WO2011062497A1 - Use of a gas storage device as an independent fuel storage for heating purposes - Google Patents

Use of a gas storage device as an independent fuel storage for heating purposes Download PDF

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Publication number
WO2011062497A1
WO2011062497A1 PCT/NL2010/050780 NL2010050780W WO2011062497A1 WO 2011062497 A1 WO2011062497 A1 WO 2011062497A1 NL 2010050780 W NL2010050780 W NL 2010050780W WO 2011062497 A1 WO2011062497 A1 WO 2011062497A1
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WIPO (PCT)
Prior art keywords
gas
storage device
fuel
methane
gas storage
Prior art date
Application number
PCT/NL2010/050780
Other languages
French (fr)
Inventor
Wilhelmina Walthera Cornelia Johanna Van Seumeren-Aussems
Original Assignee
Van Seumeren-Aussems Wilhelmina Walthera Cornelia
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Publication of WO2011062497A1 publication Critical patent/WO2011062497A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • 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
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
    • F17C2205/0142—Two or more vessels characterised by the presence of fluid connection between vessels bundled in parallel
    • 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
    • F17C2205/0338—Pressure regulators
    • 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
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • 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
    • F17C2223/03—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
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2225/0107—Single phase
    • F17C2225/0123—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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/033—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
    • 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
    • F17C2227/041—Methods for emptying or filling vessel by 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0642—Composition; Humidity
    • 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
    • F17C2260/05—Improving chemical properties
    • F17C2260/056—Improving fluid characteristics
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • 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
    • 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

Definitions

  • the invention relates to the use of a gas storage device as an independent fuel storage for heating purposes.
  • Independent fuel storage is known in for instance industry or households which are not connected to a natural gas grid or cannot be connected to such a grid.
  • the independent fuel storage is generally provided in the vicinity of the location where the fuel is used.
  • LPG liquid petroleum gas
  • LPG is usually used as fuel for independent fuel storage.
  • LPG is a mixture of butane gas and propane gas which has been made liquid.
  • LPG is stored in relatively large independent storage tanks, from which the fuel is guided in gas form through a conduit system to for instance a heating installation to be used as fuel.
  • LPG is a relatively dangerous fuel, and many safety provisions must therefore be made in order to prevent the risk of explosions. Combustion of LPG moreover contributes toward air pollution, even though it is a relatively clean fossil fuel.
  • the invention has for its object to provide an alternative independent fuel storage, which is suitable as fuel storage for heating purposes and the use of which is moreover economically attractive.
  • the invention provides for this purpose a use of a gas storage device having present therein under a high pressure of at least 100 bar methane gas with a methane content of at least 95% by volume as an independent fuel storage, for instance for industry or households, and wherein the methane gas is used as fuel for heating purposes.
  • the methane gas can for instance originate from natural gas or biogas, or a mixture thereof.
  • a pretreatment of the crude gas is necessary to achieve a methane content of 95% by volume, wherein contamination and residual gases are removed.
  • the gas is optionally made liquid, and subsequently restored to the gas phase.
  • a methane content is preferably applied of at least 96% by volume, more preferably at least 97% by volume, most preferably at least 98% by volume.
  • the methane gas used in the invention has a sufficiently high calorific value to form a realistic alternative to LPG.
  • it is also referred to as x high-calorific methane gas' because it generally has a 20% higher calorific value than naturally obtained natural gas, which contains the inevitable contaminants.
  • the fuel based on high-calorific methane gas has been found highly suitable for heating purposes.
  • the gas is stored under high pressure of at least 100 bar, preferably 200 bar, most preferably 300 bar.
  • the storage device can thus take a relatively small form.
  • compressed natural gas is known in a general sense, and more specifically the use thereof as fuel for the automobile industry: since the 1970s and 1980s compressed natural gas has been applied as alternative fuel for combustion engines.
  • Methane gas originating from biogas is preferably used in the invention.
  • the use of biogas as a source of methane gas has the advantage that it is in fact not a fossil fuel, and does not therefore impact upon the finite supplies thereof.
  • a gas storage device comprising gas cylinders is preferably used in the invention.
  • This form of gas storage has already been found highly suitable in practice for storage under the preferred high pressure, and can thus be applied directly for the purpose of this invention.
  • the gas cylinders are highly suitable for transport, so they can be easily placed for the application as independent fuel storage. Used tanks can moreover be exchanged for filled tanks in simple manner by setting up a distribution system based on transport of the gas cylinders by road. Such a distribution system for this fuel precludes the risks associated with the refilling of tanks at the location of the storage device, as is the case for LPG storage.
  • the gas storage device is more preferably coupled on the outflow side to a pressure valve for reducing the pressure under which the methane gas flows out .
  • a pressure valve for reducing the pressure under which the methane gas flows out .
  • Such a pressure valve is effective in reducing the high pressure in the storage to a level at which the gas is used as fuel.
  • the gas pressure valve for instance achieves a reduction of up to 3 mbar of overpressure .
  • the gas storage device is coupled to a conduit system through which the methane gas is guided under reduced pressure to a location of use as fuel.
  • the actual use of the fuel gas is in this way made possible.
  • Existing conduit systems can usually be used here, provided they can withstand the pressure of the gas.
  • the gas storage device and/or the conduit system is provided with coupling means known in the art in order to obtain said coupling therebetween.
  • the methane gas is preferably used as fuel for heating water vessels, for instance for boilers or central heating .
  • FIG. 1 illustrates a preferred embodiment of the invention, in which: A system 1 of an independent fuel storage is shown schematically on the basis of a gas storage device in the form of two cylinders 2. Cylinders 2 can vary in number between 2 and 10, the internal volume per cylinder lies between 50 and 80 litres of water volume, the operating pressure in the cylinder lies between 100 and 300 bar.
  • Cylinders 2 are provided with a first pressure-reducing valve 4, and conduits 5 come together in a three-way valve 6 provided with a second pressure-reducing valve.
  • Three-way valve 6 makes it possible to switch between the two cylinders 2 when the one has for instance become empty.
  • a non-return valve 8 and a three-way valve 10 the conduit runs into the main conduit 11, in which a pressure of between 50 mbar and 3 bar is maintained.
  • Three-way valve 10 is connected via conduit 9 to a gas storage device (not shown) , as indicated on the left-hand side with reference numerals 2,4,5 and 6. Using three-way valve 10 it is possible to opt between two groups of gas storage devices.
  • the three-way valves can moreover be adjusted such that, when a preset minimum value of the pressure is reached in a gas cylinder, this cylinder is automatically closed off from conduit 11.
  • control valve 12 reduces the pressure in the conduit to a value of 3 mbar to 50 mbar, this being the pressure of the outflowing gas in outflow conduit 14.
  • Outflow conduit 14 is coupled to the gas conduit of a house or an industrial installation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The use of a gas storage device having present therein under a high pressure of at least 100 bar methane gas with a methane content of at least 95% by volume as an independent fuel storage, for instance for industry or households, and wherein the methane gas is used as fuel for heating purposes.

Description

USE OF A GAS STORAGE DEVICE AS AN INDEPENDENT FUEL STORAGE FOR
HEATING PURPOSES
The invention relates to the use of a gas storage device as an independent fuel storage for heating purposes.
Independent fuel storage is known in for instance industry or households which are not connected to a natural gas grid or cannot be connected to such a grid. The independent fuel storage is generally provided in the vicinity of the location where the fuel is used. For reasons of sufficient energy content, also referred to as the calorific value, LPG (liquified petroleum gas) is usually used as fuel for independent fuel storage. LPG is a mixture of butane gas and propane gas which has been made liquid. LPG is stored in relatively large independent storage tanks, from which the fuel is guided in gas form through a conduit system to for instance a heating installation to be used as fuel.
A drawback of this method of storage is that LPG is a relatively dangerous fuel, and many safety provisions must therefore be made in order to prevent the risk of explosions. Combustion of LPG moreover contributes toward air pollution, even though it is a relatively clean fossil fuel.
The invention has for its object to provide an alternative independent fuel storage, which is suitable as fuel storage for heating purposes and the use of which is moreover economically attractive.
The invention provides for this purpose a use of a gas storage device having present therein under a high pressure of at least 100 bar methane gas with a methane content of at least 95% by volume as an independent fuel storage, for instance for industry or households, and wherein the methane gas is used as fuel for heating purposes.
The methane gas can for instance originate from natural gas or biogas, or a mixture thereof. A pretreatment of the crude gas is necessary to achieve a methane content of 95% by volume, wherein contamination and residual gases are removed. During the pretreatment the gas is optionally made liquid, and subsequently restored to the gas phase.
A methane content is preferably applied of at least 96% by volume, more preferably at least 97% by volume, most preferably at least 98% by volume.
Owing to the increased methane content the methane gas used in the invention has a sufficiently high calorific value to form a realistic alternative to LPG. In this respect it is also referred to as xhigh-calorific methane gas' because it generally has a 20% higher calorific value than naturally obtained natural gas, which contains the inevitable contaminants. The fuel based on high-calorific methane gas has been found highly suitable for heating purposes.
For the purpose of the invention the gas is stored under high pressure of at least 100 bar, preferably 200 bar, most preferably 300 bar. Within the technical possibilities the storage device can thus take a relatively small form.
Calculations have shown that an economically advantageous alternative to LPG is thus provided for use as independent fuel storage.
By using such methane gas for the invention significant advantages are moreover made possible relative to LPG: it is a safer fuel than LPG and it is the least environmentally polluting fossil fuel per heat unit during combustion.
It is noted by the way that compressed natural gas is known in a general sense, and more specifically the use thereof as fuel for the automobile industry: since the 1970s and 1980s compressed natural gas has been applied as alternative fuel for combustion engines. The step in the direction of the specific high-methane content according to the invention, and this in combination with the use for heating purposes, has however never been made or considered before now.
Methane gas originating from biogas is preferably used in the invention. The use of biogas as a source of methane gas has the advantage that it is in fact not a fossil fuel, and does not therefore impact upon the finite supplies thereof.
A gas storage device comprising gas cylinders is preferably used in the invention. This form of gas storage has already been found highly suitable in practice for storage under the preferred high pressure, and can thus be applied directly for the purpose of this invention. The gas cylinders are highly suitable for transport, so they can be easily placed for the application as independent fuel storage. Used tanks can moreover be exchanged for filled tanks in simple manner by setting up a distribution system based on transport of the gas cylinders by road. Such a distribution system for this fuel precludes the risks associated with the refilling of tanks at the location of the storage device, as is the case for LPG storage.
In the invention the gas storage device is more preferably coupled on the outflow side to a pressure valve for reducing the pressure under which the methane gas flows out . Such a pressure valve is effective in reducing the high pressure in the storage to a level at which the gas is used as fuel. The gas pressure valve for instance achieves a reduction of up to 3 mbar of overpressure .
In a subsequent advantageous variant of the invention the gas storage device is coupled to a conduit system through which the methane gas is guided under reduced pressure to a location of use as fuel. The actual use of the fuel gas is in this way made possible. Existing conduit systems can usually be used here, provided they can withstand the pressure of the gas. The gas storage device and/or the conduit system is provided with coupling means known in the art in order to obtain said coupling therebetween.
In the invention the methane gas is preferably used as fuel for heating water vessels, for instance for boilers or central heating .
The accompanying Figure 1 illustrates a preferred embodiment of the invention, in which: A system 1 of an independent fuel storage is shown schematically on the basis of a gas storage device in the form of two cylinders 2. Cylinders 2 can vary in number between 2 and 10, the internal volume per cylinder lies between 50 and 80 litres of water volume, the operating pressure in the cylinder lies between 100 and 300 bar.
Cylinders 2 are provided with a first pressure-reducing valve 4, and conduits 5 come together in a three-way valve 6 provided with a second pressure-reducing valve. Three-way valve 6 makes it possible to switch between the two cylinders 2 when the one has for instance become empty. Via conduit 7, a non-return valve 8 and a three-way valve 10 the conduit runs into the main conduit 11, in which a pressure of between 50 mbar and 3 bar is maintained. Three-way valve 10 is connected via conduit 9 to a gas storage device (not shown) , as indicated on the left-hand side with reference numerals 2,4,5 and 6. Using three-way valve 10 it is possible to opt between two groups of gas storage devices. This increases the capacity of the overall gas storage device and can serve for use when the gas storage device on the left is being replaced or refilled. The three-way valves can moreover be adjusted such that, when a preset minimum value of the pressure is reached in a gas cylinder, this cylinder is automatically closed off from conduit 11.
Finally, control valve 12 reduces the pressure in the conduit to a value of 3 mbar to 50 mbar, this being the pressure of the outflowing gas in outflow conduit 14. Outflow conduit 14 is coupled to the gas conduit of a house or an industrial installation.

Claims

Claims
1. The use of a gas storage device (2) having present therein under a high pressure of at least 100 bar methane gas with a methane content of at least 95% by volume as an independent fuel storage (1) , for instance for industry or households, and wherein the methane gas is used as fuel for heating purposes.
2. The use of a gas storage device (2) as claimed in claim 1, wherein the methane gas originates from biogas.
3. The use of a gas storage device (2) as claimed in claim 1 or 2, wherein the gas storage device comprises gas cylinders (2) .
4. The use as claimed in any of the foregoing claims, wherein the gas storage device (2) is coupled on the outflow side to a pressure valve {4,6} for reducing the pressure under which the methane gas flows out.
5. The use as claimed in any of the foregoing claims, wherein the gas storage device (2) is coupled to a conduit system {5,7,9,11,14} through which the methane gas is guided under reduced pressure to a location of use as fuel.
6. The use as claimed in any of the foregoing claims, wherein the methane gas is used as fuel for heating water vessels, for instance for boilers or central heating.
PCT/NL2010/050780 2009-11-23 2010-11-22 Use of a gas storage device as an independent fuel storage for heating purposes WO2011062497A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2003848A NL2003848C2 (en) 2009-11-23 2009-11-23 USE OF A GAS STORAGE DEVICE FOR INDEPENDENT FUEL STORAGE.
NL2003848 2009-11-23

Publications (1)

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WO2011062497A1 true WO2011062497A1 (en) 2011-05-26

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Application Number Title Priority Date Filing Date
PCT/NL2010/050780 WO2011062497A1 (en) 2009-11-23 2010-11-22 Use of a gas storage device as an independent fuel storage for heating purposes

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678042A (en) * 2020-05-22 2020-09-18 湖州贝德流体设备有限公司 Semi-automatic switching system of ASC

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE19843669C1 (en) * 1998-09-23 2000-03-16 Hermann Josef Winter Tap installation for filling gas tank with methane has gas accumulator and emission device for feeding gas into tank
WO2007077376A2 (en) * 2006-01-06 2007-07-12 L'air Liquide Societe Anonyme Pour L'etude Et L'eyploitation Des Procedes Georges Claude Method and device for filling pressure gas containers
WO2008053238A2 (en) * 2006-11-02 2008-05-08 Snc-Lavalin Uk Limited System for charging and discharging containers for storage & transportation of high pressure compressed gas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19843669C1 (en) * 1998-09-23 2000-03-16 Hermann Josef Winter Tap installation for filling gas tank with methane has gas accumulator and emission device for feeding gas into tank
WO2007077376A2 (en) * 2006-01-06 2007-07-12 L'air Liquide Societe Anonyme Pour L'etude Et L'eyploitation Des Procedes Georges Claude Method and device for filling pressure gas containers
WO2008053238A2 (en) * 2006-11-02 2008-05-08 Snc-Lavalin Uk Limited System for charging and discharging containers for storage & transportation of high pressure compressed gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678042A (en) * 2020-05-22 2020-09-18 湖州贝德流体设备有限公司 Semi-automatic switching system of ASC

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