CN102072494A - Combustor - Google Patents
Combustor Download PDFInfo
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- CN102072494A CN102072494A CN2011100462416A CN201110046241A CN102072494A CN 102072494 A CN102072494 A CN 102072494A CN 2011100462416 A CN2011100462416 A CN 2011100462416A CN 201110046241 A CN201110046241 A CN 201110046241A CN 102072494 A CN102072494 A CN 102072494A
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Abstract
The invention discloses a combustor, which comprises a main fuel oil gun, a burning torch, a venturi pipe air distributor, an air box, servo regulation mechanisms of the air box, an exhaust gas gun and waste liquor guns, wherein the three fuel guns are concentrically distributed in a circular primary air duct in a way that the main fuel oil gun is positioned in the center, a main sleeve type fuel gas gun is arranged outside the main fuel oil gun and the sleeve type exhaust gas gun forms the outmost layer; a plurality of waste liquor guns are distributed in an annular secondary air duct; a master air door is formed at an inlet of the air box; a main fuel combustion-supporting air door, an exhaust gas combustion-supporting air door and a waste liquor combustion-supporting air door are formed downstream the master air door respectively, and form a coaxial structure; and each air door is provided with the linked servo regulation mechanism. The combustor is applicable to incinerators for performing innocent incineration treatment on industrial hazardous and noxious organic wastewater and exhaust gases by taking oil fuels or gases as main fuels, and is also applicable to various pieces of heat energy thermotechnical equipment realizing combined combustion by various liquid fuels or gas fuels with different Wobbe indexes.
Description
Technical field
The present invention relates to a kind of burner, particularly a kind of burner that can carry out the innoxious burning processing to indusrial toxic, harmful organic exhaust gas, waste liquid.
Background technology
Along with the rapid expansion of China's economic total volume, organic chemical industry's waste gas, discharged waste water sharply increase, and wherein major part contains the organic toxic harmful components, even contain hypertoxic composition (as HCN).These refuses then atmosphere, surface water and soil are caused severe contamination, and effective, the most most economical solution of harmless treatment promptly are high temperature incinerations as not carrying out harmless treatment.Organic liquid waste, waste gas are carried out burning disposal, not only make it finally be converted into innocuous substance, and made full use of the heat energy that is wherein comprised.Therefore, since the beginning of this century, domestic organic enterprise promptly takes incinerating method, handles this class refuse.But before this patent project implementation, waste liquid, waste gas and main fuel respectively adopt the different monomers burner to spray into the incinerator burning respectively; Not only combustion apparatus quantity is many, and is difficult to implement the automatic control of whole unit and regulates operation automatically.In Tianjin occasion wounds environmental project science and technology responsibility Co., Ltd is in the wastewater from chemical industry, waste gas combustion furnace engineering project of the extraordinary ammonia Co., Ltds of Nanjing chemical products (sino-america joint-venture) design, require a burner can be in control automatically, the multiple medium that burn simultaneously under the regulative mode automatically.The said firm has carried out technical advice to the how tame burner in home and abroad manufacturer, does not all have the mature technology and the matured product that are applicable to this kind requirement.
Summary of the invention
Its purpose of the present invention just is to provide a kind of burner, can realize the automatic control of burner and incinerator and regulate operation automatically, has the reliable and combustion stablized characteristics of igniting.Be applicable to that fuel oil or natural gas are main fuel, indusrial toxic, harmful organic wastewater, waste gas are carried out the incinerator that innoxious burning is handled, also applicable to all kinds of heat energy Thermal Equipments with variety classes liquid fuel or the mixed burning of different Wobbe index gaseous fuel.
The technical scheme that realizes above-mentioned purpose and take, comprise main shot fuel, burning torch, the Venturi tube air register, bellows and servo governor motion thereof, also comprise waste gas rifle and waste liquid rifle, described three kinds of fuel guns are that concentric structure is distributed in the circular air channel of wind, main shot fuel is placed in the middle, it is outer to be telescopic main gas gun, outermost layer is telescopic waste gas rifle, the waste liquid rifle then is distributed in the secondary vane shape air channel with the multitube form, and described bellows inlet is provided with a total air door, and total air door downstream is provided with main fuel combustion air air door respectively, waste gas combustion air air door, waste liquid combustion air air door, described main fuel combustion air air door, waste gas combustion air air door, waste liquid combustion air air door is a coaxial structure, and described each air door is equipped with the servo governor motion of coordinated type.
Compared with prior art, beneficial effect of the present invention is,
Owing to the existence of middle pressure atomizing medium (wind), can overcome the shortcoming of conventional burners effectively, be applicable to boiler or other oil burners of high volume heat load.Can realize the automatic control of burner and incinerator and regulate operation automatically, have the reliable and combustion stablized characteristics of igniting.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is this apparatus structure schematic perspective view.
Fig. 2 is this apparatus structure schematic front view.
Fig. 3 revolves the mouth structure schematic diagram for this device burner.
The specific embodiment
Comprise main oil gun 5, burning torch 6, Venturi tube air register 18, bellows 1 and servo governor motion thereof, as shown in Figure 2, also comprise waste gas rifle and waste liquid rifle 7, described three kinds of fuel guns are that concentric structure is distributed in the circular air channel of wind, main oil gun 5 is placed in the middle, it is outer to be telescopic main gas gun, outermost layer is telescopic waste gas rifle, 7 in waste liquid rifle is distributed in the secondary vane shape air channel with the multitube form, and described bellows 1 inlet is provided with a total air door 10, and total air door 10 downstreams are provided with main fuel combustion air air door 9 respectively, waste gas combustion air air door 12, waste liquid combustion air air door 11, described main fuel combustion air air door 9, waste gas combustion air air door 12, waste liquid combustion air air door 11 is a coaxial structure, and described each air door is equipped with the servo governor motion of coordinated type.
Described main gas gun and waste gas rifle front end are provided with natural gas and waste gas power diffuser nozzle, the gas jet orifice normal with revolve a mouthful axis angle and be not less than 70 °, natural gas and emission nozzle air chamber are the ring-type box structure, respectively there are 4, the two is alternately distributed, between per two air chambers interlayer is arranged, two air chamber center line straight angles are 45 °.
The interlock conditioning signal of described total air door is taken from the flue gas oxygen quantity sensor that is installed on the incinerator flue, main fuel combustion air air door interlock conditioning signal is taken from fuel flow sensor, waste gas combustion air air door interlock conditioning signal is taken from the exhaust gas flow sensor, and waste liquid combustion air air door interlock conditioning signal is taken from the waste liquid flow sensor.
Be provided with the flame holder 15 of band swirl vane in a wind passage, the axial location of described flame holder 15 can be regulated.
This device can be to indusrial toxic, harmful organic exhaust gas, waste liquid carries out the burner (hereinafter to be referred as burner) that innoxious burning is handled, mainly by main shot fuel, main gas gun, the waste gas rifle, the waste liquid rifle, burning torch (oil or gas), bellows, air door and servo governor motion thereof, the Venturi tube air register, parts such as flame holder are formed, burn thermal source main fuel (fuel oil or natural gas) with by the waste gas of burning disposal, waste liquid can mix with combustion air through the same mouth that revolves simultaneously, the igniting back forms many fuel mix combustion flame, makes poisonous, it is nontoxic that harmful organic substance finally forms H2O and CO2 etc., innocuous substance.
Three kinds of fuel guns are that concentric structure is distributed in circular air channel of wind.Wherein, main shot fuel is placed in the middle, and it is outer to be telescopic main gas gun, and outermost layer is telescopic waste gas rifle, and the waste liquid rifle then is distributed in the secondary vane shape air channel with the multitube form.
Fuel oil and waste liquid atomizer all adopt Y type internal-mixing high-pressure medium (steam or compressed air) atomizer; Natural gas and waste gas all adopt the power diffuser nozzle, the gas jet orifice normal with revolve a mouthful axis angle and be not less than 70 °.Natural gas and emission nozzle body (air chamber) are the ring-type box structure, respectively have 4.The two is alternately distributed, and between per two air chambers interlayer is arranged, and two air chamber center line straight angles are 45 °.
The bellows inlet is provided with a total air door, total air door downstream is provided with main fuel (oil or combustion gas) combustion air air door, waste gas combustion air air door, waste liquid combustion air air door respectively.Each air door all is provided with the servo governor motion of coordinated type, wherein, the interlock conditioning signal of total air door is taken from the flue gas oxygen quantity sensor that is installed on the incinerator flue, main fuel combustion air air door interlock conditioning signal is taken from fuel flow sensor, waste gas combustion air air door interlock conditioning signal is taken from the exhaust gas flow sensor, and waste liquid combustion air air door interlock conditioning signal is taken from the waste liquid flow sensor.
In a wind passage, be provided with the flame holder of band swirl vane.The axial location of this flame holder can be regulated within the specific limits.
1. burner structure feature
The primary structure feature that this kind burner is different from the other types burner is: the one, multiple combustion medium (fuel oil, natural gas, waste liquid, waste gas and combustion-supporting burning air) is provided with separately passage and import and export, and all outlet ports arranged concentric is revolved within the mouth same.The 2nd, various combustible mediums all are provided with independently air door and total air door, and each air door is provided with servo governor motion.The bellows of this kind burner are identical with revolving-cup combustor with the structure of secondary wind cyclone, ignition, and modular constructions such as fuel control, governor motion are identical with frequency modulation type steam/compressed air atomizing type burner.Multiple combustible medium and combustion air from separately independently passage and spout enter the same mouth that revolves, after mixing mutually, ignition; In running, the straying quatity of each combustible medium and corresponding combustion-supporting air quantity all have flow control device, and can realize the automatic adjusting of the two in proportion.
2. operation principle
When incinerator (or other fuel oils, gas furnace) black furnace starts, burner main fuel and/or main combustion gas ejection fuel, after lighting, igniter flame forms main fiery flame, when furnace temperature reaches design temperature (as 800 ℃), waste gas rifle and/or waste water rifle start, spray into waste gas and/or waste water, realize innoxious burning processing.Main fuel in the combustion process (fuel oil and/or natural gas) input quantity is regulated by the furnace temperature Signal Regulation, the opening, stop being controlled by the furnace temperature switching signal of waste gas and/or waste water rifle; The combustion air total amount is regulated by flue gas oxygen content, and each combustion medium combustion-supporting air quantity is regulated by each combustion medium flow signal.Thus, burner and incinerator can be realized control operation automatically.
3. major function
3.1 being applicable to fuel oil and/or natural gas is main fuel, indusrial toxic, harmful organic wastewater, waste gas are carried out the incinerator that innoxious burning is handled, also applicable to all kinds of heat energy Thermal Equipments with variety classes liquid fuel and/or the mixed burning of different Wobbe index gaseous fuel.
3.2 series of products main fuel output power range is 260kw～90000kw.The adjusting that can link with the variation of the Lower heat value of waste gas, waste water and input quantity of the real output of main fuel.
3.3 can realize the automatic control of burner and incinerator and regulate operation automatically.
3.4, guaranteed the igniting reliability and the combustion stability of burner by the position adjustments of flame holder.
3.5 waste gas, waste water are sneaked into from main flame root, can effectively guarantee to be harmful to, the decomposition and the burning of toxic component.
When 3.6 incinerator normally moves,, O2 in the flue gas≤5.0%, CO≤0. 010%, NOx≤100mg/m3, dust≤50mg/m3, blackness are not more than 1 grade of Lin Geman, have reached the regulation of GB/T13271-2001 " emission standard of air pollutants for boilers ".
Claims (4)
1. burner, comprise main oil gun (5), burning torch (6), Venturi tube air register (18), bellows (1) and servo governor motion thereof, it is characterized in that, also comprise waste gas rifle and waste liquid rifle (7), described three kinds of fuel guns are that concentric structure is distributed in the circular air channel of wind, main oil gun (5) is placed in the middle, it is outer to be telescopic main gas gun, outermost layer is telescopic waste gas rifle, waste liquid rifle (7) then is distributed in the secondary vane shape air channel with the multitube form, described bellows (1) inlet is provided with a total air door (10), total air door (10) downstream is provided with main fuel combustion air air door (9) respectively, waste gas combustion air air door (12), waste liquid combustion air air door (11), described main fuel combustion air air door (9), waste gas combustion air air door (12), waste liquid combustion air air door (11) is a coaxial structure, and described each air door is equipped with the servo governor motion of coordinated type.
2. according to the described a kind of burner of claim 1, it is characterized in that, described main gas gun and waste gas rifle front end are provided with natural gas and waste gas power diffuser nozzle, the gas jet orifice normal with revolve a mouthful axis angle and be not less than 70 °, natural gas and emission nozzle air chamber are the ring-type box structure, respectively have 4, and the two is alternately distributed, between per two air chambers interlayer is arranged, two air chamber center line straight angles are 45 °.
3. according to the described a kind of burner of claim 1, it is characterized in that, the interlock conditioning signal of described total air door is taken from the flue gas oxygen quantity sensor that is installed on the incinerator flue, main fuel combustion air air door interlock conditioning signal is taken from fuel flow sensor, waste gas combustion air air door interlock conditioning signal is taken from the exhaust gas flow sensor, and waste liquid combustion air air door interlock conditioning signal is taken from the waste liquid flow sensor.
4. according to right 1 described a kind of burner, it is characterized in that be provided with the flame holder (15) of band swirl vane in a wind passage, the axial location of described flame holder (15) can be regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110046241 CN102072494B (en) | 2011-02-27 | 2011-02-27 | Combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110046241 CN102072494B (en) | 2011-02-27 | 2011-02-27 | Combustor |
Publications (2)
| Publication Number | Publication Date |
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| CN102072494A true CN102072494A (en) | 2011-05-25 |
| CN102072494B CN102072494B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110046241 Active CN102072494B (en) | 2011-02-27 | 2011-02-27 | Combustor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727536A (en) * | 2013-12-05 | 2014-04-16 | 西安西热锅炉环保工程有限公司 | Multistage adjustable ultralow-nitrogen strong and weak rotational flow opposed-impact gas burner |
| CN108916875A (en) * | 2018-09-12 | 2018-11-30 | 南京博纳能源环保科技有限公司 | A kind of low nitrogen combustion combustor |
| CN109724093A (en) * | 2017-10-30 | 2019-05-07 | 北京航化节能环保技术有限公司 | A kind of burner and combustion method handling High water cut low heat value organic wastewater |
| CN110553267A (en) * | 2019-08-29 | 2019-12-10 | 东方电气集团东方锅炉股份有限公司 | multi-fuel low-nitrogen combustor |
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| CN201615486U (en) * | 2010-03-24 | 2010-10-27 | 四川川锅锅炉有限责任公司 | Multi-gun adjustable centralized gas-supply oil-gas burner |
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| CN86103682A (en) * | 1985-06-10 | 1987-02-18 | 慢燃火柴开发公司 | The solid-fuelled method and apparatus of combustion of liquid fuel and/or efflorescence |
| US6027330A (en) * | 1996-12-06 | 2000-02-22 | Coen Company, Inc. | Low NOx fuel gas burner |
| DE69832427T2 (en) * | 1997-12-15 | 2006-07-27 | United Technologies Corp., Hartford | Fuel injector with bluff body and method for premixing fuel and air |
| JP2001280604A (en) * | 2000-03-31 | 2001-10-10 | Osaka Gas Co Ltd | Combination oil and gas burner and exhaust gas treating device using the same |
| CN1786573A (en) * | 2005-12-01 | 2006-06-14 | 中国科学院山西煤炭化学研究所 | Burning furnace for treating unsyn dimethyl hydrazonium or/and dinitrogen tetra oxide and its application method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727536A (en) * | 2013-12-05 | 2014-04-16 | 西安西热锅炉环保工程有限公司 | Multistage adjustable ultralow-nitrogen strong and weak rotational flow opposed-impact gas burner |
| CN103727536B (en) * | 2013-12-05 | 2015-11-11 | 西安西热锅炉环保工程有限公司 | The multistage adjustable strong and weak rotation flow impact gas burner of ultralow nitrogen |
| CN109724093A (en) * | 2017-10-30 | 2019-05-07 | 北京航化节能环保技术有限公司 | A kind of burner and combustion method handling High water cut low heat value organic wastewater |
| CN109724093B (en) * | 2017-10-30 | 2020-03-17 | 北京航化节能环保技术有限公司 | Burner and combustion method for treating high-water-content low-calorific-value organic wastewater |
| CN108916875A (en) * | 2018-09-12 | 2018-11-30 | 南京博纳能源环保科技有限公司 | A kind of low nitrogen combustion combustor |
| CN108916875B (en) * | 2018-09-12 | 2024-02-20 | 南京博纳能源环保科技有限公司 | Low-nitrogen mixed combustion burner |
| CN110553267A (en) * | 2019-08-29 | 2019-12-10 | 东方电气集团东方锅炉股份有限公司 | multi-fuel low-nitrogen combustor |
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| CN102072494B (en) | 2013-06-05 |
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Effective date of registration: 20200407 Address after: 332100 No.29, Shiniu Road, chengxigang District, Jiujiang City, Jiangxi Province Patentee after: CSSC Jiujiang Boiler Co., Ltd Address before: 332008 Anping Road, Mount Lu District, Jiangxi, Jiujiang 1007 Patentee before: CSSC JIANGXI MARINE INSTRUMENT Co.,Ltd. |
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