Purification preparation facilities of solid sodium methoxide
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a purification and preparation device for solid sodium methoxide.
Background
Sodium methoxide is a dangerous chemical, has corrosivity and spontaneous combustibility, and is mainly used as a condensing agent, a chemical reagent, a catalyst for treating edible oil and fat and the like in the pharmaceutical industry and organic synthesis.
The sodium methoxide is prepared by utilizing solid sodium hydroxide and methanol according to a certain proportion, after the sodium methoxide is stirred and dissolved, solid impurities are removed through precipitation and clarification, clear liquid is pumped into the top of a reaction dehydration tower by a pump, refined methanol steam is added into the tower from the bottom of the tower for continuous reaction and dehydration, a product is obtained from the bottom of the tower, hydrous methanol steam comes out from the top of the tower and then enters a rectification system for refining, and anhydrous methanol is returned for use.
At present, after solid sodium hydroxide and methanol are stirred and dissolved, in the precipitation process, the mixed solution needs to be stood for precipitation for 7 to 12 hours, and the precipitation process is slow, so that the mass production of sodium methoxide is not facilitated.
Disclosure of Invention
Based on the facts that after solid sodium hydroxide and methanol are stirred and dissolved at present, in the process of precipitation, mixed liquor needs to be kept stand for precipitation for 7-12 hours, the precipitation process is slow, and mass production of sodium methoxide is not facilitated, the invention provides a purification preparation device of solid sodium methoxide.
The invention provides a purification preparation device of solid sodium methoxide, which comprises a precipitation cylinder, wherein an inner ring seat is arranged inside the precipitation cylinder, the outer wall of the inner ring seat is fixedly connected with a plurality of function stations which are distributed at equal intervals in a circumferential manner, an annular support frame is fixedly connected between the two function stations, the outer wall of the lower side of the annular support frame is fixedly connected with a support rod, the other end of the support rod is fixedly connected with a vibration box, the outer wall of one side of the vibration box is provided with a rectangular groove, the inner wall of the rectangular groove is movably connected with an ultrasonic generator, one side of the ultrasonic generator is in contact with the outer wall of the precipitation cylinder, the inner wall of the rectangular groove of the vibration box is provided with a circular groove, the inner wall of the circular groove is fixedly connected with a first hydraulic rod, and the other end of the first hydraulic rod is fixedly connected with the outer wall of one side of the ultrasonic generator.
Preferably, a plurality of annular grooves are formed in the outer wall of the inner ring seat, the annular grooves are distributed at equal intervals in the circumferential direction, annular rotating shafts are fixedly connected between the inner walls of the two sides of the annular grooves, the outer wall of each annular rotating shaft is movably connected with a shaft barrel, a rubber layer is adhered to the outer wall of each shaft barrel, an inner groove is formed in the inner wall of each settling barrel, and the outer wall of each shaft barrel is movably connected with the inner wall of each inner groove.
Preferably, it is a plurality of all be provided with the side seat below the function platform, one side outer wall fixedly connected with backplate of side seat, the same sliding seat of upside outer wall fixedly connected with of side seat and backplate, and the spout has been seted up to the bottom of function platform, sliding seat and spout inner wall swing joint.
Preferably, a circular groove is formed in the outer wall of one side of the functional table, an electric motor is fixedly connected to the inner wall of the circular groove, the output end of the electric motor is connected with a lead screw through a coupler, and the other end of the lead screw penetrates through the movable seat and is movably connected with the inner wall of the sliding groove of the functional table.
Preferably, the rectangular channel of two symmetries is seted up to one side outer wall of function platform, equal fixedly connected with bull stick between the upper and lower both sides inner wall of two rectangular channels, and the outer wall swing joint of bull stick has a plurality of splint, and a plurality of splint are the equidistance and distribute, and one side outer wall material of a plurality of splint is rubber, the equal fixedly connected with spacing spring of the opposite side outer wall of a plurality of splint, spacing spring's the other end and one side outer wall fixed connection of backplate.
Preferably, the upside outer wall fixedly connected with plywood of inner ring seat, the bottom outer wall of plywood and the equal fixed connection of the upside outer wall of a plurality of function platforms, the top of plywood are provided with the footstock, a plurality of side bearers of the upside outer wall fixedly connected with of footstock, and a plurality of side bearers are circumference equidistance and distribute, and the equal fixedly connected with second hydraulic stem of the downside outer wall of a plurality of side bearers, the other end of second hydraulic stem and the upside outer wall fixed connection of footstock.
Preferably, the three bracing piece of one side outer wall fixedly connected with of footstock, three bracing piece are circumference equidistance and distribute, and the same footstock of other end fixedly connected with of three bracing piece, and the downside outer wall fixedly connected with bracing piece of footstock.
Preferably, the other end of the supporting rod is fixedly connected with a base, and a ring sleeve is arranged outside the base.
Preferably, a filtering layer is arranged between the base and the ring sleeve, the filtering layer is a multi-layer filtering net, the outer wall of the ring sleeve is provided with an annular groove, and the inner wall of the annular groove is provided with a sponge pad.
Preferably, the inside a plurality of inner plates that are provided with of ring channel of ring cover, a plurality of inner plates are circumference equidistance and distribute, a plurality of extension springs of one side outer wall fixedly connected with of a plurality of inner plates, a plurality of extension springs's the other end and the ring channel inner wall fixed connection of ring cover, and a plurality of quarter butts of the opposite side outer wall fixedly connected with of a plurality of inner plates, the equal fixedly connected with in top of a plurality of quarter butts pushes away the ball.
The beneficial effects of the invention are as follows:
1. according to the invention, through the arrangement of the sedimentation cylinder, the inner ring seat, the function table, the annular support frame, the support rod, the vibration box and the ultrasonic generator, when the mixed liquid in the sedimentation cylinder is subjected to sedimentation operation, the inner ring seat is arranged on the sedimentation cylinder, the first hydraulic rod pushes the ultrasonic generator to move outwards in the vibration box until the ultrasonic generator is contacted with the outer wall of the sedimentation cylinder, and then in the sedimentation process, the ultrasonic generator is electrified to work to drive the sedimentation cylinder to vibrate integrally at low frequency, so that the solid in the sedimentation cylinder is assisted to descend, and the sedimentation process is accelerated; the device utilizes supersonic generator to drive the precipitation cylinder to vibrate at low frequency, so as to promote the solid in the precipitation cylinder to descend, improve the precipitation effect in the precipitation cylinder and shorten the whole precipitation time.
2. According to the invention, the inner ring seat is placed in the sedimentation cylinder through the annular rotating shaft, the shaft cylinder and the inner groove, the shaft cylinder is contacted with the outer wall of the inner groove in the placing process, and the shaft cylinder rotates in the downward moving process of the inner ring seat, so that the moving smoothness of the inner ring seat is ensured; the smooth nature when utilizing the beam barrel of inner ring seat outer wall to guarantee that the inner ring seat removes in deposiing a section of thick bamboo, the rubber material of beam barrel outer wall has avoided removing the fish tail of in-process inner groove outer wall simultaneously, improves the life of device.
3. According to the invention, through the arrangement of the side seat, the back plate, the movable seat, the clamping plates and the limiting spring, after the inner ring seat is placed in the precipitation cylinder, the motor drives the screw rod to rotate, the movable seat is driven to move in the functional table, so that the side seat is close to the precipitation cylinder, the clamping plates are in contact with the cylinder wall of the precipitation cylinder, along with the continuous movement, the angle between two adjacent clamping plates is increased, the clamping plates provide pressure to enable the limiting spring to generate elastic deformation, and meanwhile, the limiting spring provides a reaction force to enable the contact degree between the clamping plates and the precipitation cylinder to be increased, so that the fixation of the inner ring seat is completed; the lead screw is utilized to drive the movable seat to move, so that the position of the movable seat is convenient to adjust, and the subsequent clamping process is ensured; the splint that utilize the rubber material avoid causing the damage to the outer wall of a sediment section of thick bamboo in the centre gripping process, utilize spacing spring to cushion between splint and the sediment section of thick bamboo at the centre gripping, utilize the reaction force behind the spacing spring elastic deformation to provide splint thrust simultaneously, improve the centre gripping effect, guarantee that the inner ring seat places the stability after fixing.
4. According to the invention, through the side frame, the second hydraulic rod, the top platform, the base, the filter layer, the ring sleeve and the sponge pad, after the precipitation operation is finished, the second hydraulic rod is contracted to enable the top platform to descend, so that the base enters the interior of the precipitation cylinder, the sponge pad is contacted and extruded with the inner wall of the precipitation cylinder, and along with the continuous descending of the base, clear liquid can be positioned above the base through the filter layer, and precipitates and solid impurities stay below the filter layer; the position of the top seat is adjusted by using the second hydraulic rod, so that the auxiliary filtering operation during the subsequent clear liquid extraction is facilitated; the liquid precipitated in the precipitation cylinder is filtered and separated by the filter layer from top to bottom, so that the clear liquid can be conveniently pumped and separated by the water pump, meanwhile, the ultrasonic generator works together with the filter layer to accelerate the flow of the clear liquid, prevent solid from blocking filter holes of the filter layer, improve the filtering effect, and the sponge cushion ensures the sealing effect of the filter layer and the inner wall of the precipitation cylinder by utilizing the elastic property of the sponge cushion and is beneficial to the overall movement of the base; utilize extension spring elastic deformation's reaction force to cause the inner panel to remove for thrust is applyed in the foam-rubber cushion to the pushing ball, further improves the sealed effect of foam-rubber cushion and a sediment section of thick bamboo inner wall, avoids the solid to get into the purity that the top clear liquid reduces sodium methoxide.
Drawings
Fig. 1 is a schematic partial structure diagram of a purification and preparation apparatus for solid sodium methoxide according to the present invention;
fig. 2 is a schematic structural diagram of a functional table of a purification and preparation apparatus for solid sodium methoxide according to the present invention;
FIG. 3 is a schematic bottom view of an apparatus for purifying and preparing sodium methoxide;
fig. 4 is a schematic sectional view showing a separation structure of a precipitation cylinder of the purification and preparation apparatus for solid sodium methoxide provided by the present invention;
fig. 5 is a schematic view of the overall structure of a purification and preparation apparatus for solid sodium methoxide according to the present invention;
fig. 6 is a schematic view of a disassembled structure at a base of the device for purifying and preparing solid sodium methoxide provided by the present invention.
In the figure: 1. a settling cylinder; 2. an inner ring seat; 3. a function table; 4. an annular support frame; 5. a strut; 6. a vibration box; 7. an ultrasonic generator; 8. a first hydraulic lever; 9. an annular rotating shaft; 10. a shaft cylinder; 11. an inner tank; 12. a side seat; 13. a back plate; 14. a movable seat; 15. an electric motor; 16. a lead screw; 17. a rotating rod; 18. a splint; 19. a limiting spring; 20. laminating the board; 21. a top seat; 22. a side frame; 23. a second hydraulic rod; 24. a support bar; 25. a top stage; 26. a support bar; 27. a base; 28. sleeving a ring; 29. a filter layer; 30. a sponge cushion; 31. an inner plate; 32. an extension spring; 33. a short bar; 34. and (5) pushing the ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A purification preparation device of solid sodium methoxide is shown in figures 1 and 4, and comprises a precipitation cylinder 1, an inner ring seat 2 is arranged inside the precipitation cylinder 1, the outer wall of the inner ring seat 2 is connected with a plurality of functional tables 3 through bolts, and a plurality of function platforms 3 are distributed in a circumferential equidistant way, an annular supporting frame 4 is connected between the two function platforms 3 through bolts, the outer wall of the lower side of the annular supporting frame 4 is connected with a supporting rod 5 through bolts, the other end of the supporting rod 5 is connected with a vibration box 6 through a bolt, the outer wall of one side of the vibration box 6 is provided with a rectangular groove, the inner wall of the rectangular groove is connected with an ultrasonic generator 7 in a sliding way, one side of the ultrasonic generator 7 is contacted with the outer wall of the sedimentation cylinder 1, the inner wall of the rectangular groove of the vibration box 6 is provided with a circular groove, the inner wall of the circular groove is connected with a first hydraulic rod 8 through a bolt, and the other end of the first hydraulic rod 8 is fixedly connected with the outer wall of one side of the ultrasonic generator 7 through a bolt.
Further, as shown in fig. 1 and 4, a plurality of ring grooves are formed in the outer wall of the inner ring seat 2, the ring grooves are distributed at equal intervals, an annular rotating shaft 9 is connected between the inner walls of the two sides of the ring grooves through bolts, the outer wall of the annular rotating shaft 9 is connected with a shaft barrel 10 in a rotating mode through a bearing, a rubber layer is adhered to the outer wall of the shaft barrel 10, the inner groove 11 is formed in the inner wall of the sedimentation barrel 1, the outer wall of the shaft barrel 10 is movably connected with the inner wall of the inner groove 11, smoothness of the inner ring seat 2 in the movement of the sedimentation barrel 1 is guaranteed by the shaft barrel 10 on the outer wall of the inner ring seat 2, meanwhile, the rubber material on the outer wall of the shaft barrel 10 avoids scratching the outer wall of the inner groove 11 in the movement process, and the service life of the device is prolonged.
Furthermore, as shown in fig. 2 and 3, side seats 12 are disposed below the plurality of function stations 3, an outer wall of one side of each side seat 12 is connected with a back plate 13 through a bolt, outer walls of upper sides of the side seats 12 and the back plate 13 are connected with the same movable seat 14 through bolts, a sliding groove is formed in the bottom of each function station 3, and each movable seat 14 is slidably connected with an inner wall of the corresponding sliding groove; a circular groove is formed in the outer wall of one side of the functional table 3, the inner wall of the circular groove is connected with a motor 15 through a bolt, the output end of the motor 15 is connected with a lead screw 16 through a coupler, the other end of the lead screw 16 penetrates through the movable seat 14 to be rotatably connected with the inner wall of the sliding groove of the functional table 3, the lead screw 16 is used for driving the movable seat 14 to move, the position of the movable seat 14 is convenient to adjust, and the subsequent clamping process is guaranteed; the rectangular channel of two symmetries is seted up to one side outer wall of function platform 3, all there is bull stick 17 through bolted connection between the upper and lower both sides inner wall of two rectangular channels, a plurality of splint 18 have been cup jointed to the outer wall of bull stick 17, a plurality of splint 18 are the equidistance and distribute, and one side outer wall material of a plurality of splint 18 is rubber, the opposite side outer wall of a plurality of splint 18 all has limiting spring 19 through bolted connection, limiting spring 19's the other end passes through bolted connection with one side outer wall of backplate 13, splint 18 who utilizes rubber material avoids causing the damage to the outer wall of sedimentation cylinder 1 in the clamping process, utilize limiting spring 19 to cushion between splint 18 and sedimentation cylinder 1 at the centre gripping, the reaction force after utilizing limiting spring 19 elastic deformation provides splint 18 thrust simultaneously, the centre gripping effect is improved, guarantee that inner ring seat 2 places the stability after fixing.
Furthermore, as shown in fig. 4 and 5, the outer wall of the upper side of the inner ring seat 2 is connected with a layer plate 20 through bolts, the outer wall of the bottom of the layer plate 20 is connected with the outer walls of the upper sides of the plurality of function stations 3 through bolts, a top seat 21 is arranged above the layer plate 20, the outer wall of the upper side of the top seat 21 is connected with a plurality of side frames 22 through bolts, the plurality of side frames 22 are distributed in a circumferential equidistant manner, the outer walls of the lower sides of the plurality of side frames 22 are connected with second hydraulic rods 23 through bolts, the other ends of the second hydraulic rods 23 are connected with the outer wall of the upper side of the top seat 21 through bolts, and the position of the top seat 21 is adjusted by using the second hydraulic rods 23, so as to facilitate auxiliary filtering operation during subsequent clear liquid extraction; the outer wall of one side of footstock 21 has three bracing piece 24 through bolted connection, and three bracing piece 24 is circumference equidistance and distributes, and the other end of three bracing piece 24 has same footstock 25 through bolted connection, and the downside outer wall of footstock 25 has pressure bracing piece 26 through bolted connection.
Further, as shown in fig. 4 and 6, the other end of the support bar 26 is connected to a base 27 by a bolt, and a ring 28 is provided on the outside of the base 27; a filtering layer 29 is arranged between the base 27 and the ring sleeve 28, the filtering layer 29 is provided with a plurality of layers of filtering screens, the outer wall of the ring sleeve 28 is provided with an annular groove, the inner wall of the annular groove is provided with a sponge pad 30, the filtering layer 29 is used for filtering and separating liquid precipitated in the sedimentation cylinder 1 from top to bottom, a water pump is convenient for pumping and separating clear liquid, meanwhile, the ultrasonic generator 7 is matched with the filtering layer 29 to work, the flowing of the clear liquid is accelerated, the blockage of solid on filtering holes of the filtering layer 29 is avoided, the filtering effect is improved, the sponge pad 30 ensures the sealing effect of the filtering layer 29 and the inner wall of the sedimentation cylinder 1 by using the elastic property of the sponge pad 30, and the integral movement of the base 27 is facilitated; ring sleeve 28's ring channel inside is provided with a plurality of inner panels 31, a plurality of inner panels 31 are circumference equidistance and distribute, there are a plurality of extension springs 32 on the outer wall of one side of a plurality of inner panels 31 through bolted connection, there is bolted connection a plurality of extension springs 32 the other end of a plurality of extension springs 32 and ring sleeve 28's ring channel inner wall, and there are a plurality of quarter butt 33 on the opposite side outer wall of a plurality of inner panels 31 through bolted connection, there is ball 34 on the top of a plurality of quarter butt 33 all through bolted connection, the reaction force that utilizes extension springs 32 elastic deformation causes inner panel 31 to remove, make ball 34 of pushing away exert thrust in foam-rubber cushion 30, further improve the sealed effect of foam-rubber cushion 30 and 1 inner wall of sedimentation cylinder, avoid the solid to get into the purity that the top clear liquid reduces sodium methoxide.
When the mixed liquid in the sedimentation cylinder 1 is sedimentated, the inner ring seat 2 is placed in the sedimentation cylinder 1, the shaft cylinder 10 is in contact with the outer wall of the inner groove 11 in the sedimentation process, the shaft cylinder 10 rotates in the downward movement process of the inner ring seat 2, the fluency of the movement of the inner ring seat 2 is ensured, after the sedimentation cylinder 1 is placed, the motor 15 drives the lead screw 16 to rotate, the movable seat 14 is driven to rotate the inner part of the functional table 3, so that the side seat 12 approaches the sedimentation cylinder 1, the clamping plates 18 are in contact with the cylinder wall of the sedimentation cylinder 1, the angle between two adjacent clamping plates 18 is increased along with the continuous movement, the clamping plates 18 provide pressure to enable the limiting springs 19 to generate elastic deformation, meanwhile, the limiting springs 19 provide reaction force to enable the contact degree between the clamping plates 18 and the sedimentation cylinder 1 to be increased, so as to complete the fixation of the inner ring seat 2, then, the first hydraulic rod 8 pushes the ultrasonic generator 7 to move outwards in the vibration box 6, until the ultrasonic generator 7 contacts with the outer wall of the sedimentation cylinder 1, then in the sedimentation process, the ultrasonic generator 7 is electrified to work to drive the sedimentation cylinder 1 to vibrate at low frequency integrally, the solid in the auxiliary sedimentation cylinder 1 descends, the sedimentation process is accelerated, after the sedimentation operation is finished, the second hydraulic rod 23 contracts to enable the top platform 25 to descend, so that the base 27 enters the sedimentation cylinder 1, the sponge cushion 30 contacts and extrudes with the inner wall of the sedimentation cylinder 1, along with the continuous descending of the base 27, clear liquid can pass through the filter layer 29 and is positioned above the base 27, and sediment and solid impurities stay below the filter layer 29, in the process, the ultrasonic generator 7 works to drive the sedimentation cylinder 1 to vibrate at high frequency, the vibration process can accelerate the flowing of the clear liquid, meanwhile, the sediment blocking the filter holes of the filter layer 29 falls in an auxiliary manner, and the filter effect of the filter layer 29 is ensured, the clear liquid above the filter layer 29 is pumped by a liquid pump and conveyed to the dehydration tower.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.