CN103822207A - Variable pressure and variable working condition oil burner - Google Patents

Variable pressure and variable working condition oil burner Download PDF

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CN103822207A
CN103822207A CN201210466160.6A CN201210466160A CN103822207A CN 103822207 A CN103822207 A CN 103822207A CN 201210466160 A CN201210466160 A CN 201210466160A CN 103822207 A CN103822207 A CN 103822207A
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burner
oxidant
alevaire
oil
pressure
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CN103822207B (en
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王明坤
姜从斌
信伟
郭进军
陈拴柱
魏佳
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Changzheng Engineering Co Ltd
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Changzheng Engineering Co Ltd
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Abstract

The invention provides a variable-pressure and variable-working-condition oil burner for a coal gasification furnace, which is suitable for a high-pressure environment, has the ignition and combustion capabilities of the working process of any constant pressure, variable pressure and continuous variable working condition within the pressure range of 0-2.0MPaG, and is used for igniting a process burner of the coal gasification furnace. The burner comprises a body sleeve and a premixing jet head. Wherein, the body part sleeve is coaxially arranged and sequentially comprises a liquid fuel outer sleeve, an atomizing agent outer sleeve and an oxidant outer sleeve from inside to outside. The annular space between the sleeves forms each medium channel. The premixing jet flow head comprises an inner layer of contraction type sonic or high subsonic speed nozzle and an outer layer of contraction type sonic or high subsonic speed nozzle and a two-stage atomization mixing chamber, and high-efficiency atomization mixing and stable ignition combustion of fuel and oxidant can be realized. The double-layer closed annular channel cooling structure is arranged on the outermost layer of the body part and the head part of the burner and is in sealing connection with the gasifier body through the mounting flange, so that the sealing and the non-ablation of the burner under the furnace pressure of 0-8MPaG and the furnace temperature of 1200-1700 ℃ can be ensured.

Description

A kind of transformation, variable working condition oil burner
Technical field
The present invention relates to a kind of oil burner, especially relate to a kind of for gasification furnace and can adapt to the transformation under hyperbaric environment, the novel startup burner of variable working condition.
Background technology
The Coal Gasification Technology of high effect cleaning is the main flow of current China Coal Gasification Technology development, and industrialized Coal Gasification Technology is mainly fine coal pressurization and two kinds of gasification technology modes of coal water slurry gasification.
Gasification furnace is the key equipment of coal water slurry gasification and powdered coal pressuring gasified technology, and the start-up process of gasification furnace completes by startup burner conventionally.
Coal slurry gasifier is in the time going into operation, and startup burner, in micro-negative pressure and normal pressure operating mode, treats that in stove, temperature reaches feed temperature, startup burner is removed, install after refractory brick and startup burner blind flange, gasification furnace just can carry out start-of-run simultaneously, and sparking mode is manual firing, therefore, wholely go into operation, ignition process complex operation, automaticity is low, is easy to flame-out and is difficult for discovering, labor strength is large, site operation personnel's poor stability.
Powdered coal pressuring gasified stove is in the time going into operation, startup burner can be realized transformation, the variable working condition Load Regulation within the scope of certain pressure, but pressure limit is not conventionally higher than 1.0MPa, the furnace pressure of corresponding industrialized powdered coal pressuring gasified stove is not conventionally also higher than 4.0MPa, and this has seriously restricted the development of maximization more energy-conservation, environmental protection more, high-pressure trend Coal Gasification Technology.
In addition, the startup burner of powdered coal pressuring gasified stove is in transformation, variable working condition process, and because fortuitous event causes after parking, furnace pressure need to be down to normal pressure again, just can restart the igniting of startup burner and transformation, Off-design operation, cause the whole flame-out accident treatment time longer.
Summary of the invention
In order to overcome the deficiency of startup burner in existing Coal Gasification Technology, the invention provides transformation, variable working condition oil startup burner under a kind of novel adaptation hyperbaric environment, any level pressure of this burner in not only can realizing from normal pressure 0MPaG to high pressure 2.0MPaG pressure limit, transformation, the continuously liquid fuel variable working condition and stable ignition and the burning of oxidant, and can guarantee sealing and the not ablation of burner under 0-8MPaG furnace pressure, 1200-1700 ℃ furnace temperature.
Above-mentioned purpose of the present invention is achieved by the following technical solution:
A kind of oil burner that can adapt to transformation under hyperbaric environment, variable working condition provided by the invention, comprises body parts casing pipe and premixing jet head 2 parts, wherein:
Body parts casing pipe adopts coaxial-type arrangement, from interior to being respectively liquid fuel outer tube, Alevaire outer tube and oxidant outer tube outward; Annular space between sleeve pipe and sleeve pipe forms each road medium channel, and its innermost layer is fuel medium passage, and intermediate layer is Alevaire passage, and outermost layer is oxidant channel; Each medium channel entrance point is provided with liquid fuel entrance, Alevaire entrance and oxidant inlet successively, and seals respectively by Alevaire cover plate and oxidant cover plate.The benefit of this structure is simple in structure, is convenient to disassemble maintenance, has realized the coaxial conveying of liquid fuel, Alevaire and oxidant simultaneously;
Premixing jet head comprises liquid fuel spray orifice, Alevaire spray orifice, one-level atomization mixing chamber, secondary atomization mixing chamber, atomized fuel nozzle, main burner, oxidant swirl-flow devices; The Main Function of this head is that high-efficient atomizing and the atomized fuel of realizing liquid fuel mix with the full and uniform of oxidant;
The body portion of burner and the outermost layer of head are furnished with cooling structure and carry out thermal protection, and burner body is connected with gasification furnace furnace sealing by mounting flange, can guarantee to possess good sealing under burner interface 8MPaG furnace pressure.
Preferably, the passage of described cooling structure is double seal formula annular channel structure, formed by oxidant outer tube and cooling medium outer tube, and by cooling jacket be separated into inside and outside two-layer annular channel and; Two-layer annular channel is respectively equipped with cooling medium outlet and cooling medium entrance, and by cooling medium cover plate for sealing.
Preferably, the passage of cooling structure is inside and outside double-deck closed annular channel structure, and cooling medium is that high density, higher boiling, reactivity are poor, the good liquid that conducts heat serves as, for example oil, water.Determine that thus this burner type of cooling is oil cooling or water-cooled.Meanwhile, in burner the material of part preferably high temperature resistant, corrosion resistant Ni-based, cobalt-based or/and Hastelloy material, such as Co50, INCONEL600, Ha Shi C-22, Hastelloy C-276, Incoloy800H etc.
The setting of high-temperature alloy in cooling structure and stove, can extend service life of burner greatly, and especially the anti-ablation ability of burner head in stove, can guarantee that burner long period steady operation is under 1200-1700 high temperature.
Preferably, the import of cooling structure and outlet are interchangeable, and cooling medium flows to and can adjust flexibly as required.
Preferably, the fuel medium of burner can be gently, heavy diesel fuel, biodiesel, the liquid fuels such as methyl alcohol synthesis type diesel oil; Alevaire can be air, nitrogen and steam; Oxidant can be the mist of oxygen, air and oxygen and inert gas.The Adaptability of medium of burner is very extensive.
Preferably, liquid fuel spray orifice is single hole or loose structure, arranges between two parties, and spray orifice can be straight hole or profile hole; Profile hole refers to shrinkage hole, expanded bore or both combinations of straight line, curve or Lavalle curve; Porous can be two holes, three holes or the mutual impact structure of porous more.The Main Function of single hole is throttling, and the Main Function of porous is throttling and broken fuel.
Preferably, Alevaire spray orifice is loose structure, and is along the circumferential direction evenly arranged in around liquid fuel spray orifice with angle a; Alevaire spray orifice is velocity of sound spray orifice, and spray orifice number is 3-10, and jet nozzle angle a is 30 °-90 °.The effect of Alevaire spray orifice is that guiding Alevaire carries out first atomization to liquid fuel, utilizes the high velocity impact momentum of Alevaire that liquid fuel is broken into fine particle.
Preferably, the atomized fuel nozzle of internal layer and outer field main burner are velocity of sound or high subsonic speed spout, the eustasy that can guarantee back pressure can not affect atomizing of liquid fuel quality, between inside and outside two-layer nozzle, form secondary atomization mixing chamber simultaneously, liquid fuel, Alevaire and oxidant are carried out to secondary-atomizing mixing, make fuel combustion more fully stable; The spout of two nozzles is single hole or loose structure, and spray orifice can be straight hole or profile hole; Profile hole refers to shrinkage hole, expanded bore or both combinations of straight line, curve or Lavalle curve; Porous can be two holes, three holes or more external diffusion formula or the impacting type structure mutually of porous.
Preferably, oxidant outlet adopts direct current or cyclone mode ejection; In the time that oxidant eddy flow sprays, swirl-flow devices is arranged in and shrinks on shape oxidant spout neighbouring straight length or Taper Pipe section, is axial adjustable cyclone structure, and preferred eddy flow angular range is 10 o-75 o.The setting of swirl-flow devices can increase the stability of burner flame, improves the adaptive capacity of variable working condition.
Preferably, described atomized fuel nozzle (22) adopts the mode that inside contracts, and jet expansion can adopt direct current or cyclone mode ejection.
Preferably, atomizing of liquid fuel mode is multistage premixing jet, guarantees that liquid fuel has good atomizing effect.
Preferably, this burner quits work lighting after process burner, need not extract gasification furnace out, has greatly simplified system operation.
Preferably, the ignition and combustion of this burner in the whole course of work adopts automatically to be controlled, and has saved manpower, has improved the safe operation ability of device.
The present invention, owing to adopting above technical scheme, makes it have following advantage:
(1) bushing type body portion is simple in structure, is convenient to processing and manufacturing and reprocesses and disassemble, and greatly shortens the production cycle, reduces labor intensity.
(2) three grades of atomization hybrid modes under the velocity of sound (or high subsonic speed) that inside and outside double-deck nozzle and atomization mixing chamber form, guarantee not variation of atomization quality in level pressure, transformation, variable working condition adjustment process, mix more even, greatly shorten ignition time, improved the burn-off rate of fuel medium simultaneously.
(3) when oxidant disposed axle is to adjustable eddy flow device, greatly improve combustion stability and the load variations adaptive capacity of burner, make load regulation rate can reach 20:1, can adapt to transformation, Off-design operation in 0-2.0MPaG pressure limit completely.
(4) setting of double seal formula ring-type cooling structure and high-temperature alloy material, guarantees part in burner, and especially head is not ablated under burner hearth 1200-1700 ℃ of hyperthermia radiation environment, greatly extends burner service life.
(5) flange connects and the sealing of becket pad, guarantees burner interface zero leakage under 8MPaG furnace pressure.And/or
(6) ignition and combustion of the whole course of work adopts and has automatically controlled, and has greatly alleviated workman's labour intensity, and processing time of flame-out accident has been shortened in the security that raising system is moved.
Accompanying drawing explanation
Fig. 1 is agent structure principle cutaway view of the present invention.
Fig. 2 is the head view of Fig. 1.
Fig. 3 is liquid fuel jet orifice structure view.
Fig. 4 is oxidant spout structure view.
Fig. 5 is atomized fuel nozzle and main burner topology view.
Fig. 6 is the spout swirl-flow devices principle structure view of atomized fuel nozzle.
In figure: 1. liquid fuel entrance, 2. liquid fuel outer tube, 3. Alevaire outer tube, 4. oxidant cover plate, 5. oxidant inlet, 6. cooling medium entrance, 7. cooling medium outer tube, 8. cooling jacket, 9. mounting flange, 10. cooling medium outlet, 11. cooling medium cover plates, 12. oxidant outer tubes, 13. Alevaire entrances, 14. Alevaire cover plates, 15. Alevaire passages, 16. oxidant channels, 17. oxidant swirl-flow devices, 18. internal layer annular channels, 19. outer annular channels, 20. main burners, 21. secondary atomization mixing chambers, 22. atomized fuel nozzles, 23. one-level atomization mixing chambers, 24. Alevaire spray orifices, 25. liquid fuel spray orifices, 26. liquid fuel passages, 27. liquid fuel nozzle swirl-flow devices.
The specific embodiment
Below in conjunction with accompanying drawing of the present invention, the present invention is described.
Referring to Fig. 1 and Fig. 2, the oil burner of a kind of transformation of the present invention, variable working condition, comprises burner body parts casing pipe and premixing jet head two parts.The body portion of burner and the outermost layer of head are arranged cooling structure, and are tightly connected by mounting flange 9 and gasification furnace body of heater (not shown).
Described body parts casing pipe is coaxially arranged, and from-inner-to-outer is followed successively by liquid fuel outer tube 2, Alevaire outer tube 3, oxidant outer tube 12.Annular space between sleeve pipe and sleeve pipe forms each road medium channel, the passage that wherein the liquid fuel outer tube 2 of innermost layer forms self is liquid fuel passage 26, passage between liquid fuel outer tube 2 and Alevaire outer tube 3 is Alevaire passage 15, and the passage between oxidant outer tube 12 and Alevaire outer tube 3 is oxidant channel 16.Each medium channel entrance point is provided with liquid fuel entrance 1, Alevaire entrance 13, oxidant inlet 5 successively, and seals respectively by Alevaire cover plate 14 and oxidant cover plate 4.
The passage of described cooling structure is double seal formula annular channel structure, is made up of, and is separated into internal layer annular channel 18 and outer annular channel 19 by cooling jacket 8 oxidant outer tube 12 and cooling medium outer tube 7.Two-layer annular channel is respectively equipped with cooling medium outlet 10 and cooling medium entrance 6, and seals by cooling medium cover plate 11.
Outlet 10 and the entrance 6 of described cooling medium can exchange, and the flow direction of cooling medium can be changed.The setting of cooling structure, can guarantee burner body, especially in burner, partly avoids the ablation of hyperthermia radiation, greatly extends the service life of burner.
In described burner, part material can adopt high temperature resistant, corrosion resistant Ni-based, cobalt-based or/and Hastelloy material is made, such as Co50, INCONEL600, Ha Shi C-22, Hastelloy C-276, Incoloy800H etc.
Described premixing jet head comprises liquid fuel spray orifice 25, Alevaire spray orifice 24, one-level atomization mixing chamber 23, atomized fuel nozzle 22, secondary atomization mixing chamber 21, main burner 20, oxidant swirl-flow devices 17.Liquid fuel enters one-level atomization mixing chamber 23 by liquid fuel spray orifice 25, and meeting with the multiply Alevaire that enters one-level atomization mixing chamber 23 from Alevaire spray orifice 24, violent shock also fully mixed, and the broken atomization of liquid fuel also fully mixes with Alevaire.The liquid fuel gas-liquid mixture that completes one-level atomization mixing enters secondary atomization mixing chamber 21 by atomized fuel nozzle 22, also fully mixes, by the further atomization of gas-liquid mixture quilt with the oxidant spraying by swirl-flow devices 17 in this collision of meeting.Finally, well-mixed liquid fuel, Alevaire, oxidant are sprayed by main burner 20, and volume expands rapidly, and the atomization that completes the third level mixes.
Referring to Fig. 2, described Alevaire spray orifice 24 is loose structure, and is along the circumferential direction evenly arranged in around liquid fuel spray orifice 25 with angle a.Alevaire spray orifice 24 adopts velocity of sound spray orifice, and spray orifice number is preferably 3-10, and jet nozzle angle a is preferably 30 °-90 °.
Referring to Fig. 3, described liquid fuel jet 25 can be single hole or loose structure, arranges between two parties, and spray orifice can be straight hole or profile hole, and profile hole refers to shrinkage hole, expanded bore or both combinations of straight line, curve or Lavalle curve.Porous can be two holes, three holes or the mutual impact structure of porous more.
Referring to Fig. 4, described oxidant spout, for shrinking shape ring-type spout, adopts direct current or eddy flow ejection.In the time that oxidant adopts eddy flow ejection, swirl-flow devices can be arranged near the straight section of spout or cone section is upper, and swirl-flow devices is axial angle adjustable structure, and eddy flow angle is preferably 10 °-75 °.According to different burner hearth shape and structure, the increase of eddy flow angle or reduce length and the width of adjustable flame.
Referring to Fig. 5, described atomized fuel nozzle 22 and main burner 20 can be single hole or loose structure, spray orifice can be straight hole or profile hole, and profile hole refers to shrinkage hole, expanded bore or both combinations (not shown, pass is referring to Fig. 3) of straight line, curve or Lavalle curve.Porous can be two holes, three holes or more external diffusion formula or the impacting type structure mutually of porous.
Referring to Fig. 6, when atomized fuel nozzle 22 single holes are arranged, also can arrange that the mode of swirl-flow devices makes the ejection of atomized fuel eddy flow by spout.
Main working process of the present invention has following two kinds:
The first course of work: the level pressure ignition and combustion under normal pressure or high pressure.According to default sequence program, gasification furnace furnace pressure boosts to the arbitrary pressure state within the scope of 0-2.0Mpa, for example 0.5MpaG.Liquid fuel in process system enters liquid fuel passage 26 with design discharge under this pressure by liquid fuel entrance 1, enters one-level atomization mixing chamber 23 by liquid fuel spray orifice 25.Alevaire enters Alevaire passage 15 with design discharge under this pressure by Alevaire entrance 13, sprays at a high speed one-level atomization mixing chamber 23 by Alevaire spray orifice 24 with velocity of sound state.Two strands of media meet and acutely clash in one-level atomization mixing chamber 23, the liquid fuel atomization that is broken.Gas, liquid blending agent after atomization enter secondary atomization mixing chamber 21 with the state of the tiny liquid fuel droplets of multiply (or droplet) through the 22 high-speed jet ejections of atomized fuel nozzle.Meanwhile, system oxidant enters oxidant channel 6 with the design discharge under this pressure by oxidant inlet 5, spray into secondary atomization mixing chamber 21 by near oxidant swirl-flow devices 17 high-speed rotational oxidant outlet, form the eddy current that one has tangential momentum energy, the liquid fuel gas-liquid mixture secondary that enters secondary atomization mixing chamber 21 is washed away, when making little oil droplet secondary-atomizing, liquid fuel droplets is able to full and uniform mixing with oxidant.The three medium gas-liquid mixtures that complete secondary-atomizing mixing spray in gasification furnace burner hearth at a high speed by main burner 20, and space increases, and medium volume instantaneous expansion makes the atomization of liquid fuel three medium gas-liquid mixtures mix more abundant.So far, the higher density fluid fluid fuel three medium gas-liquid mixtures that mix through three atomizations run into incendiary source (high-energy spark plug, igniter burner etc.) in gasification furnace, are at once lighted, and realize the ignition and combustion under oil burner level pressure.
The second course of work: the ignition and combustion under transformation, the variable working condition of burner.First, complete the level pressure igniting of this burner according to the first course of work, light and maintain flame stabilization burning after 3-5 minute until burner, start transformation, the Off-design operation of this burner.In this process, furnace pressure by initial ignition pressure (conventionally 0-1MpaG) rising to throwing coal pressure (1-2MpaG conventionally), be accompanied by the rising of furnace pressure, the flow of the liquid fuel of burner, Alevaire, oxidant Deng San road medium and the pressure operating mode during by initial ignition also equal proportion increases to the high pressure operating mode at full capacity while throwing coal.Now, the heat that oil burner discharges meets or exceeds the energy value of lighting process burner fine coal, and gasification furnace startup feeds intake, and the fine coal of process burner is lighted, oil burner power cut-off, the successively charging on cutting-off liquid fluid fuel road, oxidant road, Alevaire road.
Above two kinds of courses of work, have all controlled automatically.In the whole course of work, oil burner can be realized the sealing of burner interface under any level pressure in 0-2.0MPaG pressure limit, transformation, the continuously ignition of variable working condition Load Regulation process and 0-8MPaG burner hearth vapor pressure.Meanwhile, in the whole course of work, cooling medium road has cooling medium to pass through all the time, not ablation under 1200-1700 ℃ of high temperature of protection burner.
Below in conjunction with most preferred embodiment of the present invention, oil burner of the present invention has been made to detailed description, but those skilled the in art will appreciate that, in the situation that not deviating from the spirit and scope of the invention, can modifications and variations of the present invention are.Will be understood that most preferred embodiment of the present invention is descriptive, but not determinate, scope of the present invention should be determined according to appended independent claims.

Claims (17)

1. transformation, a variable working condition oil burner, comprises and it is characterized in that body parts casing pipe and premixing jet head two parts of burner:
Described body parts casing pipe is coaxially arranged, from interior to being respectively liquid fuel outer tube (2), Alevaire outer tube (3) and oxidant outer tube (12) outward; Annular space between sleeve pipe and sleeve pipe forms each road medium channel, and its innermost layer is fuel medium passage (26), and intermediate layer is Alevaire passage (15), and outermost layer is oxidant channel (16); Each medium channel entrance point is provided with liquid fuel entrance (1), Alevaire entrance (13) and oxidant inlet (5) successively, and seals respectively by Alevaire cover plate (14) and oxidant cover plate (4);
Described premixing jet head comprises liquid fuel spray orifice (25), Alevaire spray orifice (24), one-level atomization mixing chamber (23), secondary atomization mixing chamber (21), atomized fuel nozzle (22), main burner (20), oxidant swirl-flow devices (17);
The body portion of described burner and the outermost layer of head are furnished with cooling structure, and burner body is connected with gasification furnace furnace sealing by mounting flange (9).
2. oil burner according to claim 1, wherein,
The passage of described cooling structure is double seal formula annular channel structure, is made up of, and is separated into inside and outside two-layer annular channel (18) and (19) by cooling jacket (8) oxidant outer tube (12) and cooling medium outer tube (7); Two-layer annular channel is respectively equipped with cooling medium outlet (10) and cooling medium entrance (6), and by cooling medium cover plate (11) sealing.
3. oil burner according to claim 1, wherein,
The fuel medium of described burner is preferably gently, heavy diesel fuel, biodiesel, the liquid fuels such as methyl alcohol synthesis type diesel oil; Alevaire is preferably air, nitrogen and steam; Oxidant is preferably the mist of oxygen, air and oxygen and inert gas.
4. oil burner according to claim 1, wherein,
Described liquid fuel spray orifice (25) is single hole or loose structure, arranges between two parties, and spray orifice can be straight hole or profile hole, and profile hole refers to shrinkage hole, expanded bore or both combinations of straight line, curve or Lavalle curve; Porous can be two holes, three holes or the mutual impact structure of porous more.
5. oil burner according to claim 1, wherein,
Described Alevaire spray orifice (24) is loose structure, and is along the circumferential direction evenly arranged in liquid fuel spray orifice (25) around with angle a; Alevaire spray orifice (24) is velocity of sound spray orifice, and preferably spray orifice number is 3-10, and preferably jet nozzle angle a is 30 °-90 °.
6. oil burner according to claim 1, wherein,
Atomized fuel nozzle (22) and the outer field main burner (20) of described internal layer are velocity of sound or high subsonic speed spout; Spout is single hole or loose structure, and spray orifice can be straight hole or profile hole, and profile hole refers to shrinkage hole, expanded bore or both combinations of straight line, curve or Lavalle curve; Porous can be two holes, three holes or more external diffusion formula or the impacting type structure mutually of porous.
7. oil burner according to claim 1, wherein,
Described oxidant outlet adopts direct current or cyclone mode ejection; In the time that oxidant eddy flow sprays, swirl-flow devices (17) is arranged in and shrinks on shape oxidant spout neighbouring straight length or Taper Pipe section, is axial adjustable cyclone structure, and preferred eddy flow angular range is 10 o-75 o.
8. oil burner according to claim 1, wherein,
Described atomized fuel nozzle (22) adopts the mode that inside contracts, and jet expansion can adopt direct current or cyclone mode ejection.
9. oil burner according to claim 1, wherein,
Described atomizing of liquid fuel mode is multistage premixing jet.
10. oil burner according to claim 1, wherein,
Described liquid fuel, Alevaire and oxidant adopt coaxial structure for conveying.
11. oil burners according to claim 2, wherein,
The medium of described cooling structure is preferably that high density, higher boiling, reactivity are poor, the good liquid that conducts heat serves as, for example water, oil.
12. oil burners according to claim 2, wherein,
The import of described cooling structure and outlet are interchangeable.
13. oil burners according to claim 9, wherein,
The type of cooling of described cooling structure is oil cooling or water-cooled.
14. according to the oil burner described in aforementioned arbitrary claim, wherein,
The material of part adopts high temperature resistant, corrosion resistant cobalt-based, Ni-based or/and Hastelloy material to make in burner, for example Co50, INCONEL600, Ha Shi C-22, Hastelloy C-276,
Incoloy800H etc.
15. according to the oil burner described in aforementioned arbitrary claim, wherein,
Sealing and the not ablation of burner under any level pressure of described this burner in can realizing from normal pressure 0MPaG to 2.0MPaG pressure limit, transformation, the continuously ignition and combustion variable working condition and 0-8MPaG furnace pressure, 1200-1700 ℃ furnace temperature.
16. according to the oil burner described in aforementioned arbitrary claim, wherein,
Described this burner quits work lighting after process burner, need not extract gasification furnace out.
17. according to the oil burner described in aforementioned arbitrary claim, wherein,
The ignition and combustion of described this burner in the whole course of work adopts automatically to be controlled.
CN201210466160.6A 2012-11-16 2012-11-16 Variable pressure and variable working condition oil burner Active CN103822207B (en)

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CN108728168A (en) * 2017-04-14 2018-11-02 航天长征化学工程股份有限公司 Gasification burner
CN107245352A (en) * 2017-07-19 2017-10-13 航天长征化学工程股份有限公司 Organic waste treatment device and method
WO2019015486A1 (en) * 2017-07-20 2019-01-24 清远市精旺环保设备有限公司 Alcohol-based fuel vaporization and combustion device
CN107420890A (en) * 2017-07-20 2017-12-01 清远市精旺环保设备有限公司 A kind of alcohol radical combusting vaporization burner
CN107420890B (en) * 2017-07-20 2021-06-18 清远市精旺环保设备有限公司 Alcohol-based fuel vaporization combustion device
CN107477574A (en) * 2017-08-30 2017-12-15 昆明理工大学 A kind of industrial furnace high-efficient atomizing burner based on high viscosity biomass fuel
CN107620957A (en) * 2017-08-30 2018-01-23 昆明理工大学 A kind of industrial furnace high-efficient atomizing combustion system and its method based on high viscosity biomass fuel
CN107477574B (en) * 2017-08-30 2019-07-05 昆明理工大学 A kind of industrial furnace high-efficient atomizing burner based on high viscosity biomass fuel
CN108506929A (en) * 2018-03-13 2018-09-07 同济大学 A kind of fuel oil flameless combustion apparatus and its system equipment
CN108452660A (en) * 2018-05-29 2018-08-28 江苏华本环境科技有限公司 A kind of SNCR atomizing lances and its application
CN109111131A (en) * 2018-11-12 2019-01-01 大峘集团有限公司 A kind of sleeve lime kiln coal powder injection burner
CN109578806A (en) * 2018-12-07 2019-04-05 江苏中圣压力容器装备制造有限公司 A kind of process unit of LNG flash steam (BOG) pressurization condensing recovery
CN109578806B (en) * 2018-12-07 2024-01-23 江苏中圣压力容器装备制造有限公司 LNG flash evaporation vapour (BOG) supercharging condensation recovery process device
CN109847686A (en) * 2019-03-28 2019-06-07 万荣金坦能源科技有限公司 A kind of liquid fuel extruding fission system and fission method freezed
CN110093190A (en) * 2019-06-17 2019-08-06 北京迈未科技有限公司 A kind of combined gasifying burner and its application method
WO2020253145A1 (en) * 2019-06-17 2020-12-24 北京航天迈未科技有限公司 Combined gasification burner and usage method therefor
CN112594681A (en) * 2019-10-01 2021-04-02 中外炉工业株式会社 Liquid fuel combustion device
CN112594681B (en) * 2019-10-01 2024-04-05 中外炉工业株式会社 Liquid fuel combustion device
CN113512447A (en) * 2021-04-07 2021-10-19 北京航化节能环保技术有限公司 Full-premixing nozzle device, gasification furnace, gasification method and nozzle processing method
CN113512447B (en) * 2021-04-07 2023-11-10 北京航化节能环保技术有限公司 Full-premix nozzle device, gasifier, gasification method and nozzle processing method

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