CN203010603U - Burner for bright hood-type annealing furnace - Google Patents
Burner for bright hood-type annealing furnace Download PDFInfo
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- CN203010603U CN203010603U CN 201220632255 CN201220632255U CN203010603U CN 203010603 U CN203010603 U CN 203010603U CN 201220632255 CN201220632255 CN 201220632255 CN 201220632255 U CN201220632255 U CN 201220632255U CN 203010603 U CN203010603 U CN 203010603U
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Abstract
The utility model relates to a burner for a bright hood-type annealing furnace. The burner is characterized by comprising an ignition electrode, a gas pipe flange, a gas pipe line, an air short pipe, an air pipe flange, an air conduit, an upper air branch pipe, a lower air branch pipe, an air leading-in hole, an air outlet circumferential passage, a gas outlet circumferential passage and a gas outlet center passage, wherein a center line of the gas pipe line is overlapped with the air conduit; the exterior of the gas pipe line is sleeved with the air conduit; four identical circular-truncated-cone-shaped air outlet circumferential passages are formed at the outlet end of the air conduit; a gas outlet center passage and four identical circular-truncated-cone-shaped gas outlet circumferential passages are formed at the outlet end of the gas pipe line; and the upper and lower air branch pipes and air leading-in holes are arranged between the middle part and the outlet end of the gas pipe line. Preliminary mixing of air and gas is achieved, the circular-truncated-cone-shaped air outlet circumferential passages and the gas outlet circumferential passages structurally guarantee inter-permeation of the air and the gas, the burner can mix the gas and the air more uniformly and combust the gas fully.
Description
Technical field
The utility model relates to the metallurgical industry Field of Heat-treatment, relates in particular to a kind of bright cover type annealing stove burner.
Background technology
At present, at the Field of Heat-treatment of metallurgical industry, bright cover type annealing stove is widely used in the annealing operation after cold rolling of strip steel, and the purpose of annealing is internal stress and the work hardening that produces in cold-rolled process with steel in order to eliminate, and improves the plasticity with steel; As one of committed step of annealing operation, heating with steel is even more important, underheat or over-heating will directly have influence on final product quality, and existing bright cover type annealing stove burner is take coal gas as fuel, and accompany by air and carry out combustion-supporting heating, because structurally there is defective in burner, cause coal gas and air to mix inhomogeneous, gas-fired is insufficient, the thermal efficiency is low, and gas consumption is high.
Summary of the invention
The purpose of this utility model is to provide a kind of bright cover type annealing stove burner, and this burner can make coal gas and air mix, and gas-fired is abundant, and the thermal efficiency improves, and can reduce gas consumption simultaneously.
to achieve these goals, the technical scheme that its technical problem that solves the utility model adopts is: a kind of bright cover type annealing stove burner, it is characterized in that it comprises ignitor, the gas pipe flange, gas piping, the air short tube, the air hose flange, air duct, the overhead gas branch pipe, lower air arm, the air entrance hole, the first air outlet slit circumferential passageway, the second air outlet slit circumferential passageway, the 3rd air outlet slit circumferential passageway, the 4th air outlet slit circumferential passageway, the first gas exit circumferential passageway, the second gas exit circumferential passageway, the 3rd gas exit circumferential passageway, the 4th gas exit circumferential passageway and gas exit central passage, the center line of gas piping and the center line of air duct overlap, and air duct is enclosed within the gas piping outside, the upper end of air short tube is connected with the air hose flange, the lower end of air short tube is communicated with the arrival end of air duct, the port of export at air duct is the first air outlet slit circumferential passageway, the second air outlet slit circumferential passageway, the 3rd air outlet slit circumferential passageway, the 4th air outlet slit circumferential passageway, they are identical truncated cone-shaped, the first air outlet slit circumferential passageway small end, the second air outlet slit circumferential passageway small end, the 3rd air outlet slit circumferential passageway small end and the 4th air outlet slit circumferential passageway small end are communicated with air duct, described the first air outlet slit circumferential passageway axis, the second air outlet slit circumferential passageway axis, the 3rd air outlet slit circumferential passageway axis is parallel with the center line of air duct with the 4th air outlet slit circumferential passageway axis, and the distance to the air duct center line equates, wherein the first air outlet slit circumferential passageway and the 3rd air outlet slit circumferential passageway were symmetrically distributed in the horizontal plane both sides of air duct center line, and the center line of the first air outlet slit circumferential passageway center line and the 3rd air outlet slit circumferential passageway was positioned at the vertical plane of air duct center line, the second air outlet slit circumferential passageway and the 4th air outlet slit circumferential passageway were symmetrically distributed in the vertical plane both sides of air duct center line, and the second air outlet slit circumferential passageway center line and the 4th air outlet slit circumferential passageway center line were positioned at the horizontal plane of air duct center line, the arrival end of gas piping is connected with the gas pipe flange, the port of export of gas piping is five gas exit passages, one of them gas exit passage is columniform gas exit central passage, the center line of gas exit central passage overlaps with the center line of gas piping, all the other four gas exit passages are the first gas exit circumferential passageway, the second gas exit circumferential passageway, the 3rd gas exit circumferential passageway, the 4th gas exit circumferential passageway, they are identical truncated cone-shaped, the first gas exit circumferential passageway small end, the second gas exit circumferential passageway small end, the 3rd gas exit circumferential passageway small end, the 4th gas exit circumferential passageway small end is communicated with gas piping, described the first gas exit circumferential passageway axis, the second gas exit circumferential passageway axis, the 3rd gas exit circumferential passageway axis is parallel with the center line of gas piping with the 4th gas exit circumferential passageway axis and equal to the distance of gas piping center line, wherein the first gas exit circumferential passageway and the 3rd gas exit circumferential passageway were symmetrically distributed in the vertical plane that the horizontal plane both sides of gas piping center line and the first gas exit circumferential passageway center line and the 3rd gas exit circumferential passageway center line were positioned at the gas piping center line, the second gas exit circumferential passageway and the 4th gas exit circumferential passageway were symmetrically distributed in the horizontal plane that the vertical plane both sides of gas piping center line and the second gas exit circumferential passageway center line and the 4th gas exit circumferential passageway center line were positioned at the gas piping center line, the first gas exit circumferential passageway, the second gas exit circumferential passageway, the 3rd gas exit circumferential passageway, the 4th gas exit circumferential passageway are corresponding with the first air outlet slit circumferential passageway, the second air outlet slit circumferential passageway, the 3rd air outlet slit circumferential passageway, the 4th air outlet slit circumferential passageway respectively.
Middle part and the inside between the port of export at gas piping arrange respectively upper and lower two air arms, overhead gas branch pipe most significant end is concordant with the outer wall of gas piping topmost, overhead gas branch pipe least significant end is concordant with the topmost of gas exit central passage, and overhead gas branch pipe center line and gas piping center line are along flow of gas direction angle at 45 °; Lower air arm most significant end is concordant with gas exit central passage foot, and lower air arm least significant end is concordant with the outer wall of gas piping foot, and lower air arm center line and gas piping center line are along flow of gas direction angle at 45 °; Overhead gas branch pipe and lower air arm are symmetrical up and down about the center line of gas piping; Under certain pressure, the part air in air duct through upper and lower air arm enter the inside of gas pipeline center near, tentatively mix with the gas piping center coal gas near the gas exit central passage.
At the position of gas piping near the port of export, air entrance hole along uniform four circles of the circumferencial direction of gas piping, described four air entrance hole sizes are identical, wherein two air entrance holes center of circle of being symmetrically distributed in the horizontal plane both sides of gas piping center line and these two air entrance holes was positioned at the vertical plane of gas piping center line, and the center of circle that all the other two air entrance holes were symmetrically distributed in the vertical plane both sides of gas piping center line and these two air entrance holes was positioned at the horizontal plane of gas piping center line; Under certain pressure, part air in air duct enters in gas piping through the air entrance hole, tentatively mixes with coal gas before the first gas exit circumferential passageway entrance, before the second gas exit circumferential passageway entrance, before the 3rd gas exit circumferential passageway entrance, before the 4th gas exit circumferential passageway entrance; Four air entrance holes and the first gas exit circumferential passageway, the second gas exit circumferential passageway, the 3rd gas exit circumferential passageway, the 4th gas exit circumferential passageway are corresponding.
under the effect of ignitor, coal gas tentatively mixes rear being lighted with air, under certain gas pressure, coal gas after lighting and air gas mixture are respectively through the first gas exit circumferential passageway, the second gas exit circumferential passageway, the 3rd gas exit circumferential passageway, the 4th gas exit circumferential passageway and gas exit central passage continue to flow, with the first air outlet slit circumferential passageway, the second air outlet slit circumferential passageway, the 3rd air outlet slit circumferential passageway and the 4th air outlet slit circumferential passageway air out mix again, due to the first air outlet slit circumferential passageway, the second air outlet slit circumferential passageway, the 3rd air outlet slit circumferential passageway and the 4th air outlet slit circumferential passageway and the first gas exit circumferential passageway, the second gas exit circumferential passageway, the 3rd gas exit circumferential passageway, the 4th gas exit circumferential passageway is outlet diameter greater than the truncated cone-shaped of inlet diameter, can guarantee on structure that being the radiation state after air and coal gas flow out with certain pressure disperses, just guaranteed that also air and coal gas interpenetrate again, mix, mix with air through twice, coal gas is more even with mixing of air, the burning of coal gas is more abundant, the thermal efficiency of coal gas is also higher.
the beneficial effects of the utility model: on arranging, lower air arm and air entrance hole, can make the coal gas of the interior centre of gas piping and limit section all obtain tentatively mixing with air, the first air outlet slit circumferential passageway of truncated cone-shaped, the second air outlet slit circumferential passageway, the 3rd air outlet slit circumferential passageway, the 4th air outlet slit circumferential passageway, the first gas exit circumferential passageway, the second gas exit circumferential passageway, the 3rd gas exit circumferential passageway, the 4th gas exit circumferential passageway makes under certain pressure the outflow of air and coal gas be radial to disperse, make the mixing of coal gas and air more even, the more abundant thermal efficiency of the burning of coal gas is higher.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view;
Fig. 4 is that the C-C of Fig. 1 is to cutaway view;
Fig. 5 is that the D of Fig. 1 is to view;
Fig. 6 is that the E of Fig. 1 is to view.
in figure: the 1-ignitor, 2-gas pipe flange, 2a-gas pipe flange bolt hole, the 3-gas piping, 4-air short tube, 5-air hose flange, 5a-air hose flange bolt hole, the 6-air duct, 7a-overhead gas branch pipe, air arm under 7b-, 8a, 8b, 8c, 8d-air entrance hole, 9a-the first air outlet slit circumferential passageway, 9b-the second air outlet slit circumferential passageway, 9c-the 3rd air outlet slit circumferential passageway, 9d-the 4th air outlet slit circumferential passageway, 10a-the first gas exit circumferential passageway, 10b-the second gas exit circumferential passageway, 10c-the 3rd gas exit circumferential passageway, 10d-the 4th gas exit circumferential passageway, 11-gas exit central passage.
The specific embodiment
as Fig. 1, 3, 4, shown in 5, a kind of bright cover type annealing stove burner, comprise ignitor 1, gas pipe flange 2, gas piping 3, air short tube 4, air hose flange 5, air duct 6, overhead gas branch pipe 7a, lower air arm 7b, air entrance hole 8a, 8b, 8c, 8d, the first air outlet slit circumferential passageway 9a, the second air outlet slit circumferential passageway 9b, the 3rd air outlet slit circumferential passageway 9c, the 4th air outlet slit circumferential passageway 9d, the first gas exit circumferential passageway 10a, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d and gas exit central passage 11.
As shown in Fig. 1,3,4, the center line of the center line of gas piping 3 and air duct 6 overlaps, and air duct 6 is enclosed within the outside of gas piping 3.
as shown in Fig. 1,5, coal gas enters gas piping 3 by gas pipe flange 2, flow with certain pressure and speed in gas piping 3, the port of export at gas piping 3 is five gas exit passages, one of them gas exit passage is columniform gas exit central passage 11, and the center line of described gas exit central passage 11 overlaps with the center line of gas piping 3, all the other four gas exit passages are the first gas exit circumferential passageway 10a, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d, they are identical truncated cone-shaped, described the first gas exit circumferential passageway 10a small end, the second gas exit circumferential passageway 10b small end, the 3rd gas exit circumferential passageway 10c small end, the small end of the 4th gas exit circumferential passageway 10d is communicated with gas piping 3, the first gas exit circumferential passageway 10a center line, the second gas exit circumferential passageway 10b center line, the 3rd gas exit circumferential passageway 10c center line, the 4th gas exit circumferential passageway 10d center line is parallel with gas piping 3 center lines and equal to the distance of gas piping 3 center lines, the first gas exit circumferential passageway 10a wherein, the 3rd gas exit circumferential passageway 10c was symmetrically distributed in the horizontal plane both sides of gas piping 3 center lines, and the first gas exit circumferential passageway 10a center line and the 3rd gas exit circumferential passageway 10c center line were positioned at the vertical plane of gas piping 3 center lines, the second gas exit circumferential passageway 10b, the 4th gas exit circumferential passageway 10d were symmetrically distributed in the vertical plane both sides of gas piping 3 center lines, and the second gas exit circumferential passageway 10b center line and the 4th gas exit circumferential passageway 10d center line were positioned at the horizontal plane of gas piping 3 center lines.
as Fig. 1, shown in 5, air enters air duct 6 by gas pipe flange 2 through air short tube 4, flow with certain pressure and speed in air duct 6, be divided into the first air outlet slit circumferential passageway 9a at air duct 6 ports of export, the second air outlet slit circumferential passageway 9b, the 3rd air outlet slit circumferential passageway 9c, the 4th air outlet slit circumferential passageway 9d, they are identical truncated cone-shaped, described the first air outlet slit circumferential passageway 9a small end, the second air outlet slit circumferential passageway 9b small end, the 3rd air outlet slit circumferential passageway 9c small end, the 4th air outlet slit circumferential passageway 9d small end is communicated with air duct 6, the first air outlet slit circumferential passageway 9a center line, the second air outlet slit circumferential passageway 9b center line, the 3rd air outlet slit circumferential passageway 9c center line is parallel with the center line of air duct 6 with the 4th air outlet slit circumferential passageway 9d center line and equal to the distance of air duct 6 center lines, the first air outlet slit circumferential passageway 9a wherein, the 3rd air outlet slit circumferential passageway 9c was symmetrically distributed in the horizontal plane both sides of air duct 6 center lines, and the first air outlet slit circumferential passageway 9a center line and the 3rd air outlet slit circumferential passageway 9c center line were positioned at the vertical plane of air duct 6 center lines, the second air outlet slit circumferential passageway 9b, the 4th air outlet slit circumferential passageway 9d were symmetrically distributed in the vertical plane both sides of air duct 6 center lines, and the second air outlet slit circumferential passageway 9b center line and the 4th air outlet slit circumferential passageway 9d center line were positioned at the horizontal plane of air duct 6 center lines, the first air outlet slit circumferential passageway 9a, the second air outlet slit circumferential passageway 9b, the 3rd air outlet slit circumferential passageway 9c, the 4th air outlet slit circumferential passageway 9d are corresponding with the first gas exit circumferential passageway 10a, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d respectively.
As shown in Fig. 1,3, middle part and the inside between the port of export at gas piping 3 arrange respectively overhead gas branch pipe 7a and lower air arm 7b, overhead gas branch pipe 7a most significant end is concordant with the outer wall of gas piping 3 topmosts, overhead gas branch pipe 7a least significant end is concordant with the topmost of gas exit central passage 11, and the center line of overhead gas branch pipe 7a and the center line of gas piping 3 are along flow of gas direction angle at 45 °; Lower air arm 7b least significant end is concordant with the outer wall of gas piping 3 foots, lower air arm 7b most significant end is concordant with the foot of gas exit central passage 11, and the center line of lower air arm 7b and the center line of gas piping 3 are along flow of gas direction angle at 45 °; Overhead gas branch pipe 7a and lower air arm 7b are symmetrical up and down about the center line of gas piping 3; Under certain pressure, it is inner near near position centers that the part air in air duct 6 enters gas piping 3 through overhead gas branch pipe 7a and lower air arm 7b, tentatively mixes with the interior coal gas near the export center place of gas piping 3.
as Fig. 1, shown in 4, at close the first gas exit circumferential passageway 10a of gas piping 3, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d position, four circular air entrance hole 8a that size is identical along the circumferential direction evenly distribute, 8b, 8c, 8d, its Air entrance hole 8a, 8c was symmetrically distributed in the horizontal plane both sides of gas piping 3 center lines and the vertical plane that its center of circle was positioned at gas piping 3 center lines, air entrance hole 8b, 8d was symmetrically distributed in the vertical plane both sides of gas piping 3 center lines and the horizontal plane that its center of circle was positioned at gas piping 3 center lines, under certain pressure, part air in air duct 6 enter in gas piping 3 through air entrance hole 8a, 8b, 8c, 8d, tentatively mix with coal gas before the first gas exit circumferential passageway 10a, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d entrance, air entrance hole 8a, 8b, 8c, 8d and the first gas exit circumferential passageway 10a, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d are corresponding.
As shown in Fig. 1,2,6, the circumferential identical bolt hole 2a of uniform four sizes in edge on gas pipe flange 2; The circumferential identical bolt hole 5a of uniform four sizes in edge on air hose flange 5.
as Fig. 1, 3, 4, shown in 5, under certain pressure, the air in air duct 6 is through overhead gas branch pipe 7a, lower air arm 7b and air entrance hole 8a, 8b, 8c, 8d enters gas piping 3 inside, and tentatively mixes with coal gas in gas piping 3, and mixed coal gas is lighted by ignitor 1, and under certain gas pressure, the coal gas after lighting is respectively through the first gas exit circumferential passageway 10a, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d and gas exit central passage 11 continue to flow, with the first air outlet slit circumferential passageway 9a, the second air outlet slit circumferential passageway 9b, the 3rd air outlet slit circumferential passageway 9c, the 4th air outlet slit circumferential passageway 9d air out mixes again, due to the first air outlet slit circumferential passageway 9a, the second air outlet slit circumferential passageway 9b, the 3rd air outlet slit circumferential passageway 9c, the 4th air outlet slit circumferential passageway 9d and the first gas exit circumferential passageway 10a, the second gas exit circumferential passageway 10b, the 3rd gas exit circumferential passageway 10c, the 4th gas exit circumferential passageway 10d is outlet diameter greater than the truncated cone-shaped of inlet diameter, can guarantee on structure that being the radiation state after air and coal gas flow out with certain pressure disperses, just guaranteed that also air and coal gas interpenetrate again, fully mix, mix with air through twice, gas-fired is more abundant, and the thermal efficiency is higher.
Claims (6)
1. bright cover type annealing stove burner, it is characterized in that it mainly comprises ignitor (1), gas pipe flange (2), gas piping (3), air short tube (4), air hose flange (5), air duct (6), overhead gas branch pipe (7a), lower air arm (7b), air entrance hole (8a, 8b, 8c, 8d), the first air outlet slit circumferential passageway (9a), the second air outlet slit circumferential passageway (9b), the 3rd air outlet slit circumferential passageway (9c), the 4th air outlet slit circumferential passageway (9d), the first gas exit circumferential passageway (10a), the second gas exit circumferential passageway (10b), the 3rd gas exit circumferential passageway (10c), the 4th gas exit circumferential passageway (10d) and gas exit central passage (11), the center line of the center line of gas piping (3) and air duct (6) overlaps, and air duct (6) is enclosed within gas piping (3) outside, the port of export of air duct (6) is the first air outlet slit circumferential passageway (9a), the second air outlet slit circumferential passageway (9b), the 3rd air outlet slit circumferential passageway (9c) and the 4th air outlet slit circumferential passageway (9d), they are identical truncated cone-shaped, and the first air outlet slit circumferential passageway (9a) small end, the second air outlet slit circumferential passageway (9b) small end, the 3rd air outlet slit circumferential passageway (9c) small end, the 4th air outlet slit circumferential passageway (9d) small end are communicated with air duct (6), the port of export of gas piping (3) is five gas exit passages, one of them gas exit passage is columniform gas exit central passage (11), the center line of gas exit central passage (11) overlaps with the center line of gas piping, all the other four gas exit passages are the first gas exit circumferential passageway (10a), the second gas exit circumferential passageway (10b), the 3rd gas exit circumferential passageway (10c), the 4th gas exit circumferential passageway (10d), they are identical truncated cone-shaped, the first gas exit circumferential passageway (10a) small end, the second gas exit circumferential passageway (10b) small end, the 3rd gas exit circumferential passageway (10c) small end, the 4th gas exit circumferential passageway (10d) small end is communicated with gas piping (3), the first gas exit circumferential passageway (10a), the second gas exit circumferential passageway (10b), the 3rd gas exit circumferential passageway (10c), the 4th gas exit circumferential passageway (10d) are corresponding with the first air outlet slit circumferential passageway (9a), the second air outlet slit circumferential passageway (9b), the 3rd air outlet slit circumferential passageway (9c), the 4th air outlet slit circumferential passageway (9d) respectively.
2. bright cover type annealing stove burner as claimed in claim 1, it is characterized in that the first air outlet slit circumferential passageway (9a) axis, the second air outlet slit circumferential passageway (9b) axis, the 3rd air outlet slit circumferential passageway (9c) axis, the 4th air outlet slit circumferential passageway (9d) axis is parallel with the center line of air duct (6) and equal to the distance of air duct (6) center line, wherein the first air outlet slit circumferential passageway (9a) and the 3rd air outlet slit circumferential passageway (9c) were symmetrically distributed in the vertical plane that the horizontal plane both sides of air duct (6) center line and the first air outlet slit circumferential passageway (9a) center line and the 3rd air outlet slit circumferential passageway (9c) center line were positioned at air duct (6) center line, the second air outlet slit circumferential passageway (9b) and the 4th air outlet slit circumferential passageway (9d) were symmetrically distributed in the horizontal plane that the vertical plane both sides of air duct (6) center line and the second air outlet slit circumferential passageway (9b) center line and the 4th air outlet slit circumferential passageway (9d) center line were positioned at air duct (6) center line.
3. bright cover type annealing stove burner as claimed in claim 1, it is characterized in that the first gas exit circumferential passageway (10a) axis, the second gas exit circumferential passageway (10b) axis, the 3rd gas exit circumferential passageway (10c) axis, the 4th gas exit circumferential passageway (10d) axis is parallel with the center line of gas piping (3) and equal to the distance of gas piping (3) center line, wherein the first gas exit circumferential passageway (10a) and the 3rd gas exit circumferential passageway (10c) were symmetrically distributed in the vertical plane that the horizontal plane both sides of gas piping (3) center line and the first gas exit circumferential passageway (10a) center line and the 3rd gas exit circumferential passageway (10c) center line were positioned at gas piping (3) center line, the second gas exit circumferential passageway (10b) and the 4th gas exit circumferential passageway (10d) were symmetrically distributed in the horizontal plane that the vertical plane both sides of gas piping (3) center line and the second gas exit circumferential passageway (10b) center line and the 4th gas exit circumferential passageway (10d) center line were positioned at gas piping (3) center line.
4. bright cover type annealing stove burner as claimed in claim 1, it is characterized in that overhead gas branch pipe (7a) most significant end is concordant with the outer wall of gas piping (3) topmost, overhead gas branch pipe (7a) least significant end is concordant with the topmost of gas exit central passage (11), and overhead gas branch pipe (7a) center line and gas piping (3) center line are along flow of gas direction angle at 45 °.
5. bright cover type annealing stove burner as claimed in claim 1, it is characterized in that lower air arm (7b) most significant end is concordant with gas exit central passage (11) foot, lower air arm (7b) least significant end is concordant with the outer wall of gas piping (3) foot, and lower air arm (7b) center line and gas piping (3) center line are along flow of gas direction angle at 45 °.
6. bright cover type annealing stove burner as described in claim 4 or 5, is characterized in that overhead gas branch pipe (7a) and lower air arm (7b) are symmetrical up and down about the center line of gas piping (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632255 CN203010603U (en) | 2012-11-27 | 2012-11-27 | Burner for bright hood-type annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632255 CN203010603U (en) | 2012-11-27 | 2012-11-27 | Burner for bright hood-type annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203010603U true CN203010603U (en) | 2013-06-19 |
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ID=48602192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632255 Expired - Fee Related CN203010603U (en) | 2012-11-27 | 2012-11-27 | Burner for bright hood-type annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203010603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954468A (en) * | 2012-11-27 | 2013-03-06 | 薛垂义 | Burner for bright hood-type annealing furnace |
-
2012
- 2012-11-27 CN CN 201220632255 patent/CN203010603U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954468A (en) * | 2012-11-27 | 2013-03-06 | 薛垂义 | Burner for bright hood-type annealing furnace |
| CN102954468B (en) * | 2012-11-27 | 2015-04-08 | 薛垂义 | Burner for bright hood-type annealing furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131127 |