CN1122629A - Apparatus and method for burning combustible gases - Google Patents
Apparatus and method for burning combustible gases Download PDFInfo
- Publication number
- CN1122629A CN1122629A CN 94192025 CN94192025A CN1122629A CN 1122629 A CN1122629 A CN 1122629A CN 94192025 CN94192025 CN 94192025 CN 94192025 A CN94192025 A CN 94192025A CN 1122629 A CN1122629 A CN 1122629A
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- China
- Prior art keywords
- air
- fume pipe
- mixture
- flue gas
- pipe
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2202/00—Fluegas recirculation
- F23C2202/40—Inducing local whirls around flame
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2207/00—Ignition devices associated with burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2209/00—Safety arrangements
- F23D2209/20—Flame lift-off / stability
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
- Feeding And Controlling Fuel (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
An apparatus for burning the combustible components of a gas stream. The apparatus comprises a stack pipe (4, 10) having one end in communication with a gas supply pipe (2) for receiving a gas stream; means (5) for introducing air into the stack pipe to produce an air and gas mixture; a mixing zone (6); means (14) for igniting the air and gas mixture; means (8) for stabilizing; and means (12) located at the other end of the stack pipe for inhibiting downwash. Also disclosed is a method for burning the combustible components of a gas stream utilizing the apparatus.
Description
The present invention relates to the method for equipment and this equipment burning combustible gases of use of burning gases.
In the industrial processes of using combustion furnace, usually run into the gas that contains pollutant as hydro carbons, alcohols, ethers, carbon black and other inflammable constituent.In order to reduce pollutant and useless flue dust enters atmosphere, many devices that are used for burning combustible gases have been proposed.
Device commonly used is called flare stack, and inflammable gas is discharged into open-air air after the flare stack burning.Following patent documentation discloses several example of the prior art.
A kind of equipment and method that the United States Patent (USP) of Ragot discloses the residue smokeless combustion 3,828, No. 700.This equipment comprises the device of air being introduced the chimney of combustion zone and residue being introduced chimney with spray form.Therefore, disclosed equipment requires before residue to be burnouted is introduced chimney, efflorescence or change into spray form.
The United States Patent (USP) of Itoh etc. discloses a kind of equipment of handling gas by burning for 3,852, No. 023.This equipment is formed by being responsible for the one group of arm that is connected with the transmission inflammable gas.According to the inflammable gas flow velocity in being responsible for, this inflammable gas feeds one or a few arm.Arm be connected by vertical tactic multistage combustion stove.Introduce the gas of combustion furnace with being positioned at the first degree ignition device after-combustion of combustion furnace by arm.
The United States Patent (USP) of Hemsath etc. discloses for 3,898, No. 317 and has burned the CIU that contains the inflammable constituent flue gas.This system uses two chambers, and they are connected with the chimney of discharging industrial gasses.First chamber is the circular passage shape at the outlet side of chimney, and therefore, the high-speed air flow that is used as air pump directly becomes vertical with respect to chimney.Second chamber is arranged on the downstream of first chamber, comprises the thermocouple of one group of burner and detection gas temperature.By amount that changes the air of discharging and the amount of supplying with the fuel and the air of burner second Room, in these two chambers, can reach predetermined temperature from first Room.
United States Patent (USP) 3,954 discloses the mix flare burner that is used for burning combustible gases No. 386.This mix flare burner comprises the venturi burner tube of specific dimensions, and gas vent is at the air supply pipe at the throat of venturi burner tube place and be used for the nozzle of igniting of burning combustible gases.
United States Patent (USP) 4,003, one torch smoke combustion device is disclosed for No. 693, this torch smoke combustion device is made up of the chimney that a band focuses on the carrier pipe of inflammable gas, this chimney is made up of the distributor of a band arm, and this distributor upwards is transported to a blending space by one group of fluting with inflammable gas.Flare stack also comprises be used for rotation diffuser that inflammable gas is mixed with the air of introducing under pressure.
The method and apparatus that the purpose of this invention is to provide a kind of burning combustible gases, its advantage will be clearer from following discussion.
A kind of method and apparatus of the inflammable gas composition that the present invention relates to burn in industrial processes and produced.The method and apparatus of the present invention inflammable constituent from the air-flow that carbon black furnace is discharged that is specially adapted to burn during production of carbon black.
Equipment of the present invention comprises:
One fume pipe, an end is connected with air supply pipe, is used to collect air-flow;
Air is introduced fume pipe, to produce the device of air and smoke mixture;
One mixed zone;
The igniter of air and smoke mixture;
The device of the mixture that point of safes overdoes; With
Be positioned at the fume pipe other end, be used to suppress the down wash device of the gaseous product of the discharge that generates by flue gas and AIR MIXTURES burning.
Method of the present invention comprises:
The air-flow that will contain inflammable constituent is introduced an end of fume pipe;
Air is introduced fume pipe, to produce the mixture of air and flue gas;
Air is mixed in the mixed zone with the mixture of flue gas;
The mixture ignition of air and flue gas;
The air that point of safes overdoes and the mixture of flue gas; With
The gaseous product that the burning of flue gas and air mixture is generated discharge fume pipe and
The down wash that suppresses gaseous product.
Method of the present invention preferably utilizes equipment of the present invention to carry out.
Air supply pipe refers to the pipe or the conduit of the gas that is produced in the discharging industrial processes.Air-flow flows into an end of fume pipe from air supply pipe.Under carbon black furnace reactor situation, the air supply pipe discharging air-flow that production of carbon black generated.In equipment of the present invention, air supply pipe with should reduce fully being connected of flue gas pipe end air supply pipe and fume pipe junction or near the bleed possibility of atmosphere of gas.As described below, in embodiment preferred of present device, air feed overlaps mutually with fume pipe.
The device of introducing air can be any device known in the art.The amount of introducing air should be enough to generate the mixture of ignitable air and flue gas.This decision is that those skilled in the art are known.In a preferred embodiment scheme of present device, the device of introducing air is included in a formed annular space between air supply pipe and the flue gas pipe end, and this is to utilize the pipe of different-diameter to form.
After air of introducing and flue gas mixed in the mixed zone, ignitable flue gas and AIR MIXTURES were lighted a fire.The igniter of employed flue gas and air mixture comprises any known devices that is used for the inflammable gas igniting in the present technique field, and lamp, spark generator etc. include, but is not limited to light a fire.Igniter can be arranged on any position of present device, has carried out mixing fully at this position flue gas and AIR MIXTURES, produces ignitable mixture.Preferred igniter is arranged on flame or other igniter and infiltrates the flue gas that overdoed by point and this position, the race way that stabilising arrangement produced of AIR MIXTURES.
In equipment of the present invention and method, flue gas that point of safes overdoes and AIR MIXTURES are to promote the inflammable constituent burning fully basically in the air-flow.The flue gas that point overdoes and the stabilising arrangement of AIR MIXTURES comprise the race way device that a generation flue gas that overdoes and AIR MIXTURES circulate therein.As described below, to describe in more detail of the present invention, stabilising arrangement is included in first fume pipe that links to each other with air supply pipe and the flue gas that will burn and AIR MIXTURES and enters a step (step) between second fume pipe of atmosphere.Stabilising arrangement also can comprise an object, is preferably hemisphere or cone, and is arranged on the fume pipe inside that produces circulation.
After inflammable gas in air-flow became divided combustion, the gaseous product of generation was discharged into atmosphere by fume pipe.The discharge end of fume pipe comprises the restraining device of down wash, upwards is discharged into atmosphere to guarantee the gaseous product that the burning of flue gas and air mixture generates.
Method and apparatus of the present invention is the inflammable constituent in the combustion-gas flow well, makes the pollutant and the flue dust that are discharged into atmosphere reduce to minimum.
Further details of equipment of the present invention and method and advantage are described in more detail below middle proposition in the present invention.
Fig. 1 has described a kind of embodiment of present device.
Fig. 2 has described another embodiment of equipment of the present invention.
As mentioned above, equipment of the present invention comprises:
One fume pipe, an end is connected with air supply pipe, is used to collect air-flow;
Air is introduced fume pipe, with the device of the mixture that produces air and flue gas;
One mixed zone;
The device that is used for the mixture ignition of air and flue gas;
The stabilising arrangement of the mixture of lighting a fire; With
Be positioned at the other end of fume pipe, be used to suppress the device of the down wash of the flue gas gaseous product that burning is become with AIR MIXTURES.
Equipment particularly suitable of the present invention is at that end of the chimney of industrial processes discharging inflammable gas.
A kind of embodiment of equipment of the present invention has been described among Fig. 1.Those of ordinary skill in the art will readily appreciate that equipment shown in Figure 1 is the tail end of design-build at discharging inflammable gas chimney.
With reference to figure 1, equipment 1 of the present invention comprises a fume pipe 4, is connected with air supply pipe 2.The internal diameter D of air supply pipe 2
1Expression, the internal diameter D of fume pipe 4
2Expression.The setting of air supply pipe 2 and fume pipe 4 should make the possibility minimum of the gas that is bled into atmosphere.In equipment one embodiment preferred of the present invention, the overlap joint of pipe as shown in Figure 1.In Fig. 1, D
1Less than D
2, and air supply pipe 2 extends in the fume pipe 4, forms device 5 thus, is used for air is introduced fume pipe 4.The distance H of pipe overlap joint
1Expression.
In the embodiment of present device shown in Figure 1, the device that air is introduced fume pipe 5 is included in the annular space between air supply pipe 2 and the fume pipe 4.Air sucks fume pipe 4 by annular space.As mentioned above, the air capacity of suction fume pipe 4 should be to be enough to produce inflammable flue gas and AIR MIXTURES.This decision is that those of ordinary skill in the art knows.Also as mentioned above, also can comprise other device, for example air delivery pipe that is connected with fume pipe 4 known in the art to the device of air introducing fume pipe 4.
In mixed zone 6, air mixes with air supply pipe 2 discharged flue gas, generates the mixture of air and flue gas.The length of this mixed zone should make the air of introducing and flue gas that sufficient incorporation time is arranged, and generates the mixture of ignitable air and flue gas.Among Fig. 1, the length H of mixed zone
2Expression.
The fume pipe 4 that comprises mixed zone 6 is connected with an end of fume pipe 10, and the internal diameter of fume pipe 10 is D
3, and be provided with the device 14 that is used for air and smoke mixture igniting.Device 14 can comprise the known any device that is used for the inflammable gas igniting in this area, includes, but is not limited to pilot light, spark generator etc.
Igniter 14 can be arranged on any position of present device, with after AIR MIXTURES is fully mixed, produces ignitable mixture at this position flue gas.Preferred igniter is arranged on a such position, infiltrates the flue gas that overdoed by point and the race way that stabilising arrangement produced of air mixture in this position flame or other igniter.In the described embodiment of Fig. 1, igniter 14 is arranged on apart from the distance P place of an end of fume pipe 4, and this fume pipe 4 comprises mixed zone 6.Equipment of the present invention comprises an igniter at least, preferably includes the more than one igniter that is provided with around fume pipe 10 peripheries.
Flue gas and AIR MIXTURES one igniting, usual hybridization just keeps burning.So the generation of lighting a fire, igniter is just closed.But preferred igniter is not closed, with the burning of the stabilized with mixture that guarantees air and flue gas.
In embodiment of the present invention that Fig. 1 describes, D
3Greater than D
2, the width that produces cross section thus is W
2Step 8.Width W
2Should be enough to produce the air that a little overdoes and the stable region of smoke mixture.The air that overdoes by point and the circulation of smoke mixture reach stable.
The length H of fume pipe 10
3The table method, preferred, length H
3Should allow the inflammable constituent completing combustion basically in the mixture of the air that a little overdoes and flue gas.
The other end of fume pipe 10 communicates with atmosphere, and comprises the device 12 that suppresses down wash, upwards is discharged into atmosphere to guarantee the gaseous product that the burning of flue gas and air mixture is generated.As shown in Figure 1, suppress the torch part that down wash device 12 can comprise the frustum of a cone of fume pipe 10, this makes the increasing diameter of fume pipe 10 be added to D
4Torch length and the width partly that comprises the fume pipe 10 of down wash restraining device used H respectively
4And W
3Expression.
Equipment of the present invention can be used the known material manufacturing of one of ordinary skilled in the art.Suitable material includes, but is not limited to stainless steel, fire-resistant material etc.
With reference to figure 1, in the method for the invention, mixed zone 6, mix with air from air supply pipe 2 discharged flue gas.The air that generates and the mixture of flue gas are conveyed into fume pipe 10, and this mixture is lighted a fire with igniter 14 at this.The mixture that the point that generates overdoes is owing to the result of step 8 is stabilized.Inflammable constituent in the mixture of air and flue gas enters atmosphere after burning away in fume pipe 10.The restraining device 12 of down wash helps the flue gas that guarantee point overdoes and the combustion product of AIR MIXTURES upwards to enter atmosphere.
Fig. 2 describes another embodiment of present device.In the equipment that Fig. 2 describes, be provided with internal flame stabilising arrangement 20 in the fume pipe 10.This internal flame stabilising arrangement 20 comprises any object that produces circulation, a preferred circular cone or hemisphere, and be suspended in the air-flow that flows through fume pipe 10.The remainder of equipment shown in Figure 2 and unit affinity shown in Figure 1 are that equipment shown in Figure 2 has omitted step 8 between the fume pipe 4 and 10.The size of fume pipe comprises length and interior warp, and other parts of the restraining device of down wash and equipment shown in Figure 2 can be identical with those equipment shown in Figure 1, also can be inequality.
In another embodiment of present device, this equipment is provided with the step-like external flame stabilising arrangement 8 between internal flame stabilising arrangement 20 and fume pipe 4 and 10.
With reference to figure 2, in the method for the invention, mixed zone 6, mix with air from air supply pipe 2 discharged flue gas.Air that generates and smoke mixture input fume pipe 10, this mixture is lighted a fire with igniter 14 at this.The mixture that the point that generates overdoes is stable with stabilising arrangement 20.Inflammable constituent in air and the smoke mixture enters atmosphere after burning away in fume pipe 10.Down wash restraining device 12 helps the flue gas that guarantee point overdoes and the combustion product of air mixture upwards to enter atmosphere.
The further details and the advantage of present device and method can be clearer from the following examples.
The composition of the air-flow that the following example of vacuum generator Prima600 technical process industry mass spectrograph (A vacuum generator Prima600process industrialmass spectrometer) mensuration that utilizes Britain VG gas analysis system Co., Ltd (VG Gas Analysis System, Ltd.of United Kingdom) to make relates to.Utilize the mass spectrograph specification of random.Air-flow uses Perma Pure drier (Perma PureProduct, limited company makes, Toms river, New Jersey) before analysis, be dried to about 2% (wt) of moisture.
Embodiment:
The effect of present embodiment explanation the inventive method and equipment.
Equipment of the present invention shown in Figure 1 combustion-gas flow with the carbon black furnace reactor discharging of production of carbon black run duration is connected.The mixture ignition of propane igniter with air and flue gas used in stainless steel for equipment manufacturing of the present invention.The geometry and the operating condition of equipment are shown in table 1.
The temperature of the geometry D-1 of table 1 equipment (in) 3.00 D-2 (in) 4.31 D-3 (in) 7.50 D-4 (in) 12.38 H-1 (in) 3.00 H-2 (in) 10.50 H-3 (in) 7.50 H-4 (in) 2.44 W-1 (in) 0.66 W-2 (in) 1.59 W-3 (in) 2.44 P (in) 1.5 igniter propane flows (scfh) 2.67 igniter nozzle size (in) 0.50 feed gas flow rates (Kscfh) 9.35 unstripped gas humidity (vol.%) 35.3 unstripped gas calorific values (BTU/SCF) 66 air supply pipes 2 (°F) air velocity (ft/s) 73 of 254 air supply pipes 2
In=inch scfh=standard cubic foot/hour Kscfh=thousand standard cube inch per hour; The vol.%=percentage by volume; BTU=British Thermal unit; °F=degrees Fahrenheit; The ft/s=inch per second
After drying, measure the air-flow that enters and discharge present device by method described herein and form.The results are shown in table 2.
The composition compound of table 2 dry gas stream enters air-flow and discharges air-flow N
2(vol.%) 62.5 84.18 O
2(vol.%) 3.56 0.00 CO
2(vol.%) 2.44 13.61 Ar (vol.%), 0.67 0.99 C
2H
2(vol.%) 0.223＜0.003 H
2(vol.%) 14.99 0.18 CO (vol.%), 14.55 0.82 CH
4(vol.%) 0.772＜0.003 H
2S (ppmv) 626＜31 SO
2(ppmv) 631 2249 CS
2(ppmv) 959＜15 COS (ppmv) 233＜15
The vol.%=percentage by volume; Ppmv=1,000,000/(volume).
The result of table 2 shows that method and apparatus of the present invention has reduced and comprises CS in the air-flow
2, COS and H
2The emission level of all inflammable constituents of S.These results clearly illustrate that also the efficiency of combustion of equipment of the present invention is high.
These results show that method and apparatus of the present invention can be effectively applied to the burning of inflammable constituent in the gas.
Very clear, described herein of the present invention various structures just describe, and do not plan to limit the scope of the invention.
Claims (3)
1, a kind of equipment of inflammable constituent in the combustion-gas flow, this equipment comprises:
One fume pipe, an end is connected with air supply pipe, is used to collect air-flow;
Air is introduced the device of fume pipe with the mixture of generation air and flue gas;
One mixed zone;
The igniter of the mixture of air and flue gas;
The stabilising arrangement of the mixture that point of safes overdoes; With
Be positioned at the device of down wash that is used to suppress the gaseous product that the burning of flue gas and AIR MIXTURES generates of the other end of fume pipe.
2, the equipment according to claim 1 also comprises several fume pipes, wherein, first fume pipe comprises described mixed zone, described air is arranged in second fume pipe that is connected with above-mentioned first fume pipe with the igniter of smoke mixture, and the diameter of second fume pipe is greater than the diameter of above-mentioned first fume pipe, and above-mentioned flame stabilizer is included in the step between first and second fume pipes.
3, a kind of method of inflammable constituent in the combustion-gas flow, this method comprises:
The air-flow that will contain inflammable constituent is introduced an end of fume pipe;
Air is introduced fume pipe to produce the mixture of air and flue gas;
Air mixes in a mixed zone with the mixture of flue gas;
The mixture ignition of air and flue gas;
The stable flame that is produced by the air and the smoke mixture of igniting;
The gaseous product that the burning of flue gas and AIR MIXTURES is generated is discharged fume pipe;
The down wash that suppresses gaseous product.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB939305820A GB9305820D0 (en) | 1993-03-20 | 1993-03-20 | Apparatus and method for burning combustible gases |
| GB9305820.4 | 1993-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1122629A true CN1122629A (en) | 1996-05-15 |
| CN1110648C CN1110648C (en) | 2003-06-04 |
Family
ID=10732448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94192025A Expired - Fee Related CN1110648C (en) | 1993-03-20 | 1994-03-14 | Apparatus and method for burning combustible gases |
Country Status (14)
| Country | Link |
|---|---|
| EP (2) | EP0913639B1 (en) |
| JP (1) | JPH08507852A (en) |
| CN (1) | CN1110648C (en) |
| AU (1) | AU686151B2 (en) |
| BR (1) | BR9406185A (en) |
| CA (1) | CA2158560A1 (en) |
| CZ (1) | CZ290561B6 (en) |
| DE (2) | DE69419737D1 (en) |
| ES (1) | ES2133550T3 (en) |
| GB (1) | GB9305820D0 (en) |
| HK (2) | HK1015166A1 (en) |
| PT (1) | PT913639E (en) |
| TW (1) | TW240282B (en) |
| WO (1) | WO1994021967A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265090B (en) * | 2008-12-26 | 2014-07-16 | 三菱重工业株式会社 | Ground flare |
| CN104937342A (en) * | 2013-02-14 | 2015-09-23 | 克利尔赛恩燃烧公司 | Selectable dilution low NOx burner |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794846B1 (en) * | 1999-10-12 | 2001-07-20 | Gaz De Petrole | OBSTACLE BURNER CREATING TURBULENCE |
| FR2880103B1 (en) * | 2004-12-23 | 2007-07-20 | Air Liquide | BURNER WITH ELECTRICAL IGNITION |
| GB0509944D0 (en) * | 2005-05-16 | 2005-06-22 | Boc Group Plc | Gas combustion apparatus |
| US7707818B2 (en) * | 2008-02-11 | 2010-05-04 | General Electric Company | Exhaust stacks and power generation systems for increasing gas turbine power output |
| JP5657335B2 (en) * | 2010-10-18 | 2015-01-21 | 株式会社桂精機製作所 | Oil mist removing burner and apparatus for generating oil smoke using the same |
| CN103912884B (en) * | 2014-01-13 | 2017-04-12 | 沈阳农业大学 | Biomass carbonization furnace tail gas treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1193820A (en) * | 1969-04-19 | 1970-06-03 | Ivor Hawkes | Improvements in or relating to Gas Burners |
| GB1249967A (en) * | 1970-07-09 | 1971-10-13 | Joshua Swithenbank | Improvements in or relating to waste gas burners |
| FR2178829B1 (en) | 1972-04-06 | 1974-12-13 | Melle Bezons | |
| US3898317A (en) | 1972-07-24 | 1975-08-05 | Midland Ross Corp | Method for incinerating flue gases |
| US3893810A (en) * | 1972-12-18 | 1975-07-08 | La Clede Lientz | Flare stack burner for odor and pollutant elimination |
| US3852023A (en) | 1972-12-27 | 1974-12-03 | Hitachi Shipbuilding Eng Co | Apparatus disposing waste gas by burning |
| GB1422906A (en) | 1973-05-18 | 1976-01-28 | Huettenwerksanlagen Mbh Ges Fu | Flare burner for burning off combustible waste gases |
| US4003693A (en) * | 1975-03-06 | 1977-01-18 | Combustion Unlimited Incorporated | Flare stack gas burner |
| JP2713627B2 (en) * | 1989-03-20 | 1998-02-16 | 株式会社日立製作所 | Gas turbine combustor, gas turbine equipment including the same, and combustion method |
-
1993
- 1993-03-20 GB GB939305820A patent/GB9305820D0/en active Pending
-
1994
- 1994-01-26 TW TW83100651A patent/TW240282B/zh active
- 1994-03-14 CA CA 2158560 patent/CA2158560A1/en not_active Abandoned
- 1994-03-14 JP JP6521143A patent/JPH08507852A/en not_active Ceased
- 1994-03-14 EP EP99100417A patent/EP0913639B1/en not_active Expired - Lifetime
- 1994-03-14 BR BR9406185A patent/BR9406185A/en not_active IP Right Cessation
- 1994-03-14 CZ CZ19952432A patent/CZ290561B6/en not_active IP Right Cessation
- 1994-03-14 CN CN94192025A patent/CN1110648C/en not_active Expired - Fee Related
- 1994-03-14 ES ES94912778T patent/ES2133550T3/en not_active Expired - Lifetime
- 1994-03-14 AU AU65191/94A patent/AU686151B2/en not_active Ceased
- 1994-03-14 WO PCT/US1994/002715 patent/WO1994021967A1/en active IP Right Grant
- 1994-03-14 PT PT99100417T patent/PT913639E/en unknown
- 1994-03-14 DE DE69419737T patent/DE69419737D1/en not_active Expired - Lifetime
- 1994-03-14 DE DE69904244T patent/DE69904244D1/en not_active Expired - Lifetime
- 1994-03-14 EP EP94912778A patent/EP0688414B1/en not_active Expired - Lifetime
-
1998
- 1998-12-28 HK HK98119159A patent/HK1015166A1/en not_active IP Right Cessation
- 1998-12-28 HK HK00102123A patent/HK1024943A1/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265090B (en) * | 2008-12-26 | 2014-07-16 | 三菱重工业株式会社 | Ground flare |
| CN104937342A (en) * | 2013-02-14 | 2015-09-23 | 克利尔赛恩燃烧公司 | Selectable dilution low NOx burner |
| CN104937342B (en) * | 2013-02-14 | 2017-08-25 | 克利尔赛恩燃烧公司 | The low NO of dilution may be selectedxBurner |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08507852A (en) | 1996-08-20 |
| CZ290561B6 (en) | 2002-08-14 |
| EP0913639A2 (en) | 1999-05-06 |
| PT913639E (en) | 2003-04-30 |
| HK1015166A1 (en) | 1999-10-08 |
| CN1110648C (en) | 2003-06-04 |
| CA2158560A1 (en) | 1994-09-29 |
| GB9305820D0 (en) | 1993-05-05 |
| CZ243295A3 (en) | 1996-03-13 |
| ES2133550T3 (en) | 1999-09-16 |
| DE69904244D1 (en) | 2003-01-16 |
| EP0688414A1 (en) | 1995-12-27 |
| AU686151B2 (en) | 1998-02-05 |
| WO1994021967A1 (en) | 1994-09-29 |
| BR9406185A (en) | 1996-02-06 |
| EP0913639A3 (en) | 1999-08-11 |
| EP0688414B1 (en) | 1999-07-28 |
| HK1024943A1 (en) | 2000-10-27 |
| AU6519194A (en) | 1994-10-11 |
| DE69419737D1 (en) | 1999-09-02 |
| EP0913639B1 (en) | 2002-12-04 |
| TW240282B (en) | 1995-02-11 |
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