CN2666565Y - Vapour-pressure type particle generator - Google Patents
Vapour-pressure type particle generator Download PDFInfo
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- CN2666565Y CN2666565Y CN 200320111804 CN200320111804U CN2666565Y CN 2666565 Y CN2666565 Y CN 2666565Y CN 200320111804 CN200320111804 CN 200320111804 CN 200320111804 U CN200320111804 U CN 200320111804U CN 2666565 Y CN2666565 Y CN 2666565Y
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Abstract
The utility model relates to an oil pulverization equipment, in particular to an air pressure particle generation device of an air power model wind-tunnel test. The utility model is characterized in that a clearance of 0.8-1.0 mm is arranged between a hollow disc (14) in a barrel body (8) formed by sealing and connecting of a barrel cover (18) and the barrel body (8) and the internal wall of the barrel body (8); the hollow disc (14) is connected with 6 nozzles (9), (10), (11), (12); an air inlet pipe (2) through a pressure adjusting valve (3), the hollow disc (14) to an oil/gas spray (26) and an oil spray hole (27) on the 6 nozzles (9), (10), (11), (12) form a passage. 1 to 4 air spray holes (26) is arranged on the nozzle (10); 1 to 4 oil spray holes (27) is arranged on a nozzle disc (24). The utility model has the advantages of simple structure, low cost, convenient operation and usage, repeatable usage continuous tracer particle with adjustable smoke quantity and good airflow following performance formed by the compressed air passing through the nozzle to pulverizing the oil, no pollution no corrosion to model or wind tunnel body.
Description
(1), art field: the utility model relates to oil atomization equipment, is specially a kind of vapour-pressure type particle generator in the aerodynamic model wind tunnel test.
(2) background technology: at present, in China's wind-tunnel, carry out laser sheet optical FLOW VISUALIZATION or laser speed measure (LDV) and laser image test the speed (PIV) etc. all must in the flow field, throw in trace particle, these particles with airflow passes model place by the light scattering of its particle in laser sheet optical, thereby show flow characteristics or carry out velocity field and measure.General method has three kinds of modes.The one, direct electricity consumption heating is lighted fragrant incense and is fuming.Two adopt the titanium tetrachloride chemical reagent, generate white titanium dioxide granule with its titanium tetrachloride volatilization of liquid nitrogen shortness of breath and through aqueous solution, throw in the flow field.The 3rd, adopted two kinds of aerosol producers, model is the automatic fog machine of ZYW-III, the multi-functional cigarette machine of model NEO-NEON F-80Z.The used medium of being fuming is ethylene glycol or organic solvent.First method belongs to original fuming technology, wayward cigarette amount.Though second method can produce trace particle preferably, the titanium dioxide granule of white has stronger scattered light ability.But contain hydrochloric acid in the smog that produces, wind-tunnel, environment and human body are had certain pollution and corrosive attack.Smoking device on the similar stage of the third method, the high temperature heating can provide dense smog, but its greatest drawback is to be fuming continuously, and cigarette amount overrich, can not control the cigarette amount, visual quantitative Treatment is disadvantageous for flowing.This patent has been developed a kind of vapour-pressure type particle generator, by pressurized air through nozzle, with oil atomization, form continuous, the cigarette amount is adjustable, trace particle with better air-flow followability, and is and pollution-free, and model and wind-tunnel hole body are not had any corrosion.In addition, use edible oil, need not heating, safe in utilization, convenient.
(3) summary of the invention: the purpose of this utility model is to provide a kind of vapour-pressure type particle generator simple in structure, with low cost, in light weight, easy for operation, safe and reliable, pollution-free, reusable.The purpose of this utility model is achieved in that it comprises shadoof (1), draft tube (2), pressure regulator valve (3), air outlet valve (4), safety valve (5), O-ring seal (6), clamping screw (7), staving (8), nozzle (9), (10), (11), (12), the bucket end (13), hollow garden dish (14), rain glass (15), tightening screw (16), bung (18), zerk (19), O-ring seal (21), packing ring (22), nut (23), spray nozzle plate (24), plug (25), gas orifice (26), nozzle opening (27).Between hollow garden dish (14) in the staving (8) that bung (18) and staving (8) are tightly connected and staving (8) inwall 0.8-1.0mm gap is arranged, be connected with 6 nozzles (9), (10), (11), (12) on hollow garden dish (14), draft tube (2) constitutes passage through pressure regulator valve (3), hollow garden dish (14) to gas orifice (26), the nozzle opening (27) on 6 nozzles (9), (10), (11), (12).1-4 gas orifice (26) arranged on nozzle (10), 1-4 nozzle opening (27) arranged on spray nozzle plate (24).Gas orifice (26) is straight through being 0.60-0.80mm, and the straight warp of nozzle opening (27) is 0.80-1.0mm.Be enclosed within nozzle (10) at an end of nozzle (10) by nut (23), O-ring seal (21), packing ring (22) and fixedly connected with hollow garden dish (14) afterwards, the other end is enclosed within on the nozzle (10) by spray nozzle plate (24).Advantage of the present utility model is:, simple in structure, with low cost, easy for operation, reusable, by pressurized air through nozzle, with oil atomization, form continuous, the cigarette amount is adjustable, trace particle with better air-flow followability, and pollution-free, model and wind-tunnel hole body there are not any corrosion.In addition, use edible oil, need not heating, safe in utilization, convenient.
(4) description of drawings: Fig. 1 looks synoptic diagram for the utility model structural principle master.Fig. 2 is the utility model structural principle schematic side view.Fig. 3 is the utility model nozzle structure for amplifying principle schematic.
(5) embodiment: it comprises shadoof (1), draft tube (2), pressure regulator valve (3), air outlet valve (4), safety valve (5), O-ring seal (6), clamping screw (7), staving (8), nozzle (9), (10), (11), (12), the bucket end (13), hollow garden dish (14), rain glass (15), tightening screw (16), bung (18), zerk (19), O-ring seal (21), packing ring (22), nut (23), spray nozzle plate (24), plug (25), gas orifice (26), nozzle opening (27).Between hollow garden dish (14) in the staving (8) that bung (18) and staving (8) are tightly connected and staving (8) inwall 0.8-1.0mm gap is arranged, be connected with 6 nozzles (9), (10), (11), (12) on hollow garden dish (14), draft tube (2) constitutes passage through pressure regulator valve (3), hollow garden dish (14) to gas orifice (26), the nozzle opening (27) on 6 nozzles (9), (10), (11), (12).1-4 gas orifice (26) arranged on nozzle (10), 1-4 nozzle opening (27) arranged on spray nozzle plate (24).Gas orifice (26) is straight through being 0.60-0.80mm, and the straight warp of nozzle opening (27) is 0.80-1.0mm.Be enclosed within nozzle (10) at an end of nozzle (10) by nut (23), O-ring seal (21), packing ring (22) and fixedly connected with hollow garden dish (14) afterwards, the other end is enclosed within on the nozzle (10) by spray nozzle plate (24).The utility model course of work is: pressurized air enters a hollow garden dish through draft tube and pressure regulator valve, and six roots of sensation nozzle is housed on it, and nozzle is immersed in the oil, and oil is contained in the airtight garden bucket.By the nebulization of nozzle, produce mist of oil.The gap of mist of oil between hollow garden dish and garden bucket inwall enters garden dish superjacent air space, and passes to model through pipe.Liquid level indicator, zerk, safety valve, rain glass are housed on the staving.Between bung and the staving O-ring seal is arranged, guarantee sealing in the bucket.The staving and the bucket end, are by being welded.Regulate intake pressure and nozzle number and can regulate the concentration and the cigarette amount of outlet mist of oil.Each length difference of six roots of sensation blast tube is to adapt to different liquid levels.The medium of being fuming adopts a kind of edible oil, therefore environment and human body is not had any corrosion and pollution effect.The utility model is evenly to be fuming continuously, and this is vital for the FLOW VISUALIZATION quality.When pressurized air sprays at a high speed near near the aperture the plug from blast tube (bottom), form low pressure.Near gas orifice diameter being arranged on spray nozzle plate is 1 millimeter hole.Because low pressure, the oil of spray nozzle plate top is inhaled into the gas orifice place, thereby is sprayed into mist of oil.Mist of oil enters top in the bucket from 1 millimeter gap between hollow garden dish and the inner barrel wall, and this gap has stopped that the bigger bubble of diameter enters escape pipe.Open the pipe valve of giving vent to anger during operation earlier, slowly open gas admittance valve then, can see mist of oil ejection from escape pipe this moment.Regulate admission pressure, can change the smoke amount.When using for the first time, pasta can not surpass hollow garden dish height.Do not use for a long time, can open the valve at zerk place, mist of oil is bled off.In addition, the utility model can also be the beauty appliance of medium with the olive oil as being the spray moisturing device of medium with water.
Claims (4)
1, a kind of vapour-pressure type particle generator, it comprises shadoof (1), draft tube (2), pressure regulator valve (3), air outlet valve (4), safety valve (5), O-ring seal (6), clamping screw (7), staving (8), nozzle (9), (10), (11), (12), the bucket end (13), hollow garden dish (14), rain glass (15), tightening screw (16), bung (18), zerk (19), O-ring seal (21), packing ring (22), nut (23), spray nozzle plate (24), plug (25), gas orifice (26), nozzle opening (27), it is characterized in that: between hollow garden dish (14) in the staving (8) that bung (18) and staving (8) are tightly connected and staving (8) inwall 0.8-1.0mm gap is arranged, on hollow garden dish (14), be connected with 6 nozzles (9), (10), (11), (12), draft tube (2) is through pressure regulator valve (3), hollow garden dish (14) is to 6 nozzles (9), (10), (11), (12) the oil spout gas (26) on, nozzle opening (27) constitutes passage.
2, a kind of vapour-pressure type particle generator according to claim 1 is characterized in that: 1-4 gas orifice (26) arranged on nozzle (10), 1-4 nozzle opening (27) arranged on spray nozzle plate (24).
3, a kind of vapour-pressure type particle generator according to claim 1 is characterized in that: gas orifice (26) is straight through being 0.60-0.80mm, and the straight warp of nozzle opening (27) is 0.80-1.0mm.
4, a kind of vapour-pressure type particle generator according to claim 1, it is characterized in that: be enclosed within nozzle (10) at an end of nozzle (10) by nut (23), O-ring seal (21), packing ring (22) and fixedly connected with hollow garden dish (14) afterwards, the other end is enclosed within on the nozzle (10) by spray nozzle plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320111804 CN2666565Y (en) | 2003-12-30 | 2003-12-30 | Vapour-pressure type particle generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320111804 CN2666565Y (en) | 2003-12-30 | 2003-12-30 | Vapour-pressure type particle generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2666565Y true CN2666565Y (en) | 2004-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320111804 Expired - Fee Related CN2666565Y (en) | 2003-12-30 | 2003-12-30 | Vapour-pressure type particle generator |
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|---|---|
| CN (1) | CN2666565Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370259C (en) * | 2004-11-12 | 2008-02-20 | 中国科学院西安光学精密机械研究所 | High-speed throwing device of tracer particles in water flow field particle imaging speed measurement system |
| CN103940573A (en) * | 2014-05-06 | 2014-07-23 | 大连理工大学 | Tracer particle dispensing device and dispensing method for small-size PIV flow field testing experiment |
| CN105021367A (en) * | 2015-07-27 | 2015-11-04 | 中国航空工业集团公司哈尔滨空气动力研究所 | Portable tracer particle generator apparatus based on pressure atomization and generation method |
| CN106290978A (en) * | 2016-08-25 | 2017-01-04 | 北京航空航天大学 | A kind of transverse injection agitation blends liquid trace displaying particle generator |
| CN108760219A (en) * | 2018-05-23 | 2018-11-06 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of adjustable-flow particle generator |
| CN111721495A (en) * | 2020-06-16 | 2020-09-29 | 中国人民解放军国防科技大学 | Novel particle of nano particle plane laser scattering experiment generates device |
| CN113848033A (en) * | 2021-09-24 | 2021-12-28 | 哈尔滨工程大学 | Smoke continuous generating device for small visual wind tunnel test bed |
-
2003
- 2003-12-30 CN CN 200320111804 patent/CN2666565Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370259C (en) * | 2004-11-12 | 2008-02-20 | 中国科学院西安光学精密机械研究所 | High-speed throwing device of tracer particles in water flow field particle imaging speed measurement system |
| CN103940573A (en) * | 2014-05-06 | 2014-07-23 | 大连理工大学 | Tracer particle dispensing device and dispensing method for small-size PIV flow field testing experiment |
| CN105021367A (en) * | 2015-07-27 | 2015-11-04 | 中国航空工业集团公司哈尔滨空气动力研究所 | Portable tracer particle generator apparatus based on pressure atomization and generation method |
| CN106290978A (en) * | 2016-08-25 | 2017-01-04 | 北京航空航天大学 | A kind of transverse injection agitation blends liquid trace displaying particle generator |
| CN106290978B (en) * | 2016-08-25 | 2019-05-24 | 北京航空航天大学 | A kind of transverse injection agitation blending liquid trace displaying particle generator |
| CN108760219A (en) * | 2018-05-23 | 2018-11-06 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of adjustable-flow particle generator |
| CN111721495A (en) * | 2020-06-16 | 2020-09-29 | 中国人民解放军国防科技大学 | Novel particle of nano particle plane laser scattering experiment generates device |
| CN111721495B (en) * | 2020-06-16 | 2022-02-08 | 中国人民解放军国防科技大学 | Novel particle of nano particle plane laser scattering experiment generates device |
| CN113848033A (en) * | 2021-09-24 | 2021-12-28 | 哈尔滨工程大学 | Smoke continuous generating device for small visual wind tunnel test bed |
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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: 20041229 Termination date: 20100201 |