BE1012672A3 - Anticipation process and / or prevention of explosion and / or a mixture of ignition fuel / oxidizing agent. - Google Patents
Anticipation process and / or prevention of explosion and / or a mixture of ignition fuel / oxidizing agent. Download PDFInfo
- Publication number
- BE1012672A3 BE1012672A3 BE9900332A BE9900332A BE1012672A3 BE 1012672 A3 BE1012672 A3 BE 1012672A3 BE 9900332 A BE9900332 A BE 9900332A BE 9900332 A BE9900332 A BE 9900332A BE 1012672 A3 BE1012672 A3 BE 1012672A3
- Authority
- BE
- Belgium
- Prior art keywords
- mixture
- explosion
- ignition
- oxidizing agent
- spontaneous
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 46
- 238000004880 explosion Methods 0.000 title claims abstract description 25
- 239000007800 oxidant agent Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000446 fuel Substances 0.000 title claims description 18
- 230000002265 prevention Effects 0.000 title claims description 6
- 230000002269 spontaneous effect Effects 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims abstract description 5
- 239000003337 fertilizer Substances 0.000 claims description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 239000003350 kerosene Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 206010061218 Inflammation Diseases 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims description 2
- 239000001273 butane Substances 0.000 claims description 2
- 239000002828 fuel tank Substances 0.000 claims description 2
- 230000004054 inflammatory process Effects 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- -1 petrol Substances 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- DVARTQFDIMZBAA-UHFFFAOYSA-O ammonium nitrate Chemical compound [NH4+].[O-][N+]([O-])=O DVARTQFDIMZBAA-UHFFFAOYSA-O 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000013179 statistical model Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/222—Solid fuels, e.g. coal
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Catching Or Destruction (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
La présente invention concerne un procédé d'anticipation et/ou de prévention du risque d'explosion et/ou d'inflammation spontanée d'un mélange combustible/agent oxydant conservé dans un milieu confiné, dans lequel on mesure la température du mélange à partir du moment de création dudit mélange et on détermine le moment critique d'explosion et/ou d'inflammation spontanée dudit mélange en déterminant la période d'induction restant à courir, en fonction du temps écoulé depuis la création dudit mélange et le moment critique au-delà duquel on risque une explosion et/ou une inflammation spontanée dudit mélange.The present invention relates to a process for anticipating and / or preventing the risk of explosion and / or spontaneous ignition of a combustible mixture / oxidizing agent stored in a confined medium, in which the temperature of the mixture is measured from of the moment of creation of said mixture and the critical moment of explosion and / or spontaneous ignition of said mixture is determined by determining the induction period remaining to run, as a function of the time elapsed since the creation of said mixture and the critical moment at beyond which there is a risk of spontaneous explosion and / or ignition of said mixture.
Description
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PROCEDE D'ANTICIPATION ET/OU DE PREVENTION DU RISOUE
D'EXPLOSION ET/OU D'INFLAMMATION D'UN MELANGE COMBUSTIBLE/AGENT OXYDANT Objet de l'invention
La présente invention est relative à un procédé d'anticipation et/ou de prévention d'explosion et/ou d'inflammation d'un mélange combustible/agent oxydant, conservé dans un milieu ou un volume confiné tel qu'un silo à grains, un volume comprenant un mélange de combustibles, hydrocarbures ou de poussières industrielles ou de fertilisants et d'air, le réservoir d'un véhicule, une galerie de mine, etc.
Arrière-plan technologique et état de la technique à la base de l'invention
Des mélanges d'un ou plusieurs combustibles avec au moins un agent oxydant peuvent faire l'objet d'une explosion ou d'un incendie lorsqu'ils sont conservés à des températures ambiantes ou élevées dans des milieux confinés tels que ceux susmentionnés. Il convient de détecter le risque d'explosion de tels mélanges.
Le document W089/08253 décrit un procédé et un appareillage pour déterminer si un combustible peut provoquer une explosion dans les conditions présentes dans un moteur diesel. Ce phénomène est étudié en soumettant le
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combustible à une exposition en présence d'un mélange de gaz oxydants en augmentant de manière progressive la température. Dans une seconde étape, une réaction catalytique de post-oxydation en C02 et en eau est réalisée et un détecteur mesure continuellement la quantité de C02 produite. L'indice de cétane du combustible est déterminé par analyse des données basée sur un modèle statistique.
Des dispositifs similaires sont décrits dans le document W098/18001, dans lesquels on utilise différents éléments de détection (senseurs) permettant de déterminer la proportion critique des différents composants dans des chambres de mesure jusqu'à former un mélange explosif.
Cependant, ces différents systèmes sont basés sur une comparaison par rapport à une référence déterminée généralement pour un volume et un mélange de combustibles précis.
Buts de l'invention
La présente invention vise à proposer un procédé d'anticipation et/ou de prévention du risque d'explosion et/ou d'inflammation spontanée d'un mélange combustible/agent oxydant conservé dans un milieu confiné, par exemple un silo à grains, un terril de poussier de charbon à ciel ouvert, un bâtiment dont l'atmosphère est imprégnée de poussières industrielles ou de fertilisants (sacs d'engrais/nitrate d'ammonium), un réservoir partiellement rempli de kérosène, d'essence, de gaz d'hydrocarbures, etc., qui ne présenterait pas les inconvénients des procédés de l'état de la technique et qui puisse être adapté à tout type de volume et à tout type de combustible (solide, liquide, en émulsion, en gouttelettes ou gazeux) en présence d'air, d'oxygène ou d'un autre agent oxydant.
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Un autre but de la présente invention est de mettre au point des procédures qui permettent d'éviter ou retarder les phénomènes d'explosion ou d'inflammation spontanée de tels combustibles conservés dans ces milieux confinés, mélangés à un agent oxydant tel que l'oxygène ou l'air par exemple.
Eléments caractéristiques de la présente invention
La présente invention concerne un procédé d'anticipation et/ou de prévention du risque d'explosion et/ou d'inflammation spontanée d'un mélange combustible/agent oxydant conservé dans un milieu confiné ou entassé, dans lequel on mesure la température du mélange à partir du moment de création dudit mélange, et on détermine le moment critique d'explosion et/ou d'inflammation spontanée de ce mélange en déterminant la période d'induction, c'est-à-dire le temps écoulé entre la création dudit mélange et le moment critique au-delà duquel on risque une explosion et/ou une inflammation spontanée dudit mélange.
On entend par"mélange combustible", un produit susceptible de se consumer mélangé à ou en contact avec un agent oxydant, tel que l'oxygène ou l'air.
Selon l'invention, le combustible est présent sous forme solide, liquide, gazeuse, en brouillard ou en émulsion.
Dans le procédé de l'invention, le milieu confiné comportant le mélange combustible/oxydant est choisi parmi le groupe constitué par des silos à grains, des centres de stockage de matériaux combustibles solides tels que du poussier de charbon, des fertilisants (engrais/nitrate d'ammonium), des galeries de mines, des réservoirs de combustible, en particulier des réservoirs d'hydrocarbures (kérosène, essence, méthane, butane,
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propane, etc. ) partiellement remplis d'air, de gaz inflammables et/ou explosifs, éventuellement incorporés dans un véhicule tel qu'un camion, un avion, un bateau, etc.
Avantageusement, dans le procédé de l'invention, on utilise également des moyens d'alarme, de retard et/ou de prévention de ladite explosion et/ou inflammation, qui peuvent être enclenchés de manière manuelle ou automatique, éventuellement par le personnel chargé de la surveillance et de la manutention dudit mélange présent dans le milieu confiné. Lesdits moyens ou dispositifs doivent être enclenchés dès la création du mélange combustible/agent oxydant pour déterminer le moment critique d'explosion et/ou d'inflammation spontanée dudit mélange, c'est-à-dire lorsque le temps écoulé se rapproche du moment critique (Ti) d'inflammation ou d'explosion spontanée.
Ces différents moyens peuvent comprendre des senseurs ou des dispositifs de dilution, de séparation ou de refroidissement du mélange de manière à retarder ou à prévenir ladite explosion et/ou ladite inflammation.
Dans la figure unique annexée, on a repris différentes données, relevées dans des conditions de température constante présentant en ordonnée le logarithme de la période d'induction, c'est-à-dire le logarithme du temps écoulé entre la création du mélange combustible/agent oxydant et le moment d'explosion et/ou d'inflammation spontanée, et en abscisse la température initiale dudit mélange. Sur ce graphique est représentée une droite basée sur la sommation de différentes données expérimentales obtenues avec des mélanges combustibles sous forme solide, liquide ou gazeuse, de poudre noire, de benzène, de cyclohexane, de cyclohexène, d'agents lubrificateurs, de
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kérosène, de propane, d'éthane, de n-heptane, etc., au contact ou mélangés à de l'air.
Sur la base de ces données expérimentales, il est possible, pour un mélange combustible/agent oxydant présent dans un milieu confiné, à condition de respecter des techniques expérimentales appropriées, d'anticiper la période d'induction et donc le moment où il y aura inflammation spontanée du mélange, ce qui permet de déterminer le seuil de temps critique écoulé au-delà duquel ledit mélange combustible/agent oxydant est susceptible de s'enflammer spontanément et donc de provoquer une déflagration et/ou une explosion.
Les différents éléments permettant de caractériser le seuil critique sont basés sur la combinaison de moyens bien connus de l'homme du métier tels que des senseurs, des enregistreurs, des systèmes de minutage définissant le temps écoulé, des dispositifs de mesure de la température initiale et des variations dans le temps de la température du mélange, des systèmes d'intégration des données tels que puces et mémoires électroniques, etc., connectés à une unité de calcul permettant d'enclencher éventuellement de manière automatique différents dispositifs d'alarme ou de prévention permettant de prévenir, de retarder ou d'éviter ladite explosion ou ladite inflammation.
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ANTICIPATION AND / OR RISK PREVENTION PROCESS
OBJECT OF THE INVENTION EXPLOSION AND / OR INFLAMMATION OF A FUEL MIXTURE / OXIDIZING AGENT
The present invention relates to a process for anticipating and / or preventing explosion and / or ignition of a fuel / oxidizing agent mixture, stored in a confined medium or volume such as a grain silo, a volume comprising a mixture of fuels, hydrocarbons or industrial dust or fertilizers and air, the tank of a vehicle, a mine gallery, etc.
Technological background and state of the art underlying the invention
Mixtures of one or more fuels with at least one oxidizing agent can be exploded or ignited when stored at ambient or elevated temperatures in confined environments such as those mentioned above. The risk of explosion of such mixtures should be detected.
The document WO89 / 08253 describes a method and an apparatus for determining whether a fuel can cause an explosion under the conditions present in a diesel engine. This phenomenon is studied by submitting the
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combustible to exposure in the presence of a mixture of oxidizing gases by gradually increasing the temperature. In a second step, a catalytic reaction of post-oxidation to CO2 and water is carried out and a detector continuously measures the quantity of CO2 produced. The cetane number of the fuel is determined by analysis of the data based on a statistical model.
Similar devices are described in document WO98 / 18001, in which different detection elements (sensors) are used making it possible to determine the critical proportion of the different components in measuring chambers until they form an explosive mixture.
However, these different systems are based on a comparison with a reference generally determined for a specific volume and mixture of fuels.
Aims of the invention
The present invention aims to propose a process for anticipating and / or preventing the risk of explosion and / or spontaneous ignition of a fuel / oxidizing agent mixture stored in a confined environment, for example a grain silo, a coal dust heap in the open air, a building whose atmosphere is impregnated with industrial dust or fertilizers (bags of fertilizer / ammonium nitrate), a tank partially filled with kerosene, petrol, gas hydrocarbons, etc., which would not have the drawbacks of the processes of the state of the art and which could be adapted to any type of volume and to any type of fuel (solid, liquid, emulsion, droplets or gaseous) in presence of air, oxygen or other oxidizing agent.
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Another object of the present invention is to develop procedures which make it possible to avoid or delay the phenomena of explosion or spontaneous ignition of such fuels stored in these confined environments, mixed with an oxidizing agent such as oxygen. or air for example.
Characteristic elements of the present invention
The present invention relates to a process for anticipating and / or preventing the risk of explosion and / or spontaneous ignition of a combustible mixture / oxidizing agent stored in a confined or heaped medium, in which the temperature of the mixture is measured from the moment of creation of said mixture, and the critical moment of explosion and / or spontaneous ignition of this mixture is determined by determining the induction period, that is to say the time elapsed between the creation of said mixture mixture and the critical moment beyond which there is a risk of spontaneous explosion and / or ignition of said mixture.
The term "combustible mixture" means a product capable of being consumed mixed with or in contact with an oxidizing agent, such as oxygen or air.
According to the invention, the fuel is present in solid, liquid, gaseous, mist or emulsion form.
In the process of the invention, the confined medium comprising the fuel / oxidant mixture is chosen from the group consisting of grain silos, storage centers for solid combustible materials such as coal dust, fertilizers (fertilizers / nitrate ammonium), mine galleries, fuel tanks, in particular hydrocarbon tanks (kerosene, petrol, methane, butane,
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propane, etc. ) partially filled with air, flammable and / or explosive gases, possibly incorporated in a vehicle such as a truck, plane, boat, etc.
Advantageously, in the method of the invention, use is also made of alarm, delay and / or prevention means of said explosion and / or ignition, which can be activated manually or automatically, possibly by the personnel responsible for monitoring and handling of said mixture present in the confined environment. Said means or devices must be activated as soon as the fuel / oxidizing agent mixture is created to determine the critical moment of explosion and / or spontaneous ignition of said mixture, that is to say when the elapsed time approaches the critical moment (Ti) spontaneous ignition or explosion.
These various means may include sensors or devices for diluting, separating or cooling the mixture so as to delay or prevent said explosion and / or said ignition.
In the single appended figure, various data have been taken up, recorded under constant temperature conditions presenting on the ordinate the logarithm of the induction period, that is to say the logarithm of the time elapsed between the creation of the fuel mixture / oxidizing agent and the moment of explosion and / or spontaneous ignition, and on the abscissa the initial temperature of said mixture. On this graph is represented a line based on the summation of various experimental data obtained with combustible mixtures in solid, liquid or gaseous form, black powder, benzene, cyclohexane, cyclohexene, lubricating agents,
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kerosene, propane, ethane, n-heptane, etc., in contact or mixed with air.
On the basis of these experimental data, it is possible, for a fuel / oxidizing agent mixture present in a confined medium, provided that appropriate experimental techniques are respected, to anticipate the induction period and therefore the time when there will be spontaneous ignition of the mixture, which makes it possible to determine the critical time elapsed threshold beyond which said fuel / oxidizing agent mixture is liable to spontaneously ignite and therefore to cause a deflagration and / or an explosion.
The various elements making it possible to characterize the critical threshold are based on the combination of means well known to those skilled in the art such as sensors, recorders, timing systems defining the elapsed time, devices for measuring the initial temperature and variations in the temperature of the mixture over time, data integration systems such as chips and electronic memories, etc., connected to a calculation unit making it possible to automatically activate various alarm or prevention devices making it possible to prevent, delay or avoid said explosion or said ignition.
Claims (4)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9900332A BE1012672A3 (en) | 1999-05-07 | 1999-05-07 | Anticipation process and / or prevention of explosion and / or a mixture of ignition fuel / oxidizing agent. |
| EP00940249A EP1177436A1 (en) | 1999-05-07 | 2000-05-05 | Method for anticipating, delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere |
| CA002371647A CA2371647A1 (en) | 1999-05-07 | 2000-05-05 | Method for anticipating, delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere |
| PCT/EP2000/004414 WO2000068684A1 (en) | 1999-05-07 | 2000-05-05 | Method for anticipating, delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere |
| AU55245/00A AU5524500A (en) | 1999-05-07 | 2000-05-05 | Method for anticipating, delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere |
| JP2000616418A JP2002544482A (en) | 1999-05-07 | 2000-05-05 | Method for predicting, delaying and / or preventing the risk of spontaneous ignition and / or explosion of an explosive atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9900332A BE1012672A3 (en) | 1999-05-07 | 1999-05-07 | Anticipation process and / or prevention of explosion and / or a mixture of ignition fuel / oxidizing agent. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE1012672A3 true BE1012672A3 (en) | 2001-02-06 |
Family
ID=3891912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE9900332A BE1012672A3 (en) | 1999-05-07 | 1999-05-07 | Anticipation process and / or prevention of explosion and / or a mixture of ignition fuel / oxidizing agent. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1177436A1 (en) |
| JP (1) | JP2002544482A (en) |
| AU (1) | AU5524500A (en) |
| BE (1) | BE1012672A3 (en) |
| CA (1) | CA2371647A1 (en) |
| WO (1) | WO2000068684A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111965323A (en) * | 2020-07-23 | 2020-11-20 | 太原理工大学 | Coal spontaneous combustion state grading early warning method based on acetaldehyde index gas |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316668B (en) * | 2014-11-10 | 2017-08-29 | 河南理工大学 | Adopt dynamic deformation coal body oxidation characteristic test device in deep |
| CN107219258B (en) * | 2017-07-25 | 2024-01-30 | 公安部天津消防研究所 | Explosion simulation and explosion pressure relief and explosion suppression experiment platform and method for limited space |
| CN112414815A (en) * | 2020-11-27 | 2021-02-26 | 青岛赛时检验有限公司 | Gasoline induction period capacity verification sample, preparation method and application |
| CN112730514B (en) * | 2020-12-16 | 2023-05-09 | 湖北航天化学技术研究所 | Method for predicting critical delay of thermal explosion of large-size explosives and powders |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB394736A (en) * | 1932-01-19 | 1933-07-06 | William Helmore | Improvements in or relating to testing combustible fluids |
| US4549815A (en) * | 1983-11-21 | 1985-10-29 | Mobil Oil Corporation | Measurement of ignition characteristics of distillate fuels |
| JPH09304310A (en) * | 1996-05-09 | 1997-11-28 | Shimadzu Corp | Spontaneous ignition test device |
| WO1998018001A2 (en) * | 1996-10-22 | 1998-04-30 | Orbisphere Laboratories Neuchatel S.A. | Combustibility monitor and monitoring method |
-
1999
- 1999-05-07 BE BE9900332A patent/BE1012672A3/en not_active IP Right Cessation
-
2000
- 2000-05-05 EP EP00940249A patent/EP1177436A1/en not_active Ceased
- 2000-05-05 JP JP2000616418A patent/JP2002544482A/en active Pending
- 2000-05-05 AU AU55245/00A patent/AU5524500A/en not_active Abandoned
- 2000-05-05 CA CA002371647A patent/CA2371647A1/en not_active Abandoned
- 2000-05-05 WO PCT/EP2000/004414 patent/WO2000068684A1/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB394736A (en) * | 1932-01-19 | 1933-07-06 | William Helmore | Improvements in or relating to testing combustible fluids |
| US4549815A (en) * | 1983-11-21 | 1985-10-29 | Mobil Oil Corporation | Measurement of ignition characteristics of distillate fuels |
| JPH09304310A (en) * | 1996-05-09 | 1997-11-28 | Shimadzu Corp | Spontaneous ignition test device |
| WO1998018001A2 (en) * | 1996-10-22 | 1998-04-30 | Orbisphere Laboratories Neuchatel S.A. | Combustibility monitor and monitoring method |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111965323A (en) * | 2020-07-23 | 2020-11-20 | 太原理工大学 | Coal spontaneous combustion state grading early warning method based on acetaldehyde index gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2371647A1 (en) | 2000-11-16 |
| AU5524500A (en) | 2000-11-21 |
| JP2002544482A (en) | 2002-12-24 |
| EP1177436A1 (en) | 2002-02-06 |
| WO2000068684A1 (en) | 2000-11-16 |
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| Date | Code | Title | Description |
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| RE | Patent lapsed |
Effective date: 20070531 |