CN116878024A - High-reliability ignition device for pi-type boiler of combustion generator set - Google Patents

High-reliability ignition device for pi-type boiler of combustion generator set Download PDF

Info

Publication number
CN116878024A
CN116878024A CN202310939978.3A CN202310939978A CN116878024A CN 116878024 A CN116878024 A CN 116878024A CN 202310939978 A CN202310939978 A CN 202310939978A CN 116878024 A CN116878024 A CN 116878024A
Authority
CN
China
Prior art keywords
oil
nozzle
ignition
boiler
atomizing
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.)
Pending
Application number
CN202310939978.3A
Other languages
Chinese (zh)
Inventor
李大才
赵凤祥
吴克锋
宋立信
匡磊
孙智斌
吴戈杨
石军伟
杨晶
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.)
Guangdong Datang International Leizhou Power Generation Co Ltd
Original Assignee
Guangdong Datang International Leizhou Power Generation Co Ltd
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 Guangdong Datang International Leizhou Power Generation Co Ltd filed Critical Guangdong Datang International Leizhou Power Generation Co Ltd
Priority to CN202310939978.3A priority Critical patent/CN116878024A/en
Publication of CN116878024A publication Critical patent/CN116878024A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23QIGNITION; EXTINGUISHING-DEVICES
    • F23Q13/00Igniters not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)

Abstract

The invention relates to the technical field of pi-type boiler ignition devices, in particular to a high-reliability ignition device for a pi-type boiler of a combustion generating set, which comprises a shell, wherein an igniter and an oil pipe are arranged in the shell, an injection device is arranged at the output end of the oil pipe, the igniter is used for igniting fuel oil sprayed out of the injection device, and the injection device comprises: the atomization nozzle is arranged on the oil pipe and is used for atomizing and spraying the fuel oil in the oil pipe in a short-distance oil mist mode; the jet nozzle is arranged below the atomizing nozzle and is used for jetting out the fuel oil in the oil pipe in a long-distance linear oil column mode; the invention utilizes the atomization nozzle to spray fuel oil in an atomization state, and an igniter is arranged in atomized oil mist to ignite the oil mist sprayed by the atomization nozzle; and the igniting cover is used for guiding the ignited atomized open flame to the long-distance high-pressure oil column sprayed out by the jet nozzle, so that the high reliability of ignition is ensured, and the flame spraying distance is ensured.

Description

High-reliability ignition device for pi-type boiler of combustion generator set
Technical Field
The invention relates to the technical field of pi-type boiler ignition devices, in particular to a high-reliability ignition device for a pi-type boiler of a combustion generator set.
Background
Pi-type boilers are widely used in power stations, and the boiler type can be adopted for different capacities, parameters and various fuels. The convection heating surface is easy to arrange and overhaul, the tail flue gas flow is downward, the ash removal is facilitated, and the induced draft fan is arranged at the lowest position; the defect is that the occupied area is large, and the flue turns to easily cause the local abrasion of the fly ash convection surface.
It is known as pi. The left vertical line part of pi is the hearth part of the boiler, the water cooling wall is arranged around the hearth, the screen type superheater is arranged at the top of the hearth, the horizontal line above pi is the horizontal flue part of the boiler, and the high-temperature superheater, the high-temperature reheater and the like are arranged in the horizontal flue; the right vertical portion of the pi word is called the back shaft flue of the boiler where the economizer, air preheater and low temperature superheating and reheater are often arranged.
The boiler is easy to burn and stop when running in a low load state, and timely re-ignition is needed. Ignition systems of the prior art have a misfire condition. The specific cases are as follows:
micro-oil ignition system: the igniter is arranged in front of the high-pressure oil nozzle, the ignition fire provided by the igniter is an electric spark, and the ignition range is limited; in operation, the high-pressure micro-oil system may have the condition that the combustion fire with a limited small range is extinguished by the high-speed injection of the combustion material when the oil quantity is concentrated and the oil pressure is excessive. The reason may be that the fire source is extinguished due to the high density of the combustion material to isolate the air in the center of combustion, or the kinetic energy of high speed movement, or a combination of multiple elements.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a high-reliability ignition device for a pi-type boiler of a combustion generator set.
The technical scheme of the invention is as follows: the utility model provides a high reliability ignition for combustion generating set pi type boiler, includes the casing, be equipped with some firearm and oil pipe in the casing, the oil pipe output is equipped with injection apparatus, some firearm is used for igniting injection apparatus spun fuel, injection apparatus includes:
the atomization nozzle is arranged on the oil pipe and is used for atomizing and spraying the fuel oil in the oil pipe in a short-distance oil mist mode;
the jet nozzle is arranged below the atomizing nozzle and is used for jetting out the fuel oil in the oil pipe in a long-distance linear oil column mode;
and atomized fuel oil sprayed out of the atomizing nozzle is contacted with the linear oil column sprayed out of the jet nozzle.
Furthermore, the atomizing spray head is provided with a pressure regulating valve, and the pressure regulating valve can control the atomizing effect by regulating the oil pressure.
Further, the atomizer includes: the utility model discloses a device for spraying water, including the toper chamber, the tip in toper chamber outwards, be equipped with a plurality of atomizing holes with outside intercommunication on the lateral wall in toper chamber, atomizing hole is umbrella form outwards diverges.
Further, the jet nozzle includes: the small end of the conical cavity faces outwards, the conical cavity is provided with a jet hole, the jet hole faces outwards, and the section of the jet hole is smaller than or equal to the smallest section of the conical cavity.
Further, a plurality of atomization holes communicated with the outside are formed in the side wall of the conical cavity, and the atomization holes are outwards divergent in an umbrella shape.
Further, the front end of the atomizing nozzle is provided with a igniting cover, and the igniter is arranged in the igniting cover; the ignition cover is used for centralizing the oil mist sprayed by the atomization nozzle, and uniform atomization is formed in the ignition cover; the bottom of the ignition cover is provided with an ignition channel for guiding the fire burnt in the ignition cover to long-distance high-pressure fuel oil sprayed out by the jet nozzle.
Further, the inner wall of the shell is provided with a refractory material layer.
Furthermore, the front end of the jet nozzle is provided with a fire outlet aligned with the jet nozzle, the fire outlet is of a cylindrical structure, and the section diameter of the fire outlet is larger than the maximum section diameter of flame sprayed out by the jet nozzle.
Further, an air inlet pipe is arranged at the upper part of the shell, and the air inlet pipe is arranged at the opposite side of the fire outlet.
Further, the front end of the jet nozzle is provided with a flame detector corresponding to the jet nozzle.
The beneficial effects of the present invention are embodied in that,
the invention has the atomizing nozzle and the jet nozzle, utilizes the atomizing nozzle to spray fuel in an atomized state, and places the igniter in atomized oil mist, so that the ignition reliability is high; the ignition cover is utilized to guide the ignited atomized open fire to the long-distance high-pressure oil column sprayed out by the jet nozzle, and as the jet nozzle is also provided with the atomizing holes, the fuel sprayed out by the jet nozzle is divided into an atomizing area and a jet area, and the open fire is guided to the atomizing area sprayed out by the jet nozzle through the ignition cover, so that the oil column in the jet area is ignited.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2;
FIG. 4 is a cross-sectional perspective view of the bottom portion of the present invention;
reference numerals: 1. a housing; 2. an igniter; 3. an oil pipe; 4. an atomizing nozzle; 401. a pressure regulating valve; 402. an atomization hole; 5. jet nozzle; 501. jet holes; 6. a pilot hood; 601. a firing channel; 7. a fire outlet; 8. an air inlet pipe; 9. a flame detector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Pi-type boilers are widely used in power stations, and the boiler type can be adopted for different capacities, parameters and various fuels. The convection heating surface is easy to arrange and overhaul, the tail flue gas flow is downward, the ash removal is facilitated, and the induced draft fan is arranged at the lowest position; the defect is that the occupied area is large, and the flue turns to easily cause the local abrasion of the fly ash convection surface.
It is known as pi. The left vertical line part of pi is the hearth part of the boiler, the water cooling wall is arranged around the hearth, the screen type superheater is arranged at the top of the hearth, the horizontal line above pi is the horizontal flue part of the boiler, and the high-temperature superheater, the high-temperature reheater and the like are arranged in the horizontal flue; the right vertical portion of the pi word is called the back shaft flue of the boiler where the economizer, air preheater and low temperature superheating and reheater are often arranged.
The boiler is easy to burn and stop when running in a low load state, and timely re-ignition is needed. Ignition systems of the prior art have a misfire condition. The specific cases are as follows:
micro-oil ignition system: the igniter is arranged in front of the high-pressure oil nozzle, the ignition fire provided by the igniter is an electric spark, and the ignition range is limited; in operation, the high-pressure micro-oil system may have the condition that the combustion fire with a limited small range is extinguished by the high-speed injection of the combustion material when the oil quantity is concentrated and the oil pressure is excessive. The reason may be that the fire source is extinguished due to the high density of the combustion material to isolate the air in the center of combustion, or the kinetic energy of high speed movement, or a combination of multiple elements. In order to solve the problems, a pi-type boiler high-reliability ignition device of a combustion generator set is currently proposed.
Example 1
Referring to fig. 1 to 4, a high reliability ignition device for pi-type boiler of combustion generator set comprises a shell 1, wherein an igniter 2 and an oil pipe 3 are arranged in the shell 1, an injection device is arranged at the output end of the oil pipe 3, the igniter 2 is used for igniting fuel oil sprayed by the injection device, and the injection device comprises:
the atomization nozzle 4 is arranged on the oil pipe 3 and is used for atomizing and spraying the fuel oil in the oil pipe 3 in a short-distance oil mist mode;
the jet nozzle 5 is arranged below the atomizing nozzle 4 and is used for jetting out the fuel oil in the oil pipe 3 in a long-distance linear oil column mode;
and atomized fuel sprayed by the atomizing nozzle 4 contacts with the linear oil column sprayed by the jet nozzle 5.
The thermal generator set can be operated under the low-power state, and when the thermal generator set is operated under the low-power state, the quantity of coal dust can not reach the optimal proportion in the boiler, so that the situation of insufficient combustion can exist locally, continuous ignition is required to be carried out on the part with insufficient combustion, the coal dust is ensured to be fully combusted, ignition and flame combustion supporting are carried out by adopting an ignition device, and the ignition device is prevented from being not driven, so that a large quantity of coal dust falls to the bottom of the boiler. The present invention thus structurally optimizes the original high pressure jet 5.
Specifically, a two-stage ignition mode is adopted, namely, firstly, the atomized fuel is atomized and sprayed by utilizing the atomizing nozzle 4, so that the atomized fuel is dispersed in the air and is fully mixed with the air, at the moment, the igniter 2 is utilized for ignition, and the oxygen content in the fuel is rich, so that the igniter is on the spot, and then the ignited open fire is utilized to ignite a high-pressure long-distance oil column sprayed by the jet nozzle 5.
In this embodiment, the atomizer 4 is provided with a pressure regulating valve 401, and the pressure regulating valve 401 can control the atomization effect by regulating the oil pressure.
The pressure regulating valve 401 is adjusted according to the actual space requirement, so that the pressure of the fuel entering the atomizing nozzle 4 changes, and the density and the size of atomized fuel particles and the size of an atomized injection space are affected.
In this embodiment, the atomizer 4 includes: the utility model discloses a device for spraying a liquid, including the toper chamber, the tip in toper chamber outwards, be equipped with a plurality of atomizing holes 402 with outside intercommunication on the lateral wall in toper chamber, atomizing hole 402 is the umbrella form and outwards diverges.
Wherein, umbrella atomizing hole 402 can form the atomizing oil mist of large tracts of land, increases the atomizing area.
In this embodiment, the jet nozzle 5 includes: the conical cavity, the tip in conical cavity outwards, be equipped with jet hole 501 on the conical cavity, jet hole 501 is outwards directed, the cross-section of jet hole 501 is less than or equal to the minimum cross-section in conical cavity.
Wherein, the fuel is through the toper chamber, through the diminishing of cross-section, makes the fuel form high pressure, is spouting the high-pressure oil column in following jet hole 501, can form long-range high-pressure injection, when igniting the high-pressure oil column, can make the flame range that the oil column sprayed up to standard, can satisfy the insufficient region of burning in the boiler and continue burning promptly.
In this embodiment, a plurality of atomization holes 402 communicated with the outside are formed in the side wall of the conical cavity, and the atomization holes 402 are outwardly divergent in an umbrella shape.
Wherein, atomizing hole 402 on the jet spray head 5 is the same with atomizer 4 structure, plays combustion-supporting effect, and in this scheme, jet spray head 5 spun fuel includes: the fuel oil in the atomization area is ignited, so that the jet oil column in the non-atomization area is more easily ignited.
In this embodiment, the front end of the atomizer 4 is provided with a igniting cover 6, and the igniter 2 is disposed in the igniting cover 6; the ignition cover 6 is used for gathering the oil mist sprayed by the atomization nozzle 4, and uniform atomization is formed in the ignition cover 6; the bottom of the igniting cover 6 is provided with an igniting channel 601 for guiding the burning fire in the igniting cover 6 to the long-distance high-pressure fuel oil sprayed by the jet nozzle 5.
In this embodiment, the ignition cover 6 may be cylindrical or may be a igniting space enclosed by a baffle, and the main purpose is to form a semi-closed igniting space through the ignition cover 6, so as to sufficiently concentrate atomized oil mist; the ignition device is communicated with the outside air, the igniter 2 is arranged in the ignition device, the lower end of the ignition device is provided with an opening as an ignition channel 601, the ignition channel 601 is used as a communication area between the atomizing nozzle 4 and the jet nozzle 5, convection is formed between the two nozzles, and the open fire ignited in the ignition cover 6 is led to the oil column sprayed out by the jet nozzle 5 below through the ignition channel 601, so that the ignition reliability is greatly improved.
In this embodiment, a refractory layer is disposed on the inner wall of the housing 1.
Wherein, the inner wall of the shell 1 can be built with refractory bricks or can be coated with a refractory coating, and the main purpose is to ensure the normal operation of the device and prolong the service life of the device under high temperature environment.
In this embodiment, the front end of the jet nozzle 5 is provided with a fire outlet 7 aligned with the jet nozzle, the fire outlet 7 has a cylindrical structure, and the cross-sectional diameter of the fire outlet is greater than the maximum cross-sectional diameter of the flame sprayed from the jet nozzle 5.
Specifically, the fire outlet 7 has a certain guiding function, and ensures that the flame spraying position is stable. In this embodiment, an air inlet pipe 8 is provided at the upper part of the housing 1, and the air inlet pipe 8 is provided at the opposite side of the fire outlet 7.
In this embodiment, the front end of the jet nozzle 5 is provided with a flame detector 9 corresponding to the front end of the jet nozzle.
The device can monitor whether ignition of the device is successful in real time through the flame detector 9, and when flame is sprayed out, the flame detector 9 transmits signals through the flame detector 9, so that an operator can know the ignition condition in real time, and check and maintain the ignition condition.
The beneficial effects of the present invention are embodied in that,
the invention has the atomizing nozzle 4 and the jet nozzle 5, the fuel oil in an atomized state is sprayed by the atomizing nozzle 4, and the igniter 2 is arranged in atomized oil mist, so that the ignition reliability is high; and utilize the pilot cap 6 to lead the long-range high-pressure oil column that the open fire that ignites after the atomizing of ignition was to jet nozzle 5 blowout, owing to also be equipped with atomizing hole 402 on the jet nozzle 5, so jet nozzle 5 spun fuel is divided into atomization zone and jet zone, and the open fire is led to jet nozzle 5 spun atomization zone through pilot cap 6, and then the oil column in jet zone is led, and this device has improved ignition reliability greatly, provides fine guarantee for pi type boiler's steady operation.
In describing embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "top", "bottom", "inner", "outer", "inside", "outside", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Wherein "inside" refers to an interior or enclosed area or space. "peripheral" refers to the area surrounding a particular component or region.
In the description of embodiments of the present invention, the terms "first," "second," "third," "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third" and a fourth "may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In describing embodiments of the present invention, it should be noted that the terms "mounted," "connected," and "assembled" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, unless otherwise specifically indicated and defined; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of embodiments of the invention, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
In the description of the embodiments of the present invention, it is to be understood that "-" and "-" denote the same ranges of the two values, and the ranges include the endpoints. For example: "A-B" means a range greater than or equal to A and less than or equal to B. "A-B" means a range of greater than or equal to A and less than or equal to B.
In the description of embodiments of the present invention, the term "and/or" is merely an association relationship describing an association object, meaning that three relationships may exist, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A high reliability ignition for combustion generating set pi type boiler, including the casing, be equipped with some firearm and oil pipe in the casing, the oil pipe output is equipped with injection apparatus, some firearm is used for igniting injection apparatus spun fuel, its characterized in that: the injection device includes:
the atomization nozzle is arranged on the oil pipe and is used for atomizing and spraying the fuel oil in the oil pipe in a short-distance oil mist mode;
the jet nozzle is arranged below the atomizing nozzle and is used for jetting out the fuel oil in the oil pipe in a long-distance linear oil column mode;
and atomized fuel oil sprayed out of the atomizing nozzle is contacted with the linear oil column sprayed out of the jet nozzle.
2. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 1, wherein: the atomizing spray head is provided with a pressure regulating valve, and the pressure regulating valve can control the atomizing effect by regulating the oil pressure.
3. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 1, wherein: the atomizer comprises: the utility model discloses a device for spraying water, including the toper chamber, the tip in toper chamber outwards, be equipped with a plurality of atomizing holes with outside intercommunication on the lateral wall in toper chamber, atomizing hole is umbrella form outwards diverges.
4. A high reliability ignition device for a pi boiler of a combustion generating set according to claim 3, characterized in that: the jet nozzle comprises: the small end of the conical cavity faces outwards, the conical cavity is provided with a jet hole, the jet hole faces outwards, and the section of the jet hole is smaller than or equal to the smallest section of the conical cavity.
5. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 4, wherein: the side wall of the conical cavity is provided with a plurality of atomization holes communicated with the outside, and the atomization holes are outwards divergent in an umbrella shape.
6. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 1, wherein: the front end of the atomizing nozzle is provided with a igniting cover, and the igniter is arranged in the igniting cover; the ignition cover is used for centralizing the oil mist sprayed by the atomization nozzle, and uniform atomization is formed in the ignition cover; the bottom of the ignition cover is provided with an ignition channel for guiding the fire burnt in the ignition cover to long-distance high-pressure fuel oil sprayed out by the jet nozzle.
7. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 5, wherein: the inner wall of the shell is provided with a refractory material layer.
8. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 6, wherein: the front end of the jet nozzle is provided with a fire outlet which is aligned with the jet nozzle, the fire outlet is of a cylindrical structure, and the section diameter of the fire outlet is larger than the maximum section diameter of flame sprayed out by the jet nozzle.
9. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 8, wherein: the upper part of the shell is provided with an air inlet pipe, and the air inlet pipe is arranged on the opposite side of the fire outlet.
10. The high reliability ignition device for a pi boiler of a combustion generator set according to claim 2, wherein: the front end of the jet nozzle is provided with a flame detector corresponding to the jet nozzle.
CN202310939978.3A 2023-07-28 2023-07-28 High-reliability ignition device for pi-type boiler of combustion generator set Pending CN116878024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310939978.3A CN116878024A (en) 2023-07-28 2023-07-28 High-reliability ignition device for pi-type boiler of combustion generator set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310939978.3A CN116878024A (en) 2023-07-28 2023-07-28 High-reliability ignition device for pi-type boiler of combustion generator set

Publications (1)

Publication Number Publication Date
CN116878024A true CN116878024A (en) 2023-10-13

Family

ID=88268040

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310939978.3A Pending CN116878024A (en) 2023-07-28 2023-07-28 High-reliability ignition device for pi-type boiler of combustion generator set

Country Status (1)

Country Link
CN (1) CN116878024A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1091190A (en) * 1992-11-10 1994-08-24 里克博士工业热工技术有限公司 Gas/gas/oil sprayed burner
CN2747479Y (en) * 2004-06-23 2005-12-21 上海同济高科技发展有限公司 Laser ignition gun
CN2921603Y (en) * 2006-01-11 2007-07-11 王冬雷 U-shape tubular burner
CN201110544Y (en) * 2007-11-12 2008-09-03 章联兵 Micro-oil ignition thick-light combustor
CN201335376Y (en) * 2009-01-20 2009-10-28 杨金宝 Tiny-oil ignition maintenance-free burner
CN104456628A (en) * 2014-11-10 2015-03-25 中国科学院工程热物理研究所 Layered part premixing low-pollution combustor of main combustion level lean oil premixing
CN105202544A (en) * 2015-10-20 2015-12-30 烟台龙源电力技术股份有限公司 Micro gas combustion gun body, ignition combustor, pulverized-coal combustion system and coal burning boiler
CN209130924U (en) * 2018-08-10 2019-07-19 上海诺特飞博燃烧设备有限公司 Pipette tips of lighting a fire and its igniter
CN212298977U (en) * 2020-06-04 2021-01-05 曾世君 Oil-spraying ignition oil-saving gun of coal-fired burner
US20230110714A1 (en) * 2021-10-12 2023-04-13 Delavan Inc. Fuel injectors with torch ignitors

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1091190A (en) * 1992-11-10 1994-08-24 里克博士工业热工技术有限公司 Gas/gas/oil sprayed burner
CN2747479Y (en) * 2004-06-23 2005-12-21 上海同济高科技发展有限公司 Laser ignition gun
CN2921603Y (en) * 2006-01-11 2007-07-11 王冬雷 U-shape tubular burner
CN201110544Y (en) * 2007-11-12 2008-09-03 章联兵 Micro-oil ignition thick-light combustor
CN201335376Y (en) * 2009-01-20 2009-10-28 杨金宝 Tiny-oil ignition maintenance-free burner
CN104456628A (en) * 2014-11-10 2015-03-25 中国科学院工程热物理研究所 Layered part premixing low-pollution combustor of main combustion level lean oil premixing
CN105202544A (en) * 2015-10-20 2015-12-30 烟台龙源电力技术股份有限公司 Micro gas combustion gun body, ignition combustor, pulverized-coal combustion system and coal burning boiler
CN209130924U (en) * 2018-08-10 2019-07-19 上海诺特飞博燃烧设备有限公司 Pipette tips of lighting a fire and its igniter
CN212298977U (en) * 2020-06-04 2021-01-05 曾世君 Oil-spraying ignition oil-saving gun of coal-fired burner
US20230110714A1 (en) * 2021-10-12 2023-04-13 Delavan Inc. Fuel injectors with torch ignitors

Similar Documents

Publication Publication Date Title
US4412808A (en) Dual fueled burner gun
CN108870396A (en) A kind of coal dust and natural gas integral type dual fuel burner
CN208475333U (en) A kind of coal dust and natural gas integral type dual fuel burner
RU187171U1 (en) Gas oil burner
RU158820U1 (en) Gas oil burner
CN103017190B (en) Oxygenating device igniting with little oil or without oil
CN116878024A (en) High-reliability ignition device for pi-type boiler of combustion generator set
CN217482761U (en) Pulverized coal burner ignition device, pulverized coal burner and boiler
CN201935215U (en) Biomass energy mixed fuel igniter
CN113108277B (en) Ultralow NO of medium and small boilerxCO discharging gas burner
CN203052700U (en) Oxygen adding device of little-oil ignition or oil-free ignition
CN208382143U (en) A kind of more gas combustion combustors
CN208349288U (en) A kind of gasification combustor
CN202660546U (en) Air atomizing oil gun and two-stage gasification oil burner
CN116906930A (en) Low-load operation reliable ignition system for coal-fired generator set boiler
CN113251418A (en) Low-nitrogen burner of acetylene device preheating furnace
CN220038460U (en) Dual-purpose burner for biological fuel gas and natural gas
CN1086790C (en) Outer chamber type dual reflux coal-powder steady flame jet
CN2830897Y (en) Micro oil gasified boiler ignitor
CN113531562B (en) Low-nitrogen burner for treating incineration waste gas and waste liquid in hazardous waste treatment
CN203653502U (en) Ignition burner applicable to pulverized coal gasification reactor
CN108613175A (en) A kind of more gas combustion combustors
RU215037U1 (en) Oil-gas burner with threaded channels for enhanced mixing
CN217274119U (en) Ultra-low nitrogen combustion head for gas burner
CN109268825B (en) Diesel burner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination