CN117006411A - Natural gas storage tank leakage alarm device - Google Patents
Natural gas storage tank leakage alarm device Download PDFInfo
- Publication number
- CN117006411A CN117006411A CN202311004588.3A CN202311004588A CN117006411A CN 117006411 A CN117006411 A CN 117006411A CN 202311004588 A CN202311004588 A CN 202311004588A CN 117006411 A CN117006411 A CN 117006411A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- gas storage
- wall
- natural gas
- sealing sleeve
- 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.)
- Withdrawn
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000003345 natural gas Substances 0.000 title claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 239000000843 powder Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000000049 pigment Substances 0.000 claims description 6
- CTFKOMUXSHQLLL-UHFFFAOYSA-N 2,6-ditert-butyl-4-[[1-(hydroxymethyl)cyclopentyl]methyl]phenol Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC2(CO)CCCC2)=C1 CTFKOMUXSHQLLL-UHFFFAOYSA-N 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 2
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a natural gas storage tank leakage alarm device, which comprises a gas storage tank and a sealing sleeve; the air storage tank is positioned in the sealing sleeve, a fixed disc is fixedly connected to the inner wall of the sealing sleeve, the air storage tank is arranged at the top of the fixed disc, a threaded cylinder is integrally formed on the outer wall of the sealing sleeve, a cylinder cover is connected with the inner thread of the threaded cylinder in a threaded manner, the top of the cylinder cover is communicated with an air inlet pipe, and one end of the bottom of the air inlet pipe penetrates through the top of the air storage tank; when the natural gas storage tank leaks, the leaked gas can be rapidly filled into the sealed cavity, the internal pressure is relieved, the potential safety hazard caused by the leakage of the gas storage tank is effectively reduced, the gas is prevented from being directly discharged to the external environment, the leaked natural gas can be monitored by arranging the methane sensor, the buzzer alarm is automatically triggered to give an alarm, and maintenance personnel can be timely reminded to take action.
Description
Technical Field
The invention relates to the technical field of natural gas storage, in particular to a natural gas storage tank leakage alarm device.
Background
The natural gas storage tank leakage alarm device is a device for monitoring whether gas leakage occurs in the inside or surrounding environment of the natural gas storage tank, and sending an alarm to remind an operator or take corresponding safety measures when the leakage is detected. The alarm device usually adopts different sensing technologies to detect gas leakage and triggers an alarm according to the detection result.
However, when the conventional natural gas storage tank is used for supplementing gas, the internal pressure of the tank body is increased and the gas leakage is caused at the same time due to the rupture or the pore of the surface of the tank body, and the natural gas storage tank which is normally used also can generate gas leakage.
Disclosure of Invention
The invention aims to provide a natural gas storage tank leakage alarm device for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a natural gas storage tank leakage alarm device comprises a gas storage tank and a sealing sleeve; the air storage tank is positioned in the sealing sleeve, a fixed disc is fixedly connected to the inner wall of the sealing sleeve, the air storage tank is arranged at the top of the fixed disc, a threaded cylinder is integrally formed on the outer wall of the sealing sleeve, a cylinder cover is in threaded connection with the inside of the threaded cylinder, the top of the cylinder cover is communicated with an air inlet pipe, one end of the bottom of the air inlet pipe penetrates through the top of the air storage tank, a sealing cavity is formed between the outer wall of the air storage tank and the inner wall of the sealing sleeve, and a plurality of air outlet holes are formed in the top of the sealing sleeve according to circumferential distribution; the inside of the fixed disc is provided with a plurality of air inlet cavities according to the circumferential distribution, a first one-way valve is embedded in the inner wall of one side of each air inlet cavity, an air outlet of each first one-way valve penetrates through the air storage tank, an air inlet hole is formed in the inner wall of the top of each air inlet cavity, a second one-way valve is embedded in the air inlet hole, and pigment powder is filled in the air inlet cavities; the cylinder cover is provided with a gas leakage alarming mechanism for monitoring gas leakage and alarming.
Preferably, the gas leakage alarm mechanism comprises two methane sensors symmetrically arranged on the inner wall of the top of the cylinder cover, the micro controller is further embedded on the inner wall of the top of the cylinder cover, and the buzzer alarm is arranged on the top of the cylinder cover.
Preferably, the top of the cylinder cover is symmetrically communicated with two gas collecting pipes, and the end parts of the gas collecting pipes are welded with flange plates.
Preferably, the bottom of the sealing sleeve is provided with an arch-shaped opening formed integrally, the bottom of the air storage tank is communicated with an exhaust pipe, and the outer wall of the exhaust pipe is fixedly connected with the inner wall of the arch-shaped opening.
Preferably, the control output end of the micro-controller is connected with the electric control end of the buzzer alarm, and the signal output end of the methane sensor is connected with the signal input end of the micro-controller.
Preferably, an exhaust valve is mounted at the end of the exhaust pipe.
Preferably, the outer wall of the air inlet pipe is fixedly connected with a sealing ring.
Preferably, the threads of the threaded cylinder and the cylinder cover adopt BSPP thread standards.
Preferably, the outer wall of the sealing sleeve is symmetrically provided with four supporting plates, and one end of the bottom of each supporting plate is L-shaped.
Preferably, two handles are symmetrically arranged at the top of the cylinder cover.
Compared with the prior art, the invention has the beneficial effects that: when the natural gas storage tank leaks, the leaked gas can be rapidly filled into the sealed cavity, the internal pressure is relieved, the potential safety hazard caused by leakage of the gas storage tank is effectively reduced, the gas is prevented from being directly discharged to the external environment, the leaked natural gas can be monitored, the buzzer alarm is automatically triggered to give out an alarm, and a maintainer is timely reminded to take action.
Drawings
FIG. 1 is a schematic diagram of a natural gas storage tank leak alarm apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a gas tank and a seal sleeve in a natural gas tank leak alarm apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of another perspective view of the gas storage tank and seal sleeve in the natural gas storage tank leak alarm apparatus according to the embodiment of the invention;
FIG. 4 is a schematic cross-sectional view of a gas storage tank and a seal sleeve in a natural gas storage tank leak alarm apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view showing another cross-sectional view of a gas storage tank and a seal sleeve in a natural gas storage tank leak alarm apparatus according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the portion A in FIG. 5 according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a fixed disk in a natural gas tank leakage alarm device according to an embodiment of the present invention.
In the figure: 1. a sealing sleeve; 2. a thread cylinder; 3. a cylinder cover; 4. a seal ring; 5. an air inlet pipe; 6. a handle; 7. a gas collecting tube; 8. a buzzer alarm; 9. a flange plate; 10. a support plate; 11. an exhaust valve; 12. a gas storage tank; 13. a first one-way valve; 14. an arch-shaped opening; 15. a micro controller; 16. an air outlet hole; 17. sealing the cavity; 18. an exhaust pipe; 19. a methane sensor; 20. a fixed disc; 21. an air intake cavity; 22. a second one-way valve; 23. an air inlet hole; 24. pigment powder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, an embodiment of the present invention provides a natural gas storage tank leak alarm apparatus, comprising: a gas reservoir 12 and a sealing sleeve 1.
As shown in fig. 1-4, the air storage tank 12 is located inside the sealing sleeve 1, the inner wall of the sealing sleeve 1 is fixedly connected with the fixing disc 20, the air storage tank 12 is arranged at the top of the fixing disc 20, the outer wall of the sealing sleeve 1 is integrally formed with the threaded cylinder 2, the threaded cylinder 2 is internally connected with the cylinder cover 3 in a threaded manner, two handles 6 are symmetrically arranged at the top of the cylinder cover 3, the top of the cylinder cover 3 is communicated with the air inlet pipe 5, one end of the bottom of the air inlet pipe 5 penetrates through the top of the air storage tank 12, a sealing cavity 17 is formed between the outer wall of the air storage tank 12 and the inner wall of the sealing sleeve 1, and a plurality of air outlet holes 16 are circumferentially distributed at the top of the sealing sleeve 1.
When in use, the gas storage tank 12 for storing natural gas is placed in the sealing sleeve 1 and positioned at the top of the fixed disc 20, the cylinder cover 3 is in threaded sealing with the threaded cylinder 2 on the outer wall of the sealing sleeve 1, and the gas inlet pipe 5 and the gas outlet pipe 18 are led out of the sealing sleeve 1 for discharging and inputting the natural gas in the gas storage tank 12.
In addition, the sealing sleeve 1 is matched with the cylinder cover 3 to cover the outside of the air storage tank 12 to form a protective shell and a sealing cavity 17, when the surface of the air storage tank 12 is damaged or leaked, high-pressure natural gas in the air storage tank 12 can be rapidly filled into the sealing cavity 17 and enter the cylinder cover 3 through the air outlet hole 16, and the internal pressure of the air storage tank 12 is effectively relieved.
Further, as shown in fig. 1 and fig. 4, two gas collecting pipes 7 are symmetrically connected to the top of the cylinder cover 3, a flange 9 is welded at the end of the gas collecting pipe 7, and the gas in the sealed cavity 17 and the cylinder cover 3 can be output outwards through the gas collecting pipe 7 for storing leaked natural gas.
As shown in fig. 3-7, a plurality of air inlet cavities 21 are circumferentially distributed in the fixed disc 20, a first one-way valve 13 is embedded in one side inner wall of the air inlet cavity 21, an air outlet of the first one-way valve 13 penetrates through the air storage tank 12, an air inlet hole 23 is formed in the top inner wall of the air inlet cavity 21, a second one-way valve 22 is embedded in the air inlet hole 23, and pigment powder 24 is filled in the air inlet cavity 21.
When natural gas leaks, the natural gas can be distributed in the sealed cavity 17, so that the leaked gas can enter the air inlet cavity 21 through a plurality of circumferentially distributed air inlet holes 23 and second one-way valves 22 and is discharged outwards in a small amount through the second one-way valves 22, and due to different leakage positions outside the air storage tank 12, the distribution gas pressure of the leaked gas in the sealed cavity 17 can be different, so that the air inlet pressure of the second one-way valves 22 and the air inlet cavity 21 is different, the gas can drive pigment powder 24 filled inside to be sprayed outwards from the first one-way valves 13 after passing through the air inlet cavity 21, and maintenance staff can judge the leakage point direction of the outer wall of the air storage tank 12 according to the degree of sprayed powder of the first one-way valves 13.
The first check valve 13 is normally closed, and after detecting the gas leakage, the first check valve 13 can be opened one by a maintenance serviceman.
As shown in fig. 1-7, a gas leakage alarm mechanism for monitoring gas leakage and alarming is installed on the cylinder cover 3, the gas leakage alarm mechanism comprises two methane sensors 19 symmetrically installed on the inner wall of the top of the cylinder cover 3, a micro controller 15 is further embedded in the inner wall of the top of the cylinder cover 3, and a buzzer alarm 8 is installed on the top of the cylinder cover 3.
When the gas leakage alarm mechanism is used, leaked natural gas can be monitored by the methane sensor 19 at the inner top of the cylinder cover 3, and a monitored signal is sent to the micro controller 15 to automatically control the buzzer alarm 8 to give an alarm, so that maintenance personnel are reminded of carrying out protective maintenance measures.
Further, the control output end of the micro-controller 15 is connected with the electric control end of the buzzer alarm 8, and the signal output end of the methane sensor 19 is connected with the signal input end of the micro-controller 15.
As shown in fig. 1-4, the bottom of the sealing sleeve 1 is provided with an integrally formed arch-shaped opening 14, the bottom of the air storage tank 12 is communicated with an exhaust pipe 18, the outer wall of the exhaust pipe 18 is fixedly connected to the inner wall of the arch-shaped opening 14, the exhaust pipe 18 at the bottom of the air storage tank 12 can extend out of the sealing sleeve 1 through the arch-shaped opening 14, and the air in the air storage tank 12 is conveniently discharged, wherein an exhaust valve 11 is arranged at the end part of the exhaust pipe 18, and the opening and closing states of the exhaust pipe 18 are controlled through the exhaust valve 11.
As shown in fig. 1-2, the outer wall of the air inlet pipe 5 is fixedly connected with a sealing ring 4, and the sealing ring 4 can enhance the tightness of the joint of the air inlet pipe 5 and the sealing sleeve 1.
Specifically, the threads of the threaded cylinder 2 and the cylinder cover 3 adopt a BSPP thread standard, and the BSPP thread standard can enable the connection of the threaded cylinder 2 and the cylinder cover 3 to generate air tightness.
Specifically, four support plates 10 are symmetrically installed on the outer wall of the sealing sleeve 1, and one end of the bottom of each support plate 10 is L-shaped.
According to the technical scheme, the working steps of the scheme are summarized and carded: when the natural gas storage tank 12 is used, the natural gas storage tank 12 stored in the natural gas storage tank is placed in the sealing sleeve 1 and is positioned at the top of the fixed disc 20, the cylinder cover 3 is in threaded sealing with the threaded cylinder 2 on the outer wall of the sealing sleeve 1, the gas inlet pipe 5 and the gas outlet pipe 18 are led out of the sealing sleeve 1 for discharging and inputting the natural gas in the natural gas storage tank 12, meanwhile, the sealing sleeve 1 and the cylinder cover 3 are matched to cover the outer part of the natural gas storage tank 12 to form a protective shell and a sealing cavity 17, and when the surface of the natural gas storage tank 12 is damaged or leaked, the high-pressure natural gas in the natural gas storage tank 12 can be rapidly filled into the sealing cavity 17, so that the internal pressure of the natural gas storage tank 12 is effectively relieved.
In addition, the leaked natural gas can be monitored by the methane sensor 19 at the inner top of the cylinder cover 3, and a monitored signal is sent to the microcontroller 15 to automatically control the buzzer alarm 8 to give an alarm, so that maintenance personnel are reminded of carrying out protective maintenance measures.
It should be noted that, after the first check valve 13 is normally set to be in a normally closed state, after the gas leakage is monitored, a maintenance repair person can open the first check valve 13 one by one, when the first check valve 13 is opened one by one, and in the process of discharging the leaked gas, the gas pressure of the leaked gas in the sealed cavity 17 is different due to the difference of the external leakage positions of the gas storage tank 12, so that the gas inlet pressure of the second check valves 22 and the gas inlet cavity 21 is different, the gas can drive the pigment powder 24 filled in the gas to be sprayed out from the first check valve 13 after passing through the gas inlet cavity 21, and the maintenance repair person can judge the leakage point position of the outer wall of the gas storage tank 12 according to the degrees of sprayed powder of the first check valves 13, thereby positioning the leakage point position of the natural gas storage tank 12 more quickly, and improving the maintenance repair efficiency.
None of the inventions are related to the same or are capable of being practiced in the prior art. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a natural gas storage tank leakage alarm device, includes gas holder (12) and sealed sleeve (1), its characterized in that:
the gas storage tank (12) is located inside the sealing sleeve (1), a fixed disc (20) is fixedly connected to the inner wall of the sealing sleeve (1), the gas storage tank (12) is arranged at the top of the fixed disc (20), a threaded cylinder (2) is integrally formed on the outer wall of the sealing sleeve (1), a cylinder cover (3) is connected with the inner thread of the threaded cylinder (2), the top of the cylinder cover (3) is communicated with a gas inlet pipe (5), one end of the bottom of the gas inlet pipe (5) penetrates through the top of the gas storage tank (12), a sealing cavity (17) is formed between the outer wall of the gas storage tank (12) and the inner wall of the sealing sleeve (1), and a plurality of gas outlet holes (16) are formed in the top of the sealing sleeve (1) according to circumferential distribution;
a plurality of air inlet cavities (21) are formed in the fixed disc (20) according to circumferential distribution, a first one-way valve (13) is embedded in the inner wall of one side of each air inlet cavity (21), an air outlet of each first one-way valve (13) penetrates through the corresponding air storage tank (12), an air inlet hole (23) is formed in the inner wall of the top of each air inlet cavity (21), a second one-way valve (22) is embedded in each air inlet hole (23), and pigment powder (24) is filled in each air inlet cavity (21);
the cylinder cover (3) is provided with a gas leakage alarm mechanism for monitoring gas leakage and giving an alarm.
2. A natural gas storage tank leak alarm apparatus as defined in claim 1, wherein: the gas leakage alarm mechanism comprises two methane sensors (19) symmetrically arranged on the inner wall of the top of the cylinder cover (3), a micro controller (15) is embedded in the inner wall of the top of the cylinder cover (3), and a buzzer alarm (8) is arranged on the top of the cylinder cover (3).
3. A natural gas storage tank leak alarm apparatus as defined in claim 1, wherein: the top of the cylinder cover (3) is symmetrically communicated with two gas collecting pipes (7), and a flange plate (9) is welded at the end part of each gas collecting pipe (7).
4. A natural gas storage tank leak alarm apparatus as defined in claim 1, wherein: the bottom of the sealing sleeve (1) is provided with an arch-shaped opening (14) which is formed integrally, the bottom of the air storage tank (12) is communicated with an exhaust pipe (18), and the outer wall of the exhaust pipe (18) is fixedly connected with the inner wall of the arch-shaped opening (14).
5. A natural gas storage tank leak alarm apparatus as defined in claim 2, wherein: the control output end of the micro controller (15) is connected with the electric control end of the buzzer alarm (8), and the signal output end of the methane sensor (19) is connected with the signal input end of the micro controller (15).
6. A natural gas storage tank leak alarm apparatus as defined in claim 4, wherein: an exhaust valve (11) is mounted at the end part of the exhaust pipe (18).
7. A natural gas storage tank leak alarm apparatus as defined in claim 1, wherein: the outer wall of the air inlet pipe (5) is fixedly connected with a sealing ring (4).
8. A natural gas storage tank leak alarm apparatus as defined in claim 1, wherein: the threads of the threaded cylinder (2) and the cylinder cover (3) adopt BSPP thread standards.
9. A natural gas storage tank leak alarm apparatus as defined in claim 1, wherein: four supporting plates (10) are symmetrically arranged on the outer wall of the sealing sleeve (1), and one end of the bottom of each supporting plate (10) is L-shaped.
10. A natural gas storage tank leak alarm apparatus as defined in claim 1, wherein: two handles (6) are symmetrically arranged at the top of the cylinder cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311004588.3A CN117006411A (en) | 2023-08-10 | 2023-08-10 | Natural gas storage tank leakage alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311004588.3A CN117006411A (en) | 2023-08-10 | 2023-08-10 | Natural gas storage tank leakage alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117006411A true CN117006411A (en) | 2023-11-07 |
Family
ID=88565316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311004588.3A Withdrawn CN117006411A (en) | 2023-08-10 | 2023-08-10 | Natural gas storage tank leakage alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117006411A (en) |
-
2023
- 2023-08-10 CN CN202311004588.3A patent/CN117006411A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231107 |