discharging flange joint is fixedly arranged at the bottom chain of the reaction vessel, through holes are respectively formed in the top surface and the bottom surface of the reaction vessel, the feeding flange joint, the water feeding flange joint, the catalyst flange joint and the discharging flange joint, three inner through pipes are fixedly arranged on the top surface of the inner cavity of the reaction vessel, the inner through pipes are respectively arranged in the corresponding feeding flange joint, the water feeding flange joint and the catalyst flange joint, a plurality of annular sliding grooves are formed in the inner wall of the inner cavity of the reaction vessel, and arc-shaped annular grooves are respectively formed in the top surface and the bottom surface of the inner cavity of the annular sliding grooves.
Further, a T-shaped inner groove is arranged in the middle of the inner cavity of the T-shaped center shaft, a plurality of through sliding holes are uniformly formed in the outer walls of the two sides of the T-shaped center shaft respectively, the through sliding holes are communicated with the T-shaped inner groove respectively, and the pushing inner rod is arranged in the T-shaped inner groove in a sliding mode.
Further, a plurality of pushing grooves are uniformly formed in the outer walls of the two sides of the pushing inner rod respectively, gradual change pushing grooves are formed in the inner walls of the two ends of the inner cavity of the pushing grooves respectively, and each gradual change pushing groove comprises a linear sliding groove and an inclined sliding groove which is communicated with the linear sliding groove.
Further, the sliding clamping blocks penetrate through and are arranged in the penetrating sliding holes in a sliding mode, pushing sliding shafts are fixedly arranged on the outer walls of the two ends of the inner sides of the sliding clamping blocks respectively, and the pushing sliding shafts are arranged in the gradual change pushing grooves in a sliding mode.
Further, the puddler includes round sleeve and fixed mounting body of rod on round sleeve both sides periphery outer wall, fixed mounting has T type connection slider on the outer wall of the outside end of body of rod, and is provided with a pair of abrasionproof ball on the top surface and the bottom surface of the outside end of T type connection slider respectively, and the abrasionproof ball sets up respectively in the arc annular, is provided with interior joint groove on the both sides outer wall of round sleeve inboard respectively, and the slip fixture block corresponds the inboard department that sets up in interior joint groove respectively.
Further, the clamping extension rod comprises an outer sleeve rod and an inner push rod which is slidably arranged in the inner cavity of the outer sleeve rod, clamping blocks are slidably arranged at two sides of the outer side end of the inner push rod respectively, and the clamping blocks are vertically and slidably arranged on the outer sleeve rod in a protruding mode.
Further, be provided with horizontal spout on the outer wall of the inboard end of overcoat pole, and be provided with vertical slide hole on the both ends outer wall of overcoat pole outside end respectively, be provided with the drive slide shaft on the both ends outer wall of the inboard end of interior push rod respectively, and be provided with T type slope spout on the both ends outer wall of the inboard end of interior push rod respectively, and drive the slide shaft and slide the setting respectively in the slope spout that is located the uppermost, the joint piece includes slope T type slider and fixed mounting L type fixture block on slope T type slider one end outer wall, and slope T type slider slides and sets up in T type slope spout, L type fixture block vertical slip sets up in vertical slide hole.
Further, an L-shaped clamping groove is formed in the inner side outer wall of the upper end of the scraping plate, and the L-shaped clamping block is clamped in the L-shaped clamping groove.
Compared with the prior art, the invention has the following beneficial effects: after the staff adds the reaction raw materials to the reaction vessel, can judge the quantity of puddler that needs to be connected with the drive axis through judging the degree of depth of reaction raw materials in the reaction vessel inner chamber, afterwards the staff can start the drive axis through control panel, can carry out fixed joint with the puddler that needs to carry out stirring operation respectively with between the drive axis, and be located the puddler of reaction raw materials upper end then still with drive the separation between the axis, the staff starts driving motor this moment and can drive the puddler through the drive axis and stir the reaction raw materials, the structure sets up ingenious, under the prerequisite of guaranteeing the stirring effect, electric energy has not only been saved, the energy consumption has been reduced, the life of puddler has also been promoted simultaneously, and the problem that the raw materials splashes everywhere because of the puddler rotates also can not appear when later stage is reinforced, convenient to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic overall cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a reaction vessel according to the present invention;
FIG. 4 is a schematic top view in cross section of a reaction vessel of the present invention;
FIG. 5 is a schematic cross-sectional view of a drive shaft, stirring rod and clamping extension rod of the present invention;
FIG. 6 is a schematic view in partial cross-section of a T-shaped bottom bracket of the present invention;
FIG. 7 is a schematic cross-sectional view of a push inner rod portion of the present invention;
FIG. 8 is a schematic perspective view of a stirring rod according to the present invention;
FIG. 9 is a schematic view of the connection structure of the outer race bar and the inner push bar of the present invention;
FIG. 10 is a schematic diagram of a three-dimensional structure of a clamping block according to the present invention;
FIG. 11 is a schematic view of the upper end section of the screed according to the present invention.
In the figure: 1. a reaction vessel; 11. a feeding flange joint; 12. a water inlet flange joint; 13. a catalyst flange joint; 14. a discharging flange joint; 15. an inner tube; 16. an annular chute; 17. arc ring groove; 18. a through hole; 2. placing a base; 21. a fixed sleeve; 22. supporting the standing feet; 3. a control panel; 4. a driving motor; 5. driving a center shaft; 51. a T-shaped center shaft; 511. a T-shaped inner tank; 512. penetrating the sliding hole; 52. an electric telescopic column; 53. pushing the inner rod; 531. pushing the groove; 532. gradually changing a pushing groove; 5321. a straight line chute; 5322. tilting the chute; 54. sliding the clamping block; 541. pushing the slide shaft; 6. a stirring rod; 61. a circular sleeve; 611. an inner clamping groove; 62. a rod body; 63. a T-shaped connecting sliding block; 64. wear-resistant balls; 7. the extending rod is clamped; 71. an outer sleeve rod; 711. a transverse chute; 712. a vertical slide hole; 72. an inner push rod; 721. driving a sliding shaft; 722. t-shaped inclined sliding groove; 73. a clamping block; 731. tilting the T-shaped slide block; 732. an L-shaped clamping block; 8. a scraper; 81. l-shaped clamping grooves.
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.
In order to solve the technical problems that the preparation device is less in reaction raw materials, when the stirring rod 6 positioned at the upper end of the reaction raw materials is not needed, in the preparation process of methyl methacrylate, the driving motor 4 still can drive all the stirring rods 6 to rotate, so that electric energy is wasted, the use energy consumption is high, meanwhile, the ageing of the stirring rods 6 can be accelerated, the service life is prolonged, and when the materials are midway fed, the stirring rods 6 positioned at the upper end of the reaction raw materials can also enable the raw materials to be splashed everywhere, so that the use is inconvenient, as shown in fig. 1-8, the following preferable technical scheme is provided:
the utility model provides a methyl methacrylate's high conversion preparation facilities, including reaction vessel 1 and fixed cup joint place base 2 on reaction vessel 1 lower extreme periphery outer wall, fixedly mounted has control panel 3 on the outer wall of reaction vessel 1, the top surface middle part department fixed mounting of reaction vessel 1 inner chamber has driving motor 4, be provided with anticorrosive overcoat on the driving motor 4, be used for preventing that driving motor 4 from being corroded by the chemical substance, driving motor 4's output end fixed mounting has drive axis 5, and a plurality of puddlers 6 have evenly been cup jointed to the periphery of drive axis 5, install joint extension rod 7 on the one side periphery outer wall of drive axis 5 upper end, and the both ends punishment of joint extension rod 7 outside end do not install scraper blade 8, the outside laminating slip respectively sets up on reaction vessel 1's inner chamber inner wall.
The top of the reaction vessel 1 is respectively and fixedly provided with a feeding flange joint 11, a water inlet flange joint 12 and a catalyst flange joint 13, a discharging flange joint 14 is fixedly arranged on a bottom chain of the reaction vessel 1, through holes 18 are respectively arranged on the top surface and the bottom surface of the reaction vessel 1 corresponding to the feeding flange joint 11, the water inlet flange joint 12, the catalyst flange joint 13 and the discharging flange joint 14, three inner through pipes 15 are fixedly arranged on the top surface of an inner cavity of the reaction vessel 1, the inner through pipes 15 are respectively arranged corresponding to the feeding flange joint 11, the water inlet flange joint 12 and the catalyst flange joint 13, a plurality of annular sliding grooves 16 are arranged on the inner wall of the inner cavity of the reaction vessel 1, and arc-shaped annular grooves 17 are respectively arranged on the top surface and the bottom surface of the inner cavity of the annular sliding grooves 16.
The placing base 2 comprises a fixing sleeve 21 and four supporting stand legs 22 which are uniformly and fixedly arranged on the bottom surface of the fixing sleeve 21, and the fixing sleeve 21 is fixedly sleeved on the outer peripheral wall of the lower end of the reaction vessel 1.
The driving center shaft 5 comprises a T-shaped center shaft 51 and an electric telescopic column 52 which is embedded and fixedly arranged in the middle of an inner cavity at the upper end of the T-shaped center shaft 51, the electric telescopic column 52 is arranged to enable the output end of the electric telescopic column to move downwards by a distance equal to the vertical height of an inclined chute 5322 each time, a pushing inner rod 53 is slidably arranged in the inner cavity of the T-shaped center shaft 51, the pushing inner rod 53 is fixedly arranged at the output end of the electric telescopic column 52, a plurality of sliding clamping blocks 54 are respectively inserted and slidably arranged on the outer walls of the two sides of the pushing inner rod 53, the sliding clamping blocks 54 are respectively arranged corresponding to the stirring rod 6, a T-shaped inner groove 511 is arranged in the middle of the inner cavity of the T-shaped center shaft 51, a plurality of through sliding holes 512 are respectively uniformly arranged on the outer walls of the two sides of the T-shaped center shaft 51, the through sliding holes 512 are respectively communicated with the T-shaped inner groove 511, a plurality of pushing grooves 531 are respectively uniformly arranged on the outer walls of the two sides of the pushing inner rod 53, a gradual change pushing groove 532 is respectively arranged on the inner walls of the two ends of the pushing inner cavity of the pushing inner rod 531, the gradual change pushing groove 532 comprises a straight chute 5321 and a plurality of the gradual change sliding grooves 5322 which are respectively arranged at the two ends of the gradual change sliding grooves 5322, the gradual change sliding grooves 5322 are respectively located at the two ends of the gradual change sliding grooves 5322, and are respectively arranged at the gradual sliding grooves 5322, and are respectively located at the sliding grooves and are respectively located at the sliding bottoms of the sliding grooves and are respectively and at the sliding grooves and sliding positions of the sliding grooves and are located at the sliding grooves and sliding positions and are respectively and at the sliding.
The stirring rod 6 comprises a circular sleeve 61 and rod bodies 62 fixedly installed on the outer peripheral walls of the two sides of the circular sleeve 61, T-shaped connecting sliding blocks 63 are fixedly installed on the outer walls of the outer sides of the rod bodies 62, a pair of anti-abrasion balls 64 are respectively arranged on the top surface and the bottom surface of the outer sides of the T-shaped connecting sliding blocks 63, the anti-abrasion balls 64 are respectively arranged in arc-shaped annular grooves 17, inner clamping grooves 611 are respectively arranged on the outer walls of the two sides of the inner side of the circular sleeve 61, and sliding clamping blocks 54 are respectively correspondingly arranged at the inner sides of the inner clamping grooves 611.
Specifically, after the staff adds the reaction raw materials to reaction vessel 1 through pan feeding flange joint 11 and catalyst flange joint 13, can judge the quantity that needs the puddler 6 that is connected with drive axis 5 through judging the degree of depth of reaction raw materials in reaction vessel 1 inner chamber, afterwards the staff can start electric telescopic column 52 through control panel 3, electric telescopic column 52's output end then can drive and promote the whole downshift of interior pole 53, this moment through electric telescopic column 52 output end's downshift distance, can be respectively through slope spout 5322 and promotion slide shaft 541, drive the slip fixture block 54 joint of corresponding quantity and advance in joint groove 611 in, can be with carrying out fixed joint between puddler 6 that carries out stirring operation and the drive axis 5 respectively, and be located the puddler 6 of reaction raw materials upper end then still with drive axis 5 between the separation, the staff starts driving motor 4 this moment and can drive puddler 6 and stir the reaction raw materials, the structure sets up ingenious under the prerequisite of guaranteeing the stirring effect, not only saved the electric energy consumption, the life of using has also been reduced, and the life of puddler 6 has also been promoted simultaneously, and the problem of splashing can not cause in the moment is convenient for the puddler 6 to turn.
In order to solve the technical problems that the inside of the preparation device is extremely dangerous to clean because more toxic chemical substances remain in the preparation device, and staff enter the preparation device to clean after the preparation of the preparation device is finished, the damage to the body is large and the safety is low, as shown in fig. 2-11, the following preferable technical scheme is provided:
the clamping extension rod 7 comprises an outer sleeve rod 71 and an inner push rod 72 which is slidably mounted in an inner cavity of the outer sleeve rod 71, clamping blocks 73 are slidably mounted at two sides of the outer side end of the inner push rod 72 respectively, the clamping blocks 73 are vertically slidably arranged on the outer sleeve rod 71 in a protruding mode, transverse sliding grooves 711 are formed in the outer wall of the inner side end of the outer sleeve rod 71, vertical sliding holes 712 are formed in the outer walls of the two ends of the outer side end of the outer sleeve rod 71 respectively, driving sliding shafts 721 are arranged in the outer walls of the two ends of the inner side end of the inner push rod 72 respectively, T-shaped inclined sliding grooves 722 are formed in the outer walls of the two ends of the outer side end of the inner push rod 72 respectively, the driving sliding shafts 721 are slidably arranged in the inclined sliding grooves 5322 at the uppermost end respectively, the clamping blocks 73 comprise inclined T-shaped sliding blocks 731 and L-shaped clamping blocks 732 fixedly mounted on the outer wall of one end of the inclined T-shaped sliding blocks 731, the inclined T-shaped sliding blocks 732 are vertically slidably arranged in the vertical sliding holes 731.
An L-shaped clamping groove 81 is formed in the inner and outer walls of the upper end of the scraping plate 8, an L-shaped clamping block 732 is clamped in the L-shaped clamping groove 81, and the scraping plate 8 is respectively and slidably mounted on the inner wall of the inner cavity of the reaction container 1.
Specifically, when the inner cavity of the reaction vessel 1 needs to be cleaned, the electric telescopic column 52 can be started, the output end of the electric telescopic column 52 stretches out to the longest distance, the inner rod 53 is pushed to move down to the longest distance, all stirring rods 6 in the process are clamped with the driving center shaft 5, the inner push rod 72 can be driven to slide integrally to one side end under the limiting action of the inclined sliding chute 5322 and the driving sliding shaft 721, the clamping block 73 can be driven to move integrally downwards under the limiting action of the inclined T-shaped sliding block 731 and the T-shaped inclined sliding chute 722, so that the L-shaped clamping block 732 and the L-shaped clamping groove 81 can be enabled to pass through water into the inner cavity of the reaction vessel 1 through the water inlet flange joint 12, the driving motor 4 is started, all stirring rods 6 are driven to rotate by the driving center shaft 5, the stirring rods 6 can be watered, the driving center shaft 5 can slide along the inner wall of the reaction vessel 1 through the outer sleeve rod 71, the inner wall of the reaction vessel 1 is pushed to be further scraped, the cleaning efficiency is improved, the cleaning machine is not guaranteed, and the cleaning machine is not convenient to clean due to the fact that the cleaning machine is set up, and the cleaning effect is not good.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a methyl methacrylate's high conversion preparation facilities, includes reaction vessel (1) and fixed base (2) of placing of cup jointing on reaction vessel (1) lower extreme periphery outer wall, fixedly mounted control panel (3) on the outer wall of reaction vessel (1), its characterized in that: a driving motor (4) is fixedly arranged in the middle of the top surface of the inner cavity of the reaction container (1), a driving center shaft (5) is fixedly arranged at the output end of the driving motor (4), a plurality of stirring rods (6) are uniformly sleeved on the periphery of the driving center shaft (5), a clamping extension rod (7) is arranged on the outer peripheral wall of one side of the upper end of the driving center shaft (5), scraping plates (8) are respectively arranged at the two ends of the outer side end of the clamping extension rod (7), and the outer sides of the scraping plates (8) are respectively attached to the inner wall of the inner cavity of the reaction container (1) in a sliding manner;
the driving center shaft (5) comprises a T-shaped center shaft (51) and an electric telescopic column (52) which is embedded and fixedly arranged in the middle of the inner cavity of the upper end of the T-shaped center shaft (51), an inner pushing rod (53) is slidably arranged in the inner cavity of the T-shaped center shaft (51), the inner pushing rod (53) is fixedly arranged at the output end of the electric telescopic column (52), a plurality of sliding clamping blocks (54) are respectively inserted and slidably arranged on the outer walls of the two sides of the inner pushing rod (53), and the sliding clamping blocks (54) are respectively arranged corresponding to the stirring rod (6);
the clamping extension rod (7) comprises an outer sleeve rod (71) and an inner push rod (72) which is slidably arranged in the inner cavity of the outer sleeve rod (71), clamping blocks (73) are slidably arranged at two sides of the outer side end of the inner push rod (72), and the clamping blocks (73) are vertically slidably arranged on the outer sleeve rod (71) in a protruding mode;
a transverse sliding groove (711) is formed in the outer wall of the inner side end of the outer sleeve rod (71), and vertical sliding holes (712) are respectively formed in the outer walls of the two ends of the outer side end of the outer sleeve rod (71);
the outer walls of the two ends of the inner side end of the inner push rod (72) are respectively provided with a driving sliding shaft (721), the outer walls of the two ends of the outer side end of the inner push rod (72) are respectively provided with a T-shaped inclined sliding groove (722), and the driving sliding shafts (721) are respectively arranged in the inclined sliding grooves (5322) at the uppermost end in a sliding way;
the clamping block (73) comprises an inclined T-shaped sliding block (731) and an L-shaped clamping block (732) fixedly arranged on the outer wall of one end of the inclined T-shaped sliding block (731), the inclined T-shaped sliding block (731) is arranged in the T-shaped inclined sliding groove (722) in a sliding mode, and the L-shaped clamping block (732) is arranged in the vertical sliding hole (712) in a sliding mode;
an L-shaped clamping groove (81) is formed in the inner side outer wall of the upper end of the scraping plate (8), and an L-shaped clamping block (732) is clamped in the L-shaped clamping groove (81).
2. The high conversion production apparatus for methyl methacrylate according to claim 1, wherein: the placing base (2) comprises a fixing sleeve (21) and four supporting stand legs (22) which are uniformly and fixedly arranged on the bottom surface of the fixing sleeve (21), and the fixing sleeve (21) is fixedly sleeved on the outer peripheral wall of the lower end of the reaction container (1).
3. The high conversion production apparatus for methyl methacrylate according to claim 1, wherein: the top of reaction vessel (1) communicates fixed mounting respectively has pan feeding flange joint (11), pan feeding flange joint (12) and catalyst flange joint (13), bottom chain fixed mounting of reaction vessel (1) has ejection of compact flange joint (14), correspond pan feeding flange joint (11) respectively on the top surface and the bottom surface of reaction vessel (1), pan feeding flange joint (12), catalyst flange joint (13) and ejection of compact flange joint (14) are provided with through-hole (18), fixed mounting has three interior siphunculus (15) on the top surface of reaction vessel (1) inner chamber, and interior siphunculus (15) correspond pan feeding flange joint (11) respectively, pan feeding flange joint (12) and catalyst flange joint (13) set up, be provided with a plurality of annular spouts (16) on the inner chamber inner wall of reaction vessel (1), and be provided with arc annular groove (17) on the top surface and the bottom surface of annular spout (16) inner chamber respectively.
4. A high conversion production apparatus for methyl methacrylate according to claim 3, wherein: the middle part of the inner cavity of the T-shaped center shaft (51) is provided with a T-shaped inner groove (511), a plurality of through sliding holes (512) are uniformly formed in the outer walls of the two sides of the T-shaped center shaft (51), the through sliding holes (512) are communicated with the T-shaped inner groove (511) respectively, and an inner pushing rod (53) is arranged in the T-shaped inner groove (511) in a sliding mode.
5. The high conversion production apparatus of methyl methacrylate according to claim 4, wherein: a plurality of pushing grooves (531) are uniformly formed on the outer walls of the two sides of the pushing inner rod (53), and gradual change pushing grooves (532) are formed on the inner walls of the two ends of the inner cavity of the pushing groove (531);
the gradual change pushing groove (532) comprises a straight sliding groove (5321) and an inclined sliding groove (5322) which is communicated with the straight sliding groove (5321).
6. The high conversion production apparatus of methyl methacrylate according to claim 5, wherein: the sliding clamping blocks (54) are arranged in the penetrating sliding holes (512) in a penetrating and sliding mode, pushing sliding shafts (541) are fixedly arranged on the outer walls of the two ends of the inner side of the sliding clamping blocks (54) respectively, and the pushing sliding shafts (541) are arranged in the gradual change pushing grooves (532) in a sliding mode.
7. The high conversion production apparatus of methyl methacrylate according to claim 6, wherein: the stirring rod (6) comprises a circular sleeve (61) and rod bodies (62) fixedly arranged on the outer peripheral walls of the two sides of the circular sleeve (61), T-shaped connecting sliding blocks (63) are fixedly arranged on the outer walls of the outer ends of the rod bodies (62), a pair of anti-abrasion balls (64) are respectively arranged on the top surface and the bottom surface of the outer ends of the T-shaped connecting sliding blocks (63), and the anti-abrasion balls (64) are respectively arranged in the arc-shaped annular grooves (17);
inner clamping grooves (611) are respectively formed in the outer walls of the two sides of the inner side of the circular sleeve (61), and the sliding clamping blocks (54) are respectively and correspondingly arranged at the inner sides of the inner clamping grooves (611).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310725901.6A CN116492969B (en) | 2023-06-19 | 2023-06-19 | High conversion preparation facilities of methyl methacrylate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310725901.6A CN116492969B (en) | 2023-06-19 | 2023-06-19 | High conversion preparation facilities of methyl methacrylate |
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| CN116492969B true CN116492969B (en) | 2023-10-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107427A (en) * | 2018-09-12 | 2019-01-01 | 苏州格瑞格登新材料科技有限公司 | A kind of agricultural fertilizer agitating device for avoiding stirring rod from dallying |
| CN111905681A (en) * | 2020-08-13 | 2020-11-10 | 安徽凤阳赛吉元无机材料有限公司 | White carbon black modification equipment |
| CN113680243A (en) * | 2021-10-26 | 2021-11-23 | 山东大业股份有限公司 | Tire bead steel wire chemical plating solution stirring device |
| CN216654392U (en) * | 2021-11-09 | 2022-06-03 | 南通领跑者新材料科技有限公司 | Silver powder product production is with agitated vessel of ejection of compact fast |
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2023
- 2023-06-19 CN CN202310725901.6A patent/CN116492969B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107427A (en) * | 2018-09-12 | 2019-01-01 | 苏州格瑞格登新材料科技有限公司 | A kind of agricultural fertilizer agitating device for avoiding stirring rod from dallying |
| CN111905681A (en) * | 2020-08-13 | 2020-11-10 | 安徽凤阳赛吉元无机材料有限公司 | White carbon black modification equipment |
| CN113680243A (en) * | 2021-10-26 | 2021-11-23 | 山东大业股份有限公司 | Tire bead steel wire chemical plating solution stirring device |
| CN216654392U (en) * | 2021-11-09 | 2022-06-03 | 南通领跑者新材料科技有限公司 | Silver powder product production is with agitated vessel of ejection of compact fast |
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| CN116492969A (en) | 2023-07-28 |
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