Efficient polysilane conversion device

Abstract

The utility model provides an efficient polysilane conversion device which comprises a conversion box, a discharge port is arranged at the lower end of the conversion box, a box cover is arranged at the upper end of the conversion box, a feed port is arranged on the box cover, two groups of symmetrically arranged positioning plates are arranged on the inner side of the conversion box, a plurality of groups of catalyst bed layers are arranged above the positioning plates, and the catalyst bed layers are arranged on the lower end of the conversion box. A plurality of groups of independent catalyst bed layers are arranged on the outer side of the conversion box, a heat exchange plate is arranged between every two of the plurality of groups of catalyst bed layers, the heat exchange plates are connected with the conversion box, heat exchange water pipes are arranged on the inner sides of the heat exchange plates, a plurality of groups of heat exchange water pipes are arranged, and cooling water circulating components are arranged on the two sides of the conversion box. The cooling water circulation assembly is convenient to disassemble and assemble, the effect of facilitating replacement of a catalyst and cleaning of the bed layers is achieved, the heat transfer efficiency of the cooling water circulation assembly and the cooling water circulation assembly can be remarkably improved through the design of the multiple sets of heat exchange plates, temperature balance between the bed layers is achieved, and the reaction uniformity is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polysilane conversion, in particular to a high-efficiency polysilane conversion device. Background Art

[0002] As an important organosilicon compound, polysilane has a wide range of applications in industrial production. At present, the catalytic conversion of polysilane is the key step to improve its application value. However, the traditional catalytic conversion device has limitations in efficiency and conversion rate, which restricts the efficient utilization of polysilane. Currently, the conversion devices used in the catalytic conversion reaction of polysilane usually adopt fixed-bed reactors or fluidized-bed reactors. Although these reactors can achieve basic catalytic conversion functions, they have problems such as easy deactivation of catalysts and complex device structures that are not easy to clean, directly affecting the conversion efficiency of polysilane and the product quality. Therefore, the utility model proposes a high-efficiency polysilane conversion device to solve the problems existing in the prior art. Content of the Utility Model

[0003] Aiming at the above problems, the purpose of the utility model is to propose a high-efficiency polysilane conversion device, which has the advantages of convenient replacement and cleaning and can solve the problems in the prior art.

[0004] To achieve the purpose of the utility model, the utility model is realized through the following technical solutions: A high-efficiency polysilane conversion device includes a conversion box. A discharge port is provided at the lower end of the conversion box, and a box cover is installed at the upper end of the conversion box. A feed port is provided on the box cover. Two groups of symmetrically arranged positioning plates are installed inside the conversion box. Above the positioning plates is a catalyst bed layer, and there are several groups of catalyst bed layers. Heat exchange plates are provided between every two of the several groups of catalyst bed layers, and the heat exchange plates are connected to the conversion box. Inside the heat exchange plates are several groups of heat exchange water pipes. Cooling water circulation components are installed on both sides of the conversion box, and the cooling water circulation components are connected to the heat exchange water pipes.

[0005] Further improvement lies in that: The catalyst bed layer includes an outer frame. Mesh plates are installed at both the upper and lower ends of the outer frame, and a catalyst is filled inside the outer frame. A limiting plate is provided above the catalyst bed layer, and the limiting plate is annularly arranged. The limiting plate is connected to the conversion box by bolts.

[0006] Further improvement lies in that: The cooling water circulation components include a water tank. A coolant is provided inside the water tank. Small water pumps are installed at the lower end of the water tank, and there are several groups of small water pumps. On both sides of the conversion box, water pipes are installed through brackets, and the number and positions of the water pipes on each side correspond to the heat exchange plates. The water pipes are connected to the heat exchange water pipes and the small water pumps.

[0007] A further improvement lies in that a flow dividing plate is installed on the inner side of the box cover. There are several groups of the flow dividing plates, and the several groups of flow dividing plates divide the inside of the box cover into several flow dividing chambers, and the number of the several groups of flow dividing chambers corresponds to the number of catalyst beds.

[0008] A further improvement lies in that an extension part is provided at the lower end of the box cover, a connection port is provided at the upper end of the conversion box, the shape of the extension part is adapted to the connection port, and the extension part is located inside the connection port, and a sealing ring is provided between the connection port and the extension part.

[0009] A further improvement lies in that a clamping groove is provided on the positioning plate, and the number of the clamping grooves corresponds to the catalyst beds, and the lower ends of the catalyst beds are located inside the clamping grooves.

[0010] A further improvement lies in that a plurality of support columns are installed below the conversion box.

[0011] The beneficial effects of the present utility model are as follows: The overall poly-silane high-efficiency conversion device adopts a split design and a multi-stage independent catalyst bed method, which is convenient for its disassembly and installation, and realizes the effects of facilitating the replacement of the catalyst and the cleaning of the bed layer. At the same time, heat exchange plates are provided between every two of the multi-stage independent catalyst beds, which can significantly improve the heat transfer efficiency with the cooling water circulation component, realize the temperature balance between the bed layers, further improve the uniformity of the reaction, and avoid the situation of catalyst deactivation caused by local overheating, solving the problems existing in the prior art that the catalyst is easily deactivated and the device structure is complex and not easy to clean. The present utility model has the advantages of convenient disassembly and easy cleaning, which is beneficial to improving the conversion efficiency of poly-silane and the product quality. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 It is the front view structural schematic diagram of the present utility model.

[0014] Figure 2 It is the top view distribution schematic diagram of the positioning plate of the present utility model.

[0015] Figure 3 It is the side view schematic diagram of the conversion box of the present utility model.

[0016] Figure 4 It is the front view structural schematic diagram of the conversion box of the present utility model.

[0017] Figure 5 It is a front view structural schematic diagram of the box cover of the present utility model.

[0018] Figure 6 It is a three-dimensional schematic diagram of the limiting plate of the present utility model.

[0019] Figure 7 It is a front view structural schematic diagram of the catalyst bed of the present utility model.

[0020] Wherein: 1. Conversion box; 2. Discharge port; 3. Box cover; 4. Feed port; 5. Positioning plate; 6. Catalyst bed; 7. Heat exchange plate; 8. Heat exchange water pipe; 9. Outer frame; 10. Mesh plate; 11. Limiting plate; 12. Water tank; 13. Small water pump; 14. Water delivery pipe; 15. Shunt plate; 16. Shunt cavity; 17. Extension part; 18. Connection port; 19. Card slot; 20. Support column. Specific implementation manner

[0021] In order to deepen the understanding of the present utility model, the following will further elaborate on the present utility model in combination with embodiments. These embodiments are only used to explain the present utility model and do not constitute a limitation to the protection scope of the present utility model.

[0022] According to Figures 1-7 As shown, this embodiment proposes a high-efficiency polysilane conversion device, including a conversion box 1. Support columns 20 are installed below the conversion box 1, and several groups of support columns 20 are provided. In this embodiment, four groups of support columns 20 are evenly provided. A discharge port 2 is provided at the lower end of the conversion box 1, and a box cover 3 is installed at the upper end of the conversion box 1. A feed port 4 is provided on the box cover 3. When performing the polysilane conversion reaction, the raw materials enter from the feed port 4 and are discharged from the feed port 4.

[0023] Two groups of symmetrically arranged positioning plates 5 are installed inside the conversion box 1, and their distribution is as Figure 2 As shown. A catalyst bed 6 is provided above the positioning plate 5, and several groups of catalyst beds 6 are provided. In this embodiment, five groups of catalyst beds 6 are evenly provided. Card slots 19 are provided on the positioning plate 5, and the number of card slots 19 corresponds to that of the catalyst beds 6, that is, five groups of card slots 19 are provided on the positioning plate 5. The lower end of the catalyst bed 6 is located in the card slots 19. In this device, the card slots 19 are adapted to the catalyst bed 6, that is, a part of the lower end of the catalyst bed 6 can be inserted into the card slots 19. Thus, by using the provided positioning plate 5, the catalyst layer 6 can be limited.

[0024] There are heat exchange plates 7 provided between every two of several groups of catalyst beds 6, and the heat exchange plates 7 are connected to the conversion box 1. In this embodiment, there are a total of four groups of heat exchange plates 7. Thus, during the polysilane reaction process, by using the heat exchange plates 7, the heat generated by the reaction can be removed in a timely manner, preventing local overheating from causing catalyst deactivation or material decomposition, thereby ensuring that the reaction proceeds within an appropriate temperature range. Secondly, through the heat transfer of the heat exchange plates 7, the temperature balance between the beds can be achieved, further improving the uniformity of the reaction. Correspondingly, there are several groups of heat exchange water pipes 8 provided inside the heat exchange plates 7. In this embodiment, there are five groups of heat exchange water pipes 8 in each group of heat exchange plates 7.

[0025] Cooling water circulation components are installed on both sides of the conversion box 1, and the cooling water circulation components are connected to the heat exchange water pipes 8. Among them, the cooling water circulation components include a water tank 12. There is a coolant provided inside the water tank 12. A small water pump 13 is installed at the lower end of the water tank 12, and there are several groups of small water pumps 13. In this embodiment, there are two groups of small water pumps 13, totaling four groups, which correspond to the four groups of heat exchange plates 7. Both sides of the conversion box 1 are installed with water delivery pipes 14 through brackets, and the number and position of the water delivery pipes 14 on each side correspond to the heat exchange plates 7, that is, there are a total of eight groups of water delivery pipes 14. The water delivery pipes 14 are connected to the heat exchange water pipes 8 and the small water pumps 13. The specific connection method is as follows: One group of water delivery pipes 14 is connected to the heat exchange water pipes 8 on the heat exchange plates 7 at the corresponding position. The input end of the left water delivery pipe 14 is connected to the output end of one group of small water pumps 13 through a pipeline, while the output end of the right water delivery pipe 14 is connected to the input end of the water tank 12 through a pipeline. Thus, under the action of the small water pumps 13, the coolant in the water tank 12 is transported into the left water delivery pipe 14, reaches the right water delivery pipe 14 through the heat exchange water pipes 8, and then flows back into the water tank 12, forming an effect of cooling water circulation.

[0026] Furthermore, a flow dividing plate 15 is installed inside the box cover 3. There are several groups of flow dividing plates 15. In this embodiment, there are four groups of flow dividing plates 15. The four groups of flow dividing plates 15 divide the inside of the box cover 3 into five flow dividing chambers 16, that is, the number of flow dividing chambers 16 corresponds to the number of catalyst beds 6. Correspondingly, after the material enters, through the provided flow dividing chambers 16, it can enter the catalyst beds 6 better.

[0027] The lower end of the box cover 3 is provided with an extension part 17, and the upper end of the conversion box 1 is provided with a connection port 18. The shape of the extension part 17 is adapted to the connection port 18, and the extension part 17 is located inside the connection port 18. There is a sealing ring between the connection port 18 and the extension part 17. The box cover 3 itself is connected to the conversion box 1 through bolts, and it adopts a detachable design, which is convenient for subsequently taking out the catalyst beds 6 and also convenient for cleaning the inside of the conversion box 1.

[0028] The catalyst bed 6 includes an outer frame 9 which is hollow and communicates with the outside at both its upper and lower ends. Correspondingly, mesh plates 10 are installed at both the upper and lower ends of the outer frame 9. The mesh plates 10 serve to limit the catalyst and allow the material (liquid or gas) to pass through. Moreover, the inner side of the outer frame 9 is filled with a catalyst. A limiting plate 11 is provided above the catalyst bed 6, and the limiting plate 11 is annular. The limiting plate 11 is connected to the conversion tank 1 by bolts. When the catalyst bed 6 is inserted into the positioning plate 5, the limiting plate 11 is placed above the catalyst bed 6 and brought into contact with the catalyst bed 6, and then fixed by bolts to limit the catalyst bed 6. For disassembly, after removing the limiting plate 11, the catalyst bed 6 can be pulled out with the aid of tools, which is very convenient.

[0029] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only used to illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient polysilane conversion device, comprising a conversion tank (1), characterized in that: The lower end of the conversion box (1) is provided with a discharge port (2), and a box cover (3) is installed at the upper end of the conversion box (1). The box cover (3) is provided with a feed port (4). Inside the conversion box (1), two groups of symmetrically arranged positioning plates (5) are installed. Above the positioning plates (5), there is a catalyst bed (6), and there are several groups of the catalyst beds (6). Between every two of the several groups of the catalyst beds (6), there is a heat exchange plate (7), and the heat exchange plate (7) is connected to the conversion box (1). Inside the heat exchange plate (7), there are several groups of heat exchange water pipes (8). On both sides of the conversion box (1), a cooling water circulation assembly is installed, and the cooling water circulation assembly is connected to the heat exchange water pipes (8).

2. The highly efficient conversion device for polysilane according to claim 1, wherein: The catalyst bed (6) includes an outer frame (9). At both the upper and lower ends of the outer frame (9), a mesh plate (10) is installed. Inside the outer frame (9), a catalyst is filled. Above the catalyst bed (6), there is a limiting plate (11), and the limiting plate (11) is annularly arranged. The limiting plate (11) is connected to the conversion box (1) by bolts.

3. The high-efficiency conversion device for polysilane according to claim 1, wherein: The cooling water circulation assembly includes a water tank (12). Inside the water tank (12), a coolant is provided. At the lower end of the water tank (12), several groups of small water pumps (13) are installed. On both sides of the conversion box (1), water pipes (14) are installed through brackets, and the number and position of the water pipes (14) on each side correspond to those of the heat exchange plates (7). The water pipes (14) are connected to the heat exchange water pipes (8) and the small water pumps (13).

4. The highly efficient conversion device for polysilane according to claim 1, characterized in that: Inside the box cover (3), a flow dividing plate (15) is installed. There are several groups of the flow dividing plates (15). The several groups of the flow dividing plates (15) divide the inside of the box cover (3) into several flow dividing chambers (16). The number of the several groups of the flow dividing chambers (16) corresponds to the number of the catalyst beds (6).

5. The high-efficiency conversion device for polysilane according to claim 1, characterized in that: The lower end of the box cover (3) is provided with an extension part (17). The upper end of the conversion box (1) is provided with a connection port (18). The shape of the extension part (17) is adapted to that of the connection port (18), and the extension part (17) is located inside the connection port (18). A sealing ring is provided between the connection port (18) and the extension part (17).

6. The high-efficiency conversion device for polysilane according to claim 1, wherein: The positioning plate (5) is provided with a clamping groove (19), and the number of the clamping grooves (19) corresponds to that of the catalyst beds (6). The lower end of the catalyst bed (6) is located inside the clamping groove (19).

7. The high-efficiency conversion device for polysilane according to claim 1, characterized in that: Below the conversion box (1), several groups of support columns (20) are installed.

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