FR2909385A1 - Gaseous fuel mixture, useful for heat treatment operation comprising gas cutting, heat reclaim and flame heating and flame surfacing, comprises acetylene and ethylene - Google Patents
Gaseous fuel mixture, useful for heat treatment operation comprising gas cutting, heat reclaim and flame heating and flame surfacing, comprises acetylene and ethylene Download PDFInfo
- Publication number
- FR2909385A1 FR2909385A1 FR0655307A FR0655307A FR2909385A1 FR 2909385 A1 FR2909385 A1 FR 2909385A1 FR 0655307 A FR0655307 A FR 0655307A FR 0655307 A FR0655307 A FR 0655307A FR 2909385 A1 FR2909385 A1 FR 2909385A1
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- France
- Prior art keywords
- acetylene
- ethylene
- flame
- gaseous mixture
- heat treatment
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/02—Compositions containing acetylene
Abstract
Description
1 L'invention porte sur un mélange gazeux combustible contenant du crylèneThe invention relates to a fuel gas mixture containing crylene
ou de l'éthylène, d'une part, et de l'acétylène, d'autre part, et son utilisation en coupage ou analogue. De nombreux utilisateurs de gaz combustibles ont besoin d'un gaz combustible ayant une forte puissance spécifique, en particulier utilisable dans des applications telles que l'oxycoupage, la chaude de retrait, la chauffe, le rechargement à la flamme... Actuellement, le combustible gazeux le plus performant pour ces applications est l'acétylène. Cependant, il n'est pas sans poser certains problèmes, notamment lors de sa mise en oeuvre, en particulier lorsque le volume consommé est important. or ethylene, on the one hand, and acetylene, on the other hand, and its use in cutting or the like. Many users of combustible gases require a fuel gas with a high specific power, particularly usable in applications such as flame cutting, hot withdrawal, heating, reloading with flame ... Currently, the The most efficient gaseous fuel for these applications is acetylene. However, it is not without problems, especially during its implementation, especially when the volume consumed is important.
Une alternative connue à l'acétylène est le crylène, qui est un mélange d'éthylène, d'acétylène et de propylène, lequel mélange n'est disponible que sous forme liquide et doit être stocké dans un réservoir cryogénique. Cependant, les performances techniques de ce gaz sont inférieures à celles de l'acétylène, en termes de puissance spécifique. A known alternative to acetylene is crylene, which is a mixture of ethylene, acetylene and propylene, which mixture is available only in liquid form and must be stored in a cryogenic tank. However, the technical performance of this gas is lower than that of acetylene, in terms of specific power.
Le problème qui se pose alors est de pouvoir fournir un combustible gazeux ayant des performances supérieures au crylène et proches de celles de l'acétylène, en particulier lorsque des volumes de gaz combustible importants sont requise, c'est-à-dire pour des utilisateurs ayant des consommations de combustible importantes, par exemple de plus de 700 m3 par mois. The problem that arises then is to be able to provide a gaseous fuel having performance superior to the crylene and close to those of acetylene, in particular when large volumes of fuel gas are required, that is to say for users having significant fuel consumption, for example more than 700 m3 per month.
La solution de l'invention est alors un mélange gazeux combustible contenant de l'acétylène et de l'éthylène. Selon le cas, le mélange gazeux de l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes : - il comporte aussi du propylène. - la proportion d'acétylène est comprise entre 1 et 50% en volume. - de préférence, la proportion d'acétylène est comprise entre 5% et 45% en volume, en particulier de 10 à 40%, de préférence 15 à 40%. L'invention porte en outre sur un procédé de fabrication d'un mélange gazeux d'acétylène et d'éthylène selon l'invention, selon lequel on obtient ledit mélange gazeux par mélange d'acétylène, d'une part, et d'éthylène ou de crylène, d'autre part. The solution of the invention is then a combustible gas mixture containing acetylene and ethylene. Depending on the case, the gaseous mixture of the invention may comprise one or more of the following characteristics: it also comprises propylene. the proportion of acetylene is between 1 and 50% by volume. the proportion of acetylene is preferably between 5% and 45% by volume, in particular between 10% and 40% and preferably between 15% and 40%. The invention furthermore relates to a process for manufacturing a gaseous mixture of acetylene and ethylene according to the invention, according to which said gaseous mixture is obtained by mixing acetylene, on the one hand, and ethylene or crylene, on the other hand.
2909385 2 Selon le cas, le procédé de l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes : - on réalise le mélange gazeux au moyen d'un mélangeur à débitmètre massique et régulateur de débit massique. 5 - il est mis en oeuvre directement sur le site d'utilisation subséquente du mélange gazeux ainsi obtenu. - le mélangeur est de type mélangeur dynamique. L'invention va maintenant être mieux comprise grâce à la description suivante, faite à titre illustratif, en références à la Figure Annexée.According to the case, the process of the invention may comprise one or more of the following characteristics: the gaseous mixture is produced by means of a mass flowmeter mixer and a mass flow regulator. It is used directly on the site of subsequent use of the gaseous mixture thus obtained. the mixer is of the dynamic mixer type. The invention will now be better understood from the following description, given by way of illustration, with reference to the appended FIGURE.
10 Comme on le voit sur la Figure, le mélange gazeux selon l'invention est fabriqué au moyen d'un mélangeur 4 à débitmètre massique et régulateur de débit massique permettant le dopage du crylène ou de _l'éthylène par de l'acétylène dans des proportions compatibles avec l'utilisation subséquente dudit mélange. Ainsi, on peut réaliser un mélange contenant jusqu'à 50 % d'acétylène et du 15 crylène ou l'éthylène pour le reste. Un tel mélangeur 4 permet d'alimenter l'ensemble des différents postes utilisateurs 5 d'un atelier industriel à un débit de gaz combustible supérieur à 30 Nm3/h. L'invention permet donc de fournir un gaz combustible dont la composition est adaptée à chaque utilisation puisque la proportion d'acétylène dans l'éthylène peut être 20 choisie et ajustée en fonction de l'utilisation subséquente qui sera faite dudit gaz. La composition et la production du mélange éthylène/acétylène sont préférentiellement réalisées sur le site de l'utilisateur au moyen d'un mélangeur 4 dynamique implanté en aval des stockages d'éthylène 2ou de crylène 3 et de la zone de stockage de l'acétylène 1.As can be seen in the figure, the gaseous mixture according to the invention is manufactured by means of a mass flowmeter mixer 4 and a mass flow controller for doping crylene or ethylene with acetylene in acetylene. proportions compatible with the subsequent use of said mixture. Thus, a mixture containing up to 50% acetylene and crylene or ethylene can be made for the remainder. Such a mixer 4 can supply all of the different user stations 5 of an industrial workshop at a fuel gas flow rate greater than 30 Nm3 / h. The invention therefore makes it possible to provide a combustible gas whose composition is adapted to each use since the proportion of acetylene in ethylene can be chosen and adjusted according to the subsequent use that will be made of said gas. The composition and the production of the ethylene / acetylene mixture are preferably carried out on the user's site by means of a dynamic mixer 4 implanted downstream of the ethylene 2 or crylene 3 and the acetylene storage zone storage facilities. 1.
25 Afin de vérifier la faisabilité de l'invention, on a réalisé un mélange gazeux crylène/acétylène sur site ayant la composition volumique suivante : 75% de crylène et 25% d'acétylène. Le mélangeur à régulateur de débit massique utilisé a permis d'obtenir un mélange dynamique dont le débit maximum délivré était d'environ de 30 Nm3/h avec 30 une précision de mélange est de l'ordre de 1 à 2 %. Le combustible obtenu a des performances proches de celles de l'acétylène mais sans en avoir les inconvénients.In order to verify the feasibility of the invention, an on-site crylene / acetylene gas mixture was produced having the following volume composition: 75% Crylene and 25% acetylene. The mass flow regulator mixer used made it possible to obtain a dynamic mixture whose maximum delivered flow rate was about 30 Nm 3 / h with a mixing accuracy of the order of 1 to 2%. The fuel obtained has performances close to those of acetylene but without the disadvantages.
2909385 3 De préférence, le mélangeur dynamique gazeux utilisé dans le cadre de l'invention est de type maître-esclave, c'est-à-dire basé sur la régulation du débit d'acétylène asservi à la mesure du débit de crylène et d'éthylène. Ce principe d'asservissement permet de conserver la concentration d'acétylène 5 dans le combustible quel que soit le nombre de chalumeaux utilisant le gaz ainsi produit, simultanément à sa production. Le mélangeur dynamique 4 comprend un coffret de commande et un coffret fluide de mélange avec un débimètre massique pour le crylène et un régulateur de débit massique pour l'acétylène.Preferably, the gaseous dynamic mixer used in the context of the invention is of the master-slave type, that is to say based on the regulation of the acetylene flow rate controlled by the measurement of the flow rate of crylene and carbon dioxide. 'ethylene. This servocontrol principle makes it possible to maintain the concentration of acetylene in the fuel regardless of the number of torches using the gas thus produced, simultaneously with its production. The dynamic mixer 4 comprises a control box and a fluid mixing box with a mass flow meter for the crylene and a mass flow controller for the acetylene.
10 Un mélange gazeux selon l'invention peut être utilisé pour réaliser une opération de traitement thermique utilisant ledit mélange gazeux, en particulier une opération d'oxycoupage, de chaude de retrait, de chauffage ou de rechargement à la flamme.A gaseous mixture according to the invention can be used to carry out a heat treatment operation using said gaseous mixture, in particular an oxycutting, hot-removal, heating or flame-charging operation.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0655307A FR2909385A1 (en) | 2006-12-05 | 2006-12-05 | Gaseous fuel mixture, useful for heat treatment operation comprising gas cutting, heat reclaim and flame heating and flame surfacing, comprises acetylene and ethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0655307A FR2909385A1 (en) | 2006-12-05 | 2006-12-05 | Gaseous fuel mixture, useful for heat treatment operation comprising gas cutting, heat reclaim and flame heating and flame surfacing, comprises acetylene and ethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2909385A1 true FR2909385A1 (en) | 2008-06-06 |
Family
ID=38229898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0655307A Withdrawn FR2909385A1 (en) | 2006-12-05 | 2006-12-05 | Gaseous fuel mixture, useful for heat treatment operation comprising gas cutting, heat reclaim and flame heating and flame surfacing, comprises acetylene and ethylene |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2909385A1 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB156116A (en) * | 1918-04-23 | 1922-03-30 | Otto Traun S Forschungslaborat | Process for the manufacture of diolefines and/or polymerisation products thereof |
| US2511206A (en) * | 1945-12-08 | 1950-06-13 | Tennessee Eastman Corp | Process of producing hydrocarbons |
| GB822863A (en) * | 1956-08-25 | 1959-11-04 | Belge Produits Chimiques Sa | Improvements in or relating to a process for the treatment of gases obtained by hydrocarbon pyrolysis |
| NL7608045A (en) * | 1975-07-21 | 1977-01-25 | Air Liquide | PROCEDURE FOR STORING A GAS FUEL. |
| US4426207A (en) * | 1982-03-01 | 1984-01-17 | L'air Liquide-Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Stable ternary cryogenic fuel having density in the gaseous state less than that of air |
| JPS61136593A (en) * | 1984-12-06 | 1986-06-24 | Taiyo Sanso Kk | Three-component gas mixture supply device |
| EP0313176A2 (en) * | 1987-10-21 | 1989-04-26 | Praxair S.T. Technology, Inc. | Fuel-oxidant mixture for detonation gun flame-plating |
| EP1045246A1 (en) * | 1999-04-15 | 2000-10-18 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Evaluation and regulation of the thermal power of a stream of combustible gas, and characterization of thermal mass flowmeter |
| EP1215459A2 (en) * | 2000-12-07 | 2002-06-19 | Technip-Coflexip | Process and installation for recovering and purifying of ethylen produced by hydrocarbon pyrolysis |
-
2006
- 2006-12-05 FR FR0655307A patent/FR2909385A1/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB156116A (en) * | 1918-04-23 | 1922-03-30 | Otto Traun S Forschungslaborat | Process for the manufacture of diolefines and/or polymerisation products thereof |
| US2511206A (en) * | 1945-12-08 | 1950-06-13 | Tennessee Eastman Corp | Process of producing hydrocarbons |
| GB822863A (en) * | 1956-08-25 | 1959-11-04 | Belge Produits Chimiques Sa | Improvements in or relating to a process for the treatment of gases obtained by hydrocarbon pyrolysis |
| NL7608045A (en) * | 1975-07-21 | 1977-01-25 | Air Liquide | PROCEDURE FOR STORING A GAS FUEL. |
| US4426207A (en) * | 1982-03-01 | 1984-01-17 | L'air Liquide-Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Stable ternary cryogenic fuel having density in the gaseous state less than that of air |
| JPS61136593A (en) * | 1984-12-06 | 1986-06-24 | Taiyo Sanso Kk | Three-component gas mixture supply device |
| EP0313176A2 (en) * | 1987-10-21 | 1989-04-26 | Praxair S.T. Technology, Inc. | Fuel-oxidant mixture for detonation gun flame-plating |
| EP1045246A1 (en) * | 1999-04-15 | 2000-10-18 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Evaluation and regulation of the thermal power of a stream of combustible gas, and characterization of thermal mass flowmeter |
| EP1215459A2 (en) * | 2000-12-07 | 2002-06-19 | Technip-Coflexip | Process and installation for recovering and purifying of ethylen produced by hydrocarbon pyrolysis |
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| ST | Notification of lapse |
Effective date: 20090831 |