EP3021034B1 - Fitting for liquefied gas bottles and filling method - Google Patents
Fitting for liquefied gas bottles and filling method Download PDFInfo
- Publication number
- EP3021034B1 EP3021034B1 EP14192891.1A EP14192891A EP3021034B1 EP 3021034 B1 EP3021034 B1 EP 3021034B1 EP 14192891 A EP14192891 A EP 14192891A EP 3021034 B1 EP3021034 B1 EP 3021034B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- opening
- fitting
- refilling
- valve
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 5
- 239000007788 liquid Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 20
- 239000007789 gas Substances 0.000 description 121
- 238000005070 sampling Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
- F17C13/04—Arrangement or mounting of valves
-
- 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
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- 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
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
-
- 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
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/058—Size portable (<30 l)
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0329—Valves manually actuated
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
- F17C2205/0385—Constructional details of valves, regulators in blocks or units
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure 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
- 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
- F17C2223/0146—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
- F17C2223/04—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
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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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/04—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by other properties of handled fluid after transfer
- F17C2225/042—Localisation of the filling point
- F17C2225/046—Localisation of the filling point in the liquid
- F17C2225/047—Localisation of the filling point in the liquid with a dip tube
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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
- 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
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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
- F17C2270/00—Applications
- F17C2270/07—Applications for household use
- F17C2270/0709—Camping gas
Definitions
- the invention relates to a fitting for LPG bottles and a method for refilling with LPG.
- a gas cylinder is usually a metal, regular steel, existing pressure vessel for the transport and storage of pressurized gases.
- Such a bottle may have a volume of more than 100 liters.
- the nominal pressure can be several hundred bar.
- LPG cylinders contain gases such as LPG in liquefied form. Common gases are ethane, propane, butane and mixtures thereof. These gases can be liquefied at room temperature by comparatively low pressure.
- the liquid gas content of such bottles is usually between 3 and 33 kg.
- the height of such liquid gas cylinders is usually between 420 mm and 1290 mm.
- the bottle diameter is typically between 200 mm and 318 mm.
- Liquefied gas cylinders are closed with a fitting to which, usually in conjunction with a pressure reducer, a suitable hose line for the controlled removal of their contents can be screwed. Furthermore, there is a safety valve for LPG cylinders in the sampling fitting, which limits the permissible overpressure in the bottle to, for example, about 30 bar in order to prevent bursting.
- a fitting of such a liquid gas cylinder has a lateral connecting piece as a gas tap, which is used on the one hand for filling and on the other hand for removal.
- gas tap lines are manually screwed both in the case of removal and in the case of refilling.
- the lateral connection piece is gas-conductively connected to an opening at the underside of the fitting when the gas tap is open. This bottom with the opening is located above the liquid level in the erected state of a liquefied gas cylinder. With a removal of gas, therefore, the gas is removed, which is located above the liquid level in the gaseous state.
- LPG cylinders are used to operate gas stoves, gas stoves, gas grills, gas stoves or gas radiators. Is the content of a liquefied gas cylinder consumed, LPG cylinders shall be returned by the consumer to the point of sale of LPG cylinders for refilling. After such a return of a liquefied gas cylinder it is transported from the point of sale to a central bottling plant or filling station.
- the publication FR 55 136 E discloses a fitting for a liquefied gas cylinder with a gas tap for a gas removal and an opening for refilling a LPG bottle.
- the opening for refilling a LPG bottle is gas-conductively connected to a tubular conduit of the fitting.
- a comparable prior art is based on the documents WO 2010/136161 A1 .
- GB 1 172 403 A such as BE 508 126 A out.
- An advantageous method for refilling includes the features of claim 8.
- a claimed fitting includes a gas tap for a gas removal and an opening for refilling a LPG bottle to solve the problem.
- the opening for refilling a liquefied gas cylinder can be gas-conductively connected by opening a valve with a tubular or tubular conduit of the fitting, which can extend at least 300 mm, preferably at least 400 mm, into a liquefied gas cylinder when the fitting is connected to such a gas cylinder. This ensures that the line can extend into the liquefied part of the gas, which allows, above all, a very fast draining by pumping. Emptying is required if a refilled gas cylinder proves to be leaking. This results in a speed advantage.
- the underside is the side that is adjacent to the LPG bottle or that is completely in the bottle or bottleneck when the fitting is connected to a LPG bottle.
- This opening at the bottom can be gas-connected to the gas tap, and by turning a corresponding rotary handle or handwheel.
- the tubular or tubular conduit projects in front of this opening, namely at least 200 mm, particularly preferably at least 300 mm.
- the tubular or tubular conduit is therefore preferably so long that it extends to the bottom of a gas cylinder connected to the fitting. As a rule, therefore, this line is not longer than 1290 mm.
- the opening for refilling the LPG bottle is located at the top of the fitting. This facilitates refilling because a LPG bottle does not need to be refilled. In particular, an automatic refilling in an automated filling station is possible with little technical effort.
- the gas tap via which the gas is taken for consumption, stands at the side of the valve.
- the gas tap can be opened and closed by a rotary handle or handwheel.
- the handwheel is advantageously arranged around the refill feed. For example, a nut with a spindle is actuated via the handwheel in such a way that a body provided for this purpose can be moved up and down. This will open or close the gas tap.
- the opening for refilling a LPG bottle can be opened and closed by a valve. This facilitates and accelerates refilling because a fluid pressure may be sufficient to open the valve for refilling.
- the valve comprises a valve body, which is pressed by a preloaded spring in its closed valve position. This helps to be able to open the valve for refilling solely by a fluid pressure. In addition, will facilitates emptying by pumping, as the valve can be opened by a nozzle or a spike of a suction head, in which the suction head is connected to the designated opening. Following this, it is possible to aspirate immediately, which makes an automated refilling possible, which can be carried out even by an end user taking into account a then required increased security effort.
- the valve body is preferably a hollow cylinder which includes side openings.
- the valve body can then advantageously be a part of the conduit through which liquid gas is introduced into the bottle for refilling or is sucked off via the liquid gas for emptying.
- the valve body is preferably provided with a peripheral, exchangeable sealing ring which seals the valve in the closed state liquid and gas tight. In the case of a leak is usually sufficient to replace the sealing ring to restore the functionality of the valve.
- the sealing ring is pressed in an advantageous embodiment in the closed state of the valve against a cone-shaped transition, which connects a tubular portion with a widened towards the opposite tubular portion.
- This embodiment makes it possible to use the two tubular sections as a supply line in order to be able to produce so compactly with little technical effort.
- closure member particularly in the form of a hollow cylindrical portion, which interrupts a gas conducting connection between the gas tap and the opening at the bottom of the fitting into which gas from a connected LPG bottle may flow as the valve body moves to its open position becomes. In this way, in the case of emptying by pumping it is achieved that liquid is pumped off and not gas, which would delay the emptying.
- the hollow cylindrical portion is preferably a portion of the conduit which connects the gas tap to an opening at the bottom of the fitting into which gas from a connected LPG bottle can flow. This reduces the technical complexity of a production and also allows a compact design.
- the opening for refilling a liquid gas cylinder is preferably funnel-shaped to facilitate connection to a filling head or suction head by centering.
- the valve is designed so that either gas can be removed via the gas tap or refilling or emptying can be done via the opening provided for this purpose. It can then not be refilled at the same time and at the same time be taken over the gas tap gas. This avoids risks during a gas extraction or during refilling.
- a further gas sampling option preferably via a quick coupling.
- a hose can be connected to this further gas sampling facility, specifically for permanent, generally uncontrollable gas extraction.
- This additional gas sampling option is intended for balloonists to provide a flame permanently with gas. This flame serves as a pilot flame, for example. This flame basically requires only a small amount of gas. It is so z. B. prevents excessive gas can be consumed by a too far up handwheel for the pilot flame. If a quick coupling is provided, the gas removal can be made possible only by connecting a corresponding coupling piece. Accidental opening is thus prevented.
- FIG. 1 shows a sectional view of a fitting 1 for a gas cylinder.
- a gas tap 2 with an external thread, which protrudes laterally and that horizontally from a standing gas cylinder, not shown, when the valve 1 is intended to be connected to a gas cylinder.
- the line of a gas consumer such as a gas grill, be screwed to remove gas.
- the funnel-shaped opening 3 serves as a centric filling and suction.
- the funnel-shaped junction or opening 3 is connected to a filling head or suction head of a gas filling station.
- An externally accessible upper region of the outer wall of the centric filling point has two circumferential grooves 4, in order to enable a form-fitting clasping with complementary shaped grippers of a filling head or suction head. It can thus be created during the filling or during the suction of gas, a positive connection between the outer wall with the grooves 4 and a suction head or filling head to prevent unplanned disengagement of a head during filling or emptying of a gas cylinder.
- a sealing ring 5 is held by a corresponding circumferential groove in the funnel-shaped opening 3. A filling head or suction head is pressed against this sealing ring 5 during filling or emptying.
- a hollow-cylindrical valve body 6 has in a lower region a sealing ring 7 which is held in a corresponding circumferential groove of the valve body 6.
- the valve body 6 is biased in the direction of the opening 4.
- the sealing ring 7 is pressed against a cone-shaped transition 9 for closing the valve.
- the access via the opening 4 in the fitting 1 is then, as in the FIG. 1 shown, gas-tight and liquid-tight closed and indeed more reliable and durable compared to that from the document DE 43 34 182 A1 known ball valve of the centric filling point. In the case of one Leakage of the valve due to fatigue, it is sufficient to replace only the sealing ring 9 regularly.
- valve body 6 is in the closed state of the valve as in the FIG. 1 shown predominantly in a tubular portion 10 whose inner diameter corresponds to the outer diameter of the valve body 6. The valve body 6 is therefore guided through this tubular portion 10.
- the spring 8 is located in a widened tubular portion 10.
- the tubular portion 10 is connected by the cone-shaped transition 9 with a comparatively widened tubular portion 11.
- the inner diameter of the widened portion 11 is slightly larger than the diameter of the spring 8.
- the widened portion 11 is therefore u. a. the stop and the guidance of the spring 8, if this is further stretched to open the valve.
- the hollow cylindrical valve body 6 is closed at the lower end with a rod 12.
- the rod 12 extends into a cylinder 13.
- the inner diameter of the cylinder 13 is greater than the outer diameter of the rod 12, so that a clearance 14 between the cylinder 13 and the rod 12 remains.
- the rod 12 opposite end of the hollow cylindrical valve body 6 is open.
- the valve body 6 in the vicinity of the rod 12 has lateral openings 15, which are gas-conductively connected to its interior or lead into its interior. If the valve body 6 is pressed by a fluid pressure or mechanically down until the lateral openings 15 pass into the widened portion 11, so the valve is open.
- the open state of the valve show the Figures 2 and 3 ,
- FIG. 1 shows the closed position of the cylinder 13.
- a sealing ring 17 at the lower end of the cylinder 13 is then pressed against a slope 18 for a closure. This closure is canceled by the cylinder through corresponding rotation of the rotary handle 16 is moved upward.
- the FIG. 4 shows the open position of the cylinder 13th
- the cylinder 13 is sealed by sealing rings 19 against a portion 21 of the housing wall of the valve 1.
- cylinder 13 is sealed by sealing rings 20 against a cylindrical lower portion 22 of the rotary handle 16.
- the sealing rings 19 and 20 prevent gas leakage from the valve out.
- the rotary handle 16 is rotatably supported by a ball bearing 23.
- a cap 24 is screwed onto the housing portion 21 so as to rotatably connect the rotary handle 16 to the housing portion 21.
- the fitting 1 has at the bottom two openings 25 and 26 (see in particular also the three-dimensional representation of FIG. 5 ). This underside is located in the gas cylinder or bottleneck if the valve is connected to a gas cylinder as intended.
- the opening 25 is located at the bottom of a tubular or tubular conduit 27 at the bottom of a correspondingly connected gas cylinder.
- the gas cylinder is filled after opening the valve with the valve body 6 with gas or sucked liquid gas.
- the removal of gas from the bottle takes place for consumption by a consumer connected to the gas tap 2, specifically following an opening of the gas tap by corresponding rotation of the rotary handle 16.
- the opening 26 is gas-conductively connected to an inner opening 28.
- FIG. 1 shows the case that the fitting 1 is closed. Sucking or filling is not possible because the valve is closed. A gas removal via the gas tap 2 is not possible, since this is prevented by pressing the sealing ring 17 against the slope 18, the gas tap is thus closed.
- FIG. 2 illustrates the filling on the valve 1.
- the side nozzle 2 is closed and the funnel-shaped opening 4 connected to a filling head, not shown, which is pressed against the sealing ring 5 in the funnel-shaped opening 3 liquid-tight.
- a gas-conducting connection between the gas tap and the bottom opening 26 is interrupted.
- Liquefied gas is now pumped into the funnel-shaped opening 3 according to the arrow 33.
- the valve body 6 is pressed down until the hollow cylindrical portion 29 is pressed against the sealing ring 31.
- the lateral openings 15 of the valve body 6 are now in the widened tubular portion 11.
- the liquid gas pumped along the arrow 33 can now escape from the openings 15 of the valve body 6 and indeed in the widened tubular portion 11 inside.
- the liquefied gas may flow around the lower portion of the valve body 6, as indicated by the arrows 34.
- the liquefied gas flows into the space 14 between the rod 12 and the housing portion 21 and thus enters the tubular or tubular conduit 27 as indicated by the arrows 35 and 36.
- the liquid gas then exits the valve 1 as indicated by arrow 37 and thus reaches the bottom of a gas cylinder, not shown, to which the valve 1 is attached.
- FIG. 2 illustrates that the hollow cylindrical portion 29 has a smaller outer diameter 38 in an upper region, so as to be in the case of FIG. 2 to provide such a distance to the adjacent housing inner wall such that a gas flow according to the arrow 36 is possible.
- valve body 6 For sucking off or emptying, the valve body 6 is pressed down mechanically by means of a spike or socket of a suction head placed on the funnel 3. Following this, liquefied gas can be sucked off, according to the arrows 39 to 43, as in FIG. 3 shown. Because of the hose or pipe 27 from Suction is carried out, it is ensured that liquefied gas is removed and no gaseous atmosphere above the liquid level in the gas cylinder. A liquefied gas cylinder can therefore be pumped out particularly quickly and with little effort.
- FIG. 4 shows the valve 1 in the open state of the gas tap 2 and in the closed state of the valve.
- the gas cock 2 is opened because the valve body 6 is in its closed position and the cylinder 13 is moved by rotating the unit 16 upwards and therefore the sealing ring 17 has been removed from the slope 18.
- the gas which is located above the liquid level in the LPG bottle, can now enter the opening 26 according to the arrow 44 and flow to the inner opening 28. From the opening 28, the gas passes in accordance with the arrow 45 in the interior of the hollow cylindrical portion 29. The gas then exits through the opening 30 at the upper end of the hollow cylindrical portion 29 and passes according to the arrow 46 into the space 14 inside. Since a distance between the sealing ring 17 and the slope 18 is present, the gas according to the arrow 47 can flow further into the nozzle of the gas tap 2 and be forwarded from here according to the arrow 48 to the consumer.
- the method for refilling also provides for draining in the event that a gas leak is detected. Especially the emptying can be done very quickly, since liquid is pumped and not gas.
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- Lift Valve (AREA)
Description
Die Erfindung betrifft eine Armatur für Flüssiggasflaschen sowie ein Verfahren für ein Wiederbefüllen mit Flüssiggas.The invention relates to a fitting for LPG bottles and a method for refilling with LPG.
Eine Gasflasche ist ein in der Regel aus Metall, regelmäßig aus Stahl, bestehender Druckbehälter für den Transport und die Lagerung von unter Druck stehenden Gasen. Eine solche Flasche kann ein Volumen von mehr als 100 Litern aufweisen. Der Nenndruck kann mehrere Hundert bar betragen.A gas cylinder is usually a metal, regular steel, existing pressure vessel for the transport and storage of pressurized gases. Such a bottle may have a volume of more than 100 liters. The nominal pressure can be several hundred bar.
In Flüssiggasflaschen befinden sich Gase wie zum Beispiel LPG in verflüssigter Form. Übliche Gase sind Ethan, Propan, Butan sowie Gemische davon. Diese Gase können bei Raumtemperatur durch vergleichsweise geringen Druck verflüssigt werden. Der Flüssiggasinhalt von solchen Flaschen liegt in der Regel zwischen 3 und 33 kg. Die Höhe von solchen Flüssiggasflaschen liegt meist zwischen 420 mm und 1290 mm. Der Flaschendurchmesser liegt typischerweise zwischen 200 mm und 318 mm.LPG cylinders contain gases such as LPG in liquefied form. Common gases are ethane, propane, butane and mixtures thereof. These gases can be liquefied at room temperature by comparatively low pressure. The liquid gas content of such bottles is usually between 3 and 33 kg. The height of such liquid gas cylinders is usually between 420 mm and 1290 mm. The bottle diameter is typically between 200 mm and 318 mm.
Flüssiggasflaschen werden mit einer Armatur verschlossen, an der sich, meist in Verbindung mit einem Druckminderer, eine passende Schlauchleitung zur kontrollierten Entnahme ihres Inhaltes anschrauben lässt. Des Weiteren befindet sich bei Flüssiggasflaschen in der Entnahmearmatur ein Sicherheitsventil, welches den zulässigen Überdruck in der Flasche auf zum Beispiel ca. 30 bar begrenzt, um ein Bersten zu verhindern.Liquefied gas cylinders are closed with a fitting to which, usually in conjunction with a pressure reducer, a suitable hose line for the controlled removal of their contents can be screwed. Furthermore, there is a safety valve for LPG cylinders in the sampling fitting, which limits the permissible overpressure in the bottle to, for example, about 30 bar in order to prevent bursting.
Typischerweise weist eine Armatur einer solchen Flüssiggasflasche einen seitlichen Anschlussstutzen als Gashahn auf, der einerseits zum Auffüllen und andererseits zur Entnahme verwendet wird. An diesen Gashahn werden Leitungen sowohl im Fall der Entnahme als auch im Fall einer Wiederbefüllung manuell aufgeschraubt. Der seitliche Anschlussstutzen ist bei geöffnetem Gashahn mit einer Öffnung an der Unterseite der Armatur gasleitend verbunden. Diese Unterseite mit der Öffnung befindet sich oberhalb des Flüssigkeitsspiegels im aufgestellten Zustand einer Flüssiggasflasche. Bei einer Entnahme von Gas wird daher das Gas entnommen, welches sich oberhalb des Flüssigkeitsspiegels im gasförmigen Zustand befindet.Typically, a fitting of such a liquid gas cylinder has a lateral connecting piece as a gas tap, which is used on the one hand for filling and on the other hand for removal. On this gas tap lines are manually screwed both in the case of removal and in the case of refilling. The lateral connection piece is gas-conductively connected to an opening at the underside of the fitting when the gas tap is open. This bottom with the opening is located above the liquid level in the erected state of a liquefied gas cylinder. With a removal of gas, therefore, the gas is removed, which is located above the liquid level in the gaseous state.
Flüssiggasflaschen werden für den Betrieb von Gasherden, Gaskochern, Gasgrills, Gasheizöfen oder Gasheizstrahlern eingesetzt. Ist der Inhalt einer Flüssiggasflasche verbraucht, so werden Flüssiggasflaschen vom Verbraucher an die Verkaufsstelle von Flüssiggasflaschen zwecks erneuter Auffüllung zurückgegeben. Nach einer solchen Rückgabe einer Flüssiggasflasche wird diese von der Verkaufsstelle zu einer zentralen Abfüllanlage bzw. Abfüllstation transportiert.LPG cylinders are used to operate gas stoves, gas stoves, gas grills, gas stoves or gas radiators. Is the content of a liquefied gas cylinder consumed, LPG cylinders shall be returned by the consumer to the point of sale of LPG cylinders for refilling. After such a return of a liquefied gas cylinder it is transported from the point of sale to a central bottling plant or filling station.
Um eine Wiederbefüllung zu erleichtern, ist aus der Druckschrift
Die Druckschrift
Es ist Aufgabe der Erfindung, den technischen Aufwand für ein Wiederbefüllen von Gasflaschen zu verringern.It is an object of the invention to reduce the technical complexity of refilling gas cylinders.
Die Aufgabe der Erfindung wird durch eine Armatur mit den Merkmalen des Hauptanspruchs gelöst. Vorteilhafte Ausgestaltungen ergeben sich aus den abhängigen Ansprüchen. Ein vorteilhaftes Verfahren für ein Wiederbefüllen umfasst die Merkmale des Anspruchs 8.The object of the invention is achieved by a fitting with the features of the main claim. Advantageous embodiments emerge from the dependent claims. An advantageous method for refilling includes the features of
Eine anspruchsgemäße Armatur umfasst zur Lösung der Aufgabe einen Gashahn für eine Gasentnahme und eine Öffnung für ein Wiederbefüllen einer Flüssiggasflasche. Die Öffnung für ein Wiederbefüllen einer Flüssiggasflasche kann durch Öffnen eines Ventils mit einer schlauchförmigen oder rohrförmigen Leitung der Armatur gasleitend verbunden werden, die wenigstens 300 mm, vorzugsweise wenigstens 400 mm, in eine Flüssiggasflasche hineinreichen kann, wenn die Armatur mit einer solchen Gasflasche verbunden ist. Hierdurch wird erreicht, dass die Leitung in den verflüssigten Teil des Gases hineinreichen kann, was vor allem ein sehr schnelles Entleeren durch Abpumpen ermöglicht. Ein Entleeren ist geboten, wenn sich eine wiederbefüllte Gasflasche als undicht erweist. Es ergibt sich so ein Geschwindigkeitsvorteil.A claimed fitting includes a gas tap for a gas removal and an opening for refilling a LPG bottle to solve the problem. The opening for refilling a liquefied gas cylinder can be gas-conductively connected by opening a valve with a tubular or tubular conduit of the fitting, which can extend at least 300 mm, preferably at least 400 mm, into a liquefied gas cylinder when the fitting is connected to such a gas cylinder. This ensures that the line can extend into the liquefied part of the gas, which allows, above all, a very fast draining by pumping. Emptying is required if a refilled gas cylinder proves to be leaking. This results in a speed advantage.
Es gibt eine Öffnung an der Unterseite der Armatur benachbart zur schlauchförmigen oder rohrförmigen Leitung. Die Unterseite ist die Seite, die an die Flüssiggasflasche angrenzt bzw. sich vollständig in der Flasche oder im Flaschenhals befindet, wenn die Armatur mit einer Flüssiggasflasche verbunden ist. Diese Öffnung an der Unterseite kann mit dem Gashahn gasleitend verbunden werden, und durch Drehen eines entsprechenden Drehgriffs bzw. Handrads. Die schlauchförmige oder rohrförmige Leitung steht gegenüber dieser Öffnung vor und zwar wenigstens um 200 mm, besonders bevorzugt wenigstens um 300 mm.There is an opening at the bottom of the fitting adjacent to the tubular or tubular conduit. The underside is the side that is adjacent to the LPG bottle or that is completely in the bottle or bottleneck when the fitting is connected to a LPG bottle. This opening at the bottom can be gas-connected to the gas tap, and by turning a corresponding rotary handle or handwheel. The tubular or tubular conduit projects in front of this opening, namely at least 200 mm, particularly preferably at least 300 mm.
Hierdurch wird erreicht, dass Gas oberhalb des Flüssigkeitsspiegels über den Gashahn entnommen werden kann und damit sofort in der Form vorliegt, in der das Gas im Falle eines Verbrauchs benötigt wird.This ensures that gas above the liquid level can be removed via the gas tap and thus immediately present in the form in which the gas is needed in the event of consumption.
Die schlauchförmige bzw. rohrförmige Leitung ist daher vorzugsweise so lang, dass diese bis zum Grund einer mit der Armatur verbundenen Gasflasche reicht. In der Regel ist daher diese Leitung nicht länger als 1290 mm.The tubular or tubular conduit is therefore preferably so long that it extends to the bottom of a gas cylinder connected to the fitting. As a rule, therefore, this line is not longer than 1290 mm.
Die Öffnung für ein Wiederbefüllen der Flüssiggasflasche ist an der Oberseite der Armatur angeordnet. Dies erleichtert ein Wiederbefüllen, da eine Flüssiggasflasche nicht für ein Wiederbefüllen ausgerichtet werden muss. Insbesondere ist so mit geringem technischem Aufwand ein automatisches Wiederbefüllen in einer automatisierten Abfüllstation möglich.The opening for refilling the LPG bottle is located at the top of the fitting. This facilitates refilling because a LPG bottle does not need to be refilled. In particular, an automatic refilling in an automated filling station is possible with little technical effort.
Der Gashahn, über den das Gas zwecks Verbrauch entnommen wird, steht seitlich von der Armatur ab. Durch einen Drehgriff bzw. Handrad kann der Gashahn geöffnet und geschlossen werden. Das Handrad ist vorteilhaft um die Zuführung für ein Wiederbefüllen herum angeordnet. Über das Handrad wird zum Beispiel eine Mutter mit Spindel betätigt und zwar derart, dass ein dafür vorgesehener Körper hoch und runter bewegt werden kann. Hierdurch wird der Gashahn geöffnet oder geschlossen.The gas tap, via which the gas is taken for consumption, stands at the side of the valve. The gas tap can be opened and closed by a rotary handle or handwheel. The handwheel is advantageously arranged around the refill feed. For example, a nut with a spindle is actuated via the handwheel in such a way that a body provided for this purpose can be moved up and down. This will open or close the gas tap.
Die Öffnung für ein Wiederbefüllen einer Flüssiggasflasche kann durch ein Ventil geöffnet und geschlossen werden. Dies erleichtert und beschleunigt ein Wiederbefüllen, da ein Flüssigkeitsdruck genügen kann, um das Ventil für ein Wiederbefüllen zu öffnen.The opening for refilling a LPG bottle can be opened and closed by a valve. This facilitates and accelerates refilling because a fluid pressure may be sufficient to open the valve for refilling.
Das Ventil umfasst einen Ventilkörper, der durch eine vorgespannte Feder in seine geschlossene Ventilstellung gedrückt wird. Dies trägt dazu bei, allein durch einen Flüssigkeitsdruck das Ventil für ein Wiederbefüllen öffnen zu können. Außerdem wird eine Entleerung durch Abpumpen erleichtert, da das Ventil durch einen Stutzen oder einen Dorn eines Absaugkopfes dadurch geöffnet werden kann, in dem der Absaugkopf mit der dafür vorgesehenen Öffnung verbunden wird. Im Anschluss daran kann sofort abgesaugt werden, was eine automatisierte Wiederbefüllung möglich macht, die selbst durch einen Endverbraucher unter Berücksichtigung eines dann erforderlichen erhöhten Sicherheitsaufwands vorgenommen werden kann.The valve comprises a valve body, which is pressed by a preloaded spring in its closed valve position. This helps to be able to open the valve for refilling solely by a fluid pressure. In addition, will facilitates emptying by pumping, as the valve can be opened by a nozzle or a spike of a suction head, in which the suction head is connected to the designated opening. Following this, it is possible to aspirate immediately, which makes an automated refilling possible, which can be carried out even by an end user taking into account a then required increased security effort.
Der Ventilkörper ist vorzugsweise ein Hohlzylinder ist, der seitliche Öffnungen umfasst. Der Ventilkörper kann dann vorteilhaft ein Teil der Leitung sein, über die Flüssigkeitsgas in die Flasche für ein Wiederbefüllen hineingeleitet wird oder über die Flüssigkeitsgas für ein Entleeren abgesaugt wird.The valve body is preferably a hollow cylinder which includes side openings. The valve body can then advantageously be a part of the conduit through which liquid gas is introduced into the bottle for refilling or is sucked off via the liquid gas for emptying.
Der Ventilkörper ist vorzugsweise mit einem umlaufenden, austauschbaren Dichtring versehen, der das Ventil im geschlossenen Zustand flüssigkeits- und gasdicht verschließt. Im Fall einer Undichtigkeit genügt in der Regel der Austausch des Dichtrings, um die Funktionstüchtigkeit der Armatur wieder herzustellen.The valve body is preferably provided with a peripheral, exchangeable sealing ring which seals the valve in the closed state liquid and gas tight. In the case of a leak is usually sufficient to replace the sealing ring to restore the functionality of the valve.
Der Dichtring ist in einer vorteilhaften Ausgestaltung im geschlossenen Zustand des Ventils gegen einen konusförmigen Übergang gepresst, der einen rohrförmigen Abschnitt mit einem dem gegenüber verbreiterten rohrförmigen Abschnitt verbindet. Diese Ausgestaltung ermöglicht es, die beiden rohrförmigen Abschnitte als Zuleitung zu verwenden, um so kompakt mit geringem technischen Aufwand herstellen zu können.The sealing ring is pressed in an advantageous embodiment in the closed state of the valve against a cone-shaped transition, which connects a tubular portion with a widened towards the opposite tubular portion. This embodiment makes it possible to use the two tubular sections as a supply line in order to be able to produce so compactly with little technical effort.
Es ist ein Schließelement, insbesondere in der Form eines hohlzylinderförmigen Abschnitts, vorhanden, welches eine gasleitende Verbindung zwischen dem Gashahn und der Öffnung an der Unterseite der Armatur, in die Gas einer angeschlossenen Flüssiggasflasche hineinströmen kann, unterbricht, wenn der Ventilkörper in seine geöffnete Stellung bewegt wird. Hierdurch wird im Fall einer Entleerung durch Abpumpen erreicht, dass Flüssigkeit abgepumpt wird und nicht etwa Gas, was die Entleerung verzögern würde.There is a closure member, particularly in the form of a hollow cylindrical portion, which interrupts a gas conducting connection between the gas tap and the opening at the bottom of the fitting into which gas from a connected LPG bottle may flow as the valve body moves to its open position becomes. In this way, in the case of emptying by pumping it is achieved that liquid is pumped off and not gas, which would delay the emptying.
Der hohlzylinderförmige Abschnitt ist vorzugsweise ein Abschnitt der Leitung, die den Gashahn mit einer Öffnung an der Unterseite der Armatur verbindet, in die Gas einer angeschlossenen Flüssiggasflasche hineinströmen kann. Dies verringert den technischen Aufwand einer Herstellung und ermöglicht ebenfalls eine kompakte Bauweise.The hollow cylindrical portion is preferably a portion of the conduit which connects the gas tap to an opening at the bottom of the fitting into which gas from a connected LPG bottle can flow. This reduces the technical complexity of a production and also allows a compact design.
Die Öffnung für ein Wiederbefüllen einer Flüssiggasflasche ist vorzugsweise trichterförmig, um ein Verbinden mit einem Befüllungskopf oder Absaugkopf durch Zentrierung zu erleichtern.The opening for refilling a liquid gas cylinder is preferably funnel-shaped to facilitate connection to a filling head or suction head by centering.
Vorteilhaft ist die Armatur so konstruiert, dass entweder Gas über den Gashahn entnommen werden kann oder aber eine Wiederbefüllung oder Entleerung über die dafür vorgesehene Öffnung erfolgen kann. Es kann dann nicht gleichzeitig wiederbefüllt werden und zugleich über den Gashahn Gas entnommen werden. Dies vermeidet Risiken während einer Gasentnahme oder während eines Wiederbefüllens.Advantageously, the valve is designed so that either gas can be removed via the gas tap or refilling or emptying can be done via the opening provided for this purpose. It can then not be refilled at the same time and at the same time be taken over the gas tap gas. This avoids risks during a gas extraction or during refilling.
In einer Ausgestaltung der Erfindung gibt es eine weitere Gasentnahmemöglichkeit vorzugsweise über eine Schnellkopplung. An diese weitere Gasentnahmemöglichkeit kann zum Beispiel ein Schlauch angeschlossen werden und zwar zur dauerhaften, grundsätzlich nicht regulierbaren Gasentnahme. Diese zusätzliche Gasentnahmemöglichkeit ist für Ballonfahrer vorgesehen, um eine Flamme dauerhaft mit Gas versorgen zu können. Diese Flamme dient beispielsweise als Zündflamme. Diese Flamme benötigt grundsätzlich nur wenig Gas. Es wird so z. B. verhindert, dass übermäßig viel Gas durch ein zu weit aufgedrehtes Handrad für die Zündflamme verbraucht werden kann. Ist eine Schnellkopplung vorgesehen, so kann die Gasentnahme nur durch Anschließen eines entsprechenden Kupplungsstücks ermöglicht werden. Ein versehentliches Öffnen wird so verhindert.In one embodiment of the invention, there is a further gas sampling option preferably via a quick coupling. For example, a hose can be connected to this further gas sampling facility, specifically for permanent, generally uncontrollable gas extraction. This additional gas sampling option is intended for balloonists to provide a flame permanently with gas. This flame serves as a pilot flame, for example. This flame basically requires only a small amount of gas. It is so z. B. prevents excessive gas can be consumed by a too far up handwheel for the pilot flame. If a quick coupling is provided, the gas removal can be made possible only by connecting a corresponding coupling piece. Accidental opening is thus prevented.
In einer Ausgestaltung gibt es eine Berstsicherung, die bei übermäßig hohem Innendruck zerstört wird, um so Gas kontrolliert austreten zu lassen und so einen zu hohen Innendruck zu reduzieren.In one embodiment, there is a rupture, which is destroyed at excessively high internal pressure, so as to leak gas controlled and thus to reduce excessive internal pressure.
Nachfolgend wird die Erfindung anhand von Figuren näher erläutert.The invention will be explained in more detail with reference to figures.
Es zeigen:
- Figur 1:
- Armatur mit geschlossenem Gashahn und geschlossenem Ventil;
- Figur 2:
- Armatur mit geschlossenem Gashahn und geöffnetem Ventil;
- Figur 3:
- Armatur mit geschlossenem Gashahn und geöffnetem Ventil;
- Figur 4:
- Armatur mit geöffnetem Gashahn und geschlossenem Ventil;
- Figur 5:
- Armatur in einer dreidimensionalen Darstellung.
- FIG. 1:
- Valve with closed gas tap and closed valve;
- FIG. 2:
- Valve with closed gas tap and open valve;
- FIG. 3:
- Valve with closed gas tap and open valve;
- FIG. 4:
- Fitting with open gas tap and closed valve;
- FIG. 5:
- Faucet in a three-dimensional representation.
Die
Zusätzlich zu dem seitlich abstehenden Stutzen 2 gibt es an der Oberseite eine trichterförmige Öffnung 3 in die Armatur 1 hinein. Die nach oben führende trichterförmige Öffnung 3 dient als zentrische Befüllungs- und Absaugstelle. Für ein Befüllen oder Absaugen wird die trichterförmige Einmündung bzw. Öffnung 3 mit einem Befüllungskopf oder Absaugkopf einer Gasabfüllstation verbunden.In addition to the laterally projecting
Ein von außen zugänglicher oberer Bereich der Außenwand der zentrischen Befüllungsstelle weist zwei umlaufende Rillen 4 auf, um ein formschlüssiges Umklammern mit komplementär geformten Greifern eines Befüllungskopfes oder Absaugkopfes zu ermöglichen. Es kann so während des Befüllens oder während des Absaugens von Gas eine formschlüssige Verbindung zwischen der Außenwand mit den Rillen 4 und einem Absaugkopf oder Befüllungskopf geschaffen werden, um ein unplanmäßiges Lösen eines Kopfes während des Füllens oder Entleerens einer Gasflasche zu verhindern.An externally accessible upper region of the outer wall of the centric filling point has two
Um eine dichte Verbindung während des Füllens oder Entleerens zu gewährleisten, wird ein Dichtring 5 durch eine entsprechende umlaufende Rille in der trichterförmige Öffnung 3 gehalten. Ein Befüllungskopf bzw. Absaugkopf wird während des Füllens oder Entleerens gegen diesen Dichtring 5 gepresst.To ensure a tight connection during filling or emptying, a sealing
Ein hohlzylinderförmiger Ventilkörper 6 weist in einem unteren Bereich einen Dichtring 7 auf, der in einer entsprechenden umlaufenden Nut des Ventilkörpers 6 gehalten wird. Durch eine Feder 8 wird der Ventilkörper 6 in Richtung der Öffnung 4 vorgespannt. Hierdurch wird der Dichtring 7 gegen einen konusförmigen Übergang 9 für ein Verschließen des Ventils gepresst. Der Zugang über die Öffnung 4 in die Armatur 1 hinein ist dann, wie in der
Der Ventilkörper 6 befindet sich im geschlossenen Zustand des Ventils wie in der
Die Feder 8 befindet sich in einem demgegenüber verbreiterten rohrförmigen Abschnitt 10. Der rohrförmige Abschnitt 10 wird durch den konusförmigen Übergang 9 mit einem im Vergleich dazu verbreiterten rohrförmigen Abschnitt 11 verbunden. Der Innendurchmesser des verbreiterten Abschnitts 11 ist geringfügig größer als der Durchmesser der Feder 8. Der verbreiterte Abschnitt 11 dient daher u. a. dem Halt und der Führung der Feder 8, wenn diese für ein Öffnen des Ventils weiter gespannt wird.The
Der hohlzylinderförmige Ventilkörper 6 ist am unteren Ende mit einem Stab 12 verschlossen. Der Stab 12 erstreckt sich in einen Zylinder 13 hinein. Der Innendurchmesser des Zylinders 13 ist größer als der Außendurchmesser des Stabs 12, so dass ein Freiraum 14 zwischen dem Zylinder 13 und dem Stab 12 verbleibt.The hollow
Das dem Stab 12 gegenüberliegende Ende des hohlzylinderförmigen Ventilkörpers 6 ist offen. Darüber hinaus weist der Ventilkörper 6 in der Nähe des Stabs 12 seitliche Öffnungen 15 auf, die mit seinem Innenraum gasleitend verbunden sind bzw. in seinen Innenraum hineinführen. Wird der Ventilkörper 6 durch einen Flüssigkeitsdruck oder aber mechanisch nach unten gedrückt, bis die seitliche Öffnungen 15 in den verbreiterten Abschnitt 11 hinein gelangen, so ist das Ventil geöffnet. Den geöffneten Zustand des Ventils zeigen die
Um den seitlichen Stutzen 2 zu öffnen und zu verschließen, gibt es einen Drehgriff 16, auch Handrad genannt. Durch entsprechendes Drehen des Drehgriffs bzw. Handrads 16 kann der Zylinder 13 zwischen einer Schließstellung und einer Offenstellung hin und zurück bewegt werden. Die
Der Zylinder 13 ist durch Dichtringe 19 gegenüber einem Abschnitt 21 der Gehäusewand der Armatur 1 abgedichtet. Darüber hinaus ist Zylinder 13 durch Dichtringe 20 gegenüber einem zylinderförmigen unteren Abschnitt 22 des Drehgriffs 16 abgedichtet. Die Dichtringe 19 und 20 verhindern einen Gasaustritt aus der Armatur heraus.The
Der Drehgriff 16 ist durch eine Kugellagerung 23 drehbar gehalten. Eine Kappe 24 ist auf dem Gehäuseabschnitt 21 aufgeschraubt, um so den Drehgriff 16 mit dem Gehäuseabschnitt 21 drehbar zu verbinden.The rotary handle 16 is rotatably supported by a
Die Armatur 1 weist an der Unterseite zwei Öffnungen 25 und 26 auf (siehe insbesondere auch die dreidimensionale Darstellung der
Die Öffnung 25 befindet sich am unteren Ende einer schlauchförmigen bzw. rohrförmigen Leitung 27 am Grund einer entsprechend angeschlossenen Gasflasche. Über diese Öffnung 25 wird die Gasflasche im Anschluss an ein Öffnen des Ventils mit dem Ventilkörper 6 mit Gas befüllt oder Flüssiggas abgesaugt. Über die andere Öffnung 26 erfolgt die Entnahme von Gas aus der Flasche für einen Verbrauch durch einen an den Gashahn 2 angeschlossenen Verbraucher und zwar im Anschluss an ein Öffnen des Gashahns durch entsprechendes Drehen des Drehgriffs 16.The
Die Öffnung 26 ist gasleitend mit einer inneren Öffnung 28 verbunden.The
An das untere Ende des Stabes 12 schließt sich ein damit verbundener hohlzylinderförmiger Abschnitt 29 an, der im Übergangsbereich zwischen Stab 12 und Abschnitt 29 mit einer Öffnung 30 versehen ist. Wird der Ventilkörper 6 nach unten gedrückt, so wird der hohlzylinderförmige Abschnitt 29 gegen einen Dichtring 31 gepresst, der sich am unteren Ende einer Führung 32 befindet.At the lower end of the
Die
Die
Die
Für ein Absaugen oder Entleeren wird der Ventilkörper 6 mechanisch durch einen Dorn oder Stutzen eines auf den Trichter 3 aufgesetzten Absaugkopfes nach unten gedrückt. Im Anschluss daran kann Flüssiggas abgesaugt werden und zwar gemäß den Pfeilen 39 bis 43, wie in der
Die
Durch eine solche Armatur wird in einer entsprechenden Ausgestaltung insbesondere vorteilhaft erreicht, dass entweder Gas über den Gashahn entnommen werden kann oder aber eine Wiederbefüllung oder Entleerung über die zentrische Öffnung 3 erfolgen kann. Es kann dann nicht gleichzeitig wieder befüllt werden und über den Gashahn Gas entnommen werden.By means of such a fitting, it is particularly advantageously achieved in a corresponding embodiment that either gas can be taken off via the gas tap or refilling or emptying can take place via the
Das Verfahren für ein Wiederbefüllen sieht auch ein Entleeren vor für den Fall, dass eine Gasundichtigkeit festgestellt wird. Gerade das Entleeren kann besonders schnell erfolgen, da Flüssigkeit abgepumpt wird und nicht Gas.The method for refilling also provides for draining in the event that a gas leak is detected. Especially the emptying can be done very quickly, since liquid is pumped and not gas.
Claims (8)
- Fitting for a liquid gas bottle comprising a gas tap (2) for gas withdrawal and an opening (3) for refilling the liquid gas bottle, wherein the opening (3) for refilling the liquid gas bottle is connected in a gas-conducting manner to a hose-shaped or tubular line (27) of the fitting, which can extent into the liquid gas bottle by at least 300 mm, preferably at least 400 mm, comprising an opening (26) at the bottom side of the fitting adjacent to the hose-shaped or tubular line (27), which can be connected to the gas tap (2) in a gas-conducting manner, wherein the hose-shaped or tubular line (27) protrudes relative to the opening, specifically by at least 200 mm, particularly preferred by at least 300 mm, wherein the opening (3) for refilling the liquid gas bottle is arranged at the upper side of the fitting (1), wherein the gas tap (2) protrudes sidewards from the fitting (1), wherein the gas tap (2) can be opened and closed by a handwheel (16), wherein the opening (3) for refilling the liquid gas bottle can be opened and closed by a valve, wherein the valve comprises a valve body (6), which is pressed to its closed valve position by a biased spring (8), wherein there is a closing element, in particular in the shape of a hollow cylindrical section (29), which, if the valve body (6) is moved in its opened position, interrupts a gas-conducting connection between the gas tap (2) and the opening (26) at the bottom side of the fitting, in which the gas of a connected liquid gas bottle can flow into.
- Fitting according to the preceding claim, characterized in that the valve body (6) is a hollow cylinder, which comprises sideward openings (15).
- Fitting according to one of the two preceding claims, characterized in that the valve body (6) is provided with a circumferential, exchangeable sealing ring (9), which closes the valve in a liquid and gas tight manner in the closed state.
- Fitting according to the preceding claim, characterized in that the sealing ring (9) is pressed in the closed state against a conical passage (9), which connects a tubular section (10) with a compared with this broadened tubular section (11).
- Fitting according to one of the preceding claim, characterized in that the hollow cylindrical section (29) is a section of the line, which connects the gas tap (2) with an opening (26) at the bottom side of the fitting, in which the gas of the connected liquid gas bottle may flow into.
- Fitting according to one of the preceding claims, characterized in that the gas tap (2) is mandatorily closed when a valve for refilling is opened, and/or vice versa the valve for refilling is mandatorily closed when the gas tap (2) is opened.
- Fitting according to one of the preceding claims, characterized in that there is a further opening having a quick connector, through which the gas can be withdrawn.
- Method for refilling a liquid gas bottle comprising a fitting according to one of the preceding claims, wherein the hose-shaped or tubular line (27) extents into the liquefied part of the gas, in a filling station comprising the steps:• a filling head of the filling station is connected to the opening (3) for refilling,• subsequently, the filling station fills the gas bottle with liquid gas,• subsequent to the filling, the filling station tests leakage of gas from the gas bottle,• if the test reveals that no gas escapes from the gas bottle, the refilled gas bottle is removed from the filling station,• if the test reveals that gas does escape from the gas bottle, the filling station empties the gas bottle by sucking liquid gas through the opening, which is provided for refilling.
Priority Applications (26)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14192891.1A EP3021034B1 (en) | 2014-11-12 | 2014-11-12 | Fitting for liquefied gas bottles and filling method |
HUE15797869A HUE047970T2 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
MA052406A MA52406A (en) | 2014-11-12 | 2015-10-28 | REINFORCEMENT FOR LIQUID GAS BOTTLES AS WELL AS FILLING PROCESS |
CA2964439A CA2964439C (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas bottles and filling method |
EA201790955A EA033994B1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method |
EP19210220.0A EP3660381B9 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
PL15797869T PL3218642T3 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
MEP-2020-35A ME03634B (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method |
EP15797869.3A EP3218642B1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
KR1020177016058A KR102440912B1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method |
ES15797869T ES2773443T3 (en) | 2014-11-12 | 2015-10-28 | Liquefied gas bottle accessory along with filling procedures |
US15/526,569 US10738945B2 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method |
JP2017525523A JP6612341B2 (en) | 2014-11-12 | 2015-10-28 | Liquid gas bottle connector and filling method |
MX2017006187A MX2017006187A (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method. |
CN201580061232.0A CN107002946B (en) | 2014-11-12 | 2015-10-28 | Joint for liquefied gas cylinder and filling method |
AU2015345387A AU2015345387B2 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method |
MA40947A MA40947B1 (en) | 2014-11-12 | 2015-10-28 | Frame for liquid gas cylinders and method of filling |
RS20200167A RS59947B1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
SI201531083T SI3218642T1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
TN2017000132A TN2017000132A1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas bottles and filling method |
PT157978693T PT3218642T (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method |
PCT/EP2015/074950 WO2016074923A1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquid gas cylinders and filling method |
DK15797869.3T DK3218642T3 (en) | 2014-11-12 | 2015-10-28 | LIQUID FOR LIQUID GAS BOTTLES AND FILLING PROCEDURE |
HK16112626.9A HK1224357A1 (en) | 2014-11-12 | 2016-11-02 | Fitting for liquid gas cylinders and filling method |
ZA2017/02728A ZA201702728B (en) | 2014-11-12 | 2017-04-18 | Fitting for liquid gas cylinders and filling method |
HRP20200242TT HRP20200242T1 (en) | 2014-11-12 | 2020-02-13 | Fitting for liquid gas cylinders and filling method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14192891.1A EP3021034B1 (en) | 2014-11-12 | 2014-11-12 | Fitting for liquefied gas bottles and filling method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3021034A1 EP3021034A1 (en) | 2016-05-18 |
EP3021034B1 true EP3021034B1 (en) | 2019-04-24 |
Family
ID=51897157
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14192891.1A Active EP3021034B1 (en) | 2014-11-12 | 2014-11-12 | Fitting for liquefied gas bottles and filling method |
EP15797869.3A Active EP3218642B1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
EP19210220.0A Active EP3660381B9 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15797869.3A Active EP3218642B1 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
EP19210220.0A Active EP3660381B9 (en) | 2014-11-12 | 2015-10-28 | Fitting for liquefied gas bottles and filling method |
Country Status (23)
Country | Link |
---|---|
US (1) | US10738945B2 (en) |
EP (3) | EP3021034B1 (en) |
JP (1) | JP6612341B2 (en) |
KR (1) | KR102440912B1 (en) |
CN (1) | CN107002946B (en) |
AU (1) | AU2015345387B2 (en) |
CA (1) | CA2964439C (en) |
DK (1) | DK3218642T3 (en) |
EA (1) | EA033994B1 (en) |
ES (1) | ES2773443T3 (en) |
HK (1) | HK1224357A1 (en) |
HR (1) | HRP20200242T1 (en) |
HU (1) | HUE047970T2 (en) |
MA (2) | MA40947B1 (en) |
ME (1) | ME03634B (en) |
MX (1) | MX2017006187A (en) |
PL (1) | PL3218642T3 (en) |
PT (1) | PT3218642T (en) |
RS (1) | RS59947B1 (en) |
SI (1) | SI3218642T1 (en) |
TN (1) | TN2017000132A1 (en) |
WO (1) | WO2016074923A1 (en) |
ZA (1) | ZA201702728B (en) |
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CN113983350B (en) * | 2021-11-26 | 2024-07-26 | 优捷特清洁能源有限公司 | Floating spanner and hydrogenation gun |
CN114517888B (en) * | 2022-03-09 | 2024-06-21 | 浙江工业大学 | Self-enhancement technology of station hydrogen storage cylinder based on self-enhancement theory |
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- 2015-10-28 JP JP2017525523A patent/JP6612341B2/en not_active Expired - Fee Related
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- 2015-10-28 MX MX2017006187A patent/MX2017006187A/en unknown
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