CN107062217A - A kind of low-quality gas burner（Bluff body） - Google Patents
A kind of low-quality gas burner（Bluff body） Download PDFInfo
- Publication number
- CN107062217A CN107062217A CN201710037202.7A CN201710037202A CN107062217A CN 107062217 A CN107062217 A CN 107062217A CN 201710037202 A CN201710037202 A CN 201710037202A CN 107062217 A CN107062217 A CN 107062217A
- Authority
- CN
- China
- Prior art keywords
- burner
- low
- outer cylinder
- cylinder body
- porous media
- 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.)
- Granted
Links
- 239000007789 gas Substances 0.000 claims abstract description 53
- 239000000567 combustion gas Substances 0.000 claims abstract description 26
- 238000002485 combustion reaction Methods 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 239000012092 media component Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 8
- 239000007800 oxidant agent Substances 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The invention discloses a kind of low-quality gas burner, belong to boiler-burner technical field, including air distribution elbow (8), burner outer cylinder body (13), exhaust gas nozzle (6) and its alignment system, support member (12), cyclone (14), bluff body and Porous Media component (16).Help combustion air to be rotated through air distribution elbow (9), cyclone (14), burner outer cylinder body after (13), combining combustion is further mixed with entering bluff body and Porous Media component (16) region after low-quality combustion gas mixing.Adpting flange (15) between burner outer cylinder body (13) and boiler or other burnings energy equipment burner hearth can adjust the length of burner outer cylinder body (13) section stretched into burner hearth as needed.It is too low that the present invention solves burner inner flue gas of the stove temperature under conditions of boiler furnace radiating and underload in the prior art, it is impossible to ensures the problem of normal low-quality combustion gas, stable burning.
Description
Technical field
The present invention relates to a kind of burner, more particularly to a kind of low-grade fuel burner available for boiler, the burning
Utensil, which has, to be used to strengthen ablaze Porous Media in adjustable premixer and exit in burner shell.
Background technology
Low-quality combustion gas is widely present in the industrial link such as resource exploitation and its processing, its combustible component content
Few, caloric value is low, and combustible component is difficult to be sufficiently mixed with oxidant during burning, catches fire and after-flame is all more difficult.Actual production
During, low-quality combustion gas is mostly directly discharged.This not only causes environmental pollution, and adds the waste of energy resources.
Industrial and civil boiler is higher because of its use environment, and mostly using the multitubular boiler of Oil/gas Fuels, its burner hearth is not only
It is the combustion heat release region of fuel, is also particularly important boiler heating surface.This is beneficial to reduce flue-gas temperature rapidly, favorably
In the protection to boiler furnace and fire tube.But calorific value of low-quality combustion gas itself is low, under the conditions of heat absorption, burner hearth flue gas in combustion process
Temperature can be lower.This make it that combustible component is difficult to reach its ignition temperature and burn completely in flue gas, it is difficult to realize that low-quality is fired
The utilization of gas fuel.
The content of the invention
It is an object of the present invention to provide a kind of low-quality gas burner, low-quality combustion gas can not only be used for by the burner
The burning of adiabatic furnace, can also burn low-quality combustion gas for having in the boiler furnace that heat exchange is acted on, increase low-quality combustion gas
Application, reduces low-quality combustion gas and the discharge of combustible exhaust gas, saves the energy, reduces the environmental pollution directly discharged and caused.
It is to provide a kind of manufacture method of low-quality gas burner during another object of the present invention, it is ensured that low-quality fuel gas buring
Device disclosure satisfy that under gas fired-boiler different load service condition that low-quality combustion gas being capable of stable ignition, burning and after-flame.
The burner of the present invention considers the condition required for burning fully, strengthens low-quality combustion using cyclone and bluff body
The mixing of gas and oxidant, the uniform total cross-section of mixed gas of low-quality combustion gas and oxidant is further optimized using the effect of bluff body
Porous media heat storage is flowed into, the burning and radiation heat transfer for making full use of Porous Media internal voids enter wherein to strengthen
Low-quality combustion gas and the mixed gas of oxidant catch fire and burn.In addition, the adjustability of distance causes pot between cyclone and bluff body
Stove can be necessary to ensure that the total cross-section of rational blending space and the gaseous mixture in porous media heat storage when running according to load
It is full of
The burner of the present invention makes low-quality combustion gas and the mixing of oxidant, caught fire and the vigorous burner burnt in burner hearth leading portion
Completed in precombustion chamber, the burning that the heat exchange amount of boiler furnace wall is few and accumulation of heat of porous amboceptor act as low-quality combustion gas is provided
Enough ignition heats and higher burning thermodynamic condition.This aspect promotes catching fire for low-quality combustion gas；On the other hand store
Hot environment atmosphere in hot body further enhances the burning of low-quality combustion gas, accelerates the burning velocity of low-quality combustion gas, it is to avoid
Boiler furnace excessively causes flue-gas temperature to decline rapidly and further results in phenomenon of putting out a fire because of heat absorption, it is possible to prevente effectively from
The problem of low-quality combustion gas is difficult to after-flame.
Brief description of the drawings
Fig. 1 is low-quality gas burner；
Fig. 2 is support member；
Fig. 3 is cyclone；
Fig. 4 is bluff body and Porous Media component.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.Low-quality gas burner of the present invention uses air as combustion-supporting
Agent.Combustion air is helped to pass through adpting flange（1）Pipe is introduced with outside air or air blower output flange is connected and is sent to windbend
Head（8）, by air distribution elbow（8）Commutation effect after, help combustion air to enter burner outer cylinder body（13）, and fired through low-quality
Gas blowout pipe（6）Rotate, mixed with the low-quality combustion gas that is sprayed in jet pipe under the cyclonic action of the cyclone of nozzle
Close.
Help combustion air can be in exhaust gas nozzle with low-quality combustion gas（6）With bluff body and Porous Media component（16）In it is blunt
Body（27）Between mix in clearance cavity, bluff body can also be passed through（27）Mixed after expanding stream to low-quality fuel gas flow.Low-quality
Combustion gas is with helping combustion air in bluff body（27）Space below will further be mixed to form mixed combustible gas body, and full of whole combustion
Burner outer cylinder body（13）Interior tube section.Burning mixture then goes through bluff body and Porous Media component（16）In it is many
Hole dielectric（25）Inside, by Porous Media the postignition of sequel heat and burn rapidly.
Mixed gas is in Porous Media（25）It is middle burning formed high-temperature flue gas by a part of heat transfer to heat storage,
Remaining major part is entered in boiler furnace with flue gas and exchanged heat with water-cooled furnace wall, uncombusted combustible gas in flue gas
Composition is in Porous Media（25）Close to the further after-flame in boiler furnace side.
Low-quality gas burner of the present invention is by being welded on burner outer cylinder body（13）On flange（15）With being welded on pot
Adpting flange at stove burner hearth or front smoke box is connected with each other, close by acting on asbestos washer with fire resistant heat preserving between two flanges
Envelope.
Low-quality gas burner of the present invention is by being welded on burner outer cylinder body（13）On flange（11）Match somebody with somebody with being welded on
Windbend head（8）On flange（9）It is connected with each other, General Purpose Rubber packing ring is passed through between two flanges（10）Sealing.
Exhaust gas nozzle in low-quality gas burner of the present invention（6）Pass through lance support（12）It is supported, jet pipe branch
Support member（12）It is fixed on by welding or alignment pin in burner outer cylinder body（13）In.Lance support（12）Outer cylinder body
（20）With burner outer cylinder body（13）Between should have certain interval, in order to lance support（12）Installation.Lance support
（12）Inner barrel（18）With exhaust gas nozzle（6）Between should have certain interval, in order to exhaust gas nozzle（6）Can above and below or
Person or so promotes.
The cyclone of low-quality gas burner of the present invention（14）For by combustion air in burner outer cylinder body（13）Interior edge
Circumferentially rotate, flow rotation direction can need to adjust swirl vane according to user（22）Mounting means realize.Eddy flow
Device（14）Inner barrel（21）Weld or be fixed by a pin to exhaust gas nozzle（6）Exit, swirl vane（22）Welding
Installed in inner barrel（21）And outer cylinder body（23）Between.Cyclone（14）Outer cylinder body（23）It should be protected between burner outer cylinder body
The enough gaps of card, to avoid scraping between the two.The change of swirl strength relies primarily on the flow of combustion air to change
Become.
The exhaust gas nozzle of low-quality gas burner of the present invention（6）With the outer cylinder body of burner（13）It is coaxial and from air distribution elbow
（8）Excurvation tapping draw.Exhaust gas nozzle（6）With air distribution elbow（8）Perforate pass through rubber washer（7）Sealing, to the greatest extent may be used
It can reduce and leak out.Rubber washer（7）It should be able to fix or paste in air distribution elbow（8）Perforate around.Exhaust gas nozzle（6）Upper welding
There is alignment pin（5）, alignment pin（5）Can only be in locating slot（4）It is determined that in the range of along exhaust gas nozzle（6）Move axially back and forth.It is fixed
Position groove（4）The alignment pin of determination（5）Moving range directly determines that combustion air is mixed with low-quality combustion gas in the type burner
And the length of burning.Locating slot（4）Pass through vertical supporting plate（2）Air distribution elbow is fixed on cross-brace plate weld（6）Excurvation
Place.Exhaust gas nozzle（6）Fuel gas inlet at be machined with external screw thread, in order to be connected between gas source by flexible pipe, to ensure
Exhaust gas nozzle（6）Axial movement.If the type burner nozzle is arranged vertically, support member（11）To exhaust gas nozzle（6）Rise
Position-limiting action, now should be in air distribution elbow（8）Outer crook install activity fixing device additional, to fix exhaust gas nozzle（6）.
The bluff body and Porous Media component (16 of low-quality gas burner of the present invention）It is placed in burner outer cylinder body（13）Cigarette
Gas outlet.Bluff body and Porous Media component (16）In bluff body（24）For solid cone steel member, for low-quality combustion gas
The expansion stream of air-flow, reinforcing combustion air and the mixing of low-quality combustion gas.Bluff body and Porous Media component (16）In porous media
Body（27）For accumulation of heat and overheavy firing.Porous Media（27）Pore structure can be regular or non-regular
's.Porous Media（27）Material be various metal, nonmetallic and its compounds with good fire resisting and heat conductivility etc.
The processing of material material is obtained.Porous Media（27）It is processed into after round table-like, be embedded in truncated cone-shaped cylinder（29）In, truncated cone-shaped
Cylinder（29）Big disc side pass through annular slab（26）And fixed plate（28）It is integrally welded, realize to Porous Media（27）
Setting-in.Bluff body（24）Pass through band steel（25）It is welded on fixed plate（28）On.During welding, bluff body is noted（24）With Porous Media
（27）On same gyroaxis.Bluff body and Porous Media component (16）By being embedded in truncated cone-shaped cylinder（29）Counterbore and burning
Device outer cylinder body（13）The alignment pin of the through hole of corresponding position is positioned, truncated cone-shaped cylinder（29）With burner outer cylinder body（13）
Between gap sealed by fire resisting asbestos washer.
Claims (5)
1. a kind of low-quality gas burner, it is characterised in that including air distribution elbow（8）, burner outer cylinder body（13）, exhaust gas nozzle
（6）And its alignment system, support member（12）, cyclone（14）, bluff body and Porous Media component（16）.Combustion air is helped through matching somebody with somebody
Windbend head（9）, cyclone（14）, burner outer cylinder body（13）After rotate, with entering bluff body and porous after low-quality combustion gas mixing
Dielectric component（16）Further mix combining combustion in region.The smoke components of burning, which are entered in boiler furnace, further to burn simultaneously
Heat release.Air distribution elbow（9）With pressure air air outlet and with burner outer cylinder body（13）Between, burner outer cylinder body（13）With pot
Stove or other burnings be connected between the burner hearth of energy equipment by welded flange, normal temperature section rubber ring seal, burning
High temperature section asbestos washer is sealed.Burner outer cylinder body（13）The connection method between energy equipment burner hearth with boiler or other burnings
It is blue（15）The burner outer cylinder body stretched into burner hearth can be adjusted as needed（13）The length of section.
2. a kind of low-quality gas burner according to claim 1, it is characterised in that the cyclone（14）Utilize pin
Pass through its inner barrel（21）On through hole and exhaust gas nozzle（6）The counterbore of nozzle, which is assembled, to be integrated, and can also pass through weldering
Connect in succession.Exhaust gas nozzle（6）Alignment system is by locating slot（4）And alignment pin（5）Composition.Alignment pin（5）It is welded on exhaust gas nozzle
（6）Close to external world gas hose end.
3. a kind of low-quality gas burner according to claim 1, it is characterised in that the locating slot（4）By bottom plate and
Four side plate compositions, and a parallel exhaust gas nozzle wherein（6）Side plate erect edge open up side outlet in order to combustion gas
Jet pipe is from locating slot（4）In remove, another parallel exhaust gas nozzle（6）Side plate upper surface should identify scale, be easy to demarcation fire
Exhaust gas nozzle in burner（6）Outlet and bluff body summit（23）The distance between.Locating slot（4）It can cast, it is also solderable to obtain,
And be welded on air distribution elbow.
4. a kind of low-quality gas burner according to claim 1, it is characterised in that bluff body and the Porous Media group
Part（16）It is by bluff body（24）And Porous Media（27）The reinforcing mixing and burning that encapsulation is obtained is welded by steel construction piece
Part.Porous Media（27）Pore structure can be regular or non-regular.Porous Media（27）By each
The processing of the material materials such as metal, nonmetallic and its compound with good fire resisting and heat conductivility is planted to obtain.Porous Media
（27）Be processed into it is round table-like after, be embedded in truncated cone-shaped cylinder（29）In, and have certain thickness Porous Media from truncated cone-shaped cylinder
Body（29）Middle protrusion.During welding, bluff body is noted（24）With Porous Media（27）On same gyroaxis.
5. a kind of low-quality gas burner according to claim 1, it is characterised in that bluff body and the Porous Media group
Part (16）By being embedded in truncated cone-shaped cylinder（29）Counterbore and burner outer cylinder body（13）The alignment pin of the through hole of corresponding position
It is fixed, truncated cone-shaped cylinder（29）With burner outer cylinder body（13）Between gap sealed by fire resisting asbestos washer.
Exhaust gas nozzle（6）Support member（12）With burner outer cylinder body（13）Between fixed form as it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037202.7A CN107062217B (en) | 2017-01-18 | 2017-01-18 | Low-quality gas burner (blunt body) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037202.7A CN107062217B (en) | 2017-01-18 | 2017-01-18 | Low-quality gas burner (blunt body) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107062217A true CN107062217A (en) | 2017-08-18 |
| CN107062217B CN107062217B (en) | 2020-05-05 |
Family
ID=59599085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710037202.7A Expired - Fee Related CN107062217B (en) | 2017-01-18 | 2017-01-18 | Low-quality gas burner (blunt body) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107062217B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443865A (en) * | 2018-02-27 | 2018-08-24 | 常州凯丽纺织有限公司 | A kind of three eddy flow ignition cylinders of three eddy flow fire-biomass gasification combustion engines |
| CN108592019A (en) * | 2018-07-02 | 2018-09-28 | 徐州科能燃烧控制科技有限公司 | A kind of bluff body of coal burner |
| CN109323279A (en) * | 2018-10-09 | 2019-02-12 | 岳阳远东节能设备有限公司 | Burner is directly heated in a kind of denitrating flue gas pipeline |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU201414U1 (en) * | 2020-02-21 | 2020-12-14 | Акционерное общество "Управление отходами" | REMOTE FURNACE FOR OBTAINING GASEOUS COOLANT BY COMBUSTION OF GASEOUS FUEL |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929676A (en) * | 2010-08-05 | 2010-12-29 | 西安交通大学 | Catalytic porous medium burner |
| CN102287819A (en) * | 2011-07-01 | 2011-12-21 | 中国计量学院 | Porous medium combustor for low-caloric-value gas fuel |
| CN103063021A (en) * | 2012-08-14 | 2013-04-24 | 梁燕龙 | Tunnel kiln automatic retractable kiln combustion device and method |
-
2017
- 2017-01-18 CN CN201710037202.7A patent/CN107062217B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929676A (en) * | 2010-08-05 | 2010-12-29 | 西安交通大学 | Catalytic porous medium burner |
| CN102287819A (en) * | 2011-07-01 | 2011-12-21 | 中国计量学院 | Porous medium combustor for low-caloric-value gas fuel |
| CN103063021A (en) * | 2012-08-14 | 2013-04-24 | 梁燕龙 | Tunnel kiln automatic retractable kiln combustion device and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443865A (en) * | 2018-02-27 | 2018-08-24 | 常州凯丽纺织有限公司 | A kind of three eddy flow ignition cylinders of three eddy flow fire-biomass gasification combustion engines |
| CN108592019A (en) * | 2018-07-02 | 2018-09-28 | 徐州科能燃烧控制科技有限公司 | A kind of bluff body of coal burner |
| CN109323279A (en) * | 2018-10-09 | 2019-02-12 | 岳阳远东节能设备有限公司 | Burner is directly heated in a kind of denitrating flue gas pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107062217B (en) | 2020-05-05 |
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Granted publication date: 20200505 |