CN220488446U - Automatic gas regulating device for natural gas pipeline - Google Patents
Automatic gas regulating device for natural gas pipeline Download PDFInfo
- Publication number
- CN220488446U CN220488446U CN202322071851.2U CN202322071851U CN220488446U CN 220488446 U CN220488446 U CN 220488446U CN 202322071851 U CN202322071851 U CN 202322071851U CN 220488446 U CN220488446 U CN 220488446U
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- Prior art keywords
- gas
- automatic
- natural gas
- regulating device
- pipeline
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000007789 gas Substances 0.000 title claims abstract description 84
- 239000003345 natural gas Substances 0.000 title claims abstract description 45
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 34
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- 238000010790 dilution Methods 0.000 claims description 28
- 239000012895 dilution Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003085 diluting agent Substances 0.000 abstract 4
- 238000001514 detection method Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an automatic gas regulating device for a natural gas pipeline, which relates to the technical field of natural gas valves and aims to solve the technical problem that the gas control of the natural gas pipeline cannot be effectively performed in the prior art; the gas automatic regulating device comprises an automatic regulating device main body; the automatic adjusting device comprises an automatic adjusting device body, wherein an air inlet pipe is arranged on the outer side of the automatic adjusting device body, a supporting bracket is arranged at the upper end of the air inlet pipe, a diluent gas compression device is arranged at the upper end of the supporting bracket, a diluent gas pipe is arranged on the outer side of the diluent gas compression device, a locking valve is arranged in the diluent gas pipe, and a gas concentration sensor is arranged at the upper end of the locking valve; this gaseous automatic regulating apparatus is connected automatic regulating apparatus and pipeline, when temperature sensor sensed the condition of a fire, triggers temperature sensor to the device is inside dilutes remaining natural gas in the pipeline, and effectual controls natural gas pipeline makes it reduce the condition of a fire, blocks the technical problem of natural gas circulation.
Description
Technical Field
The utility model belongs to the technical field of natural gas valves, and particularly relates to an automatic gas regulating device for a natural gas pipeline.
Background
Natural gas is an important energy source and is widely applied to the fields of coal gas, heating, industrial production, power generation and the like, however, in the natural gas conveying process, due to the difference of the length, pressure change and gas quality of a pipeline, the fluctuation of the gas flow in the pipeline possibly causes the over-high or over-low pressure of the pipeline, so that the normal operation and safety of equipment are affected, and an automatic gas regulating device is widely applied to the natural gas pipeline, and can automatically regulate the opening of an air valve according to the gas flow change of the pipeline, so that the gas flow in the pipeline is kept constant, and when the gas flow is overlarge, the device can automatically reduce the opening of a valve and reduce the pressure of the pipeline; when the gas flow is too small, the device can automatically increase the opening of the valve, improve the pipeline pressure, effectively keep the stability of the gas flow in the pipeline by the automatic regulation mode, and ensure the normal operation and the safety of the equipment.
At present, the utility model patent with the patent number of CN202320121406.X discloses a safety valve for a natural gas pipeline, wherein connecting pipes are fixedly connected to two ends of the valve, a pressure release detection mechanism is fixedly connected to the upper end of the valve, a driving mechanism is fixedly connected to the upper end of the pressure release detection mechanism, and an alarm mechanism is fixedly connected to the upper end of the driving mechanism; the valve comprises a valve body, wherein a ball valve core is clamped in the valve body; the pressure release detection mechanism comprises a fixed shell, wherein the lower end of the inner side wall of the fixed shell is fixedly connected with a limiting ring, the upper end of the limiting ring is provided with a detection membrane disc, the upper end of the detection membrane disc is provided with a detection spring, the upper end of the inside of the fixed shell is fixedly provided with a limiting fixing seat, natural gas pipeline leakage can be effectively detected, the use safety is improved, and an alarm can be given to a user so as to be convenient for quick maintenance treatment; however, when the device is used, the natural air port is in dangerous situations, such as combustion situations of the natural air port, the natural air port cannot be effectively treated, and tempering is caused easily due to improper treatment, so that the problem of serious potential safety hazard easily occurs.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide an automatic natural gas pipeline gas regulating device which aims at solving the technical problem that the natural gas pipeline cannot be effectively controlled by gas in the prior art.
(2) Technical proposal
In order to solve the technical problems, the utility model provides an automatic natural gas pipeline gas regulating device, which comprises an automatic regulating device main body; the automatic adjusting device is characterized in that an air inlet pipe is arranged on the outer side of the automatic adjusting device main body, a supporting bracket is arranged at the upper end of the air inlet pipe, a dilution gas compression device is arranged at the upper end of the supporting bracket, a dilution gas pipe is arranged on the outer side of the dilution gas compression device, a locking valve is arranged in the dilution gas pipe, and a gas concentration sensor is arranged at the upper end of the locking valve.
When the automatic natural gas pipeline gas regulating device of the technical scheme is used, when a temperature sensor senses a fire condition, a natural gas main switch is closed, a locking valve is opened, a dilution gas compression device releases dilution gas into a dilution gas pipe, the dilution gas is led into an air inlet pipe through the dilution gas pipe to dilute residual natural gas in the air inlet pipe, so that the concentration of combustion explosion cannot be achieved, gas in a pipeline is detected through a gas concentration sensor at the upper end of the locking valve, and the locking valve is controlled to be closed when the proper concentration is achieved, so that the natural gas pipeline is effectively controlled when a fire disaster occurs, the fire condition is reduced, and the technical problem of natural gas circulation is blocked.
Further, the other end of the air inlet pipe is provided with a flange, a rubber sealing ring is arranged in the flange, and the natural gas pipeline is connected with the automatic adjusting device main body through the flange.
Further, the upper end of the automatic regulating device main body is provided with a mounting base, a supporting block is arranged in the mounting base, and equipment on the mounting base is supported through the supporting block.
Further, the lower extreme of supporting shoe is provided with the hydraulic stem, the lower extreme of hydraulic stem is provided with the piston, the upper end of supporting shoe is provided with the hydraulic pump, the hydraulic pump with hydraulic stem electric connection drives the piston through hydraulic pump control hydraulic stem and reciprocates.
Further, the upper end of supporting shoe is provided with the protective housing, the surface of protective housing is provided with observation window, protects spare parts such as hydraulic pump through the protective housing.
Further, the outside of automatic regulating apparatus main part is provided with the outlet duct, the upper end of outlet duct is provided with temperature sensor, detects the end of giving vent to anger through temperature sensor, prevents the condition of a fire.
Further, the lower extreme of outlet duct is provided with the installing support, the lower extreme of installing support is provided with liquid nitrogen compression device, the upper end of installing support is provided with the liquid nitrogen spout, the liquid nitrogen spout is in the inside of outlet duct, cools down the cooling through the liquid nitrogen spout to the pipeline air outlet.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the automatic natural gas pipeline gas regulating device, when a temperature sensor at the upper end of the gas outlet pipe senses a fire condition, the natural gas main switch is closed, the locking valve is opened, the dilution gas compression device releases dilution gas into the dilution gas pipe, the dilution gas is led into the gas inlet pipe through the dilution gas pipe to dilute the residual natural gas in the gas inlet pipe, so that the concentration of combustion explosion cannot be achieved, the gas in the pipeline is detected through the gas concentration sensor at the upper end of the locking valve, and when the proper concentration is achieved, the locking valve is controlled to be closed, so that when a fire disaster occurs, the natural gas pipeline is effectively controlled, the fire condition is reduced, and the technical problem of natural gas circulation is blocked;
2. the automatic natural gas pipeline gas regulating device monitors the temperature of the pipe orifice by using the temperature sensor at the upper end of the gas outlet pipe, and when the temperature exceeds a threshold value, the liquid nitrogen compressing device is opened to discharge the pipe orifice through the liquid nitrogen nozzle, so that the technical problem of effectively controlling the box to extinguish the fire source when the fire occurs is solved.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure according to an embodiment of the present utility model.
Fig. 2 is a schematic side view of an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a front view of an embodiment of the present utility model.
Fig. 4 is a schematic view of a cross-section of an embodiment of the present utility model.
The marks in the drawings are: 1. an automatic adjustment device main body; 2. an air inlet pipe; 3. diluting the air pipe; 4. locking the valve; 5. a dilution gas compression device; 6. a support bracket; 7. a flange; 8. a gas concentration sensor; 9. a protective shell; 10. a mounting base; 11. an air outlet pipe; 12. a temperature sensor; 13. a mounting bracket; 14. a liquid nitrogen compression device; 15. a hydraulic pump; 16. a hydraulic rod; 17. a piston; 18. a liquid nitrogen nozzle; 19. a rubber seal ring; 20. a support block; 21. and a viewing window.
Detailed Description
The embodiment is a gas automatic regulating device for a natural gas pipeline, the three-dimensional structure of which is shown in fig. 1, the side view of which is shown in fig. 2, and the gas automatic regulating device comprises an automatic regulating device main body 1; the outside of automatic regulating apparatus main part 1 is provided with intake pipe (2), and the upper end of intake pipe 2 is provided with support frame 6, and the upper end of support frame 6 is provided with dilution gas compression device 5, and the outside of dilution gas compression device 5 is provided with dilution trachea 3, and the inside of dilution trachea 3 is provided with locking valve 4, and the upper end of locking valve 4 is provided with gas concentration inductor 8.
Wherein, the other end of intake pipe 2 is provided with flange 7, and flange 7's inside is provided with rubber sealing ring 19, is connected natural gas pipeline and self-regulating device main part 1 through flange 7, and self-regulating device main part 1's upper end is provided with installation base 10, and installation base 10's inside is provided with supporting shoe 20, supports the equipment on the installation base 10 through supporting shoe 20.
The embodiment is an automatic natural gas pipeline gas regulating device, the schematic diagram of the front view structure is shown in fig. 3, the schematic diagram of the cross-section structure is shown in fig. 4, the lower end of a supporting block 20 is provided with a hydraulic rod 16, the lower end of the hydraulic rod 16 is provided with a piston 17, the upper end of the supporting block 20 is provided with a hydraulic pump 15, the hydraulic pump 15 is electrically connected with the hydraulic rod 16, the hydraulic rod 16 is controlled by the hydraulic pump 15 to drive the piston 17 to move up and down, the upper end of the supporting block 20 is provided with a protective shell 9, the surface of the protective shell 9 is provided with an observation window 21, and parts such as the hydraulic pump 15 are protected by the protective shell 9.
Simultaneously, the outside of automatic regulating apparatus main part 1 is provided with outlet duct 11, and the upper end of outlet duct 11 is provided with temperature sensor 12, detects the end of giving vent to anger through temperature sensor 12, and the prevention condition of a fire is provided with installing support 13 to the lower extreme of outlet duct 11, and the lower extreme of installing support 13 is provided with liquid nitrogen compressor arrangement 14, and the upper end of installing support 13 is provided with liquid nitrogen spout 18, and liquid nitrogen spout 18 is in the inside of outlet duct 11, cools off the pipeline gas outlet through liquid nitrogen spout 18.
When the automatic natural gas pipeline gas regulating device of the technical scheme is used, when a temperature sensor 12 at the upper end of the gas outlet pipe 11 senses a fire, the natural gas main switch is closed, the locking valve 4 is opened, the dilution gas compressing device 5 releases dilution gas into the dilution gas pipe 3, the dilution gas is led into the gas inlet pipe 2 through the dilution gas pipe 3 to dilute residual natural gas in the gas inlet pipe 2, the concentration of combustion explosion cannot be achieved, the gas in the pipeline is detected through a gas concentration sensor 8 at the upper end of the locking valve 4, the locking valve 4 is controlled to be closed when the proper concentration is achieved, meanwhile, when the temperature sensor 12 at the upper end of the gas outlet pipe 11 monitors the temperature of the gas outlet pipe 11, the liquid nitrogen compressing device 14 is opened, and the gas outlet pipe 11 is discharged through a liquid nitrogen nozzle 18, so that the natural gas pipeline is effectively controlled when a fire disaster occurs, the fire condition is reduced, and the technical problem of natural gas circulation is blocked is solved.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (7)
1. An automatic natural gas pipeline gas regulating device comprises an automatic regulating device main body (1); the automatic adjusting device is characterized in that an air inlet pipe (2) is arranged on the outer side of the automatic adjusting device main body (1), a supporting bracket (6) is arranged at the upper end of the air inlet pipe (2), a dilution gas compression device (5) is arranged at the upper end of the supporting bracket (6), a dilution air pipe (3) is arranged on the outer side of the dilution gas compression device (5), a locking valve (4) is arranged in the dilution air pipe (3), and a gas concentration sensor (8) is arranged at the upper end of the locking valve (4).
2. The automatic natural gas pipeline gas regulating device according to claim 1, wherein a flange (7) is arranged at the other end of the gas inlet pipe (2), and a rubber sealing ring (19) is arranged inside the flange (7).
3. The automatic natural gas pipeline gas regulating device according to claim 1, wherein a mounting base (10) is arranged at the upper end of the automatic regulating device main body (1), and a supporting block (20) is arranged in the mounting base (10).
4. A natural gas pipeline gas automatic regulating apparatus according to claim 3, characterized in that the lower end of the supporting block (20) is provided with a hydraulic rod (16), the lower end of the hydraulic rod (16) is provided with a piston (17), the upper end of the supporting block (20) is provided with a hydraulic pump (15), and the hydraulic pump (15) is electrically connected with the hydraulic rod (16).
5. The automatic natural gas pipeline gas regulating device according to claim 4, wherein a protective shell (9) is arranged at the upper end of the supporting block (20), and an observation window (21) is arranged on the surface of the protective shell (9).
6. The automatic natural gas pipeline gas regulating device according to claim 1, wherein an air outlet pipe (11) is arranged on the outer side of the automatic regulating device main body (1), and a temperature sensor (12) is arranged at the upper end of the air outlet pipe (11).
7. The automatic natural gas pipeline gas regulating device according to claim 6, wherein a mounting bracket (13) is arranged at the lower end of the gas outlet pipe (11), a liquid nitrogen compression device (14) is arranged at the lower end of the mounting bracket (13), a liquid nitrogen nozzle (18) is arranged at the upper end of the mounting bracket (13), and the liquid nitrogen nozzle (18) is arranged in the gas outlet pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071851.2U CN220488446U (en) | 2023-08-03 | 2023-08-03 | Automatic gas regulating device for natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071851.2U CN220488446U (en) | 2023-08-03 | 2023-08-03 | Automatic gas regulating device for natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488446U true CN220488446U (en) | 2024-02-13 |
Family
ID=89831237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322071851.2U Active CN220488446U (en) | 2023-08-03 | 2023-08-03 | Automatic gas regulating device for natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488446U (en) |
-
2023
- 2023-08-03 CN CN202322071851.2U patent/CN220488446U/en active Active
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