Reaction device for preparing polyether silane

Abstract

The utility model discloses a reaction device for preparing polyether silane. The reaction device comprises a reaction kettle and a stirring mechanism arranged in the reaction kettle, the stirring mechanism comprises a motor, a transmission rod arranged on the inner wall of the top of the reaction kettle, a spiral blade arranged on the circumferential outer wall of the transmission rod, and a fixed cylinder arranged on the inner wall of the bottom of the reaction kettle; the motor is fixedly connected to the upper surface of the reaction kettle, the two ends of the transmission rod are rotationally connected with the top inner wall and the bottom inner wall of the reaction kettle respectively, and the spiral blade is fixedly connected to the circumferential outer wall of the transmission rod; the spiral blade not only can be driven by the transmission rod to fully stir materials in the reaction kettle, but also can effectively promote the materials to circularly flow up and down as the spiral blade is positioned in the fixed cylinder and is connected with the bottom of the reaction kettle through the circulating groove at the bottom end of the fixed cylinder, so that the reaction is more uniform, the production efficiency is improved, and the production cost is reduced. And the consistency of product quality is ensured, and the method is crucial to synthesis of polyether silane.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of polyether silane preparation, especially relates to a reaction device for polyether silane preparation. BACKGROUND

[0002] In the chemical industry, polyether silane, as a high-performance material, has shown extensive application potential in many fields such as coatings, sealants, adhesives and the like due to its unique chemical structure and excellent physical properties. The preparation of polyether silane usually involves a complex chemical reaction process, which includes the mixing of raw materials, the addition of catalysts, the control of temperature, and the adjustment of reaction time, and many other aspects.

[0003] However, in the traditional polyether silane preparation process, the traditional stirring method often fails to ensure the comprehensive and uniform mixing of the materials in the reaction kettle, resulting in the easy stagnation and accumulation of materials on the inner wall and bottom of the reaction kettle, thereby affecting the purity and uniformity of the product.

[0004] Therefore, in order to solve the above problems, a reaction device for polyether silane preparation is proposed. SUMMARY

[0005] The utility model overcomes the prior art's insufficient, provides a kind of reaction device for polyether silane preparation.

[0006] To achieve the above object, the utility model adopts the technical scheme as follows: a kind of reaction device for polyether silane preparation, comprising: reaction kettle, stirring mechanism being arranged in the reaction kettle;

[0007] The stirring mechanism comprises: motor, transmission rod being arranged in the inner wall of the top of the reaction kettle, spiral blade being arranged in the circumferential outer wall of the transmission rod, and fixed cylinder being arranged in the inner wall of the bottom of the reaction kettle;

[0008] The motor is fixedly connected to the upper surface of the reaction kettle, the two ends of the transmission rod are rotatably connected to the top inner wall and the bottom inner wall of the reaction kettle, and the spiral blade is fixedly connected to the circumferential outer wall of the transmission rod.

[0009] The fixed cylinder is fixedly connected to the bottom inner wall of the reaction kettle, the spiral blade is located in the fixed cylinder, and the circumferential outer wall of the bottom end of the fixed cylinder is provided with a plurality of through flow grooves.

[0010] In a preferred embodiment of the utility model, the circumferential outer wall of the transmission rod is fixedly connected with a plurality of connecting rods, the other end of each of the plurality of connecting rods is fixedly connected with a connecting ring, and the circumferential outer wall of the connecting ring is tightly fitted with the circumferential inner wall of the reaction kettle.

[0011] The bottom of the connecting ring is fixedly connected with a plurality of scrapers, and the bottom of the plurality of scrapers is fixedly connected with a same fixing ring.

[0012] In a preferred embodiment of the utility model, the outer wall of the plurality of scrapers is tightly attached to the circumferential inner wall of the reaction kettle, and the bottom of the fixing ring is rotationally connected to the bottom inner wall of the reaction kettle.

[0013] In a preferred embodiment of the utility model, the inner wall of the plurality of scrapers is fixedly connected with a plurality of stirring rods.

[0014] In a preferred embodiment of the utility model, the upper surface of the reaction kettle is fixedly connected with a protective shell, and the motor is located in the protective shell.

[0015] In a preferred embodiment of the utility model, the circumferential outer wall of the protective shell is provided with a plurality of penetrating heat dissipation holes.

[0016] In a preferred embodiment of the utility model, the upper surface of the reaction kettle is connected with a feeding hopper through a pipeline.

[0017] In a preferred embodiment of the utility model, the bottom of the reaction kettle is connected with a discharging pipe through a pipeline.

[0018] In a preferred embodiment of the utility model, the bottom of the reaction kettle is fixedly connected with a plurality of supporting legs.

[0019] The utility model solves the defects in the background art, and has the following beneficial effects:

[0020] (1) The utility model provides a reaction device for preparing polyether silane, which realizes efficient mixing effect through the arrangement of the stirring mechanism, and the arrangement of the spiral blade can not only fully stir the materials in the reaction kettle under the driving of the transmission rod, but also effectively promote the up-down circulation of the materials by connecting the fixed cylinder bottom end flow-through groove with the reaction kettle bottom, so that the reaction is more uniform, the production efficiency is improved, the product quality consistency is ensured, and the synthesis of polyether silane is very important.

[0021] (2) The utility model provides a reaction device for preparing polyether silane, which optimizes the material scraping effect in the stirring process through the arrangement of the connecting rod, the connecting ring and the scraper. The scraper is tightly attached to the inner wall of the reaction kettle, can effectively scrape off the materials attached to the kettle wall with the rotation of the stirring mechanism, avoids the waste and incomplete reaction caused by material residues. At the same time, the arrangement of the stirring rod further enhances the stirring effect, so that the material flow in the reaction kettle is more complex and variable, which helps to improve the reaction efficiency and product quality.

[0022] (3) The utility model discloses a kind of reaction devices for preparation of polyether silane, by fixedly connected on the upper surface of reactor, it provides the safe operating environment for motor, avoid the interference and damage of external environment.Meanwhile, the heat dissipation hole opened on the protective shell can effectively dissipate the heat generated during the operation of motor, ensure the stable operation and long service life of motor, improve the safety and reliability of device body simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in connection with drawings and examples;

[0024] Figure 1 It is the device body cutaway perspective structure diagram of preferred embodiment of the utility model;

[0025] Figure 2 It is the device body appearance perspective structure diagram of preferred embodiment of the utility model.

[0026] In the drawing: 1, reactor;2, stirring mechanism;201, fixed cylinder;202, motor;203, protective shell;204, heat dissipation hole;205, transmission rod;206, connecting rod;207, connecting ring;208, scraper;209, stirring rod;210, fixed ring;211, spiral blade;212, flow-through groove;3, feed hopper;4, discharge pipe;5, support leg. DETAILED DESCRIPTION

[0027] The utility model is now further described in detail in connection with drawings and examples, these drawings are all simplified schematic diagram, just with schematic way to show the basic structure of the utility model, thus it just shows the structure related to the utility model.

[0028] As Figure 1 Indicated, a kind of reaction devices for preparation of polyether silane, including: reactor 1, the stirring mechanism 2 being set in reactor 1;

[0029] As Figure 2 Indicated, stirring mechanism 2 includes: motor 202, the transmission rod 205 being set in the top inner wall of reactor 1, the spiral blade 211 being set in the circumferential outer wall of transmission rod 205, and the fixed cylinder 201 being set in the bottom inner wall of reactor 1;

[0030] Motor 202 is fixedly connected on the upper surface of reactor 1, the two ends of transmission rod 205 are rotatably connected with the top inner wall and the bottom inner wall of reactor 1, and spiral blade 211 is fixedly connected on the circumferential outer wall of transmission rod 205;

[0031] Fixed cylinder 201 is fixedly connected on the bottom inner wall of reactor 1, spiral blade 211 is located in fixed cylinder 201, and the circumferential outer wall of the bottom end of fixed cylinder 201 is provided with a plurality of through flow-through grooves 212.

[0032] It should be noted that the rotation of the transmission rod 205 and the spiral blade 211 driven by the motor 202 realizes comprehensive and uniform stirring of the reaction material, improves the stirring efficiency, and ensures sufficient mixing of the material during the reaction, which is beneficial to the uniform reaction. The spiral blade 211 is located in the fixed cylinder 201 and is connected to the bottom of the reaction kettle 1 through the flow-through groove 212 at the bottom end of the fixed cylinder 201, which can effectively solve the problem of uneven stirring of the material at the bottom in the traditional stirring mode, and ensure that the material at the bottom of the reaction kettle 1 can also be fully stirred and reacted, improving the quality and uniformity of the product.

[0033] As shown in Figures 1-2 , the circumferential outer wall of the transmission rod 205 is fixedly connected with a plurality of connecting rods 206, the other end of the plurality of connecting rods 206 is fixedly connected with a connecting ring 207, the circumferential outer wall of the connecting ring 207 is closely fitted with the circumferential inner wall of the reaction kettle 1;

[0034] The bottom of the connecting ring 207 is fixedly connected with a plurality of scrapers 208, the bottom of the plurality of scrapers 208 is fixedly connected with a same fixed ring 210, the outer wall of the plurality of scrapers 208 is closely fitted with the circumferential inner wall of the reaction kettle 1, the bottom of the fixed ring 210 is rotatably connected with the inner wall of the bottom of the reaction kettle 1, and the inner wall of the plurality of scrapers 208 is fixedly connected with a plurality of stirring rods 209.

[0035] It should be noted that the circumferential outer wall of the transmission rod 205 is fixedly connected with the connecting ring 207 through the connecting rod 206, and the scraper 208 is fixedly connected at the bottom of the connecting ring 207, forming a stirring system around the inner wall of the reaction kettle 1, increasing the contact area of stirring, and through the close fit of the scraper 208 with the inner wall of the reaction kettle 1, effectively preventing the material from staying and accumulating on the kettle wall, thereby enhancing the stirring effect and the uniformity of the material. The addition of the stirring rod 209 further improves the stirring efficiency and reaction speed.

[0036] As shown in Figures 1-2 , the upper surface of the reaction kettle 1 is fixedly connected with a protective shell 203, the motor 202 is located in the protective shell 203, a plurality of through cooling holes 204 are formed in the circumferential outer wall of the protective shell 203, the upper surface of the reaction kettle 1 is pipeline-connected with a feeding hopper 3, the bottom of the reaction kettle 1 is pipeline-connected with a discharging pipe 4, and the bottom of the reaction kettle 1 is fixedly connected with a plurality of supporting feet 5.

[0037] It should be noted that the protective shell 203 can effectively prevent external impurities, moisture and the like from entering the interior of the motor 202, avoiding damage or malfunction of the motor 202. The heat dissipation holes 204 ensure that the heat generated by the motor 202 during operation can be promptly dissipated, avoiding performance degradation or damage caused by overheating of the motor 202. The inlet hopper 3 connected to the upper surface pipeline of the reaction kettle 1 and the outlet pipe 4 connected to the bottom pipeline provide a convenient channel for the input and output of the material. The support feet 5 provide stable support for the equipment.

[0038] In use, the material is added to the reaction kettle 1 through the inlet hopper 3. During stirring, the motor 202 is started, so that the output shaft of the motor 202 rotates. The rotation of the output shaft of the motor 202 drives the transmission rod 205 and the spiral blade 211 to start rotating, so that the material at the bottom of the reaction kettle 1 is guided out through the fixed cylinder 201 by the spiral blade 211, forming a circulation. At the same time, the scraper 208 and the stirring rod 209 will also move, fully and uniformly stirring the reaction material, and scraping the residual material on the inner wall of the reaction kettle 1. When the reaction reaches the predetermined time or the material state meets the requirements, the motor 202 is turned off and the stirring is stopped. The reacted material is discharged from the reaction kettle 1 through the outlet pipe 4.

[0039] Based on the ideal embodiments of the present utility model, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present utility model. The technical scope of the present utility model is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. A reaction apparatus for preparing polyether silane, comprising: A reaction vessel (1), and a stirring mechanism (2) disposed within the reaction vessel (1), characterized in that; The stirring mechanism (2) includes: a motor (202), a transmission rod (205) disposed on the inner wall of the top of the reactor (1), a spiral blade (211) disposed on the outer wall of the circumference of the transmission rod (205), and a fixed cylinder (201) disposed on the inner wall of the bottom of the reactor (1). The motor (202) is fixedly connected to the upper surface of the reactor (1), the two ends of the transmission rod (205) are rotatably connected to the top inner wall and the bottom inner wall of the reactor (1) respectively, and the spiral blade (211) is fixedly connected to the outer circumferential wall of the transmission rod (205). The fixed cylinder (201) is fixedly connected to the bottom inner wall of the reactor (1), the spiral blade (211) is located inside the fixed cylinder (201), and a number of through flow grooves (212) are opened on the circumferential outer wall at the bottom end of the fixed cylinder (201).

2. The reaction apparatus for preparing polyether silane according to claim 1, characterized in that: The outer circumferential wall of the transmission rod (205) is fixedly connected to several connecting rods (206), and the other end of each of the connecting rods (206) is fixedly connected to a connecting ring (207). The outer circumferential wall of the connecting ring (207) is tightly fitted to the inner circumferential wall of the reactor (1).

3. The reaction apparatus for preparing polyether silane according to claim 2, characterized in that: The bottom of the connecting ring (207) is fixedly connected to a plurality of scrapers (208), and the bottom of the plurality of scrapers (208) is fixedly connected to the same fixing ring (210).

4. The reaction apparatus for preparing polyether silane according to claim 3, characterized in that: The outer walls of several scrapers (208) are tightly fitted to the inner circumferential wall of the reactor (1), and the bottom of the fixing ring (210) is rotatably connected to the bottom inner wall of the reactor (1).

5. The reaction apparatus for preparing polyether silane according to claim 3, characterized in that: Several stirring rods (209) are fixedly connected to the inner walls of several scrapers (208).

6. The reaction apparatus for preparing polyether silane according to claim 1, characterized in that: A protective shell (203) is fixedly connected to the upper surface of the reactor (1), and the motor (202) is located inside the protective shell (203).

7. The reaction apparatus for preparing polyether silane according to claim 6, characterized in that: The outer circumferential wall of the protective shell (203) is provided with several through-holes (204).

8. The reaction apparatus for preparing polyether silane according to claim 1, characterized in that: The upper surface of the reactor (1) is connected to a feed hopper (3).

9. The reaction apparatus for preparing polyether silane according to claim 1, characterized in that: The bottom pipe of the reactor (1) is connected to the discharge pipe (4).

10. The reaction apparatus for preparing polyether silane according to claim 1, characterized in that: The bottom of the reactor (1) is fixedly connected with several support legs (5).

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