CN103968385A - Upper-lower combination type dual-heat storage burner with embedded burner blocks - Google Patents
Upper-lower combination type dual-heat storage burner with embedded burner blocks Download PDFInfo
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- CN103968385A CN103968385A CN201410225526.XA CN201410225526A CN103968385A CN 103968385 A CN103968385 A CN 103968385A CN 201410225526 A CN201410225526 A CN 201410225526A CN 103968385 A CN103968385 A CN 103968385A
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- 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
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Abstract
The invention provides an upper-lower combination type dual-heat storage burner with embedded burner blocks, and belongs to the technical field of dual-heat storage burning on heating furnaces and heat treatment furnaces. The upper-lower combination type dual-heat storage burner comprises a shell body, an air heat storage box, a coal gas heat storage box, the coal nozzle burner block and an air nozzle burner block; the air heat storage box and the coal gas heat storage box are combined in the shell body and are in an upper-lower structure. The embedded coal nozzle burner block and the embedded air nozzle burner block 18 are designed to be of a boss structure. When being installed on a burner body, the burner blocks are inserted into the burner body by 70 mm; when the burner blocks are mounted, a 10-mm zirconium-containing fiber blanket is wrapped around each burner block and extruded to be 5 mm thick, so that a compact fiber sealing surface is formed. The upper-lower combination type dual-heat storage burner with the embedded burner blocks has the advantages that the embedded burner blocks are of the boss structure and are connected with the burner body through drag hooks, the gaps between the burner blocks and the burner body are filled with the 10-mm zirconium-containing fiber blankets, and therefore the burner blocks and the burner body are more reliably connected; the burner is light in structure and convenient to install and maintain.
Description
Technical field
The invention belongs to the field of combustion technology on heating furnace and heat-treatment furnace.Be particularly related to the two heat-accumulating burners of the embedded upper and lower combined type of a kind of burner block.
Background technology
Traditional double heat-accumulating burner is in the time of design and installation, burner block end face is fixed on two heat-accumulating burner body front ends, concordant with furnace wall castable refractory, at burner block surrounding pouring fireproof material, because burner block is larger, 1 row anchored brick can only be set between burner block, consider that furnace wall castable refractory expands in the time of high temperature, need between burner block, need to arrange 1 6～10mm dilatation joint, due to the partition effect of dilatation joint, the anchored brick being fixed on furnace wall steel plate does not have the effect that sockets burner block by castable refractory, cause after stove operation a period of time, burner block is under thermal expansion stress and airflow scouring, tilted to stove, the production accident such as even cause that furnace wall caves in.The two heat-accumulating burners of the embedded upper and lower combined type of burner block that the present invention relates to adopt the sky of miniaturization, coal gas burner brick, weight is lighter, be convenient to install, it is mainly by air heat-accumulating burner, coal gas heat-accumulating burner and supporting burner block combine, upper heating burner gas port under, air port is upper, otherwise under add, burner block is embedded in furnace wall castable refractory simultaneously, sealing closely, easy for installation, being convenient to furnace wall stays and establishes dilatation joint, solve traditional double heat-accumulating burner because furnace wall castable dilatation joint is set, cause furnace wall anchored brick not have the effect that sockets burner block by castable refractory.
Summary of the invention
The object of the present invention is to provide the two heat-accumulating burners of the embedded upper and lower combined type of a kind of burner block, solve defect and deficiency that existing pair of heat-accumulating burner burner exists.
The present invention includes housing 20, air heat storage tank 16, coal gas heat storage tank 15, gas port burner block 1, air port burner block 18.Air heat storage tank 16 and coal gas heat storage tank 15 adopt upper and lower textural association in housing.End " recessed " groove that gas port burner block 1 and air port burner block 18 are arranged on respectively coal gas heat storage tank 15 and air heat storage tank 16 is assembled together, in the time that coal gas heat storage tank 15 and air heat storage tank 16 inwalls are built high-strength light castable 11, its end pours into " recessed " groove structure, concave surface than the inner chamber of coal gas heat storage tank 15, air heat storage tank 16 wide go out 25～30mm, the dark 75mm of groove, forms the assembling of " concavo-convex " face with gas port burner block 1, air port burner block 18; Gas port burner block 1 be upper and lower combined type with air port burner block 18, and when burner is arranged on upper furnace, air port burner block 18 is upper, gas port burner block 1 under, the upper and lower oblique mixing of empty, Gas Flow; When burner is arranged on lower furnace portion, gas port burner block 1 is upper, air port burner block 18 under, coal, the upper and lower oblique of air stream are mixed.
Gas port burner block 1, air port burner block 18 are designed to " boss " structure, while assembling with burner body, burner block inserts burner body 70mm, in the time that burner block is installed, be squeezed into 5mm at burner block surrounding parcel 10mm containing zirconium tapetum fibrosum thick, form feltwork sealing surface; Both sides and top at burner block respectively arrange 2 drag hooks 22, the boss of gas port burner block 1, air port burner block 18 is hooked in drag hook 22 one end, the other end is welded on the gusset 24 of burner shell 20, by the fixing gas port burner block 1 of drag hook 22, air port burner block 18, gas port burner block 1, air port burner block 18 are connected in aggregates with burner body, prevent that burner block from installing fixingly unstable, the furnace wall phenomenon of collapsing occurs; In burner shell both sides and centre position 13 and 13 anchored brick drag hooks 23 of 13 anchored bricks are set altogether, in the time building furnace wall castable refractory 14, socket castable refractory 14 by being arranged on anchored brick 13 on burner body, furnace wall refractory material 14 is built by laying bricks or stones more reliable, improves the service life of furnace wall and two heat-accumulating burners.
Burner body is made shell by steel plate, and the liner of housing adopts the thick ceramic fiber blanket of 40～50mm and the thick high-strength light castable of 80～100mm compound heat-insulation structure.Burner when mounted, housing inserts furnace wall 150mm, burner installing plate and furnace wall steel plate inside and outside surrounding adopt continuous welding mode to be connected, after burner body is installed and is fixed, insert 150mm part surrounding welding anchoring hook in furnace wall steel plate, the spacing of anchoring hook is 100～120mm, the integrated poured castable refractory of housing surrounding, to strengthen the sealing of burner body, burner block and furnace wall steel plate junction surrounding, prevent burner gas leakage or burn with anger.
Air heat storage tank and coal gas heat storage tank include the parts such as heat storage, floater guide block, hot junction cavity, flase floor, flase floor installation screw and cold junction cavity.Air heat storage tank and coal gas heat storage tank are independent of one another, between leave 100mm heat radiation gap, guarantee that upper lower box completely reliably separates.In air heat storage tank and coal gas heat storage tank, place cellular heat storage, heat storage temperature end arranges floater guide block, covers the radiation of high-temperature furnace gas to heat storage, improves the service life of heat storage, and separates heat storage and hot junction cavity by floater guide block; Heat storage low-temperature end arranges flase floor, improves heat storage and stacks stability, and flase floor is fixed on cold junction cavity by construction bolt.
Hot junction cavity is connected with burner block, and establishes air port and gas port at the end face of burner block.Air port and gas port are combination up and down, and when burner is arranged on upper furnace, air port is upper, gas port under, empty, the upper and lower oblique of Gas Flow is mixed.When burner is arranged on lower furnace portion, gas port is upper, air port under, coal, the upper and lower oblique of air stream are mixed.
Cold junction cavity comprises gas entry (exhanst gas outlet), air intake (exhanst gas outlet) and loading hatch.Cold junction cavity end arranges loading hatch, to floater guide block, heat storage, flase floor are dismantled in installing and safeguarding at ordinary times.Loading hatch is arranged on cold junction cavity by flange, bolt etc.
The present invention has following advantages:
1, adopt embedded burner block, nozzle structure lightness, burner block thickness drops to 160mm by traditional δ=400mm, burner block profile size reduction to 30%, burner block weight drops to 70Kg by 600Kg, is convenient to install, safeguard.
2, embedded burner block adopts boss structure, by drag hook, burner block is connected in aggregatesly with burner body, clogs 10mm simultaneously and contain zirconium tapetum fibrosum between burner block and body, makes burner block, burner body connection more reliable;
3, burner body both sides arrange anchored brick, while solving the installation of traditional double heat-accumulating burner, 1 row anchored brick can only be set between burner block, consider that furnace wall castable refractory expands in the time of high temperature, need between burner block, need to arrange 1 6～10mm dilatation joint, due to the partition effect of dilatation joint, the anchored brick being fixed on furnace wall steel plate does not have the effect that sockets burner block by castable refractory, cause after stove operation a period of time, burner block is under thermal expansion stress and airflow scouring, tilted to stove, the production accident such as even cause that furnace wall caves in.
Brief description of the drawings
Fig. 1 is the front view of the two heat-accumulating burners of the embedded upper and lower combined type of burner block.Wherein, gas port burner block 1, floater guide block 2, heat storage 3, flase floor 4, loading hatch 5, gas entry (exhanst gas outlet) 6, air intake (exhanst gas outlet) 7, construction bolt 8, anchoring hook 9, ceramic fiber blanket 10, high-strength light castable 11, tapetum fibrosum 12, anchored brick 13, castable refractory 14, coal gas heat storage tank 15, air heat storage tank 16, burner installing plate 17, air port burner block 18, furnace wall steel plate 19, housing 20, cold junction cavity 21, drag hook 22, anchored brick drag hook 23, housing gusset 24.
Fig. 2 is the A-A profile of the two heat-accumulating burners of the embedded upper and lower combined type of burner block.
Fig. 3 is the B-B profile of the two heat-accumulating burners of the embedded upper and lower combined type of burner block.
Fig. 4 is that the C of the two heat-accumulating burners of the embedded upper and lower combined type of burner block is to view.
Fig. 5 is that the D of the two heat-accumulating burners of the embedded upper and lower combined type of burner block is to view.
Detailed description of the invention
Fig. 1-Fig. 5 is the specific embodiment of the present invention accompanying drawing.
The present invention includes housing 20, air heat storage tank 16, coal gas heat storage tank 15, air port burner block 18, gas port burner block 1.Air heat storage tank 16 and coal gas heat storage tank 15 adopt upper and lower textural association in housing 20.
Embedded gas port burner block 1, air port burner block 18 are designed to " boss " structure, while assembling with burner body, burner block inserts burner body 70mm, in the time that burner block is installed, be squeezed into 5mm at burner block surrounding parcel 10mm containing zirconium tapetum fibrosum thick, form feltwork sealing surface; Both sides and top at burner block respectively arrange 2 drag hooks 22, the boss of gas port burner block 1, air port burner block 18 is hooked in drag hook 22 one end, the other end is welded on the gusset 24 of burner shell 20, by the fixing gas port burner block 1 of drag hook 22, air port burner block 18, prevent that burner block from installing fixingly unstable, the furnace wall phenomenon of collapsing occurs.In burner shell both sides and centre position 13 and 13 anchored brick drag hooks 23 of 13 anchored bricks are set altogether, in the time building furnace wall castable refractory 14, socket castable refractory 14 by being arranged on anchored brick 13 on burner body, furnace wall refractory material 14 is built by laying bricks or stones more reliable, improves the service life of furnace wall and two heat-accumulating burners.
Housing 20 is made shell by steel plate, and the liner of housing adopts the thick ceramic fiber blanket 10 of 40～50mm and the thick high-strength light castable 11 compound heat-insulation structures of 80～100mm.Burner when mounted, housing 20 inserts furnace wall steel plate 150mm, burner installing plate 17 adopts continuous welding mode to be connected with furnace wall steel plate 19 innner and outer surroundings, after burner body is installed and is fixed, insert the interior 150mm part surrounding welding of furnace wall steel plate 19 anchoring hook 9, the spacing of anchoring hook 9 is 100～120mm, the integrated poured castable refractory 14 of housing 20 surrounding, to strengthen the sealing of housing 20, gas port burner block 1, air port burner block 18 and furnace wall steel plate 19 junction surroundings, prevent burner gas leakage or burn with anger.
Air heat storage tank 16 and coal gas heat storage tank 15 include the parts such as heat storage 3, floater guide block 2, flase floor 4, flase floor construction bolt 8 and cold junction cavity 21.Air heat storage tank 16 and coal gas heat storage tank 15 are independent of one another, between leave 100mm heat radiation gap, guarantee that upper and lower casing completely reliably separates.At air heat storage tank 16 and the cellular heat storage 3 of the interior placement of coal gas heat storage tank 15, heat storage 3 temperature end arrange floater guide block 2, cover the radiation of high-temperature furnace gas to heat storage 3, improve the service life of heat storage 3, and separate heat storage and burner block by floater guide block 2; Heat storage 3 low-temperature end arrange flase floor 4, improve heat storage 3 and stack stability, and flase floor 4 is fixed on cold junction cavity 21 by construction bolt 8.
End " recessed " groove that gas port burner block 1 and air port burner block 18 are arranged on respectively coal gas heat storage tank 15 and air heat storage tank 16 is assembled together, in the time that coal gas heat storage tank 15 and air heat storage tank 16 inwalls are built high-strength light castable 11, its end pours into " recessed " groove structure, concave surface than the inner chamber of coal gas heat storage tank 15, air heat storage tank 16 wide go out 25～30mm, the dark 75mm of groove, forms the assembling of " concavo-convex " face with gas port burner block 1, air port burner block 18.Gas port burner block 1 be upper and lower combined type with air port burner block 18, and when burner is arranged on upper furnace, air port burner block 18 is upper, gas port burner block 1 under, the upper and lower oblique mixing of empty, Gas Flow.When burner is arranged on lower furnace portion, gas port burner block 1 is upper, air port burner block 18 under, coal, the upper and lower oblique of air stream are mixed.
Cold junction cavity 21 comprises gas entry (exhanst gas outlet) 6, air intake (exhanst gas outlet) 7 and loading hatch 5.Cold junction cavity 21 ends arrange loading hatch 5, to floater guide block 2, heat storage 3, flase floor 4 are dismantled in installing and safeguarding at ordinary times.Loading hatch 5 is arranged on cold junction cavity 21 by flange, bolt etc.
Housing gusset 24 is welded on the end of housing 20, apart from shell end 10mm, and its thickness δ=10mm, width b=100mm, is connected and installed along the inner surrounding of housing shell steel plate, continuously for fixing anchored brick drag hook 23 and anchored brick 13;
Gas port burner block 1, air port burner block 18 adopt Al
2o
3the corundum-mullite castable moulding by casting of >72%, carries out 350 DEG C of bakings before dispatching from the factory;
Floater guide block 2 adopts Al
2o
3the corundum fireproof castable moulding by casting of >72%, carries out 350 DEG C of bakings before dispatching from the factory;
Heat storage 3 adopts Al
2o
3the corundum porzite flame-proof castable moulding by casting of >72%, adopts hexagon honeycomb, hexagonal inscribed circle diameter Φ 2.5～3mm, and wall thickness: 1mm, carries out 350 DEG C of bakings before dispatching from the factory;
Flase floor 4 adopts common zinc-plated flase floor machine-shaping;
Loading hatch 5 is made up of flange and flange end cap, is arranged on cold junction cavity 21 by bolt;
Anchoring hook 9 adopts Φ 6mm round steel pre-formed, height h=100mm, and material is: 1Cr18Ni9Ti;
Ceramic fiber blanket 10 adopts the fibrofelt of 1000 DEG C of heatproofs, and thickness is 40～50mm;
High-strength light castable 11 adopts Al
2o
3the castable that >40%, long-term serviceability temperature are 1300 DEG C;
Anchored brick 13 adopts Al
2o
3content, in the moulding of 55% castable mechanism, carries out 350 DEG C of bakings before dispatching from the factory;
Castable refractory 14 adopts Al
2o
3the low cement pouring material of >65%;
Burner installing plate 17 adopts the machine-shaping of thickness δ=16mm steel plate, width: 60mm, material: Q235-B;
Furnace wall steel plate 19 adopts the machine-shaping of thickness δ=6mm steel plate, material: Q235-B;
Housing 20 adopts the machine-shaping of thickness δ=6mm steel plate, material: Q235-B;
Cold junction cavity 21 adopts the machine-shaping of thickness δ=6mm steel plate, material: Q235-B
Drag hook 22 adopts 90 ° of moulding of Φ 18mm round steel pre-bending, and material is: Cr25Ni20;
Anchored brick drag hook 23 adopts 90 ° of moulding of Φ 18mm round steel pre-bending, and material is: 1Cr18Ni9Ti;
Housing gusset 24 adopts the machine-shaping of thickness δ=10mm steel plate, material: 1Cr18Ni9Ti.
Claims (5)
1. the two heat-accumulating burners of the embedded upper and lower combined type of burner block, it is characterized in that, comprise housing (20), air heat storage tank (16), coal gas heat storage tank (15), gas port burner block (1), air port burner block (18); Air heat storage tank 16, coal gas heat storage tank (15) adopt up-down structure to be combined in housing (20);
Gas port burner block (1) and air port burner block (18) are arranged on respectively end " recessed " groove of coal gas heat storage tank (15) and air heat storage tank (16), in the time that coal gas heat storage tank (15) and air heat storage tank (16) inwall are built high-strength light castable (11), its end pours into " recessed " groove structure, concave surface is than coal gas heat storage tank (15), the inner chamber of air heat storage tank (16) wide go out 25～30mm, the dark 75mm of groove, with gas port burner block (1), air port burner block (18) forms the assembling of " concavo-convex " face, gas port burner block (1) is upper and lower combined type with air port burner block (18), when burner is arranged on upper furnace, air port burner block (18) is upper, gas port burner block (1) under, empty, the upper and lower oblique of Gas Flow is mixed, when burner is arranged on lower furnace portion, gas port burner block (1) is upper, air port burner block (18) under, coal, the upper and lower oblique of air stream are mixed.
2. burner according to claim 1, it is characterized in that: gas port burner block (1), air port burner block (18) are designed to " boss " structure, while assembling with burner body, burner block inserts burner body 70mm, in the time that burner block is installed, be squeezed into 5mm at burner block surrounding parcel 10mm containing zirconium tapetum fibrosum thick, form feltwork sealing surface; Both sides and top at burner block respectively arrange 2 drag hooks (22), the boss of gas port burner block (1), air port burner block (18) is hooked in drag hook (22) one end, the other end is welded on the gusset (24) of burner shell (20), by the fixing gas port burner block (1) of drag hook (22), air port burner block (18), gas port burner block (1), air port burner block (18) are connected in aggregates with burner body, prevent that burner block from installing fixingly unstable, the furnace wall phenomenon of collapsing occurs; In burner shell both sides and centre position 13 anchored bricks (13) and 13 anchored brick drag hooks (23) are set altogether, in the time building furnace wall castable refractory (14), socket castable refractory (14) by being arranged on anchored brick on burner body (13).
3. burner according to claim 1, it is characterized in that: described housing (20) is made shell by steel plate, the liner of housing adopts the thick ceramic fiber blanket 10 of 40～50mm and the thick high-strength light castable of 80～100mm (11) compound heat-insulation structure, burner when mounted, housing (20) inserts furnace wall steel plate 150mm, burner installing plate (17) and furnace wall steel plate (19) are inner, outer surrounding adopts continuous welding mode to connect, after burner body is installed and is fixed, insert the interior 150mm part of furnace wall steel plate (19) surrounding welding anchoring hook (9), the spacing of anchoring hook (9) is 100～120mm, the integrated poured castable refractory of housing (20) surrounding (14), to strengthen housing (20), gas port burner block (1), the sealing of air port burner block (18) and furnace wall steel plate (19) junction surrounding, prevent burner gas leakage or burn with anger.
4. burner according to claim 1, is characterized in that: air heat storage tank (16) and coal gas heat storage tank (15) include heat storage (3), floater guide block (2), flase floor (4), flase floor construction bolt (8) and cold junction cavity (21); Air heat storage tank (16) and coal gas heat storage tank (15) are independent of one another, stay between the two and establish 100mm heat radiation gap, guarantee that upper and lower casing completely reliably separates; In air heat storage tank (16) and coal gas heat storage tank (15), place cellular heat storage (3), heat storage (3) temperature end arranges floater guide block (2), cover the radiation of high-temperature furnace gas to heat storage (3), and separate heat storage and burner block by floater guide block (2); Heat storage (3) low-temperature end arranges flase floor (4), improves heat storage (3) and stacks stability, and flase floor (4) is fixed on cold junction cavity (21) by construction bolt (8).
5. burner according to claim 4, is characterized in that: cold junction cavity (21) comprises gas entry (6), air intake (7) and loading hatch (5); Cold junction cavity (21) end arranges loading hatch (5), in installing and safeguarding at ordinary times, floater guide block (2), heat storage (3), flase floor (4) is dismantled; Loading hatch (5) is arranged on cold junction cavity (21) by flange, bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225526.XA CN103968385A (en) | 2014-05-24 | 2014-05-24 | Upper-lower combination type dual-heat storage burner with embedded burner blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225526.XA CN103968385A (en) | 2014-05-24 | 2014-05-24 | Upper-lower combination type dual-heat storage burner with embedded burner blocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103968385A true CN103968385A (en) | 2014-08-06 |
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ID=51238208
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410225526.XA Pending CN103968385A (en) | 2014-05-24 | 2014-05-24 | Upper-lower combination type dual-heat storage burner with embedded burner blocks |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154542A (en) * | 2014-09-02 | 2014-11-19 | 中冶华天工程技术有限公司 | Combustion device with heat exchange function |
| CN105202543A (en) * | 2015-10-20 | 2015-12-30 | 北京首钢国际工程技术有限公司 | Multi-stream, high-temperature and low-oxygen and low NOx horizontally combined type single heat storage burner |
| CN106642112A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Flat flame-crossover heat-accumulation type radiant tube combustion device |
| CN106642111A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Fractional combustion heat accumulating type radiant tube combustion device |
| CN107238292A (en) * | 2017-06-19 | 2017-10-10 | 中国五冶集团有限公司 | A kind of installation method and its installation auxiliary device of heating furnace furnace wall burner block |
| CN113108284A (en) * | 2021-04-26 | 2021-07-13 | 北京首钢国际工程技术有限公司 | Staged combustion paired independent combined ultralow NO (nitric oxide)xDouble heat-storage burner |
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| CN202419651U (en) * | 2011-10-27 | 2012-09-05 | 北京首钢国际工程技术有限公司 | Multi-stream secondary combustion, high temperature, low oxygen, low NOx combined regenerative burner |
| CN203907614U (en) * | 2014-05-24 | 2014-10-29 | 北京首钢国际工程技术有限公司 | Top-bottom combined dual-regeneration burner with embedded burner blocks |
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| EP0333239A2 (en) * | 1988-03-16 | 1989-09-20 | Bloom Engineering Company, Inc., | Regenerative burners with a device for suppressing NOx formation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154542A (en) * | 2014-09-02 | 2014-11-19 | 中冶华天工程技术有限公司 | Combustion device with heat exchange function |
| CN105202543A (en) * | 2015-10-20 | 2015-12-30 | 北京首钢国际工程技术有限公司 | Multi-stream, high-temperature and low-oxygen and low NOx horizontally combined type single heat storage burner |
| CN106642112A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Flat flame-crossover heat-accumulation type radiant tube combustion device |
| CN106642111A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Fractional combustion heat accumulating type radiant tube combustion device |
| CN107238292A (en) * | 2017-06-19 | 2017-10-10 | 中国五冶集团有限公司 | A kind of installation method and its installation auxiliary device of heating furnace furnace wall burner block |
| CN113108284A (en) * | 2021-04-26 | 2021-07-13 | 北京首钢国际工程技术有限公司 | Staged combustion paired independent combined ultralow NO (nitric oxide)xDouble heat-storage burner |
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Application publication date: 20140806 |