CN223628521U - A mechanical seal pressure testing device for a polycarbosilane production line. - Google Patents
A mechanical seal pressure testing device for a polycarbosilane production line.Info
- Publication number
- CN223628521U CN223628521U CN202423242566.3U CN202423242566U CN223628521U CN 223628521 U CN223628521 U CN 223628521U CN 202423242566 U CN202423242566 U CN 202423242566U CN 223628521 U CN223628521 U CN 223628521U
- Authority
- CN
- China
- Prior art keywords
- mechanical seal
- production line
- polycarbosilane
- testing device
- pressure testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型公开了一种聚碳硅烷生产线的釜用机封试压装置，该机封试压装置安装在搅拌釜的机械密封处，其结构包括与搅拌釜的机械密封之间通过O型圈连接的轴套螺母，轴套螺母的上方设置有连接座，连接座上设置有插入至其内的三通连接管，三通连接管的顶端口设置有压力表，该三通连接管的侧端口一侧分别设有泄压阀和进气阀，进气阀的另一端连接有气源管。采用上述技术方案后，本实用新型提供的聚碳硅烷生产线的釜用机封试压装置，通过O型圈、轴套螺母、连接座、压力表、泄压阀和进气阀以及气源管的配合下形成了静态试压，及时发现泄漏或故障，避免有问题机封上线使用，避免在机械密封因故障失效密封液内漏至搅拌釜内，影响产品质量。
This utility model discloses a mechanical seal pressure testing device for a polycarbonylsilane production line. The device is installed at the mechanical seal of the stirred tank. Its structure includes a bushing nut connected to the mechanical seal of the stirred tank via an O-ring. A connecting seat is located above the bushing nut, and a three-way connecting pipe is inserted into the connecting seat. A pressure gauge is installed at the top port of the three-way connecting pipe, and a pressure relief valve and an air inlet valve are respectively installed on one side of the side port of the three-way connecting pipe. The other end of the air inlet valve is connected to an air source pipe. By adopting the above technical solution, the mechanical seal pressure testing device for a polycarbonylsilane production line provided by this utility model, through the cooperation of the O-ring, bushing nut, connecting seat, pressure gauge, pressure relief valve, air inlet valve, and air source pipe, forms a static pressure test, promptly detecting leaks or faults, preventing the use of problematic mechanical seals, and preventing leakage of sealing fluid into the stirred tank due to mechanical seal failure, which would affect product quality.
Description
Technical Field
The utility model relates to the technical field of processing of polycarbosilane, in particular to a kettle mechanical seal pressure testing device of a polycarbosilane production line.
Background
In the production process of polycarbosilane, the requirements on the working conditions of stirring kettles in all relevant working procedures are harsh, and under the working conditions of high temperature and high pressure, the reliability of the mechanical seal is directly related to the production safety of equipment and the product quality guarantee, so that the mechanical seal is overhauled or the newly purchased mechanical seal is subjected to pressure test inspection and acceptance, and the requirements of technical specifications are met. After the existing fault mechanical seal is maintained, the pressure test tool does not simulate working conditions, so that frequent faults occur in the operation process, and the production efficiency is reduced.
Disclosure of utility model
The utility model aims to provide a kettle mechanical seal pressure testing device of a polycarbosilane production line, which aims to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme includes that the machine seal pressure testing device for the kettle of the polycarbosilane production line is arranged at a mechanical seal position of a stirring kettle and structurally comprises a shaft sleeve nut connected with the mechanical seal position of the stirring kettle through an O-shaped ring, a connecting seat is arranged above the shaft sleeve nut, a three-way connecting pipe inserted into the shaft sleeve nut is arranged on the connecting seat, a pressure gauge is arranged at a top end opening of the three-way connecting pipe, a pressure relief valve and an air inlet valve are respectively arranged at one side of a side port of the three-way connecting pipe, and an air source pipe is connected to the other end of the air inlet valve.
Preferably, a three-way joint is connected to the side port of the three-way connecting pipe, one end of the three-way joint is connected with the pressure release valve, and the other end of the three-way joint is connected with the air inlet valve.
Preferably, the upper part of the connecting seat is above the shaft sleeve nut, and the middle lower part of the connecting seat is embedded into the middle part of the shaft sleeve nut and then detachably connected with the middle part and the rear part of the connecting seat through the locking piece.
Preferably, the locking member is a locking bolt.
Preferably, the three-way connecting pipe is connected with the connecting seat through a thread structure.
Preferably, the shaft sleeve nut is provided with internal threads, and the mechanical sealing part of the stirring kettle is provided with external threads which form a thread structure with the internal threads.
Preferably, one side of the mechanical seal is provided with a cooling water inlet end, and the other side of the mechanical seal is provided with a cooling water outlet end.
Preferably, the height of the cooling water inlet end is lower than the height of the cooling water outlet end.
Preferably, the bottom of the mechanical seal is connected with a blind flange through a flat gasket, and the mechanical seal is connected with the blind flange through a fastening bolt.
As can be seen from the above description of the structure of the present utility model, compared with the prior art, the present utility model has the following advantages:
1. The mechanical seal pressure testing device for the kettle of the polycarbosilane production line provided by the utility model forms a static pressure testing through the cooperation of an O-shaped ring, a shaft sleeve nut, a connecting seat, a pressure gauge, a pressure relief valve, an air inlet valve and an air source pipe, timely discovers leakage or faults, avoids the use of the mechanical seal on line with problems, avoids the leakage of sealing liquid into a stirring kettle due to failure of the mechanical seal, influences the quality of products, and avoids production safety accidents caused by the leakage of steam of flammable and explosive materials due to the failure of the mechanical seal.
2. The kettle mechanical seal pressure testing device for the polycarbosilane production line provided by the utility model has the advantages that the pressure gauge, the pressure relief valve, the air inlet valve, the air source pipe and other air pressure components are utilized, the pressure is conveniently monitored under the condition of pressure filling or pressure relief, and the practicability is strong.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a kettle seal pressure testing device for a polycarbosilane production line;
FIG. 2 is an exploded view of a kettle seal pressure testing device for a polycarbosilane production line according to the present utility model;
FIG. 3 is a top view of a connecting seat of a kettle seal pressure testing device of a polycarbosilane production line of the present utility model;
FIG. 4 is a top view of a sleeve nut of a kettle seal pressure testing device for a polycarbosilane production line of the present utility model;
FIG. 5 is a top view of a blind flange of a kettle seal pressure testing device for a polycarbosilane production line.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Examples
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a mechanical seal pressure testing device for kettles of a polycarbosilane production line is installed at a mechanical seal 4 of a stirred tank, the mechanical seal pressure testing device structurally comprises a shaft sleeve nut 22 connected with the mechanical seal 4 of the stirred tank through an O-shaped ring 23, a connecting seat 21 is arranged above the shaft sleeve nut 22, a three-way connecting pipe 14 inserted into the connecting seat 21 is arranged on the connecting seat 21, a pressure gauge 15 is arranged at the top end opening of the three-way connecting pipe 14, a pressure relief valve 12 and an air inlet valve 11 are respectively arranged at one side of a side port of the three-way connecting pipe 14, and an air source pipe 13 is connected to the other end of the air inlet valve 11.
The side port of the three-way connecting pipe 14 is connected with a three-way joint 16, one end of the three-way joint 16 is connected with the pressure release valve 12, and the other end of the three-way joint 16 is connected with the air inlet valve 11.
The upper part of the connecting seat 21 is above the shaft sleeve nut 22, the middle lower part of the connecting seat 21 is embedded into the middle part of the shaft sleeve nut 22, and the upper part and the lower part are detachably connected through a locking piece, wherein the locking piece is a locking bolt 24.
The three-way connecting pipe 14 is connected with the connecting seat 21 through a thread structure.
The shaft sleeve nut 22 is provided with internal threads, and the mechanical seal 4 of the stirring kettle is provided with external threads which form a thread structure with the internal threads.
A cooling water inlet end 51 is arranged on one side of the mechanical seal, a cooling water outlet end 52 is arranged on the other side of the mechanical seal, and the height of the cooling water inlet end 51 is lower than that of the cooling water outlet end 52.
The bottom of the mechanical seal is connected with a blind flange 31 through a flat gasket 32, and the mechanical seal is connected with the blind flange 31 through a fastening bolt 33.
The connecting seat 21, the shaft sleeve nut 22, the blind flange 31, the locking bolt 24 and the fastening bolt 33 are made of carbon steel, the O-shaped ring 23 is made of nitrile rubber, the flat gasket 32 is a tetrafluoro gasket, and the air source pipe 13 is a PU air source pipe 13.
The specific use is as follows:
The three-way connecting pipe 14 is in threaded connection with the middle part of the connecting seat 21, the middle lower part of the connecting seat 21 penetrates through the shaft sleeve nut 22 and the O-shaped ring 23, the O-shaped ring 23 is tightly pressed on a conical opening of the shaft sleeve nut 22 along with the screwing of the shaft sleeve nut 22, meanwhile, the inner ring edge of the O-shaped ring 23 is tightly attached to the outer circumferential surface of the cylinder of the connecting seat 21, the sealing effect is achieved, the connecting seat 21 is locked with the shaft sleeve nut 22 through the locking bolt 24, and the connecting seat 21 is prevented from being punched after the machine seal is pressurized;
The blind flange 31 and the flat gasket 32 are fastened and locked on the flange at the bottom of the mechanical seal 4 of the stirring kettle by the fastening bolts 33, and after the assembly is completed, the pressure test is carried out according to the on-site working condition pressure and the standard requirement of the mechanical seal test for the kettle.
The pressure test principle of the mechanical seal pressure test device is that a PU air source pipe 13 is connected with compressed air in a workshop, an air inlet valve 11 is opened, the compressed air is pressurized to a required pressure, the compressed air enters the inner side of each sealing point such as a friction pair, a sealing ring and the like at a mechanical seal 4 of a stirring kettle through a connecting seat 21 and a shaft sleeve, then the air inlet valve 11 is closed to maintain pressure, a pressure gauge 15 is observed immediately, if the pressure is not reduced, no leakage is indicated, if the pressure is reduced, leakage is indicated, and then disassembly and inspection are needed to judge that the pressure exceeds the spring force of a spring in the mechanical seal 4 or the tightness of the sealing point and the sealing surface is caused by problems.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The mechanical seal pressure testing device for the kettle of the polycarbosilane production line is arranged at a mechanical seal position of a stirring kettle and is characterized by structurally comprising a shaft sleeve nut connected with the mechanical seal of the stirring kettle through an O-shaped ring, wherein a connecting seat is arranged above the shaft sleeve nut, a three-way connecting pipe inserted into the connecting seat is arranged on the connecting seat, a pressure gauge is arranged at a top end opening of the three-way connecting pipe, a pressure relief valve and an air inlet valve are respectively arranged at one side of a side port of the three-way connecting pipe, and an air source pipe is connected to the other end of the air inlet valve.
2. The mechanical seal pressure testing device for kettles of a polycarbosilane production line according to claim 1, wherein a tee joint is connected to a side port of the tee joint pipe, one end of the tee joint is connected with a pressure release valve, and the other end of the tee joint is connected with an air inlet valve.
3. The mechanical seal pressure testing device for kettles of a polycarbosilane production line according to claim 1, wherein the upper part of the connecting seat is above the shaft sleeve nut, and the middle lower part of the connecting seat is embedded into the middle part of the shaft sleeve nut and then detachably connected with the shaft sleeve nut through a locking piece.
4. The machine seal pressure test device for kettles of a polycarbosilane production line as set forth in claim 3, wherein said locking member is a locking bolt.
5. The machine seal pressure testing device for kettles of a polycarbosilane production line according to claim 1, wherein the three-way connecting pipe is connected with the connecting seat through a thread structure.
6. The mechanical seal pressure testing device for kettles of a polycarbosilane production line according to claim 1, wherein an internal thread is arranged on the shaft sleeve nut, and an external thread which forms a thread structure with the internal thread is arranged at a mechanical seal position of the stirring kettle.
7. The mechanical seal pressure testing device for kettles of a polycarbosilane production line as set forth in claim 1, wherein one side of the mechanical seal is provided with a cooling water inlet end, and the other side of the mechanical seal is provided with a cooling water outlet end.
8. The mechanical seal pressure testing device for kettles of a polycarbosilane production line as set forth in claim 7, wherein the cooling water inlet end is lower than the cooling water outlet end.
9. The mechanical seal pressure testing device for kettles of a polycarbosilane production line according to claim 1, wherein the bottom of the mechanical seal is connected with a blind flange through a flat gasket, and the mechanical seal is connected with the blind flange through a fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423242566.3U CN223628521U (en) | 2024-12-27 | 2024-12-27 | A mechanical seal pressure testing device for a polycarbosilane production line. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423242566.3U CN223628521U (en) | 2024-12-27 | 2024-12-27 | A mechanical seal pressure testing device for a polycarbosilane production line. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223628521U true CN223628521U (en) | 2025-12-05 |
Family
ID=97864510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423242566.3U Active CN223628521U (en) | 2024-12-27 | 2024-12-27 | A mechanical seal pressure testing device for a polycarbosilane production line. |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223628521U (en) |
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2024
- 2024-12-27 CN CN202423242566.3U patent/CN223628521U/en active Active
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