CN202040543U - Self-pressurizing device with emergency pipeline for natural gas high-pressure regulator - Google Patents
Self-pressurizing device with emergency pipeline for natural gas high-pressure regulator Download PDFInfo
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- CN202040543U CN202040543U CN 201120082184 CN201120082184U CN202040543U CN 202040543 U CN202040543 U CN 202040543U CN 201120082184 CN201120082184 CN 201120082184 CN 201120082184 U CN201120082184 U CN 201120082184U CN 202040543 U CN202040543 U CN 202040543U
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Abstract
A self-pressurizing device with an emergency pipeline for a natural gas high-pressure regulator comprises a natural gas supplying pipeline and a self-pressurizing pipeline, wherein the natural gas supplying pipeline comprises a natural gas inlet, an inlet valve, a heat exchanger, a filter, a pneumatic stop valve, a primary pneumatic pressure regulating valve, a secondary pressure regulating valve, a reducer joint, an outlet valve and a natural gas outlet, and the self-pressurizing pipeline comprises a self-pressurizing inlet valve, a self-pressurizing pressure regulating valve and a self-pressurizing outlet valve. An outlet pipeline of the self-pressurizing outlet valve is respectively communicated with the pneumatic stop valve and a pneumatic control portion of the primary pneumatic pressure regulating valve, the emergency pipeline is connected between a pipeline of the outlet valve and the natural gas outlet and the outlet pipeline of the self-pressurizing outlet valve, and a self-pressurizing emergency valve is arranged on the emergency valve. The self-pressurizing device with the emergency pipeline for the natural gas high-pressure regulator has the advantages that the self-pressurizing device is simple in structure, easy to carry out, convenient in maintenance, safe, reliable and capable of guaranteeing normal gas supplying of the system and being widely applied to stations of large-scale gas corporations and cities and station buildings of industrial parks and residential quarters.
Description
(1) technical field
The utility model relates to rock gas station voltage adjusting device, particularly a kind of rock gas high-voltage regulator self-pressure device that is provided with emergency line.
(2) background technique
Big flow rock gas high-voltage regulator utilizes external source of the gas or the instrument wind work source of the gas as high-voltage regulator usually, when external source of the gas and instrument wind normally during air feed high-voltage regulator can't work, cause the Natural gas letdown station room can't be to the outside ductwork air feed.Therefore we have developed a kind of rock gas high-voltage regulator self-pressure device, and this device does not need to rely on any external source of the gas and instrument wind can finish pressure regulation work, obtains good result.But still have deficiency in actual use, when promptly the self-pressure pressure governor broke down in use for some time, equipment just can't normally move, and need quit work to carry out maintain and replace again, brought influence to ordinary production.
(3) model utility content
The purpose of this utility model is at above-mentioned existing problems, and a kind of rock gas high-voltage regulator self-pressure device that is provided with emergency line is provided, and this apparatus structure is simple, easy to implement, easy to maintenance, can guarantee the normal operation of system's air feed and safe and reliable.
The technical solution of the utility model:
A kind of rock gas high-voltage regulator self-pressure device that is provided with emergency line, comprise natural gas supply pipeline and self-pressure pipeline, the natural gas supply pipeline comprises the rock gas import, inlet valve, heat exchanger, filter, pneumatic cut-off valve, the one-level air vent valve, the secondary pressure regulator valve, reducer union, outlet valve and gas outlet are also connected by pipeline, the natural gas supply pipeline is entering heat exchanger respectively for twice and is passing through the coil pipe heat exchange between inlet valve and the filter and between one-level air vent valve and the secondary pressure regulator valve, the self-pressure pipeline comprises the self-pressure inlet valve, self-pressure pressure regulator valve and self-pressure outlet valve are also connected by pipeline, the rock gas import of the inlet pipeline of self-pressure inlet valve and natural gas supply system and the pipeline between the inlet valve are connected, the outlet conduit of self-pressure outlet valve is partly connected with the pneumatic control of the pneumatic cut-off valve of natural gas supply system and one-level air vent valve respectively and as pneumatic source, it is characterized in that: connecting between the self-pressure outlet valve outlet conduit of the outlet valve of natural gas supply pipeline and pipeline between the gas outlet and self-pressure pipeline has emergency line, emergency line to be provided with the self-pressure emergency valve.
Working principle of the present utility model:
This device is when normal operation, and the self-pressure emergency valve of emergency line is in closed condition, and the pneumatic control part of the pneumatic cut-off valve of natural gas supply system and one-level air vent valve is respectively with the outlet conduit connection of self-pressure outlet valve and as pneumatic source.When the self-pressure pressure regulator valve of self-pressure pipeline breaks down, close self-pressure inlet valve and self-pressure outlet valve and open the self-pressure emergency valve simultaneously, the pneumatic control part that makes the pneumatic cut-off valve of natural gas supply system and one-level air vent valve respectively and the pipeline between outlet valve and the gas outlet connect, the system air feed of making is normally operation still.Can carry out maintain and replace this moment at the normal self-pressure pressure regulator valve to the self-pressure pipeline in service of system's air feed, recovers the original system operation after pending fault is finished dealing with again.
The pressure range that this self-pressure device is suitable for is: inlet pressure (4.0-20) MPa; Outlet pressure (0.2-0.6) MPa.
The utility model has the advantages that: this apparatus structure is simple, easy to implement, easy to maintenance, can guarantee the normal operation of system's air feed and safe and reliable, can be widely used in door station, industrial park station and the residential quarter station in large-scale gas company, city.
(4) description of drawings
Accompanying drawing is this device schematic flow sheet.
Among the figure: 1. rock gas import 2. inlet valves 3. heat exchangers 4. filters 5. pneumatic cut-off valves 6. one-level air vent valves 7. secondary pressure regulator valves 8. reducer unions 9. outlet valves 10. gas outlets 11. self-pressure inlet valves 12. self-pressure pressure regulator valves 13. self-pressure outlet valves 14. emergency lines 15. self-pressure emergency valves
(5) embodiment
Embodiment:
A kind of rock gas high-voltage regulator self-pressure device that is provided with emergency line, comprise natural gas supply pipeline and self-pressure pipeline, the natural gas supply pipeline comprises rock gas import 1, inlet valve 2, heat exchanger 3, filter 4, pneumatic cut-off valve 5, one-level air vent valve 6, secondary pressure regulator valve 7, reducer union 8, outlet valve 9 and gas outlet 10 are also connected by pipeline, the natural gas supply pipeline is entering heat exchanger 3 respectively for twice and is passing through the coil pipe heat exchange between inlet valve 2 and the filter 4 and between one-level air vent valve 6 and the secondary pressure regulator valve 7, the self-pressure pipeline comprises self-pressure inlet valve 11, self-pressure pressure regulator valve 12 and self-pressure outlet valve 13 are also connected by pipeline, the rock gas import 1 of the inlet pipeline of self-pressure inlet valve 11 and natural gas supply system and the pipeline between the inlet valve 2 are connected, the outlet conduit of self-pressure outlet valve 13 is partly connected with the pneumatic control of the pneumatic cut-off valve 5 of natural gas supply system and one-level air vent valve 6 respectively and as pneumatic source, connecting between self-pressure outlet valve 13 outlet conduits of the outlet valve 9 of natural gas supply pipeline and pipeline between the gas outlet 10 and self-pressure pipeline has emergency line 14, and emergency line 14 is provided with self-pressure emergency valve 15.
Among this embodiment, the pressure regulation pipeline adopts 20# pipe, specification Φ 35mm*6mm; Pipeline before the self-pressure outlet valve adopts 20# pipe, specification Φ 22mm*3mm, and the pipeline after the self-pressure outlet valve adopts copper pipe, and specification is: Φ 8mm*1mm, inlet/outlet valve are German MHA production, and model is BKH-DN25-PN315; The self-pressure pressure regulator valve adopts U.S. ROGGE production, and model is YQYG-754; The model of the high-pressure ball valve of gas pipeline is BKH-DN25-PN315, and the model of self-pressure emergency valve is SZA-600-1/2 " NPT; The one-level air vent valve of gas pipeline adopts U.S. KIMRAY production, and model is E1HPPR-1/2EP-30; What pneumatic cut-off valve adopted is German MHA production, and model is BKH-PQ-DN25-PN315.Practice shows that effect is good.
Claims (1)
1. rock gas high-voltage regulator self-pressure device that is provided with emergency line, comprise natural gas supply pipeline and self-pressure pipeline, the natural gas supply pipeline comprises the rock gas import, inlet valve, heat exchanger, filter, pneumatic cut-off valve, the one-level air vent valve, the secondary pressure regulator valve, reducer union, outlet valve and gas outlet are also connected by pipeline, the natural gas supply pipeline is entering heat exchanger respectively for twice and is passing through the coil pipe heat exchange between inlet valve and the filter and between one-level air vent valve and the secondary pressure regulator valve, the self-pressure pipeline comprises the self-pressure inlet valve, self-pressure pressure regulator valve and self-pressure outlet valve are also connected by pipeline, the rock gas import of the inlet pipeline of self-pressure inlet valve and natural gas supply system and the pipeline between the inlet valve are connected, the outlet conduit of self-pressure outlet valve is partly connected with the pneumatic control of the pneumatic cut-off valve of natural gas supply system and one-level air vent valve respectively and as pneumatic source, it is characterized in that: connecting between the self-pressure outlet valve outlet conduit of the outlet valve of natural gas supply pipeline and pipeline between the gas outlet and self-pressure pipeline has emergency line, emergency line to be provided with the self-pressure emergency valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120082184 CN202040543U (en) | 2011-03-25 | 2011-03-25 | Self-pressurizing device with emergency pipeline for natural gas high-pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120082184 CN202040543U (en) | 2011-03-25 | 2011-03-25 | Self-pressurizing device with emergency pipeline for natural gas high-pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040543U true CN202040543U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120082184 Expired - Lifetime CN202040543U (en) | 2011-03-25 | 2011-03-25 | Self-pressurizing device with emergency pipeline for natural gas high-pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202040543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155623A (en) * | 2011-03-25 | 2011-08-17 | 天津华迈燃气装备股份有限公司 | Self-pressure sampling device of natural gas high-voltage regulator with emergency pipeline |
| CN102705708A (en) * | 2012-06-19 | 2012-10-03 | 无锡宇吉科技有限公司 | Natural gas main pipe system |
-
2011
- 2011-03-25 CN CN 201120082184 patent/CN202040543U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155623A (en) * | 2011-03-25 | 2011-08-17 | 天津华迈燃气装备股份有限公司 | Self-pressure sampling device of natural gas high-voltage regulator with emergency pipeline |
| CN102155623B (en) * | 2011-03-25 | 2013-08-28 | 天津华迈燃气装备股份有限公司 | Self-pressure sampling device of natural gas high-voltage regulator with emergency pipeline |
| CN102705708A (en) * | 2012-06-19 | 2012-10-03 | 无锡宇吉科技有限公司 | Natural gas main pipe system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111116 Effective date of abandoning: 20130828 |
|
| RGAV | Abandon patent right to avoid regrant |