CN102305349B - High-pressure natural gas unloading device with self-locking function - Google Patents
High-pressure natural gas unloading device with self-locking function Download PDFInfo
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- CN102305349B CN102305349B CN 201110273764 CN201110273764A CN102305349B CN 102305349 B CN102305349 B CN 102305349B CN 201110273764 CN201110273764 CN 201110273764 CN 201110273764 A CN201110273764 A CN 201110273764A CN 102305349 B CN102305349 B CN 102305349B
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Abstract
The invention discloses a high-pressure natural gas unloading device with a self-locking function. The device comprises a gas unloading hose, a high-pressure gas-inlet pipe, a high-pressure gas-outlet pipe, a low-pressure gas-outlet pipe, a high-pressure control valve and a low-pressure control valve, wherein the two control valves of the high-pressure gas-outlet pipe and the low-pressure gas-outlet pipe are respectively provided with a high-pressure valve self-locking disc and a low-pressure valve self-locking disc, the two self-locking discs both are circular steel plates, and the edges of the two self-locking discs are respectively provided with a circular arc gap; the centre of the self-locking disc is provided with a square hole, and the square hole and a valve rod of the control valve are fixed together; the radial directions of the circular arc gaps of the two self-locking discs are mutually perpendicular; and when the valve rod of the control valve rod rotates, the circular arc gap of one self-locking disc is in sliding fit with the circular arc gap of the other self-locking disc. The device disclosed by the invention has the advantages that the device is simple in structure, low in cost, and safe and reliable in operation; and by using the device, the occurrence of an accident possibly caused by the misoperation of a high-pressure natural gas unloading column is avoided, therefore, the device is specially suitable to be used in large-flow natural gas pressure reducing stations such as large-scale gas corporations and urban retail stations and industrial parks with a gas application amount of more than five thousands cube per hour.
Description
(1) technical field
The present invention relates to natural-gas station house high pressure discharge column application apparatus, particularly a kind of high-pressure natural gas discharging device with auto-lock function.
(2) background technique
The large flow natural gas pressure-reducing station such as China's gas company, urban gate station and industrial park is equipped with high-pressure natural gas discharging device at present.High-pressure natural gas discharging device is typically provided with an Imported gas and two gas outlets, and two gas outlets are respectively a high-pressure natural gas outlet and a low pressure natural gas outlet.When unloading the device of air import when being high-pressure natural gas, need the high-pressure outlet valve open, the low tension outlet valve is closed condition, if this moment, because of operate miss the low tension outlet valve open, will cause serious destruction to the upstream device of low tension outlet, often become the hidden danger of safety in production.
(3) summary of the invention
The objective of the invention is for above-mentioned existing problems, a kind of high-pressure natural gas discharging device with auto-lock function is provided, this apparatus structure is simple, cost is low, safe and reliable to operation, the possibility of having removed the operate miss of high-pressure natural gas discharge column from.
Technological scheme of the present invention:
A kind of high-pressure natural gas discharging device with auto-lock function, comprise and unload the gas flexible pipe, high-pressure pipe, high pressure steam outlet pipe and low pressure steam outlet pipe, unloading gas flexible pipe and high-pressure pipe is tightly connected, high-pressure pipe is provided with pressure gauge, high pressure steam outlet pipe and low pressure steam outlet pipe are connected in parallel and are respectively equipped with high pressure control valve and low-pressure control valve, it is characterized in that: with high pressure steam outlet pipe two control valves fixing and high pressure steam outlet pipe and low pressure steam outlet pipe parallel with the low pressure steam outlet pipe be arranged on the high pressure steam outlet pipe same rectilinear direction vertical with low pressure steam outlet pipe parallel direction on, two control valves of high pressure steam outlet pipe and low pressure steam outlet pipe respectively the installation high-voltage valves from lock collar and low pressure valve from lock collar, two identical from the lock collar structure, be circular steel plate, be provided with arc gap in circular edges of plate, the diameter of breach circular arc is identical with the diameter of circular steel plate, the arc gap mid point is identical to the distance of the radius sum of the radial distance in the circular steel plate center of circle and circular steel plate and two control valve valve rods, two centers from lock collar are respectively equipped with the square hole that mates with the square part of control valve valve rod, two are enclosed within respectively the square of valve rod from lock collar and partly upward and by Stem Mut fix, the radial direction from the lock collar arc gap after fixing is consistent with the opening direction of control valve, two radial direction from the lock collar arc gap are orthogonal, when the control valve valve rod rotated, one was slidingly matched from the formation of lock collar cylindrical circular arc from lock collar breach circular arc and another.
Working procedure of the present invention:
This high-pressure natural gas discharging device is connected with the sled car by the quick inserting joint that unloads the gas flexible pipe, open one by one the cylinder valve on the sled car, when the pressure duct control valve is opened, low pressure valve just in time is stuck in high pressure valve on the external arc of lock collar from the arc gap on the lock collar, and the low pressure line valve was closed condition and formed self-locking this moment; When the pressure duct control valve was closed, two high pressure valve just in time was stuck in low pressure valve on the external arc of lock collar from the arc gap on the lock collar from lock collar difference 90-degree rotation, and the pressure duct valve was closed condition and formed self-locking this moment.
Advantage of the present invention is: this apparatus structure is simple, cost is low, safe and reliable to operation, avoid the accident that may cause because of the operate miss of high-pressure natural gas discharge column, be specially adapted to the door station in large flow natural gas pressure-reducing station such as large-scale gas company, city and gas consumption in the per hour uses such as industrial park more than 5,000 cubes.
(4) description of drawings
Accompanying drawing is the high-pressure natural gas discharging device schematic diagram with auto-lock function.
Among the figure: 1. unload gas flexible pipe 2. high-pressure pipes 3. high pressure steam outlet pipes 4. low pressure steam outlet pipes 5. pressure gauges 6. high pressure control valves 7. low-pressure control valves 8. high pressure valves from lock collar 9. low pressure valves from lock collar
(5) embodiment
Embodiment:
A kind of high-pressure natural gas discharging device with auto-lock function, comprise and unload gas flexible pipe 1, high-pressure pipe 2, high pressure steam outlet pipe 3 and low pressure steam outlet pipe 4, unloading gas flexible pipe 1 is tightly connected with high-pressure pipe 2, high-pressure pipe 2 is provided with pressure gauge 5, high pressure steam outlet pipe 3 and low pressure steam outlet pipe 4 are connected in parallel and are respectively equipped with high pressure control valve 6 and low-pressure control valve 7, it is characterized in that: with two control valves 6 of parallel fixing and high pressure steam outlet pipe 3 and low pressure steam outlet pipe 4 of high pressure steam outlet pipe 3 and low pressure steam outlet pipe 4,7 be arranged on the high pressure steam outlet pipe 3 same rectilinear direction vertical with low pressure steam outlet pipe 4 parallel directions on, two control valves 6 at high pressure steam outlet pipe 3 and low pressure steam outlet pipe 4, on 7 respectively the installation high-voltage valve from lock collar 8 and low pressure valve from lock collar 9, two from lock collar 8,9 structures are identical, be circular steel plate, be provided with arc gap in circular edges of plate, the diameter of breach circular arc is identical with the diameter of circular steel plate, the arc gap mid point is to the radial distance in the circular steel plate center of circle and radius sum and two control valves 6 of circular steel plate, the distance of 7 valve rods is identical, two from lock collar 8,9 center is respectively equipped with and control valve 6, the square hole of the square part coupling of 7 valve rods, two from lock collar 8, the 9 square parts that are enclosed within respectively valve rod upward and by Stem Mut are fixed, after fixing from lock collar 8, the radial direction of 9 arc gaps is consistent with the opening direction of control valve, two from lock collar 8, the radial direction of 9 arc gaps is orthogonal, control valve 6, when 7 valve rods rotated, one was slidingly matched from the formation of lock collar 9 cylindrical circular arcs from lock collar 8 breach circular arcs and another.
Among this embodiment, the diameter of two circular steel plate self-locking dishes is that 200 millimeters, thickness are 5 millimeters, the diameter of breach circular arc also is 200 millimeters, the arc gap mid point is 50 millimeters to the radial distance in the circular steel plate center of circle, the distance of two control valve valve rods is 150 millimeters, and the square hole of two self-locking disk center is 15 * 15 millimeters in order to be complementary with the valve rod of selected valve; The model of high pressure control valve and low-pressure control valve is ANSI B1.20.1 NPT, and Italian STAUFF produces; Unloading the gas flexible pipe, to adopt U.S. PARKER production, model be SER ES 1 " product; Pressure gauge is domestic Kodak Y100-40MPA product; Connecting pipeline is Stainless Steel Tube, and diameter is that 34 millimeters, wall thickness are 4 millimeters.The high-pressure pipe of this high-pressure natural gas discharging device, high pressure steam outlet pipe, low pressure steam outlet pipe, high pressure control valve and low-pressure control valve all are fixed on all and are fixed on the U-steel frame.
Practical application proves: the auto-lock function of this high-pressure natural gas discharging device is fully reliable, and using effect is good.
Claims (1)
1. high-pressure natural gas discharging device with auto-lock function, comprise and unload the gas flexible pipe, high-pressure pipe, high pressure steam outlet pipe and low pressure steam outlet pipe, unloading gas flexible pipe and high-pressure pipe is tightly connected, high-pressure pipe is provided with pressure gauge, high pressure steam outlet pipe and low pressure steam outlet pipe are connected in parallel, high-pressure pipe is provided with a high pressure control valve, the low pressure steam outlet pipe is provided with a low-pressure control valve, it is characterized in that: with high pressure steam outlet pipe two control valves fixing and high pressure steam outlet pipe and low pressure steam outlet pipe parallel with the low pressure steam outlet pipe be arranged on the high pressure steam outlet pipe same rectilinear direction vertical with low pressure steam outlet pipe parallel direction on, two control valves of high pressure steam outlet pipe and low pressure steam outlet pipe respectively the installation high-voltage valves from lock collar and low pressure valve from lock collar, two identical from the lock collar structure, be circular steel plate, be provided with arc gap in circular edges of plate, the diameter of breach circular arc is identical with the diameter of circular steel plate, the arc gap mid point equals the distance of two control valve valve rods to the radius sum of the radial distance in the circular steel plate center of circle and circular steel plate, two centers from lock collar are respectively equipped with the square hole that mates with the square part of control valve valve rod, two are enclosed within respectively the square of valve rod from lock collar and partly upward and by Stem Mut fix, the radial direction from the lock collar arc gap after fixing is consistent with the opening direction of control valve, two radial direction from the lock collar arc gap are orthogonal, when the control valve valve rod rotated, one was slidingly matched from the formation of lock collar cylindrical circular arc from lock collar breach circular arc and another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110273764 CN102305349B (en) | 2011-09-16 | 2011-09-16 | High-pressure natural gas unloading device with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110273764 CN102305349B (en) | 2011-09-16 | 2011-09-16 | High-pressure natural gas unloading device with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102305349A CN102305349A (en) | 2012-01-04 |
| CN102305349B true CN102305349B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110273764 Expired - Fee Related CN102305349B (en) | 2011-09-16 | 2011-09-16 | High-pressure natural gas unloading device with self-locking function |
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| CN (1) | CN102305349B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6326500A (en) * | 1986-07-18 | 1988-02-04 | Fujitsu Ltd | Automatic changeover device for compressed gas vessel system |
| CA2035682C (en) * | 1990-06-15 | 1996-12-17 | Mark J. Pelkey | Safety device and method |
| CN2467870Y (en) * | 2001-03-14 | 2001-12-26 | 史洲 | Self-locking seal for liquefied gas cylinder |
| CN2593029Y (en) * | 2002-12-10 | 2003-12-17 | 北京晨光维中能源技术有限责任公司 | High-pressure gas multiple-pressure stepped output apparatus |
| JP2005240863A (en) * | 2004-02-25 | 2005-09-08 | Jfe Engineering Kk | High pressure gas decompression facilities |
| CN202252842U (en) * | 2011-09-16 | 2012-05-30 | 天津华迈燃气装备股份有限公司 | High-pressure natural gas discharging device with self-locking function |
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2011
- 2011-09-16 CN CN 201110273764 patent/CN102305349B/en not_active Expired - Fee Related
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| CN102305349A (en) | 2012-01-04 |
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Granted publication date: 20130109 Termination date: 20150916 |
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