CN210496431U - High-efficient type grignard reagent production reation kettle - Google Patents
High-efficient type grignard reagent production reation kettle Download PDFInfo
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- CN210496431U CN210496431U CN201921444449.1U CN201921444449U CN210496431U CN 210496431 U CN210496431 U CN 210496431U CN 201921444449 U CN201921444449 U CN 201921444449U CN 210496431 U CN210496431 U CN 210496431U
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Abstract
The utility model discloses a high-efficient type grignard reagent production reation kettle, including the reation kettle body, the reaction chamber is installed to the inboard of the reation kettle body, through setting up first liquid feed inlet and second liquid feed inlet, makes sealed conversion convenient between the feed inlet, reduces the condition that has the air to sneak into after traditional liquid feed inlet is opened, influences the normal clear of reaction, makes the grignard reagent purity of reaction preparation higher, improves the efficiency of reaction simultaneously; by arranging the water valve and the cooling circulation water tank, the cooling circulation water tank can quickly cool water, so that a large amount of water is reduced, water resources are saved, the cooling is conveniently and quickly carried out, the water forms circulation supply through the control of the water valve, and the effects of quickly cooling and improving the reaction efficiency are achieved; through setting up two puddlers for stirring leaf on two puddlers is crisscross fixed, conveniently stirs the reactant, makes magnesium bits and anhydrous ether fully contact reaction, thereby improves the efficiency of reaction.
Description
Technical Field
The utility model relates to a grignard reagent production reation kettle technical field specifically is a high-efficient type grignard reagent production reation kettle.
Background
Grignard reagents, abbreviated as "Grignard reagents", are organometallic compounds containing magnesium halides, belong to nucleophilic reagents because of containing carbanions, and are found by France chemists Victoria. Grignard reagents are very useful in organic synthesis, so that various commercially available Grignard reagents exist;
however, the grignard reagent production reaction kettle in the current market is not provided with a liquid feeding hole for sealing and conversion, so that the anhydrous ether is easy to mix with air during adding, and the purity and the speed of the reaction are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-efficient type grignard reagent production reation kettle can effectively solve and propose grignard reagent production reation kettle on the existing market in the above-mentioned background art and not set up the liquid feed inlet of sealed conversion for anhydrous ether sneaks into the air easily when adding, influences the purity of reaction and the problem of speed.
In order to achieve the above object, the utility model provides a following technical scheme: a reaction kettle for producing a high-efficiency Grignard reagent comprises a reaction kettle body, wherein a reaction cavity is mounted on the inner side of the reaction kettle body, a heating cavity is formed between the reaction kettle body and the reaction cavity, an annular water distribution pipe is surrounded at the top of the heating cavity, water outlet holes are uniformly formed in the bottom of the annular water distribution pipe, a water inlet pipe is glued to the top of the reaction kettle body, the top end of the water inlet pipe is rotatably connected with a water inlet, the top end of the water inlet pipe is rotatably connected with a water valve, the bottom end of the water inlet pipe is rotatably connected with a cooling circulation water tank, the bottom end of the cooling circulation water tank is rotatably connected with a water outlet pipe, a first liquid feed port is welded to the top end of the reaction kettle body, a first sealing baffle is welded to the top end of the first liquid feed port, a second sealing baffle is clamped at the top end of the first sealing baffle, the welding of second seal baffle's top has the second liquid feed inlet, the both sides welding that second seal baffle is close to the second liquid feed inlet has the gag lever post.
Preferably, the top of the reaction kettle body is rotated and is connected with the driving gear, the top of driving gear is rotated and is connected with the motor, motor input end electric connection external power source the outside meshing of driving gear is connected with driven gear, driven gear's bottom is rotated and is connected with the puddler, the outside welding of puddler has the stirring leaf, there is one-way vacuum pump at the top of reaction chamber through bolt fixed mounting, the bottom welding of reaction chamber has the discharging pipe, the top welding of the reaction kettle body has the solid feed inlet.
Preferably, one end of the water outlet pipe, which is far away from the cooling circulation water tank, is fixed with the bottom end of the reaction kettle body through arc welding.
Preferably, scribble lubricating oil between driving gear and the driven gear, driven gear and puddler are provided with two respectively, two the stirring leaf outside the puddler is crisscross fixed.
Preferably, the round hole has all been seted up with the parallel and level face of first seal baffle and first liquid feed inlet and the parallel and level face of first seal baffle and second liquid feed inlet, the spout has been seted up to one side that first seal baffle is close to the gag lever post, and spout length is half of first seal baffle length.
Preferably, the top of first liquid feed inlet and the bottom of second liquid feed inlet all are glued and are had the sealing washer.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. by arranging the first liquid feeding hole and the second liquid feeding hole, the feeding holes are convenient to seal and convert, the phenomenon that air is mixed after the traditional liquid feeding hole is opened to influence the normal operation of the reaction is reduced, the purity of the Grignard reagent prepared by the reaction is higher, and the reaction efficiency is improved;
2, by arranging the water valve and the cooling circulation water tank, the cooling circulation water tank can quickly cool water, so that a large amount of water is reduced, water resources are saved, the cooling is conveniently and quickly carried out, water forms circulation supply through the control of the water valve, and the effects of quickly cooling and improving the reaction efficiency are achieved;
3. through setting up two puddlers for stirring leaf on two puddlers is crisscross fixed, conveniently stirs the reactant, makes magnesium bits and anhydrous ether fully contact reaction, thereby improves the efficiency of reaction.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a first liquid feed inlet of the present invention;
fig. 3 is a schematic structural view from above of the present invention;
fig. 4 is a schematic structural view of the gear of the present invention;
FIG. 5 is a schematic structural view of the annular water distributor of the present invention;
reference numbers in the figures: 1. a reaction kettle body; 2. a reaction chamber; 3. a heating chamber; 4. an annular water distribution pipe; 5. a water inlet pipe; 6. a water inlet; 7. a water valve; 8. a cooling circulation water tank; 9. a water outlet pipe; 10. a driving gear; 11. a motor; 12. a driven gear; 13. a stirring rod; 14. stirring blades; 15. a one-way vacuum pump; 16. a discharge pipe; 17. a solids feed port; 18. a first liquid feed port; 19. a first sealing baffle; 20. a second sealing baffle; 21. a clamping rod; 22. a second liquid feed port; 23. a limiting rod; 24. and (7) water outlet holes.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1-5, the utility model provides a technical scheme, a high-efficiency Grignard reagent production reaction kettle, which comprises a reaction kettle body 1, a reaction chamber 2 is installed at the inner side of the reaction kettle body 1, a heating chamber 3 is arranged between the reaction kettle body 1 and the reaction chamber 2, an annular water distribution pipe 4 is surrounded at the top of the heating chamber 3, water outlet holes 24 are evenly arranged at the bottom end of the annular water distribution pipe 4, the top of the reaction kettle body 1 is connected with a water inlet pipe 5 by gluing, a water inlet 6 is connected at the top end of the water inlet pipe 5 by rotation, a water valve 7 is connected at the top end of the water inlet pipe 5 by rotation, a cooling circulation water tank 8 is connected at the bottom end of the water inlet pipe 5 by rotation, the type of the cooling circulation water tank 8 is GY-A550N, a water outlet pipe 9 is connected at the bottom end of the cooling circulation water tank 8 by rotation, in order to, the top end of the reaction kettle body 1 is welded with a first liquid feeding hole 18, the top end of the first liquid feeding hole 18 is welded with a first sealing baffle plate 19, the top end of the first sealing baffle plate 19 is connected with a second sealing baffle plate 20 in a clamping manner, one end of the second sealing baffle plate 20 close to the first liquid feeding hole 18 is welded with a clamping rod 21, the top end of the second sealing baffle plate 20 is welded with a second liquid feeding hole 22, in order to increase the sealing performance of the feeding holes, the top end of the first liquid feeding hole 18 and the bottom end of the second liquid feeding hole 22 are both connected with sealing rings in a gluing manner, two sides of the second sealing baffle plate 20 close to the second liquid feeding hole 22 are welded with limiting rods 23, in order to facilitate feeding, round holes are respectively formed in the flush surfaces of the first sealing baffle plate 19 and the first liquid feeding hole 18 and the flush surfaces of the first sealing baffle plate 19 and the second, the chute length is half the length of the first sealing flap 19.
The top end of the reaction kettle body 1 is rotatably connected with a driving gear 10, the top end of the driving gear 10 is rotatably connected with a motor 11, the model of the motor 11 is RF97-YB11-4P, the input end of the motor 11 is electrically connected with the outer side of the driving gear 10 of an external power supply and is engaged with a driven gear 12, in order to reduce the friction between the gears, lubricating oil is coated between the driving gear 10 and the driven gear 12, the bottom end of the driven gear 12 is rotatably connected with a stirring rod 13, stirring blades 14 are welded on the outer side of the stirring rod 13, in order to prevent mutual collision between the stirring blades 14, the driven gear 12 and the stirring rods 13 are respectively provided with two stirring blades 14, the stirring blades 14 on the outer sides of the two stirring rods 13 are fixed in a staggered mode, the top of the reaction cavity 2 is fixedly provided with a one-way vacuum pump 15 through bolts, the bottom of the reaction cavity 2 is welded with a discharge pipe 16, and the top of the reaction kettle body 1 is welded with a solid feed inlet 17.
The utility model discloses a theory of operation and use flow: firstly, opening a solid feeding hole 17, putting magnesium chips into a reaction cavity 2 from the solid feeding hole 17, closing the solid feeding hole 17, opening a one-way vacuum pump 15 to vacuumize the reaction cavity 2, closing the one-way vacuum pump 15, fixing an anhydrous ethyl ether feeding pipe and a second liquid feeding hole 22 by using a hoop, pushing a second sealing baffle plate 20 and the second liquid feeding hole 22 along a clamping rod 21 when the anhydrous ethyl ether flows out to the bottom end of the second liquid feeding hole 22, enabling a limiting rod 23 to reach the bottom of a sliding groove, hermetically jointing the second liquid feeding hole 22 and a first liquid feeding hole 18, conveying a proper amount of anhydrous ethyl ether into the reaction cavity 2, reducing air mixing into the reaction cavity 2 through the sealed conversion of the two liquid feeding holes, and ensuring the safety of reaction and the purity of a Grignard reagent;
after the preliminary feeding is finished, hot water is fed into the annular water distribution pipe 4 through the water inlet pipe 5 and the water inlet 6 and reaches the bottom of the heating chamber 3 through the water outlet hole 24, heating the reaction, adding anhydrous ether into the reaction chamber 2 completely after the reaction, removing the anhydrous ether feeding pipe, pulling the second liquid feeding port 22 back to the end far away from the first liquid feeding port 18, adding cold water into the heating chamber 3 through the water inlet pipe 5, flowing the originally added hot water into the cooling circulation water tank 8 through the water outlet pipe 9 for cooling, then the water valve 7 is opened, the water inlet 6 is closed, the cooled water enters the annular water distribution pipe 4 again through the water inlet pipe 5 to form circulating water for cooling, the heat generated by the reaction in the reaction cavity 2 is taken away in time, the water is supplied by the circulating cooling of the cooling circulating water tank 8, so that water resources can be saved, and the high-efficiency reaction is ensured;
during the reaction, motor 11 is started, driving gear 10 rotates, and driving gear 10 drives driven gear 12, puddler 13 and stirring leaf 14 and rotates, stirs through crisscross fixed stirring leaf 14 for the raw materials is heated evenly, accelerates the reaction, improves reaction rate, and after the reaction, open discharging pipe 16, collect the collecting flask from discharging pipe 16 with the format reagent that makes.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-efficient type grignard reagent production reation kettle, includes the reation kettle body (1), its characterized in that: the reaction chamber (2) is installed on the inner side of the reaction kettle body (1), the heating cavity (3) is arranged between the reaction kettle body (1) and the reaction chamber (2), the top of the heating cavity (3) is surrounded by the annular water distribution pipes (4), water outlet holes (24) are evenly formed in the bottom ends of the annular water distribution pipes (4), the top of the reaction kettle body (1) is connected with the water inlet pipe (5) in an adhesive mode, the top end of the water inlet pipe (5) is connected with the water inlet (6) in a rotating mode, the top of the water inlet pipe (5) is connected with the water valve (7) in a rotating mode, the bottom end of the water inlet pipe (5) is connected with the cooling circulation water tank (8) in a rotating mode, the bottom end of the cooling circulation water tank (8) is connected with the water outlet pipe (9) in a rotating mode, the top end of the reaction kettle body (1) is, first seal baffle (19) top joint has second seal baffle (20), the one end welding that second seal baffle (20) are close to first liquid feed inlet (18) has kelly (21), the top welding of second seal baffle (20) has second liquid feed inlet (22), the both sides welding that second seal baffle (20) are close to second liquid feed inlet (22) has gag lever post (23).
2. The efficient Grignard reagent production reaction kettle as recited in claim 1, wherein the reaction kettle body (1) is rotatably connected with a driving gear (10) at the top end, the driving gear (10) is rotatably connected with a motor (11) at the top end, the input end of the motor (11) is electrically connected with an external power supply, the driving gear (10) is meshed with a driven gear (12) at the outside, the driven gear (12) is rotatably connected with a stirring rod (13) at the bottom end, stirring blades (14) are welded at the outside of the stirring rod (13), a one-way vacuum pump (15) is fixedly installed at the top of the reaction cavity (2) through bolts, a discharge pipe (16) is welded at the bottom of the reaction cavity (2), and a solid feed inlet (17) is welded at the top end of the reaction kettle body (1).
3. The efficient Grignard reagent production reaction kettle according to claim 1, wherein one end of the water outlet pipe (9) far away from the cooling circulation water tank (8) is fixed with the bottom end of the reaction kettle body (1) by arc welding.
4. The efficient Grignard reagent production reaction kettle according to claim 2, wherein a lubricant is coated between the driving gear (10) and the driven gear (12), two stirring rods (13) and two stirring gears (12) are respectively provided, and the stirring blades (14) outside the two stirring rods (13) are fixed in a staggered manner.
5. The efficient Grignard reagent production reaction kettle according to claim 1, wherein the first sealing baffle (19) and the first liquid inlet (18) are flush with each other, and the first sealing baffle (19) and the second liquid inlet (22) are flush with each other, and each of the first sealing baffle (19) and the second liquid inlet is provided with a circular hole, and a sliding groove is formed in one side of the first sealing baffle (19) close to the limiting rod (23), and the length of the sliding groove is half of the length of the first sealing baffle (19).
6. The efficient Grignard reagent production reaction kettle according to claim 1, wherein the top end of the first liquid inlet (18) and the bottom end of the second liquid inlet (22) are both glued with sealing rings.
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CN201921444449.1U CN210496431U (en) | 2019-09-02 | 2019-09-02 | High-efficient type grignard reagent production reation kettle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112097451A (en) * | 2020-09-21 | 2020-12-18 | 安徽省含山县锦华氧化锌厂 | High-efficient cooler of zinc oxide |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112097451A (en) * | 2020-09-21 | 2020-12-18 | 安徽省含山县锦华氧化锌厂 | High-efficient cooler of zinc oxide |
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