CN106765095A - Multisection type all-premixing burner - Google Patents

Multisection type all-premixing burner Download PDF

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Publication number
CN106765095A
CN106765095A CN201710176591.1A CN201710176591A CN106765095A CN 106765095 A CN106765095 A CN 106765095A CN 201710176591 A CN201710176591 A CN 201710176591A CN 106765095 A CN106765095 A CN 106765095A
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CN
China
Prior art keywords
combustion
combustion head
head
multisection type
section
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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
CN201710176591.1A
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Chinese (zh)
Inventor
沈斌
李彩云
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Shanghai Great Thermal Technology Co Ltd
Original Assignee
Shanghai Great Thermal Technology Co Ltd
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Application filed by Shanghai Great Thermal Technology Co Ltd filed Critical Shanghai Great Thermal Technology Co Ltd
Priority to CN201710176591.1A priority Critical patent/CN106765095A/en
Publication of CN106765095A publication Critical patent/CN106765095A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means

Abstract

The invention discloses a kind of multisection type all-premixing burner, including blower fan, valve group, burner body and combustion head, blower fan realizes the control of constant pressure or constant flow using frequency conversion fan by variable frequency regulating speed control, fuel gas inlet is arranged vertically with air intlet, full premix is realized by mixation tube section, combustion head includes punched-plate, stainless steel ring, stainless steel plug and metal fiber felt, gaseous mixture is by punched-plate and metal web felt in combustion head surface combustion, flameholding, it is difficult tempering, combustion head is divided into one section of combustion head and two sections of combustion heads again, it can also be multi-section-combustion head.The full premixed device of multisection type of the present invention can be widely used on Boiler heating, particularly coal burning boiler transformation and industrial large-sized boiler very much, it is also possible to meet the requirement of various industrial combustion equipments.

Description

Multisection type all-premixing burner
Technical field
The present invention relates to a kind of burner, more particularly to a kind of multisection type all-premixing burner.
Background technology
Premixed combustion is that fuel and oxygen or air are pre-mixed as uniform gaseous mixture, and premixed gas is in burner The process caught fire, burnt.
A kind of all-premixing burner, including burner housing and burning are disclosed in the U of Chinese patent CN 203147762 The fire output hole plate that device shell is fixedly connected, burner housing is made up of fixed plate, support and distribution plate, fixed plate, support, distribution Plate surrounds mixing chamber, and distribution plate is provided with the dispensing orifice passed through for mixed gas, and fire output hole plate is arranged on burner housing air-flow The downstream in direction, but such all-premixing burner is primarily adapted for use in the small gas such as wall-hung boiler tool field.
The content of the invention
Multisection type all-premixing burner technical problem to be solved of the present invention is to provide a kind of high combustion efficiency, nitrogen oxygen The low all-premixing burner of compound discharge capacity, for boiler heating, supplying hot water.
The another object of multisection type all-premixing burner of the present invention is, there is provided can meet coal burning boiler transformation and large-sized boiler The good all-premixing burner of the combustion conditions adaptability of matching on middle different boilers.
To solve above-mentioned technical problem and purpose, present invention employs following technical scheme:Multisection type full premix combustion Device, including blower fan, valve group, burner body and combustion head.
The blower fan uses frequency conversion fan, changes the rotating speed of blower fan by variable frequency regulating speed control using fan frequency converter, from And change fan delivery, frequency conversion fan can realize the stepless speed regulation of blower fan, and can easily constitute closed-loop control system, The control of constant pressure or constant flow is realized, extension Fan Equipment life-span, the protection stabilization of power grids, guarantor's anti-attrition are damaged, and reduce fault rate, relatively Compared in traditional deep bead or the valve regulative mode that dams, frequency conversion fan makes blower fan all the time in science, economical operation state, With obvious power savings.
The valve group includes filter, pressure-reducing valve, safety valve, lighting valve, small fire valve and big fire valve successively.
The burner body is by fuel gas inlet, air pipe flange, burner flange, mixing tube, fan interface flange, sight fire Microscope group is into wherein fuel gas inlet is arranged vertically with air intlet, increased mixed effect.
The combustion head includes punched-plate, metal fiber felt, stainless steel ring and stainless steel plug.Metallic fiber is siderochrome manganese Alloy is made the special fiber with space network by weaving manner, the aperture with pitch-row is minimum, as fabric, Permeability is good, resistance to oxidation, resistance to ablation, both durabilities with metal, and the pliability with fiber can be processed into various shapes Shape;Using stainless steel punched-plate as lining material cylindrical structural, the lining of stainless steel punched-plate is that ensure that combustion gas Pass through, and for soft metal fiber felt provides support, make burner that there is certain mechanical strength.Burner removes combustion head Outside metallic fiber part, remainder component is made using Stainless Steel material, overall to have good mechanical strength, resistance to Hot and corrosion resistance.
Further technical scheme is:Combustion head is divided into one section of combustion head and two sections of combustion heads, or multistage again Combustion head.Multisection type combustion head particularly also includes connecting tube, in the middle of one section of combustion head end and two sections of combustion head front end plugs Connecting tube is provided with, by connecting tube insertion, the gaseous mixture of the preceding paragraph combustion head mixing passes through for one section of combustion head and two sections of combustion heads Connecting tube enter next section of combustion head, gaseous mixture can with next section of combustion head in surface combustion.
Further technical scheme is:Multisection type combustion head also includes fixed anchor, and the preceding paragraph combustion head end is with Fixed anchor is set between one section of stainless steel steel loop of combustion head front end, the preceding paragraph combustion head is consolidated with next section of combustion head It is fixed.
The full premixed device of multisection type of the present invention can be widely used in very much Boiler heating, it is also possible to meet various industrial combustions The requirement of equipment.
The beneficial effects of the present invention are:
(1)Configured using frequency conversion fan, low energy;
(2)Burner combustion head profile strong adaptability, is particularly well-suited to old boiler transformation;
(3)All-premixing burner surface calorific intensity is high, sound construction, is easily changed;
(4)According to use occasion and the requirement of required burning load, combustion head hop count can also be adjusted flexibly;
(5)When using, quick heating, quick cooling, combustion conditions are good, are difficult tempering, and CO, NOx ratio often use burner in flue gas It is much lower, pollute small, be conducive to improving air quality.
Brief description of the drawings
Fig. 1 is overlooking the structure diagram of the present invention.
Fig. 2 is metallic fiber website of the present invention schematic diagram.
Fig. 3 is single hop combustion head structural representation of the present invention.
Fig. 4 is two stage combustion of the present invention head schematic diagram.
Fig. 5 is connector sectional view between two stage combustion of the present invention head.
Wherein, in the accompanying drawings:11- blower fans, 12- valve groups, 13- Gas Pipes, 14- burner flanges, 15- ignition electrodes, 16- sees Convex lens, the full premix barrels of 17-, 21- combustion heads, 22- punched-plates, metal fiber felt, mono- section of combustion head of 101-, bis- sections of burnings of 102- Head, 201- connecting tubes, 202- stainless steel steel loops A, plug, 203- stainless steel steel loops B, 301- fix anchor.
Specific embodiment
The technical scheme made to the present invention below in conjunction with drawings and the specific embodiments in embodiment is further retouched in detail State.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments, based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
With reference to Fig. 1, Fig. 1 is overlooking the structure diagram of the present invention, and multisection type all-premixing burner includes blower fan 11, valve group 12nd, burner body and combustion head 21.Blower fan 21 provides intake, and blower fan 21 uses frequency conversion fan, by variable frequency regulating speed control Change the rotating speed of blower fan, so as to change fan delivery, in that context it may be convenient to realize the control of constant pressure or constant flow, extend Fan Equipment Significantly, fan section is by fan interface flange and burner body bolt connection for life-span, the protection stabilization of power grids, power savings; Combustion gas is passed through in Gas Pipe 13, combustion gas enters burning after passing sequentially through filter filtering, pressure-reducing valve decompression in combustion gas valve group 12 Device, valve group part is by air pipe flange and burner body bolt connection.Burner body include fuel gas inlet, air pipe flange, Burner flange, mixing tube 17, fan interface flange, wherein flame-observing mirror composition, the fuel gas inlet of Gas Pipe 13 and the air of blower fan 11 Import is arranged vertically, and increased mixed effect.
Refering to Fig. 2, Fig. 2 is metallic fiber website of the present invention schematic diagram, and metallic fiber is siderochrome manganese alloy by braiding Mode is made the special fiber with space network, and the aperture with pitch-row is minimum, as fabric, permeability is good, resistance to Oxidation, resistance to ablation, the both durability with metal, and the pliability with fiber can be processed into variously-shaped.
Refering to Fig. 3, Fig. 3 is single hop combustion head structural representation of the present invention, and combustion head main structure is punched-plate, metallic fiber Net felt 22, combustion head front end stainless steel steel loop B 203 is welded, combustion head end stainless steel steel loop A, the welding envelope of plug 202 Close.The internal layer of combustion head 21 is punched-plate, and punched-plate makes cylindrical structural as lining material, and the lining of stainless steel punched-plate is Passing through for combustion gas is ensure that, and for soft metal fiber felt provides support, makes burner that there is certain mechanical strength;Punching Orifice plate external sheath metal web felt, according to combustion head design size cut metal web felt, metal fiber felt line long with Punched-plate is consistent, welding Hou Cong centers back suction, smooth to face outwardly.Burner in addition to combustion head metallic fiber part, remainder Component is made using Stainless Steel material, overall to have good mechanical strength, heat resistance and corrosion resistance, stainless steel portion Welding between part uses argon arc welding, is connected using butt-joint between fibrofelt and punched-plate, and firm welding, felt face are smooth, more Be conducive to being uniformly distributed for flame, punched-plate be rolled into the welding of cylinder seam crossing mash welder, stainless steel strip is rolled into stainless steel ring, In two sections of punched-plate cylinder, the smooth point of metallic fiber is welded in punched-plate cylinder outer surface to point of use welder by mash welder, Stainless steel plug is welded using stainless steel electrode, cylinder ends are welded on by the way of argon arc welding, full weld.
With continued reference to Fig. 1, Fig. 4 and Fig. 5, multisection type all-premixing burner is made with two-part in drawings and Examples of the present invention It is embodiment, combustion head is divided into one section of combustion head 101 and two sections of combustion heads 102, or multi-section-combustion head again.Multisection type fires Burning head particularly also includes connecting tube 201, is provided with the middle of one section of end of combustion head 101 and two sections of front end plugs 202 of combustion head 102 Connecting tube.Refering to Fig. 4 and Fig. 5, simultaneously be welded and fixed connecting tube firmly by insertion connecting tube 201 of being punchinged in the middle of plug 202, one section of combustion , by the insertion of connecting tube 201, the gaseous mixture of the preceding paragraph combustion head mixing is entered by connecting tube for burning first 101 and two sections of combustion heads 102 Enter next section of combustion head, gaseous mixture can the surface combustion in next section of combustion head.
With continued reference to Fig. 5, multisection type combustion head also includes fixed anchor 301, the end of the preceding paragraph combustion head 101 with next section Fixed anchor 301 is set between the stainless steel steel loop 203 of the front end of combustion head 102, to the preceding paragraph combustion head 101 and next section of burning First 102 are fixed.
The full premixed device of multisection type of the present invention can be widely used in very much Boiler heating, it is also possible to meet various industrial combustions The requirement of equipment.
The present invention can also be different from other modes described here and implement using other, and those skilled in the art can be with Similar popularization is done in the case of without prejudice to intension of the present invention, therefore the present invention is not limited by specific embodiment disclosed in face above System.

Claims (4)

1. multisection type all-premixing burner, including blower fan, valve group, burner body and combustion head, blower fan use frequency conversion fan, its It is characterised by:The combustion head includes punched-plate, metal fiber felt, stainless steel ring, stainless steel plug, and combustion head is divided into one section again Combustion head and two sections of combustion heads, or multi-section-combustion head, multisection type combustion head particularly also include connecting tube, one section of burning Connecting tube is provided with the middle of head end and two sections of combustion head front end plugs, one section of combustion head is passed through with two sections of combustion heads by connecting tube Logical, the gaseous mixture of the preceding paragraph combustion head mixing enters next section of combustion head by connecting tube, and gaseous mixture can burnt with next section Surface combustion in head.
2. multisection type all-premixing burner according to claim 1, it is characterised in that:The burner body is entered by combustion gas Mouth, air pipe flange, burner flange, mixing tube, fan interface flange, wherein flame-observing mirror composition, fuel gas inlet and air intlet It is arranged vertically, increased mixed effect.
3. multisection type all-premixing burner according to claim 1, it is characterised in that:Multisection type combustion head also includes fixed anchor Part, sets fixed anchor between the preceding paragraph combustion head end and the next section of stainless steel steel loop of combustion head front end, the preceding paragraph is fired Head is burnt to be fixed with next section of combustion head.
4. multisection type all-premixing burner according to claim 1, it is characterised in that:Burner removes combustion head metallic fiber portion Exceptionally, remainder component is made using Stainless Steel material, overall to have good mechanical strength, heat resistance and corrosion resistant Corrosion.
CN201710176591.1A 2017-03-23 2017-03-23 Multisection type all-premixing burner Pending CN106765095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710176591.1A CN106765095A (en) 2017-03-23 2017-03-23 Multisection type all-premixing burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710176591.1A CN106765095A (en) 2017-03-23 2017-03-23 Multisection type all-premixing burner

Publications (1)

Publication Number Publication Date
CN106765095A true CN106765095A (en) 2017-05-31

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107300171A (en) * 2017-07-06 2017-10-27 北京节能技术监测中心 Burner is mixed before a kind of metallic fiber that head is burnt based on central flame flame
CN107300172A (en) * 2017-08-17 2017-10-27 上海钜荷热力技术有限公司 A kind of full premix surface combustion burner with multi-point spark and detecting system
CN107726317A (en) * 2017-11-29 2018-02-23 上海钜荷热力技术有限公司 A kind of flat-plate burner with cooling device
CN108978026A (en) * 2017-10-18 2018-12-11 上海钜荷热力技术有限公司 A kind of braiding apparatus of the metal fibre interlacement for all-premixing burner
CN109424954A (en) * 2017-09-04 2019-03-05 上海钜荷热力技术有限公司 A kind of surface combustion burner of head collapsible
CN111911924A (en) * 2020-07-29 2020-11-10 西安菲尔特金属过滤材料股份有限公司 Preparation method of flat plate type iron-chromium-aluminum fiber combustion head

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1423040A (en) * 2001-03-20 2003-06-11 伊利诺斯器械工程公司 Combustion-chamber system with short-tube type precombustion chamber
EP1538395A1 (en) * 2003-12-05 2005-06-08 Riello S.p.a. Premix burner combustion head
CN102278759A (en) * 2011-08-10 2011-12-14 大连经济技术开发区水国燃烧器有限公司 Combustion head of radiant tube
CN204853486U (en) * 2015-08-24 2015-12-09 上海艾迪迦热能科技有限公司 Full premix hangs down nitrogen oxide combustor head
CN205746837U (en) * 2016-07-05 2016-11-30 中科蓝创节能环保设备(天津)有限公司 Whole pre-mixed metal fiber burner and use the boiler of this burner
CN205782921U (en) * 2016-06-01 2016-12-07 高台县聚庆新能源设备有限公司 Circulating flue gas reverse-flow type all-premixing burner in a kind of
CN205979772U (en) * 2016-05-23 2017-02-22 高台县聚庆新能源设备有限公司 Outer recirculated flue gas backward flow formula full premix combustor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1423040A (en) * 2001-03-20 2003-06-11 伊利诺斯器械工程公司 Combustion-chamber system with short-tube type precombustion chamber
EP1538395A1 (en) * 2003-12-05 2005-06-08 Riello S.p.a. Premix burner combustion head
CN102278759A (en) * 2011-08-10 2011-12-14 大连经济技术开发区水国燃烧器有限公司 Combustion head of radiant tube
CN204853486U (en) * 2015-08-24 2015-12-09 上海艾迪迦热能科技有限公司 Full premix hangs down nitrogen oxide combustor head
CN205979772U (en) * 2016-05-23 2017-02-22 高台县聚庆新能源设备有限公司 Outer recirculated flue gas backward flow formula full premix combustor
CN205782921U (en) * 2016-06-01 2016-12-07 高台县聚庆新能源设备有限公司 Circulating flue gas reverse-flow type all-premixing burner in a kind of
CN205746837U (en) * 2016-07-05 2016-11-30 中科蓝创节能环保设备(天津)有限公司 Whole pre-mixed metal fiber burner and use the boiler of this burner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107300171A (en) * 2017-07-06 2017-10-27 北京节能技术监测中心 Burner is mixed before a kind of metallic fiber that head is burnt based on central flame flame
CN107300172A (en) * 2017-08-17 2017-10-27 上海钜荷热力技术有限公司 A kind of full premix surface combustion burner with multi-point spark and detecting system
CN109424954A (en) * 2017-09-04 2019-03-05 上海钜荷热力技术有限公司 A kind of surface combustion burner of head collapsible
CN108978026A (en) * 2017-10-18 2018-12-11 上海钜荷热力技术有限公司 A kind of braiding apparatus of the metal fibre interlacement for all-premixing burner
CN107726317A (en) * 2017-11-29 2018-02-23 上海钜荷热力技术有限公司 A kind of flat-plate burner with cooling device
CN111911924A (en) * 2020-07-29 2020-11-10 西安菲尔特金属过滤材料股份有限公司 Preparation method of flat plate type iron-chromium-aluminum fiber combustion head
CN111911924B (en) * 2020-07-29 2021-12-24 西安菲尔特金属过滤材料股份有限公司 Preparation method of flat plate type iron-chromium-aluminum fiber combustion head

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Application publication date: 20170531