Continuous hydrolytic condensation device for organic silicon resin

Abstract

The utility model discloses an organic silicon resin continuous hydrolytic condensation device which comprises a mixing tank, a stirring structure is arranged in the mixing tank, the stirring structure comprises a driving motor, the output end of the driving motor is fixedly connected with a first gear, the outer wall of the first gear is meshed with two second gears, and the second gears are meshed with the first gear. First stirring rods are fixedly connected to the interiors of the first gears, stirring frames are fixedly connected to the outer walls of the first stirring rods, second stirring rods are fixedly connected to the lower portions of the two second gears, spiral stirring blades are fixedly arranged on the outer walls of the second stirring rods, and a hydrolytic condensation reaction kettle is arranged on one side of the mixing tank. A second connecting pipe is fixedly arranged at the bottom of the hydrolytic condensation reaction kettle, the extending end of the second connecting pipe is fixedly connected with a distillation tank, a filtering structure is arranged in the middle of the second connecting pipe, and a metering pump is fixedly arranged at the upper end of the mixing tank, so that raw materials and water can be fully mixed and stirred, and the processing efficiency of the organic silicon resin is improved.

Description

Technical Field

[0001] This utility model relates to the field of organosilicon resin processing technology, and in particular to a continuous hydrolysis and condensation device for organosilicon resin. Background Technology

[0002] Organochlorosilanes are transformed into linear or cyclic intermediate oligomeric organosiloxanes through hydrolysis and condensation, which are the basis for the synthesis of silicone oils, silicone rubbers, and silicone resins.

[0003] Existing silicone resin processing methods have some shortcomings. Traditional silicone monomers and raw materials such as water do not achieve good uniformity in mixing. Existing mixing devices may not be able to guarantee that the raw materials are fully and uniformly mixed in a short time. They simply use a stirring rack to stir the raw materials, which leads to excessive or incomplete local reactions, affecting the quality of subsequent silicone resin processing and reducing the processing efficiency. To address these issues, an improved and upgraded continuous hydrolysis and condensation device for silicone resin is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a continuous hydrolysis and condensation device for organosilicon resin to solve the problems mentioned in the background art.

[0005] To solve the above problems, the following technical solution is provided: a continuous hydrolysis and condensation device for organosilicon resin, comprising a mixing tank, wherein a stirring structure is provided inside the mixing tank, the stirring structure includes a drive motor, a first gear is fixedly connected to the output end of the drive motor, two second gears are meshed with the outer walls of the first gear, a first stirring rod is fixedly connected inside the first gear and a stirring frame is fixedly connected to the outer wall of the first stirring rod, a second stirring rod is fixedly connected below each of the two second gears and a spiral stirring blade is fixedly provided on the outer wall of the second stirring rod, a hydrolysis and condensation reactor is provided on one side of the mixing tank, a second connecting pipe is fixedly provided at the bottom of the hydrolysis and condensation reactor and a distillation tank is fixedly connected to the extension end of the second connecting pipe, and a filter structure is provided in the middle of the second connecting pipe.

[0006] As a preferred embodiment of the above technical solution, a metering pump is fixedly installed at the upper end of the mixing tank, the drive motor is fixedly installed on the protective frame and the bottom of the protective frame is fixedly installed at the upper end of the mixing tank, and the first gear and the second gear are both rotatably installed at the upper end of the mixing tank.

[0007] As a preferred embodiment of the above technical solution, a scraper is fixedly connected to one end of the first stirring rod, the scraper is attached to the bottom of the inner side of the mixing tank, a first connecting pipe is fixedly provided at the bottom of the mixing tank and a feed pump is connected to the middle of the first connecting pipe, one end of the first connecting pipe penetrates the interior of the hydrolysis tower, and the hydrolysis tower is installed at the top of the hydrolysis condensation reactor.

[0008] As a preferred embodiment of the above technical solution, the filter structure includes a filter box, the interior of which is connected to a second connecting pipe, and a first filter plate and a second filter plate are respectively disposed inside the filter box, wherein the filter pore size of the first filter plate is larger than that of the second filter plate.

[0009] As a preferred embodiment of the above technical solution, both the outer walls of the first filter plate and the second filter plate are fixedly provided with sliders, and the sliders are slidably connected inside the filter box. A sealing cover is provided above the filter box, and a handle is provided above the sealing cover.

[0010] As a preferred embodiment of the above technical solution, the filter box and the outer wall of the sealing cover are symmetrically fixedly connected with limiting protrusions, and the two sets of limiting protrusions are internally threaded with threaded rods.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. The device of this utility model is equipped with components such as a first gear, a second gear, a stirring frame, a scraper, and a spiral stirring blade. The two stirring rods are driven to rotate simultaneously by a drive motor, which in turn drives the scraper, stirring frame, and spiral stirring blade to rotate. This facilitates the thorough and uniform mixing of raw materials and water, avoiding the problems of excessive or incomplete local reactions caused by the inability of existing mixing devices to ensure that the raw materials are thoroughly and uniformly mixed in a short time. This improves the processing efficiency and quality of organosilicon resin.

[0013] 2. The device of this utility model is equipped with components such as a filter box, a first filter plate, a second filter plate, a threaded rod, and a sealing cover plate, which facilitates the filtration and interception of some solid particles or high-viscosity substances that may be generated during the hydrolysis and condensation reaction. This prevents them from accumulating inside the pipes, causing equipment blockage and affecting the continuous operation of the device, thereby reducing equipment downtime for maintenance and improving the overall production efficiency of the device.

[0014] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications, and equivalents. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of a continuous hydrolysis and condensation device for organosilicon resin according to the present invention.

[0017] Figure 2 This is a partial cross-sectional structural diagram of a continuous hydrolysis and condensation device for organosilicon resin according to the present invention.

[0018] Figure 3 for Figure 2 A schematic diagram of the disassembled stirring structure;

[0019] Figure 4 for Figure 2 A schematic diagram of the filter structure breakdown.

[0020] In the diagram: 1. Mixing tank; 2. Stirring structure; 21. Drive motor; 22. First gear; 23. Second gear; 24. First stirring rod; 241. Stirring frame; 25. Scraper;

[0021] 26. Second stirring rod; 27. Spiral stirring blade; 3. Metering pump; 4. First connecting pipe;

[0022] 41. Second connecting pipe; 5. Feed pump; 6. Hydrolysis condensation reactor; 7. Filtration structure; 71. Filter box; 72. First filter plate; 73. Second filter plate; 74. Sliding block; 75. Sealing cover plate; 76. Threaded rod; 77. Limiting protrusion; 8. Distillation tank. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 4 As shown in the figure, this embodiment provides a continuous hydrolysis and condensation device for organosilicon resin, including a mixing tank 1. The mixing tank 1 is equipped with a stirring structure 2. The stirring structure 2 includes a drive motor 21. The output end of the drive motor 21 is fixedly connected to a first gear 22. The outer wall of the first gear 22 is meshed with two second gears 23. The first gear 22 is fixedly connected to a first stirring rod 24, and the outer wall of the first stirring rod 24 is fixedly connected to a stirring frame 241. The two second gears 23 are fixedly connected to a second stirring rod 26, and the outer wall of the second stirring rod 26 is fixedly provided with a spiral stirring blade 27. A hydrolysis and condensation reactor 6 is provided on one side of the mixing tank 1. The bottom of the hydrolysis and condensation reactor 6 is fixedly provided with a second connecting pipe 41, and the extension end of the second connecting pipe 41 is fixedly connected to a distillation tank 8. A filter structure 7 is provided in the middle of the second connecting pipe 41.

[0025] like Figures 2 to 3As shown, a metering pump 3 is fixedly installed at the upper end of the mixing tank 1, a drive motor 21 is fixedly installed on the protective frame and the bottom of the protective frame is fixedly installed at the upper end of the mixing tank 1, the first gear 22 and the second gear 23 are both rotatably installed at the upper end of the mixing tank 1, a scraper 25 is fixedly connected to one end of the first stirring rod 24 and the scraper 25 is attached to the bottom of the inner side of the mixing tank 1, a first connecting pipe 4 is fixedly installed at the bottom of the mixing tank 1 and a feed pump 5 is connected to the middle of the first connecting pipe 4, one end of the first connecting pipe 4 passes through the inside of the hydrolysis tower and the hydrolysis tower is installed at the upper end of the hydrolysis condensation reactor 6.

[0026] The metering pump 3 facilitates quantitative control of the raw materials, ensuring that they are mixed in a certain proportion. When the first stirring rod 24 drives the scraper 25 to rotate, it facilitates stirring of the raw materials at the bottom of the mixing tank 1 to prevent sedimentation. The two second gears 23 simultaneously drive the spiral stirring blades 27 on the second stirring rod 26 to rotate, promoting thorough and uniform mixing of the raw materials and water.

[0027] like Figure 4 As shown, the filter structure 7 includes a filter box 71, which is connected to the second connecting pipe 41. A first filter plate 72 and a second filter plate 73 are respectively arranged inside the filter box 71. The filter holes of the first filter plate 72 are larger than those of the second filter plate 73. A slider 74 is fixedly arranged on the outer wall of both the first filter plate 72 and the second filter plate 73, and the slider 74 is slidably connected inside the filter box 71. A sealing cover plate 75 is arranged on the top of the filter box 71, and a handle is arranged on the top of the sealing cover plate 75. Limiting protrusions 77 are symmetrically fixedly connected to the outer walls of the filter box 71 and the sealing cover plate 75. Threaded rods 76 are threadedly connected inside the two sets of limiting protrusions 77.

[0028] Solid particles and high-viscosity substances are intercepted by using the first filter plate 72 and the second filter plate 73 in the filter box 71. Due to the different pore sizes in the two filter plates, it is easy to intercept particles of different sizes. After filtration, the threaded rods 76 on the two sets of limiting protrusions 77 are rotated to displace them, so that the sealing cover plate 75 can be pulled out. Then, the two filter plates are pulled out by the slider 74 to facilitate cleaning of their surfaces.

[0029] The working principle and process of this utility model are as follows: First, the operator pours the silicone resin raw material from the mixing tank 1 into the mixing tank 1 via the metering pump 3. Then, the raw material is precisely delivered into the internal device of the mixing tank 1. At this time, the external power supply is turned on, and the drive motor 21 drives the first gear 22 to rotate, which in turn drives the two second gears 23 to rotate. The first gear 22 drives the stirring frame 241 and scraper 25 on the first stirring rod 24 to stably mix the raw material and water. The scraper 25 stirs the raw material at the bottom of the mixing tank 1 to prevent sedimentation. At the same time, the two second gears 23 drive the spiral stirring blades 27 on the second stirring rod 26 to rotate, so as to fully and evenly mix the raw material and water. After the raw material is fully mixed in the mixing tank 1, the mixed raw material is transported through the first connecting pipe 4 by the feed pump 5. The product enters the hydrolysis tower and then the hydrolysis condensation reactor 6. The temperature control system inside the reactor ensures that the reaction is carried out within the set temperature range. The product after the reaction is transported sequentially through the second connecting pipe 41 to the multi-stage distillation tank 8 for preliminary separation. When the product after the reaction is transported, some solid particles or high-viscosity substances may be generated in the hydrolysis condensation reaction, which can easily cause the pipe to become clogged. At this time, the first filter plate 72 and the second filter plate 73 in the filter box 71 are used to intercept solid particles and high-viscosity substances. Due to the different pore sizes in the two filter plates, it is easy to intercept particles of different sizes. After filtration, the threaded rod 76 on the two sets of limiting protrusions 77 is rotated to displace them, so that the sealing cover plate 75 can be pulled out. Then, the two filter plates are pulled out using the slider 74 to facilitate cleaning of their surfaces.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

Claims

1. A continuous hydrolysis and condensation apparatus for organosilicon resin, characterized in that, The system includes a mixing tank (1), which has a stirring structure (2) inside. The stirring structure (2) includes a drive motor (21). The output end of the drive motor (21) is fixedly connected to a first gear (22). The outer wall of the first gear (22) is meshed with two second gears (23). The first gear (22) is fixedly connected to a first stirring rod (24), and the outer wall of the first stirring rod (24) is fixedly connected to a stirring frame (241). The two second gears (23) are fixedly connected to a second stirring rod (26), and the outer wall of the second stirring rod (26) is fixedly provided with a spiral stirring blade (27). A hydrolysis condensation reactor (6) is provided on one side of the mixing tank (1). The bottom of the hydrolysis condensation reactor (6) is fixedly provided with a second connecting pipe (41), and the extension end of the second connecting pipe (41) is fixedly connected to a distillation tank (8). A filter structure (7) is provided in the middle of the second connecting pipe (41).

2. The continuous hydrolysis and condensation apparatus for organosilicon resin according to claim 1, characterized in that, A metering pump (3) is fixedly installed on the upper end of the mixing tank (1), the drive motor (21) is fixedly installed on the protective frame and the bottom of the protective frame is fixedly installed on the upper end of the mixing tank (1), and the first gear (22) and the second gear (23) are both rotatably installed on the upper end of the mixing tank (1).

3. The continuous hydrolysis and condensation apparatus for organosilicon resin according to claim 2, characterized in that, A scraper (25) is fixedly connected to one end of the first stirring rod (24). The scraper (25) is attached to the bottom of the inner side of the mixing tank (1). A first connecting pipe (4) is fixedly installed at the bottom of the mixing tank (1), and a feed pump (5) is connected to the middle of the first connecting pipe (4). One end of the first connecting pipe (4) penetrates the inside of the hydrolysis tower, and the hydrolysis tower is installed on the upper end of the hydrolysis condensation reactor (6).

4. The continuous hydrolysis and condensation apparatus for organosilicon resin according to claim 1, characterized in that, The filter structure (7) includes a filter box (71), the interior of which is connected to the second connecting pipe (41). The filter box (71) is provided with a first filter plate (72) and a second filter plate (73), respectively. The filter holes of the first filter plate (72) are larger than those of the second filter plate (73).

5. The continuous hydrolysis and condensation apparatus for organosilicon resin according to claim 4, characterized in that, The outer walls of the first filter plate (72) and the second filter plate (73) are both fixedly provided with sliders (74), and the sliders (74) are slidably connected inside the filter box (71). A sealing cover plate (75) is provided above the filter box (71), and a handle is provided above the sealing cover plate (75).

6. The continuous hydrolysis and condensation apparatus for organosilicon resin according to claim 5, characterized in that, The filter box (71) and the sealing cover (75) are symmetrically fixedly connected with limiting protrusions (77), and the two sets of limiting protrusions (77) are internally threaded with threaded rods (76).

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