FR2758621A1 - Air gas consumer unit feed procedure, used e.g. for cryogenics - Google Patents
Air gas consumer unit feed procedure, used e.g. for cryogenics Download PDFInfo
- Publication number
- FR2758621A1 FR2758621A1 FR9700628A FR9700628A FR2758621A1 FR 2758621 A1 FR2758621 A1 FR 2758621A1 FR 9700628 A FR9700628 A FR 9700628A FR 9700628 A FR9700628 A FR 9700628A FR 2758621 A1 FR2758621 A1 FR 2758621A1
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- Prior art keywords
- air
- separation device
- gas
- unit
- installation according
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B9/00—Stoves for heating the blast in blast furnaces
- C21B9/10—Other details, e.g. blast mains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
- F25J3/04551—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the metal production
- F25J3/04557—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the metal production for pig iron or steel making, e.g. blast furnace, Corex
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04563—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating
- F25J3/04575—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating for a gas expansion plant, e.g. dilution of the combustion gas in a gas turbine
- F25J3/04581—Hot gas expansion of indirect heated nitrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04593—The air gas consuming unit is also fed by an air stream
- F25J3/046—Completely integrated air feed compression, i.e. common MAC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04593—The air gas consuming unit is also fed by an air stream
- F25J3/04606—Partially integrated air feed compression, i.e. independent MAC for the air fractionation unit plus additional air feed from the air gas consuming unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04612—Heat exchange integration with process streams, e.g. from the air gas consuming unit
- F25J3/04618—Heat exchange integration with process streams, e.g. from the air gas consuming unit for cooling an air stream fed to the air fractionation unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04812—Different modes, i.e. "runs" of operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
- F25J2240/10—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/70—Steam turbine, e.g. used in a Rankine cycle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
La présente invention est relative à un procédé et à une installation d'alimentation d'une unité consommatrice d'un gaz de l'air. The present invention relates to a method and an installation for supplying an air gas consuming unit.
En particulier, elle concerne un procédé et une installation d'alimentation d'une unité consommatrice d'un gaz à température élevée. In particular, it relates to a method and an installation for supplying a unit consuming a gas at high temperature.
II est connu par exemple d'alimenter un haut-fourneau en un gaz enrichi en oxygène utilisant une installation comportant une soufflante (1) qui comprime une grande quantité d'air (Fig. 1). It is known, for example, to supply a blast furnace with an oxygen-enriched gas using an installation comprising a blower (1) which compresses a large quantity of air (FIG. 1).
Cet air est enrichi en oxygène en y mélangeant un débit d'oxygéne pur ou impur provenant d'un appareil de séparation d'air, généralement du type cryogénique. L'air enrichi en oxygène passe ensuite dans un moyen de chauffage (3) du genre cowpers d'où il sort à une température d'environ 1000 "C prêt à être utilisé dans le haut-fourneau. This air is enriched with oxygen by mixing a flow of pure or impure oxygen from an air separation device, generally of the cryogenic type. The oxygen-enriched air then passes through a cowpers-type heating means (3) from which it leaves at a temperature of approximately 1000 "C ready to be used in the blast furnace.
L'injection de charbon pulvérisé aux hauts-fourneaux implique souvent la réduction du débit de vent, donc moins d'air comprimé et une charge moindre du COWPERS qui sert à chauffer l'air. Injecting pulverized coal into blast furnaces often involves reducing the wind flow, therefore less compressed air and a lower load of COWPERS which is used to heat the air.
II est un but de la présente invention d'intégrer les procédés de séparation d'air et d'alimentation d'unité consommatrice d'un gaz de l'air afin de disposer d'une source d'énergie supplémentaire. It is an object of the present invention to integrate the methods of separating air and supplying a unit consuming a gas from the air in order to have an additional energy source.
Un autre but de cette invention est de valoriser le gaz excédentaire aux besoins en gaz de l'air d'une unité consommatrice d'un tel gaz. Another object of this invention is to recover the excess gas from the air gas requirements of a unit consuming such a gas.
Selon un objet de l'invention il est prévu un procédé d'alimentation d'une unité consommatrice d'un gaz de l'air dans lequel on comprime dans un compresseur un débit d'air, on réchauffe le débit comprimé, on divise le débit chauffé en un premier débit qui est envoyé directement à l'unité et un deuxième débit qui est refroidi et envoyé à un appareil de séparation d'air où il est séparé et on envoie un produit de l'appareil de séparation d'air à l'unité. According to an object of the invention there is provided a method for supplying a unit consuming an air gas in which an air flow is compressed in a compressor, the compressed flow is heated, the heated flow in a first flow which is sent directly to the unit and a second flow which is cooled and sent to an air separation device where it is separated and a product is sent from the air separation device to unity.
Selon un autre objet de l'invention il est prévu une installation d'alimentation d'unité consommatrice d'un gaz de l'air comprenant:
un compresseur principal,
un appareil de séparation d'air,
un moyen de chauffage,
des moyens reliant le compresseur principal avec le moyen de chauffage,
des moyens reliant le moyen de chauffage avec l'unité consommatrice d'un gaz de l'air et l'appareil de séparation d'air,
des moyens reliant l'appareil de séparation d'air avec l'unité consommatrice d'un gaz de l'air,
caractérisée en ce que l'appareil de séparation d'air est en aval du moyen de chauffage.According to another object of the invention, an installation for supplying a unit consuming an air gas is provided, comprising:
a main compressor,
an air separation device,
a means of heating,
means connecting the main compressor with the heating means,
means connecting the heating means with the unit consuming an air gas and the air separation device,
means connecting the air separation device with the unit consuming an air gas,
characterized in that the air separation device is downstream of the heating means.
L'invention permet d'utiliser les équipements existants (à savoir, le moyen de compression et le moyen de chauffage), par exemple, le COWPERS et le gaz de haut-fourneau, pour produire ainsi de l'air comprimé et de l'énergie, qui peut avoir plusieurs applications. Par exemple, elle peut couvrir au moins en partie les besoins énergétiques de l'appareil de séparation d'air. The invention makes it possible to use existing equipment (i.e., compression means and heating means), for example, COWPERS and blast furnace gas, to thereby produce compressed air and energy, which can have multiple applications. For example, it can at least partially cover the energy needs of the air separation device.
L'invention se révèle particulièrement intéressante dans le cas où l'unité consommatrice d'un gaz de l'air est un haut-fourneau modifié pour augmenter l'injection de charbon ou un autre combustible. Tout en exploitant les équipements au même régime qu'auparavant, I'utilisateur verra une réduction du coût pour le gaz provenant de l'appareil de séparation, les besoins énergétiques de celui-ci étant au moins partiellement couverts par la génération d'énergie résultant de la valorisation de la chaleur transmise au gaz d'alimentation de l'appareil de séparation d'air. The invention proves to be particularly advantageous in the case where the unit consuming an air gas is a blast furnace modified to increase the injection of coal or another fuel. While operating the equipment at the same rate as before, the user will see a reduction in the cost for the gas coming from the separation apparatus, the energy needs of the latter being at least partially covered by the resulting energy generation recovery of the heat transmitted to the supply gas of the air separation unit.
Les figures 2 et 3 montrent des schémas d'installations selon la présente invention. Figures 2 and 3 show diagrams of installations according to the present invention.
Dans la figure 2, une soufflante 1 comprime de l'air qui est ensuite réchauffé à environ 1000"C dans un moyen de chauffage du type cowpers 2. L'air est ensuite divisé en deux débits dont le premier 7 est envoyé directement à une unité consommatrice d'air enrichi en oxygène, en l'occurence un haut fourneau HF. In FIG. 2, a blower 1 compresses air which is then reheated to approximately 1000 "C in a heating means of the cowpers type 2. The air is then divided into two flows, the first of which 7 is sent directly to a unit consuming oxygen-enriched air, in this case an HF blast furnace.
Un deuxième débit d'air est refroidi, libérant ainsi de la chaleur, jusqu'à la température ambiante ou une température inférieure à la température de l'air à la sortie du moyen de chauffage 2 avant de passer dans un appareil de séparation d'air cryogénique 2 où il est séparé en un débit enrichi en oxygène et un débit enrichi en azote. Si tout l'air pour la distillation n'est pas fourni par le deuxième débit 8, on peut prévoir une source d'air supplémentaire comprenant un compresseur d'air 10 (en pointillés). Le débit enrichi en oxygène Il est soit envoyé au haut fourneau après avoir été mélangé avec le débit 7 soit envoyé à une autre unité consommatrice. A second air flow is cooled, thereby releasing heat, to room temperature or a temperature below the temperature of the air at the outlet of the heating means 2 before passing into a separation device. cryogenic air 2 where it is separated into a flow enriched in oxygen and a flow enriched in nitrogen. If all the air for distillation is not supplied by the second flow 8, an additional air source can be provided, comprising an air compressor 10 (in dotted lines). The oxygen-enriched flow rate It is either sent to the blast furnace after being mixed with flow rate 7 or sent to another consuming unit.
Du charbon en poudre 13 est également envoyé au haut fourneau; éventuellement un autre combustible tel que le gaz naturel peut être utilisé. Coal powder 13 is also sent to the blast furnace; optionally another fuel such as natural gas can be used.
La chaleur libérée en refroidissant l'air destiné à l'appareil de séparation 2 sert à vaporiser de l'eau pour former de la vapeur. La vapeur est ensuite détendue dans la turbine 12 pour produire de l'électricité qui peut être envoyé au réseau ou qui peut servir pour pourvoir aux besoins énergétiques de l'installation (par exemple, pour alimenter la soufflante 1, le compresseur 10 ou un autre compresseur de l'appareil de séparation d'air. The heat released by cooling the air intended for the separation device 2 is used to vaporize water to form vapor. The steam is then expanded in the turbine 12 to produce electricity which can be sent to the network or which can be used to supply the energy needs of the installation (for example, to power the blower 1, the compressor 10 or another compressor of the air separation unit.
La turbine 12 peut également entraîner directement la soufflante ou un des compresseurs. The turbine 12 can also directly drive the blower or one of the compressors.
Dans le cas où la séparation est obtenu par voie noncryogénique(adsorption ou perméation), L'énergie générée par la vapeur peut pourvoir au besoin énergétique de l'installation,comme pour la cryogénie. In the case where the separation is obtained by a noncryogenic route (adsorption or permeation), the energy generated by the steam can provide for the energy requirement of the installation, as for cryogenics.
La chaleur peut bien évidemment servir à chauffer d'autres fluides, directement ou indirectement. The heat can obviously be used to heat other fluids, directly or indirectly.
Par exemple, elle peut chauffer directement un débit enrichi en azote (tel que de l'azote pur) provenant de l'appareil de séparation avant de détendre ce débit, augmentant ainsi le travail produit par la turbine d'azote. For example, it can directly heat a flow enriched in nitrogen (such as pure nitrogen) coming from the separation device before reducing this flow, thus increasing the work produced by the nitrogen turbine.
L'oxygène peut également être chauffé avant d'être mélangé avec le débit 7. Oxygen can also be heated before being mixed with flow 7.
Alternativement, elle peut amener à la température requise un gaz destiné à régénérer l'unité d'épuration d'un appareil de séparation d'air. Alternatively, it can bring to the required temperature a gas intended to regenerate the purification unit of an air separation device.
Dans la figure 3, une soufflante comprime de l'air qui est chauffé à 1100 "C dans un COWPERS 2. L'air est divisé en une première partie 21, envoyée à un haut-fourneau (HF) et une deuxième partie 22 envoyée à une turbine de détente 30. Quand le haut-fourneau est hors service, tout l'air est envoyé soit uniquement à la turbine de détente 30 soit à la turbine 30 et à un appareil de séparation d'air 3. In Figure 3, a blower compresses air which is heated to 1100 "C in a COWPERS 2. The air is divided into a first part 21, sent to a blast furnace (HF) and a second part 22 sent to an expansion turbine 30. When the blast furnace is out of service, all the air is sent either only to the expansion turbine 30 or to the turbine 30 and to an air separation device 3.
L'air détendu dans la turbine 30 est envoyé à une unité de récupération de chaleur 5 constituée par une chaudière 5A et une turbine à vapeur 5B alimentée par la chaudière. The expanded air in the turbine 30 is sent to a heat recovery unit 5 consisting of a boiler 5A and a steam turbine 5B supplied by the boiler.
Eventuellement, I'air chaud 23 peut être envoyé à un appareil de séparation d'air 3. Le gaz enrichi en oxygène produit par cet appareil est envoyé au haut-fourneau (HF) tandis que l'azote rejoint la turbine de détente 30 pour être détendu. Optionally, the hot air 23 can be sent to an air separation device 3. The oxygen-enriched gas produced by this device is sent to the blast furnace (HF) while the nitrogen joins the expansion turbine 30 to To be relaxed.
Claims (33)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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FR9700628A FR2758621B1 (en) | 1997-01-22 | 1997-01-22 | METHOD AND INSTALLATION FOR SUPPLYING AN AIR GAS CONSUMER UNIT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9700628A FR2758621B1 (en) | 1997-01-22 | 1997-01-22 | METHOD AND INSTALLATION FOR SUPPLYING AN AIR GAS CONSUMER UNIT |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2758621A1 true FR2758621A1 (en) | 1998-07-24 |
FR2758621B1 FR2758621B1 (en) | 1999-02-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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FR9700628A Expired - Fee Related FR2758621B1 (en) | 1997-01-22 | 1997-01-22 | METHOD AND INSTALLATION FOR SUPPLYING AN AIR GAS CONSUMER UNIT |
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FR (1) | FR2758621B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005047790A2 (en) * | 2003-11-10 | 2005-05-26 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method and installation for enriching a gas stream with one of the components thereof |
US9797309B2 (en) | 2013-04-09 | 2017-10-24 | David J. Podrog | Hafnium turbine engine and method of operation |
US10119414B2 (en) | 2012-05-08 | 2018-11-06 | David J. Podrog | Hafnium turbine engine and method of operation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB641062A (en) * | 1948-09-01 | 1950-08-02 | Frank Whittle | Improvements in or relating to the manufacture of metals |
FR1209644A (en) * | 1957-10-19 | 1960-03-02 | Sulzer Ag | Wind production installation for blast furnaces |
EP0367428A1 (en) * | 1988-10-15 | 1990-05-09 | The BOC Group plc | Air separation |
EP0503900A1 (en) * | 1991-03-11 | 1992-09-16 | The BOC Group plc | Air separation |
-
1997
- 1997-01-22 FR FR9700628A patent/FR2758621B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB641062A (en) * | 1948-09-01 | 1950-08-02 | Frank Whittle | Improvements in or relating to the manufacture of metals |
FR1209644A (en) * | 1957-10-19 | 1960-03-02 | Sulzer Ag | Wind production installation for blast furnaces |
EP0367428A1 (en) * | 1988-10-15 | 1990-05-09 | The BOC Group plc | Air separation |
EP0503900A1 (en) * | 1991-03-11 | 1992-09-16 | The BOC Group plc | Air separation |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005047790A2 (en) * | 2003-11-10 | 2005-05-26 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method and installation for enriching a gas stream with one of the components thereof |
WO2005047790A3 (en) * | 2003-11-10 | 2005-08-11 | Air Liquide | Method and installation for enriching a gas stream with one of the components thereof |
US10119414B2 (en) | 2012-05-08 | 2018-11-06 | David J. Podrog | Hafnium turbine engine and method of operation |
US9797309B2 (en) | 2013-04-09 | 2017-10-24 | David J. Podrog | Hafnium turbine engine and method of operation |
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FR2758621B1 (en) | 1999-02-12 |
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