CN2030285U - Counterflow burner for industrial furnace - Google Patents
Counterflow burner for industrial furnace Download PDFInfo
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- CN2030285U CN2030285U CN 88212473 CN88212473U CN2030285U CN 2030285 U CN2030285 U CN 2030285U CN 88212473 CN88212473 CN 88212473 CN 88212473 U CN88212473 U CN 88212473U CN 2030285 U CN2030285 U CN 2030285U
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- air inlet
- inner liner
- burner inner
- industrial furnace
- conically shaped
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Abstract
The utility model relates to a counterflow burner for the industrial furnace, comprising an outer shell (1), a flame tube (2) with an end plate (9), and a ring baffle (6). The tube body of the flame tube (2) is provided with the air inlet holes, the air inlet slots and or the air inlet annular spaces, and part of the air inlet holes, the air inlet slots and or the air inlet annular spaces is in reversely slantwise arrangement. The slantwise angle beta is 45 DEG to 90 DEG, and the opening angle alpha is 30 DEG to 60 DEG. The area of the part of the air inlet holes, the air inlet slots and or the air inlet annular spaces is 30% to 60% of the total area of the air inlet holes, the air inlet slots and or the air inlet annular spaces arranged on the entire flame tube 2. The combustion-supporting air is guided from the air inlet passages, which has more than two-dimension velocity component, particularly the velocity component which has the different flaming direction is provided, and thus the quality of the heat engineering of the combustor is improved.
Description
The utility model relates to a kind of used for industrial furnace counter-flow combustor, and it belongs to the burner class of drop or the direct spirt of evaporated liquid combustion space.
The present utility model people once proposed patent application with regard to the continuous flame oil burner of a kind of used for industrial furnace on November 9th, 1987, and application number is 87204751.Accompanying drawing 1 is its structural representation; Accompanying drawing 2 is accompanying drawing 1A-A cutaway views.As seen from the figure, this continuous flame oil burner has a shell 1, a burner inner liner 2 and an air inlet bucket 3, described air inlet bucket 3 is welded on the shell 1, the flame end of described burner inner liner 2 is welded with ring baffle 6, the bottom is welded with end plate 9, has some radial air inlets hole 4 and some oblique air inlet ducts 5 on the stack shell of burner inner liner 2, has fire hole 8 and fuel injection nozzle installing hole 7 of two symmetries on the end plate 9.The oblique angle β of aforesaid oblique air inlet duct 5 is 45～90 °, and angular aperture α is 15～60 °, and the area of aforesaid oblique air inlet duct 5 be on whole burner inner liner 2 stack shells the pore that drives into or groove area 30～60%.The burner of this form is owing to the air capacity that sprays into from oblique air inlet duct 5 is more, and the air that sprays into has the more axial component consistent with the flame direction, therefore fuel oil is shorter in the time of staying of burner inner liner 2 gasification section, make that fuel oil and combustion air are difficult to be mixed fully and preheating, thereby influenced thermal technology's quality of burner.
The purpose of this utility model is to provide a kind of used for industrial furnace counter-flow combustor, and it can overcome the above-mentioned deficiency of prior art.
A kind of used for industrial furnace counter-flow combustor of the present utility model contains the burner inner liner 2 and the ring baffle 6 of shell 1, band edge plate 9, is welded with air inlet bucket 3 on the described shell 1; Have air admission hole, air inlet duct and/or air inlet annular space on the stack shell of described burner inner liner 2, and have fuel injection nozzle installing hole 7 and fire hole 8 on the end plate 9 of burner inner liner 2, main points of the present utility model be air admission hole, air inlet duct and/or the air inlet annular space opened on the stack shell of aforesaid burner inner liner 2 some for being contrary oblique setting, oblique angle β is 45～90 °, and angular aperture α is 30～60 ° contrary oblique flow air inlet annular space and/or contrary oblique flow air admission hole, groove.So, combustion air from contrary oblique flow air admission hole, groove and/or contrary oblique flow air inlet annular space importing, have axial component and the radial component opposite with the flame direction, when oblique angle β is not equal to 90 °, also has tangential component, therefore the admixture of fuel oil and combustion air than prior art for well, the backflow of flame has obtained reinforcement in the burner inner liner 2, prolonged the time of staying of fuel oil in burner inner liner 2 gasification section, final result has improved thermal technology's quality of burner, has improved the temperature of flame.Test shows, the area of aforesaid contrary oblique flow air admission hole, groove and/or contrary oblique flow air inlet annular space is the pore that drives into, groove and/or air inlet annular space area sum on the whole burner inner liner 2 30～60% o'clock, best results.
Accompanying drawing 3 is the utility model embodiment 1 structural representations;
Accompanying drawing 4 is the utility model embodiment 2 structural representations;
Accompanying drawing 5 is the utility model embodiment 3 structural representations;
Accompanying drawing 6 is the utility model embodiment 4 structural representations;
Accompanying drawing 7 is accompanying drawing 6A-A cutaway views;
Accompanying drawing 8 is accompanying drawing 6B-B cutaway views.
The utility model is described in further detail below with reference to embodiment and accompanying drawing thereof:
Embodiment 1:
As shown in Figure 3, a kind of used for industrial furnace counter-flow combustor of present embodiment contains the burner inner liner 2 of shell 1, ring baffle 6 and band edge plate 9.Be welded with air inlet bucket 3 on the shell 1, have fuel injection nozzle installing hole 7 and fire hole 8 on the end plate 9, the stack shell of burner inner liner 2 is a straight cylinder shape, front end is connected to ring baffle 6, the straight cylinder of described burner inner liner 2 also has some radial air inlets hole 4 and some contrary oblique flow air inlet ducts 5 on one's body, the oblique angle β of described contrary oblique flow air inlet duct 5 is 90 °, and angular aperture α is 45 °, and the area of described contrary oblique flow air inlet duct 5 is the institute radial air inlet hole 4 of opening and against 55% of oblique flow air inlet duct 5 area sums on the whole burner inner liner 2.This used for industrial furnace counter-flow combustor of present embodiment is equipped with blower fan, the 10kg/mm of 250～500mm water column
2Oil pump, the blower fan air feed, oil pump feed, the igniting, burner can spray 1～5 meter long vehement white flame, temperature can reach more than 1350 ℃, the burner of present embodiment can burn light oil, natural gas and heavy oil.
Embodiment 2:
As shown in Figure 4, a kind of used for industrial furnace counter-flow combustor of present embodiment contains shell 1, the burner inner liner 2 of ring baffle 6 and band edge plate 9, in the present embodiment, the air inlet bucket 3 of burner is welded in the flame end place of shell 1, and the benefit of two aspects is arranged like this, and the one, the high-temperature region of burner inner liner 2 is flame ends of burner inner liner 2, air inlet bucket 3 is set on the shell corresponding with it 1, helps the cooling of burner inner liner 2 high-temperature regions; The 2nd, such setting can be strengthened the preheating of combustion air, helps the gasification of fuel oil and improves flame temperature.The stack shell of the burner inner liner 2 of present embodiment is made up of the cylindrical section of two different-diameters, be positioned on the roundlet tube 10 of flame end and have some radial air inlets hole 4, be positioned at and have some radial air inlets hole 4 and some contrary oblique flow air inlet ducts 5 on the large cylinder 11 of fuel injection nozzle end, the oblique angle β of described contrary oblique flow air inlet duct 5 is 90 °, angular aperture α is 35 °, and the area of described contrary oblique flow air inlet duct 5 be on the whole burner inner liner 2 pore that drives into, air inlet duct area sum 40%.On the end plate 9 of burner inner liner 2,, also have fuel injection nozzle installing hole 7 and fire hole 8,, on the connecting portion 14 of large cylinder 11 and roundlet tube 10, also can offer some oblique holes 15 in order to strengthen the flow-disturbing in the large cylinder 11 with embodiment 1.But the blower fan of adapted 250～500mm water column when the burner of present embodiment uses, 2～10kg/mm
2Oil pump, incendivity heavy oil, light oil, oil emulsion and residual oil etc., when combusting heavy oil, residual oil, the fuel-firing preheating container 12 of an annular also can be set at burner flame end, utilize waste heat to come heated fuel oil, can also center on the fuel-firing preheating container 13 that fuel injection nozzle is provided with an annular on end plate 9, the benefit that fuel-firing preheating container 13 is set around fuel injection nozzle is to make the operating temperature of fuel injection nozzle constant about 150 ℃.
Embodiment 3:
As shown in Figure 5, a kind of used for industrial furnace counter-flow combustor of present embodiment contains shell 1, the burner inner liner 2 of ring baffle 6 and band edge plate 9, air inlet bucket 3 is welded on the shell 1 at flame end place of burner, what the stack shell of burner inner liner 2 was connected with end plate 9 is straight cylinder 16, what be positioned at the flame end is conically shaped 17, the nearly fuel injection nozzle end band deflection cone 18 of described conically shaped 17,17 of described straight cylinder 16 and conically shapeds can be provided with some front and back tube diameter and differ about two wall thickness, nearly fuel injection nozzle end separately all has the cylindrical section 19 of deflection cone 18, in the present embodiment, described cylindrical section 19 is provided with two joints, on aforesaid each section, hold radial air inlet hole 4 successfully, then they are left successively annular space ground suit, promptly constitute the stack shell of the burner inner liner 2 of present embodiment, fixing of aforesaid cylindrical section 19 can be realized by some supports 22.The end plate 9 of burner inner liner 2 in the present embodiment, except that having fuel injection nozzle installing hole 7 and fire hole 8, also have a taper kuppe 20, have air admission hole 21 on the described taper kuppe 20, the angular aperture α of the contrary oblique flow air inlet annular space 5 that forms because of suit on the stack shell of burner inner liner 2 is 55 °, oblique angle β is 90 ° because of deflection cone 18 and burner inner liner 2 are coaxial, and the area of whole contrary oblique flow air inlet annular space 5 is the pore that drives into 4 on the whole burner inner liner 2, air admission hole 21 and against 30% of oblique flow air inlet annular space 5 area sums.For the preheating of strengthening combustion air and make burner inner liner 2 ambient air pressure field equilibriums, can a radome 23 be set at conically shaped 17 places of burner inner liner 2, described radome 23 can be that a taper angle is consistent with conically shaped 17, but than the big conically shaped of conically shaped 17, its with conically shaped 17 coaxial assemblings after, form an annular space passage 25 each other, the air that infeeds from air inlet bucket 3, during through described annular space passage 25,, help to improve thermal technology's quality of burner like this by voltage stabilizing and preheating.The burner of present embodiment, but adapted 8～10kg/mm
2Oil pump, the blower fan of 400～800mm water column is particularly suitable for heavy oil combustion and residual oil.
Embodiment 4:
As shown in Figure 6, a kind of used for industrial furnace counter-flow combustor of present embodiment, the burner inner liner 2 and the ring baffle 6 that contain shell 1, band edge plate 9, the nearly flame end place of described shell 1 is welded with air inlet bucket 3, the stack shell of described burner inner liner 2, and nearly flame end is a conically shaped 17, nearly fuel injection nozzle end is a straight cylinder 11, the end plate 9 of burner inner liner 2 is a sandwich plate, equally has fuel injection nozzle installing hole 7 and fire hole 8 with other embodiment, also has some air admission holes 21 on the panel 24 of end plate 9.Aforesaid conically shaped 17 has some radial air inlets hole 4, on the straight cylinder 11 except that having some radial air inlets hole 4, also have some contrary oblique flow air admission holes 5 and/or contrary oblique flow air inlet duct 5, the oblique angle β of described contrary oblique flow air admission hole, groove 5 is 60 °, and angular aperture α is 30 ° shown in accompanying drawing 7, accompanying drawing 8 like that.The area of described in addition contrary oblique flow air admission hole, groove 5 is 60% of the radial air inlet hole 4 of opening on the whole burner inner liner 2, contrary oblique flow air admission hole, groove 5 and air admission hole 21 area sums.The burner of present embodiment, the oblique angle β of contrary oblique flow air admission hole, groove 5 is not equal to 90 °, so from the combustion air of these contrary oblique flow air admission holes, groove 5 importings, the velocity component with three directions, the mixed effect of oil gas is better, and burner can be suitable for various fuel oil, gas.But adapted 10kg/mm during use
2Oil pump, the blower fan of 250～500mm water column.
Claims (9)
1, a kind of used for industrial furnace counter-flow combustor, contain shell 1, the burner inner liner 2 of band edge plate 9 and ring baffle 3, be welded with air inlet bucket 3 on the described shell 1, have air admission hole on the stack shell of described burner inner liner 2, air inlet duct and/or air inlet annular space, and have fuel injection nozzle installing hole 7 and fire hole 8 on the end plate 9 of burner inner liner 2, it is characterized in that the air admission hole opened on the stack shell of burner inner liner 2, some is contrary oblique setting air inlet duct and/or air inlet annular space, and oblique angle β is 45～90 °, angular aperture α is 30～60 °, and these are the contrary oblique flow air admission hole of contrary oblique setting simultaneously, the area of groove and/or air inlet annular space is by being driven into pore on the whole burner inner liner 2,30～60% of air inlet duct and/or air inlet annular space area sum.
2,, it is characterized in that described air inlet bucket 3 is welded in shell 1 place of burner flame end according to the described a kind of used for industrial furnace counter-flow combustor of claim 1.
3, according to the described a kind of used for industrial furnace counter-flow combustor of claim 1, the stack shell that it is characterized in that described burner inner liner 2 is a straight cylinder shape.
4, according to the described a kind of used for industrial furnace counter-flow combustor of claim 2, the stack shell that it is characterized in that described burner inner liner 2 is made up of two different cylindrical sections of diameter, be positioned on the roundlet tube 10 of flame end and have some radial air inlets hole 4, be positioned on the large cylinder 11 of fuel injection nozzle end and have some radial air inlets hole 4 and some contrary oblique flow air inlet ducts 5.
5,, it is characterized in that the connecting portion of 10 in described large cylinder 11 and roundlet tube has oblique hole 15 according to the described a kind of used for industrial furnace counter-flow combustor of claim 4.
6, according to claim 1 or 2 described a kind of used for industrial furnace counter-flow combustors, the fuel-firing preheating container 12 that the ring baffle 6 that it is characterized in that burner flame end is provided with an annular with and/or the end plate 9 of burner inner liner 2 on be provided with the fuel-firing preheating container 13 of an annular around fuel injection nozzle.
7, according to the described a kind of used for industrial furnace counter-flow combustor of claim 2, the stack shell flame end that it is characterized in that described burner inner liner 2 is the conically shaped 17 of a band deflection cone 18, what the fuel injection nozzle end was connected with end plate 9 is straight cylinder 16,16 of described conically shaped 17 and straight cylinders are provided with some front and back tube diameter and differ about two wall thickness, the fuel injection nozzle end that leans on separately has the cylindrical section 19 of deflection cone 18, the stack shell of described burner inner liner 2 leaves annular space ground coaxial package by aforementioned each section and constitutes, and the end plate 9 of burner inner liner 2 is with a taper kuppe 20, has air admission hole 21 above the described taper kuppe 20.
8, according to the described a kind of used for industrial furnace counter-flow combustor of claim 2, the flame end that it is characterized in that described burner inner liner 2 stack shells is a conically shaped 17, the fuel injection nozzle end is a straight cylinder 11, and the end plate 9 of described burner inner liner 2 is sandwich plate, has air admission hole 21 on its panel 24.
9, according to claim 7 or 8 described a kind of used for industrial furnace counter-flow combustors, conically shaped 17 places that it is characterized in that the stack shell of described burner inner liner 2 are provided with a radome 23, described radome 23 is that a taper angle is the same with conically shaped 17 taper angles, but than the big conically shaped of conically shaped 17, itself and conically shaped 17 coaxial assemblings form annular space passage 25 each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88212473 CN2030285U (en) | 1988-04-22 | 1988-04-22 | Counterflow burner for industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88212473 CN2030285U (en) | 1988-04-22 | 1988-04-22 | Counterflow burner for industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2030285U true CN2030285U (en) | 1989-01-04 |
Family
ID=4845768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88212473 Withdrawn CN2030285U (en) | 1988-04-22 | 1988-04-22 | Counterflow burner for industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2030285U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994424A (en) * | 2014-04-17 | 2014-08-20 | 洪序明 | Compression combustion furnace |
| CN104005853A (en) * | 2014-05-26 | 2014-08-27 | 哈尔滨东安发动机（集团）有限公司 | Ignition device for aircraft engine ground test |
| CN106180578A (en) * | 2016-08-30 | 2016-12-07 | 四川中科玻璃有限公司 | Open type mould drying device |
| US9561394B2 (en) | 2014-01-24 | 2017-02-07 | Jiajia Chen | Fitness equipment spring counterweights balancer |
| CN111351057A (en) * | 2018-12-21 | 2020-06-30 | 中国石油天然气股份有限公司 | Injection type burning furnace |
-
1988
- 1988-04-22 CN CN 88212473 patent/CN2030285U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9561394B2 (en) | 2014-01-24 | 2017-02-07 | Jiajia Chen | Fitness equipment spring counterweights balancer |
| CN103994424A (en) * | 2014-04-17 | 2014-08-20 | 洪序明 | Compression combustion furnace |
| CN103994424B (en) * | 2014-04-17 | 2016-05-18 | 洪序明 | Compression combustion furnace |
| CN104005853A (en) * | 2014-05-26 | 2014-08-27 | 哈尔滨东安发动机（集团）有限公司 | Ignition device for aircraft engine ground test |
| CN106180578A (en) * | 2016-08-30 | 2016-12-07 | 四川中科玻璃有限公司 | Open type mould drying device |
| CN111351057A (en) * | 2018-12-21 | 2020-06-30 | 中国石油天然气股份有限公司 | Injection type burning furnace |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |