CN201059556Y - Rotational flow second atomized oil spray nozzle - Google Patents
Rotational flow second atomized oil spray nozzle Download PDFInfo
- Publication number
- CN201059556Y CN201059556Y CNU2007200206989U CN200720020698U CN201059556Y CN 201059556 Y CN201059556 Y CN 201059556Y CN U2007200206989 U CNU2007200206989 U CN U2007200206989U CN 200720020698 U CN200720020698 U CN 200720020698U CN 201059556 Y CN201059556 Y CN 201059556Y
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- China
- Prior art keywords
- nozzle
- inlet pipe
- oil
- chamber
- atomizing
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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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Abstract
The utility model discloses a turbulent flow second atomization oil nozzle. An oil inlet pipe, a steam inlet pipe, a primary atomization cavity, an expanding cavity and a second atomization cavity are arranged in the nozzle of the utility model, the oil inlet pipe and the steam inlet pipe are respectively communicated with the primary atomization cavity, the expanding cavity is communicated with the primary atomization cavity and the second atomization cavity, an oil spray hole is arranged outside the second atomization cavity. The utility model can allow the oil and the atomized medium (steam) to be fully mixed, allow the atomization degree of the fuel to be improved, improve the size distribution index of the atomized oil, ensure that the fuel is fully burnt during the combustion, greatly decrease the oil consumption, has excellent atomization performance, small oil-drop atomization diameter, low nozzle pressure drop, a small quantity of atomized steam, big operation elasticity, convenient operation, a simple structure and convenient processing, and can be applicable to various industrial furnaces such as pipe heating furnaces, decomposing furnaces, pyrolysis furnaces in petrochemical industry and chemical industry as well as boilers in power stations and so on.
Description
(1) technical field
The utility model relates to a kind of parts of combustion apparatus, particularly a kind of eddy flow secondary-atomizing oil burner nozzle.
(2) background technology
Existing industrial furnace, its combustion apparatus all adopt nozzle (or claiming shower nozzle, atomizer, spray gun).Be applicable to that at present the nozzle that uses various fuel is of a great variety, fuel oil well can't be atomized that burning is also incomplete, waste fuel, and caused over-emitting black exhaust, polluted environment, even make nozzle blocked or cause coking in the burner hearth, can not normally use and move.
(3) summary of the invention
The technical problems to be solved in the utility model is: a kind of eddy flow secondary-atomizing oil burner nozzle is provided, make it overcome above-mentioned shortcoming, make that oil and atomizing medium---vapor mixing is even, the fogging degree of fuel oil is improved, improve the Size Distribution index of fogging oil simultaneously, make fuel oil completing combustion in the process of burning, reduce oil consumption greatly.
In order to solve the problems of the technologies described above, be provided with oil inlet pipe, steam inlet pipe, primary atomization chamber, expansion cavity and secondary-atomizing chamber in the utility model nozzle, oil inlet pipe, steam inlet pipe are communicated with the primary atomization chamber respectively, expansion cavity is communicated with primary atomization chamber and secondary-atomizing chamber, and the outside, secondary-atomizing chamber is provided with nozzle opening.
Oily vapour mixes in order to improve, fogging degree, described oil inlet pipe is connected with the primary atomization chamber by its little fuel feed hole of sectional area ratio, described steam inlet pipe is connected with the primary atomization chamber by its little admission opening of sectional area ratio, and admission opening and fuel feed hole have certain angle.
In order to make it simple in structure, be convenient to processing and operation, described nozzle comprises nozzle core, nozzle body and nozzle head, the nozzle body inner chamber is a shoulder hole, nozzle core is inserted in the big nose end of nozzle body, the small bore end of nozzle body is inserted in the rear portion of nozzle head, the inner chamber of nozzle core is the hole of ganging up that does not wait in three sections cross sections, form described oil inlet pipe successively, fuel feed hole and primary atomization chamber, described admission opening is located in the tube wall of nozzle core, nozzle core, cavity between nozzle body is described steam inlet pipe, the inner chamber of nozzle head is described secondary-atomizing chamber, and described nozzle opening is in the front portion of nozzle head.
In order to improve atomization, described primary atomization chamber, expansion cavity and secondary-atomizing chamber sectional area increase successively.
The beneficial effects of the utility model are: the utility model can make that oil and atomizing medium---vapor mixing is even, and the fogging degree of fuel oil is improved, and improves the Size Distribution index of fogging oil simultaneously, makes fuel oil completing combustion in the process of burning, reduces oil consumption greatly.Atomization is superior, and oil droplet atomizing diameter is little, and injection drop is low, and the atomizing steam consumption is few, operating flexibility is big, and is easy to operate, and simple in structure, be convenient to processing, go for various industrial furnaces, as tubular heater, dore furnace, pyrolysis furnace and the station boiler etc. of petrochemical industry, chemical industry.
(4) description of drawings
Fig. 1 is the utility model structural representation;
Among the figure: 1, oil inlet pipe, 2, nozzle core, 3, nozzle body, 4, steam inlet pipe, 5, fuel feed hole, 6, admission opening, 7, the primary atomization chamber, 8, expansion cavity, 9, nozzle head, 10, the secondary-atomizing chamber, 11, nozzle opening.
(5) specific embodiment
A kind of specific embodiment as shown in Figure 1, it comprises nozzle core 2, nozzle body 3 and nozzle head 9.Nozzle body 3 two ends are cylinders that radius does not wait, and the middle part is taper, and the inner chamber of nozzle body 3 is the circular hole of ladder; Nozzle core 2 left parts are a cylinder, right part is a cone, and the inner chamber of nozzle core 2 is the hole of ganging up that does not wait in three sections cross sections, forms oil inlet pipe 1, fuel feed hole 5 and primary atomization chamber 7 successively, oil inlet pipe 1 is in the cylinder end of nozzle core 2, and the admission opening 6 of a plurality of inclinations is arranged on the tube wall in primary atomization chamber 7; The inner chamber of nozzle head 9 is secondary-atomizing chamber 10, and there are a plurality of nozzle openings 11 that are communicated with the secondary-atomizing chamber front portion of nozzle head 9.
Nozzle core 2 is inserted in nozzle body 3 big nose ends, the small bore end of nozzle body 3 is inserted in the rear portion of nozzle head 9, the cavity that nozzle core 2, nozzle body are 3 forms steam inlet pipe 4, steam inlet pipe 4 is communicated with primary atomization chamber 7 by admission opening 6, the aperture of nozzle body 3 inner chambers forms expansion cavity 8, and expansion cavity 8 is communicated with primary atomization chamber 7 and secondary-atomizing chamber 10.Primary atomization chamber 7, expansion cavity 8 and secondary-atomizing chamber 10 sectional areas increase successively.
Oil enters primary atomization chamber 7 through oil inlet pipe 1, fuel feed hole 5, steam enters admission opening 6 by steam inlet pipe 4, enter primary atomization chamber 7 again, oil mixes therein mutually with atomizing steam, extruding, explosion, the realization primary atomization, enter expansion cavity 8 then, further mist of oil is changed into tiny mist of oil, enter secondary-atomizing chamber 10 at last, constantly shear at this oily vapour mixture, DIFFUSION IN TURBULENCE and reinforcement convection current, be atomized into littler mist of oil, outwards spray by nozzle opening 11.
Claims (4)
1. eddy flow secondary-atomizing oil burner nozzle, it is characterized in that: be provided with oil inlet pipe (1), steam inlet pipe (4), primary atomization chamber (7), expansion cavity (8) and secondary-atomizing chamber (10) in the nozzle, oil inlet pipe (1), steam inlet pipe (4) are communicated with primary atomization chamber (7) respectively, expansion cavity (8) is communicated with primary atomization chamber (7) and secondary-atomizing chamber (10), and secondary-atomizing chamber (10) outside is provided with nozzle opening (11).
2. eddy flow secondary-atomizing oil burner nozzle according to claim 1, it is characterized in that: oil inlet pipe (1) is connected with primary atomization chamber (7) by its little fuel feed hole (5) of sectional area ratio, steam inlet pipe (4) is connected with primary atomization chamber (7) by its little admission opening (6) of sectional area ratio, and admission opening (6) has certain angle with fuel feed hole (5).
3. eddy flow secondary-atomizing oil burner nozzle according to claim 2, it is characterized in that: described nozzle comprises nozzle core (2), nozzle body (3) and nozzle head (9), nozzle body (3) inner chamber is a shoulder hole, nozzle core (2) is inserted in the big nose end of nozzle body (3), the small bore end of nozzle body (3) is inserted in the rear portion of nozzle head (9), the inner chamber of nozzle core (2) is the hole of ganging up that does not wait in three sections cross sections, form described oil inlet pipe (1) successively, fuel feed hole (5) and primary atomization chamber (7), described admission opening (6) is located in the tube wall of nozzle core, nozzle core (2), cavity between nozzle body (3) is described steam inlet pipe (4), the inner chamber of nozzle head (9) is described secondary-atomizing chamber (10), and described nozzle opening (11) is in the front portion of nozzle head (9).
4. according to claim 1,2 or 3 described eddy flow secondary-atomizing oil burner nozzles, it is characterized in that: described primary atomization chamber (7), expansion cavity (8) and secondary-atomizing chamber (10) sectional area increase successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200206989U CN201059556Y (en) | 2007-04-29 | 2007-04-29 | Rotational flow second atomized oil spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200206989U CN201059556Y (en) | 2007-04-29 | 2007-04-29 | Rotational flow second atomized oil spray nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201059556Y true CN201059556Y (en) | 2008-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200206989U Expired - Fee Related CN201059556Y (en) | 2007-04-29 | 2007-04-29 | Rotational flow second atomized oil spray nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201059556Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908738A (en) * | 2012-09-26 | 2013-02-06 | 四川威特龙消防设备有限公司 | Two-phase flow superfine water mist nozzle |
| CN103316793A (en) * | 2013-06-19 | 2013-09-25 | 安徽艾可蓝节能环保科技有限公司 | Air-assist atomizing nozzle |
| CN101992160B (en) * | 2009-08-27 | 2014-11-05 | 斯普瑞喷雾系统(上海)有限公司 | Two-fluid nozzle device with large adjustment ratio and large adjustment ratio method thereof |
| CN104801052A (en) * | 2015-04-28 | 2015-07-29 | 陈国良 | High-efficiency durable heating device for tobacco machine |
| CN105351924A (en) * | 2015-12-06 | 2016-02-24 | 中南大学 | Rotational flow atomizing precombustion type heavy oil burner |
| CN107890769A (en) * | 2017-12-28 | 2018-04-10 | 武汉都市环保工程技术股份有限公司 | One kind is applied to rotary kiln drying grate pelletizing flue gas SNCR denitration technique and SNCR denitration device |
| CN111720839A (en) * | 2020-06-12 | 2020-09-29 | 山东同智创新能源科技股份有限公司 | Environment-friendly multi-stage combustion device applied to waste gas liquid incineration treatment |
-
2007
- 2007-04-29 CN CNU2007200206989U patent/CN201059556Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992160B (en) * | 2009-08-27 | 2014-11-05 | 斯普瑞喷雾系统(上海)有限公司 | Two-fluid nozzle device with large adjustment ratio and large adjustment ratio method thereof |
| CN102908738A (en) * | 2012-09-26 | 2013-02-06 | 四川威特龙消防设备有限公司 | Two-phase flow superfine water mist nozzle |
| CN102908738B (en) * | 2012-09-26 | 2014-12-17 | 四川威特龙消防设备有限公司 | Two-phase flow superfine water mist nozzle |
| CN103316793A (en) * | 2013-06-19 | 2013-09-25 | 安徽艾可蓝节能环保科技有限公司 | Air-assist atomizing nozzle |
| CN103316793B (en) * | 2013-06-19 | 2016-07-06 | 安徽艾可蓝节能环保科技有限公司 | A kind of gas helps formula atomizer |
| CN104801052A (en) * | 2015-04-28 | 2015-07-29 | 陈国良 | High-efficiency durable heating device for tobacco machine |
| CN105351924A (en) * | 2015-12-06 | 2016-02-24 | 中南大学 | Rotational flow atomizing precombustion type heavy oil burner |
| CN107890769A (en) * | 2017-12-28 | 2018-04-10 | 武汉都市环保工程技术股份有限公司 | One kind is applied to rotary kiln drying grate pelletizing flue gas SNCR denitration technique and SNCR denitration device |
| CN111720839A (en) * | 2020-06-12 | 2020-09-29 | 山东同智创新能源科技股份有限公司 | Environment-friendly multi-stage combustion device applied to waste gas liquid incineration treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 |