CN211013384U - Flange leakage monitoring device - Google Patents
Flange leakage monitoring device Download PDFInfo
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- CN211013384U CN211013384U CN201922391010.3U CN201922391010U CN211013384U CN 211013384 U CN211013384 U CN 211013384U CN 201922391010 U CN201922391010 U CN 201922391010U CN 211013384 U CN211013384 U CN 211013384U
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- flange
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Abstract
The utility model provides a flange leakage monitoring device relates to flange leakage monitoring field, has solved the easy technical problem who leaks and cause the accident of flange joint in the chemical industry production, and this flange leakage monitoring device includes air guide hole, air duct one, collection hourglass room, air duct two, temperature sensor, air duct three, pressure sensor, P L C control end and remote monitoring terminal, the utility model is used for the condition of conveyer pipe is connected to the application flange among the chemical industry production, has reduced the risk that the flange leaked and arouse the accident, has ensured production safety.
Description
Technical Field
The utility model relates to a leakage monitoring device, concretely relates to flange leakage monitoring device.
Background
In the modern chemical industry production, the connection between two pipelines is generally carried out by using a flange when gas-liquid conveying is involved, but in the using process, the leakage of the flange also becomes a potential safety hazard influencing the working production.
The leakage of flange connections is related to a plurality of factors such as gaskets and fasteners, and the leakage failure of the flange seal is also complicated and difficult to control from a single factor. The leakage of the flange seal of the chemical device not only increases energy consumption and causes environmental pollution, but also can cause serious accidents such as explosion, personal injury and death and the like.
If can carry out real-time supervision to the leakage quantity that leaks of flange through specific flange leakage monitoring devices, can help the user to know the sealed situation of flange, in time formulate the countermeasure, finally avoid the occurence of failure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flange leakage monitoring device sets up flange leakage monitoring device through the annular leakage space that forms between waiting to monitor sealing device and the O type sealing washer between the flange of waiting to monitor and solves the technical problem that real-time supervision flange leaked. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a flange leakage monitoring device, including seting up air guide hole, collection hourglass room, air duct one, temperature sensor, pressure sensor and P L C control end on a flange.
Optionally or preferably, one end of the air guide hole is communicated with an annular space formed between the sealing device to be monitored and the O-shaped sealing ring, and the other end of the air guide hole is communicated with the outside;
optionally or preferably, the leakage collection chamber is a closed container;
optionally or preferably, one end of the first air duct is hermetically connected with the air duct, and the other end of the first air duct is connected with the leakage collecting chamber;
optionally or preferably, the leakage collecting chamber is further connected with a temperature sensor and a pressure sensor for monitoring the temperature and pressure change in the leakage collecting chamber;
optionally or preferably, the temperature sensor and the pressure sensor are both electrically connected with a P L C control end.
Optionally or preferably, the system further comprises an alarm device, wherein the alarm device is electrically connected with the P L C control end.
Alternatively or preferably, the air guide holes are L-type through holes.
Optionally or preferably, the P L C control end is connected with a remote monitoring device through the internet of things.
Optionally or preferably, an union is connected between the first air duct and the air guide hole, a sealing device is arranged outside the first air duct and the union, and a sealing gasket is arranged between the union and the air guide hole.
Optionally or preferably, the temperature sensor, the pressure sensor and the leakage collection chamber are hermetically connected through an air duct and an air duct respectively.
Based on the technical scheme, the following technical effects can be generated:
the embodiment of the utility model provides a pair of flange leakage monitoring device is applicable to the leakage monitoring of sealing device between the flange among the pipeline in the chemical industry production. The device monitors the temperature and pressure change of the annular space in real time by arranging the air guide hole on the flange surface on one side between the flange sealing device to be monitored and the O-shaped sealing ring, and calculates whether the leakage amount of the sealing device is within a safety range or not through the change of the temperature and the pressure to complete the real-time monitoring of the annular leakage space of the flange connecting surface. The utility model discloses flange leakage monitoring device also can carry out real time monitoring to flange leakage monitoring device through remote terminal connection thing networking.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is an enlarged schematic view of the connection position of the sensor of the present invention;
in the figure, the device comprises an O-shaped sealing ring 1, a flange sealing device 2, an air guide hole 3, an air guide pipe I4, a leakage collecting chamber 5, an air guide pipe II 6, an air guide pipe II 7, a temperature sensor 8, an air guide pipe III 9, a pressure sensor 10, a P L C control end 11, a remote monitoring terminal 12, an annular space 13 and a movable joint.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-2:
the utility model provides a flange leakage monitoring device, including seting up air guide hole 3, collection hourglass room 5, air duct one, temperature sensor 7, pressure sensor 9 and P L C control end 10 on one of them flange, wherein:
one end of the air vent 3 is communicated with an annular space 12 formed between the sealing device 2 to be monitored and the O-shaped sealing ring 1, and the other end of the air vent is communicated with the outside;
the leakage collecting chamber 5 is a closed container;
one end of the air duct I6 is hermetically connected to the air guide hole 3, and the other end of the air duct I6 is connected with the leakage collection chamber 5;
the leak collecting chamber 5 is also connected with a temperature sensor 7 and a pressure sensor 9 for monitoring the temperature and pressure change in the leak collecting chamber 5;
the temperature sensor 7 and the pressure sensor 9 are both electrically connected with a P L C control end 10.
As an optional implementation mode, the intelligent controller further comprises an alarm device, and the alarm device is electrically connected with the P L C control terminal 10.
In an alternative embodiment, the air holes 3 are L-shaped through holes.
As an optional implementation manner, the P L C control end 10 is connected to a remote monitoring device 11 through the internet of things.
As an optional implementation mode, an union 13 is connected between the first air duct 6 and the air guide hole 3, a sealing device is arranged outside the connection between the first air duct 6 and the union 13, and a sealing gasket is arranged between the union 13 and the air guide hole 3.
In an alternative embodiment, the temperature sensor 7 and the pressure sensor 9 are hermetically connected with the leakage collecting chamber 5 through a gas guide tube 6 and a gas guide tube 8 respectively.
In an alternative embodiment, the alarm device may be a buzzer warning lamp, and if the flange leakage rate exceeds the safety value allowable range, the buzzer warning lamp flashes to alarm.
As an optional embodiment, a detection part of the temperature sensor 7 extends into the second air duct 6, and a sealing device is arranged at the position where the temperature sensor 7 is connected with the second air duct 6.
As an alternative embodiment, the pressure sensor 9 is installed on the airway tube three 8, and a sealing device is arranged at the position where the pressure sensor 9 is connected with the airway tube three 8.
As an optional implementation manner, a leakage rate calculation program is arranged in the P L C control end 10.
The utility model discloses an in the embodiment, a flange leakage monitoring device working process as follows: if the flange sealing device 2 leaks, leaked gas enters the leakage collecting chamber 5 through the gas guide hole 3 and the gas guide pipe I4, the temperature sensor 7 and the pressure sensor 9 which are arranged on the leakage collecting chamber 5 through the gas guide pipe II 6 and the gas guide pipe III 8 sense the temperature and pressure changes in the leakage collecting chamber 5, and the temperature sensor 7 and the pressure sensor 7 sense the pressure changesThe force sensor 9 transmits temperature and pressure change information to the P L C control terminal 10 according to the gas state equation according to the pressure and temperature change during the leakage
And calculating the leakage rate according to the change values of the temperature and the pressure in the measured time, judging that the sealing system belongs to the safety level if the leakage rate is less than the maximum allowable leakage rate specified by a certain safety level according to the requirement of the leakage safety level of the flange sealing surface, judging that the sealing system is unsafe if the requirement of the actual working condition is not met with the requirement of the safety level, and controlling a buzzer warning lamp to give an alarm by a P L C control end to prompt that the sealing is invalid.
P L C control end 10 passes through thing networking and remote monitoring terminal 11, and technical personnel accessible remote real-time supervision sealing device leakage condition at remote monitoring terminal 11.
Claims (6)
1. The flange leakage monitoring device is characterized by comprising an air guide hole (3), a leakage collecting chamber (5), an air guide pipe I (4), a temperature sensor (7), a pressure sensor (9) and a P L C control end (10) which are arranged on one flange;
one end of the air guide hole (3) is communicated with an annular space (12) formed between the sealing device (2) to be monitored and the O-shaped sealing ring (1), and the other end of the air guide hole is communicated with the outside;
the leakage collecting chamber (5) is a closed container;
one end of the air duct I (4) is hermetically connected to the air guide hole (3), and the other end of the air duct I (4) is connected with the leakage collection chamber (5);
the leak collection chamber (5) is also connected with a temperature sensor (7) and a pressure sensor (9) for monitoring the temperature and pressure change in the leak collection chamber (5);
the temperature sensor (7) and the pressure sensor (9) are both electrically connected with a P L C control end (10).
2. The flange leakage monitoring device according to claim 1, further comprising an alarm device electrically connected with the P L C control terminal (10).
3. The flange leakage monitoring device according to claim 1, wherein the air guide holes (3) are L-shaped through holes.
4. The flange leakage monitoring device according to claim 1, wherein the P L C control end (10) is connected with a remote monitoring device (11) through the Internet of things.
5. A flange leak monitoring device according to claim 1, characterized in that: a movable joint (13) is connected between the first air duct (4) and the air guide hole (3), a sealing device is arranged outside the first air duct (4) and the movable joint (13) in a connected mode, and a sealing gasket is arranged between the movable joint (13) and the air guide hole (3).
6. A flange leak monitoring device according to claim 1, characterized in that: and the temperature sensor (7), the pressure sensor (9) and the leakage collecting chamber (5) are respectively in sealing connection through a second air duct (6) and a third air duct (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391010.3U CN211013384U (en) | 2019-12-27 | 2019-12-27 | Flange leakage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391010.3U CN211013384U (en) | 2019-12-27 | 2019-12-27 | Flange leakage monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211013384U true CN211013384U (en) | 2020-07-14 |
Family
ID=71476151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922391010.3U Active CN211013384U (en) | 2019-12-27 | 2019-12-27 | Flange leakage monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211013384U (en) |
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2019
- 2019-12-27 CN CN201922391010.3U patent/CN211013384U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: No.288, Qinghua East Road, Qingbaijiang District, Chengdu, Sichuan 610000 Patentee after: Chengdu Ruiqi Zhizao Technology Co.,Ltd. Address before: No.288, Qinghua East Road, Qingbaijiang District, Chengdu, Sichuan 610000 Patentee before: CHENGDU RICH PETROCHEMICAL ENGINEERING Co.,Ltd. |