EP0908665A2 - Conteneur de gaz pour mesurer - Google Patents

Conteneur de gaz pour mesurer Download PDF

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Publication number
EP0908665A2
EP0908665A2 EP98117220A EP98117220A EP0908665A2 EP 0908665 A2 EP0908665 A2 EP 0908665A2 EP 98117220 A EP98117220 A EP 98117220A EP 98117220 A EP98117220 A EP 98117220A EP 0908665 A2 EP0908665 A2 EP 0908665A2
Authority
EP
European Patent Office
Prior art keywords
gas
pressure
pressurized gas
gas container
pressurized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98117220A
Other languages
German (de)
English (en)
Other versions
EP0908665B1 (fr
EP0908665A3 (fr
Inventor
Johann Pongraz
Ulrich Klebe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide Deutschland GmbH
Messer Group GmbH
Original Assignee
Messer Griesheim GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of EP0908665A2 publication Critical patent/EP0908665A2/fr
Publication of EP0908665A3 publication Critical patent/EP0908665A3/fr
Application granted granted Critical
Publication of EP0908665B1 publication Critical patent/EP0908665B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • 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
    • F17C2205/03—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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • 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
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—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
    • F17C2223/035—High pressure (>10 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
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • 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
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/044—Methods for emptying or filling by purging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • F17C2227/045—Methods for emptying or filling by vacuum
    • 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
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • 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
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—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
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0439—Temperature
    • 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
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0447—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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0491—Parameters measured at or inside the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0495—Indicating or measuring characterised by the location the indicated parameter is a converted measured parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/024—Improving metering
    • 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
    • F17C2265/02—Mixing fluids
    • F17C2265/025—Mixing fluids different fluids

Definitions

  • the invention relates to a compressed gas container with one or more openings for connecting sensors.
  • the manometric method is based on measuring the change in pressure after adding the individual gas components.
  • the Gas components in succession up to a defined pressure in the Pressurized gas bottle filled the pressure increase during a filling step is at least several bars.
  • Gas mixtures with one component in the Trace areas are produced using mother mixtures which are used in the Pressurized gas cylinder submitted in excess pressure and with the main component up be filled up for final pressure.
  • the pressure measurement was previously carried out before Pressurized gas bottle in the gas pipeline. Due to pressure drops at Constrictions in the gas pipeline path, especially on the gas cylinder valve, can the measured pressure deviate significantly from the pressure in the gas bottle (when applying overpressure or underpressure). A precise one Pressure measurement during gas filling is therefore not with the desired reliability possible.
  • the invention has for its object requirements for an accurate Pressure measurement when filling gases in compressed gas containers and at Creating gas mixtures in pressurized gas containers.
  • the pressurized gas container is preferably a pressurized gas bottle, e.g. Legs Commercially available compressed gas bottle with 50, 40, 20, 10, 5, 2, 1 or 0.5 liters Bottle volume with one or more openings next to the opening for the cylinder valve is provided. The openings are used to hold z.
  • Pressurized gas containers according to the invention in particular pressurized gas bottles and Pressure cans are referred to below as measuring containers.
  • Pressurized gas cylinders are usually not added for safety reasons Provide openings (e.g. holes).
  • the modification of pressurized gas containers according to the invention taking safety precautions or Safety requirements are justifiable for measurement purposes.
  • High pressure area e.g. B. 10 to 350 bar, is the use of modified Compressed gas cylinders possible under appropriate safety precautions.
  • the measuring container is advantageous in the application (e.g. for pressure measurement) connected in parallel to other compressed gas tanks. It is particularly advantageous if the measuring container is made from a pressurized gas container that parallel connected compressed gas tanks. If the containers are identical the same conditions then prevail in the measuring container as in the Pressurized gas containers for gas filling. The measuring container is easily in one Filling level can be integrated.
  • the measuring container is suitable, for example, for measuring pressure and / or Temperature.
  • Temperature sensors e.g. thermocouples
  • the measuring container is suitable, for example, for measuring pressure and / or Temperature.
  • Openings can also be used for guest removal for analysis purposes, e.g. B. in connection with high pressure metering valves or shut-off valves. Based several openings, e.g. B. along the longitudinal axis of the pressurized gas container, the local gas composition can be determined, especially for testing the Homogeneity of gas mixtures or to determine gas stratification in the Gas mixture production.
  • the gas composition can be determined using gas samples taken or determined online. Analysis methods are e.g. B. Mass spectrometry or infrared spectroscopy, especially FT-IR spectroscopy.
  • the openings can also be used to hold probes for examining the Serve the inner surface of pressurized gas containers (e.g. endoscope; spectroscopic Surface investigations; Gas analysis using mass spectrometry). For example, adsorption and desorption processes for quality control are recorded (e.g. change in gas composition using mass spectrometry).
  • pressurized gas containers e.g. endoscope; spectroscopic Surface investigations; Gas analysis using mass spectrometry.
  • adsorption and desorption processes for quality control are recorded (e.g. change in gas composition using mass spectrometry).
  • the openings in the pressurized gas container wall are preferably threaded provided, e.g. B. Conical threads such as NPT 1/16 inch to NPT 1 ⁇ 4 inch. 1/16 and 1 ⁇ 4 Inch threads can e.g. B. at least 5 mm wall thickness. Threaded openings are particularly suitable for use in high pressure areas. Soldered or welded connections are generally used Low pressure range (e.g. for thin-walled containers such as pressure cells).
  • the measuring container can be used particularly advantageously for precise pressure measurement in manometric processes for the production of gas mixtures.
  • gas dosing with partial pressure measurement e.g. B. for pressures below 1000 mbar
  • the measuring container with pressure measuring device ensures exact and transferable measured values for the compressed gas containers during gas filling.
  • the partial pressure of the secondary component in the compressed gas containers can be precisely determined.
  • the vacuum measuring tubes are usually located relatively close to the filling stations in the suction area of the vacuum pumps. (Pressure gauges are usually located in the filling pipe system). The pressure in the compressed gas bottle is not measured with sufficient accuracy. This problem is solved with the measuring container connected in parallel to the filling compressed gas cylinders ( Dummy bottle ”) solved, which is preferably equipped with one or more gas-independent absolute pressure measuring tubes and thus reflects the real pressure in each compressed gas bottle.
  • the measuring container can either be shut off from the filling gas line or it can a shut-off valve between the measuring container and the measuring device which is closed as soon as the permissible measuring pressure range is exceeded It can be advantageous to use several measuring containers, eg a measuring container for measuring in the low pressure range and a measuring container in the medium and high pressure range.
  • the commonly used vacuum measuring tubes e.g. B. Thermovac, Pirani or Due to the measuring principle, Penning measuring tubes are strongly dependent on the type of gas Pressure measurement.
  • the pressure display in these measuring devices is not is linear.
  • measuring systems are preferred which allow an absolute pressure measurement independent of the gas type.
  • An absolute pressure measurement that is independent of the gas type can be used, for example Pressure measuring devices such as capacity gauges (e.g. device with the designation 600 Barocel® from Edwards, USA; Measuring ranges: 0-10, 0-100, 0-1000 mbar) respectively.
  • capacity gauges e.g. device with the designation 600 Barocel® from Edwards, USA; Measuring ranges: 0-10, 0-100, 0-1000 mbar
  • the inlet pressure directs a thin, membrane welded radially in the housing opposite a fixed electrode both electrodes form a capacitor. This leads to a Change in capacity after electronic signal processing via the control and Display electronics is directly proportional to the pressure.
  • As an output signal a linear DC voltage is supplied.
  • the reference electrode is in one Reference ultra-high vacuum space that is long-term stable thanks to chemical getters.
  • Gas-independent measuring tubes for capacitive measurement are for pressures of for example 0.0001 mbar to 1000 mbar available.
  • the measuring container advantageously contains an external connection Evacuation option for faster calibration of vacuum measuring tubes:
  • the Connection is for example attached to the side of a compressed gas bottle.
  • the use of the measuring container is advantageous for all manometric Process for the preparation of gas mixtures, in particular in the Pressure measurement in processes for the production of gas mixtures in Pressurized gas containers where, in at least one step, a pressure of a Gases is roughly specified (coarse pressure) and then a smaller more precise Pressure (fine pressure) in the compressed gas container with the help of a vacuum is set.
  • the fine pressure is, for example, in the range from 0.0001 to 1000 mbar 15 ° C.
  • the use of the measuring container is particularly advantageous during production a gas mixture with a main component and one Secondary component, which in a small concentration, for. B. in the trace area, is present.
  • the filling and metering takes place advantageous first with the gas component to be produced in the
  • the gas mixture is in the lowest concentration (secondary component) because the first dosing step in the process with the greatest accuracy can be executed.
  • the flushed, conditioned and evacuated compressed gas container is with the filled the first gas component.
  • the first gas component is filled initially up to a coarse print that is larger than the actual one Dosing pressure, through which the amount of the gas component is determined.
  • Coarse pressure is generally in the range of 0.1 to 10 bar, preferably in the range from 0.1 to 5 bar and particularly preferably in Range from 0.8 to 1.5 bar, depending on the fine pressure to be set.
  • Fine print and coarse print should be so far apart that one Dosing by means of vacuum can be carried out well. This is for example, if the fine pressure is about 10 percent below the Coarse pressure value. Especially if the fine impression is below 100 millibars, especially less than 10 millibars, the change is made Pressure when applying the vacuum slowly, so that the desired value of the fine impression can be set very precisely. At fine pressures above The setting of the fine pressure by throttling can be 10 millibars (Valve) in the vacuum line.
  • the dosage of more Gas components are carried out additively as in conventional manometric processes by filling up to a specified dosing pressure. Filling with the proportionately largest gas component (main component) is advantageous as last step carried out, this gas component is up to the last dosing pressure, that is the filling pressure of the pressure container with the finished one Gas mixture, filled up.
  • main component the proportionately largest gas component
  • this gas component is up to the last dosing pressure, that is the filling pressure of the pressure container with the finished one Gas mixture, filled up.
  • the measuring container allows small partial pressures due to the precise Pressure measurement also a direct gas metering (additive gas metering) in the Vacuum (i.e. at a pressure below one bar).
  • Conditioning and filling the compressed gas tank with the Gas components can be operated simultaneously with several pressurized gas containers (e.g. 1 to 100 pressurized gas containers) at the filling station.
  • pressurized gas containers e.g. 1 to 100 pressurized gas containers
  • On the stockpiling of mother mixtures as well as complex gravimetric dosing can be dispensed with, so that gas mixtures with gas components are lower Concentration can be made directly.
  • a compressed gas cylinder which has been thermally conditioned and filled with a preservation gas (e.g. nitrogen gas) at a pressure of up to 3 bar, is brought to an internal pressure of approximately atmospheric pressure by releasing gas.
  • the compressed gas bottle is then evacuated to a pressure of approximately 10 millibars using a vacuum pump (e.g. oil-free membrane pump). This corresponds to a pressure reduction of approx. 2 powers of ten.
  • the evacuated compressed gas bottle is flooded with the gas of the secondary component to be fed in to a pressure in the range from 800 to about 1000 millibars.
  • the evacuation and flooding with the gas of the secondary component is carried out twice, three times or more, depending on the purity requirement and the composition of the gas mixture.
  • the rinsing and the subsequent steps are preferably carried out at room temperature (20 to 25 ° C).
  • the compressed gas bottle is now filled with the gas of the secondary component at approximately atmospheric pressure and the inner surface is brought into equilibrium with the gas of the secondary component.
  • the compressed gas bottle is now conditioned.
  • the actual metering of the secondary component is carried out by evacuation (removal of gas) to the desired fine pressure, which corresponds to the partial pressure of the secondary component in the finished, compressed gas mixture.
  • the necessary pressure can be determined theoretically (e.g. using a gas equation such as the ideal gas law or using a calculation model) or empirically (e.g. using gas analyzes). If the fine pressure of the secondary component has been set, the metering of the secondary component is complete. In this way, secondary components such. B.
  • the main component of the gas mixture is now pressed onto the final pressure (filling pressure) in the compressed gas bottle, for example 200 bar. This can be done by means of a compressor or by connecting a storage tank of a gas supply (gas of the main component) with higher pressure (e.g. 350 bar).
  • the filling with the main component can also be checked gravimetrically.
  • the figure shows schematically a measuring container 1 with examples of Measuring devices 2 (2a, 2b, 2c and 2d: temperature sensor) and 3 (3a, 3b: gas line with shut-off valve and pressure gauge, e.g. B. manometer), gas sampling device 4 and connecting piece 7.
  • the measuring container is parallel to a second Pressurized gas container 5 (or further pressurized gas containers) arranged.
  • the Temperature sensors 2a to 2d are arranged for example in a row Measurement of the temperature profile along the measuring points.
  • the temperature measuring points can e.g. B. in the longitudinal direction (here vertically) of a gas cylinder or circular (horizontal here).
  • the pressure measuring devices 3a and 3b are advantageously provided with a shut-off valve.
  • the gas sampling point 4 is used for taking gas samples for analysis or for online connection of Analysis devices (e.g. mass spectrometer or IR spectrometer).
  • Analysis devices e.g. mass spectrometer or IR spectrometer.
  • Connection piece 7 is preferably used for separate evacuation of the measuring container for the calibration of vacuum measuring devices.
  • Measuring container 1 and compressed gas container 5 are connected via a line to a vacuum pump 6 (arrows show the direction of the Gas flow when applying vacuum) and / or a gas source 6 (z. B. compressor with storage gas containers).
  • Another object of the invention is a method for filling Pressurized gas containers with gas or the production of gas mixtures in Pressurized gas containers, whereby a physical or chemical examination by means of a measuring container.
  • Physical examinations are e.g. B. pressure or temperature measurement. Chemical tests are e.g. B. Analyzes to determine the Gas composition, which can include physical methods. As Chemical investigations are also analyzes using infrared spectroscopy or mass spectrometry viewed.
EP98117220A 1997-10-09 1998-09-11 Conteneur de gaz pour mesurer Expired - Lifetime EP0908665B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19744559A DE19744559C2 (de) 1997-10-09 1997-10-09 Meßgasbehälter
DE19744559 1997-10-09

Publications (3)

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EP0908665A2 true EP0908665A2 (fr) 1999-04-14
EP0908665A3 EP0908665A3 (fr) 1999-09-01
EP0908665B1 EP0908665B1 (fr) 2006-11-02

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EP (1) EP0908665B1 (fr)
AT (1) ATE344419T1 (fr)
DE (2) DE19744559C2 (fr)

Cited By (5)

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EP1043540A2 (fr) * 1999-04-08 2000-10-11 Messer Griesheim Gmbh Dispositif de remplissage pour la fabrication de mélanges de gaz précis
WO2006108976A2 (fr) * 2005-04-13 2006-10-19 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procede de controle du remplissage de bouteilles de gaz
DE102006016554A1 (de) * 2006-04-07 2007-10-11 L'Air Liquide, S.A. a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Verfahren zum Befüllen mindestens eines Druckgasbehälters mit mindestens einem Gas, Zwischenstück zum Verbinden mit einer Öffnung eines Druckgasbehälters und Druckgasflaschenarmatur
CN103041724A (zh) * 2012-12-13 2013-04-17 西南化工研究设计院有限公司 新型静态体积法配气装置及其配气的方法
CN112881105A (zh) * 2021-01-28 2021-06-01 王欣丽 一种室内土壤微生物呼吸连续测定装置

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DE19959102A1 (de) * 1999-12-08 2001-06-21 Messer Griesheim Gmbh Innenbesichtigung von Gasflaschen
DE102008015395A1 (de) * 2008-03-20 2009-09-24 L'Air Liquide, S.A. pour l'Etude et l'Exploitation des Procédés Georges Claude Verfahren und Vorrichtung zur Herstellung eines Gasgemisches aus mindestens einer ersten und einer zweiten Komponente

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FR1159016A (fr) * 1956-10-08 1958-06-23 Bouteille à gaz
FR1352976A (fr) * 1963-01-09 1964-02-21 Commissariat Energie Atomique Perfectionnements apportés aux moyens d'obtention et de régulation de températures, notamment de basses températures, dans une enceinte
US4059424A (en) * 1975-02-25 1977-11-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Apparatus for the controlled supply of cryogenic fluid
WO1991003679A1 (fr) * 1989-09-11 1991-03-21 Hellmuth Sitte Dispositif de rechargement en azote liquide
US5370269A (en) * 1990-09-17 1994-12-06 Applied Chemical Solutions Process and apparatus for precise volumetric diluting/mixing of chemicals
US5388720A (en) * 1994-04-15 1995-02-14 Essef Corporation Flanged diffuser and air cell retainer for pressure vessel

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DE1708712U (de) * 1954-12-03 1955-10-13 Mannessmann Ag Transportbehaelter fuer fluessiggase.

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Publication number Priority date Publication date Assignee Title
FR1159016A (fr) * 1956-10-08 1958-06-23 Bouteille à gaz
FR1352976A (fr) * 1963-01-09 1964-02-21 Commissariat Energie Atomique Perfectionnements apportés aux moyens d'obtention et de régulation de températures, notamment de basses températures, dans une enceinte
US4059424A (en) * 1975-02-25 1977-11-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Apparatus for the controlled supply of cryogenic fluid
WO1991003679A1 (fr) * 1989-09-11 1991-03-21 Hellmuth Sitte Dispositif de rechargement en azote liquide
US5370269A (en) * 1990-09-17 1994-12-06 Applied Chemical Solutions Process and apparatus for precise volumetric diluting/mixing of chemicals
US5388720A (en) * 1994-04-15 1995-02-14 Essef Corporation Flanged diffuser and air cell retainer for pressure vessel

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1043540A2 (fr) * 1999-04-08 2000-10-11 Messer Griesheim Gmbh Dispositif de remplissage pour la fabrication de mélanges de gaz précis
EP1043540A3 (fr) * 1999-04-08 2001-01-31 Messer Griesheim Gmbh Dispositif de remplissage pour la fabrication de mélanges de gaz précis
WO2006108976A2 (fr) * 2005-04-13 2006-10-19 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procede de controle du remplissage de bouteilles de gaz
FR2884592A1 (fr) * 2005-04-13 2006-10-20 Air Liquide Procede de controle du remplissage de bouteilles de gaz
WO2006108976A3 (fr) * 2005-04-13 2006-11-30 Air Liquide Procede de controle du remplissage de bouteilles de gaz
DE102006016554A1 (de) * 2006-04-07 2007-10-11 L'Air Liquide, S.A. a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Verfahren zum Befüllen mindestens eines Druckgasbehälters mit mindestens einem Gas, Zwischenstück zum Verbinden mit einer Öffnung eines Druckgasbehälters und Druckgasflaschenarmatur
WO2007115734A1 (fr) * 2006-04-07 2007-10-18 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procede de remplissage d'au moins un recipient a gaz sous pression par au moins un gaz, piece intermediaire destinee a etre reliee a une ouverture d'un recipient a gaz sous pression et robinet pour bouteille a gaz sous pression
JP2009532641A (ja) * 2006-04-07 2009-09-10 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード 少なくとも１つの圧縮ガスタンクに少なくとも１種のガスを充填する方法、圧縮ガスタンクの開口部に連結するための連結器、および圧縮ガスボンベ装置
CN101454609B (zh) * 2006-04-07 2011-09-14 乔治洛德方法研究和开发液化空气有限公司 以至少一种气体灌装至少一个压缩气体容器的方法，与压缩气体容器连接的中间体，和压缩气瓶配件
CN103041724A (zh) * 2012-12-13 2013-04-17 西南化工研究设计院有限公司 新型静态体积法配气装置及其配气的方法
CN112881105A (zh) * 2021-01-28 2021-06-01 王欣丽 一种室内土壤微生物呼吸连续测定装置
CN112881105B (zh) * 2021-01-28 2023-09-12 江苏普朗睿恩生物科技有限公司 一种室内土壤微生物呼吸连续测定装置

Also Published As

Publication number Publication date
DE19744559C2 (de) 2003-03-27
EP0908665B1 (fr) 2006-11-02
DE59813783D1 (de) 2006-12-14
EP0908665A3 (fr) 1999-09-01
DE19744559A1 (de) 1999-04-15
ATE344419T1 (de) 2006-11-15

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