EP0476548A2 - Brûleur de torche - Google Patents

Brûleur de torche Download PDF

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Publication number
EP0476548A2
EP0476548A2 EP91115607A EP91115607A EP0476548A2 EP 0476548 A2 EP0476548 A2 EP 0476548A2 EP 91115607 A EP91115607 A EP 91115607A EP 91115607 A EP91115607 A EP 91115607A EP 0476548 A2 EP0476548 A2 EP 0476548A2
Authority
EP
European Patent Office
Prior art keywords
gas
central
tubes
gas channel
pilot
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
EP91115607A
Other languages
German (de)
English (en)
Other versions
EP0476548B1 (fr
EP0476548A3 (en
Inventor
Dieter Dipl.-Ing. Fischer
Martin Dipl.-Ing. Hahn
Dieter Dipl.-Ing. Harms
Rolf Dipl.-Ing. Remer
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.)
BEB Erdgas und Erdol GmbH
John Zink GmbH
Original Assignee
BEB Erdgas und Erdol GmbH
John Zink 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
Application filed by BEB Erdgas und Erdol GmbH, John Zink GmbH filed Critical BEB Erdgas und Erdol GmbH
Publication of EP0476548A2 publication Critical patent/EP0476548A2/fr
Publication of EP0476548A3 publication Critical patent/EP0476548A3/de
Application granted granted Critical
Publication of EP0476548B1 publication Critical patent/EP0476548B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/08—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks
    • F23G7/085—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks in stacks

Definitions

  • the present invention relates to a torch burner with a central gas channel, a wind apron surrounding the upper end of the gas channel at a distance, pilot burners arranged within the wind apron and with a feed device for breathing and release gas.
  • Torch burners of this type are used both in the production of crude oil and natural gas and in the refining and processing of hydrocarbon products. As a rule, they serve to flare off the gas that is produced and cannot be processed during the production and production process in a controlled manner.
  • Torch gas Natural gas
  • escaping through the central gas channel which is relatively high calorific, is burned.
  • other low-calorific gases are produced in the processing and production process, which evaporate, for example, from storage tanks and are referred to as breathing or release gas, often also with regard to their composition as sour gas.
  • gases mainly consist of a mixture of air, hydrocarbons and / or hydrogen sulfide. There are only traces of other gases in it. These mixtures do not have a very high calorific value, but they must also be flared to avoid unnecessary pollution of the environment. For this reason, in addition to the central gas channel, further supply devices for such breathing and release gases are provided.
  • Burnout loss refers to the relative proportion of the unburned hydrocarbons and the hydrogen sulfide in the exhaust gas, either based on the total exhaust gas quantity or based on the hydrocarbon or hydrogen sulfide content previously present in the stripping gas.
  • Hydrogen sulfide is a relatively poisonous and unpleasant smelling substance, so that these properties are decisive for the aim of burning the H2S portion as completely as possible.
  • the known torch burners have relatively high burn-out losses with regard to the combustion of degassing gas, so they burn the combustible components only very incompletely.
  • relatively high temperatures arise during combustion, whereby the formation of carbon monoxide and nitrogen oxides is not entirely excluded.
  • the formation of sulfur dioxide is inevitable due to the combustion of the hydrogen sulfide contained in the release gas, as well as the generation of carbon dioxide.
  • the present invention is therefore based on the object of creating a torch burner with the features mentioned at the outset, which has lower burnout losses and, moreover, also produces little harmful exhaust gases.
  • feed devices for the degassing gas are arranged near the inner wall of the central channel, the diameter of which is small compared to the diameter of the central channel and the number of which is at most equal to the number of pilot burners, their outlet openings being below the pilot burner.
  • This design of the torch burner has the result that the already relatively low calorific release gases are passed directly into the area of the pilot burner flame without further dilution and there they burn quickly and largely completely. There are practically no significant dilutions of the gases at the outlet of the tubes, and the combustible components are fed directly to a flame area, so that they ignite relatively quickly.
  • the outlet openings of the tubes are formed by a cut along a plane inclined to the tube axis. No special nozzles are required to direct the gas stream emerging from the pipes. If the plane of the outlet openings lies obliquely to the pipe axis, it is expedient and advantageous to partially direct these outlet openings directed laterally away from the pipe axis towards the inner wall of the gas channel. The gas then sweeps upwards along the remaining part of the inner wall immediately in front of the mouth of the pilot burner, which likewise opens into this area. The distance between the outlet opening of such a tube and the outlet opening of the central channel is thus relatively small. The diameter of the pipes for the stripping gas is also relatively small compared to the diameter of the central gas channel.
  • the wind apron is essentially a simple or double-walled cylinder jacket covering the upper area of the central gas channel at a distance. Such a wind apron ensures favorable flow conditions at the outlet opening of the central gas channel and at the same time serves as a screen, so that the flaring of the release gas and the flames of the pilot burners are generally not visible from outside.
  • the pilot burners are arranged in the space between the wind apron and the upper end of the central gas channel and their mouth is directed towards the axis of the central gas channel.
  • the outlet openings of the pipes for the degassing gas preferably open relatively close below the upper end of the central gas channel and thus also directly below the mouths of the pilot burners.
  • the pilot burners are distributed at regular intervals along the circumference of the central gas duct, e.g. B. three pilot burners at angular intervals of 120 °.
  • Each of these pilot burners is preferably assigned a tube for removal gas, which has the same angular position as the associated pilot burner and is guided upwards on the inner wall of the central gas duct. The stripping gas is therefore fed directly and undiluted into the flame area of the pilot burner.
  • the distributor is a double cylinder, in the space between which at least one main degassing pipe opens axially or radially from the outside, while the individual pipes for the degassing gas branch off from the cylindrical inner wall of the distributor.
  • the distributor is expediently designed in such a way that, at a distance from the upper end of the central gas channel, a sleeve surrounds the central gas channel at a distance, so that an annular space is formed between the inner wall of the sleeve and the outer wall of the central gas channel. This space is closed in the axial direction by suitable flat rings.
  • the sleeve In the radial direction, the sleeve has a connection opening for connecting a main degassing pipe for degassing gas.
  • the central gas channel then has outlet openings for the stripping gas in the area of the sleeve, preferably at equal angular intervals, to which the aforementioned pipes are connected, which then feed the stripping gas to the pilot burners assigned to them.
  • the main degassing pipe could also be guided axially into such a distribution space in the area of the lower ring.
  • the cuff can also have an opening flap for control purposes.
  • An embodiment of the invention is particularly preferred in which the axis of a pilot burner and the axis of the associated tube converge on a common point in front of the outlet opening of the pilot burner and in front of the outlet opening of the tube. This point is preferably in the flame core of the pilot burner.
  • the torch burner head 20 which consists of the upper end of a central gas channel 1, a wind apron 2 concentrically surrounding this upper end at a distance and inside the wind apron at uniform intervals around the end of the central gas channel arranged pilot burners 3.
  • the upper end of the central gas channel can be configured in a suitable manner as a nozzle in order to appropriately shape the emerging flare gas stream and the resulting flame.
  • a main degassing pipe 9 leading upwards laterally outside the central channel 1 can also be seen in FIG. 1, which opens into the sleeve 11 in the radial direction.
  • the sleeve 11 forms the outer wall of a double-walled hollow cylinder, which serves as a distributor 6 for degassing gas and the like.
  • the inner wall of the distributor 6 is formed by a section of the central gas channel 1.
  • the space between the sleeve 11 and the central channel 1 is closed in the axial direction by sealingly attached ring disks.
  • three through openings are provided in the central gas channel 1 at angular intervals of 120 °, from which pipes 4 along the inner wall of the gas channel 1 guide the degassing gas emerging from the distributor 6 upward to the mouth of the central gas channel 1 .
  • Fig. 1 only one of these pipes is shown as an example, while in addition the distributor opening in the central gas channel for another pipe 4 is shown.
  • the upper free end of the tubes 4 is chamfered so that the longer side of the tube for Axis of the central gas channel is directed so that it is ensured that the escaping gas predominantly flows upwards along the remaining section of the inner wall of the gas channel 1 into the flame area of the pilot burner 3.
  • the free end of the tubes 4 can be designed in any way as a nozzle. A certain nozzle effect can also be achieved by the interaction of the outlet opening 5, which is inclined with respect to the axis of the tube 4, with a conically inwardly inclined edge of the upper end of the central gas channel.
  • Fig. 1 is still a supply line 12 for one of the pilot burner 3 with lower and upper brackets 13 can be seen.
  • the wind apron 2 is double-walled, which contributes to favorable malfunction conditions, since the outer wall of the wind apron 2 heats up only moderately during operation of the torch burner, so that a suction effect due to hot gases flowing up occurs primarily inside the wind apron and so in draws sufficient oxygen to burn the gases as completely as possible.
  • Fig. 2 it can be seen that three pilot burners 3 are arranged along the circumference of the burner head at uniform angular intervals of 120 °, each of which is assigned its own tube 4 for degassing gas, which opens directly below the pilot burner in the same angular position.
  • the upper edge of the central gas channel 1, which is not shown in Fig. 1 is somewhat drawn, so that together with the oblique cut of the tubes 4 at the outlet opening, a certain nozzle effect for the under relatively low pressure escaping release gas results.
  • the main degassing pipe 9 and the distributor 6 shown in dashed lines, which has outer access flaps 14 for maintenance and monitoring purposes, can also be seen in FIG. 2.
  • Burnout losses are below 5% for hydrocarbons, typically in the order of 3% and below 1% for hydrogen sulfide.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Feeding And Controlling Fuel (AREA)
EP91115607A 1990-09-19 1991-09-14 Brûleur de torche Expired - Lifetime EP0476548B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4029715 1990-09-19
DE4029715A DE4029715A1 (de) 1990-09-19 1990-09-19 Fackelbrenner

Publications (3)

Publication Number Publication Date
EP0476548A2 true EP0476548A2 (fr) 1992-03-25
EP0476548A3 EP0476548A3 (en) 1992-09-02
EP0476548B1 EP0476548B1 (fr) 1995-03-08

Family

ID=6414561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91115607A Expired - Lifetime EP0476548B1 (fr) 1990-09-19 1991-09-14 Brûleur de torche

Country Status (3)

Country Link
EP (1) EP0476548B1 (fr)
AT (1) ATE119651T1 (fr)
DE (2) DE4029715A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702572B2 (en) * 2001-08-20 2004-03-09 John Zink Company, Llc Ultra-stable flare pilot and methods
CN105927992A (zh) * 2016-04-21 2016-09-07 北京航天动力研究所 一种可处理有毒气体的空气预混型火炬燃烧器
CN114110625A (zh) * 2021-09-26 2022-03-01 南高齿(包头)传动设备有限公司 废气燃烧装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19854581A1 (de) * 1998-11-26 2000-06-08 Messer Griesheim Gmbh Vorrichtung und Verfahren zum Umwandeln des Boil-Off-Gases von Kryo-Kraftstofftanks
CN114278961A (zh) * 2021-12-14 2022-04-05 陕西航空电气有限责任公司 一种稳焰节能高效的多功能长明灯

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429645A (en) * 1967-09-20 1969-02-25 Zink Co John Flare stack burner
US4468193A (en) * 1983-03-03 1984-08-28 Mcgill Incorporated Staged hydrocarbon combustion system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702572B2 (en) * 2001-08-20 2004-03-09 John Zink Company, Llc Ultra-stable flare pilot and methods
US6840761B2 (en) 2001-08-20 2005-01-11 John Zink Company, Llc Ultra-stable flare pilot and methods
CN105927992A (zh) * 2016-04-21 2016-09-07 北京航天动力研究所 一种可处理有毒气体的空气预混型火炬燃烧器
CN114110625A (zh) * 2021-09-26 2022-03-01 南高齿(包头)传动设备有限公司 废气燃烧装置

Also Published As

Publication number Publication date
DE4029715A1 (de) 1992-03-26
DE59104859D1 (de) 1995-04-13
EP0476548B1 (fr) 1995-03-08
EP0476548A3 (en) 1992-09-02
ATE119651T1 (de) 1995-03-15

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