EP1004779A2 - Procédé et dispositif pour l'alimentation et pour la récupération de gaz - Google Patents

Procédé et dispositif pour l'alimentation et pour la récupération de gaz Download PDF

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Publication number
EP1004779A2
EP1004779A2 EP99122145A EP99122145A EP1004779A2 EP 1004779 A2 EP1004779 A2 EP 1004779A2 EP 99122145 A EP99122145 A EP 99122145A EP 99122145 A EP99122145 A EP 99122145A EP 1004779 A2 EP1004779 A2 EP 1004779A2
Authority
EP
European Patent Office
Prior art keywords
pressure
gas
stacking
container
containers
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
EP99122145A
Other languages
German (de)
English (en)
Other versions
EP1004779A3 (fr
EP1004779B1 (fr
Inventor
Gottfried Hanifl
Ernst Dr.Dipl-Ing. Wandke
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.)
Linde GmbH
Original Assignee
Linde 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
Priority claimed from DE19940834A external-priority patent/DE19940834A1/de
Application filed by Linde GmbH filed Critical Linde GmbH
Publication of EP1004779A2 publication Critical patent/EP1004779A2/fr
Publication of EP1004779A3 publication Critical patent/EP1004779A3/fr
Application granted granted Critical
Publication of EP1004779B1 publication Critical patent/EP1004779B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14—Energy-recuperation means
    • 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
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed 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
    • 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
    • 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
    • F17C2227/043—Methods for emptying or filling by pressure cascade

Definitions

  • the invention relates to a method for gas supply and gas recovery under Use of a gaseous medium in at least one stacking container is stored under pressure and from the stacking container if necessary via a Pressure converter to a consumer (supply) and from the consumer optionally via a pressure converter to at least one stacking container or passed to another stacking container (recovery).
  • the invention further relates to a device for gas supply and recovery using a gaseous medium comprising at least one stacking container for storing the medium under pressure and one or more connections from to the at least one stacking container, possibly via a pressure converter a consumer (supply) and from the consumer, if necessary, via a Pressure converter to or to another stacking container (recovery).
  • Such methods and devices are used, for example, in gas supply a hot isostatic press and used in high pressure gas quenching.
  • gas supply a hot isostatic press and used in high pressure gas quenching.
  • HIP hot isostatic pressing
  • the gas is mostly in liquid form in a low-temperature storage tank (storage tank) at max. 18 bar stored.
  • a pressure booster and a high pressure evaporator the gas is pumped into a stacking container depending on the required pressure and temperature, the gas from the buffer tank, in which the gas is stored in gaseous form at the required pressure (up to 300 bar) is introduced into the HIP system until the pressure equalization of the two systems. Should however, the pressure in the HIP system must be too low, so the pressure converter must be used The required quantity and pressure of the buffer tank can be pumped in again.
  • the gas is raised by the furnace integrated in the HIP system Heated 1000 ° C, which increases the pressure, for example, to 1000 bar.
  • the pressure in the HIP system is released and returning the gas to the buffer tank until the pressure equalization of the two Systems. Then the gas, which is still in the HIP system is pumped into the buffer. Due to the construction of the pressure transducer there is still residual gas in the HIP system, which is blown off into the open as a loss becomes.
  • Another example is high-pressure gas quenching. With this procedure are annealed (heated) materials, preferably steel, by compressed gases quickly quenched into a hardness structure, then in a follow-up process to be remunerated (tempered) for specific applications. To this quenching process is realized - similar to the example already described for hot isostatic Pressing - a pressure container (consumer) from a stack container Working pressure filled and relaxed to atmospheric pressure after the process.
  • the disadvantages are that the stored in the compressed gas (Pressure) energy is not used or is only used or recovered to a sufficient extent, and the associated high gas losses are present.
  • the present invention is therefore based on the object of a method and Show device of the type mentioned, which the gas supply and - Improve recovery while avoiding the disadvantages mentioned. It should especially the (pressure) energy - depending on the practical task and the local conditions - as optimal as possible for reducing gas consumption and the necessary external energy.
  • the invention is based on the fact that so far only one stacking container has been replaced through two or more stacking containers, the operating pressures of which are cascaded are.
  • the individual stacking containers can both in their volumes the design can also be adapted to the specific application conditions.
  • stacking container also includes buffer containers detected.
  • a general filling process takes place in that - as in the figure shown - the consumer first from the first container (container 1 has the lowest, container 5 in the figure the highest operating pressure) up to a set first pressure level, which is measured by a sensor.
  • the sensor closes the first container and opens a second container up to one certain pressure. Then this second container is also closed and the next container opened. This sequence continues until the desired one is reached Working pressure continued.
  • handling is carried out in the reverse order. First of all into the container with the next lower actual pressure (e.g. after container 5 in container 4) relaxed and then in the reverse order described. After this The residual gas in the consumer can relax in the first container (container 1) discarded (e.g. relaxed into the atmosphere). The residual gas can also over a cleaning and filtering stage or another use, e.g. one Combustion in a heating system.
  • the storage container (tank) forth, possibly via a pressure booster system, the stacking containers again brought their initial pressure.
  • the amount of gas required for filling up lies well below the amount of gas to be supplied in the prior art. It can vary Technology and design up to 90% gas and up to 95% compression energy be saved.
  • the physical force for gas transport is advantageously determined from the difference of State variables of the medium obtained.
  • the physical force preferably results for gas transport either from a different pressure and / or from different Operating temperature between the containers (also between consumers and stacking containers).
  • means for transferring those present in a gas can be used Pressure energy on the stacking container without mixing this gas with that in the Stacking gas can be provided.
  • the invention can be used in such a way that the pressure of the gas already used via means for (pre) compressing a stacking container of a (suitable) pressure level is used (e.g. by means of an appropriate device).
  • this Means are a balloon arranged in the container or a suitable piston ratio (pneumatic translation).
  • the stacking containers within the scope of the invention can also be piped together Be a bundle of bottles.
  • the liquid gas storage tank (storage tank) may be used to a higher pressure, e.g. 36 bar, designed.
  • This type of filling means that the same stack volume is used without external energy (Buffer size) and more gas into the HIP system at the same pressure conditions depressed than in the previously usual method. It is therefore not in most cases necessary to feed gas through the pressure transducer, but very well if the HIP system has leaks.
  • the temperature gradient is used first the last cascade 5 between the HIP system and the containers maximum pressure of the cascade filled. Then the other cascades filled up to the maximum pressure or until pressure equalization.
  • the cascades can always be filled by the HIP system and do not have to be filled by a pressure transducer. The amount of gas lost from the liquid tank (e.g. at 36 bar) by pressure equalization in the first cascade filled. In most cases, therefore, it is not necessary to fill the Cascades to pump gas into the cascades by increasing the pressure.
  • the steel is quenched in a high-pressure gas plant, a so-called cold chamber, instead of in the generally customary oil bath.
  • a high-pressure gas plant a so-called cold chamber, instead of in the generally customary oil bath.
  • the batch (the workpiece) is transported from the furnace at the annealing temperature into the cold chamber, the cold chamber is closed, with gas, in this case with hydrogen (other gases such as He, N 2 , CO 2 etc. or their mixtures are also conceivable) to 20 bar.
  • gas in this case with hydrogen (other gases such as He, N 2 , CO 2 etc. or their mixtures are also conceivable) to 20 bar.
  • the system was previously covered from a single stacking container with a corresponding pressure difference and expanded into a second stacking container for recycling. The gas in the stacking container is pressed into the first stacking container by means of a compressor for recycling. The remaining amount in the cold chamber must be discarded.
  • the filling-side stacking container is, for example, two stacking containers, for example the first with an operating pressure of up to 20 bar, the second with an operating pressure up to 35 bar.
  • the cold chamber is now covered two-stage, first from the first stacking container, then - sensor and computer controlled - From the second stacking container to operating pressure. Because different here In example 1, the temperature difference between the consumer and the container is missing Emptying only possible in one step, in the first stacking container. So far for the relaxation used stacking container is eliminated. The gas losses and thus the In this case, pressure losses must come from the storage tank (high-pressure tank) the second stacking container are balanced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Gas Separation By Absorption (AREA)
  • Pipeline Systems (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
EP99122145A 1998-11-27 1999-11-05 Procédé et dispositif pour l'alimentation et pour la récupération de gaz Expired - Lifetime EP1004779B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19854935 1998-11-27
DE19854935 1998-11-27
DE19940834A DE19940834A1 (de) 1998-11-27 1999-08-27 Verfahren und Vorrichtung zur Gasversorgung und Gasrückgewinnung
DE19940834 1999-08-27

Publications (3)

Publication Number Publication Date
EP1004779A2 true EP1004779A2 (fr) 2000-05-31
EP1004779A3 EP1004779A3 (fr) 2003-05-28
EP1004779B1 EP1004779B1 (fr) 2005-06-29

Family

ID=26050435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99122145A Expired - Lifetime EP1004779B1 (fr) 1998-11-27 1999-11-05 Procédé et dispositif pour l'alimentation et pour la récupération de gaz

Country Status (6)

Country Link
EP (1) EP1004779B1 (fr)
AT (1) ATE298842T1 (fr)
CZ (1) CZ298786B6 (fr)
ES (1) ES2245066T3 (fr)
HU (1) HUP9904423A3 (fr)
PL (1) PL191693B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8286670B2 (en) 2007-06-22 2012-10-16 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for controlled filling of pressurized gas tanks
WO2012175694A3 (fr) * 2011-06-22 2013-02-21 Deutsches Institut Für Lebensmitteltechnik E.V. Récipient de chargement et procédé de traitement simultané par haute pression et par voie thermique d'un produit alimentaire dans une cuve haute pression
CN103586472A (zh) * 2013-10-30 2014-02-19 宁波恒普真空技术有限公司 金属粉末注射成形真空脱脂烧结炉的温度串级控制方法
WO2018219445A1 (fr) * 2017-05-31 2018-12-06 Quintus Technologies Ab Agencement de pressage
EP3366146B1 (fr) 2017-02-23 2020-06-24 Natura Foodtec Holding B.V. Dispositif et procédé de traitement de denrées alimentaires

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL44397C (fr) * 1934-11-14
US4750869A (en) * 1984-05-09 1988-06-14 Booster Technologies, Inc. Method and apparatus for boosting gas from a low-pressure source to a high-pressure receptacle
SE454382B (sv) * 1986-09-02 1988-04-25 Aga Ab Sett vid tomning av med gas fyllda behallare samt anordning for genomforande av settet
US5479966A (en) * 1993-07-26 1996-01-02 Consolidated Natural Gas Service Company, Inc. Quick fill fuel charge process
DE4422588C2 (de) * 1994-06-28 1999-09-23 Ald Vacuum Techn Gmbh Verfahren zum Abschrecken von Werkstücken durch Gase und Wärmebehandlungsanlage zur Durchführung des Verfahrens
US5676180A (en) * 1996-03-13 1997-10-14 Teel; James R. Method and system for storing and hydraulically-pressurizing compressed natural gas (CNG) at an automotive re-fuel station
JP4124838B2 (ja) * 1996-04-26 2008-07-23 株式会社神戸製鋼所 圧媒ガスの供給装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8286670B2 (en) 2007-06-22 2012-10-16 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for controlled filling of pressurized gas tanks
WO2012175694A3 (fr) * 2011-06-22 2013-02-21 Deutsches Institut Für Lebensmitteltechnik E.V. Récipient de chargement et procédé de traitement simultané par haute pression et par voie thermique d'un produit alimentaire dans une cuve haute pression
US9545122B2 (en) 2011-06-22 2017-01-17 Deutsches Institut Für Lebensmitteltechnik E.V. Feed tank and method for the simultaneous high-pressure and temperature treatment of a food item in a high-pressure tank
EP2698067A3 (fr) * 2011-06-22 2017-11-08 Deutsches Institut für Lebensmitteltechnik e.V. Agencement de plusieurs récipients sous pression disposés en cascade
CN103586472A (zh) * 2013-10-30 2014-02-19 宁波恒普真空技术有限公司 金属粉末注射成形真空脱脂烧结炉的温度串级控制方法
CN103586472B (zh) * 2013-10-30 2015-06-17 宁波恒普真空技术有限公司 金属粉末注射成形真空脱脂烧结炉的温度串级控制方法
EP3366146B1 (fr) 2017-02-23 2020-06-24 Natura Foodtec Holding B.V. Dispositif et procédé de traitement de denrées alimentaires
WO2018219445A1 (fr) * 2017-05-31 2018-12-06 Quintus Technologies Ab Agencement de pressage
US11780192B2 (en) 2017-05-31 2023-10-10 Quintus Technologies Ab Pressing arrangement

Also Published As

Publication number Publication date
ATE298842T1 (de) 2005-07-15
ES2245066T3 (es) 2005-12-16
EP1004779A3 (fr) 2003-05-28
EP1004779B1 (fr) 2005-06-29
HUP9904423A3 (en) 2004-07-28
PL336609A1 (en) 2000-06-05
HU9904423D0 (en) 2000-02-28
PL191693B1 (pl) 2006-06-30
CZ298786B6 (cs) 2008-01-30
HUP9904423A2 (hu) 2001-02-28
CZ9904243A3 (cs) 2001-02-14

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