EP1309818A1 - Verfahren und vorrichtung zum befüllen eines tanks mit erdgas - Google Patents
Verfahren und vorrichtung zum befüllen eines tanks mit erdgasInfo
- Publication number
- EP1309818A1 EP1309818A1 EP01965165A EP01965165A EP1309818A1 EP 1309818 A1 EP1309818 A1 EP 1309818A1 EP 01965165 A EP01965165 A EP 01965165A EP 01965165 A EP01965165 A EP 01965165A EP 1309818 A1 EP1309818 A1 EP 1309818A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- tank
- natural gas
- filling
- gas
- 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.)
- Granted
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000003345 natural gas Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005429 filling process Methods 0.000 claims abstract description 6
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000002950 deficient Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 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
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/002—Automated filling apparatus
- F17C5/007—Automated filling apparatus for individual gas tanks or containers, e.g. in vehicles
-
- 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
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- 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
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- 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
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
-
- 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
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0626—Pressure
Definitions
- the invention relates to a method for filling a tank with natural gas and a device for performing the method.
- Natural gas is used as a fuel in various areas of technology.
- the natural gas is usually stored in natural gas tanks under high pressure and made available to the consumer. Natural gas has also recently been used to operate motor vehicles.
- Corresponding motor vehicles are equipped with natural gas tanks, the pressures of e.g. Withstand 200 bar.
- motor vehicles with liquid gas tanks are also in operation, which are designed for filling with liquid gas at significantly lower tank pressures. Since different systems for filling the liquid gas tanks are widespread at the liquid gas filling stations, it often happens that owners of motor vehicles with liquid gas tanks use adapters that also fit on natural gas dispensers. If motor vehicles equipped in this way are refueled at natural gas filling stations with natural gas under the high pressure customary for natural gas tanks, serious accidents can occur.
- the present invention is therefore based on the object of providing a method for filling a tank with natural gas and an apparatus for carrying out the method, with which such accidents can be avoided without major investment.
- this object is achieved in that the gas pressure in the tank is measured and, at a measured initial pressure P1, which is equal to or greater than a preselected limit pressure Px, which is in a pressure range from above the typical opening pressure PO of a safety valve provided in liquid gas tanks to maximum permissible maximum pressure of a liquid gas tank is set, the tank is filled to the final pressure P2 intended for natural gas tanks, while a hold phase is set at a measured initial pressure PT which is below the preselected limit pressure Px and when the gas pressure in the tank drops during this hold phase the filling is ended.
- the invention is based on the consideration that liquid gas tanks are equipped with a safety valve which opens at a certain opening pressure which is somewhat below the maximum permissible gas pressure.
- This opening pressure PO is usually approximately 10 to approximately 20 bar, in particular approximately 15 bar.
- an inadvertently refueled liquid gas tank can be recognized instead of a natural gas tank.
- This is achieved in that at an initial pressure of the tank of e.g. more than 20 bar a normal filling to the final pressure of the natural gas tank, e.g. 200 bar, takes place, while when determining an initial pressure under e.g. 20 bar the tank in a first step only on e.g. 20 bar is filled, and then a holding phase of about 10 to about 30 seconds, in particular about 20 seconds, is maintained. If the gas pressure drops in particular by more than approx. 1 bar, e.g.
- the safety valve is e.g. opened at an opening pressure of 15 bar, causing the holding pressure to drop in the holding phase.
- the end pressure provided for natural gas tanks is usually at least ten times the opening pressure of the safety valve of liquid gas tanks.
- a leaky natural gas tank can be sensibly detected with this filling technology.
- a warning signal is advantageously triggered, so that it can be immediately determined that the tank is incorrect or defective.
- the filling process is automated.
- the natural gas dispenser can be equipped with software that controls the filling process in the manner described.
- the invention can in principle be used for all conceivable natural gas tanks, it is intended in particular for filling natural gas tanks in motor vehicles.
- the invention further relates to a device for filling tanks with natural gas with a natural gas supply device and a connected natural gas dispensing device, which can be coupled to the tank.
- control device which, on the one hand, has a
- Pressure measuring device for determining the gas pressure in the tank and on the other hand is operatively connected to a natural gas shut-off device and has a time recording device.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10038545A DE10038545A1 (de) | 2000-08-03 | 2000-08-03 | Verfahren und Vorrichtung zum Befüllen eines Tanks mit Erdgas |
| DE10038545 | 2000-08-03 | ||
| PCT/EP2001/008982 WO2002012778A1 (de) | 2000-08-03 | 2001-08-02 | Verfahren und vorrichtung zum befüllen eines tanks mit erdgas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1309818A1 true EP1309818A1 (de) | 2003-05-14 |
| EP1309818B1 EP1309818B1 (de) | 2007-10-10 |
Family
ID=7651635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01965165A Expired - Lifetime EP1309818B1 (de) | 2000-08-03 | 2001-08-02 | Verfahren und vorrichtung zum befüllen eines tanks mit erdgas |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1309818B1 (de) |
| AT (1) | ATE375476T1 (de) |
| AU (1) | AU2001285866A1 (de) |
| DE (2) | DE10038545A1 (de) |
| ES (1) | ES2294023T3 (de) |
| WO (1) | WO2002012778A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3739950A1 (de) * | 1987-11-25 | 1989-06-08 | Rommenhoeller Kohlensaeure | Abfuellvorrichtung fuer gase in flaschen |
| US5360139A (en) * | 1993-01-22 | 1994-11-01 | Hydra Rig, Inc. | Liquified natural gas fueling facility |
| US5588472A (en) * | 1995-06-14 | 1996-12-31 | Morton International, Inc. | Method for combined gas fill and proof test of pressure vessels |
| US5810058A (en) * | 1996-03-20 | 1998-09-22 | Gas Research Institute | Automated process and system for dispensing compressed natural gas |
| DE19650999C1 (de) * | 1996-11-26 | 1998-06-04 | Mannesmann Ag | Verfahren zur Befüllung eines mobilen Gastanks und Zapfanlage |
| DE19653048A1 (de) * | 1996-12-19 | 1998-06-25 | Messer Griesheim Gmbh | Verfahren und Vorrichtung zum Überwachen der Befüllung eines Kryotanks |
| DE19708564A1 (de) * | 1997-03-04 | 1998-09-17 | Messer Griesheim Gmbh | Verfahren zur Kontrolle des Füllprozesses von Druckgasbehältern |
| DE19843669C1 (de) * | 1998-09-23 | 2000-03-16 | Hermann Josef Winter | Zapfanlage und Verfahren zum Befüllen eines Gastanks mit einem Arbeitsgas, insbesondere Erdgas |
-
2000
- 2000-08-03 DE DE10038545A patent/DE10038545A1/de not_active Withdrawn
-
2001
- 2001-08-02 AT AT01965165T patent/ATE375476T1/de not_active IP Right Cessation
- 2001-08-02 DE DE50113126T patent/DE50113126D1/de not_active Expired - Lifetime
- 2001-08-02 EP EP01965165A patent/EP1309818B1/de not_active Expired - Lifetime
- 2001-08-02 ES ES01965165T patent/ES2294023T3/es not_active Expired - Lifetime
- 2001-08-02 AU AU2001285866A patent/AU2001285866A1/en not_active Abandoned
- 2001-08-02 WO PCT/EP2001/008982 patent/WO2002012778A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0212778A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2294023T3 (es) | 2008-04-01 |
| WO2002012778A1 (de) | 2002-02-14 |
| EP1309818B1 (de) | 2007-10-10 |
| AU2001285866A1 (en) | 2002-02-18 |
| DE50113126D1 (de) | 2007-11-22 |
| ATE375476T1 (de) | 2007-10-15 |
| DE10038545A1 (de) | 2002-02-14 |
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