CN114768730B - Mixing device for synthesizing dimethyl carbonate by gas phase method carbonyl - Google Patents

Mixing device for synthesizing dimethyl carbonate by gas phase method carbonyl Download PDF

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Publication number
CN114768730B
CN114768730B CN202210490536.0A CN202210490536A CN114768730B CN 114768730 B CN114768730 B CN 114768730B CN 202210490536 A CN202210490536 A CN 202210490536A CN 114768730 B CN114768730 B CN 114768730B
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dimethyl carbonate
fixed
jack
mixing device
wall
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CN114768730A (en
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单文波
刘炎
唐大川
肖招金
汪俊
倪菁华
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Shanghai Huiqian New Material Technology Co ltd
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Shanghai Huiqian New Material Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/0066Stirrers
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/96Esters of carbonic or haloformic acids

Abstract

The invention belongs to the technical field of chemical synthesis, in particular to a mixing device for synthesizing dimethyl carbonate by a gas-phase method, which aims at the problem that the mixing efficiency can not be changed fundamentally by changing the contact area with materials at present. According to the invention, when the related raw materials for synthesizing the dimethyl carbonate are mixed, the raw materials are slowly added from the top end of the feeding pipe, then the raw materials can be uniformly dispersed to each position at the bottom of the barrel under the action of the rotary distributing device, then the materials in the barrel are uniformly mixed under the action of the stirring rod and the extending telescopic plate, the extending length of the telescopic plate can be adjusted by controlling the rotating speed, and then the contact blocking area is changed to change the mixing speed.

Description

Mixing device for synthesizing dimethyl carbonate by gas phase method carbonyl
Technical Field
The invention relates to the technical field of chemical synthesis, in particular to a mixing device for synthesizing dimethyl carbonate by using a gas-phase method carbonyl.
Background
Dimethyl carbonate, molecular formula C3H6O3, structural formula (CH 3O) 2CO. In view of the low toxicity of DMC, it has been listed by European countries as one of nontoxic chemicals in 1992, called "green base chemical raw material", and by several International organizations as nontoxic solvent, it is an environment-friendly organic chemical raw material meeting the requirements of modern "cleaning process".
At present, the main synthetic route for synthesizing the dimethyl carbonate is as follows: phosgene route, carbon monoxide route, carbon dioxide route, urea route, and the like. The carbon monoxide route is divided into a methanol liquid phase oxidation-carbonylation method and a methanol gas phase oxidation-carbonylation method and a nitrous acid ester method. The reaction condition of the nitrous acid ester method is mild, the problem of separation of methanol and DMC (methanol-water-DMC azeotrope) is avoided, and the energy consumption is greatly reduced. The method is carried out in two steps, and the reaction principle is that the first step of generating methyl nitrite from NO, oxygen and methanol is adopted as an intermediate medium, and the second step is a key step, and the methyl carbonate is synthesized through the oxidative carbonylation reaction of gas-phase methyl nitrite.
The traditional mixing device only changes the stirring speed uniformly when the mixing efficiency is changed, the contact area of the stirring blades inside the mixing device is unchanged, and the change effect on the stirring efficiency is very small, so that the contact area can be changed according to the change of the stirring speed, and the aim of improving the mixing efficiency is fulfilled.
Disclosure of Invention
The invention provides a mixing device for synthesizing dimethyl carbonate by a gas-phase method, which aims to solve the problem that the mixing efficiency can not be changed fundamentally by changing the contact area with materials at present.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a mixing device for synthesizing dimethyl carbonate by gas-phase method carbonyl comprises a barrel body with an opening which is in a cylindrical structure integrally, a plurality of equidistant anti-slip clamping grooves are formed in the top end of the circumferential inner wall of the barrel body, a driving box cover with a disc-shaped structure is arranged in the same inner cavity in a clamping manner in the anti-slip clamping grooves, tapered roller bearings which are symmetrical to each other are respectively embedded in the middle parts of the upper surface and the lower surface of the driving box cover, a same feeding pipe is rotationally connected between the two tapered roller bearings, a stirring mechanism is arranged below the driving box cover on the outer wall of the feeding pipe, the stirring mechanism comprises six hexagonal prism frames sleeved on the outer wall of the feeding pipe and close to the upper end and the lower end, six stirring rods which are distributed in a central symmetry manner are fixed between the outer walls of the two hexagonal prism frames, and telescopic plates which can extend in a sliding manner are arranged in the middle of the stirring rods, and the bottom end of the feeding pipe is fixedly provided with a distributing device, so that when relevant raw materials of the synthesized dimethyl carbonate are required to be mixed, the raw materials can be slowly added from the top end of the feeding pipe, then the raw materials can be uniformly dispersed to the positions of the feeding pipe under the action of the rotating distributing device, the action of the distributing device can be uniformly distributed to the telescopic plates under the action of the rotating distributing device, the telescopic plates can be controlled to extend out of the telescopic plates to change the telescopic plates, and the contact speed of the telescopic plates, and the stirring device can be uniformly contacted with the stirring speed can be controlled.
As the preferable scheme in the invention, the top of the driving box cover is embedded with the control panel near the edge, the inner wall of the bottom of the driving box cover is fixed with the driving motor near the edge, and the control end of the driving motor is connected with the signal output end of the control panel through the signal wire, so that the control of the rotating speed of the driving motor and the rapid switching of the positive and negative working state can be realized through the operation of the control panel when the driving box cover is used, and the controllability of the device is improved.
As the preferable scheme in the invention, the conical trough is fixed at the top end of the feeding pipe, and the flaring of the conical trough faces upwards, so that the feeding convenience of the device is improved, and the possibility of spillage is reduced.
As the preferable scheme in the invention, the driven gear is fixed on the circumferential outer wall of the feeding pipe near the top end, the driving gear meshed with the driven gear is fixed on the top end of the output shaft of the driving motor, and the diameter of the driving gear is equal to one fourth of that of the driven gear, so that the feeding pipe can be driven, weak vibration can be generated during the gear meshing period during rotation, and the feeding assisting function is further realized.
As the preferred scheme in the invention, the whole stirring rod is arranged into an arch shape, a guide guard plate is fixed at one side, close to the feeding pipe, of the arch top of the stirring rod, a jack II is arranged at the arch top of the stirring rod, a through jack I is arranged at the side surface of the guide guard plate, the jack I and the jack II are communicated with each other and are connected with the inner wall smoothly, limit grooves are reserved on the inner walls of two opposite sides of the jack I and the jack II of the guide block respectively, a limit post is fixed at one end, far away from the feeding pipe, of the limit groove, the telescopic plate is slidably connected in the jack I and the jack II, a tension spring is fixed at one end, close to the feeding pipe, of the telescopic plate, and a same middle frame is fixed at one end, far away from the telescopic plate, of the tension spring, so that when the feeding pipe drives the whole stirring mechanism to rotate in use, the telescopic plate stretches out at different rotation speeds, the head of the telescopic plate is completely contracted in the jack II and the jack I at normal rotation speed, and the telescopic plate can be thrown out when the rotation speed is required to accelerate stirring.
As the preferable scheme in the invention, plugs are reserved at one sides of the upper end and the lower end of the stirring rod, which are close to the hexagonal prism frame, and positioning grooves matched with the plugs are formed in the surfaces of the hexagonal prism frame, so that the plugs at the end part of the stirring rod can be inserted into the positioning grooves at the side surfaces of the hexagonal prism frame for fixing when the stirring rod is installed, and the stirring rod is convenient to assemble and disassemble.
As the preferable scheme in the invention, the material distributing device comprises a six-edge barrel fixed at the bottom end of the feeding pipe, the six-edge barrel is of a six-edge cylindrical barrel structure with a downward opening, the middle part of the top end of the six-edge barrel is provided with a connecting hole matched with the inner diameter of the feeding pipe, the vertical outer wall of the six-edge barrel is provided with three material distributing plates which are in central symmetry, a single material distributing plate is obliquely arranged, the side surface of the six-edge barrel is provided with three material discharging gaps which are in central symmetry, and a material distributing cone is fixed in the middle of the bottom of the barrel body, so that materials can be ejected to the periphery on the material distributing cone right below when materials fall down at a high speed, the materials can be scattered and even be obliquely upwards thrown under the action of the material distributing plates which are obliquely arranged, and the material mixing effect is improved.
As the preferable scheme in the invention, two mutually parallel studs are fixed at one end of the distributing plate, which is close to the hexagonal barrel, and two strip-shaped holes parallel to the plane of the inclined plane of the distributing plate are formed in the side surface of the hexagonal barrel, the studs respectively sleeve self-locking nuts through the strip-shaped holes, and the sliding space of the distributing plate can be finely adjusted through the arrangement of the strip-shaped holes, so that the bottom end of the distributing plate can be mixed by being adhered to the inner wall of the bottom of the barrel body.
As the preferable scheme in the invention, the outer wall of the feeding pipe is fixedly provided with two arc rods which are distributed in a central symmetry way, one sides of the two arc rods which are opposite are respectively fixedly provided with melon skin poking plates which are distributed in a central symmetry way, and the inner edges of the melon skin poking plates are provided with round corners, so that when the stirring mechanism rotates, the cross section of the arc rods fully contacts an object to be stirred in the forward transmission way, and when the stirring mechanism reversely rotates, the arc rods are arranged in a streamline shape with one side of the melon skin poking plates, thereby reducing resistance and reducing stirring amplitude.
As the preferable scheme in the invention, the inside of the two arc-shaped rods is reserved with the hidden grooves, the side of the two arc-shaped rods, which is opposite to the inside, is provided with the round holes which are distributed equidistantly, the inside of the arc-shaped rods is provided with the sliding grooves which are distributed equidistantly, and the sliding grooves are connected with the extension blocks in a sliding way, so that when the internal medium is liquid in use, substances can be filled in the round holes to eject all the extension blocks when the two arc-shaped rods rotate clockwise, the contact area with the internal medium is increased at the moment, and the mixing effect is improved.
In summary, the beneficial effects in this scheme are:
1. according to the mixing device for synthesizing the dimethyl carbonate by the gas-phase method, through the stirring rod which is provided with the telescopic plate and can extend, when related raw materials of the dimethyl carbonate are required to be mixed, the raw materials are only required to be slowly added from the top end of the feeding pipe, then the raw materials can be uniformly dispersed to each position at the bottom of the barrel under the action of the rotating distributing device, then the materials in the barrel are uniformly mixed under the action of the stirring rod and the extended telescopic plate, the extending length of the telescopic plate can be adjusted by controlling the rotating speed, and then the contact blocking area is changed to change the mixing speed;
2. the mixing device for synthesizing the dimethyl carbonate by the gas-phase method carbonyl can realize the control of the rotating speed of the driving motor and the rapid switching of the positive and negative working states through the operation of the control panel when the mixing device is used by the driving motor controlled by the control panel, and improves the controllability of the device.
3. This kind of a mixing device for gaseous phase method oxo-synthesis dimethyl carbonate through setting up the arc pole of arranging the hidden groove in, can be when the material loading pipe drives whole rabbling mechanism rotation when using, and the length that the expansion plate stretches out is also different under the different rotational speeds, and the head of expansion plate is in jack two and jack one completely under normal rotational speed, when needs to accelerate the stirring, the expansion plate can be thrown out when increasing the rotational speed.
Drawings
FIG. 1 is a schematic cross-sectional view of a mixing device for synthesizing dimethyl carbonate by vapor phase oxo process;
FIG. 2 is a schematic perspective view of a stirring mechanism in a mixing device for synthesizing dimethyl carbonate by gas-phase oxo process;
FIG. 3 is a schematic perspective view of a material distributing device of a mixing device for synthesizing dimethyl carbonate by gas phase oxo process;
FIG. 4 is a schematic diagram showing the structure of an assembly of a distributing device of a mixing device for synthesizing dimethyl carbonate by gas-phase oxo process;
FIG. 5 is a schematic diagram showing the assembly structure of a stirring rod in a mixing device for synthesizing dimethyl carbonate by gas-phase oxo process;
FIG. 6 is a schematic perspective view of a stirring mechanism in a mixing device for synthesizing dimethyl carbonate by gas-phase oxo process according to a second embodiment of the present invention;
FIG. 7 is a schematic diagram showing an assembly structure of a stirring mechanism in a mixing device for synthesizing dimethyl carbonate by gas-phase oxo process according to a second embodiment of the present invention;
fig. 8 is a schematic view of a partial sectional structure of an arc-shaped rod in a mixing device for synthesizing dimethyl carbonate by gas-phase carbonylation according to a second embodiment of the present invention.
In the figure: 1. a tub body; 2. a limit groove; 3. a telescoping plate; 4. a tension spring; 5. a stirring rod; 6. a material dividing plate; 7. a hexagonal barrel; 8. a material dividing cone; 9. a discharging notch; 10. feeding pipes; 11. driving the box cover; 12. an anti-slip clamping groove; 13. a control panel; 14. a driven gear; 15. a conical trough; 16. tapered roller bearings; 17. a drive gear; 18. a driving motor; 19. a stirring mechanism; 20. a material distributing device; 21. a guide guard board; 22. a hexagonal prism frame; 23. a middle frame; 24. a connection hole; 25. a bar-shaped hole; 26. a self-locking nut; 27. a stud; 28. a guide block; 29. a positioning groove; 30. a guide groove; 31. a jack I; 32. a second jack; 33. a limit column; 34. an arc-shaped rod; 35. melon peel pulling plate; 36. round corners; 37. a round hole; 38. a hidden groove; 39. a sliding groove; 40. an extension block.
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.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, a mixing device for synthesizing dimethyl carbonate by gas-phase oxo process comprises a barrel body 1 with an opening upwards and integrally in a cylindrical structure, wherein a plurality of equidistantly distributed anti-slip clamping grooves 12 are formed in the top end of the circumferential inner wall of the barrel body 1, a driving box cover 11 with a disc-shaped structure with inner cavities is clamped in the anti-slip clamping grooves 12, tapered roller bearings 16 which are symmetrical to each other are respectively embedded in the middle parts of the upper surface and the lower surface of the driving box cover 11, a same feeding pipe 10 is rotatably connected between the two tapered roller bearings 16, a stirring mechanism 19 is arranged on the outer wall of the feeding pipe 10 below the driving box cover 11, the stirring mechanism 19 comprises six prismatic frames 22 sleeved on the outer wall of the feeding pipe 10 and close to the upper end and the lower end, six stirring rods 5 which are symmetrically distributed in the center are fixed between the outer walls of the two hexagonal prismatic frames 22, and telescopic plates 3 which can be slidably stretched out are arranged in the middle of the stirring rods 5, and a distributing device 20 is fixed at the bottom end of the feeding pipe 10, so that when relevant raw materials for synthesizing dimethyl carbonate are required to be mixed, the raw materials can be slowly added from the top end of the feeding pipe 10 to the feeding pipe and then uniformly spread out of the telescopic plates 3, the raw materials can be uniformly contacted with the telescopic plates 3 by the stirring device under the conditions, and the stirring device can be controlled to change the rotation speed, and the stirring speed can be uniformly and then reach the stirring speed, and the stirring speed can be controlled.
The top of the driving box cover 11 is embedded with the control panel 13 near the edge, the bottom inner wall of the driving box cover 11 is fixed with the driving motor 18 near the edge, and the control end of the driving motor 18 is connected with the signal output end of the control panel 13 through a signal wire, so that when the driving box cover is used, the control of the rotating speed of the driving motor 18 and the rapid switching of the positive and negative working states can be realized through the operation of the control panel 13, and the controllability of the device is improved.
Wherein, the top of material loading pipe 10 is fixed with toper silo 15, and the flaring of toper silo 15 up, has improved the convenience of device material loading, has reduced the possibility of spilling the hourglass.
Wherein, the circumference outer wall of material loading pipe 10 is close to the top and is fixed with driven gear 14, and the output shaft top of driving motor 18 is fixed with the driving gear 17 with driven gear 14 intermeshing, and the diameter of driving gear 17 equals driven gear 14 quarter, not only can realize the drive to material loading pipe 10, can produce weak vibrations in the gear engagement's during the time of the pivoted moreover, and then has played the effect of supplementary unloading.
Wherein, the whole of puddler 5 sets up to the arch, and the arch top department of puddler 5 is close to one side of material loading pipe 10 and is fixed with direction backplate 21, and the vault of puddler 5 goes out to open and has jack two 32, the side of direction backplate 21 is opened there is jack one 31 that runs through, and jack one 31 and jack two 32 intercommunication and inner wall smooth connection each other, the both sides of expansion plate 3 all reserve and have guide block 28 jack one 31 and jack two opposite both sides inner wall of 32 to open and have spacing groove 2, and spacing groove 2 is kept away from the one end of material loading pipe 10 and is fixed with spacing post 33, expansion plate 3 sliding connection is in jack one 31 and jack two 32, the one end that expansion plate 3 is close to material loading pipe 10 is fixed with extension spring 4, and the one end that extension spring 4 kept away from expansion plate 3 is fixed with same intermediate frame 23, thereby can be when material loading pipe 10 drives whole rabbling mechanism 19 rotation when using, the length that expansion plate 3 stretches out is also different under different rotational speeds, the head of expansion plate 3 is in jack two 32 and jack one 31 completely, when the rotational speed is increased when the rotational speed is needed, can be thrown out by expansion plate 3 when accelerating the rotational speed.
Wherein, the plugs are reserved on one sides of the upper and lower ends of the stirring rod 5, which are close to the hexagonal prism frame 22, and the surface of the hexagonal prism frame 22 is provided with positioning grooves 29 which are matched with the plugs, so that the plugs at the end part of the stirring rod 5 are only required to be inserted into the positioning grooves 29 on the side surface of the hexagonal prism frame 22 for fixing when being installed, and the disassembly and the assembly are convenient.
Wherein, feed divider 20 is including fixing the six prismatic barrels 7 of last material pipe 10 bottom, and six prismatic barrels 7 are the six prismatic barrel structure of opening decurrent, open at the top middle part of six prismatic barrels 7 has the connecting hole with the internal diameter looks adaptation of last material pipe 10, and the vertical outer wall of six prismatic barrels 7 is provided with three and is central symmetry's branch flitch 6, single branch flitch 6 is the slope setting, and open the side of six prismatic barrels 7 has three and is central symmetry's ejection of compact breach 9, be fixed with branch material cone 8 in the middle of the bottom of staving 1, thereby can be in the in-process of unloading, smash on branch material cone 8 under the material high-speed falls down and can be to all around, discharge in the ejection of compact breach 9 that follow side set up immediately, afterwards can break up the material even with it slant upward to throw up under the effect of the branch flitch 6 that the slope set up again, the compounding effect has been improved.
Wherein, the one end that divide flitch 6 to be close to six arriss barrels 7 is fixed with two double-screw bolts 27 that are parallel to each other, and the side of six arriss barrels 7 open have two bar holes 25 that are parallel with the plane that divides flitch 6 inclined plane to be located, and self-locking nut 26 has been cup jointed respectively to double-screw bolt 27 through bar hole 25, can finely tune the gliding space that divides flitch 6 through the setting of bar hole 25, and then let the bottom that divides flitch 6 can carry out the compounding along the bottom inner wall of staving 1.
Working principle: when the related raw materials of the synthetic dimethyl carbonate are required to be mixed, the raw materials are only required to be slowly added from the top end of the feeding pipe 10, then the raw materials can be uniformly dispersed to each position at the bottom of the barrel under the action of the rotary distributing device, then the materials in the barrel are uniformly mixed under the action of the stirring rod 5 and the extending telescopic plate 3, the extending length of the telescopic plate 3 can be adjusted by controlling the rotating speed, and then the contact blocking area is changed to change the mixing speed.
Example 2
Referring to fig. 6-8, a mixing device for synthesizing dimethyl carbonate by gas-phase oxo process is disclosed, in this embodiment, compared with embodiment 1, further comprising a barrel body 1 with an opening up and a cylindrical structure integrally, a plurality of equidistant anti-slip clamping grooves 12 are formed on the top end of the circumferential inner wall of the barrel body 1, a driving box cover 11 with a disc-shaped structure with a cavity is clamped in the same anti-slip clamping groove 12, tapered roller bearings 16 which are symmetrical with each other are respectively embedded in the middle parts of the upper surface and the lower surface of the driving box cover 11, the same feeding tube 10 is rotationally connected between the two tapered roller bearings 16, a stirring mechanism 19 is arranged below the driving box cover 11 on the outer wall of the feeding tube 10, the stirring mechanism 19 comprises six hexagonal prism frames 22 sleeved on the outer wall of the feeding tube 10 and close to the upper end and the lower end, six stirring rods 5 which are distributed in a central symmetry are fixed between the outer walls of the two hexagonal prism frames 22, a telescopic plate 3 which can be slidably extended out is arranged in the middle of the stirring rod 5, a distributing device 20 is fixed at the bottom end of the feeding tube 10, thus the rotating speed of the relevant raw materials for synthesizing dimethyl carbonate can be slowly controlled to be gradually changed by the length of the telescopic plate 3 after the raw materials are uniformly mixed, and the raw materials can be slowly contacted with the telescopic plate 3 at the top end of the bottom end of the stirring device, and the stirring device can be slowly contacted with the bottom and the bottom end of the stirring device by the stirring device.
The top of the driving box cover 11 is embedded with the control panel 13 near the edge, the bottom inner wall of the driving box cover 11 is fixed with the driving motor 18 near the edge, and the control end of the driving motor 18 is connected with the signal output end of the control panel 13 through a signal wire, so that when the driving box cover is used, the control of the rotating speed of the driving motor 18 and the rapid switching of the positive and negative working states can be realized through the operation of the control panel 13, and the controllability of the device is improved.
Wherein, the top of material loading pipe 10 is fixed with toper silo 15, and the flaring of toper silo 15 up, has improved the convenience of device material loading, has reduced the possibility of spilling the hourglass.
Wherein, the circumference outer wall of material loading pipe 10 is close to the top and is fixed with driven gear 14, and the output shaft top of driving motor 18 is fixed with the driving gear 17 with driven gear 14 intermeshing, and the diameter of driving gear 17 equals driven gear 14 quarter, not only can realize the drive to material loading pipe 10, can produce weak vibrations in the gear engagement's during the time of the pivoted moreover, and then has played the effect of supplementary unloading.
Wherein, feed divider 20 is including fixing the six prismatic barrels 7 of last material pipe 10 bottom, and six prismatic barrels 7 are the six prismatic barrel structure of opening decurrent, open at the top middle part of six prismatic barrels 7 has the connecting hole with the internal diameter looks adaptation of last material pipe 10, and the vertical outer wall of six prismatic barrels 7 is provided with three and is central symmetry's branch flitch 6, single branch flitch 6 is the slope setting, and open the side of six prismatic barrels 7 has three and is central symmetry's ejection of compact breach 9, be fixed with branch material cone 8 in the middle of the bottom of staving 1, thereby can be in the in-process of unloading, smash on branch material cone 8 under the material high-speed falls down and can be to all around, discharge in the ejection of compact breach 9 that follow side set up immediately, afterwards can break up the material even with it slant upward to throw up under the effect of the branch flitch 6 that the slope set up again, the compounding effect has been improved.
The outer wall of the feeding pipe 10 is fixed with two arc rods 34 which are distributed in a central symmetry mode, one sides of the two arc rods 34 which are opposite are respectively fixed with melon skin poking plates 35 which are distributed in a central symmetry mode, and round corners 36 are chamfered at the inner edges of the melon skin poking plates 35, so that when the stirring mechanism 19 rotates, the cross sections of the arc rods 34 are fully contacted with an object to be stirred in the forward transmission mode, and when the stirring mechanism reversely rotates, the stirring mechanism is streamline-shaped with one side of the melon skin poking plates 35, resistance can be reduced, and stirring amplitude is reduced.
Wherein, the inside of two arc poles 34 all is reserved has the hidden groove 38, and the round hole 37 that the equidistance distributes is all opened to the one side that two arc poles 34 are on the back side each other, and the inboard of arc pole 34 is opened has the sliding tray 39 that the equidistance distributes, and all sliding connection has extension piece 40 in the sliding tray 39, thereby can be when the inside medium is liquid when using, the material can be with all extension pieces 40 ejecting to the filling material in round hole 37 when two arc poles 34 clockwise rotation this moment, increase the area of contact with inside medium this moment, improve the mixing effect.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a mixing arrangement for gaseous phase oxo synthesis dimethyl carbonate, includes staving (1) that the opening is whole cylindrical structure that appears upwards, the circumference inner wall of staving (1) is located the top and opens and have a plurality of equidistant anti-skidding draw-in grooves (12) that distribute, and the joint has drive case lid (11) that establish the bore cavity and be discoid structure in same in anti-skidding draw-in groove (12), the upper and lower surface middle part of drive case lid (11) is inlayed respectively and is equipped with tapered roller bearing (16) of symmetry each other, and rotates between two tapered roller bearing (16) and be connected with same material loading pipe (10), characterized in that, the outer wall of material loading pipe (10) is located the below of drive case lid (11) and is provided with rabbling mechanism (19), and rabbling mechanism (19) are fixed with six lifter bars (5) that are central symmetry distribution including cup jointing at the outer wall of material loading pipe (10) between the outer wall of two hexagonal prism frames (22), and the bottom of lifter bar (5) is provided with telescopic plate (3) that can slide and material loading pipe (10) is fixed with material loading device (20 branch;
the whole stirring rod (5) is arranged into an arch shape, one side, close to the feeding pipe (10), of the arch top of the stirring rod (5) is fixedly provided with a guide guard plate (21), a jack II (32) is arranged on the arch top of the stirring rod (5), a through jack I (31) is arranged on the side face of the guide guard plate (21), the jack I (31) and the jack II (32) are mutually communicated and the inner walls are smoothly connected, guide blocks (28) are reserved on two sides of the telescopic plate (3), guide grooves (30) matched with the guide blocks (28) are arranged on the inner walls of two opposite sides of the jack I (31), limit grooves (2) are respectively arranged on the inner walls of two opposite sides of the jack II (32), one end, far away from the feeding pipe (10), of the limit groove (2) is fixedly provided with a limit post (33), the telescopic plate (3) is slidingly connected in the jack I (31) and the jack II (32), two ends, close to one end, close to the upper end, of the telescopic plate (3), of the telescopic plate (10), of the telescopic plate (3) is fixedly provided with tension springs (4), and the same end, far from the middle tension springs (4), are arranged on the telescopic plate (4).
Plugs are reserved on one sides, close to the hexagonal prism frames (22), of the upper end and the lower end of the stirring rod (5), and positioning grooves (29) matched with the plugs are formed in the surfaces of the hexagonal prism frames (22).
2. The mixing device for synthesizing dimethyl carbonate by using a gas-phase method according to claim 1, wherein a control panel (13) is embedded at the top of the driving box cover (11) near the edge, a driving motor (18) is fixed at the bottom inner wall of the driving box cover (11) near the edge, and the control end of the driving motor (18) is connected with the signal output end of the control panel (13) through a signal wire.
3. The mixing device for synthesizing the dimethyl carbonate by using the gas-phase method according to claim 2, wherein a conical trough (15) is fixed at the top end of the feeding pipe (10), and the flaring of the conical trough (15) faces upwards.
4. A mixing device for synthesizing dimethyl carbonate by gas phase method according to claim 3, wherein the peripheral outer wall of the feeding pipe (10) is fixed with a driven gear (14) near the top end, and the top end of the output shaft of the driving motor (18) is fixed with a driving gear (17) meshed with the driven gear (14), and the diameter of the driving gear (17) is equal to one quarter of the diameter of the driven gear (14).
5. The mixing device for synthesizing dimethyl carbonate by using a gas-phase method according to claim 1, wherein the material distributing device (20) comprises a hexagonal barrel (7) fixed at the bottom end of a feeding pipe (10), the hexagonal barrel (7) is of a hexagonal barrel structure with a downward opening, a connecting hole (24) matched with the inner diameter of the feeding pipe (10) is formed in the middle of the top end of the hexagonal barrel (7), three material distributing plates (6) with central symmetry are arranged on the vertical outer wall of the hexagonal barrel (7), the single material distributing plates (6) are obliquely arranged, three material discharging gaps (9) with central symmetry are formed in the side face of the hexagonal barrel (7), and a material distributing cone (8) is fixed in the middle of the bottom of the barrel body (1).
6. The mixing device for synthesizing dimethyl carbonate by using a gas-phase method according to claim 5, wherein two mutually parallel studs (27) are fixed at one end of the distributing plate (6) close to the hexagonal barrel (7), two strip-shaped holes (25) parallel to the plane of the inclined plane of the distributing plate (6) are formed in the side surface of the hexagonal barrel (7), and the studs (27) penetrate through the strip-shaped holes (25) and are respectively sleeved with self-locking nuts (26).
7. The mixing device for synthesizing dimethyl carbonate by gas phase method according to claim 1, wherein the outer wall of the feeding pipe (10) is fixed with two arc rods (34) which are distributed in a central symmetry manner, one sides of the two arc rods (34) which are opposite are respectively fixed with melon peel poking plates (35) which are distributed in a central symmetry manner, and round corners (36) are chamfered at the inner edges of the melon peel poking plates (35).
8. The mixing device for synthesizing dimethyl carbonate by using a gas-phase method according to claim 7, wherein hidden grooves (38) are reserved in the two arc-shaped rods (34), round holes (37) distributed equidistantly are formed in the opposite sides of the two arc-shaped rods (34), sliding grooves (39) distributed equidistantly are formed in the inner sides of the arc-shaped rods (34), and extension blocks (40) are connected in the sliding grooves (39) in a sliding mode.
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