CN2195038Y - Oil and steam internal mixed tertiary atomizing proportional control burner nozzle - Google Patents
Oil and steam internal mixed tertiary atomizing proportional control burner nozzle Download PDFInfo
- Publication number
- CN2195038Y CN2195038Y CN 94209206 CN94209206U CN2195038Y CN 2195038 Y CN2195038 Y CN 2195038Y CN 94209206 CN94209206 CN 94209206 CN 94209206 U CN94209206 U CN 94209206U CN 2195038 Y CN2195038 Y CN 2195038Y
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- CN
- China
- Prior art keywords
- ratio
- steam
- proportional
- fuel
- speedup
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- 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.)
- Expired - Fee Related
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- Nozzles For Spraying Of Liquid Fuel (AREA)
Abstract
The utility model belongs to a steam atomizing burner for fuel oil or coal water slurry. The device adopts an internal mixed steam centrifugal atomizer and a ratio regulating mechanism for combustion supporting air quantity with fuel quantity, wherein, the centrifugal atomizer is composed of an acceleration air nozzle and an expanding disk; the acceleration air nozzle and the expanding disk forms an acceleration air duct. The device has the technical proposal that the steam passes through the air in the air duct after double atomization and the oil film is sheared and atomized for the third time. The utility model has the advantages of compact structure, sufficient atomization, large suitable range of fuel, and convenient operation.
Description
The utility model belongs to fuel oil or combusting coal water slurry steam atomization burner.
Chinese patent 93217592.9 disclosed " mechanical vapour atomized fuel burner ", Chinese patent 92244953.8 disclosed " using centrifugal fuel atomization burner " more, it is thinner all to have atomized particle size, advantages of simple structure and simple, but atomized particle size still is not ideal enough.
The purpose of this utility model is exactly comprehensive the two advantage, increases the fuel atomization burner of ratio governor motion again.
The solution that realizes the utility model purpose is to comprise wind cover (10), end cap (12), petroleum pipeline (16), defeated steam pipe (15), particularly also be included in oily vapour internal-mixing steam centrifugal atomizer is housed in the wind cover (10), be provided with expansion dish (3) before it, be with speedup tuyere (4) in the outer ring of expansion dish (3), be fixedly connected with the ratio governor motion in the back of end cap (12); Be with helical blade (29) in speedup tuyere (4) outer ring and connect firmly with wind cover (10).
The ratio governor motion is that the rear end of bearing (27) is connecting firmly ratio adjusting nut (19), ratio Adjusting bolt Adjusting screw (20) is installed in the ratio adjusting nut (19) by screw thread, the rear end of ratio Adjusting bolt Adjusting screw (20) and handwheel (22) connect firmly, on handwheel (22), be fixedly connected with pinboard (26), fuel metering pin (17) passes at the centre bore of ratio Adjusting bolt Adjusting screw (20), the front portion of fuel metering pin (17) is equipped with by screw thread and transfers whelk mother (18), the rear end is equipped with ratio by key and sets scale (25), sets on the scale (25) in ratio and is provided with plug housing (24) and latch (23); Transferring whelk mother (18) front end to be fixedly connected with fuel tap body (14), the front end of fuel tap body (14) is fixedly connected with oil pipe (9), steam jacket (8), is outside equipped with speedup tuyere (4) at steam jacket (8); Being fixedly connected with calibration loop (21) on the handwheel (22) is enclosed within outside the ratio adjusting nut (19) simultaneously.
Speedup tuyere (4) constitutes combustion-supporting air channel with wind cover (10).
Oil vapour internal-mixing steam centrifugal atomizer is made up of eddy flow (5), rotary fluid (7), seat ring (6) and oil pipe (9), steam jacket (8).
The utility model has the advantages that and behind the internal-mixing steam centrifugal atomizer secondary-atomizing at center, carried out a low-pressure air atomizing again.Atomizing fully, be suitable for that fuel range is big, power consumption less, easy to use.
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is the A-A profile stretch-out view of Fig. 1.
Internal-mixing steam centrifugal atomizer is that rotary fluid (7) and the seat ring (6) that is press-fitted on it are formed a cyclone, oil pipe (9) is equipped with in the rear end of cyclone, cyclone is installed in eddy flow (5), and eddy flow (5) uses thread connection on steam jacket (8).On the outer garden of rotary fluid (7) thread groove is arranged, the centre is that one of cavity blocks, one and oil pipe (9) UNICOM head, helicla flute at least two statures on rotary fluid (7), and the normal section is a rectangle, the helicla flute of rotary fluid (7) is divided into two parts, helicla flute near steam jacket (8) is the little steam hole in normal section (30), another part is that the bigger mixing chamber in normal section (29) has oilhole (31) in the place of the close steam hole of mixing chamber (29), this oilhole (31) is opened sideling, in the cavity that leads to conveyor screw (7), connect with oil pipe (9).Seal all is equipped with in connection place at seat ring (6) and eddy flow (5) and rotary fluid (7) and oil pipe (9).
In internal-mixing steam centrifugal atomizer front, just at the front end of eddy flow (5) the expansion dish (3) that spinning, the outside suit of expansion dish (3) speedup tuyere (4), the front end of speedup tuyere (4) is bearing in the center of the helical blade (32) of wind cover (10), its rear end is bearing in the hole of end cap (12), and seal by sealing ring (11), speedup tuyere (4) slides before and after can be in wind cover (10).The rear end and the fuel tap body (14) of oil pipe (9), steam jacket (8), speedup tuyere (4) are affixed, and seal with sealing ring (28), and fuel tap body (14) bottom is installed with defeated steam pipe (15), petroleum pipeline (16).The center equipped amount spindle (17) of fuel tap body (14), the rear portion of fuel tap body (14) are installed with transfers whelk mother (18), and fuel metering pin (17) spinning is on the screw thread of transferring the whelk mother.The front end flange of bearing (27) connects firmly on end cap (12), the rear end is connecting firmly ratio adjusting nut (19), outer surface at ratio adjusting nut (19) has the index of adjusting groove, and calibration loop (21), pinboard (26), ratio Adjusting bolt Adjusting screw (20) are fixedly connected with handwheel (22).Ratio Adjusting bolt Adjusting screw (20) is installed in the ratio adjusting nut (19), fuel metering pin (17) passes at the centre bore of ratio Adjusting bolt Adjusting screw (20) and sets scale (25) with ratio and pass through key connecting, ratio is set on the scale (25) and is being connected firmly plug housing (24), and latch (23) is housed in the plug housing (24).There is spiral stream guidance blade (32) wind cover (10) inside, and the front end of wind cover (10) is connecting firmly sliding sleeve (2), is overlapping firestopping sheath (1) on the sliding sleeve (2).
Wind cover (10) links by flange and low pressure wind regime, defeated steam pipe (15) links with vapour source, petroleum pipeline (16) links with the low pressure oil sources, low-pressure air enters wind cover (10) from flange port, be divided into two-way, one road low-pressure air speedup runner of forming from expansion dish (3) and speedup tuyere (4) sprays, the one road rotation distinguished and admirable road ejection from wind cover (10) and speedup tuyere (4) composition.Steam enters steam jacket (8) thread groove on the garden through rotary fluid (7) outside by defeated steam pipe (15) and sprays from the centre bore of eddy flow (5).Fuel enters fuel tap body (14) by petroleum pipeline (16), through oil pipe (9) by the oilhole (31) of rotary fluid (7) enter mixing chamber (29) this with by steam hole (30) vapor mixing and the emulsification of ejection at a high speed, fuel oil is atomized by high velocity vapor stream for the first time in mixing chamber (29) exit, under action of centrifugal force, the droplet that the part particle diameter is bigger is separated again, accumulate in eddy flow (5) surface of internal cavity and form oil whirl, and flow to the centre bore of eddy flow (5) head, atomized for the second time by vapor stream at the centre bore edge by the ejection of centre bore high speed, the droplet that particle diameter is bigger in the mist torch is thrown on the garden conical surface of expansion dish (3) under action of centrifugal force, along the expansion of this garden conical surface and dish out, at the edge of expansion dish (3) because the distinguished and admirable effect that the low-pressure air speedup flows out and atomizing for the third time.After fully atomizing fuel, three times above-mentioned atomizings of process add combustion air in proportion to guarantee the abundant burning of fuel by the distinguished and admirable road of rotation.Mention latch (23) and rotation ratio and set the cooperation ratio that scale (25) can change fuel oil and combustion air, latch (23) back proportionate relationship had both immobilized under inserting, and handwheel (22) is used for adjusting oil, air quantity delivered.
The utility model is applicable to the heating furnace that uses water-coal-slurry and various fuel oil, and tempering furnace steams the road kiln, and the sprayer unit that industrial furnaces such as heat-treatment furnace and boiler also can be used as various solution and underflow liquid uses.Can replace steam with compressed air.
Claims (7)
1, three atomizings of a kind of oily vapour internal-mixing proportional burner, comprise wind cover (10), end cap (12), petroleum pipeline (16), defeated steam pipe (15), it is characterized in that also being included in oily vapour internal-mixing steam centrifugal atomizer is housed in the wind cover (10), be provided with expansion dish (3) before it, be with speedup tuyere (4) in the outer ring of expansion dish (3), be fixedly connected with the ratio governor motion in the back of end cap (12).
2,, it is characterized in that being with helical blade (29) and connect firmly with wind cover (10) in speedup tuyere (4) outer ring according to the said proportional burner of claim 1.
3, according to the said proportional burner of claim 1, it is characterized in that said ratio governor motion is that the rear end of bearing (27) is connecting firmly ratio adjusting nut (19), ratio Adjusting bolt Adjusting screw (20) is installed in the ratio adjusting nut (19) by screw thread, the rear end of ratio Adjusting bolt Adjusting screw (20) and handwheel (22) connect firmly, on handwheel (22), be fixedly connected with pinboard (26), fuel metering pin (17) passes at the centre bore of ratio Adjusting bolt Adjusting screw (20), the front portion of fuel metering pin (17) is equipped with by screw thread and transfers whelk mother (18), the rear end is equipped with ratio by key and sets scale (25), sets on the scale (25) in ratio and is provided with plug housing (24) and latch (23).
4, according to claim 1 or 3 said proportional burners, it is characterized in that transferring whelk mother (18) front end to be fixedly connected with fuel tap body (14), the front end of fuel tap body (14) is fixedly connected with oil pipe (9), steam jacket (8), is outside equipped with speedup tuyere (4) at steam jacket (8).
5, according to claim 1 or 3 said proportional burners, it is characterized in that on handwheel (22), being fixedly connected with calibration loop (21), be enclosed within simultaneously outside the ratio adjusting nut (19).
6,, it is characterized in that speedup tuyere (4) and wind cover (10) constitute combustion-supporting air channel according to claim 1 or 2 said proportional burners.
7, according to the said proportional burner of claim 1, it is characterized in that oily vapour internal-mixing steam centrifugal atomizer, form by eddy flow (5), rotary fluid (7), seat ring (6) and oil pipe (9), steam jacket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94209206 CN2195038Y (en) | 1994-04-15 | 1994-04-15 | Oil and steam internal mixed tertiary atomizing proportional control burner nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94209206 CN2195038Y (en) | 1994-04-15 | 1994-04-15 | Oil and steam internal mixed tertiary atomizing proportional control burner nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2195038Y true CN2195038Y (en) | 1995-04-19 |
Family
ID=33826967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94209206 Expired - Fee Related CN2195038Y (en) | 1994-04-15 | 1994-04-15 | Oil and steam internal mixed tertiary atomizing proportional control burner nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2195038Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101206029B (en) * | 2006-12-21 | 2010-12-08 | 中国科学院工程热物理研究所 | Nozzle for minisize gas-turbine combustor |
| CN108772614A (en) * | 2018-05-22 | 2018-11-09 | 徐州工程学院 | A kind of residents in rural community processing equipment with oxygen dispersion mouth |
-
1994
- 1994-04-15 CN CN 94209206 patent/CN2195038Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101206029B (en) * | 2006-12-21 | 2010-12-08 | 中国科学院工程热物理研究所 | Nozzle for minisize gas-turbine combustor |
| CN108772614A (en) * | 2018-05-22 | 2018-11-09 | 徐州工程学院 | A kind of residents in rural community processing equipment with oxygen dispersion mouth |
| CN108772614B (en) * | 2018-05-22 | 2020-11-20 | 徐州工程学院 | Rural domestic waste treatment equipment with oxygen dispersion mouth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |