CN215653584U - Fire protection device of gas transmission pipeline connecting flange - Google Patents
Fire protection device of gas transmission pipeline connecting flange Download PDFInfo
- Publication number
- CN215653584U CN215653584U CN202121401665.5U CN202121401665U CN215653584U CN 215653584 U CN215653584 U CN 215653584U CN 202121401665 U CN202121401665 U CN 202121401665U CN 215653584 U CN215653584 U CN 215653584U
- Authority
- CN
- China
- Prior art keywords
- gas
- flange
- fire
- controller
- protection device
- 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.)
- Active
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a fire protection device of a gas transmission pipeline connecting flange, which is characterized in that: comprises a fire-fighting assembly and a control assembly; the fire-fighting assembly comprises a gas ring pipe fixedly connected with the flange, an electromagnetic valve and a gas pipeline used for connecting the gas ring pipe and the electromagnetic valve; the gas ring pipe is provided with a nozzle; one end of the electromagnetic valve, which is far away from the gas ring pipe, is connected with a gas storage tank, and flame-retardant gas is stored in the gas storage tank; the control assembly comprises a controller and a gas guide pipe connected with the flange, one end, far away from the flange, of the gas guide pipe is connected with a gas inlet of the getter pump, and a gas outlet of the getter pump is connected with a combustible gas detector. The device can control the on-off of the electromagnetic valve by the controller through monitoring the flange temperature and the combustible gas detection and monitoring equipment, thereby controlling the injection of the flame retardant gas, diluting the concentration of the combustible gas and preventing the fire from happening.
Description
Technical Field
The utility model relates to a fire protection device of a gas transmission pipeline connecting flange, and belongs to the technical field of fire safety.
Background
In the petrochemical industry, various high-pressure flammable and explosive gases are stored, transported and used, so that the fire-fighting protection device is always the key protection field for fire fighting. The pipeline flange is easily changed in shape due to the influence of internal and external fluid pressure difference, temperature difference and internal fluid flow, so that pipeline gas leakage is caused, the leaked gas is very easy to cause fire due to static electricity or naked fire or higher operating temperature, and a flange part for conveying high-pressure inflammable and explosive gas is easy to generate a violent jet fire after the fire occurs, so that the fire has the problems of large fire intensity, large airflow pressure difference, large jet impact, easy influence on surrounding pipeline equipment and the like, and firefighters are easily damaged by jet fire flow in the fire extinguishing process, the stable operation of a factory and the personal safety of the firefighters are seriously damaged, and the fire protection of the pipeline flange is important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a fire protection device for a gas transmission pipeline connecting flange, so as to solve the technical problems that gas leakage cannot be effectively detected and fire disasters are easy to occur in the prior art.
In order to solve the technical problem, the utility model is realized by adopting the following scheme:
the utility model provides a fire protection device of a gas transmission pipeline connecting flange, which is characterized in that: comprises a fire-fighting assembly and a control assembly;
the fire-fighting assembly comprises a gas ring pipe 3 fixedly connected with a flange, an electromagnetic valve 1 and a gas pipeline 2 used for connecting the gas ring pipe 3 with the electromagnetic valve 1; the gas ring pipe 3 is provided with a nozzle 5; one end of the electromagnetic valve 1, which is far away from the gas ring pipe 3, is connected with a gas storage tank, and flame-retardant gas is stored in the gas storage tank;
the control assembly comprises a controller 12 and a gas guide pipe 8 connected with the flange, one end, far away from the flange, of the gas guide pipe 8 is connected with a gas inlet of a gas suction pump 9, a gas outlet of the gas suction pump 9 is connected with a combustible gas detector 10, and the controller 12 is in signal connection with the combustible gas detector 10 and the electromagnetic valve 1 respectively.
Further, the control assembly further comprises a temperature sensor 7 for detecting the temperature of the flange, and the temperature sensor 7 is in signal connection with the controller 12.
Further, the control assembly further comprises a monitoring device 11 for acquiring a flange image, and the monitoring device 11 is in signal connection with the controller 12.
Further, the gas ring pipe 3 is fixedly connected with the flange through a bracket 15.
Furthermore, the nozzles 5 are distributed on the gas ring pipe 3 in multiple groups.
Further, the injection port of the nozzle 5 faces the flange.
Further, an alarm 14 is arranged on the controller 12.
Compared with the prior art, the utility model has the following beneficial effects:
the controller controls the switch of the electromagnetic valve through monitoring the flange temperature and the combustible gas detection and monitoring equipment, thereby controlling the injection of the flame retardant gas, diluting the concentration of the combustible gas and preventing the fire from happening;
the device adopts an automatic system, protects the life safety of operators and the safety of chemical plant areas, is simple, is convenient to install and maintain, and can effectively reduce the possibility of flange fire.
Drawings
FIG. 1 is a schematic view of a fire protection system for a gas delivery pipe coupling flange;
FIG. 2 is a side view of the flange of FIG. 1;
in the figure: 1. an electromagnetic valve; 2. a gas conduit; 3. a gas loop; 4. a bolt; 5. a nozzle; 6. a flange; 7. a temperature sensor; 8. a gas conduit; 9. a getter pump; 10. a combustible gas detector; 11. monitoring equipment; 12. a controller; 13. a control panel; 14. an alarm; 15. and (4) a bracket.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 and 2, a fire protection device for a gas transmission pipeline connecting flange provided by an embodiment of the utility model comprises a fire protection assembly and a control assembly;
the fire-fighting assembly comprises a gas ring pipe 3 fixedly connected with the flange, an electromagnetic valve 1 and a gas pipeline 2 used for connecting the gas ring pipe 3 and the electromagnetic valve 1; the gas ring pipe 3 is provided with a nozzle 5;
the fire-fighting assembly fixes the gas ring pipe 3 at the joint of the two flanges through a support 15, the support 15 and the flanges are fixed through bolts 4, and the distance between the gas ring pipe 3 and the flanges 6 can be controlled by adjusting the support 15 and the bolts 4.
The gas ring pipe 3 is provided with a plurality of nozzles 5, the nozzles 5 can be uniformly distributed on the gas ring pipe 3, and the gas outlet directions of all the nozzles 5 are over against the connection part of the lower square flange 6, so that the flame-retardant gas can be effectively sprayed to the flange, the concentration of the combustible gas can be diluted, and the occurrence of fire can be prevented.
The fire-fighting assembly is processed by heat-resistant stainless steel, and the inside and the outside of the fire-fighting assembly are subjected to anticorrosive treatment.
The control assembly comprises a gas guide pipe 8, a getter pump 9, a combustible gas detector 10 and a controller 12, wherein the getter pump 9 can be a small getter pump. The gas conduit 8 is formed by processing a heat-resistant stainless steel pipe, and is subjected to corrosion prevention treatment inside and outside.
One end of the gas guide pipe 8 is connected with the flange, one end of the gas guide pipe 8, which is far away from the flange, is connected with a gas inlet of the getter pump 9, a gas outlet of the getter pump 9 is connected with a combustible gas detector 10, and the controller 12 is respectively in signal connection with the combustible gas detector 10 and the electromagnetic valve 1. The combustible gas detector 10 and the getter pump 9 are 3-50 meters away from the flange, and the getter pump 9 can suck other gases around the flange to the combustible gas detector 10 for detection. The flammable gas detector 10 is in signal communication with the controller 12, and feeds back the detected result to the controller 12.
The controller 12 is provided with a control panel 13 and an alarm 14, the controller 12 is in signal connection with the electromagnetic valve 1, and the controller 12 controls the electromagnetic valve 1 to be opened or closed according to the detected information.
The control assembly can also be provided with a temperature sensor 7, the temperature sensor 7 is in contact with the flange 6 and is in signal connection with the controller 12, the temperature of the flange 6 is detected in real time, detected data are fed back to the controller 12, the temperature range of the starting of the electromagnetic valve 1 can be set through the control panel 13, and the controller 12 controls the opening or closing of the electromagnetic valve 1 according to the detected information.
The control assembly may also be provided with a monitoring device 11, and the monitoring device 11 may be a camera for monitoring the dynamic signal of the flange in real time. Normally, the flange is in a static state, the monitoring device 11 captures a static picture, when the flange leaks air to generate smoke or fires, the monitoring device 11 captures a dynamic picture, at the moment, the monitoring device 11 transmits a signal to the controller 12, the controller 12 controls the alarm 14 to send out an alarm signal, and the electromagnetic valve 1 is opened.
The fire protection device operation flow of the gas transmission pipeline connecting flange provided by the embodiment is as follows: when the chemical plant device runs smoothly, the temperature of the gas flowing through the flange 6 is relatively constant, the temperature of the flange is also relatively constant, and no combustible gas exists around the flange. When the flange 6 leaks, combustible gas is generated around the flange, the combustible gas is sucked to a combustible gas detector 10 by a small-sized suction pump 9 through a gas conduit 8, and the combustible gas detector 10 transmits a signal to a controller 12; or the temperature of the flange 6 rises due to the combustion of the leaked combustible gas, the temperature sensor 7 transmits a signal to the controller 12; or monitoring that the flange is abnormal through the monitoring device 11, and transmitting a signal to the controller 12; the controller 12 controls the electromagnetic valve 1 to open, the alarm 14 sounds at the same time, the flame-retardant gas is smoothly supplied to the gas ring pipe 3 through the gas pipeline 2 and then is sprayed out from the nozzle 5, the flame-retardant gas covers the whole flange 6, the concentration of the combustible gas is diluted, the air is isolated from being contacted with the combustible gas, the concentration of the combustible gas around the flange is below the explosion limit, and the combustion of the gas is prevented or interrupted.
The fire protection device effectively solves the fire loss caused by untimely discovery, improper treatment and the like.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a gas transmission pipeline flange's fire protection device which characterized in that: comprises a fire-fighting assembly and a control assembly;
the fire-fighting assembly comprises a gas ring pipe (3) fixedly connected with the flange, an electromagnetic valve (1) and a gas pipeline (2) used for connecting the gas ring pipe (3) and the electromagnetic valve (1); a nozzle (5) is arranged on the gas ring pipe (3); one end of the electromagnetic valve (1), which is far away from the gas ring pipe (3), is connected with a gas storage tank, and flame-retardant gas is stored in the gas storage tank;
the control assembly comprises a controller (12) and a gas guide pipe (8) connected with the flange, one end, far away from the flange, of the gas guide pipe (8) is connected with a gas inlet of a gas suction pump (9), a gas outlet of the gas suction pump (9) is connected with a combustible gas detector (10), and the controller (12) is in signal connection with the combustible gas detector (10) and the electromagnetic valve (1) respectively.
2. A fire protection device of a gas delivery pipe connection flange as defined in claim 1, wherein: the control assembly further comprises a temperature sensor (7) for detecting the temperature of the flange, and the temperature sensor (7) is in signal connection with the controller (12).
3. A fire protection device of a gas delivery pipe connection flange as defined in claim 1, wherein: the control assembly further comprises a monitoring device (11) used for collecting flange images, and the monitoring device (11) is in signal connection with the controller (12).
4. A fire protection device of a gas delivery pipe connection flange as defined in claim 1, wherein: the gas ring pipe (3) is fixedly connected with the flange through a support (15).
5. A fire protection device of a gas delivery pipe connection flange as defined in claim 1, wherein: the nozzles (5) are distributed on the gas ring pipe (3) uniformly.
6. A fire protection device of a gas delivery pipe connection flange as defined in claim 1, wherein: the jet orifice of the nozzle (5) faces the flange.
7. A fire protection device of a gas delivery pipe connection flange as defined in claim 1, wherein: an alarm (14) is arranged on the controller (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401665.5U CN215653584U (en) | 2021-06-23 | 2021-06-23 | Fire protection device of gas transmission pipeline connecting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401665.5U CN215653584U (en) | 2021-06-23 | 2021-06-23 | Fire protection device of gas transmission pipeline connecting flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215653584U true CN215653584U (en) | 2022-01-28 |
Family
ID=79976596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121401665.5U Active CN215653584U (en) | 2021-06-23 | 2021-06-23 | Fire protection device of gas transmission pipeline connecting flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215653584U (en) |
-
2021
- 2021-06-23 CN CN202121401665.5U patent/CN215653584U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111991729B (en) | Power supply fire extinguishing device and locomotive | |
| CN108969950B (en) | High-pressure water mist fire extinguishing system for marine floating reactor containment | |
| CN215653584U (en) | Fire protection device of gas transmission pipeline connecting flange | |
| CN109459997B (en) | Combined type power plant fireproof and explosion-proof purging system and control method | |
| CN212662507U (en) | Energy storage container perfluor hexanone extinguishing device | |
| CN218572691U (en) | Energy storage system | |
| CN219815086U (en) | Charging station fills electric pile automatic fire extinguishing system | |
| CN115501521A (en) | Energy storage system | |
| CN216643837U (en) | Active protection device for hydrogen pipeline | |
| CN212439812U (en) | Intelligent fire extinguishing wall surface for closed space | |
| CN217162956U (en) | Positive pressure type active carbon device capable of automatically extinguishing fire | |
| CN209055842U (en) | A kind of fire-proof and explosion-proof purge system of combined power generation factory | |
| CN112076413A (en) | Intelligent unmanned ship fire extinguishing system and fire extinguishing method | |
| CN208188663U (en) | A kind of liquefied ammonia security control device | |
| CN112121340A (en) | Pipe network type fire extinguishing device | |
| CN218565136U (en) | Safe conveying device for high-pressure combustible explosive experimental gas | |
| CN217612659U (en) | Combustion system of oil field heating furnace | |
| CN217612660U (en) | Fire extinguishing device of oil field heating furnace | |
| CN114344775B (en) | Pipeline spark detection extinguishing system and control method thereof | |
| CN218871125U (en) | Fire-proof equipment | |
| CN212548043U (en) | Intelligent unmanned ship fire extinguishing system | |
| CN214436027U (en) | Pipe network type fire extinguishing device | |
| CN111228683A (en) | Combustible gas inerting fire extinguishing system of offshore floating reactor cabin | |
| CN220090325U (en) | Low-pressure water mist fire extinguishing device and low-pressure water mist fire extinguishing system | |
| CN218356991U (en) | Fire extinguishing system prying block for offshore platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |