End cover of final polycondensation reaction kettle
By designing a variety of connecting components and reinforcement components in the end cap of the reactor, the problems of poor sealing performance and structural instability of traditional end caps are solved, and better sealing performance and structural stability are achieved.
Patent Information
- Application Number
- CN202420778178.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-16
AI Technical Summary
The traditional reactor end caps have problems such as poor sealing performance, poor overall structure and stability, which affects the service life of the reactor and the stability of the production process.
A final polycondensation reactor end cap is designed. By providing a final polycondensation reactor flange, an end cap body, a cylinder, a first connecting assembly, a second connecting assembly, a machine seal bracket, an annular large seal plate, an annular small seal plate, a first reinforcement assembly and a second reinforcement assembly, the close connection between the end cap and the flange and the structural reinforcement are achieved.
Through this design, the tight connection between the reactor flange and the end cap body is achieved, which improves the sealing performance, saves costs, and effectively strengthens the overall structure and stability of the end cap body.
Smart Images
Figure CN222586524U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of chemical reaction equipment, in particular to an end cover of a final polycondensation reactor. Background Art
[0002] Condensation polymerization, referred to as polycondensation, refers to the reaction in which one or more monomers condense with each other to form a polymer. Its main product is called a polycondensate. In the chemical industry, polycondensation is an important synthetic method for preparing polymer materials. Polycondensation generally needs to be carried out under high temperature conditions and requires stirring to ensure the uniformity and stability of the reaction. Therefore, a reaction equipment with good high temperature resistance is required.
[0003] Traditional reactor end covers have some problems, such as poor sealing performance, poor overall structure and stability, which not only affects the service life of the reactor, but may also have an adverse effect on the production process.
[0004] Therefore, it is necessary to invent a final polycondensation reactor end cover. Utility Model Content
[0005] To this end, the utility model provides a final polycondensation reactor end cover to solve the problems raised in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a final polycondensation reactor end cover, comprising a final polycondensation reactor flange and an end cover body, a cylinder is opened in the center of the final polycondensation reactor flange, the edge of the end cover body is detachably installed with the final polycondensation reactor flange through a first connecting component, the middle part of the end cover body is detachably installed with a sealing bracket through a second connecting component, a large annular sealing plate is arranged on the outer periphery of the middle part of the end cover body, a small annular sealing plate is arranged on the inner periphery of the middle part of the end cover body, a first reinforcing component is arranged on the large annular sealing plate, a pressure probe interface is fixedly connected to the large annular sealing plate, and a second reinforcing component is arranged on the small annular sealing plate.
[0007] Preferably, the first connecting assembly comprises an end cover flange, the end cover flange is arranged at the edge of the end cover body, and the end cover flange is fixedly connected to the final polycondensation reactor flange via a stud and a first nut.
[0008] Preferably, the opposing surfaces of the final polycondensation reactor flange and the end cover flange are both provided with welding rings, the welding rings are provided as stainless steel linings, and the shape of the welding rings is provided as a lip shape.
[0009] Preferably, the second connecting assembly includes an end cover plate, which is fixed at the middle of the end cover body and located between the large annular sealing plate and the small annular sealing plate. A cover plate cylinder is arranged at the center of the end cover plate, and the cylinder corresponds to the cover plate cylinder.
[0010] Preferably, a flange seat is welded on the end cover plate, and one end of the mechanical seal bracket close to the end cover body is fixedly connected to the flange seat by bolts and a second nut.
[0011] Preferably, the first reinforcement assembly includes a plurality of external reinforcement ribs and a plurality of reinforcement short tubes, and the plurality of external reinforcement ribs and reinforcement short tubes are fixed on the surface of the large annular sealing plate in a circular array. An external reinforcement rib rod is also fixed on the large annular sealing plate, and the external reinforcement rib rod is located at the pressure probe interface.
[0012] Preferably, the second reinforcement assembly includes a plurality of inner reinforcement ribs, and the plurality of inner reinforcement ribs are fixed on the surface of the annular small sealing plate in a circular array.
[0013] Preferably, a lifting lug is fixed at the edge of the end cover body, and the end cover body is also fixedly connected with a gas inlet and outlet pipe and a medium inlet pipe.
[0014] The beneficial effects of the utility model are as follows: through the coordinated use of the final polycondensation reactor flange, the end cover body, the cylinder, the first connecting component, the second connecting component, the mechanical seal bracket, the large annular sealing plate, the small annular sealing plate, the first reinforcing component and the second reinforcing component, under the action of the first connecting component, the second connecting component, the large annular sealing plate and the small annular sealing plate, the final polycondensation reactor flange can be tightly connected with the end cover body, which saves costs and can well ensure the sealing performance of the equipment; and under the action of the first reinforcing component and the second reinforcing component, the overall structural and stability of the end cover body can be effectively enhanced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the connection structure between the final polycondensation reaction kettle body and the mechanical seal bracket provided by the utility model;
[0016] Figure 2 This is a structural front view of the end cover body provided by the utility model;
[0017] Figure 3 A structural cross-sectional view of the end cover body provided by the utility model in the side view direction;
[0018] Figure 4 for Figure 1 A magnified view of the local structure in
[0019] Figure 5 This is a structural schematic diagram of the flange seat provided by the utility model.
[0020] In the figure: 1. final polycondensation reactor flange; 2. end cover body; 3. mechanical seal bracket; 4. stud; 5. first nut; 6. end cover flange; 7. large annular sealing plate; 8. end cover cover plate; 9. small annular sealing plate; 10. cylinder; 11. flange seat; 12. cover cylinder; 13. lifting ear; 14. inner reinforcing rib plate; 15. outer reinforcing rib plate; 16. reinforced short pipe; 17. outer reinforcing rib rod; 18. gas inlet and outlet pipes; 19. medium inlet pipe; 20. pressure probe interface; 21. bolt; 22. second nut; 23. welding ring. DETAILED DESCRIPTION
[0021] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0022] Please refer to the attached Figure 1-5 The utility model provides a final polycondensation reactor end cover, comprising a final polycondensation reactor flange 1 and an end cover body 2, wherein a cylinder 10 is provided in the center of the final polycondensation reactor flange 1, and the edge of the end cover body 2 is detachably mounted with the final polycondensation reactor flange 1 through a first connecting component, and a sealing bracket 3 is detachably mounted in the middle of the end cover body 2 through a second connecting component, and a large annular sealing plate 7 is arranged on the periphery of the middle of the end cover body 2, and a small annular sealing plate 9 is arranged on the inner periphery of the middle of the end cover body 2, and the large annular sealing plate 7 and the small annular sealing plate 9 are made of low-alloy high-strength material to prevent leakage of the medium, and a first reinforcing component is arranged on the large annular sealing plate 7, and a pressure probe interface 20 is fixedly connected to the large annular sealing plate 7 for connecting a pressure gauge to monitor the pressure in the reactor, and a second reinforcing component is arranged on the small annular sealing plate 9;
[0023] The first connection assembly includes an end cover flange 6, which is arranged at the edge of the end cover body 2, and the end cover flange 6 is fixedly connected to the final polycondensation reactor flange 1 through studs 4 and first nuts 5. The opposite surfaces of the final polycondensation reactor flange 1 and the end cover flange 6 are both provided with welding rings 23, and the welding rings 23 are provided as stainless steel linings, and the shape of the welding rings 23 is set as a lip shape. Specifically, the end cover body 2 is tightly connected to the reactor body through the studs 4 and the first nuts 5, and then the use of the welding rings 23 not only saves costs, but also can well ensure the sealing performance of the equipment;
[0024] The second connection component includes an end cover plate 8, which is preferably made of low-alloy high-strength steel-lined stainless steel, which can meet the corrosion resistance and reduce the economic cost. The end cover plate 8 is fixed to the middle part of the end cover body 2, and the end cover plate 8 is located between the large annular sealing plate 7 and the small annular sealing plate 9. A cover plate cylinder 12 is arranged at the center of the end cover plate 8, and the cylinder 10 corresponds to the cover plate cylinder 12. The cylinder 10 is preferably made of stainless steel, which is convenient for the agitator to extend into the reactor. A flange seat 11 is welded on the end cover plate 8, and one end of the machine seal bracket 3 close to the end cover body 2 is fixedly connected to the flange seat 11 by bolts 21 and a second nut 22. Specifically, the end cover body 2 is connected to the machine seal bracket 3 by the flange seat 11, and the flange seat 11 is welded to the end cover body 2. The machine seal bracket 3 is connected to the flange seat 11 by bolts, and the large annular sealing plate 7, the small annular sealing plate 9 and the end cover plate 8 prevent leakage of the medium;
[0025] The first reinforcement assembly includes a plurality of external reinforcement ribs 15 and a plurality of reinforcement short tubes 16. The plurality of external reinforcement ribs 15 and the reinforcement short tubes 16 are fixed on the surface of the annular large sealing plate 7 in a circular array. The external reinforcement ribs 15 and the reinforcement short tubes 16 are made of low-alloy high-strength material and are used to strengthen the rigidity and strength of the end cover body 2. An external reinforcement rib rod 17 is also fixed on the annular large sealing plate 7. The external reinforcement rib rod 17 is located at the pressure probe interface 20 and is used to support the pressure probe interface 20.
[0026] The second reinforcement assembly includes a plurality of inner reinforcement ribs 14, which are fixed on the surface of the annular small sealing plate 9 in a circular array. The inner reinforcement ribs 14 are made of low-alloy high-strength material and are used to strengthen the rigidity and strength of the end cover body 2. That is, under the joint action of the plurality of outer reinforcement ribs 15, the reinforcement short tube 16, the outer reinforcement rod and the inner reinforcement ribs 14, the overall structural property and stability of the end cover body 2 can be effectively strengthened;
[0027] A lifting ear 13 is fixed at the edge of the end cover body 2 for lifting the end cover body 2. The end cover body 2 is also fixedly connected with a gas inlet and outlet pipe 18 and a medium inlet pipe 19. The gas inlet and outlet pipe 18 is made of stainless steel with a smooth inner wall and has good high temperature resistance and corrosion resistance. It is used for the gas in and out of the reactor. The medium inlet pipe 19 is made of stainless steel with a smooth inner wall and has good high temperature resistance and corrosion resistance. It is used for the medium to flow into the reactor.
[0028] The use process of the utility model is as follows: during installation, the user first tightly connects the end cover body 2 with the final polycondensation reactor flange 1 of the reactor body through the stud 4 and the first nut 5, and then fixes the machine seal bracket 3 on the flange seat 11 welded on the end cover cover plate 8 through the bolt 21 and the second nut 22. The medium is prevented from leaking out through the large annular sealing plate 7, the small annular sealing plate 9 and the end cover cover plate 8, that is, the final polycondensation reactor flange is tightly connected to the end cover body 2, which saves costs and can well ensure the sealing performance of the equipment. Under the joint action of a number of external reinforcing ribs 15, reinforcing short tubes 16, external reinforcing rib rods and internal reinforcing ribs 14, the overall structural and stability of the end cover body 2 can be effectively strengthened.
[0029] The above is only a preferred embodiment of the utility model. Any person skilled in the art can modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.
Claims
1. A final polycondensation reactor end cover, comprising a final polycondensation reactor flange (1) and an end cover body (2), wherein a cylinder (10) is provided at the center of the final polycondensation reactor flange (1), and characterized in that: The edge of the end cover body (2) is detachably mounted on the final polycondensation reactor flange (1) via a first connecting assembly, the middle of the end cover body (2) is detachably mounted with a sealing bracket (3) via a second connecting assembly, a large annular sealing plate (7) is disposed on the periphery of the middle of the end cover body (2), a small annular sealing plate (9) is disposed on the inner periphery of the middle of the end cover body (2), a first reinforcing assembly is disposed on the large annular sealing plate (7), a pressure probe interface (20) is fixedly connected to the large annular sealing plate (7), and a second reinforcing assembly is disposed on the small annular sealing plate (9).
2. The end cover of a final polycondensation reactor according to claim 1, characterized in that: The first connection assembly comprises an end cover flange (6), wherein the end cover flange (6) is arranged at the edge of the end cover body (2), and the end cover flange (6) is fixedly connected to the final polycondensation reactor flange (1) via a stud (4) and a first nut (5).
3. The end cover of the final polycondensation reactor according to claim 2, characterized in that: The opposing surfaces of the final polycondensation reactor flange (1) and the end cover flange (6) are both provided with welding rings (23), the welding rings (23) are configured as stainless steel linings, and the shape of the welding rings (23) is configured as a lip shape.
4. The end cover of a final polycondensation reactor according to claim 1, characterized in that: The second connection assembly comprises an end cover plate (8), the end cover plate (8) being fixed to the middle of the end cover body (2), and the end cover plate (8) being located between the large annular sealing plate (7) and the small annular sealing plate (9), a cover plate cylinder (12) being arranged at the center of the end cover plate (8), and the cylinder (10) corresponding to the cover plate cylinder (12).
5. The end cover of the final polycondensation reactor according to claim 4, characterized in that: A flange seat (11) is welded to the end cover plate (8), and one end of the mechanical seal bracket (3) close to the end cover body (2) is fixedly connected to the flange seat (11) via a bolt (21) and a second nut (22).
6. The end cover of the final polycondensation reactor according to claim 1, characterized in that: The first reinforcement component comprises a plurality of external reinforcement ribs (15) and a plurality of reinforcement short tubes (16), wherein the plurality of external reinforcement ribs (15) and the reinforcement short tubes (16) are fixed on the surface of the large annular sealing plate (7) in a circular array, and an external reinforcement rib rod (17) is also fixed on the large annular sealing plate (7), and the external reinforcement rib rod (17) is located at the pressure probe interface (20).
7. The end cover of a final polycondensation reactor according to claim 1, characterized in that: The second reinforcement assembly comprises a plurality of inner reinforcement ribs (14), and the plurality of inner reinforcement ribs (14) are fixed on the surface of the annular small sealing plate (9) in a circular array.
8. The end cover of a final polycondensation reactor according to claim 1, characterized in that: A lifting lug (13) is fixed at the edge of the end cover body (2), and the end cover body (2) is also fixedly connected with a gas inlet and outlet pipe (18) and a medium inlet pipe (19).