CN110107894A - A kind of ultralow nitrogen metal surface combustion system of high-power anti-backfire - Google Patents
A kind of ultralow nitrogen metal surface combustion system of high-power anti-backfire Download PDFInfo
- Publication number
- CN110107894A CN110107894A CN201910480024.4A CN201910480024A CN110107894A CN 110107894 A CN110107894 A CN 110107894A CN 201910480024 A CN201910480024 A CN 201910480024A CN 110107894 A CN110107894 A CN 110107894A
- Authority
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- China
- Prior art keywords
- combustion
- jet pipeline
- burner
- fuel gas
- air
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 67
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 title claims abstract description 27
- 239000002737 fuel gas Substances 0.000 claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229920000914 Metallic fiber Polymers 0.000 claims 1
- 239000000567 combustion gas Substances 0.000 abstract description 7
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000005496 tempering Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005855 radiation Effects 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
- F23D14/12—Radiant burners
-
- 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
-
- 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
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- 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
- 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
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/82—Preventing flashback or blowback
Abstract
The invention discloses a kind of high-power ultralow nitrogen metal surface combustion systems of anti-backfire, including air purifier, vent hose, blast regulator, high pressure combustion fan, burner, burner mounting flange, fuel gas flow path valve group, combustion furnace, air-introduced machine, chimney and Oxygen Amount in Flue Gas analyzer test point etc.；The combustion system that the present invention passes through change burner, using stepped mixing, it evenly distributes, the technology of flame dispersion reduces furnace flame temperature to realize, pass through on-line checking smoke components value, automatically control combustion gas, the proportion of combustion air, reach automatic operating, efficiently solve NOx maximum discharge, air-flow mixing is uneven, de- fire easily occurs, the critical issue of the combustion processes such as tempering, boiler export initial flue gas discharge value after burning is set to reach≤ultralow nitrogen the combustion efficiency of 30mg/m3, the invention meets national environmental protection industrial policy, it can reduce environmental pollution, reduce entreprise cost, it is good for the environment.
Description
Technical field
The present invention relates to technical field of burner, in particular to a kind of high-power anti-backfire ultralow nitrogen metal surface burning system
System.
Background technique
Premixed combustion mode in porous media is that a kind of burning approach is entirely different, novel and unique low nitrogen burning skill
Art is admixture of gas high temperature resistant, good heat conductivity special porous media material in the process burnt, can reach complete combustion
It burns, the discharge amount very little of C0 and N0x, and can equably be conducted heat with convection current, radiation mode, the thermal efficiency is higher, it is represented
The developing direction of the super low-NO_x combustion technology of a new generation.But its maximum problem is no large-scale combustion head, large-scale combustion head
Production, is not simply by Small Combustion head by area ratio increase, wherein existing: the enlargement of process equipment tooling, machine
The a series of complex such as tool Structural Strength Design, calorific intensity design, the design of the internal flow flow velocity uniformity, output power design are asked
Topic, so a kind of ultralow nitrogen metal fiber surface combustor of high-power anti-backfire is urgently researched and developed.
Summary of the invention
The object of the invention is that solve the above-mentioned problems, and a kind of ultralow nitrogen metal watch of high-power anti-backfire is provided
Face combustion system.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions: a kind of high-power ultralow nitrogen metal of anti-backfire
Surface combustion system, including air purifier, vent hose, blast regulator, high pressure combustion fan, burner, burner peace
Fill flange, fuel gas flow path valve group, combustion furnace, air-introduced machine, chimney and Oxygen Amount in Flue Gas analyzer test point；The air purifier is logical
Vent hose is crossed to be connected together with blast regulator；The blast regulator is connected with high pressure combustion fan one again
It rises；One end connection natural gas of the fuel gas flow path valve group carrys out feed channel, and connection is super on the other end of the fuel gas flow path valve group
The air inlet of low NO ontology；The burner is fixedly connected on combustion furnace using pressing plate by burner mounting flange
On, it extend into its combustion head position in the fire trough in furnace；The combustion furnace rear end has also been sequentially communicated air-introduced machine and chimney；
The chimney is equipped with an Oxygen Amount in Flue Gas analyzer test point.
Preferably, the specific structure of the burner are as follows: including high-power ultralow nitrogen burner body, fuel gas inlet,
Divide gas tank, connect clip ball valve, igniting fire detector, Metal Fibre Combustion cylinder, jet pipeline one, jet pipeline two, jet fastly
Pipeline three, jet pipeline four and cyclone；The high-power ultralow nitrogen burner body front end is fixedly connected with a metal fibre
Dimension table face combustion barrel, the Metal Fibre Combustion cylinder are equipped with an igniting fire detector, the Metal Fibre Combustion
Cylinder inside center is fixedly connected with a cyclone；The high-power ultralow nitrogen burner body connects card there are four being fixedly connected fastly
Bind round ball valve；It is described to connect the connection of clip ball valve lower end fastly on a point of gas tank, it is described that the fixation of gas tank lower end is divided to be communicated with a combustion
Gas import, the fuel gas inlet are connected together with fuel gas flow path valve group；Four described connect fastly respectively correspond on clip ball valve
It is communicated with jet pipeline one, jet pipeline two, jet pipeline three and the jet pipeline four of several arrays in a circular manner, the spray
Air pipe one, jet pipeline two, jet pipeline three and jet pipeline four are located in Metal Fibre Combustion cylinder.
Preferably, the surface of the Metal Fibre Combustion cylinder is made of aluminium, manganese, chromium material.
Preferably, the Oxygen Amount in Flue Gas analyzer test point is equipped with an Oxygen Amount in Flue Gas analyzer.
Preferably, the fuel gas flow path valve group includes: hand valve, pressure gauge, pressure switch, safety cut-off valve, blow valve
And electric control valve.
Beneficial effects of the present invention: the present invention passes through the combustion system for changing burner, using stepped mixing, uniform point
Match, the technology of flame dispersion reduces furnace flame temperature to realize, by on-line checking smoke components value, automatically control combustion gas,
The proportion of combustion air, reaches automatic operating, efficiently solve NOx maximum discharge, air-flow mixing is uneven, de- fire easily occurs,
The critical issue of the combustion processes such as tempering makes boiler export initial flue gas discharge value after burning reach the≤ultralow nitrogen combustion of 30mg/m3
Effect is burnt, which meets national environmental protection industrial policy, can reduce environmental pollution, and reduces entreprise cost, is good for the environment.
Detailed description of the invention
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is partial structure diagram of the invention.
Fig. 3 is the structural schematic diagram of burner of the present invention.
Fig. 4 is the side structure schematic view of Fig. 4 of the present invention.
1- air purifier；2- vent hose；3- blast regulator；4- high pressure combustion fan；The high-power ultralow nitrogen combustion of 5-
Burner ontology；6- burner mounting flange；7- fuel gas flow path valve group；8- combustion furnace；9- air-introduced machine；10- chimney；11- flue gas oxygen
Measure analyzer test point；12- fuel gas inlet；13- divides gas tank；14- connects clip ball valve fastly；15- igniting fire detector；16- metal is fine
Dimension table face combustion barrel；17- jet pipeline one；18- jet pipeline two；19- jet pipeline three；20- jet pipeline four；21- eddy flow
Device.
Specific embodiment
As shown in Figures 1 to 4, present embodiment uses a kind of following technical scheme: high-power ultralow nitrogen of anti-backfire
Burner, including the installation of air purifier 1, vent hose 2, blast regulator 3, high pressure combustion fan 4, burner, burner
Flange 6, fuel gas flow path valve group 7, combustion furnace 8, air-introduced machine 9, chimney 10 and Oxygen Amount in Flue Gas analyzer test point 11；The air is net
Change device 1 to be connected together by vent hose 2 with blast regulator 3；The blast regulator 3 again with high pressure combustion fan 4
It is connected together；One end connection natural gas of the fuel gas flow path valve group 7 carrys out feed channel, the fuel gas flow path valve group 7 it is another
The air inlet of ultralow nitrogen burner body is connected on one end；The burner is fixed by burner mounting flange 6 using pressing plate
It is connected on combustion furnace 8, extend into its combustion head position in the fire trough in furnace；8 rear end of combustion furnace is also sequentially communicated
There are air-introduced machine 9 and chimney 10；The chimney 10 is equipped with an Oxygen Amount in Flue Gas analyzer test point 11.
As shown in Figures 1 to 4, the specific structure of the burner are as follows: including high-power ultralow nitrogen burner body 5, combustion
Gas import 12 divides gas tank 13, connects clip ball valve 14, igniting fire detector 15, Metal Fibre Combustion cylinder 16, jet pipeline one fastly
17, jet pipeline 2 18, jet pipeline 3 19, jet pipeline 4 20 and cyclone 21；The high-power super low NO sheet
5 front end of body is fixedly connected with a Metal Fibre Combustion cylinder 16, and the Metal Fibre Combustion cylinder 16 is equipped with one
Igniting fire detector 15,16 inside center of Metal Fibre Combustion cylinder are fixedly connected with a cyclone 21；The big function
The ultralow nitrogen burner body 5 of rate connects clip ball valve 14 there are four being fixedly connected fastly；It is described connect fastly 14 lower end of clip ball valve connection exist
It is described that the fixation of 13 lower end of gas tank is divided to be communicated with a fuel gas inlet 12, the fuel gas inlet 12 and combustion gas on one point of gas tank 13
Process valve group 7 is connected together；Four described to connect to respectively correspond on clip ball valve 14 fastly and is communicated with several battle arrays in a circular manner
Jet pipeline 1, jet pipeline 2 18, jet pipeline 3 19 and the jet pipeline 4 20 of column, the jet pipeline 1, spray
Air pipe 2 18, jet pipeline 3 19 and jet pipeline 4 20 are located in Metal Fibre Combustion cylinder 16.
Wherein, the surface of the Metal Fibre Combustion cylinder 16 is made of aluminium, manganese, chromium material；The Oxygen Amount in Flue Gas point
Analyzer test point 11 is equipped with an Oxygen Amount in Flue Gas analyzer；The fuel gas flow path valve group 7 includes: that hand valve, pressure gauge, pressure are opened
Pass, safety cut-off valve, blow valve and electric control valve.
The operation principle of the present invention is that: by dividing cool principle and higher coefficient of excess air using flame, reduce
Flame temperature accurately controls mixed air quantity by changing local velocity, after keeping combustion gas and air fully premixed, enters back into burning
Process, reduce the production quantity of NOx to greatest extent, by it is this burning reach its boiler export initial flue gas discharge value
The super low nitrogen burning of≤30mg/m3；It is ultralow nitrogen discharged high for burner performance requirement, the shape of flame, temperature, burning time
Etc. will accomplish flexibly controllable, general burner, which will be difficult to control its again after mixed gas " ejections " combustion head, to be developed；
Combustion space provided by the different type of furnaces, pressure etc. are also not quite similar, and nitrogen discharged are difficult continual and steady progress so that ultralow.Gold
Belong to fiber surface combustion technology and efficiently solve the problems, such as two above, combustion gas and combustion air is made to be constantly in controllable state, and
It is not influenced by burning situation, to realize the super low nitrogen burning of continual and steady natural gas.
In the description of the present invention, it is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Claims (5)
1. a kind of ultralow nitrogen metal surface combustion system of high-power anti-backfire, it is characterised in that: including air purifier (1), lead to
Wind hose (2), blast regulator (3), high pressure combustion fan (4), burner, burner mounting flange (6), fuel gas flow path valve group
(7), combustion furnace (8), air-introduced machine (9), chimney (10) and Oxygen Amount in Flue Gas analyzer test point (11)；
The air purifier (1) is connected together by vent hose (2) with blast regulator (3)；
The blast regulator (3) is connected together with high pressure combustion fan (4) again；
One end connection natural gas of the fuel gas flow path valve group (7) carrys out feed channel, on the other end of the fuel gas flow path valve group (7)
It is connected to the air inlet of ultralow nitrogen burner body；
The burner is fixedly connected on combustion furnace (8) by burner mounting flange (6) using pressing plate, its combustion head position is made
It sets and extend into the fire trough in furnace；
Combustion furnace (8) rear end has also been sequentially communicated air-introduced machine (9) and chimney (10)；
The chimney (10) is equipped with an Oxygen Amount in Flue Gas analyzer test point (11).
2. a kind of high-power ultralow nitrogen metal surface combustion system of anti-backfire according to claim 1, it is characterised in that: institute
State the specific structure of burner are as follows: including high-power ultralow nitrogen burner body (5), fuel gas inlet (12), divide gas tank (13), fast
Connect clip ball valve (14), igniting fire detector (15), Metal Fibre Combustion cylinder (16), jet pipeline one (17), jet pipeline
Two (18), jet pipeline three (19), jet pipeline four (20) and cyclone (21)；
High-power ultralow nitrogen burner body (5) front end is fixedly connected with a Metal Fibre Combustion cylinder (16), institute
Metal Fibre Combustion cylinder (16) are stated equipped with an igniting fire detector (15), the Metal Fibre Combustion cylinder (16) is interior
Portion center is fixedly connected with a cyclone (21)；
The high-power ultralow nitrogen burner body (5) connects clip ball valve (14) there are four being fixedly connected fastly；
It is described to connect the connection of clip ball valve (14) lower end fastly on a point of gas tank (13), it is described to divide gas tank (13) lower end fixed connection
There is a fuel gas inlet (12), the fuel gas inlet (12) is connected together with fuel gas flow path valve group (7)；
Four described to connect the jet pipeline one for respectively corresponding on clip ball valve (14) and being communicated with several arrays in a circular manner fastly
(17), jet pipeline two (18), jet pipeline three (19) and jet pipeline four (20), the jet pipeline one (17), air jet pipe
Road two (18), jet pipeline three (19) and jet pipeline four (20) are located in Metal Fibre Combustion cylinder (16).
3. a kind of high-power super low NO of anti-backfire according to claim 1, it is characterised in that: the Oxygen Amount in Flue Gas
Analyzer test point (11) is equipped with an Oxygen Amount in Flue Gas analyzer.
4. a kind of high-power super low NO of anti-backfire according to claim 1, it is characterised in that: the fuel gas flow path
Valve group (7) includes: hand valve, pressure gauge, pressure switch, safety cut-off valve, blow valve and electric control valve.
5. a kind of high-power super low NO of anti-backfire according to claim 2, it is characterised in that: the metallic fiber
The surface of surface combustion barrel (16) is made of aluminium, manganese, chromium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910480024.4A CN110107894A (en) | 2019-06-04 | 2019-06-04 | A kind of ultralow nitrogen metal surface combustion system of high-power anti-backfire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910480024.4A CN110107894A (en) | 2019-06-04 | 2019-06-04 | A kind of ultralow nitrogen metal surface combustion system of high-power anti-backfire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107894A true CN110107894A (en) | 2019-08-09 |
Family
ID=67493834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910480024.4A Pending CN110107894A (en) | 2019-06-04 | 2019-06-04 | A kind of ultralow nitrogen metal surface combustion system of high-power anti-backfire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107894A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789638A (en) * | 2022-11-29 | 2023-03-14 | 岳阳钟鼎热工电磁科技有限公司 | Full premix type flameless combustion system for pure oxygen combustion |
| CN116357948A (en) * | 2023-03-28 | 2023-06-30 | 唐山金沙燃烧热能股份有限公司 | Self-adaptive inverted multi-return heat exchange ultralow-nitrogen condensation steam generator |
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| CN210004393U (en) * | 2019-06-04 | 2020-01-31 | 唐山金沙燃烧热能股份有限公司 | high-power anti-backfire ultra-low nitrogen metal surface combustion system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789638A (en) * | 2022-11-29 | 2023-03-14 | 岳阳钟鼎热工电磁科技有限公司 | Full premix type flameless combustion system for pure oxygen combustion |
| CN115789638B (en) * | 2022-11-29 | 2024-02-13 | 湖南钟鼎热工科技股份有限公司 | Full-premix pure oxygen combustion flameless combustion system |
| CN116357948A (en) * | 2023-03-28 | 2023-06-30 | 唐山金沙燃烧热能股份有限公司 | Self-adaptive inverted multi-return heat exchange ultralow-nitrogen condensation steam generator |
| CN116357948B (en) * | 2023-03-28 | 2023-11-28 | 唐山金沙燃烧热能股份有限公司 | Self-adaptive inverted multi-return heat exchange ultralow-nitrogen condensation steam generator |
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