Device for improving uniformity of polycarbosilane

Abstract

The device comprises a kettle body, the top of the kettle body is connected with a kettle cover, the interior of the kettle body is rotationally connected with a stirring rod, the top of the kettle cover is fixedly connected with a connecting frame, the interior of the connecting frame penetrates through the bottom of the kettle cover, and the bottom of the connecting frame is rotationally connected with a homogenizing cylinder; the homogenizing cylinder is connected with the stirring rod, and a plurality of homogenizing grooves penetrating through the homogenizing cylinder are formed in the side wall of the homogenizing cylinder; the stirring rod is driven to operate so as to drive the homogenizing cylinder to rotate to generate centrifugal force, so that materials can be uniformly fed into the kettle body through the homogenizing groove. After the technical scheme is adopted, the uniform barrel is designed, and the uniform grooves are formed in the bottom of the uniform barrel, so that materials can be uniformly fed into the kettle body through the uniform grooves by virtue of centrifugal force generated by rotation of the uniform barrel after entering the uniform barrel, the uniformity of initial distribution of the materials in the kettle body is favorably improved, and the uniformity of uniform distribution of the materials in the kettle body is improved. Good conditions are created for subsequent reaction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of polycarbosilane processing technology, specifically to a device for improving the uniformity of polycarbosilane. BACKGROUND

[0002] Polycarbosilane is a high molecular compound with unique structure and important applications. Its molecular backbone is composed of alternating silicon and carbon atoms, and contains a certain amount of hydrogen atoms. In appearance, polycarbosilane is generally colorless to light yellow transparent liquid or solid, with good solubility in various organic solvents. In terms of performance, it has high heat resistance, oxidation resistance and corrosion resistance, and can be converted into silicon carbide ceramic at high temperature, which makes it an important precursor for preparing high-performance ceramic materials. In the application field, polycarbosilane is widely used in aerospace, automobile industry, electronic information and other fields, such as manufacturing aircraft engine parts, automobile engine heat-resistant parts and electronic packaging materials, which has important significance for promoting the technological progress and product performance improvement of related industries.

[0003] The existing device for improving the uniformity of polycarbosilane has many drawbacks. In the material feeding link, there is a lack of effective shunting and uniform dispersion mechanism, and the material often enters the reaction kettle in a lump, resulting in uneven distribution of the initial material and easily causing local material concentration to be too high or too low, which affects the subsequent reaction process. SUMMARY

[0004] The purpose of the utility model is to provide a device for improving the uniformity of polycarbosilane, which can make the material uniformly enter the inside of the kettle body through the uniform slot by setting the uniform cylinder, which helps to improve the uniformity of the initial distribution of the material in the kettle body and creates good conditions for the subsequent reaction.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a device for improving the uniformity of polycarbosilane, comprising a kettle body, the top of the kettle body is connected with a kettle cover, the inside of the kettle body is rotationally connected with a stirring rod, the top of the kettle cover is fixedly connected with a connecting frame, the inside of the connecting frame penetrates the bottom of the kettle cover, and the bottom of the connecting frame is rotationally connected with a uniform cylinder, the uniform cylinder is connected with the stirring rod, and a plurality of uniform slots are formed in the side wall of the uniform cylinder and penetrate the uniform cylinder; the stirring rod is driven to operate to drive the uniform cylinder to rotate to generate centrifugal force, so that the material can be uniformly fed into the inside of the kettle body through the uniform slot.

[0006] Preferably, the plurality of uniform slots are all formed on the bottom of the side wall of the uniform cylinder.

[0007] Preferably, the kettle body is provided with a driving component for driving the stirring rod to rotate.

[0008] Preferably, the driving component is a driving motor, the bottom side of the kettle body is provided with the driving motor, and the output shaft of the driving motor penetrates the inside of the kettle body and is fixedly connected with the stirring rod.

[0009] Preferably, the top of the connecting frame is fixedly connected with a feeding cylinder, and the inside of the connecting frame is provided with a flow dividing block extending into the feeding cylinder.

[0010] Preferably, the top area of the flow dividing block is smaller than the bottom area.

[0011] Preferably, the bottom surface of the uniformizing cylinder is provided with an inner groove extending into the inner cavity of the uniformizing cylinder, the inside of the inner groove is fixedly connected with a connecting shaft, the bottom of the connecting shaft is fixedly connected with the top of the stirring rod, and the top of the connecting shaft does not penetrate the top of the uniformizing cylinder.

[0012] Preferably, the kettle cover is detachably connected with the kettle body through bolts.

[0013] Preferably, the kettle body is provided with supporting legs and a discharging pipe.

[0014] Preferably, the outer surface of the kettle body is connected with a heating jacket, the outer surface of the heating jacket is equidistantly fixedly connected with four connecting blocks, the bottom of each connecting block is fixedly connected with a supporting leg, the inside of the kettle body is fixedly connected with a discharging pipe penetrating the bottom of the heating jacket, and the driving motor 8 is fixedly connected to the outer surface of the heating jacket.

[0015] As can be seen from the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:

[0016] 1. The device for improving the uniformity of polycarbosilane has the advantages that the uniformizing cylinder is designed, a plurality of uniformizing grooves are formed in the bottom of the uniformizing cylinder, the centrifugal force generated by the rotation of the uniformizing cylinder can make the material uniformly fall into the kettle body through the uniformizing grooves, the uniformity of the initial distribution of the material in the kettle body is improved, and good conditions are created for subsequent reactions.

[0017] 2. The device for improving the uniformity of polycarbosilane has the advantages that the flow dividing block is installed in the feeding cylinder, the material in the feeding cylinder can be divided into two streams and fall into the inside of the uniformizing cylinder, the distribution state of the material when entering the uniformizing cylinder is further optimized, and the subsequent uniform falling into the kettle body is facilitated.

[0018] 3. The device for improving the uniformity of polycarbosilane has the advantages that the bottom of the uniformizing cylinder is connected with the stirring rod through the connecting shaft in the inner groove, the rotation of the stirring rod can drive the rotation of the uniformizing cylinder through the connecting shaft, the linkage design makes the operation of the device more coordinated and unified, the rotation of the stirring rod can simultaneously realize the stirring and the rotation of the uniformizing cylinder, the operation process is simplified, and the relevance of the two actions is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a kind of device for improving the uniformity of polycarbosilane three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the kettle body and kettle cover section split diagram of the device for improving the uniformity of polycarbosilane of the utility model;

[0021] Figure 3 It is the uniformity cylinder section analysis explosion diagram of the device for improving the uniformity of polycarbosilane of the utility model.

[0022] In the drawing: 1, kettle body;2, heating jacket;3, kettle cover;4, support leg;5, connecting block;6, uniformity groove;7, stirring rod;8, motor;9, uniformity cylinder;10, connecting frame;11, feed cylinder;12, discharge pipe;13, shunt block;14, inner recess;15, connecting shaft. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The utility model discloses below will refer to the drawing and combine the embodiment to explain in detail.

[0027] Embodiment

[0028] As Figure 1 , Figure 2 and Figure 3 Indicated, a kind of device for improving the uniformity of polycarbosilane, including kettle body 1, kettle cover 3 is connected to the top of kettle body 1, stirring rod 7 is rotatably connected in the inside of kettle body 1, connecting frame 10 is fixedly connected to the top of kettle cover 3, the bottom of connecting frame 10 is penetrated kettle cover 3, and the bottom of the connecting frame is rotatably connected with uniformity cylinder 9, uniformity cylinder 9 is connected with stirring rod 7, and a plurality of uniformity grooves 6 are set on the lateral wall of uniformity cylinder 9 and penetrate the uniformity cylinder;A plurality of uniformity grooves 6 are all set on the bottom of the lateral wall of uniformity cylinder 9;Drive stirring rod 7 operation, to drive uniformity cylinder 9 rotation to produce centrifugal force, to further can make material be evenly thrown into kettle body 1 inside by uniformity groove 6.Adopting the structure, by designing uniformity cylinder 9, and setting a plurality of uniformity grooves 6 in its bottom, material enters uniformity cylinder 9, by the centrifugal force produced by the rotation of uniformity cylinder 9, can make material be evenly thrown into kettle body 1 inside by uniformity groove 6, help to improve the uniformity of material initial distribution in kettle body 1, create good condition for subsequent reaction.

[0029] As Figure 2 Indicated, kettle body 1 is provided with the driving component of drive stirring rod 7 rotation;Driving component is drive motor 8, and the bottom side of kettle body 1 is equipped with drive motor 8, and the output shaft of drive motor 8 penetrates the inside of kettle body 1 and is fixedly connected with stirring rod 7.Adopting the structure, the stability of transmission is guaranteed.

[0030] As Figure 2 And Figure 3 Indicated, the top of connecting frame 10 is fixedly connected with feeding cylinder 11, and the inside of connecting frame 10 is provided with the flow splitter 13 extending to the inside of feeding cylinder 11;The top area of flow splitter 13 is less than the bottom area.Adopting the structure, by installing flow splitter 13 in feeding cylinder 11, can divide the material inside feeding cylinder 11 into two falls to the inside of uniformity cylinder 9, further optimizes the distribution state of material when entering uniformity cylinder 9, benefit subsequent even throwing into kettle body 1.

[0031] As Figure 3As shown, the bottom surface of the uniform cylinder 9 is provided with an inner groove 14 extending to the inner cavity of the uniform cylinder 9, the inner groove 14 is fixedly connected with a connecting shaft 15, the bottom of the connecting shaft 15 is fixedly connected with the top of the stirring rod 7, and the top of the connecting shaft 15 does not penetrate the top of the uniform cylinder 9. With this structure, the bottom of the uniform cylinder 9 is connected with the stirring rod 7 through the connecting shaft 15 in the inner groove 14, and rotating the stirring rod 7 can drive the uniform cylinder 9 to rotate through the connecting shaft 15. Such linkage design makes the operation of the device more coordinated and unified. Only the stirring rod 7 needs to be driven to simultaneously realize the stirring and rotation operation of the uniform cylinder 9, which simplifies the operation process and ensures the relevance of the two actions.

[0032] As shown in the figure, Figure 1 The kettle cover 3 is detachably connected with the kettle body 1 through bolts. With this structure, the kettle cover 3 and the kettle body 1 are convenient to disassemble and maintain.

[0033] As shown in the figure, Figure 1 The kettle body 1 is provided with support legs 4 and a discharge pipe 12; the outer surface of the kettle body 1 is connected with a heating jacket 2, the outer surface of the heating jacket 2 is equidistantly fixedly connected with four connecting blocks 5, the bottom of each connecting block 5 is fixedly connected with a support leg 4, the bottom of the heating jacket 2 is fixedly connected with the discharge pipe 12 which penetrates the kettle body 1, and the driving motor 8 is fixedly connected on the outer surface of the heating jacket 2. With this structure, the support legs 4 play a supporting role for the whole kettle body 1; the position of the discharge pipe 12 is reasonably designed, which is beneficial to discharge.

[0034] Working principle:

[0035] In actual operation process, the heating jacket 2 is started to heat the kettle body 1, then the material is put into the inside of the feeding cylinder 11, then the material in the inside of the feeding cylinder 11 enters the inside of the uniform cylinder 9 through the connecting frame 10, at this time, the rotation of the output shaft of the driving motor drives the rotation of the stirring rod 7, the rotation of the stirring rod 7 drives the rotation of the uniform cylinder 9 connected with it through the connecting shaft 15, in the process of rotation, the material placed in the inside of the uniform cylinder 9 is uniformly thrown into the inside of the kettle body 1 through the uniform grooves 6 due to the centrifugal force, the rotation of the stirring rod 7 can stir the material in the inside of the kettle body 1, and the heating reaction of the material can be started,

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for improving the homogeneity of polycarbosilane comprising a kettle body (1), characterized in that: The top of the kettle body (1) is connected with a kettle cover (3), the inside of the kettle body (1) is rotatably connected with a stirring rod (7), the top of the kettle cover (3) is fixedly connected with a connecting frame (10), the inside of the connecting frame (10) penetrates the bottom of the kettle cover (3), and the bottom of the connecting frame is rotatably connected with a uniform cylinder (9), the uniform cylinder (9) is connected with the stirring rod (7), and a plurality of uniform grooves (6) penetrating the uniform cylinder are formed in the side wall of the uniform cylinder (9); the stirring rod (7) is driven to work, so that the uniform cylinder (9) is driven to rotate to generate centrifugal force, so that the material can be uniformly fed into the inside of the kettle body (1) through the uniform grooves (6).

2. The apparatus of claim 1, wherein: A plurality of uniform grooves (6) are formed in the bottom of the side wall of the uniform cylinder (9).

3. The apparatus of claim 1, wherein: The kettle body (1) is provided with a driving component for driving the stirring rod (7) to rotate.

4. The apparatus of claim 3, wherein: The driving component is a driving motor (8), the bottom side of the kettle body (1) is provided with a driving motor (8), the output shaft of the driving motor (8) penetrates the inside of the kettle body (1) and is fixedly connected with the stirring rod (7).

5. The apparatus of claim 1, wherein: The top of the connecting frame (10) is fixedly connected with a feeding cylinder (11), and the inside of the connecting frame (10) is provided with a flow dividing block (13) extending into the inside of the feeding cylinder (11).

6. The apparatus of claim 5, wherein: The top area of the flow dividing block (13) is smaller than the bottom area.

7. The apparatus of claim 1, wherein: An inner groove (14) extending into the inner cavity of the uniform cylinder (9) is arranged on the bottom surface of the uniform cylinder (9), the inside of the inner groove (14) is fixedly connected with a connecting shaft (15), the bottom of the connecting shaft (15) is fixedly connected with the top of the stirring rod (7), and the top of the connecting shaft (15) does not penetrate the top of the uniform cylinder (9).

8. The apparatus of claim 1, wherein: The kettle cover (3) and the kettle body (1) are detachably connected by bolts.

9. The apparatus of claim 4, wherein: The kettle body (1) is provided with supporting legs (4) and a discharge pipe (12).

10. The apparatus of claim 9, wherein: The outer surface of the kettle body (1) is connected with a heating jacket (2), the outer surface of the heating jacket (2) is equidistantly fixedly connected with four connecting blocks (5), the bottom of each connecting block (5) is fixedly connected with a supporting leg (4), the inside of the kettle body (1) penetrates the bottom of the heating jacket (2) and is fixedly connected with a discharge pipe (12), and the driving motor (8) is fixedly connected to the outer surface of the heating jacket (2).

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