Kettle type reaction device for producing trimethoxysilane

Abstract

The utility model provides a kettle type reaction device for producing trimethoxysilane, which relates to the technical field of welding tooling, and comprises a kettle body, the top and the bottom of the kettle body are respectively communicated with a feed pipe and a discharge pipe, a first chamber and a second chamber are respectively arranged in the kettle body, and the first chamber and the second chamber are mutually isolated through a baffle plate, the outer side wall of the kettle body is connected with a runner pipe used for penetrating through the first cavity and the second cavity, the runner pipe is provided with a valve used for opening and closing the runner pipe, the outer side of the kettle body is further connected with an upper clamping sleeve and a lower clamping sleeve, and a heating medium and a cooling medium are injected into the upper clamping sleeve and the lower clamping sleeve respectively. According to the utility model, the first chamber and the second chamber are connected in series for reaction, so that reactants are synchronously heated and cooled, and the problems of long processing time and low processing efficiency caused by waiting for cooling after heating reaction are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical reaction kettles, in particular to a kettle-type reaction device for producing trimethoxysilane. Background Art

[0002] Trimethoxysilane is an important intermediate for the synthesis of functional organosilicon compounds. It can decompose olefin-terminated polymers to undergo addition reactions, and then generate Si-OH bonds under the action of water vapor. It can further condense itself or with dihydroxy silicone oil to obtain cross-linked polymers. It is used in adhesives, coatings and organosilicon-modified polymers. It can also be used as a hydrogenation reduction agent, surface treatment, etc. Trimethoxysilane usually uses a reactor in the production process.

[0003] At present, most reactors use long-axis paddle stirring, which drives the paddle to rotate circumferentially around the long axis. For example, Chinese patent publication number CN220592096U discloses a high-efficiency trimethoxysilane stirring reactor, including a kettle body and a stirring mechanism arranged in the kettle body. In the above-mentioned public document, the stirring shaft arranged horizontally can rotate at the center of the kettle body, drive the first stirring rod to rotate, and under the action of the first torsion spring, the first stirring rod is offset along the first positioning ring while rotating, thereby being able to further increase the stirring range and reduce the material precipitation of the kettle body, solving the problem that the stirring in the reactor in the prior art only rotates along the circumference of the kettle body, and the unidirectional stirring in one direction easily leads to uneven stirring. However, when the patent is used, it is not conducive to simultaneous heating and cooling treatment, so that after the heating reaction, it is necessary to wait for cooling, which easily causes a long processing time, thereby making the processing efficiency low. To this end, a technician in this field provides a kettle reaction device for producing trimethoxysilane to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a kettle reaction device for producing trimethoxysilane, which can effectively solve the problem that the background technology is not conducive to simultaneous heating and cooling treatment, so that after the heating reaction, it is necessary to wait for cooling, which easily causes a long processing time and thus reduces the processing efficiency.

[0005] To achieve the above objectives, the utility model is implemented by the following technical solutions: A kettle-type reaction device for producing trimethoxysilane, comprising a kettle body, wherein the top and the bottom of the kettle body are respectively connected with a feed pipe and a discharge pipe, wherein a first chamber and a second chamber are respectively arranged inside the kettle body, and the first chamber and the second chamber are isolated from each other by a baffle, and a flow pipe for connecting the first chamber and the second chamber is connected to the outer wall of the kettle body, and a valve for opening and closing the flow pipe is installed on the flow pipe;

[0006] The interior of the kettle is provided with a mixing mechanism for stirring the first chamber and the second chamber;

[0007] The two ends of the exterior of the kettle body are also provided with tilting mechanisms for driving the kettle body to adjust its angle.

[0008] As a further technical solution of the utility model, the mixing mechanism includes a driving motor fixedly mounted on the outer top surface of the first chamber, and a hollow rotating rod is rotatably connected to the inner bottom surface of the second chamber, and one end of the hollow rotating rod passes through the first chamber and is fixedly connected to the output end of the driving motor;

[0009] Two groups of fixed sleeves and two groups of scraper rods are respectively installed inside the first chamber and the second chamber and on the outer surface of the hollow rotating rod. The two ends of the two groups of fixed sleeves are rotatably connected with stirring blades, and the outer surfaces of the two groups of scraper rods are respectively in contact with the inner walls of the first chamber and the second chamber.

[0010] As a further technical solution of the utility model, a fixing rod is installed on the inner bottom surface of the second chamber and located on the inner side of the hollow rotating rod, and one end of the fixing rod extends to the inner side of the first chamber, and a main bevel gear is fixedly installed on the outer ends of the fixing rod and located on the inner side of the fixing sleeve on the first chamber and the second chamber, one end of the two stirring blades extends to the inner side of the fixing sleeve and is fixedly installed with a driven bevel gear, and the main bevel gear and the driven bevel gear are meshingly connected.

[0011] As a further technical solution of the utility model, the tilting mechanism includes support frames arranged at both ends of the outside of the kettle body, and fixed blocks are installed at both ends of the outside of the kettle body. The two fixed blocks are rotatably connected to the inner walls of the two support frames through two connecting rods. A forward and reverse motor is installed on the outside of one of the support frames, and one end of one of the connecting rods extends to the outside of the support frame and is fixedly connected to the output end of the forward and reverse motor.

[0012] As a further technical solution of the utility model, the outer side of the kettle body is further connected with an upper jacket and a lower jacket, and the interiors of the upper jacket and the lower jacket are respectively filled with a heating medium and a cooling medium.

[0013] As a further technical solution of the utility model, water permeable holes are provided on the outer surface of the stirring blade.

[0014] The utility model provides a kettle-type reaction device for producing trimethoxysilane, which has the following beneficial effects compared with the prior art:

[0015] 1. A kettle reaction device for producing trimethoxysilane. During production, after the reactants are heated and stirred in the first chamber, they are injected into the second chamber through a flow tube for cooling and secondary stirring. Under the cooperation of the series reaction between the first chamber and the second chamber, the reactants are heated and cooled synchronously, avoiding the need to wait for cooling after the heating reaction, which easily leads to the problem of long processing time and low processing efficiency, thereby helping to improve the work efficiency of processing production.

[0016] 2. A kettle-type reaction device for producing trimethoxysilane, when stirring, uses a driving motor as a power source to drive the hollow rotating rod to rotate, and at the same time, under the meshing characteristics of the main bevel gear and the driven bevel gear, it can drive the stirring blade to rotate while revolving around the hollow rotating rod, thereby stirring and mixing reactants at different positions, avoiding the problem of uneven stirring caused by one-way stirring. Secondly, during rotation, the inner wall of the chamber is scraped by a scraper to prevent the reactants from sticking for a long time and causing poor reaction effect. Further improve the applicability of the device.

[0017] 3. A kettle reaction device for producing trimethoxysilane, which drives the connecting rod to swing the kettle body left and right through the forward and reverse motors, and then adjusts the angle of the kettle body. The inclination of the kettle body is adjusted to further improve the mixing effect of the reactants, and it is also convenient for the reactants to circulate and discharge each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of a kettle-type reaction device for producing trimethoxysilane;

[0019] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of a kettle-type reaction device for producing trimethoxysilane;

[0020] Figure 3 This is a schematic diagram of the kettle structure of a kettle-type reaction device for producing trimethoxysilane;

[0021] Figure 4 A schematic diagram of the structure of a mixing mechanism of a kettle-type reaction device for producing trimethoxysilane;

[0022] Figure 5 for Figure 3 A partial enlarged view of point A in the middle.

[0023] In the figure: 1, kettle body; 2, first chamber; 3, second chamber; 4, baffle; 5, circulation pipe; 6, valve; 7, upper jacket; 8, lower jacket; 9, driving motor; 10, hollow rotating rod; 11, fixed sleeve; 12, scraper rod; 13, stirring blade; 14, support frame; 15, fixed block; 16, forward and reverse motor; 17, fixed rod; 18, main bevel gear; 19, driven bevel gear; 20, feed pipe; 21, discharge pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 As shown, a kettle reaction device for producing trimethoxysilane comprises a kettle body 1, the top and bottom of the kettle body 1 are respectively connected with a feed pipe 20 and a discharge pipe 21, the inside of the kettle body 1 is respectively provided with a first chamber 2 and a second chamber 3, and the first chamber 2 and the second chamber 3 are isolated from each other by a baffle 4, the outer wall of the kettle body 1 is connected with a flow pipe 5 for penetrating the first chamber 2 and the second chamber 3, and the flow pipe 5 is installed with a valve 6 for opening and closing the flow pipe 5, the outer side of the kettle body 1 is also respectively connected with an upper jacket 7 and a lower jacket 8, the interior of the upper jacket 7 and the lower jacket 8 are respectively filled with a heating medium and a cooling medium, wherein the heating medium can be but not limited to high-temperature steam or high-temperature water, the cooling medium can be but not limited to low-temperature coolant or low-temperature cooling water, and the heating medium and the cooling medium are injected into the upper jacket 7 and the lower jacket 8 through pipelines. It should be noted that, on the outside of the kettle body 1, medium injection ports and discharge ports are provided corresponding to the upper and lower ends of the upper jacket 7 and the lower jacket 8. During production, the reactants or catalysts are input into the first chamber 2 along the feed pipe 20 for stirring and mixing, and the reactants in the first chamber 2 are heated by the heating medium in the upper jacket 7 to accelerate the reaction efficiency. After the stirring and mixing reaction, the valve 6 is controlled to allow the reactants to flow into the second chamber 3 along the flow pipe 5, and the reactants are cooled by the cooling medium in the lower jacket 8, so that the reactants can simultaneously perform high-temperature reactions and low-temperature reactions, avoiding the need to wait for cooling after the heating reaction, which easily leads to the problem of long processing time and low processing efficiency. It is not only simple to operate, but also can improve the work efficiency of production.

[0026] The interior of the kettle body 1 is provided with a mixing mechanism for stirring the first chamber 2 and the second chamber 3, the mixing mechanism includes a driving motor 9 fixedly mounted on the outer top surface of the first chamber 2, the inner bottom surface of the second chamber 3 is rotatably connected with a hollow rotating rod 10, one end of the hollow rotating rod 10 passes through the first chamber 2 and is fixedly connected with the output end of the driving motor 9, two groups of fixed sleeves 11 and two groups of scraping rods 12 are respectively installed inside the first chamber 2 and the second chamber 3 and on the outer surface of the hollow rotating rod 10, the two ends of the two groups of fixed sleeves 11 are rotatably connected with stirring blades 13, and the outer surfaces of the two groups of scraping rods 12 The inner walls of the first chamber 2 and the second chamber 3 are respectively abutted against each other, a fixing rod 17 is installed on the inner bottom surface of the second chamber 3 and located on the inner side of the hollow rotating rod 10, and one end of the fixing rod 17 extends to the inner side of the first chamber 2, and a main bevel gear 18 is fixedly installed on the inner side of the fixing sleeve 11 on the outer ends of the fixing rod 17 and located on the first chamber 2 and the second chamber 3. One end of the two stirring blades 13 extends to the inner side of the fixing sleeve 11 and is fixedly installed with a driven bevel gear 19. The main bevel gear 18 and the driven bevel gear 19 are meshingly connected, and a water permeable hole is opened on the outer surface of the stirring blade 13. During the reaction process, the driving motor 9 is used as a power source to drive the hollow rotating rod 10 to rotate, driving the stirring blade 13 and the scraper rod 12 to revolve in a circle along the hollow rotating rod 10. At the same time, when the hollow rotating rod 10 rotates around the fixed rod 17 inside it, the driven bevel gear 19 on the stirring blade 13 rotates along the main bevel gear 18 on the fixed rod 17. The stirring blade 13 rotates during the revolution to stir and mix the reactants at different positions inside the first chamber 2 and the second chamber 3, avoiding the problem of uneven stirring caused by one-way stirring, thereby achieving sufficient mixing and improving the use efficiency of the device.

[0027] The exterior ends of the kettle body 1 are also provided with a tilting mechanism for driving the kettle body 1 to adjust the angle. The tilting mechanism includes support frames 14 provided at the exterior ends of the kettle body 1. Fixed blocks 15 are installed at the exterior ends of the kettle body 1. The two fixed blocks 15 are rotatably connected to the inner side walls of the two support frames 14 through two connecting rods. A forward and reverse motor 16 is installed on the exterior of one of the support frames 14. One end of one of the connecting rods extends to the exterior of the support frame 14 and is fixedly connected to the output end of the forward and reverse motor 16. The forward and reverse motor 16 drives the connecting rod to drive the kettle body 1 to swing left and right, thereby adjusting the angle of the kettle body 1. The tilting adjustment of the kettle body 1 can further improve the mixing effect of the reactants, and also facilitate the mutual circulation and discharge of the reactants.

[0028] The working principle of the utility model is as follows: firstly, the reactant is injected into the first chamber 2 in the kettle body 1 along the feed pipe 20, and then the drive motor 9 is turned on to drive the hollow rotating rod 10 to rotate, so as to drive the stirring blade 13 of the fixed sleeve 11 and the scraper 12 on the hollow rotating rod 10 to stir and mix the reactant, and at the same time, the heating medium in the upper jacket 7 is used to heat the reactant in the first chamber 2 to accelerate the reaction efficiency. When the heating reaction is finished, the valve 6 can be controlled to open the circulation pipe 5, so that the reactant flows into the second chamber 3 along the circulation pipe 5, and the reactant is cooled and stirred and mixed for a second time through the cooling medium in the lower jacket 8 and the stirring blade 13 and the scraper 12. After cooling, the reactant is discharged through the discharge pipe 21. The high-temperature reaction and the low-temperature reaction are realized synchronously by connecting in series, which is not only simple to operate, but also can improve the production work.

[0029] At the same time, the forward and reverse motor 16 drives the connecting rod to drive the kettle body 1 to swing left and right, thereby adjusting the angle of the kettle body 1, and adjusting the inclination of the kettle body 1 to further improve the mixing effect of the reactants, while also facilitating the mutual circulation and discharge of the reactants.

[0030] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A kettle reaction device for producing trimethoxysilane, characterized in that: The invention comprises a kettle body (1), wherein the top and bottom of the kettle body (1) are respectively connected through a feed pipe (20) and a discharge pipe (21), wherein a first chamber (2) and a second chamber (3) are respectively arranged inside the kettle body (1), and the first chamber (2) and the second chamber (3) are isolated from each other by a baffle (4), and a flow pipe (5) for passing through the first chamber (2) and the second chamber (3) is connected to the outer wall of the kettle body (1), and a valve (6) for opening and closing the flow pipe (5) is installed on the flow pipe (5); The kettle body (1) is provided with a mixing mechanism for stirring the first chamber (2) and the second chamber (3); The two ends of the outside of the kettle body (1) are also provided with tilting mechanisms for driving the kettle body (1) to adjust the angle.

2. A kettle reaction device for producing trimethoxysilane according to claim 1, characterized in that: The mixing mechanism comprises a driving motor (9) fixedly mounted on the outer top surface of the first chamber (2); a hollow rotating rod (10) is rotatably connected to the inner bottom surface of the second chamber (3); one end of the hollow rotating rod (10) passes through the first chamber (2) and is fixedly connected to the output end of the driving motor (9); Two groups of fixed sleeves (11) and two groups of scraper rods (12) are respectively installed inside the first chamber (2) and the second chamber (3) and on the outer surface of the hollow rotating rod (10), and stirring blades (13) are rotatably connected at both ends of the two groups of fixed sleeves (11), and the outer surfaces of the two groups of scraper rods (12) are respectively in contact with the inner side walls of the first chamber (2) and the second chamber (3).

3. A kettle reaction device for producing trimethoxysilane according to claim 2, characterized in that: A fixing rod (17) is installed on the inner bottom surface of the second chamber (3) and located inside the hollow rotating rod (10), and one end of the fixing rod (17) extends to the inside of the first chamber (2). A main bevel gear (18) is fixedly installed on the outer ends of the fixing rod (17) and located inside the fixing sleeve (11) on the first chamber (2) and the second chamber (3). One end of the two stirring blades (13) extends to the inside of the fixing sleeve (11) and is fixedly installed with a driven bevel gear (19), and the main bevel gear (18) and the driven bevel gear (19) are meshingly connected.

4. A kettle reaction device for producing trimethoxysilane according to claim 1, characterized in that: The tilting mechanism comprises support frames (14) arranged at two ends of the outside of the kettle body (1), and fixed blocks (15) are installed at two ends of the outside of the kettle body (1), and the two fixed blocks (15) are rotatably connected to the inner side walls of the two support frames (14) through two connecting rods. A forward and reverse motor (16) is installed on the outside of one of the support frames (14), and one end of the connecting rod extends to the outside of the support frame (14) and is fixedly connected to the output end of the forward and reverse motor (16).

5. A kettle reaction device for producing trimethoxysilane according to claim 1, characterized in that: The outer side of the kettle body (1) is also connected to an upper jacket (7) and a lower jacket (8), respectively. The interiors of the upper jacket (7) and the lower jacket (8) are respectively filled with a heating medium and a cooling medium.

6. A kettle reaction device for producing trimethoxysilane according to claim 3, characterized in that: The outer surface of the stirring blade (13) is provided with water permeable holes.

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