EP2275731A1 - Vidange de bouteilles de gaz de pétrole liquéfié - Google Patents
Vidange de bouteilles de gaz de pétrole liquéfié Download PDFInfo
- Publication number
- EP2275731A1 EP2275731A1 EP10290321A EP10290321A EP2275731A1 EP 2275731 A1 EP2275731 A1 EP 2275731A1 EP 10290321 A EP10290321 A EP 10290321A EP 10290321 A EP10290321 A EP 10290321A EP 2275731 A1 EP2275731 A1 EP 2275731A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bottle
- liquefied petroleum
- bottles
- gas
- inert 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
- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 19
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001273 butane Substances 0.000 claims abstract description 13
- 239000011261 inert gas Substances 0.000 claims abstract description 13
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims abstract description 13
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001294 propane Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 239000012267 brine Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 241000287107 Passer Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
Classifications
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- 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
- F17C5/005—Automated filling apparatus for gas bottles, such as on a continuous belt or on a merry-go-round
-
- 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
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, 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
- F17C2223/01—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
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/046—Localisation of the removal point in the liquid
- F17C2223/047—Localisation of the removal point in the liquid with a dip tube
-
- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0146—Two-phase
- F17C2225/0153—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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
- F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0369—Localisation of heat exchange in or on a vessel
- F17C2227/0376—Localisation of heat exchange in or on a vessel in wall contact
- F17C2227/0383—Localisation of heat exchange in or on a vessel in wall contact outside the vessel
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/044—Methods for emptying or filling by purging
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/015—Facilitating maintenance
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/044—Avoiding pollution or contamination
-
- 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
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
- F17C2270/059—Mass bottling, e.g. merry belts
-
- 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
- F17C2270/00—Applications
- F17C2270/07—Applications for household use
- F17C2270/0745—Gas bottles
Definitions
- the liquefied petroleum gas industry uses a large number of portable tanks for the distribution of these gases; during the life of these packages, it is necessary to remove the valve or the valve equipping them for operations such as periodic retest, dent removal, defective valve change.
- the present invention is directed to a method and an installation for emptying liquefied petroleum gas cylinders, suppressing any emission of liquefied petroleum gas into the atmosphere by allowing recovery or reuse of the liquefied petroleum gas which has been removed bottles.
- nitrogen and carbon dioxide can be used in particular.
- the pressure of the inert gas is, in general, between 1.5 and 3 bar although higher pressures can be used.
- the bottle of liquefied petroleum gas can be cooled to be emptied in any suitable manner.
- a convenient way is to immerse in a bath of a liquid at low temperature and leave it there for a bottle with a capacity of 13 Kg for a period of between 5 and 10 min.
- the bottle Once the bottle emptied of liquefied petroleum gas and filled with inert gas, it can either store it or make it undergo various operations before filling it again.
- the withdrawn gas can be sent directly to the annealing furnace of the liquefied petroleum gas bottles with, in this case, preferably the interposition of an anti-flame device.
- Liquefied petroleum gas can also be sent to a tank.
- the conveyor is a roller conveyor, inclined by 1 to 5 degrees from the cooling station to the discharge station, so that the bottles in side-by-side contact go down along the inclined plane while remaining the time. necessary in the tank, the descent being carried out step by step because the bottle the most downstream is out of the tank.
- the conveyor does not need drive means at a low temperature. But the conveyor can be as horizontal and pushes the bottles after the bottle downstream has been removed from the tank
- magnets are placed in the conveyor or under the conveyor in the tank, to overcome the hydrostatic pressure and to keep the bottles on the conveyor.
- the installation can be according to claim 5.
- the installation comprises an insulated tank 1 comprising an inlet 2 of brine at -10 ° C. and an outlet 3 of this same fluid which, conveyed by a pump 4, passes into a refrigeration unit with heat exchange to return to the tank 1 through the inlet 2.
- roller conveyor 4 inclined by 3 ° from the portion to the inlet 2 to the portion to the outlet 3.
- bottles B butane gas at 20 ° C under a relative pressure of 2 bar.
- the first bottle B at the entrance is placed at the top in the bath, it will move from right to left in the drawing until below a position 6 of unscrewing the tap of the bottle B, the travel time of the bottle on the conveyor 4 until it comes below the station 6 is 6 min.
- the valve unscrewing station 6 the bottle B is sufficiently cooled so that the remaining butane gas is at a temperature of -8 ° C while being in liquid form at atmospheric pressure.
- the valve of the bottle B is unscrewed at the position 6 of unscrewing.
- the bottle B is open, butane does not come out, since it is in liquid form.
- the bottle B then passes under a delivery station 7 comprising a device sealingly applied to the neck 8 of the bottle and having an orifice 9 communicating with a source 11 of nitrogen at a pressure of 1.5 bar and a rod 11 to the bottom 12 of the bottle and communicating with a use 13 of gas.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vacuum Packaging (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
- L'industrie des gaz de pétrole liquéfiés utilise un grand nombre de réservoirs portatifs pour la distribution de ces gaz ; au cours de la vie de ces emballages, il est nécessaire de retirer le robinet ou la valve les équipant pour des opérations telles que réépreuve périodique, débosselage, changement de robinets défectueux.
- Au
EP 1 813 855 on décrit une cuve remplie d'azote liquide et un convoyeur de bouteilles. - En règle générale, il est très difficile de vider complètement les réservoirs, car, d'une parut, la vaporisation des gaz liquéfiés se fait lentement et, d'autre part, il subsiste toujours des produits lourds qui continuent à dégazer, ce qui occasionne le rejet dans l'atmosphère de composés organiques volatils interdits par la réglementation et des dangers d'explosion. On a proposé des dispositifs faisant appel au "tirage au vide", mais ces derniers sont complexes et coûteux et peu adaptés à des cadences industrielles.
- La présente invention vise un procédé et une installation de vidange de bouteilles de gaz de pétrole liquéfié, supprimant toute émission de gaz de pétrole liquéfié dans l'atmosphère en permettant de récupérer ou de réutiliser le gaz de pétrole liquéfié que l'on a fait sortir des bouteilles.
- Le procédé suivant l'invention est caractérisé en ce que :
- on refroidit la bouteille de pétrole liquéfié entre -5 et -10°C, lorsqu'elle contient du butane, et entre -50 et -55°C, lorsqu'elle contient du propane, dans une cuve remplie d'un liquide refroidi
- on enlève le robinet de la bouteille refroidie,
- on adapte au col de la bouteille un dispositif étanche ayant un orifice d'injection de gaz inerte et une canne débouchant au bas de la bouteille de refoulement de gaz de pétrole liquéfié à l'extérieur,
- on injecte du gaz inerte sous pression en refoulant le gaz de pétrole liquéfié à l'extérieur par la canne,
- on retire le dispositif d'étanchéité de la bouteille.
- Comme gaz inerte sous pression, on peut utiliser notamment l'azote et le dioxyde de carbone. La pression du gaz inerte est, en général, comprise entre 1,5 et 3 bars bien que l'on puisse utiliser des pressions supérieures.
- On peut refroidir la bouteille de gaz de pétrole liquéfié à vider de toute façon appropriée. Une façon commode consiste à la plonger dans un bain d'un liquide à basse température et à l'y laisser pour une bouteille d'une capacité de 13 Kg pendant une durée comprise entre 5 et 10 min.
- Une fois la bouteille vidée du gaz de pétrole liquéfié et emplie du gaz inerte, on peut soit la stocker, soit lui faire subir diverses opérations avant de la remplir à nouveau.
- Le gaz prélevé peut être envoyé directement au four de recuit des bouteilles de gaz de pétrole liquéfié avec dans ce cas, de préférence, interposition d'un dispositif anti-flammes. On peut aussi envoyer le gaz de pétrole liquéfié dans un réservoir.
- L'invention vise aussi une installation de vidange de bouteilles de gaz de pétrole liquéfié, caractérisée en ce qu'elle comprend :
- une cuve remplie d'un liquide ayant un point de solidification inférieure à -20°C, lorsque les bouteilles de gaz contiennent du butane, et à -65°C, lorsqu'elles contiennent du propane,
- un dispositif de refroidissement du liquide contenu dans la cuve à une température de -5 à -10°C, lorsque les bouteilles contiennent du butane, et à une température de -55°C, lorsqu'elles contiennent du propane,
- un convoyeur de bouteilles dans la cuve faisant successivement passer les bouteilles à un poste de refroidissement pendant un temps suffisant pour que le gaz contenu dans les bouteilles prenne ladite température, à un poste de dévissage du robinet et à un poste de refoulement du gaz contenu dans la bouteille vers l'extérieur par du gaz inerte.
- De préférence, le convoyeur est un convoyeur à rouleaux, incliné de 1 à 5 degrés du poste de refroidissement au poste de refoulement, de sorte que les bouteilles en contact côte à côte descendent d'elles même le long du plan incliné en restant le temps nécessaire dans la cuve, la descente s'effectuant pas à pas parce que la bouteille la plus en aval est sortie de la cuve. Le convoyeur n'a pas besoin de moyens d'entraînement se trouvant à basse température. Mais le convoyeur peut être aussi horizontal et on y pousse les bouteilles après que la bouteille la plus en aval a été retirée de la cuve
- Suivant un mode de réalisation, on dispose des aimants dans le convoyeur ou sous le convoyeur dans la cuve, pour vaincre la pression hydrostatique et bien maintenir les bouteilles sur le convoyeur.
- L'installation peut être suivant la revendication 5.
- La figure unique du dessin annexé illustre schématiquement une installation suivant l'invention.
- L'installation comprend une cuve 1 calorifugée comprenant une entrée 2 d'eau glycolée à -10°C et une sortie 3 de ce même fluide qui, véhiculé par une pompe 4, passe dans un groupe 5 frigorifique avec échange de chaleur pour revenir à la cuve 1 par l'entrée 2.
- Au fond de la cuve 1 emplie d'eau glycolée est monté un convoyeur 4 à rouleaux incliné de 3° de la partie se trouvant vers l'entrée 2 à la partie se trouvant vers la sortie 3.
- Sur ce convoyeur 4, sont placées côte à côte et se touchant, bien que cela ne soit pas représenté au dessin par souci de clarté, des bouteilles B de gaz de butane à 20°C sous une pression relative de 2 bars. La première bouteille B à l'entrée est mise par le haut dans le bain, elle va se déplacer de droite à gauche au dessin jusqu'en dessous d'un poste 6 de dévissage du robinet de la bouteille B, la durée de trajet de la bouteille sur le convoyeur 4 jusqu'à ce qu'elle vienne en dessous du poste 6 est de 6 min. Lorsqu'elle arrive au poste 6 de dévissage du robinet, la bouteille B est suffisamment refroidie pour que le gaz butane qui y reste se trouve à une température de -8°C en étant sous forme liquide à la pression atmosphérique. Le robinet de la bouteille B est dévissé au poste 6 de dévissage. Bien que la bouteille B soit ouverte, du butane n'en sort pas, puisqu'il est sous forme liquide.
- La bouteille B passe ensuite sous un poste 7 de refoulement comprenant un dispositif appliqué de manière étanche au col 8 de la bouteille et ayant un orifice 9 communiquant avec une source 11 d'azote sous une pression de 1,5 bar et une canne 11 allant jusqu'au fond 12 de la bouteille et communiquant avec une utilisation 13 de gaz.
- Lorsque la bouteille B arrive contre la paroi de la cuve où se trouve la sortie 3, on la retire.
Claims (5)
- Procédé de vidange de bouteilles de gaz de pétrole liquéfié, caractérisé en ce que :- on refroidit la bouteille de pétrole liquéfié entre -5 et -10°C, lorsqu'elle contient du butane, et entre -50 et -55°C, lorsqu'elle contient du propane, dans une cuve remplie d'un liquide refroidi,- on enlève le robinet de la bouteille refroidie,- on adapte au col de la bouteille un dispositif étanche ayant un orifice d'injection de gaz inerte et une canne débouchant au bas de la bouteille de refoulement de gaz de pétrole liquéfié à l'extérieur par la canne,- on injecte du gaz inerte sous pression en refoulant le gaz de pétrole liquéfié à l'extérieur,- on retire le dispositif d'étanchéité de la bouteille.
- Procédé suivant la revendication 1, caractérisé en ce que le gaz inerte est de l'azote ou du dioxyde de carbone.
- Installation de vidange de bouteilles (B) de gaz de pétrole liquéfié, caractérisée en ce qu'elle comprend :- une cuve (1) remplie d'un liquide ayant un point de solidification inférieure à -20°C, lorsque les bouteilles de gaz contiennent du butane, et à -65°C, lorsqu'elles contiennent du propane,- un dispositif (2 à 5) de refroidissement du liquide contenu dans la cuve (1) à une température de -5 à -10°C, lorsque les bouteilles contiennent du butane, et à une température de -55°C, lorsqu'elles contiennent du propane,- un convoyeur (4) de bouteilles dans la cuve (1) faisant successivement passer les bouteilles (B) à un poste (6) de refroidissement pendant un temps suffisant pour que le gaz contenu dans les bouteilles (B) prenne ladite température, à un poste (6) de dévissage du robinet et à un poste (7) de refoulement du gaz contenu dans la bouteille (B) vers l'extérieur par du gaz inerte.
- Installation suivant la revendication 3, caractérisée en ce que le convoyeur est un convoyeur à un rouleau incliné du poste de refroidissement au poste de refoulement et les bouteilles se touchent sur le convoyeur.
- Installation suivant la revendication 3 ou 4, caractérisée en ce qu'elle comprend un dispositif étanche ayant un orifice d'injection de gaz inerte et une canne débouchant au bas de la bouteille au poste de refoulement.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0903523A FR2948168B1 (fr) | 2009-07-17 | 2009-07-17 | Vidange de bouteilles de gaz de petrole liquefie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2275731A1 true EP2275731A1 (fr) | 2011-01-19 |
EP2275731B1 EP2275731B1 (fr) | 2018-11-07 |
Family
ID=41605521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10290321.8A Not-in-force EP2275731B1 (fr) | 2009-07-17 | 2010-06-11 | Vidange de bouteilles de gaz de pétrole liquéfié |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2275731B1 (fr) |
FR (1) | FR2948168B1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034098A1 (fr) * | 1980-02-07 | 1981-08-19 | Elf Antargaz | Procédé de remplissage de bouteilles de gaz liquéfiés et installation pour sa mise en oeuvre |
FR2750689A1 (fr) * | 1996-07-05 | 1998-01-09 | Provencale D Automation Et De | Simplification aux installations de remplissage de bouteilles par du gpl |
EP1813855A1 (fr) | 2006-01-27 | 2007-08-01 | L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Procédé et dispositif de remplissage d'un réservoir sous haute pression avec un gaz liquéfié grâce à la pression hydrostatique |
WO2009063127A1 (fr) * | 2007-11-12 | 2009-05-22 | Wärtsilä Finland Oy | Procédé de fonctionnement d'un navire muni d'un groupe électrogène à gaz naturel liquéfié |
-
2009
- 2009-07-17 FR FR0903523A patent/FR2948168B1/fr not_active Expired - Fee Related
-
2010
- 2010-06-11 EP EP10290321.8A patent/EP2275731B1/fr not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034098A1 (fr) * | 1980-02-07 | 1981-08-19 | Elf Antargaz | Procédé de remplissage de bouteilles de gaz liquéfiés et installation pour sa mise en oeuvre |
FR2750689A1 (fr) * | 1996-07-05 | 1998-01-09 | Provencale D Automation Et De | Simplification aux installations de remplissage de bouteilles par du gpl |
EP1813855A1 (fr) | 2006-01-27 | 2007-08-01 | L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Procédé et dispositif de remplissage d'un réservoir sous haute pression avec un gaz liquéfié grâce à la pression hydrostatique |
WO2009063127A1 (fr) * | 2007-11-12 | 2009-05-22 | Wärtsilä Finland Oy | Procédé de fonctionnement d'un navire muni d'un groupe électrogène à gaz naturel liquéfié |
Also Published As
Publication number | Publication date |
---|---|
EP2275731B1 (fr) | 2018-11-07 |
FR2948168B1 (fr) | 2015-02-27 |
FR2948168A1 (fr) | 2011-01-21 |
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