Preparation device of polysilazane

Abstract

The utility model discloses a polysilazane preparation device which comprises a base plate, the upper end of the base plate is fixedly connected with a reaction kettle, a cylindrical groove is formed in the reaction kettle, the upper end of the reaction kettle is fixedly connected with a fixed sealing plate, the lower end of the fixed sealing plate is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a stirring rod. The stirring rod is located in the reaction kettle, and stirring blades are arranged at the side end of the stirring rod; a stirring and pressurizing integrated mechanism is formed by the reaction kettle, a fixed sealing plate, a driving motor, a stirring rod, a hydraulic cylinder, a hydraulic rod, a stamping plate, a stamping tank and a pressurizing pipe, rapid stirring and pressurizing can be carried out in the reaction process, the contact opportunity of reactants can be increased through stirring, the concentration of the reactants can be effectively improved by increasing the pressure in the reaction kettle, and the reaction efficiency is improved. The reaction rate is accelerated, and the preparation efficiency of the device is improved; the device is convenient to feed and discharge and simple to operate, the workload is reduced, and the preparation difficulty of polysilazane is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical preparation, especially relates to a preparation device of polysilazane. BACKGROUND

[0002] The existing polysilazane preparation device is slow in reaction process when preparing polysilazane, and the way to promote the reaction rate is too single, the reaction rate is limited, which will lead to low preparation efficiency of the device. Chinese patent discloses a kind of " polysilazane preparation device", its application number is "CN201822255505.9", crude product after reaction enters product separator through the lower end opening of tubular reactor, while separating by-product, unreacted high-purity ammonia gas and mixed solution are transported back to reactor for cyclic reaction, realize the full use of raw materials, greatly reduce the waste of raw materials, improve conversion rate;It can timely and effectively separate by-product in preparation process, avoid the shortcomings that a large amount of by-product is produced in kettle reactor to hinder ammonia gas and raw material liquid contact. But the reaction process of the device is slow, it is not conducive to the rapid production of polysilazane, and the preparation efficiency of the device is low. SUMMARY

[0003] The utility model aims at least to solve one of the technical problems existing in prior art, provide a kind of polysilazane's preparation device, by reaction kettle, fixed sealing plate, drive motor, stirring rod, hydraulic cylinder, hydraulic rod, punch plate, punch tank and pressurizing pipe constitute stirring pressurization integrated mechanism, can be in the process of reaction fast stirring and pressurization, stirring will increase the chance of contact of reactant, increase the pressure in reaction kettle can effectively improve reactant concentration, to speed up the reaction rate in turn, the preparation efficiency of device is improved;The device is convenient for feeding and discharging, easy to operate, reduces the work amount, reduces the preparation difficulty of polysilazane.

[0004] The utility model further provides a kind of polysilazane's preparation device with the above, it include: base plate, the upper end of the base plate is fixedly connected with reaction kettle, the inside of the reaction kettle is provided with cylindrical groove, the upper end of the reaction kettle is fixedly connected with fixed sealing plate, the lower end of the fixed sealing plate is fixedly connected with drive motor, the output of the drive motor is fixedly connected with stirring rod, the stirring rod is located in the inside of reaction kettle, the side end of the stirring rod is provided with stirring blade;Hydraulic cylinder, the upper end of the hydraulic cylinder is fixedly connected in base plate, the upper end of the hydraulic cylinder is fixedly connected with punch tank, the punch tank is connected with reaction kettle by pressurizing pipe, the upper end of the hydraulic cylinder is provided with hydraulic rod, the upper end of the hydraulic rod is fixedly connected with punch plate, the punch plate is located in the inside of punch tank.

[0005] The utility model relates to a preparation device of polysilazane, the lower extreme fixed connection of base plate has the trundle, the trundle is located four corners at the lower extreme of base plate. The movement of convenient device is improved, and the convenience of device use is improved.

[0006] The utility model relates to a preparation device of polysilazane, the upper extreme fixed connection of base plate has the dimethylsilane jar, the upper extreme of dimethylsilane jar is provided with first jar cover. The storage and supply of dimethylsilane are convenient.

[0007] The utility model relates to a preparation device of polysilazane, the upper extreme fixed connection of base plate has the first liquid pump, the input end of first liquid pump is linked with dimethylsilane jar through first pipe, and the output end of first liquid pump is linked with the reation kettle through second pipe. It is favorable to the fast delivery of dimethylsilane.

[0008] The utility model relates to a preparation device of polysilazane, the upper extreme fixed connection of base plate has ammonia gas jar, the upper extreme of ammonia gas jar is provided with second jar cover. The storage and supply of ammonia gas are convenient.

[0009] The utility model relates to a preparation device of polysilazane, the upper extreme fixed connection of base plate has the gas pump, the input end of gas pump is linked with ammonia gas jar through third pipe, and the output end of gas pump is linked with the reation kettle through fourth pipe. It is favorable to the fast delivery of ammonia gas.

[0010] The utility model relates to a preparation device of polysilazane, the upper extreme fixed connection of base plate has the collection jar, the upper extreme of collection jar is provided with third jar cover. The collection storage of polysilazane is convenient.

[0011] The utility model relates to a preparation device of polysilazane, the upper extreme fixed connection of base plate has the separation filtration pump, the input end of separation filtration pump is linked with the reation kettle through fifth pipe, and the output end of separation filtration pump is linked with collection jar through sixth pipe. It is favorable to the separation, filtration and collection of polysilazane.

[0012] The utility model relates to a preparation device of polysilazane, the punch jar is with hydraulic rod sleeve joint, the side inner wall of punch jar and the side end of punch plate are abutted. Make compact stable structure, it is favorable to stable pressurization. Beneficial effects

[0013] 1. Compared with the prior art, the preparation device of polysilazane can quickly stir and pressurize in the reaction process through the stirring and pressurizing integrated mechanism composed of the reaction kettle, the fixed sealing plate, the driving motor, the stirring rod, the hydraulic cylinder, the hydraulic rod, the punching plate, the punching tank and the pressurizing pipe, the stirring increases the contact opportunity of reactants, the increased pressure in the reaction kettle can effectively improve the concentration of reactants, thereby accelerating the reaction rate, and the preparation efficiency of the device is improved.

[0014] 2. Compared with the prior art, the preparation device of polysilazane is convenient for feeding and discharging, simple to operate, reduces the work amount, and reduces the preparation difficulty of polysilazane. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and examples;

[0016] Figure 1 It is whole structure schematic diagram of preparation device of polysilazane of the utility model;

[0017] Figure 2 It is overhead structure schematic diagram of preparation device of polysilazane of the utility model;

[0018] Figure 3 It is longitudinal stereoscopic section structure schematic diagram of preparation device of polysilazane of the utility model;

[0019] Figure 4 It is transverse stereoscopic section structure schematic diagram of preparation device of polysilazane of the utility model.

[0020] LEGEND:

[0021] 1. substrate; 2, third tank cover; 3, separation filter pump; 4, reaction kettle; 5, fixed sealing plate; 6, pressurizing pipe; 7, first liquid pump; 8, fourth conduit; 9, air pump; 10, first tank cover; 11, second tank cover; 12, ammonia tank; 13, trundle; 14, dimethylsilane tank; 15, punching tank; 16, hydraulic cylinder; 17, collection tank; 18, first conduit; 19, third conduit; 20, fifth conduit; 21, sixth conduit; 22, driving motor; 23, stirring rod; 24, stirring blade; 25, second conduit; 26, hydraulic rod; 27, punching plate; 28, cylindrical groove. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figures 1-4 The utility model discloses an embodiment of preparation device of polysilazane, it includes: base plate 1, the lower end fixed connection of base plate 1 has trundle 13, the device is moved, and trundle 13 is located four corners at the lower end of base plate 1, and the upper end fixed connection of base plate 1 has reaction kettle 4, and carries out ammoniation reaction, and the inside of reaction kettle 4 is provided with cylindrical groove 28, forms reasonable stirring space, and the dimethylsilane and ammonia gas are accommodated to carry out ammoniation reaction, and the upper end fixed connection of reaction kettle 4 has fixed sealing plate 5, and the top of reaction kettle 4 is sealed, and drive motor 22 is fixed, and the lower end fixed connection of fixed sealing plate 5 has drive motor 22, and drive stirring rod 23 in cylindrical groove 28 high -speed rotation to carry out stirring to dimethylsilane, and the output fixed connection of drive motor 22 has stirring rod 23, and dimethylsilane is stirred to promote the quick performance of ammoniation reaction, and stirring rod 23 is located in the inside of reaction kettle 4, and the side end of stirring rod 23 is provided with stirring vane 24, and dimethylsilane is fully stirred, and the upper end fixed connection of base plate 1 has dimethylsilane tank 14, and stores and provides dimethylsilane, and the upper end of dimethylsilane tank 14 is provided with first tank cover 10, and dimethylsilane tank 14 is sealed, and the upper end fixed connection of base plate 1 has first liquid pump 7, and provides power for the delivery of dimethylsilane, and the input of first liquid pump 7 is connected with dimethylsilane tank 14 through first conduit 18, and the output of first liquid pump 7 is connected with reaction kettle 4 through second conduit 25, and the upper end fixed connection of base plate 1 has ammonia gas tank 12, and stores and provides ammonia gas, and the upper end of ammonia gas tank 12 is provided with second tank cover 11, and ammonia gas tank 12 is sealed, and the upper end fixed connection of base plate 1 has air pump 9, and provides power for the delivery of ammonia gas, and the input of air pump 9 is connected with ammonia gas tank 12 through third conduit 19, and the output of air pump 9 is connected with reaction kettle 4 through fourth conduit 8, and the upper end fixed connection of base plate 1 has collection tank 17, and collects the polysilazane of separation filtration completion, and the upper end of collection tank 17 is provided with third tank cover 2, and collection tank 17 is sealed, and the upper end fixed connection of base plate 1 has separation filtration pump 3, and the polysilazane of generation is separated and filtered, and the input of separation filtration pump 3 is connected with reaction kettle 4 through fifth conduit 20, and the output of separation filtration pump 3 is connected with collection tank 17 through sixth conduit 21;

[0024] The hydraulic cylinder 16 is fixedly connected to the upper end of the base plate 1, the upper end of the hydraulic cylinder 16 is fixedly connected with the stamping tank 15, forming a stamping space, the stamping tank 15 is communicated with the reaction kettle 4 through the pressurizing pipe 6, the upper end of the hydraulic cylinder 16 is provided with the hydraulic rod 26, the stamping plate 27 is driven to press up under the driving of the hydraulic cylinder 16, the upper end of the hydraulic rod 26 is fixedly connected with the stamping plate 27, the stamping plate 27 is pressed up to increase the concentration of ammonia gas in the reaction kettle 4, promoting the ammonia reaction to move to the direction of generating polysilazane, promoting the generation of polysilazane, the stamping plate 27 is located in the inside of the stamping tank 15, the stamping tank 15 is sleeved with the hydraulic rod 26, and the side inner wall of the stamping tank 15 abuts against the side end of the stamping plate 27.

[0025] Working principle: the polysilazane preparation device is used for preparing polysilazane, dimethylsilane and ammonia gas can perform an ammonia reaction in the reaction kettle 4, the driving motor 22 drives the stirring rod 23 to stir the dimethylsilane, so that the dimethylsilane can fully contact with the ammonia gas, the stamping plate 27 in the stamping tank 15 is pressed up under the action of the hydraulic cylinder 16, which can increase the concentration of ammonia gas in the reaction kettle 4, and can promote the ammonia reaction to move to the direction of generating polysilazane to promote the generation of polysilazane, and the device can separate, filter and collect the generated polysilazane.

[0026] The above-mentioned embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An apparatus for the preparation of polysilazanes, characterized by Include: The upper end of the substrate (1) is fixedly connected with a reaction kettle (4), the inside of the reaction kettle (4) is provided with a cylindrical groove (28), the upper end of the reaction kettle (4) is fixedly connected with a fixed sealing plate (5), the lower end of the fixed sealing plate (5) is fixedly connected with a driving motor (22), the output end of the driving motor (22) is fixedly connected with a stirring rod (23), the stirring rod (23) is located in the inside of the reaction kettle (4), the side end of the stirring rod (23) is provided with stirring blades (24). The upper end of the substrate (1) is fixedly connected with a hydraulic cylinder (16), the upper end of the hydraulic cylinder (16) is fixedly connected with a stamping tank (15), the stamping tank (15) is communicated with the reaction kettle (4) through a pressurizing pipe (6), the upper end of the hydraulic cylinder (16) is provided with a hydraulic rod (26), the upper end of the hydraulic rod (26) is fixedly connected with a stamping plate (27), the stamping plate (27) is located in the inside of the stamping tank (15).

2. The apparatus for preparing polysilazane according to claim 1, wherein The lower end of the substrate (1) is fixedly connected with a caster (13), the caster (13) is located at the four corners of the lower end of the substrate (1).

3. The apparatus of claim 1, wherein the apparatus is configured to produce a polysilazane having a structure of: ###0001### wherein R is a monovalent hydrocarbon group, R' is a divalent hydrocarbon group, and n is an integer of 1 or more. The upper end of the substrate (1) is fixedly connected with a dimethylsilane tank (14), the upper end of the dimethylsilane tank (14) is provided with a first tank cover (10).

4. The apparatus of claim 1, wherein The upper end of the substrate (1) is fixedly connected with a first liquid pump (7), the input end of the first liquid pump (7) is communicated with the dimethylsilane tank (14) through a first conduit (18), the output end of the first liquid pump (7) is communicated with the reaction kettle (4) through a second conduit (25).

5. The apparatus of claim 1, wherein The upper end of the substrate (1) is fixedly connected with an ammonia tank (12), the upper end of the ammonia tank (12) is provided with a second tank cover (11).

6. The apparatus of claim 1, wherein The upper end of the substrate (1) is fixedly connected with an air pump (9), the input end of the air pump (9) is communicated with the ammonia tank (12) through a third conduit (19), the output end of the air pump (9) is communicated with the reaction kettle (4) through a fourth conduit (8).

7. The apparatus of claim 1, wherein The upper end of the substrate (1) is fixedly connected with a collection tank (17), the upper end of the collection tank (17) is provided with a third tank cover (2).

8. The apparatus of claim 1, wherein The upper end of the substrate (1) is fixedly connected with a separation filter pump (3), the input end of the separation filter pump (3) is communicated with the reaction kettle (4) through a fifth conduit (20), the output end of the separation filter pump (3) is communicated with the collection tank (17) through a sixth conduit (21).

9. The apparatus of claim 1, wherein The stamping tank (15) is sleeved with the hydraulic rod (26), the side inner wall of the stamping tank (15) abuts with the side end of the stamping plate (27).

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