CN2706240Y - Gas liquid jet impact refraction composite plane jet spray nozzle - Google Patents
Gas liquid jet impact refraction composite plane jet spray nozzle Download PDFInfo
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- CN2706240Y CN2706240Y CN 200420036937 CN200420036937U CN2706240Y CN 2706240 Y CN2706240 Y CN 2706240Y CN 200420036937 CN200420036937 CN 200420036937 CN 200420036937 U CN200420036937 U CN 200420036937U CN 2706240 Y CN2706240 Y CN 2706240Y
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Abstract
The utility model relates to a plane jet cooling water spray nozzle for cooling a metal plate belt, in particular to a gas liquid jet impact refraction composite plane jet spray nozzle. The utility model comprises a plane gas jet narrow slit, a plane liquid jet narrow slit, and a wall-attachment. The plane gas jet narrow slit adheres to the wall-attachment, and the plane liquid jet narrow slit and the wall-attachment lie at an angle; the plane gas jet generated by the plane gas jet narrow slit connected with a gas supply joint and the plane liquid jet generated by the plane liquid jet narrow slit connected with a liquid supply joint intersect at an angle, and the plane liquid jet can generate jet impact disintegration refraction on the wall-attachment; the plane liquid jet and the plane gas jet synthesize a working jet on the wall-attachment, and the working jet sprays after flowing along the wall-attachment. The utility model can obtain the required plane jet cooling water water-curtain or plane gas-atomized jet type cooling water-curtain; as a consequence, the gas liquid jet impact refraction composite plane jet spray nozzle can get the jet nozzle to proceed uniform cooling in the width direction of metal plate belt; the gas liquid jet impact refraction composite plane jet spray nozzle has convenient regulation of intensity of cooling, and the utility model is easy to control.
Description
(1) technical field
The utility model relates to a kind of plane jet cooling water jet blower that is used for the metal plate and belt cooling, relates in particular to gas-liquid injection bump refraction combined type plane jet jet blower.
(2) background technology
In industrial production, often to adopt liquid medium to reach the requirement of production technology as cooling medium, for example control cooling technology and the heat treatment technics in the ferrous materials production process requires best cooling effect cooling medium must be ejected into the surface of material by special injector in order to obtain technology.Because the difference of injector designs structure, jeting effect are also different, the uniformity of product quality is exerted an influence.Because the production of metal plate and belt is continuous, the cooling homogenising is to estimate one of the important indicator of the characteristic of cooling system on the metal plate and belt width, requires the injection unit of cooling system can obtain uniform cooling blast on the width of metal plate and belt.Existing injection unit adopts the axial type jet blower mostly, but because its design feature has determined the inhomogeneities of jet at paraxial region and remote axis area, the axial symmetry that this inhomogeneities and axial type are sprayed makes the inhomogeneous cooling of strip, be difficult to satisfy the technological requirement in iron and steel and the production process, and jet blower only adopts cooling fluid to spray cooling.Another kind of injection unit adopts narrow slit type nozzle, and narrow slit type nozzle can produce plane jet and form water curtain atomizing or water curtain, is used for water-cooled.Water curtain can obtain the laminar flow cooling of metal plate and belt, and its shortcoming is that cooling medium produces steam film and reduces cooling effect under the situation of low pressure stream in high temperature strip metal surface, and severe patient causes the inhomogeneous cooling of strip, the result of strip surface and inherent quality reduction; The water curtain atomizing effect is poor under the situation of high-pressure spray, and when high-pressure spray was ejected on the steel plate simultaneously, the sputter that high-pressure spray produces was very big, and the cooling medium major part is wasted by sputter, and cooling effectiveness is low.The inaccessible efficient cooling effect of single common narrow slit type nozzle is difficult to satisfy the cooling technology requirement controlled to the metal plate and belt intensity of cooling of hot mechanical controlled rolling technology (TMCP).
(3) summary of the invention
The purpose of this utility model is to provide a kind of gas-liquid injection bump refraction combined type plane jet jet blower, this gas-liquid injection bump refraction combined type plane jet jet blower can obtain evenly cooling at the metal plate and belt width, make metal plate and belt obtain preferably evenly performance, overcome the defective that prior art is spared at the inhomogeneous cooling of width metal plate and belt at width.The utility model gas-liquid injection bump refraction combined type plane jet jet blower adopts high-speed gas jet and plane cooling water jet to spray bump and pulverizes the refraction back and intersect and synthesize the moving compound jet that forms of attached jet behind the work jet, obtain required plane jet cooling water water curtain or plane dispersed jet cooling water smoke, intensity of cooling control easy to adjust and easy.The plane jet cold oil oil curtain or the plane dispersed jet cold oil spray painting nozzle of metal plate and belt cooling when also can be used as specific condition, or be used as organic coating electrostatic applications atomizer etc.
The utility model is achieved in that a kind of gas-liquid injection bump refraction combined type plane jet jet blower, comprise flat gas jet slit, flat liquid jet slit, attached wall, flat gas jet slit adheres to attached wall, flat liquid jet slit and attached wall are at angle, the flat gas jet slit that connects the gas supply joint produces the flat gas jet and produces the flat liquid jet with an angle of intersection with the flat liquid jet slit that is connected the liquid supply joint, the flat liquid jet produces on attached wall and sprays bump pulverizing refraction, and on attached wall, synthesizing the work jet with the flat gas jet, the work jet is along attached jet moving back ejection.
Above-mentioned gas-liquid injection bump refraction combined type plane jet jet blower describedly is equipped with flipper guide in attached wall both sides, and the flipper guide rear side has deep-slotted chip breaker, and flat liquid jet slit two ends are equipped with backstay and are passed deep-slotted chip breaker on the flipper guide, and is conditioned button and fixes.
Above-mentioned gas-liquid injection bump refraction combined type plane jet jet blower, described flat gas jet slit and plane liquid jet slit cross sectional shape are straight straight spray shape.
Above-mentioned gas-liquid injection bump refraction combined type plane jet jet blower, the described damping section that on attached wall, is provided with, the damping section is bulk or broach shape.
Above-mentioned gas-liquid injection bump refraction combined type plane jet jet blower, described flat gas jet slit and plane liquid jet slit cross sectional shape are beloid expansion shape, expansion angle is 0～30 °.
Above-mentioned gas-liquid injection bump refraction combined type plane jet jet blower, the angle of described flat liquid jet slit and attached wall is 10 °～135 °.
Above-mentioned gas-liquid injection bump refraction combined type plane jet jet blower, described attached wall is plane or curved surface.
Above-mentioned gas-liquid injection bump refraction combined type plane jet jet blower, described flat gas jet slit connects cavity, and cavity connects the gas supply joint, and a plurality of gas current-sharing dams are housed in the cavity.
Operation principle of the present utility model is to utilize slot injection structural principle, the pulverizing motion of injection bump and the moving combination of jet attached jet to form compound jet, make high-speed plane gas jet and plane cooling water jet spray bump and pulverize the refraction back and intersect and synthesize the moving compound jet that forms of attached jet behind the work jet, obtains required plane jet cooling water water curtain or plane dispersed jet and cool off water smoke.And the pressure of the parameter by regulating jet blower and gas, fluid supply, obtain the parameter of gas with various jet and liquid jet, thereby obtain different work jets: can obtain plane jet cooling water water curtain during the bigger injection of fluid flow, can obtain the plane dispersed jet during the bigger injection of the less throughput of fluid flow, thereby jet blower is evenly cooled off the metal plate and belt width, and intensity of cooling is easy to adjust and control is easy.The plane jet cold oil oil curtain or the plane dispersed jet cold oil spray painting nozzle of metal plate and belt cooling when also can be used as specific condition, or be used as organic coating electrostatic applications atomizer etc.Be the uniformity that guarantees that gas pressure distributes in the jet blower inner high voltage chamber, in high pressure chest, adopt the gas current-sharing dam, make the gas jet of jet blower keep uniformity, improved the stability of jet blower jet.This gas-liquid injection bump refraction combined type plane jet jet blower adjustable extent is wide, regulates the flexibility height, can be used in the closed-loop control cooling system.
(4) description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is gas-liquid injection bump refraction combined type plane jet jet blower schematic diagram;
Fig. 2 is a jet blower structural upright schematic diagram;
Fig. 3 be among Fig. 2 E-E to cutaway view,
Fig. 4 is for there being the jet blower cutaway view of damping block on the attached wall.
Among the figure: 1 flat gas jet slit, 2 flat liquid jet slits, 3 attached walls, 4 flipper guides, 5 adjusting knobs, 6 gas current-sharing dams, 7 damping sections; A flat gas jet, B flat liquid jet, the C jet of working.
(5) specific embodiment
Referring to Fig. 1, Fig. 2 Fig. 3, a kind of gas-liquid injection bump refraction combined type plane jet jet blower comprises flat gas jet slit 1, flat liquid jet slit 2, attached wall 3.Flat gas jet slit 1 adheres to attached wall 3, and attached in other words wall 3 is near flat gas jet slit 1, and flat liquid jet slit 2 and attached wall are at angle.The flat gas jet slit 1 that connects the gas supply joint produces flat gas jet A and produces flat liquid jet B with an angle of intersection with the flat liquid jet slit 2 that is connected the liquid supply joint, flat liquid jet B produces on attached wall 3 and sprays bump and pulverize refraction, and with flat gas jet A synthetic work jet C.Work jet C flows and breaks away from jet blower along attached wall 3 and sprays, and becomes plane jet cooling water water curtain or plane dispersed jet.When flat liquid jet B is injected into flat gas jet A and flat gas jet A produce to interact, and quickened to produce the liquid film phenomenon by flat gas jet A, all be very favourable to forming water curtain or water atomization.The injection bump pulverization that flat liquid jet B produces on attached wall 3 helps the fragmentation of liquid, promotes the atomizing of liquid.Flat liquid jet B can regulate between 10 °～135 ° easily with respect to the angle of attached wall 3, and the adjusting angle scope is preferable between 15 °～90 ° generally speaking.Because jet blower design parameter and gas, the pressure in liquid source, the difference of quantity delivered, obtain the jet parameters of different flat gas jet A and plane liquid jet B, thereby obtain different work jet C, plane jet cooling water water curtain can be obtained during the bigger injection of fluid flow, the plane dispersed jet can be obtained during the bigger injection of the less gas flow of fluid flow.The jet performance of work jet C ejection after attached wall 3 flows operation improves.Attached wall 3 is generally the plane, also can be curved surface.Jet blower of the present utility model has simple in structure, and it is wide that the flow of gas-liquid and ratio have adjustable extent, and characteristics such as the flexibility height of adjusting can adopt electrohydraulic control technologies such as magnetic valve to carry out On-line Control, are used for the closed-loop control cooling system.Flat liquid jet B can also be heterogeneous compound jet.
Referring to Fig. 2, Fig. 3, in attached wall 3 both sides flipper guide 4 is housed, flipper guide 4 rear sides have deep-slotted chip breaker, and flat liquid jet slit 2 two ends are equipped with backstay and are passed deep-slotted chip breaker on the flipper guide 4, and it is fixing to be conditioned button 5, in order to regulate the angle of flat liquid jet slit 2 and attached wall 3.Flipper guide 4 can increase the stability of jet when attached wall 3 flows, useful atomizing effect.When fluid flow during greater than throughput the jet blower ejection be plane water curtain jet, what throughput sprayed during much larger than fluid flow is the plane dispersed jet.In Fig. 3, flat gas jet slit 1 and plane liquid jet slit 2 cross sectional shapes are straight straight spray shape, have first-class baric flow to move the stage in slot segments, break away from behind the slit fluid speedup that expands rapidly, useful atomizing.Connect in the cavity at flat gas jet slit 1, a plurality of gas current-sharing dams 6 are housed, air-flow is entered from input channel obtain the homogenising that expands in the air cavity, guarantee the uniformity of interior gas pressure of spout district air cavity and flow.
Referring to Fig. 4, a kind of gas-liquid injection bump refraction combined type plane jet jet blower is provided with damping section 7 on attached wall 3, and damping section 7 is bulk or broach shape.Work jet C is hampered along attached wall 3 walkings after Buddhist nun's section 7, just break away from jet blower and become free plane jet cooling water water curtain or free plane dispersed jet, the effect of damping section 7 is to increase the jet scattering, jet is decayed faster, can reduce the loss of the cooling effectiveness that the sputter of cooling blast on the strip surface cause.Flat gas jet slit 1 and plane liquid jet slit 2 cross sectional shapes are beloid expansion shape, and expansion angle is 0～30 °, constantly expand and speedup at the slit inner fluid.In flat gas jet slit 1 connection cavity, a plurality of gas current-sharing dams 6 are housed also; In attached wall 3 both sides flipper guide 4 is housed.
Because producing, flat liquid jet B sprays the fragmentation that bump pulverizing refraction helps liquid on the attached wall 3 that adheres to flat gas jet A, promote the atomizing of liquid, make the utility model also be applicable to the atomizing of the liquid that viscosity is big or surface tension is big, be used for the atomizer of electrostatic spray coating.
Claims (10)
1. a gas-liquid injection bump reflects combined type plane jet jet blower, it is characterized in that comprising flat gas jet slit, flat liquid jet slit, attached wall, flat gas jet slit adheres to attached wall, flat liquid jet slit and attached wall are at angle, the flat gas jet slit that connects the gas supply joint produces the flat gas jet and produces the flat liquid jet with an angle of intersection with the flat liquid jet slit that is connected the liquid supply joint, the flat liquid jet produces on attached wall and sprays bump pulverizing refraction, and on attached wall, synthesizing the work jet with the flat gas jet, the work jet is along attached jet moving back ejection.
2. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 1, it is characterized in that flipper guide being housed in attached wall both sides, the flipper guide rear side has deep-slotted chip breaker, and flat liquid jet slit two ends are equipped with backstay and are passed deep-slotted chip breaker on the flipper guide, and is conditioned button and fixes.
3. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 1 and 2 is characterized in that flat gas jet slit and plane liquid jet slit cross sectional shape are straight straight spray shape.
4. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 1 and 2 is characterized in that being provided with the damping section on attached wall, the damping section is bulk or broach shape.
5. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 4 is characterized in that flat gas jet slit and plane liquid jet slit cross sectional shape are beloid expansion shape, and expansion angle is 0～30 °.
6. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 1, the angle that it is characterized in that flat liquid jet slit and attached wall is 10 °～135 °.
7. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 1 is characterized in that attached wall is plane or curved surface.
8. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 1 is characterized in that flat gas jet slit connects cavity, and cavity connects the gas supply joint, and a plurality of gas current-sharing dams are housed in the cavity.
9. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 3 is characterized in that flat gas jet slit connects cavity, and cavity connects the gas supply joint, and a plurality of gas current-sharing dams are housed in the cavity.
10. gas-liquid injection bump refraction combined type plane jet jet blower according to claim 5 is characterized in that flat gas jet slit connects cavity, and cavity connects the gas supply joint, and a plurality of gas current-sharing dams are housed in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036937 CN2706240Y (en) | 2004-06-29 | 2004-06-29 | Gas liquid jet impact refraction composite plane jet spray nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036937 CN2706240Y (en) | 2004-06-29 | 2004-06-29 | Gas liquid jet impact refraction composite plane jet spray nozzle |
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| CN2706240Y true CN2706240Y (en) | 2005-06-29 |
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| CN 200420036937 Expired - Fee Related CN2706240Y (en) | 2004-06-29 | 2004-06-29 | Gas liquid jet impact refraction composite plane jet spray nozzle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635437A (en) * | 2013-11-07 | 2015-05-20 | 沈阳芯源微电子设备有限公司 | Curtain-like developing nozzle |
| CN104853854A (en) * | 2012-12-18 | 2015-08-19 | 浦项工科大学校产学协力团 | Method for removing liquid membrane using high-speed particle beam |
-
2004
- 2004-06-29 CN CN 200420036937 patent/CN2706240Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853854A (en) * | 2012-12-18 | 2015-08-19 | 浦项工科大学校产学协力团 | Method for removing liquid membrane using high-speed particle beam |
| CN104853854B (en) * | 2012-12-18 | 2016-08-17 | 浦项工科大学校产学协力团 | Utilize the liquid film minimizing technology of high velocity beam |
| CN104635437A (en) * | 2013-11-07 | 2015-05-20 | 沈阳芯源微电子设备有限公司 | Curtain-like developing nozzle |
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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: 20050629 Termination date: 20130629 |