CN216643837U - Active protection device for hydrogen pipeline - Google Patents
Active protection device for hydrogen pipeline Download PDFInfo
- Publication number
- CN216643837U CN216643837U CN202220240108.8U CN202220240108U CN216643837U CN 216643837 U CN216643837 U CN 216643837U CN 202220240108 U CN202220240108 U CN 202220240108U CN 216643837 U CN216643837 U CN 216643837U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- shell
- casing
- pipeline
- controller
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Abstract
The utility model discloses an active protection device for a hydrogen pipeline, which comprises a shell, wherein the shell is provided with a through hole matched with the hydrogen pipeline along the direction of the hydrogen pipeline, the shell is divided into an upper shell and a lower shell, flanges are arranged at openings of the upper shell and the lower shell, the upper shell and the lower shell are hermetically connected through the flanges, a sealing gasket is arranged between the through hole and the hydrogen pipeline, the inner surfaces of the upper shell and the lower shell are both provided with a hydrogen adsorption reaction layer, the shell is provided with the sub-controllers which are connected with the main controller, the gas detector and the pressure gauge are arranged in the shell, the upper part of the shell is provided with the acousto-optic alarm lamp, the exhaust port of the shell is connected with the torch pipeline, the hydrogen leakage alarm device can alarm and prompt the hydrogen leakage condition in time, and initiatively carry out safe processing to the hydrogen of revealing, prevent that the phenomenon of hydrogen detonation from producing, reduce because economic loss and personnel's damage that the detonation led to.
Description
Technical Field
The utility model relates to the technical field of hydrogen energy, in particular to an active protection device for a hydrogen pipeline.
Background
With the development of science and technology, the mining scale of fossil energy is getting larger and larger, so that the generation speed of the fossil energy is far lower than the mining speed, and the air is polluted by using a large amount of fossil energy, so that the renewable energy is the development direction in the future. There are many kinds of renewable energy sources, and hydrogen is an effective energy storage method, and a hydrogen pipeline is usually adopted to transport hydrogen.
The hydrogen pipeline comprises a plurality of pipelines, valves or other structures are arranged on the pipelines, the problem of hydrogen leakage easily occurs at the joints of the pipelines and the valves, and when the volume fraction of hydrogen in the air exceeds 4% -75%, explosion can be caused when encountering a fire source, so that economic loss and personnel damage are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides an active protection device for a hydrogen pipeline. According to the utility model, the leakage point is sealed by arranging the shell and the sealing structure, a small amount of hydrogen is adsorbed by the hydrogen adsorption reaction layer, and the hydrogen is discharged into the torch system for safe treatment through the one-way valve when a large amount of hydrogen is leaked.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a hydrogen pipeline initiative protector, includes the casing, the casing is the cuboid, the casing along hydrogen pipeline direction be equipped with hydrogen pipeline complex through-hole, the casing divide into casing and lower casing, the opening part of going up casing and casing down is equipped with the flange, is equipped with a plurality of connecting holes on the flange, go up casing and lower casing and pass through flange sealing connection, be equipped with sealed the pad between through-hole and the hydrogen pipeline, it all is equipped with hydrogen adsorption reaction layer with inferior valve internal surface to go up the casing, be equipped with the gas vent on the casing, the gas vent is connected with exhaust duct, the last check valve that is equipped with of exhaust duct.
The shell is made of aluminum alloy, and antistatic coatings are arranged on the inner surface and the outer surface of the shell.
The shell is provided with a sub-controller, the gas detector and the pressure measuring instrument are arranged in the shell and electrically connected with the sub-controller, and the sub-controller is connected with the main controller.
The upper end face of the upper shell is provided with an audible and visual alarm which comprises a red lamp, a yellow lamp, a green lamp and a buzzer, and the audible and visual alarm is electrically connected with the sub-controllers.
The master controller is arranged in the master control room, an alarm system is arranged in the master control room, and the alarm system is connected with the master controller.
The fire-fighting water pipeline is arranged above the shell, a spray head is arranged on the fire-fighting water pipeline, an electromagnetic valve is arranged on a pipeline connected with the fire-fighting water pipeline and the spray head, and the electromagnetic valve is electrically connected with the sub-controllers.
The exhaust pipeline is connected with the flare pipeline.
The utility model has the beneficial effects that:
1. go up the casing and pass through flange seal with lower casing, can be quick simple install hydrogen pipeline initiative protector on hydrogen pipeline, alleviate workman's the installation degree of difficulty, reduce intensity of labour, easy to maintain repairs, through the sealed pad that sets up between through-hole and the hydrogen pipeline and the flange seal between last casing and the lower casing, can guarantee hydrogen pipeline initiative protector's whole gas tightness, escape to the air when preventing to take place hydrogen and reveal, reduce the potential safety hazard, prevent hydrogen deflagration, through hydrogen adsorption reaction layer, can initiatively adsorb a small amount of hydrogen of revealing, reduce the emergence of dangerous situation, when hydrogen reveals abundantly, through the check valve of vent department connection, can realize revealing the one-way discharge of hydrogen in the casing, prevent that the too big detonation accident that causes of casing internal pressure.
2. Adopt the aluminium alloy can be better prevent the emergence of shell material hydrogen embrittlement phenomenon, prevent that the shell from embrittlement or fracture, set up the production that the antistatic coating can eliminate static, prevent because static leads to hydrogen deflagration, improve the security of this device.
3. Detect the inside gas composition of casing through gas detector, when detecting hydrogen composition in the inside gas of casing, explain the condition that there is hydrogen in the hydrogen pipeline in this device and reveal, branch controller can total controller transmission alarm information, total controller control alarm system sends out the police dispatch newspaper, remind the staff to have the condition of revealing to take place, the manometer can detect the atmospheric pressure of casing inside, make things convenient for the staff in time to know the speed that hydrogen revealed according to the change condition of atmospheric pressure, the staff can in time reveal the point to hydrogen and handle, prevent that hydrogen from revealing the accident and continue to develop.
4. By arranging the audible and visual alarm, a worker can conveniently and quickly find a hydrogen leakage place on site, and when the active protection device of the hydrogen pipeline normally operates, a green light of the audible and visual alarm is always on; when hydrogen leakage occurs in the hydrogen pipeline, the green light of the audible and visual alarm is turned off, the yellow light is turned on, and the buzzer gives out an alarm sound to indicate that the hydrogen leakage condition occurs; when hydrogen reveals that the rate is very fast, the inside atmospheric pressure of casing increases, and when the inside atmospheric pressure of casing exceeded the pressure threshold value that sets up, branch controller control audible-visual annunciator's red light was bright normally to send emergency treatment alarm to total control, can accurately judge the severity that hydrogen revealed according to the condition of audible-visual alarm lamp.
5. When hydrogen reveals, the fire control is with water pipeling through the shower nozzle to scene and the surface water spray of casing, can the temperature of effectual reduction scene and casing, further elimination hydrogen deflagration's environmental condition increases the security of this device.
6. Reveal hydrogen one-way discharge into torch pipeline in with the casing through exhaust duct, can carry out safe processing with the hydrogen of revealing, be equipped with the check valve on exhaust duct, can prevent the hydrogen backward flow, prevent that the inside atmospheric pressure of casing from too high the condition that leads to hydrogen detonation from producing, increased the security of this device, reduce because economic loss and the personnel injured condition that detonation leads to.
Drawings
FIG. 1 is a schematic sectional view along the pipeline of the embodiment of the present invention;
fig. 2 is a left side view of the embodiment of fig. 1.
Fig. 1, an upper housing; 2. a lower housing; 3. a hydrogen gas circuit; 4. a hydrogen adsorption reaction layer; 5. a gasket; 6. a gas detector; 7. a pressure gauge; 8. a one-way valve; 9. a flare pipeline; 10. a fire-fighting water pipeline; 11. a spray head; 12. an electromagnetic valve; 13. a flange; 14. an audible and visual alarm.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.
As shown in fig. 1 and fig. 2, the active protection device for hydrogen pipeline comprises a housing, which is generally used in a hydrogen pipeline where a leakage is easy, such as a hydrogen pipeline valve or a hydrogen pipeline joint, the housing is a cuboid, the housing is provided with a through hole matching with the hydrogen pipeline along the direction of the hydrogen pipeline, the housing is divided into an upper housing 1 and a lower housing 2, the opening of the upper housing 1 and the lower housing 2 is provided with a flange 13, the flange 13 is provided with a plurality of connecting holes, the upper housing 1 and the lower housing 2 are connected by the flange 13, a sealing layer is provided between the flange of the upper housing 1 and the flange of the lower housing 2, the sealing layer can be made of rubber, felt or other material, a sealing pad 5 is provided between the through hole and the hydrogen pipeline, the sealing pad 5 can be made of rubber, teflon pad, asbestos pad, or other material, the inner surfaces of the upper housing 1 and the lower housing 2 are both provided with a hydrogen adsorption reaction layer 4, can adsorb a small amount of leaked hydrogen, reduce the emergence of dangerous situation. Go up casing 1 and casing 2 down and pass through flange seal 13 and be connected, alleviate workman's the installation degree of difficulty, reduce intensity of labour, easy dismounting, easy maintenance repairs, through the sealed pad 5 that sets up between through-hole and the hydrogen pipeline and go up the flange seal between casing 1 and the casing 2 down, can guarantee hydrogen pipeline initiative protector's whole gas tightness, in the loss air when preventing that hydrogen from revealing, reduce the potential safety hazard, prevent the emergence of deflagration.
The shell is made of aluminum alloy, the anti-static coatings are arranged on the inner surface and the outer surface of the shell, the shell can be well prevented from being hydrogen-brittle by the aluminum alloy, the shell is prevented from being embrittled or cracked, the anti-static coatings are arranged to eliminate static electricity, and the phenomenon that the static electricity causes hydrogen deflagration is prevented.
The gas detector 6 and the pressure gauge 7 are electrically connected with the branch controllers, the branch controllers are connected with the master controller, the master controller is arranged in the master control room, the alarm system is arranged in the master control room and comprises an alarm lamp and a buzzer, the gas detector 6 can detect gas components in the shell, the gas detector 6 transmits a detection result to the branch controllers, when the hydrogen components are detected in the gas in the shell, the situation that hydrogen leaks in a hydrogen pipeline in the device is described, the branch controllers send alarm signals to the master controller, the master controller controls the alarm lamp to be normally on, the buzzer alarms to remind workers of the hydrogen leakage situation, the pressure gauge 7 can detect the pressure in the shell, and the workers can know the severity of the hydrogen leakage timely according to the change situation of the pressure, the staff can in time handle hydrogen leakage point, prevents that hydrogen from revealing the accident and continuing to develop.
An audible and visual alarm 14 is arranged on the upper end face of the upper shell 1, the audible and visual alarm 14 comprises a red light, a yellow light, a green light and a buzzer, the audible and visual alarm 14 is electrically connected with the sub-controller, and when the hydrogen pipeline active protection device operates normally, the green light of the audible and visual alarm 14 is normally on; when hydrogen leakage occurs in the hydrogen pipeline, the gas detector 6 detects hydrogen components, transmits a detection structure to the sub-controller, and the sub-controller controls the green light of the audible and visual alarm 14 to be turned off, the yellow light to be turned on and the buzzer to give an alarm, so that the hydrogen leakage condition is indicated, and workers can find the hydrogen leakage point on site conveniently and timely; when the hydrogen leakage rate is fast, the air pressure in the shell is increased, and when the air pressure detected by the pressure gauge exceeds the set pressure threshold, the red light of the audible and visual alarm 14 is controlled by the sub-controller to be normally on.
The hydrogen gas leakage of the hydrogen pipeline leads to the pressure inside the shell to rise, when the pressure exceeds the limit of the one-way valve 8, the valve clack of the one-way valve 8 is opened, the hydrogen gas is discharged into the torch pipeline 9 through the exhaust pipeline, and when the gas reversely flows, the one-way valve 8 is closed due to the gas pressure, and the hydrogen gas is prevented from flowing back into the shell. The hydrogen that will reveal through check valve 8 is discharged into the torch system and is handled, prevents that the inside atmospheric pressure of casing from too high the condition that leads to the detonation from producing, increases the security of this device, reduces because economic loss and the personnel injured condition that hydrogen detonation leads to.
The top of casing is equipped with fire control water pipeline 10, be equipped with shower nozzle 11 on the fire control water pipeline 10, be equipped with solenoid valve 12 on the pipeline that fire control water pipeline 10 and shower nozzle 11 are connected, solenoid valve 12 is connected with branch controller electricity, and when the condition that takes place hydrogen and reveal, branch controller control solenoid valve 12 is opened, and shower nozzle 11 begins to spray water, can reduce the temperature of on-the-spot temperature and casing, and further elimination hydrogen deflagration's environmental condition increases the security.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for the purpose of describing the present invention but do not require that the present invention must be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be interpreted broadly, and may be connected or disconnected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific cases by those skilled in the art.
The above description is of the preferred embodiment of the present invention, and the description of the specific embodiment is only for better understanding of the idea of the present invention. It will be appreciated by those skilled in the art that various modifications and equivalents may be made in accordance with the principles of the utility model and are considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a hydrogen pipeline initiative protector, includes the casing, characterized by, the casing is the cuboid, the casing along hydrogen pipeline direction be equipped with hydrogen pipeline complex through-hole, the casing divide into casing and lower casing, the opening part of going up casing and lower casing is equipped with the flange, go up the casing and pass through flange joint with lower casing, be equipped with sealed the pad between through-hole and the hydrogen pipeline, it all is equipped with hydrogen adsorption reaction layer with inferior valve internal surface to go up the casing, be equipped with the gas vent on the casing, the gas vent is connected with exhaust duct, the last check valve that is equipped with of exhaust duct.
2. The active protector for hydrogen pipelines as claimed in claim 1, wherein said shell is made of aluminum alloy and has antistatic coatings on its inner and outer surfaces.
3. The active protector of hydrogen pipeline as set forth in claim 1, wherein the shell has a sub-controller, the shell has a gas detector and a pressure gauge inside, the gas detector and the pressure gauge are electrically connected to the sub-controller, and the sub-controller is connected to the main controller.
4. The active protection device for hydrogen pipelines according to claim 3, wherein an audible and visual alarm is arranged on the upper end face of the upper shell, the audible and visual alarm comprises a red light, a yellow light, a green light and a buzzer, and the audible and visual alarm is electrically connected with the sub-controllers.
5. The active protection device for hydrogen pipelines according to claim 3, wherein the master controller is arranged in a master control room, an alarm system is arranged in the master control room, and the alarm system is connected with the master controller.
6. The active protector of hydrogen pipeline as set forth in claim 3, wherein a fire-fighting water pipeline is provided above said casing, a spray head is provided on said fire-fighting water pipeline, an electromagnetic valve is provided on the pipeline connecting the fire-fighting water pipeline and the spray head, and the electromagnetic valve is electrically connected to the sub-controller.
7. The active hydrogen pipeline safeguard as recited in claim 1, wherein said exhaust conduit is connected to a flare conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240108.8U CN216643837U (en) | 2022-01-28 | 2022-01-28 | Active protection device for hydrogen pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240108.8U CN216643837U (en) | 2022-01-28 | 2022-01-28 | Active protection device for hydrogen pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216643837U true CN216643837U (en) | 2022-05-31 |
Family
ID=81727855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220240108.8U Active CN216643837U (en) | 2022-01-28 | 2022-01-28 | Active protection device for hydrogen pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216643837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493968A (en) * | 2022-09-22 | 2022-12-20 | 北京工业大学 | Permeation type hydrogen leakage alarm device |
-
2022
- 2022-01-28 CN CN202220240108.8U patent/CN216643837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493968A (en) * | 2022-09-22 | 2022-12-20 | 北京工业大学 | Permeation type hydrogen leakage alarm device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216643837U (en) | Active protection device for hydrogen pipeline | |
| CN205639838U (en) | Pipeline valve gate and medium equipment of filler department thereof | |
| KR20110100175A (en) | Gas type fire-fighting apparatus for a ship with double detective function | |
| CN106033022A (en) | Pipe valve and detection device for leakage of medium at filler position thereof | |
| CN112361228B (en) | Explosion-proof type electric control hydraulic actuating mechanism and working method thereof | |
| CN212251683U (en) | Prevent leaking natural gas line | |
| CN201487551U (en) | Chlorine gas safe feeding metering box | |
| CN203489006U (en) | Safe conveying system for coalbed methane | |
| EP2496313A1 (en) | Security system for operation of a habitat on installations | |
| CN214700286U (en) | Corrosion-resistant intelligent drainer | |
| CN104407637A (en) | Automatic water level monitoring system for mining | |
| CN210375197U (en) | Coal mine hydrology monitoring wellhead assembly | |
| CN209865084U (en) | Fire arrestor | |
| CN108050390A (en) | Gas divides clack box and gas transportation facilities | |
| CN207300469U (en) | Industrial pipeline dust-precipitating system aluminium powder subsequent explosion explosion suppression device | |
| CN209495050U (en) | A kind of intelligence yard piping connector | |
| CN207778025U (en) | Gas divides clack box and gas transportation facilities | |
| CN210423853U (en) | Automatic pressure relief device for pipeline | |
| CN202903236U (en) | Detection and monitoring system applicable to underground mine emergency refuge facilities | |
| CN105387564A (en) | Anti-explosion air-conditioner and control method thereof | |
| CN214847064U (en) | Intelligent module box of natural gas valve group | |
| CN211013384U (en) | Flange leakage monitoring device | |
| CN106768659B (en) | A kind of non-contacting gas leak detection system | |
| CN219830224U (en) | Gas leakage detection device | |
| CN215931152U (en) | Fire water pipeline water pressure monitoring alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |