EP1157235B1 - Dispositif pour ameliorer le brulage des combustibles gazeux - Google Patents
Dispositif pour ameliorer le brulage des combustibles gazeux Download PDFInfo
- Publication number
- EP1157235B1 EP1157235B1 EP99964724A EP99964724A EP1157235B1 EP 1157235 B1 EP1157235 B1 EP 1157235B1 EP 99964724 A EP99964724 A EP 99964724A EP 99964724 A EP99964724 A EP 99964724A EP 1157235 B1 EP1157235 B1 EP 1157235B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- tubes
- combustion
- venturi
- air
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
Definitions
- the invention relates to a device intended to bring together a gaseous fuel and an oxidizer in proportions allowing burning optimal, so as to obtain, in particular for a fuel gas fueled low pressure and containing hydrocarbons, smokeless combustion.
- the ratio between the flow of gas to be burned and the air flow required for combustion must be at all times, greater than or equal to the ratio stoichiometric, so that a burner can operate in a completely autonomous way without additional outside air.
- burning a gas containing hydrocarbons for example to burn waste gases charged with hydrogen sulphide or gaseous emissions containing hydrocarbons, in an oil refinery or on a production field of oil or gas, must satisfy three essential conditions, called usually in the profession "the three T's", to get a burning optimal.
- the burner manufacturers then proposed a ventilation system of the flame of a burner which consists of bringing air for combustion at medium of groups of high power electric fans arranged under the burner, and by staging, for the ability to burn, the distribution of gas using automatic valves.
- This system controlled by a complex instrumentation presents an unacceptable risk of failure, since it can create an obstruction dangerous in the collector's gas collector, when, for example, a pilot valve remains in the closed position.
- this ventilation system of the flame is an investment cost and high operating costs while being unreliable and generating safety problems when the gas to be burned contains liquid hydrocarbons, also called condensates, easily flammable, which can fall on the fans arranged under the burner.
- This air aspirator uses as engine fluid a pressurized gas whose nature is not specified.
- This air aspirator comprises a plurality of gas injection tubes arranged following two concentric rings at the entrance of a venturi open to the atmosphere and whose axes are parallel to the axis of the venturi.
- US-A-2 403 431 discloses a fuel gas burner comprising a plurality of injection tubes, arranged at the inlet of an open venturi at the atmosphere. These tubes, parallel to the axis of the venturi, are fed in one premixing of a combustible gas and air, this premix coming from another Venturi arranged upstream and open to the atmosphere or connected to an air source under pressure.
- European Patent No. 99,828 held by the Applicant proposes a device for the combustion of mixtures of combustible fluids with induction of air, into which these fluids are introduced into a burner body forming venturi, by means of annular cross-section injectors arranged coaxially along the axis of said body.
- Such a device has the disadvantage major to be difficult to achieve because it requires strict and rigorous machining.
- the Claimant has therefore conducted research to find solutions that are both technically satisfactory, simple and reliable and the corresponding investment cost is low, in refineries on a production site, to bring sufficient quantities of air to the burning low-pressure gas containing hydrocarbons, while improving the conditions necessary for optimal combustion of this gas and especially to obtain a smokeless combustion.
- the invention therefore relates to a device for combustion gas containing hydrocarbons that may burn in the presence of air, in which the fuel gas arrives via a central supply comprising a tube located in the axis of a venturi body, characterized in that a plurality of gas supply tubes are arranged according to at least one ring around of the central feed of the body forming venturi, the end at least of these tubes having its axis substantially parallel to the wall of the divergent of this venturi.
- the device according to the invention has the particular advantage of enabling complete combustion of a gas containing hydrocarbons, without any smoke, even when the fuel gas pressure is low and the fuel gas contains condensates.
- the device according to the invention as shown in Figures 1 and 2, comprises a central supply of fuel gas 1 arranged at the center and to the input of a body 2 forming a venturi.
- the body 2 comprises a lower frustoconical portion 3 generally called “convergent” and which is extended by a cylindrical portion 4 called “neck”. This cylindrical portion 3 is extended by an upper frustoconical portion 5 called "divergent”.
- the central gas supply 1 generally comprises a central tube of annular cross section and substantially coaxial with the body 2. This tube central extends from the outside, passing in the convergent 3, until a point in body 2, usually at the junction of convergent 3 and collar 4.
- a plurality of additional tubes 6 is provided around the central feed 1.
- At least the device according to the invention comprises 3 tubes arranged in an annular manner, the maximum number of tubes depending on the size of the body forming venturi 2 and up to several tens.
- the arrangement of the tubes 6 is generally regular and annular, as best shown in FIGS. 2 a and 2 b .
- these additional tubes 6 are substantially identical, have a substantially circular cross section and are arranged so annular around the central feed 1, with at least the axis of their end substantially parallel to the wall of the diverging portion 5 of the venturi body, in view injecting the combustible gas into said body at an angle ⁇ with the axis AA of this body forming venturi.
- Their lower part 8 can be cylindrical and substantially parallel to the axis AA of the body 2, whereas, as is visible on FIG. 1, the angle of inclination ⁇ of the upper part 7 with respect to the axis AA is substantially equal to the angle of inclination of the diverging portion 5 with respect to this same axis AA.
- the axes of the tubes can form with the axis of the body forming venturi, an angle equal to that form the divergent with the axis of said body.
- the tubes may be arranged, as shown in Figure 2b , annularly around the central tube for supplying fuel gas, along a plurality of rings whose centers are located on the axis AA of the body forming venturi 2.
- the extra tubes 6 all generally enter the body 2 of the same depth, which may be the same or less than the depth of penetration of the central tube 1 in the body 2.
- This central tube may have a different diameter, preferably greater than the diameter of the tubes arranged so annular.
- Each tube 6 is dimensioned so that, on the one hand, its diameter interior is identical to that of all tubes arranged annularly over the minus one crown and, on the other hand, so that it can carry between 1% and 33% and preferably between 5 and 33% of the fuel gas.
- all the extremities tubes arranged on at least one ring may be provided with devices injection of gas, such as injection nozzles.
- the central tube 1, as well as the additional tubes 6 arranged on at least one ring, can all be connected to the same feed tube 9 of combustible gas.
- a fuel gas source which can be composed of, for example, hydrocarbons, hydrogen sulfide H 2 S or a mixture of these gases.
- the Applicant has carried out tests on a floor burner called "bum When using a conventional burner with a single tube supply of gas to be burned and a venturi comprising only a tube power supply, there is the production of thick black smoke testifying to the incomplete combustion of gases.
- the device according to the invention under the same conditions of high throughput and low pressure of the fuel gas, we obtain a smokeless combustion. Of Moreover, the condensates entrained in the flame also burn without smoke. Obtaining complete combustion with the conventional burner would have required a gas pressure 30 times higher.
- the use of the device according to the invention of operating conditions conducive to the reduction of nitrogen oxides such as as the staging of the combustion air, the removal of the very hot areas of the flame by homogenizing the temperatures thereof, which presents a interest, since it has been established that the oxides of nitrogen formed during a combustion contribute to the process of acidification, photochemical pollution, depletion of the ozone layer and increase of the greenhouse effect.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Feeding And Controlling Fuel (AREA)
Description
- une émission importante de bruit due au passage du fluide dans les tubes et les injecteurs,
- un refroidissement de la flamme qui ne permet pas d'assurer les conditions correctes de combustion des gaz, par exemple les gaz acides comme l'H2S, pour lequel la température de 700°C requise pour sa complète oxydation n'est, dans ces conditions, pas atteinte, produisant ainsi des émissions toxiques et malodorantes,
- un bilan énergétique du site pouvant être déficitaire, car dépendant de la production de la vapeur d'eau.
Claims (3)
- Dispositif pour la combustion de gaz contenant des hydrocarbures susceptibles de brûler en présence d'air, dans lequel le gaz combustible arrive par une alimentation centrale (1) comprenant un tube situé dans l'axe d'un corps formant venturi (2), caractérisé en ce qu'une pluralité de tubes (6) d'alimentation en gaz sont disposés suivant au moins une couronne autour de l'alimentation centrale (1) du corps formant venturi (2), l'extrémité au moins de ces tubes ayant son axe sensiblement parallèle à la paroi du divergent (5) de ce venturi.
- Dispositif selon la revendication 1, caractérisé en ce que chaque tube (6) disposé de façon annulaire est dimensionné de façon telle qu'il puisse transporter entre 1% et 33% du gaz combustible, et de préférence entre 5% et 33% dudit gaz.
- Dispositif selon l'une des revendications 1 et 2, caractérisé en ce que le diamètre du tube central (1) est différent et, de préférence, supérieur au diamètre des tubes (6) disposés de façon annulaire.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9816621 | 1998-12-30 | ||
| FR9816621A FR2788109B1 (fr) | 1998-12-30 | 1998-12-30 | Dispositif pour ameliorer le brulage des combustibles gazeux |
| PCT/FR1999/003299 WO2000040901A1 (fr) | 1998-12-30 | 1999-12-28 | Dispositif pour ameliorer le brulage des combustibles gazeux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1157235A1 EP1157235A1 (fr) | 2001-11-28 |
| EP1157235B1 true EP1157235B1 (fr) | 2005-03-09 |
Family
ID=9534664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99964724A Expired - Lifetime EP1157235B1 (fr) | 1998-12-30 | 1999-12-28 | Dispositif pour ameliorer le brulage des combustibles gazeux |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7044730B1 (fr) |
| EP (1) | EP1157235B1 (fr) |
| JP (1) | JP4290343B2 (fr) |
| KR (1) | KR100690934B1 (fr) |
| CN (1) | CN1133845C (fr) |
| AR (1) | AR022147A1 (fr) |
| AT (1) | ATE290671T1 (fr) |
| AU (1) | AU3048700A (fr) |
| DE (1) | DE69924156T2 (fr) |
| ES (1) | ES2241356T3 (fr) |
| FR (1) | FR2788109B1 (fr) |
| PT (1) | PT1157235E (fr) |
| WO (1) | WO2000040901A1 (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321338C (zh) * | 2004-02-26 | 2007-06-13 | 科毅光电股份有限公司 | 预混式光纤耦合器融烧装置及其方法 |
| RU2315240C1 (ru) * | 2006-07-27 | 2008-01-20 | Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" | Факельная горелка |
| CN101178177B (zh) * | 2007-04-10 | 2011-09-14 | 宁波方太厨具有限公司 | 多射流燃气燃烧器 |
| RU2355949C2 (ru) * | 2007-05-07 | 2009-05-20 | Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" | Факельная горелка |
| RU2355948C2 (ru) * | 2007-05-07 | 2009-05-20 | Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" | Факельная горелка |
| DE102008019117A1 (de) | 2008-04-16 | 2009-10-22 | Man Turbo Ag | Verfahren zum Betreiben eines Vormischbrenners und ein Vormischbrenner zur Durchführung des Verfahrens |
| CN100590358C (zh) * | 2008-05-14 | 2010-02-17 | 宁波方太厨具有限公司 | 一种多射流燃气燃烧器的引射结构 |
| CN102679345A (zh) * | 2011-03-05 | 2012-09-19 | 胡静文 | 一种直喷式燃烧器的垂直喷射装置 |
| RU2537714C1 (ru) * | 2013-10-17 | 2015-01-10 | Общество с ограниченной ответственностью "ТюменНИИгипрогаз" | Факельное устройство |
| RU170746U1 (ru) * | 2016-10-25 | 2017-05-05 | Константин Георгиевич Морозов | Бездымный факельный оголовок |
| RU2643223C1 (ru) * | 2016-11-24 | 2018-01-31 | Владислав Юрьевич Климов | Устройство для термической нейтрализации промышленных стоков |
| US20180161739A1 (en) * | 2016-12-09 | 2018-06-14 | Gas Technology Institute | Mixer with impinging co-axial streams |
| US11835228B2 (en) * | 2020-07-13 | 2023-12-05 | Gastech Engineering Llc | Cylindrical burner apparatus and method |
| JP7569211B2 (ja) * | 2020-12-08 | 2024-10-17 | 株式会社日本サーモエナー | 予混合式ガスバーナ |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US315187A (en) * | 1885-04-07 | Device for feeding air to furnaces | ||
| DE357522C (de) * | 1922-08-25 | Karl Albert | Dampfstrahlapparat | |
| US1421840A (en) * | 1914-09-14 | 1922-07-04 | Westinghouse Electric & Mfg Co | Fluid translating device |
| US1181125A (en) * | 1915-05-03 | 1916-05-02 | Henry L Erlewine | Steam-blower. |
| US1264116A (en) * | 1915-07-19 | 1918-04-23 | Gen Electric | Pump. |
| US1449504A (en) * | 1919-04-03 | 1923-03-27 | Elliott Co | Method of and apparatus for compressing elastic fluids |
| FR521176A (fr) * | 1920-07-26 | 1921-07-07 | Elliott Co | Perfectionnements aux éjecteurs |
| US2072599A (en) * | 1935-02-26 | 1937-03-02 | Lemaitre Maurice | Device for covering the steam exhaust pipe of locomotives |
| US2074480A (en) * | 1936-03-18 | 1937-03-23 | Ingersoll Rand Co | Thermocompressor |
| US2111266A (en) * | 1936-12-28 | 1938-03-15 | Thomas S Hopkins | Draft inducer |
| US2164263A (en) * | 1938-03-25 | 1939-06-27 | John J Wall | Jet air pump |
| US2403431A (en) * | 1944-09-20 | 1946-07-09 | Furnace Engineers Inc | Gas burner |
| US3101773A (en) * | 1960-03-22 | 1963-08-27 | Selas Corp Of America | Air preheating burner |
| US3659962A (en) * | 1970-06-02 | 1972-05-02 | Zink Co John | Aspirator |
| IT1015665B (it) * | 1974-07-04 | 1977-05-20 | Snam Progetti | Metodo per la preparazione in con tinuo di emulsioni acqua olio ed apparecchiatura adatta allo scopo |
| US4445464A (en) * | 1980-05-14 | 1984-05-01 | Advanced Mechanical Technology, Inc. | High efficiency water heating system |
| FR2530317B1 (fr) | 1982-07-15 | 1987-05-29 | Raffinage Cie Francaise | Procede et dispositif pour la combustion de gaz combustibles avec induction d'air atmospherique |
| FR2554874B1 (fr) * | 1983-11-10 | 1988-04-15 | Bertin & Cie | Ejecteur-melangeur a effet de trompe a section variable et application |
| SU1236253A1 (ru) * | 1983-11-25 | 1986-06-07 | Производственно-Техническое Предприятие Треста "Укрэнергочермет" | Инжекционна газова горелка |
| AU584414B2 (en) * | 1985-03-16 | 1989-05-25 | Saarbergwerke Aktiengesellschaft | Smoke gas exhaust by way of a cooling tower |
| EP0359794A1 (fr) * | 1988-02-29 | 1990-03-28 | Braun Aktiengesellschaft | Appareil a gaz pour usage personnel |
| ATE232284T1 (de) * | 1996-11-08 | 2003-02-15 | Shrinkfast Corp | Heizpistole mit hochleistungsstrahlpumpe und schnellwechselbaren teilen |
| FR2788112B1 (fr) * | 1998-12-30 | 2001-06-08 | Total Raffinage Distribution | Appareil de type torchere et procede pour la combustion de gaz |
-
1998
- 1998-12-30 FR FR9816621A patent/FR2788109B1/fr not_active Expired - Fee Related
-
1999
- 1999-12-28 CN CNB99815265XA patent/CN1133845C/zh not_active Expired - Fee Related
- 1999-12-28 JP JP2000592574A patent/JP4290343B2/ja not_active Expired - Fee Related
- 1999-12-28 DE DE69924156T patent/DE69924156T2/de not_active Expired - Lifetime
- 1999-12-28 PT PT99964724T patent/PT1157235E/pt unknown
- 1999-12-28 ES ES99964724T patent/ES2241356T3/es not_active Expired - Lifetime
- 1999-12-28 US US09/869,523 patent/US7044730B1/en not_active Expired - Fee Related
- 1999-12-28 WO PCT/FR1999/003299 patent/WO2000040901A1/fr not_active Ceased
- 1999-12-28 EP EP99964724A patent/EP1157235B1/fr not_active Expired - Lifetime
- 1999-12-28 AU AU30487/00A patent/AU3048700A/en not_active Abandoned
- 1999-12-28 KR KR1020017008407A patent/KR100690934B1/ko not_active Expired - Fee Related
- 1999-12-28 AT AT99964724T patent/ATE290671T1/de not_active IP Right Cessation
- 1999-12-29 AR ARP990106824A patent/AR022147A1/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| DE69924156D1 (de) | 2005-04-14 |
| ES2241356T3 (es) | 2005-10-16 |
| WO2000040901A1 (fr) | 2000-07-13 |
| US7044730B1 (en) | 2006-05-16 |
| WO2000040901A9 (fr) | 2002-01-03 |
| JP2002534652A (ja) | 2002-10-15 |
| FR2788109B1 (fr) | 2001-06-08 |
| PT1157235E (pt) | 2005-07-29 |
| ATE290671T1 (de) | 2005-03-15 |
| CN1332837A (zh) | 2002-01-23 |
| KR100690934B1 (ko) | 2007-03-09 |
| FR2788109A1 (fr) | 2000-07-07 |
| EP1157235A1 (fr) | 2001-11-28 |
| KR20010101344A (ko) | 2001-11-14 |
| AU3048700A (en) | 2000-07-24 |
| AR022147A1 (es) | 2002-09-04 |
| JP4290343B2 (ja) | 2009-07-01 |
| DE69924156T2 (de) | 2006-02-16 |
| CN1133845C (zh) | 2004-01-07 |
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