CN115569627A - Salifying reaction kettle for trimethyl orthoacetate - Google Patents
Salifying reaction kettle for trimethyl orthoacetate Download PDFInfo
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- CN115569627A CN115569627A CN202211451541.7A CN202211451541A CN115569627A CN 115569627 A CN115569627 A CN 115569627A CN 202211451541 A CN202211451541 A CN 202211451541A CN 115569627 A CN115569627 A CN 115569627A
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Abstract
The invention belongs to the technical field of chemical equipment, and particularly relates to a salification reaction kettle for trimethyl orthoacetate, which comprises a kettle body, wherein the kettle body is made of stainless steel materials; a jacket is arranged on the outer surface of the kettle body, and water is filled in the jacket; the kettle cover is connected with the kettle body through bolts; the pressure gauge, the rupture membrane safety device, the vapor-liquid phase valve and the temperature sensor are arranged on the kettle cover; the servo motor is arranged at the position of the circle center of the kettle cover; a stirring rod is fixedly arranged on the servo motor through a coupler, and stirring blades which are uniformly arranged are arranged on the stirring rod; the invention is mainly used for solving the problems that the cooling area of the jacket of the glass lining reaction kettle is small, the cooling effect is poor, only the reactant close to one side of the jacket can be cooled, and the reactant in the reaction kettle cannot be cooled, so that the cooling time of the reactant in the kettle body is prolonged, and the cooling efficiency is reduced.
Description
Technical Field
The invention belongs to the technical field of chemical equipment, and particularly relates to a salification reaction kettle for trimethyl orthoacetate.
Background
Trimethyl orthoacetate, also known as trimethoxyethane, is an important orthoester. In organic synthesis, trimethyl orthoacetate is an acylating agent used for synthesizing novel sweetener sucralose; is an intermediate raw material for synthesizing pyrethroid pesticides such as cypermethrin, cyhalothrin and the like; is an intermediate needed for synthesizing vitamin B1, vitamin A1, sulfadiazine and other medicaments; it can also be used in the dye and fragrance industry.
In the salifying process of trimethyl orthoacetate, a glass lining reaction kettle is needed, the glass lining reaction kettle is used as common equipment in the chemical industry, the durability and the corrosion resistance are very good, and in order to enable the trimethyl orthoacetate to normally exert the effect, the normal use of accessories of the glass lining reaction kettle is ensured.
As HCl gas in the raw material is absorbed by methanol, a large amount of heat is released, the reaction temperature is not easy to control, the overtemperature is easy to cause the salt forming reaction curve to be unstable.
The temperature is generally controlled below-5 ℃ when HCl is introduced, but the salt forming reaction is very slow due to the low temperature. When the reaction temperature is raised by introducing HCI, because a large amount of unreacted HCl exists in the kettle, the reaction is violent and exothermic when the reaction temperature reaches about 12 ℃, so that the overtemperature is easily caused, the HCl is gasified and lost, byproducts are increased, the salt forming quality is seriously influenced, and the material flushing accident can be caused when the temperature is out of control;
however, because the cooling area of the jacket of the glass lining reaction kettle is small, the cooling effect is poor, the temperature of the reactant close to one side of the jacket can only be reduced, and the reactant in the reaction kettle cannot be reduced, so that the temperature reduction time of the reactant in the kettle body is prolonged, and the temperature reduction efficiency is reduced.
Disclosure of Invention
In order to make up the deficiency of the prior art, the technical problem is solved; the invention provides a salification reaction kettle for trimethyl orthoacetate.
The technical scheme adopted by the invention for solving the technical problems is as follows: the salifying reaction kettle for trimethyl orthoacetate comprises a kettle body, a jacket, a kettle cover, a servo motor, a stirring rod and stirring blades, wherein the kettle body is provided with a cavity;
the inner part of the jacket is fixedly connected with an annular partition plate which divides the jacket into an upper cavity and a lower cavity;
a refrigerator and an electric heating wire are arranged in the lower cavity;
the outer surface of the jacket is fixedly connected with a water pump;
the inner surface of the kettle body is fixedly connected with a first annular rail and a second annular rail; a first annular slide way is arranged in the first annular track; a second annular slide way is arranged in the second annular track;
the first annular slideway and the second annular slideway are both internally and slidably connected with annular sliding rings; an annular pipeline is fixedly connected in the annular sliding ring, and the annular pipeline partially extends out of the lower surface of the annular sliding ring; the annular pipeline extends out of one side of the annular sliding ring and is provided with an annular opening in the inner wall of the annular pipeline;
the end faces of the bottoms of the first annular slideway and the second annular slideway are fixedly connected with two annular guide plates, and the two annular guide plates partially extend into the annular opening and are in sliding connection with the annular opening; the cross sections of the two annular guide plates are trapezoidal;
flow channels are formed in the inner walls of the first annular track and the second annular track; a through hole is formed between the two annular guide plates and is communicated with the flow channel;
a flow passage formed in the first annular track is communicated with the upper cavity through a first conduit;
a flow channel arranged in the second annular track is communicated with the lower cavity through a second conduit;
support plates are fixedly connected to the upper surfaces of the annular sliding rings sliding in the first annular slideway and the second annular slideway, and first flow grooves in the support plates are communicated with an annular pipeline through water pipes; the two support plates are fixedly connected with a stirring plate; second flow grooves which are uniformly distributed are formed in the inner wall of the stirring plate, and the second flow grooves are communicated with the first flow grooves;
one sides, close to the annular openings, of the annular guide plates in the first annular slide way and the second annular slide way are fixedly connected with annular semicircular rings, and the annular semicircular rings are attached to the corresponding arc-shaped surfaces of the annular openings;
the upper surfaces of two annular guide plates which are fixedly connected in the first annular slide way and correspond to each other are fixedly connected with annular rubber layers, and the two annular rubber layers are mutually attached in an initial state;
the end surfaces of two sides of the annular rubber layer are fixedly connected with annular elastic pieces, and the other side of each annular elastic piece extends to the surface of the inner ring of the annular pipeline;
one side of the annular elastic sheet close to the surface of the inner ring of the annular pipeline is fixedly connected with an annular silica gel layer, and the annular silica gel layer is attached to the surface of the inner ring of the annular pipeline;
the bottom surfaces of the annular slip rings in sliding connection in the first annular slide way and the second annular slide way are rotatably connected with balls which are uniformly distributed;
annular grooves are formed in the upper surfaces of the first annular rail and the second annular rail; the annular slip rings in sliding connection with the first annular track and the second annular track are fixedly connected with annular arc layers matched with the annular grooves;
elongated grooves are uniformly distributed in the inner wall of the stirring plate, and the elongated grooves are respectively positioned between two adjacent second flow grooves.
The invention has the following beneficial effects:
1. the salifying reaction kettle for trimethyl orthoacetate has the advantages that the refrigerator continuously cools circularly flowing water, so that the water can absorb the temperature in the kettle body in the circulating flowing process, and the raw materials in the kettle body are cooled.
2. According to the salification reaction kettle for trimethyl orthoacetate, the annular semicircular rings are fixedly connected to the sides, close to the annular opening, of the annular guide plates in the first annular slide way and the second annular slide way, and the annular semicircular rings are attached to the arc-shaped surface of the annular opening, so that when an annular pipeline does circular motion, the annular semicircular rings block a gap between the annular guide plates and the annular opening, and therefore the sealing degree between the annular guide plates and the annular opening can be improved.
3. According to the salification reaction kettle for trimethyl orthoacetate, the annular silica gel layer arranged on one side of the annular elastic sheet is attached to the surface of the inner ring of the annular pipeline, so that a gap between the annular opening and the annular guide plate can be blocked, the sealing effect is improved, and when the annular rubber layers are separated from each other, the annular elastic sheet is pushed to move towards the surface of the inner ring of the annular pipeline, so that the annular silica gel layer on the annular elastic sheet is better attached to the inner ring of the annular pipeline, and the sealing degree is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an internal structural view of the present invention;
FIG. 3 is a structural view of the present invention without the kettle body;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is an enlarged view of a portion of the invention at B in FIG. 5;
FIG. 7 is an enlarged view of a portion of the invention at C of FIG. 4;
fig. 8 is an enlarged view of a portion of the invention at D in fig. 7.
In the figure: 1. a kettle body; 11. a jacket; 12. an annular partition plate; 13. an upper cavity; 14. a lower cavity; 15. a refrigerator; 16. an electric heating wire; 17. a water pump; 2. a kettle cover; 21. a servo motor; 22. a stirring rod; 23. stirring blades; 3. a first endless track; 301. a first annular chute; 31. a second endless track; 311. a second annular slideway; 32. an annular slip ring; 33. an annular duct; 34. an annular opening; 35. an annular guide plate; 36. a flow channel; 37. a through hole; 38. a first conduit; 39. a second conduit; 4. a support plate; 41. a first launder; 42. a water pipe; 43. a stirring plate; 44. a second launder; 5. an annular semicircular ring; 51. an annular rubber layer; 52. an annular spring plate; 53. an annular silica gel layer; 54. a ball bearing; 55. an annular groove; 56. an annular arc layer; 57. a long groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 8, a salification reaction kettle for trimethyl orthoacetate according to the present invention;
the reaction kettle comprises a kettle body 1, wherein the kettle body 1 is made of stainless steel materials; the outer surface of the kettle body 1 is provided with a jacket 11, and water is filled in the jacket 11;
the kettle cover 2 is connected with the kettle body 1 through bolts; a pressure gauge, a rupture membrane safety device, a vapor-liquid phase valve and a temperature sensor are arranged on the kettle cover 2;
the servo motor 21, the said servo motor 21 is installed in the position of centre of a circle of kettle cover 2; the servo motor 21 is fixedly provided with a stirring rod 22 through a coupler, and the stirring rod 22 is provided with uniformly arranged stirring blades 23;
an annular partition plate 12 is fixedly connected inside the jacket 11, and the annular partition plate 12 divides the inner cavity of the jacket 11 into two cavities, namely an upper cavity 13 in the cavity above the annular partition plate 12, and a lower cavity 14 in the cavity below the annular partition plate 12;
a refrigerator 15 and an electric heating wire 16 are arranged in the lower cavity 14, and the refrigerator 15 and the electric heating wire 16 are electrically connected with a control system of the reaction kettle through conducting wires;
the outer surface of the jacket 11 is fixedly connected with a water pump 17, a water pumping pipe of the water pump 17 extends into the lower cavity 14, and a water outlet pipe of the water pump 17 extends into the upper cavity 13;
the inner surface of the kettle body 1 is fixedly connected with a first annular rail 3 and a second annular rail 31; a first annular slide way 301 is arranged in the first annular track 3; a second annular slide way 311 is arranged in the second annular track 31;
the first annular slide way 301 and the second annular slide way 311 are both connected with an annular slide ring 32 in a sliding manner; an annular pipeline 33 is fixedly connected in the annular sliding ring 32, and part of the annular pipeline 33 extends out of the lower surface of the annular sliding ring 32; the annular pipeline 33 extends out of one side of the annular sliding ring 32, and an annular opening 34 is formed in the inner wall of the annular pipeline 33;
the end faces of the bottoms of the first annular slide way 301 and the second annular slide way 311 are fixedly connected with annular guide plates 35, and the number of the annular guide plates 35 is two, and the annular guide plates partially extend into the annular opening 34 and are connected with the annular opening 34 in a sliding manner; the cross sections of the two annular guide plates 35 are trapezoidal;
flow passages 36 are formed in the inner walls of the first annular rail 3 and the second annular rail 31; a through hole 37 is formed between the two annular guide plates 35, and the through hole 37 is communicated with the flow channel 36;
a flow passage 36 formed in the first annular track 3 is communicated with the upper cavity 13 through a first conduit 38;
a flow passage 36 formed in the second annular rail 31 is communicated with the lower cavity 14 through a second conduit 39;
the upper surfaces of the annular slip rings 32 sliding in the first annular slide way 301 and the second annular slide way 311 are fixedly connected with a support plate 4, a first launder 41 is arranged in the support plate 4, and the first launder 41 is communicated with the annular pipeline 33 through a water pipe 42; the two support plates 4 are fixedly connected with a stirring plate 43; second flow grooves 44 which are uniformly distributed are formed in the inner wall of the stirring plate 43, and the second flow grooves 44 are communicated with the first flow groove 41;
one sides of the annular guide plates 35 in the first annular slide way 301 and the second annular slide way 311, which are close to the annular opening 34, are fixedly connected with annular semicircular rings 5, and the annular semicircular rings 5 are attached to the corresponding arc-shaped surfaces of the annular opening 34;
the upper surfaces of two corresponding annular guide plates 35 fixedly connected in the first annular slide way 301 are fixedly connected with annular rubber layers 51, and the two annular rubber layers 51 are attached to each other in an initial state;
the end surfaces of two sides of the annular rubber layer 51 are fixedly connected with annular elastic sheets 52, and the other side of each annular elastic sheet 52 extends to the surface of the inner ring of the annular pipeline 33;
one side of the annular elastic sheet 52 close to the surface of the inner ring of the annular pipeline 33 is fixedly connected with an annular silica gel layer 53, and the annular silica gel layer 53 is attached to the surface of the inner ring of the annular pipeline 33;
the bottom surfaces of the annular slip rings 32 which are connected in the first annular slide way 301 and the second annular slide way 311 in a sliding way are both connected with balls 54 which are uniformly distributed in a rotating way;
the upper surfaces of the first annular rail 3 and the second annular rail 31 are both provided with annular grooves 55; the annular slip rings 32 which are connected in the first annular track 3 and the second annular track 31 in a sliding way are fixedly connected with annular arc layers 56 which are matched with the annular groove 55;
the inner wall of the stirring plate 43 is provided with uniformly arranged long grooves 57, and the long grooves 57 are respectively positioned between two adjacent second flow grooves 44;
example (b):
when the reaction kettle works, the servo motor 21 drives the stirring rod 22 and the stirring blade 23 to rotate, so as to stir the raw materials in the reaction kettle, the stirring blade 23 can push the stirring plate 43 to do circular motion in the kettle body 1 in the rotating process, after the stirring plate 43 is pushed, as the stirring plate 43 is fixedly connected with the upper surfaces of the annular sliding rings 32 sliding in the first annular sliding way 301 and the second annular sliding way 311 through the support plate 4, the annular sliding rings 32 sliding in the first annular sliding way 301 and the second annular sliding way 311 can be pushed to do circular motion in the first annular sliding way 301 and the second annular sliding way 311, and meanwhile, the annular sliding rings 32 can drive the annular pipeline 33 to do circular motion in the circular motion process, and as the annular opening 34 on the annular pipeline 33 is in sliding connection with the annular guide plate 35, the annular pipeline 33 can slide on the surface of the annular guide plate 35 in the circular motion process, and meanwhile, as the stirring blade 23 pushes the stirring plate 43 to rotate, the stirring plate 43 can be made to stir the raw materials in the kettle body 1, so as to improve the reaction degree of the raw materials.
Meanwhile, in the working process of the reaction kettle, a control system in the reaction kettle monitors the temperature change in the kettle body 1 through a temperature sensor, when the reaction temperature in the kettle body 1 is higher than the normal reaction temperature, the control system in the reaction kettle controls the refrigerator 15 in the lower cavity 14 to work, meanwhile, the control system controls the water pump 17 to work, in the working process of the water pump 17, water in the lower cavity 14 can be pumped into the upper cavity 13, when the liquid level in the upper cavity 13 is higher than the first conduit 38, the water in the upper cavity 13 will enter the flow channel 36 opened in the first annular rail 3 through the first conduit 38, then the water flow will enter between the two annular guide plates 35 through the through holes 37 after passing through the flow channel 36, then enter the annular duct 33 under the guidance of the two annular guide plates 35, when the annular duct 33 is filled with liquid, the liquid will enter the first flow groove 41 formed in the support plate 4 of the first annular rail 3 through the water pipe 42, and then the liquid will enter the second flow groove 44 and flow downwards, in the process of liquid flowing, the raw materials in the kettle body 1 can be cooled, thereby accelerating the cooling speed in the kettle body 1 and improving the cooling efficiency, when the liquid entering the second flow groove 44 flows to the first flow groove 41 in the support plate 4 arranged on the second annular rail 31, the liquid flows into the annular pipeline 33 in the annular slide ring 32 in the second annular rail 31 through the water pipe 42, then the liquid enters the flow passage 36 formed in the second annular rail 31 under the guidance of the annular guide plate 35 arranged in the second annular slide way 311, then the liquid flows into the lower cavity 14 through the second conduit 39, so as to circulate, when the temperature in the reaction kettle tends to be in a normal range, the control system controls the refrigerator 15 and the water pump 17 to stop working.
Along with refrigerator 15 continuously cools down to the water that circulates and flows, can make water at the in-process that circulates and flows, can absorb the temperature in the cauldron body 1 to cool down the raw materials of the internal portion of cauldron 1, simultaneously again because stirring board 43 is at the internal circumference pivoted of cauldron, at stirring board 43 pivoted in-process, can be comparatively comprehensive cool down the raw materials of the internal 1 of cauldron, thereby further improve the cooling effect to the cauldron body 1.
Similarly, in the working process of the reaction kettle, the control system in the reaction kettle monitors the temperature change in the kettle body 1 through the temperature sensor, when the reaction temperature in the kettle body 1 is lower than the normal reaction temperature, the control system in the reaction kettle controls the electric heating wire 16 in the lower cavity 14 to work, and at the same time, the control system controls the water pump 17 to work, and then the working process is repeated.
Specifically, because the annular baffle 35 in first annular slide 301 and the second annular slide 311 is close to one side of annular opening 34 and has all linked firmly annular semicircle ring 5, and the arcwall face laminating of annular semicircle ring 5 and annular opening 34, when circular pipeline 33 is doing circular motion's in-process, annular semicircle ring 5 blocks up the gap between annular baffle 35 and the annular opening 34 to can improve the sealed degree between annular baffle 35 and the annular opening 34.
Meanwhile, because the annular rubber layers 51 are fixedly connected to the two mutually corresponding annular guide plates 35 fixedly connected in the first annular slide 301, when liquid flows from the flow channel 36, the liquid can flow between the two annular guide plates 35 through the through holes 37, then the liquid flows towards the annular rubber layers 51 under the guidance of the annular guide plates 35, when the liquid passes through the annular rubber layers 51, the two annular rubber layers 51 can be pushed to be separated from each other under the thrust of the liquid, when the annular rubber layers 51 are separated from each other, the liquid can flow into the annular pipeline 33, because the annular silica gel layer 53 arranged on one side of the annular elastic sheet 52 is attached to the inner ring surface of the annular pipeline 33, the gap between the annular opening 34 and the annular guide plate 35 can be blocked, the sealing effect is improved, when the annular rubber layers 51 are separated from each other, the annular elastic sheet 52 can be pushed to move towards the inner ring surface of the annular pipeline 33, and therefore the annular silica gel layer 53 on the annular elastic sheet 52 can be better attached to the inner ring of the annular pipeline 33, and the sealing degree is improved.
Meanwhile, as the bottom surface of the annular slide ring 32 is rotatably connected with the balls 54 which are uniformly arranged, when the annular slide ring 32 does circular motion in the first annular slide way 301 and the second annular slide way 311, the degree of friction between the annular slide ring 32 and the first annular slide way 301 and the second annular slide way 311 can be reduced.
Meanwhile, because the annular grooves 55 formed in the upper surfaces of the first annular rail 3 and the second annular rail 31 are matched with the annular arc layer 56 fixedly connected to the annular slip ring 32, the annular arc layer 56 slides in the annular groove 55 in the process of circular motion of the annular slip ring 32, and in the process, raw materials in the kettle body 1 can be prevented from entering the first annular slide 301 and the second annular slide 311.
Meanwhile, as the long grooves 57 are uniformly arranged in the inner wall of the stirring plate 43, when the stirring plate 43 rotates, the raw material passes through the long grooves 57, so that the resistance of the stirring plate 43 in circular motion is reduced.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A salifying reaction kettle for trimethyl orthoacetate comprises a kettle body (1), a jacket (11), a kettle cover (2), a servo motor (21), a stirring rod (22) and stirring blades (23); the device is characterized in that an annular partition plate (12) is fixedly connected inside the jacket (11) to divide the jacket (11) into an upper cavity (13) and a lower cavity (14);
a refrigerator (15) and an electric heating wire (16) are arranged in the lower cavity (14);
the outer surface of the jacket (11) is fixedly connected with a water pump (17);
the inner surface of the kettle body (1) is fixedly connected with a first annular rail (3) and a second annular rail (31); a first annular slide way (301) is arranged in the first annular track (3); a second annular slide way (311) is arranged in the second annular track (31);
the first annular slide way (301) and the second annular slide way (311) are both connected with an annular slide ring (32) in a sliding manner; an annular pipeline (33) is fixedly connected in the annular sliding ring (32), and part of the annular pipeline (33) extends out of the lower surface of the annular sliding ring (32); the annular pipeline (33) extends out of one side of the annular sliding ring (32), and an annular opening (34) is formed in the inner wall of the annular pipeline (33);
the end faces of the bottoms of the first annular slide way (301) and the second annular slide way (311) are fixedly connected with annular guide plates (35), the number of the annular guide plates (35) is two, and the annular guide plates partially extend into the annular opening (34) and are in sliding connection with the annular opening (34); the cross sections of the two annular guide plates (35) are trapezoidal;
flow channels (36) are formed in the inner walls of the first annular track (3) and the second annular track (31); a through hole (37) is formed between the two annular guide plates (35), and the through hole (37) is communicated with the flow channel (36);
a flow passage (36) formed in the first annular track (3) is communicated with the upper cavity (13) through a first conduit (38);
a flow channel (36) formed in the second annular track (31) is communicated with the lower cavity (14) through a second conduit (39);
the upper surfaces of the annular sliding rings (32) sliding in the first annular slideway (301) and the second annular slideway (311) are fixedly connected with a support plate (4), and a first flow groove (41) in the support plate (4) is communicated with an annular pipeline (33) through a water pipe (42); the two support plates (4) are fixedly connected with a stirring plate (43) together; second flow grooves (44) which are uniformly distributed are formed in the inner wall of the stirring plate (43), and the second flow grooves (44) are communicated with the first flow groove (41).
2. A salification reactor for trimethyl orthoacetate according to claim 1, wherein: annular guide plate (35) in first annular slide (301) and second annular slide (311) are close to one side of annular opening (34) and have all linked firmly annular semicircle ring (5), and annular semicircle ring (5) all with the arcwall face laminating of the annular opening (34) that corresponds.
3. A salification reactor for trimethyl orthoacetate according to claim 1, wherein: the upper surfaces of two annular guide plates (35) which are fixedly connected with each other and correspond to each other in the first annular slide way (301) are fixedly connected with an annular rubber layer (51), and the two annular rubber layers (51) are attached to each other in the initial state.
4. A salification reactor for trimethyl orthoacetate according to claim 3, wherein: the end faces of two sides of the annular rubber layer (51) are fixedly connected with annular elastic sheets (52), and the other side of each annular elastic sheet (52) extends to the surface of the inner ring of the annular pipeline (33).
5. A salification reactor for trimethyl orthoacetate according to claim 4, wherein: one side of the annular elastic sheet (52) close to the surface of the inner ring of the annular pipeline (33) is fixedly connected with an annular silica gel layer (53), and the annular silica gel layer (53) is attached to the surface of the inner ring of the annular pipeline (33).
6. A salification reactor for trimethyl orthoacetate according to claim 1, wherein: the bottom surfaces of the annular sliding rings (32) which are connected in the first annular slide way (301) and the second annular slide way (311) in a sliding mode are connected with balls (54) which are uniformly arranged in a rotating mode.
7. A salification reactor for trimethyl orthoacetate according to claim 1, wherein: annular grooves (55) are formed in the upper surfaces of the first annular rail (3) and the second annular rail (31); and the annular slip rings (32) which are connected with the first annular track (3) and the second annular track (31) in a sliding way are fixedly connected with annular arc layers (56) matched with the annular grooves (55).
8. A salification reactor for trimethyl orthoacetate according to claim 1, wherein: elongated grooves (57) are uniformly distributed in the inner wall of the stirring plate (43), and the elongated grooves (57) are respectively positioned between two adjacent second flow grooves (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211451541.7A CN115569627B (en) | 2022-11-21 | 2022-11-21 | Salifying reaction kettle for trimethyl orthoacetate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211451541.7A CN115569627B (en) | 2022-11-21 | 2022-11-21 | Salifying reaction kettle for trimethyl orthoacetate |
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| CN115569627A true CN115569627A (en) | 2023-01-06 |
| CN115569627B CN115569627B (en) | 2023-02-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014179041A1 (en) * | 2013-05-01 | 2014-11-06 | INVISTA North America S.à r.l. | Autoclave heating jacket |
| CN209631215U (en) * | 2019-01-21 | 2019-11-15 | 德兴市宏达塑胶科技有限公司 | A kind of reaction kettle cooling device being used to prepare phenolic resin |
| CN210875275U (en) * | 2019-07-05 | 2020-06-30 | 上海浦杰香料有限公司 | Jacketed reaction kettle |
| CN216347224U (en) * | 2021-12-07 | 2022-04-19 | 淄博煜邦化工设备有限公司 | Ward off glass reation kettle rapid cooling in-kettle device |
-
2022
- 2022-11-21 CN CN202211451541.7A patent/CN115569627B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014179041A1 (en) * | 2013-05-01 | 2014-11-06 | INVISTA North America S.à r.l. | Autoclave heating jacket |
| CN209631215U (en) * | 2019-01-21 | 2019-11-15 | 德兴市宏达塑胶科技有限公司 | A kind of reaction kettle cooling device being used to prepare phenolic resin |
| CN210875275U (en) * | 2019-07-05 | 2020-06-30 | 上海浦杰香料有限公司 | Jacketed reaction kettle |
| CN216347224U (en) * | 2021-12-07 | 2022-04-19 | 淄博煜邦化工设备有限公司 | Ward off glass reation kettle rapid cooling in-kettle device |
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| CN115569627B (en) | 2023-02-07 |
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