CN114110591A - Mixed combustion type oil gas burner for incinerator - Google Patents

Mixed combustion type oil gas burner for incinerator Download PDF

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Publication number
CN114110591A
CN114110591A CN202111443210.4A CN202111443210A CN114110591A CN 114110591 A CN114110591 A CN 114110591A CN 202111443210 A CN202111443210 A CN 202111443210A CN 114110591 A CN114110591 A CN 114110591A
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China
Prior art keywords
combustion
gun
pipe
combustion chamber
case
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CN202111443210.4A
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CN114110591B (en
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刘琳
徐春
罗娜
余秀宇
王进武
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Cssc Jiujiang Boiler Co ltd
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Cssc Jiujiang Boiler Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D17/00Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
    • F23D17/002Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

The invention discloses a mixed combustion type oil gas combustor for an incinerator, and relates to the technical field of combustors. The combustion chamber box is arranged between the combustion case and the combustion chamber box; an inner air chamber is arranged inside the door plate; a main oil gun is arranged between the two sides of the inner air chamber; a first atomizing end is arranged at one end of the main oil gun; one side of the door plate is provided with a gas spray gun which is communicated with the inner gas chamber; a high-energy ignition gun is arranged between the two sides of the door panel; an air duct barrel which is mutually sleeved with the main oil gun is arranged in the combustion chamber box. The invention sprays and atomizes fuel oil through the main oil gun, the high-energy ignition gun ignites and burns the fuel oil, the inner air chamber and the gas spray gun are added in the door plate of the burning case in a methane burning mode, and the inner air chamber in the door plate replaces an original gas burner which needs to be matched, thereby not only realizing the mixed burning of methane, but also reducing the design cost of the product and meeting the requirements of practical use.

Description

Mixed combustion type oil gas burner for incinerator
Technical Field
The invention belongs to the technical field of burners, and particularly relates to a co-combustion type oil gas burner for an incinerator.
Background
Along with the continuous acceleration of the urban construction development speed in China, the phenomenon of enclosing a city with garbage is more and more prominent, and the life quality of people is seriously influenced. The waste incineration power generation technology is a brand new power generation technology researched in China in recent years, waste generated in life of people can be effectively treated and is changed into electric energy to serve life of people, and a combustor is a key component in a waste incineration power generation system.
Due to the particularity of the waste incineration system, the combustor not only needs to stably operate under the high-temperature radiation working condition, but also has high reliability under the influence of dust; moreover, the biogas generated by the anaerobic system needs to be combusted, and the existing dual-purpose oil-gas combustor needs to be matched with an additional gas combustor for combined use in order to meet the mixed combustion operation of the biogas, so that the use cost is high, and the actual use requirement cannot be met.
Disclosure of Invention
The invention aims to provide a blending combustion type oil gas burner for an incinerator, which solves the problem that the existing incinerator needs to be additionally provided with a gas burner and used together through the matching use of a door plate, a main oil gun, a first atomization end head, a gas spray gun, a high-energy ignition gun and an air duct cylinder, and the use cost is high.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a mixed combustion type oil gas combustor for an incinerator, which comprises a combustion case and a combustion chamber case which are of an integrated structure, wherein a door plate is arranged between the combustion case and the combustion chamber case; an inner air chamber is arranged inside the door plate; a main oil gun is arranged between the two sides of the inner air chamber and between the combustion case and the interior of the combustion chamber; a first atomizing end is arranged at one end part of the main oil gun close to the combustion chamber box; a gas spray gun communicated with the inner gas chamber is arranged on one side of the door plate and positioned in the combustion chamber box; a high-energy ignition gun is arranged between the two sides of the door plate and between the combustion case and the interior of the combustion chamber case; an air duct barrel which is mutually sleeved with the main oil gun is arranged in the combustion chamber box.
As a preferred technical scheme of the invention, one side of the door panel is provided with a biogas inlet end pipe communicated with the inner gas chamber; the other end of the methane inlet pipe penetrates through the combustion case, a second atomization end is arranged at one end, far away from the door plate, of the gas spray gun, in short, methane is guided into the inner air chamber in the door plate through the methane inlet pipe and enters the inner air chamber, and after being guided and conveyed by the gas spray gun, the methane is sprayed under the action of the second atomization end and is mixed with main flame combusted by fuel oil to be burnt.
As a preferred technical scheme of the invention, the main oil gun comprises a fuel oil inner pipe and an atomizing medium outer pipe; the outer part of one end of the main oil gun, which is close to the combustion case, is respectively provided with a fuel inlet end pipe and an atomizing medium inlet end pipe which are communicated with the fuel inner pipe; the side surface of the periphery of the first atomization end is provided with a threaded end; the first atomization end is in threaded connection with the inner wall of the atomization medium outer pipe through a threaded end; a fuel nozzle communicated with the fuel inner pipe is arranged at the center inside the first atomization end; the fuel oil inlet end pipe is connected with the fuel oil inner pipe, the atomized medium enters the atomized medium outer pipe through the atomized medium inlet end pipe, and after atomized under the action of the fuel oil nozzle and the atomized medium nozzle, the atomized medium is ignited by the high-energy ignition gun to establish main flame.
As a preferred technical scheme of the invention, the ventilation pipes are arranged on the peripheral side surface of the main oil gun in an annular array; one end of each ventilation pipe close to the first atomization end is provided with a tuyere; a connecting end ring is arranged between the other end surfaces of the plurality of ventilation pipes; one side of the air duct cylinder is connected with the connecting end ring; the air duct cylinder is provided with rotational flow blades in an annular array at one side close to the connecting end ring; the side surface of the periphery of the air duct cylinder is provided with an air inlet pipe penetrating through the combustion chamber box, in short, air guided by the air inlet pipe enters the air duct cylinder, part of the air is directly guided by the air duct and the air nozzle, a circulating backflow area is formed in front of the air nozzle to ensure that high-temperature hot air flows back to enable oil mist to catch fire continuously, and part of the air is guided by the swirl vanes along the combustion chamber box to enable marsh gas to be sprayed by the second atomizing end to form power-assisted air to mix and burn the marsh gas.
As a preferred technical solution of the present invention, a flame stabilizer is disposed between an end of the main oil gun, the gas spray gun and the high-energy ignition gun, which is far away from an end of the combustion case, and in short, under the action of the flame stabilizer, the flame shape generated by combustion is controlled, and the flame stabilizer plays an auxiliary role in stabilizing the flame.
The invention has the following beneficial effects:
the invention uses the door plate, the main oil gun, the first atomization end, the gas spray gun, the high-energy ignition gun and the air duct cylinder in a matching way, the main oil gun sprays and atomizes the fuel, the high-energy ignition gun ignites and burns the fuel, the inner air chamber in the door plate of the burning case and the methane burning mode of the gas spray gun are added, and the inner air chamber in the door plate replaces the original gas burner which needs to be matched, thereby not only realizing the mixed burning of the methane, but also reducing the design cost of the product and meeting the requirement of practical use.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a co-combustion type oil gas burner for an incinerator according to the present invention.
FIG. 2 is a schematic sectional view of an oil gas burner of the co-combustion type for an incinerator.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic view of the internal structure of the combustor case and the combustor case.
Fig. 5 is a schematic view of the connection of the main oil gun and the first atomizing tip.
Fig. 6 is a schematic structural diagram of the air duct cylinder.
In the drawings, the components represented by the respective reference numerals are listed below:
1-combustion case, 2-combustion chamber case, 3-door panel, 4-main oil gun, 5-first atomization end, 6-gas spray gun, 7-high energy ignition gun, 8-air duct cylinder, 9-flame stabilizer, 301-inner air chamber, 302-biogas inlet end pipe, 401-fuel inner pipe, 402-atomization medium outer pipe, 403-fuel inlet end pipe, 404-atomization medium inlet end pipe, 405-ventilation pipe, 406-air nozzle, 407-connecting end ring, 501-thread end, 502-fuel nozzle, 503-atomization medium nozzle, 601-second atomization end, 801-swirl vane and 802-air inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention is a co-combustion type oil gas burner for incinerator, comprising a combustion case 1 and a combustion chamber case 2 of an integrated structure, a door panel 3 is arranged between the combustion case 1 and the combustion chamber case 2; a biogas inlet end pipe 302 communicated with the inner gas chamber 301 is arranged on one side of the door panel 3; the other end of the methane inlet pipe 302 penetrates through the combustion case 1; an inner air chamber 301 is arranged inside the door panel 3; a main oil gun 4 is arranged between the two sides of the inner air chamber 301 and between the combustion case 1 and the combustion chamber case 2; the main oil gun 4 comprises a fuel oil inner pipe 401 and an atomizing medium outer pipe 402; a fuel inlet end pipe 403 and an atomized medium inlet end pipe 404 which are communicated with the fuel inner pipe 401 are respectively arranged outside one end of the main oil gun 4 close to the combustion case 1; the ventilation pipes 405 are arranged on the peripheral side face of the main oil gun 4 in an annular array; one ends of the plurality of ventilation pipes 405 close to the first atomizing end 5 are provided with air nozzles 406; a connecting end ring 407 is arranged between the other end faces of the plurality of ventilation pipes 405; a first atomizing end 5 is arranged at one end part of the main oil gun 4 close to the combustion chamber box 2; the peripheral side surface of the first atomization end 5 is provided with a threaded end 501; the first atomizing end 5 is in threaded connection with the inner wall of the atomizing medium outer pipe 402 through a threaded end 501; a fuel nozzle 502 communicated with the fuel inner pipe 401 is arranged at the center inside the first atomizing end 5; the inside of the first atomizing end 5 is provided with atomizing medium nozzles 503 which are communicated with the atomizing medium outer pipe 402 in an annular array; a gas spray gun 6 communicated with the inner gas chamber 301 is arranged at one side of the door panel 3 and inside the combustion chamber box 2; a second atomizing end 601 is arranged at one end part of the gas spray gun 6 far away from the door plate 3; a high-energy ignition gun 7 is arranged between the two sides of the door panel 3 and between the combustion case 1 and the combustion chamber case 2; an air duct cylinder 8 which is mutually sleeved with the main oil gun 4 is arranged in the combustion chamber box 2; one side of the air duct cylinder 8 is connected with the connecting end ring 407; the air duct cylinder 8 is provided with rotational flow blades 801 in an annular array at one side close to the connecting end ring 407; an air inlet pipe 802 penetrating through the combustion chamber box 2 is arranged on the peripheral side surface of the air duct cylinder 8; the combustion chamber box 2 is far away from one end part of the combustion case 1 and is provided with a flame stabilizer 9 between the main oil gun 4, the gas spray gun 6 and the high-energy ignition gun 7.
More preferably, the fuel enters the fuel inner tube 401 through the fuel inlet end tube 403, the atomized medium enters the atomized medium outer tube 402 through the atomized medium inlet end tube 404 for guiding, the fuel nozzle 502 and the atomized medium nozzle 503 located in the first atomizing end 5 atomize the fuel and the atomized medium respectively to generate oil mist, the oil mist is ignited by the operation of the high-energy ignition gun 7, the air guided through the air inlet tube 802 enters the air duct barrel 1, and part of the air is directly guided through the air duct 405 and the air nozzle 406, so that a circulating reflux region is formed in front of the air nozzle 406, and the oil mist can continuously catch fire by the reflux of the high-temperature hot air. Main flame is established, biogas is guided in through a biogas inlet end pipe 302 and enters an inner gas chamber 301 in a door panel 3, the biogas is sprayed under the action of a second atomization end 601 after being guided by a gas spray gun 6, part of air in an air duct cylinder 8 is guided along a combustion chamber box 2 through a swirl vane 801, so that after the biogas is sprayed by the second atomization end 601, booster air is formed to assist the biogas and perform blended combustion operation with the main flame combusted by fuel oil, and the shape of the flame generated by combustion is controlled under the action of a flame stabilizer 9, and the flame is assisted.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides an incinerator is with mixing burning type oil gas combustor, includes combustion machine case (1) and combustion chamber case (2) of integral type structure, its characterized in that:
a door plate (3) is arranged between the combustion case (1) and the combustion chamber case (2);
an inner air chamber (301) is arranged inside the door panel (3); a main oil gun (4) is arranged between the two sides of the inner air chamber (301) and between the combustion case (1) and the combustion chamber box (2); a first atomizing end (5) is arranged at one end part of the main oil gun (4) close to the combustion chamber box (2);
a gas spray gun (6) communicated with the inner gas chamber (301) is arranged on one side of the door plate (3) and inside the combustion chamber box (2);
a high-energy ignition gun (7) is arranged between the two sides of the door panel (3) and between the combustion case (1) and the combustion chamber box (2);
an air duct barrel (8) which is mutually sleeved with the main oil gun (4) is arranged in the combustion chamber box (2).
2. The co-combustion type oil gas burner for the incinerator according to claim 1, characterized in that one side of said door panel (3) is provided with a biogas inlet end pipe (302) which is communicated with the inner gas chamber (301); the other end of the methane inlet pipe (302) penetrates through the combustion case (1).
3. The blended combustion type oil and gas burner for incinerator according to claim 1, characterized in that said main oil gun (4) comprises fuel oil inner pipe (401) and atomized medium outer pipe (402); and a fuel inlet end pipe (403) and an atomized medium inlet end pipe (404) which are communicated with the fuel inner pipe (401) are respectively arranged outside one end of the main oil gun (4) close to the combustion case (1).
4. The blended combustion type oil gas burner for the incinerator according to claim 3, characterized in that the outer peripheral side of said first atomizing end (5) is provided with a threaded end (501); the first atomization end (5) is in threaded connection with the inner wall of the atomized medium outer pipe (402) through a threaded end (501); a fuel nozzle (502) communicated with the fuel inner pipe (401) is arranged at the center inside the first atomizing end (5); and the inner annular array of the first atomizing end head (5) is provided with atomizing medium nozzles (503) which are communicated with the atomizing medium outer pipe (402).
5. The blended combustion type oil gas burner for the incinerator according to claim 1, characterized in that the peripheral side of the main oil gun (4) is provided with ventilation pipes (405) in an annular array; one end of each ventilation pipe (405) close to the first atomizing end (5) is provided with an air nozzle (406); and a connecting end ring (407) is arranged between the other end surfaces of the plurality of ventilation pipes (405).
6. The blended combustion type oil and gas burner for incinerator according to claim 5, characterized in that one side of said air duct cylinder (8) is connected with connecting end ring (407); the air duct cylinder (8) is provided with swirl vanes (801) in an annular array at one side close to the connecting end ring (407); and an air inlet pipe (802) penetrating through the combustion chamber box (2) is arranged on the peripheral side surface of the air duct cylinder (8).
7. The mixed combustion type oil-gas burner for the incinerator according to claim 1, characterized in that a flame stabilizer (9) is arranged between the end of the main oil gun (4), the gas spray gun (6) and the high-energy ignition gun (7) and the end of the combustion chamber box (2) far away from one end of the combustion case (1).
8. The blended combustion type oil and gas burner for the incinerator according to claim 1, characterized in that a second atomizing end (601) is arranged at one end of the gas spray gun (6) far away from the door panel (3).
CN202111443210.4A 2021-11-30 2021-11-30 Mixed combustion type oil gas burner for incinerator Active CN114110591B (en)

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CN114110591B CN114110591B (en) 2023-09-08

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010045378A (en) * 1999-11-04 2001-06-05 이구택 Oil burner used with gas fuel
CN202281228U (en) * 2011-10-25 2012-06-20 周兴林 Digital bit type adjustment combustor
CN203190413U (en) * 2013-04-15 2013-09-11 封志刚 High-speed gas burner
CN205592954U (en) * 2016-05-06 2016-09-21 北京佳德昌科技有限责任公司 One -level gas injection type low NOx burner
CN110878941A (en) * 2019-12-02 2020-03-13 上海迎韦热能设备有限公司 Ultralow nitrogen gas burner
CN214501235U (en) * 2021-04-19 2021-10-26 江苏欧标有限公司 Air jet oil-gas dual-purpose low-nitrogen burner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010045378A (en) * 1999-11-04 2001-06-05 이구택 Oil burner used with gas fuel
CN202281228U (en) * 2011-10-25 2012-06-20 周兴林 Digital bit type adjustment combustor
CN203190413U (en) * 2013-04-15 2013-09-11 封志刚 High-speed gas burner
CN205592954U (en) * 2016-05-06 2016-09-21 北京佳德昌科技有限责任公司 One -level gas injection type low NOx burner
CN110878941A (en) * 2019-12-02 2020-03-13 上海迎韦热能设备有限公司 Ultralow nitrogen gas burner
CN214501235U (en) * 2021-04-19 2021-10-26 江苏欧标有限公司 Air jet oil-gas dual-purpose low-nitrogen burner

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