CN201969471U - Vortex type cold and hot air separation device - Google Patents
Vortex type cold and hot air separation device Download PDFInfo
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- CN201969471U CN201969471U CN2011200268303U CN201120026830U CN201969471U CN 201969471 U CN201969471 U CN 201969471U CN 2011200268303 U CN2011200268303 U CN 2011200268303U CN 201120026830 U CN201120026830 U CN 201120026830U CN 201969471 U CN201969471 U CN 201969471U
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Abstract
The utility model relates to a vortex type cold and hot air separation device, which comprises a machine body with a cylindrical inner wall surface, an air inlet and stirring fan device, a hot air discharge hole, a vortex reflux device and a cold air discharge hole, wherein a cylindrical inner chamber with a first end and a second end is limited by the cylindrical inner wall surface; the air inlet and stirring fan device is connected with the machine body at the point of the first end to suck external air into the cylindrical inner chamber and stir the air to form a first vortex advancing towards the second end; the hot air discharge hole is positioned in or is close to the edge of the second end so as to discharge a part of air of the first vortex advancing to the hot air discharge hole out of the cylindrical inner chamber; the vortex reflux device positioned at the second end makes the residual air of the first vortex not discharged out of the hot air discharge hole reflux into a second vortex penetrating through a cyclone inner core of the first vortex and advancing towards the first end of the cylindrical inner chamber; and the cold air discharge hole is positioned in the radial center or close to and around the radial center of the first end of the cylindrical inner chamber, and the temperature of air discharged from the hot air discharge hole is higher than that of the air discharged from the cold air discharge hole.
Description
Technical field
The utility model relates generally to energy separation device, relates more specifically to utilize Lan Ke-Hull petty official (Ranque-Hilsch) effect gas to be separated into the cold and hot gas fractionation unit of vortex of hot and cold air.
Background technology
In history, the phenomenon of Lan Ke-Hull petty official's effect is at first found by French metallurgical engineer George Lan Ke (Georges Ranque) in nineteen thirty.At that time, found the eddy current cooling effect in the cyclone separator in George Lan Kezai experiment, promptly the central temperature of air-flow is different with the temperature of each layer of periphery in the cyclone separator, and the center has lower temperature, and outer rim has higher temperature.According to this phenomenon, George Lan Ke has designed the first vortex tube device that can carry out energy separation on the human history subsequently, and in 1931 in french application patent.1933, George Lan Ke did specialist paper about the experiment of vortex tube device and vortex temperature separation effect thereof in French physical society.This report points out that temperature is after 20 ℃ Compressed Gas enters vortex tube, and by vortex temperature separation effect, the temperature of the cold airflow that flows out from vortex tube is about-20 ℃～-10 ℃, and the temperature of thermal current can reach about 100 ℃.At that time, because George Lan Ke has obscured the notion of fluid stagnation temperature (stagnation temperature) with static temperature to the elaboration of temperature segregation phenomenon, thereby suffered participant scientist's query, cold and hot gas segregation phenomenon to vortex tube in the meeting generally negates, and this finally causes the further research of vortex temperature separation effect and corresponding vortex tube device is interrupted.
1945, roentgen Rudoiph Hull petty official (Rudolph Hilsch) has delivered the scientific report of one piece of relevant vortex tube attracting people's attention, wherein used detailed data to confirm vortex temperature separation effect, and proposed a series of achievement in research and valuable suggestion with regard to definition of the device design of vortex tube, application, temperature effect etc.So far, vortex temperature separation effect is just by formal acceptance of people and affirmation.George Lan Ke and the Rudoiph Hull petty official outstanding contribution of making in this field in honor of, people also are called this vortex temperature separation effect Lan Ke-Hull petty official's effect usually.
Even to this day, the scientific research institution of many countries, university and enterprise have carried out a large amount of experimental studies and theory study to Lan Ke-Hull petty official's effect and implement device thereof in the world.But no matter still all progress is very little on apparatus structure in basic theory.
As shown in Figure 1, traditional vortex tube 10 mainly stops that by advance pipe (or claiming temperature separator tube) 13, thermal current outlet 14, cold airflow outlet 15 and eddy current of nozzle 11, eddy current generation cavity 12, eddy current backflow centrum 16 constitutes.According to a kind of main flow viewpoint of the prior art, during work, vortex tube 10 sprays into eddy current generation cavity 12 with Compressed Gas through nozzle 11 by the gas compressor (not shown in figure 1) of peripheral hardware; The gas that sprays into eddy current generation cavity 12 at first expands, then with very high speed tangentially enter eddy current advance the pipe 13, advance with helical form eddy current form; The eddy current of advancing is before arriving thermal current outlet 14, be subjected to eddy current and stop stopping of backflow centrum 16, part gas will reflux in the opposite direction with the less relatively inner core eddy current form of vortex diameter, the gas of Hui Liuing will not export 14 discharges via thermal current, and the gas that refluxes will export 15 discharges via cold airflow.Because Lan Ke-Hull petty official effect appears in gas in vortex tube, thereby the temperature of the outer swirl gas of discharging via thermal current outlet 14 will be higher than the temperature of the inner core swirl gas that cold airflow outlet 15 discharges.So, will export 14 air-flows of discharging via thermal current and be called thermal current, will export 15 air-flows of discharging via cold airflow and be called cold airflow.Those skilled in the art can recognize that all so-called thermal current and cold airflow should not be constrained to and will be higher or lower than a certain absolute temperature value here, but effluent air in two air stream outlets is relative mutually.That is to say that in the art, the notion of term " thermal current " and " cold airflow " is clear, definite.
Though this vortex tube device is all very simple in structure and operation, the energy exchange processes of the Lan Ke that takes place in this device-Hull petty official's effect is but extremely complicated.Because the result of interior friction makes diabatic process irreversible.And scientific circles it is generally acknowledged that gas carries out in vortex tube device should be certain complicated three dimensional compressible turbulent flow, thereby in the application of Lan Ke-Hull petty official's effect, can not provide so far can accurately predicting vortex tube device performance Mathematical Modeling.On basic theory, scientific circles also are that opinions vary to the explanation of Lan Ke-Hull petty official's effect, never have a kind of very satisfied theoretical explanation that makes us, even also conflicting between the viewpoint of some theory self.We can say, be a great difficult problem of present scientific circles to the theoretical research of Lan Ke-Hull petty official effect.
For the cold and hot gas separation principle of Lan Ke-Hull petty official's effect, what industry was at present popular is a kind of kinetic energy replacement theory, and its saying is roughly as follows:
Air-flow in the vortex tube device is carrying out complicated motion, the motion of outer swirl gas thermotropism air stream outlet, the inner core swirl gas is to cold airflow outlet motion, these two eddy current are with identical direction rotation, particularly importantly these two eddy current are with same angular speed rotation, though have strong sinuous flow from initiating terminal to terminal intersection between two swirl gas, from the angle that rotatablely moves, these two eddy current are visual as a whole.The inner core eddy current is limited by outer eddy current, so the inner core eddy current is passive whirlpool, and outer eddy current is for driving the whirlpool.With the tourbillion stream that produces in the bathtub is that example illustrates visually, and when draining, water is to the motion of outlet core, and its rotary speed is in order to keep moment of momentum thereby can to increase.Because tangential linear velocity of particle and eddy current radius in the tourbillion stream are inversely proportional to.Therefore, the particle in tourbillion stream reduces to a half when driving the whirlpool radius when the motion of outlet core, and particle doubles along the tangential linear velocity of vortex, and the particle of keeping the passive whirlpool of certain angular velocity of rotation then reduces half along the tangential linear velocity of vortex.The particle that drives the whirlpool is compared with the particle in passive whirlpool, flows into sewage draining exit with fast its linear velocity of four times.Because square being directly proportional of kinergety and linear velocity.In this example, passive whirlpool has only in the kinergety of the particle that flows into the sewage draining exit place and drives the whirlpool in 1/16 of the kinergety of the particle that flows into the sewage draining exit place.Popular traditional theory is thought, in the vortex tube that carries out cold and hot gas separation, situation and top example are similar, passive whirlpool gas and poor (add up to utilizable kinergety 15/16) that drive the kinergety of whirlpool gas where to go? this traditional theory thinks that this inquires into the key point of cold and hot gas separation principle in Lan Ke-Hull petty official's effect just, that is, the difference of kinergety will be delivered to from the passive whirlpool that is arranged in inner core in the mode of heat and be positioned at outer field driving whirlpool.Like this, passive whirlpool gas just has become cold airflow, drives whirlpool gas and has then become thermal current! Their energy relationship meets heat conservation law and law of conservation of energy.
Obviously, above-mentioned theory is not directly answered a question from the microscopic nature of fluid temperature (F.T.), and has just provided a general explanation on heat conservation law and this macroscopic aspect of law of conservation of energy.Owing to, also caused utilizing for a long time Lan Ke-Hull petty official's effect to realize that the device that cold and hot gas separates all only is confined to foregoing vortex tube basic structure to not going deep on Lan Ke-Hull petty official's effect microscopic nature understanding.And people also do not know which kind of physical dimension relation can obtain the maximum hot and cold air temperature difference in this structure, do not know that promptly which kind of physical dimension relation can obtain best cold and hot gas separation effect.Yet even for traditional vortex tube basic structure, design variable is also up to more than at least 15, and these variablees each infinite many selections are all arranged.Because the relation between each variable and each variable all is unknown or uncertain for the influence of vortex tube effect basically, so the basic structure of vortex tube device is improved not quite for a long time always.
Especially, traditional vortex tube device all requires the very big Compressed Gas of working pressure, and requiring that Compressed Gas is sprayed into eddy current generation cavity 12 makes it take place to expand at a high speed, then make the gas that expands at a high speed enter the less eddy current of diameter and advance and produce high-speed eddy in the pipe 13, and finally utilize Lan Ke-Hull petty official's effect to realize that cold and hot gas separates.Existing inadequately clearly under the theoretical direction, those skilled in the art generally believe in vortex tube device, eddy current pipe 13 the interior diameter of advancing is unsuitable excessive, because those skilled in the art generally believe, in order to obtain the maximum temperature difference of hot and cold air, eddy current is advanced the ratio (this ratio also is called the draw ratio of vortex tube usually for short) of pipe 13 length and interior diameter should be bigger, and think that further this draw ratio preferably is greater than 10, even greater than 45.That is to say that under the state of state of the art, the technical staff generally believes under can producing eddy current and realizing condition that the inner core eddy current refluxes, eddy current is advanced the length of pipe 13 preferably should be longer, and eddy current advance the interior diameter of pipe 13 preferably should be less.
In addition, the vortex tube of prior art generally all needs using gases compressor or similar device that Compressed Gas is provided.This vortex tube, its total forming apparatus is bigger, exports lessly, and there is bigger limitation in application.Typically, the tiny diameter of commercially available vortex tube is generally about 30 mm, and length is that internal capacity is very little about 300 mm.During work, Compressed Gas sprays in the vortex tube with transonic speed (for example speed between 1/3 Mach～7/8), and the such vortex tube of manufacturer's nominal can be isolated low-60 ℃ the ultralow temperature cold airflow that reaches.But such vortex tube device is owing to need to use a large amount of Compressed Gas, and noise is ear-piercing when therefore working, and energy consumption is high.Further research can be found, owing to this vortex tube internal capacity is very little, when excessive gas enters in the vortex tube, knows from experience the decompression expansion cooling phenomenon that play occurs swashing from the compressed gas that nozzle sprays.This decompression expansion cooling phenomenon is called as a joule Thomson (Joule Thomson) cooling procedure on physics, itself and Lan Ke-Hull petty official's effect there is no inevitable direct relation, but in fact but become a main cause of this class device acquisition cold airflow.
The present inventor recognizes creatively that now existing theoretic the unknown has directly caused the existing following defective of vortex tube ubiquity that cold and hot gas separates that is used for:
1. need using gases compressor or similar device to provide pressure very big Compressed Gas, the rapid expansion of Compressed Gas itself will be lowered the temperature, and noise is big, and efficient is low;
2. the bigger eddy current generation cavity for expansion of compressed gas need to be set, wherein to have only portion gas can tangentially enter the eddy current pipe of advancing and form eddy current, efficient is lower;
3. the vortex tube diameter is too thin, and vortex gas dish is too little, and the time of cold and hot gas separation process is too short, and cold and hot gas separation function can not be given full play to;
4. eddy current stops that the backflow centrum can produce a large amount of unhelpful turbulent flows at the eddy current pipe afterbody of advancing, and reduces unit efficiency;
5. existing vortex tube device structure is unsuitable for making the cold and hot gas fractionation unit of large-scale vortex, the cold and hot gas fractionation unit of vortex of the heavy caliber of the low wind speed of for example big air quantity (more than the hundreds of millimeters of diameter).
The utility model content
The present inventor recognizes, have only and further probe into the mechanism that why hot and cold air can successfully separate in Lan Ke-Hull petty official's effect, just may break through blindly state even some thought yoke of present prior art, contemplate the Lan Ke-Hull petty official's effect of utilizing and realize the device that cold and hot gas separates with brand new.
1845, Britain physicist joule (J. P. Joule) was finished the joule free wxpansion experiment of energy in the famous learning gas, had proposed the principle of " its temperature is changed by the pressure that changes compressible fluid ".The present inventor thinks that the essence of being familiar with Lan Ke-Hull petty official's effect according to this principle is perhaps more helpful to the technical staff.When desirable swirl gas disk (can be called for short the gas dish) is constrained in the space in the cylindrical wall, its diameter just can not be because of the centrifugal force infinite extension, so the gas particle group will rotate the centrifugal force that produces at a high speed and will form the gas pressure that increases in this restricted clearance along the rotation of cylinder inner wall surface.Will make the temperature of the outer gas of eddy current raise with the rising of pressure like this, the temperature of eddy current inner core gas reduces with the reduction of pressure.
By the above-mentioned understanding that the cold and hot gas of vortex is separated as can be known, as long as gas flow is become the eddy airstream of rotation at a high speed, just be expected to from its core to isolate thermal current from its outer part from going out cold airflow by the cold and hot separation effect of vortex.
In addition, the present inventor also recognizes two problems for a gas dish in the space free rotation, first, centrifugal force rotary speed does not in other words need very big, as long as through time enough, gas dish particle just can produce enough influences to gas pressure at the instantaneous velocity that increases through being subjected to centrifugal forces affect behind the certain hour, thereby gas temperature is produced enough influences; The second, the tangential linear velocity of the circumference of rotation does not need very big, as long as the race way diameter of vortex gas dish particle rotation is enough little, can takes place yet and can produce the enough centrifugal force of influence to gas pressure, thereby gas temperature is produced enough influences.
Take all factors into consideration various theories and the present application people's creativeness understanding, the present inventor thinks:
1. might strengthen the effect that cold and hot gas separates by the time that prolongs the eddy current rotation;
2. might strengthen the effect that cold and hot gas separates by the diameter that increases the eddy current rotation;
3. might strengthen the effect that cold and hot gas separates by the diameter that under the tangential linear velocity of same rotation round, shrinks the eddy current rotation.
In addition, the present inventor is fully recognized that, when using the cold and hot gas fractionation unit of vortex, people wish under many circumstances and it can be used as the cold wind generator that changes environment temperature in the daily life, the gas that what wish this moment to obtain is temperature very not low (for example allow pleasant about 20 ℃～30 ℃ temperature of human body sensory), air quantity is big, flow velocity is lower, and also wish the simple structure of the cold and hot gas fractionation unit of this vortex certainly, noise is little, need not to use Compressed Gas.This has just proposed new requirement to the cold and hot gas fractionation unit structure of the vortex that utilizes Lan Ke-Hull petty official effect, particularly in the manufacturing and designing of heavy caliber (reaching more than hundreds of millimeters as diameter) the cold and hot gas fractionation unit of vortex of the low wind speed of big air quantity.
A purpose of the present utility model is intended to overcome at least one defective of prior art, and at least a cold and hot gas fractionation unit of vortex with new structure is provided.
A further purpose of the present utility model aims to provide that air quantity is big, flow velocity is lower and the bore of output gas flow can be made the bigger cold and hot gas fractionation unit of vortex.
Another further purpose of the present utility model is intended to make simple structure, the noise of the cold and hot gas fractionation unit of above-mentioned vortex of the present utility model little and/or Energy Efficiency Ratio is high.
First aspect, the utility model provides a kind of vortex cold and hot gas fractionation unit, comprise: body with circle tube inner wall surface, described circle tube inner wall surface defines cylindrical cavity, described cylindrical cavity along its axis direction have first end and with the described first end second opposed end; Air inlet and stirrer fan device, its first end place at described cylindrical cavity is attached to described body, and described air inlet and stirrer fan device are configured to extraneous gas sucked in the described cylindrical cavity and stir and form along the surface rotation of described circle tube inner wall and first eddy current of advancing towards second end of described cylindrical cavity; The thermal current outlet, it is configured to be positioned at or be close to the edge of second end of described cylindrical cavity, thereby the feasible a part of gas that advances to first eddy current of described thermal current outlet is discharged to outside the described cylindrical cavity through described thermal current outlet; The eddy current reflux, it is configured to be positioned at the second end place of described cylindrical cavity, with second eddy current that the cyclone inner core that becomes to pass first eddy current advances towards first end of described cylindrical cavity that refluxes of the residual gas with the described thermal current outlet of not being discharged from of first eddy current; The cold airflow outlet, its be configured to be positioned at described cylindrical cavity first end the radial center place or be configured to contiguous and around described radial center, the temperature of the gas of discharging from described thermal current outlet is higher than the temperature of the gas of discharging from described cold airflow outlet.
Preferably, described air inlet and stirrer fan device comprise a plurality of air inlets and agitation blades, each described air inlet and agitation blades itself comprise the induction part that is made into one and stir part, described induction part is configured to be suitable for extraneous gas is sucked in the described cylindrical cavity, and gas stirring will form first eddy current in the described cylindrical cavity thereby will be sucked by described stirring part.
Preferably, described air inlet and stirrer fan device comprise: annular element; Be positioned at the central hub of described annular element radially inner side; And a plurality of floors that connect described annular element and described central hub; Wherein said annular element has the central axis identical with described cylindrical cavity with described central hub, space between the annular inner wall of described central hub and described annular element has constituted contiguous and around the described cold airflow outlet of the radial center of first end of described cylindrical cavity, and described a plurality of air inlet and agitation blades all are arranged on the outer circle wall of described annular element.
Preferably, each described floor is configured to the form of exhausting blade, and forming negative pressure at described cold airflow outlet place, thereby the gas of being convenient in second eddy current is discharged from described cold airflow outlet.
Preferably, described air inlet and stirrer fan device also comprise: be arranged on the prime mover outside the described cylindrical cavity; With the fan main shaft, one end of described fan main shaft is connected in described central hub, the other end is connected in the output shaft of described prime mover, thereby make described prime mover rotate, and drive described floor, described annular element and described air inlet and agitation blades rotation by the described central hub of described fan main shaft drives.
Preferably, described prime mover is arranged on the outside of described eddy current reflux along the central axis of described cylindrical cavity, and the center of described eddy current reflux has through hole, therefrom passes for the output shaft or the described fan main shaft of described prime mover.
Preferably, described air inlet and stirrer fan device comprise the supply fan and the disturbance fan of separation, wherein said supply fan comprises a plurality of air inlet blades, described air inlet blade is configured to be suitable for extraneous gas is sucked in the described cylindrical cavity, described disturbance fan comprises a plurality of agitation blades, and described agitation blades is configured to be suitable for stir the gas that sucks in the described cylindrical cavity to form first eddy current.
Preferably, described air inlet and stirrer fan device comprise the supply fan drive and the disturbance fan drive of separation, wherein said supply fan drive is connected to described supply fan, to drive the air inlet blade rotation of described supply fan, described disturbance fan drive is connected to described disturbance fan, rotate with the agitation blades that drives described disturbance fan, and described supply fan drive and described disturbance fan drive the driving belt by separately or chain are connected to prime mover outside separately the body that is arranged on the cold and hot gas fractionation unit of described vortex respectively.
Preferably, described supply fan drive and described disturbance fan drive respectively the rolling bearing by separately be arranged on the base of center; Described center base is fixed in the body of the cold and hot gas fractionation unit of described vortex by the disc support; And the central passage that limits of the annular inner wall surface of described center base has constituted the described cold airflow outlet at the radial center place of first end that is positioned at described cylindrical cavity.
Preferably, described air inlet and stirrer fan device are configured such that the linear velocity of the outer rim that it stirs part or agitation blades is more than 1/8 Mach.
Preferably, described air inlet and stirrer fan device also comprise turnover gas separation cover, described turnover gas is separated cover and is had flow-guiding channel, one end of described flow-guiding channel is arranged to contiguous or the described cold airflow outlet of adjacency, to receive the cold airflow of from described cold airflow outlet, discharging, with the cold and hot gas fractionation unit of the described vortex of its diversion.
Second aspect, the utility model provides a kind of vortex cold and hot gas fractionation unit, comprise: body with circle tube inner wall surface, described circle tube inner wall surface defines cylindrical cavity, described cylindrical cavity along its axis direction have first end and with the described first end second opposed end; Be arranged on described extra-organismal blower fan; Air inlet, it is arranged on the described body and first end of contiguous described cylindrical cavity, the guide duct of described blower fan is connected to described air inlet, and described air inlet is configured to the air-flow of described blower fan output is sprayed in the described cylindrical cavity along the tangential direction of the circumference of described cylindrical cavity basically, forms along the described columnar inner wall surface rotation and first eddy current of advancing towards second end of described cylindrical cavity; The thermal current outlet, it is configured to be positioned at or be close to the edge of second end of described cylindrical cavity, thus the feasible a part of gas that advances to first eddy current of described thermal current outlet is discharged to outside the described cylindrical cavity through described thermal current outlet; The eddy current reflux, it is configured to be positioned at the second end place of described cylindrical cavity, with second eddy current that the cyclone inner core that becomes to pass first eddy current advances towards first end of described cylindrical cavity that refluxes of the residual gas with the described thermal current outlet of not being discharged from of first eddy current; Cold airflow with cold airflow passing away is discharged the center base, it is arranged on the first end place of described cylindrical cavity and extends axially in the described cylindrical cavity along the central axis of described cylindrical cavity, described cold airflow passing away receives second eddy current isolates itself and first eddy current, and the gas of second eddy current is discharged to outside the cold and hot gas fractionation unit of described vortex, the temperature of the gas of discharging from described thermal current outlet is higher than the temperature of the gas of discharging from described cold airflow passing away.
Preferably, the cold and hot gas fractionation unit of described vortex according to the utility model second aspect also comprises the base mounting flange with center through hole, and described cold airflow discharge center base passes the center through hole of described base mounting flange and is fixed on the body of the cold and hot gas fractionation unit of described vortex by described base mounting flange.
Preferably, the cold and hot gas fractionation unit of described vortex according to the utility model second aspect also comprises the whirlwind axle sleeve, described whirlwind axle sleeve be arranged on cold airflow described in the described cylindrical cavity discharge the center base around, and have towards the frustoconical part of the direction convergent of second end of described cylindrical cavity, so that the rotation of first eddy current is guided, reduce the turbulent loss of first eddy current.
Preferably, the maximum gauge place of the frustoconical part of described whirlwind axle sleeve is extended with a cylindrical section shape part, the boundary circumference of described cylindrical shape part and described frustoconical part on the axis direction of described cylindrical cavity with respect to the distance of first end of described cylindrical cavity more than or equal to the circumference of described air inlet ultimate range with respect to first end of described cylindrical cavity, the radius of described boundary circumference is configured such that the extended line and the described boundary circumference of minimum point of described air inlet is tangent basically.
Preferably, the terminal socket of the cylindrical shape of described whirlwind axle sleeve part is fixed on the ring-shaped step that protrudes in the described cylindrical cavity of described base mounting flange, and the central annular distance of described ring-shaped step has constituted the part of the center through hole of described base mounting flange.
Preferably, described whirlwind axle sleeve and described cold airflow are discharged between the base of center and are provided with heat-barrier material, carry out heat with first eddy current to second eddy current in the center through hole of described cold airflow discharge center base and described whirlwind axle sleeve radial outside and isolate.
Preferably, the cold and hot gas fractionation unit of described vortex according to the utility model second aspect also comprises the axial type fairing, it is fixed on described cold airflow and discharges on the end portion that extends into described cylindrical cavity of center base, so that first eddy current through described axial type fairing is carried out rectification, thereby reduce the turbulent loss of first eddy current, and the vortex gas flow at each point place is more even in a circumferential direction to make first eddy current of first eddy current before the rectification after the rectification.
Preferably, the described axial type fairing dish shape member that is configured to spiral, the described dish shape member that spirals has the central annular part, be fixed with the along the circumferential direction equally distributed a plurality of fan-shaped flow deflectors that extend radially outwardly out perpendicular to this external peripheral surface on the external peripheral surface of described central annular part, wherein said a plurality of fan-shaped flow deflectors are configured such that and form the wedge gap that allows air communication to cross between two adjacent described fan-shaped flow deflectors.
Preferably, each described fan-shaped flow deflector size and dimension is all identical; The segment angle of each described fan-shaped flow deflector is all between 40 °～80 °; Adjacent two described fan-shaped flow deflectors at the area of the lap on the axis projection be each described fan-shaped flow deflector area 1/3～2/3 between; The key groove of the tip of each described wedge gap and the spacing at narrow place be configured to help reducing the turbulent loss of first eddy current, and the vortex gas flow at each point place is more even in a circumferential direction to make first eddy current of first eddy current before the rectification after the rectification.
Preferably, each described fan-shaped flow deflector is flat flow deflector or the flow deflector with curved section.
Preferably, described blower fan is a high-speed fan, and the speed of its stable output gas flow can reach more than 1/8 Mach.
The third aspect, the utility model provides a kind of vortex cold and hot gas fractionation unit, comprise: body with circle tube inner wall surface, described circle tube inner wall surface defines cylindrical cavity, described cylindrical cavity along its axis direction have first end and with the described first end second opposed end; Be arranged on described extra-organismal blower fan; End air inlet radome fairing with air inlet, its first end place at described cylindrical cavity is fixed to described body, the guide duct of described blower fan is connected to described air inlet and is injected in the described end air inlet radome fairing with the air-flow with the output of described blower fan, and described end air inlet radome fairing is configured to air-flow with described blower fan output and forms the initial rotation air-flow and it is rectified into along the surface rotation of described circle tube inner wall and first eddy current of advancing towards second end of described cylindrical cavity; The thermal current outlet, it is configured to be positioned at or be close to the edge of second end of described cylindrical cavity, thus the feasible a part of gas that advances to first eddy current of described thermal current outlet is discharged to outside the described cylindrical cavity through described thermal current outlet; The eddy current reflux, it is configured to be positioned at the second end place of described cylindrical cavity, with second eddy current that the cyclone inner core that becomes to pass first eddy current advances towards first end of described cylindrical cavity that refluxes of the residual gas with the described thermal current outlet of not being discharged from of first eddy current; Cold airflow with cold airflow passing away is discharged the center base, it is arranged on the first end place of described cylindrical cavity and axially extends inward in the described cylindrical cavity along the central axis of described cylindrical cavity, axially extend outwardly into outside the described end air inlet radome fairing, described cold airflow passing away receives second eddy current isolates itself and first eddy current, and the gas of second eddy current is discharged to outside the cold and hot gas fractionation unit of described vortex, the temperature of the gas of discharging from described thermal current outlet is higher than the temperature of the gas of discharging from described cold airflow passing away.
Preferably, described end air inlet radome fairing comprises: annular shell wall, be limited with in it than the bigger cavity of cylindrical cavity diameter of the body of the cold and hot gas fractionation unit of described vortex, described cavity has the central axis identical with described cylindrical cavity and directly is communicated with described cylindrical cavity, described air inlet is arranged on the described annular shell wall, and described air inlet is configured to the air-flow of described blower fan output is sprayed in the cavity of described end air inlet radome fairing along the tangential direction of the circumference of the cavity of described end air inlet radome fairing basically, forms the initial rotation air-flow; And fairing radially, it is arranged in the cavity of described end air inlet radome fairing and with the cavity of described end air inlet radome fairing has identical central axis, and described radially fairing is configured to receive the initial rotation air-flow and it is rectified into first eddy current.
Preferably, described end air inlet radome fairing also comprises the base mounting flange with center through hole, described cold airflow is discharged the center base and is passed the center through hole of described base mounting flange and be fixed to the outboard end of the annular shell wall of described end air inlet radome fairing by described base mounting flange, and described radially fairing is fixed on the inner surface of described base mounting flange.
Preferably, described end air inlet radome fairing also comprises end air inlet radome fairing mounting flange, the medial extremity of the annular shell wall of described end air inlet radome fairing is fixed to the outer edge of described end air inlet radome fairing mounting flange, and the ring-shaped step of described end air inlet radome fairing mounting flange is fixed on the outer circle wall of described body at the first end place of described cylindrical cavity.
Preferably, described radially fairing has substrate, on a side surface of described substrate, be fixed with perpendicular to described side surface and along the circumferential direction equally distributed a plurality of shaped form flow deflector, described shaped form flow deflector is configured to described initial rotation air-flow is rectified into first eddy current that rotating diameter dwindles, and not only flow velocity is faster than described initial rotation air-flow to make the eddy current of winning, and turbulent loss is littler, and the vortex gas flow at each point place is more even in a circumferential direction.
Preferably, the wedge gap of the convergent that formation permission air communication is crossed between adjacent two shaped form flow deflectors of described radially fairing, the narrowest place, tip of described wedge gap is configured to basically to form first eddy current along the tangential direction ejection of the circumference of the described cylindrical cavity gas through rectification.
Preferably, each shaped form flow deflector of described radially fairing is provided on the axial direction perpendicular to described substrate has mutually the same axial width, and described axial width is substantially equal to the axial length of the cavity of described end air inlet radome fairing.
Preferably, the central axis of five equilibrium plane on the axial width of described a plurality of shaped form flow deflectors of described radially fairing and described air inlet is in the same plane; And/or the external envelope circumference of the outer rim of the extended line of the minimum point of described air inlet and described a plurality of shaped form flow deflectors is tangent basically; And/or the interior envelope circumference and the described cylindrical cavity of the inner edge of described a plurality of shaped form flow deflectors are concentricity, and diameter is equal to or less than the diameter of described cylindrical cavity.
Preferably, the cross sectional shape along the water conservancy diversion direction of each shaped form flow deflector of described radially fairing is surrounded by inner surface curve, outer surface curve and end connection transition wire and forms, wherein said inner surface curve is formed by one section elliptic curve section, hot this base curves section in one section Vito and one section linear section smooth connection being positioned at air flow outlet, and described outer surface curve forms by one section circular curve section with near one section linear section smooth connection of air flow outlet.
Preferably, the cold and hot gas fractionation unit of described vortex according to the utility model third aspect also comprises the base mounting flange with center through hole, and described cold airflow is discharged the outboard end that the center base passes the center through hole of described base mounting flange and is fixed to the annular shell wall of described end air inlet radome fairing by described base mounting flange; Described radially fairing is fixed on by described substrate in the annular recess on the inner surface of described base mounting flange, and the cup depth of described annular recess is substantially equal to the thickness of described substrate.
Preferably, described blower fan is a high-speed fan, and the speed of its stable output gas flow can reach more than 1/8 Mach.
Fourth aspect, the utility model provides a kind of vortex cold and hot gas fractionation unit, it comprises body, the thermal current outlet, eddy current reflux and cold airflow outlet, wherein said eddy current reflux is configured to have the air-flow focus reflection face of inner sunken face shape, and described thermal current outlet is arranged on the radial outside of air-flow focus reflection face described in the described eddy current reflux, thereby make through the residual gas that is not discharged from of first eddy current of described thermal current outlet when described air-flow focus reflection face is advanced, the cyclone radius shrinks gradually, rotary speed is accelerated gradually, strengthened centrifugal force, and by the cyclone inner core vacuum suction of first eddy current, thereby second eddy current of the cyclone inner core of first eddy current towards first end backflow of described cylindrical cavity passed in formation.
Preferably, the air-flow focus reflection face that described air-flow focus reflection face is the indent parabolic shape, or the air-flow focus reflection face of indent ellipsoidal surface shape, or the air-flow focus reflection face of indent ball face shape.
Preferably, thermal insulation layer is arranged, be subjected to ectocine with the gas flow temperature of avoiding described air-flow focus reflection face place in the arranged outside of described air-flow focus reflection face.
Preferably, also comprise according to the cold and hot gas fractionation unit of described vortex of the utility model fourth aspect extraneous gas is imported the inlet duct that forms first eddy current in the cylindrical cavity in the described body.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, described eddy current reflux is configured to have the air-flow focus reflection face of inner sunken face shape, and described thermal current outlet is arranged on the radial outside of air-flow focus reflection face described in the described eddy current reflux, thereby make through the residual gas that is not discharged from of first eddy current of described thermal current outlet when described air-flow focus reflection face is advanced, the cyclone radius shrinks gradually, rotary speed is accelerated gradually, strengthened centrifugal force, and by the cyclone inner core vacuum suction of first eddy current, thereby second eddy current of the cyclone inner core of first eddy current towards first end backflow of described cylindrical cavity passed in formation.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, the air-flow focus reflection face that described air-flow focus reflection face is the indent parabolic shape, or the air-flow focus reflection face of indent ellipsoidal surface shape, or the air-flow focus reflection face of indent ball face shape.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, thermal insulation layer is arranged in the arranged outside of described air-flow focus reflection face, be subjected to ectocine with the gas flow temperature of avoiding described air-flow focus reflection face place.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, described eddy current reflux is removably installed in the body of the cold and hot gas fractionation unit of described vortex at the second end place of described cylindrical cavity; Described thermal current outlet is made of the ring annular groove on the side of described cylindrical cavity of described eddy current reflux; And have at least one on the radial outer wall of described annular groove and lead to outside opening.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, be provided with the interior valve ring of control thermal current discharge rate in the described annular groove, the periphery of valve ring has towards the frusta-conical surface of the direction convergent of described cylindrical cavity in described, the corresponding frusta-conical surface that stretches in the described annular groove on the end face edge of the frusta-conical surface of valve ring and described body in described defines the aperture of described thermal current outlet jointly, thereby makes it possible to regulate the thermal current capacity by regulating described interior valve ring residing axial location in described annular groove.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, described eddy current reflux is fixed in the body of the cold and hot gas fractionation unit of described vortex at the second end place of described cylindrical cavity, perhaps, described eddy current reflux is that the body of the cold and hot gas fractionation unit of described vortex continues extended monoblock type part at the second end place of described cylindrical cavity.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, described thermal current outlet is made of at least one opening on the described eddy current reflux.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, the cold and hot gas fractionation unit of described vortex also comprises the valve block device that is used to regulate the thermal current capacity, described valve block device comprises handwheel, the body of rod, be fixed in the screw seat in the outside of described eddy current reflux, and valve claw component with at least one valve pawl, the wherein said body of rod is forming spiro rod section near on the section of one end, the part of described spiro rod section operationally screws in and is fixed in the described screw seat, and the other end of the described body of rod is fixed on the described handwheel; One end of described valve claw component is connected to the described handwheel or the described body of rod, makes that described valve claw component can be with described handwheel and described body of rod axially-movable, but does not rotate with the described handwheel and the described body of rod; The end of each described valve pawl is provided with valve block, and the spacing of described at least one opening on described valve block and the described eddy current reflux defines the aperture of described thermal current outlet, thereby makes it possible to regulate the thermal current capacity by described valve block device.
In according to the cold and hot gas fractionation unit of the vortex of the utility model various aspects, preferably, body at the cold and hot gas fractionation unit of described vortex is outside equipped with heat radiation or cooling device, with the cooler body wall, thereby conduct the thermal current that cools off along the rotation of the circle tube inner wall of described body surface by the heat of described body wall; Perhaps the body at the cold and hot gas fractionation unit of described vortex is outside equipped with heat-proof device, reducing the body wall heat leakage of environment towards periphery, thereby reduces along the thermal current of the circle tube inner wall surface rotation of the described body heat leakage of environment towards periphery; Perhaps the body at the cold and hot gas fractionation unit of described vortex is outside equipped with heat insulation cooling multiplexed device, but it can be become to be used for the cooler body wall by operation setting, thereby conduct the thermal current that cools off along the circle tube inner wall surface rotation of described body by the heat of described body wall, or be used for reducing the body wall heat leakage of environment towards periphery, thereby reduce along the thermal current of the circle tube inner wall surface rotation of the described body heat leakage of environment towards periphery.
To the utility model detailed description of preferred embodiment and in conjunction with the accompanying drawings, those skilled in the art will understand above-mentioned and other purposes, advantage and feature of the present utility model more according to hereinafter.
Description of drawings
Hereinafter will be described in detail preferred embodiment of the present utility model with reference to accompanying drawing and in exemplary and nonrestrictive mode, identical Reference numeral has indicated identical or similar parts or part in the accompanying drawing, and these accompanying drawings may not be drawn in proportion.In the accompanying drawing:
Fig. 1 is that the Lan Ke-Hull petty official's effect of utilizing of prior art is carried out the schematic diagram of the vortex tube of cold and hot gas separation;
Fig. 2 is the schematic side elevation according to the cold and hot gas fractionation unit of vortex of the utility model first embodiment;
Fig. 3 is the schematic cross sectional views of obtaining along the cutting line A-A among Fig. 2 according to the cold and hot gas fractionation unit of vortex of the utility model first embodiment;
Fig. 4 and Fig. 5 are respectively the schematic, exploded perspective view from the cold and hot gas fractionation unit of Fig. 2 vortex of different view;
Fig. 6 is the schematic cross sectional views according to the cold and hot gas fractionation unit of vortex of the modification of the utility model first embodiment, wherein show the gas flow process in the cold and hot gas fractionation unit of this vortex, and the air-flow focus reflection face of the cold and hot gas fractionation unit of this vortex is an indent ball face shape;
Fig. 7 is the schematic cross sectional views according to the cold and hot gas fractionation unit of vortex of another modification of the utility model first embodiment, and wherein the air-flow focus reflection face of the cold and hot gas fractionation unit of this vortex is an indent ellipsoidal surface shape;
Fig. 8 is the schematic cross sectional views according to the cold and hot gas fractionation unit of vortex of the utility model second embodiment;
Fig. 9 is the schematic end of the cold and hot gas fractionation unit of vortex observed along direction shown in the arrow B among Fig. 8, wherein also shows extra-organismal two prime mover independently that are arranged on the cold and hot gas fractionation unit of vortex;
Figure 10 is the show in schematic partial sections of the cold and hot gas fractionation unit of Fig. 8 vortex, wherein shows the thermal current outlet of the cold and hot gas fractionation unit of this vortex and near the gas flow paths the eddy current reflux;
Figure 11 is the schematic end along the cold and hot gas fractionation unit of vortex of the observation of direction shown in the arrow C among Fig. 8;
Figure 12 is the schematic cross sectional views according to the cold and hot gas fractionation unit of vortex of the utility model the 3rd embodiment;
Figure 13 is the eddy current forming process schematic diagram of the cold and hot gas fractionation unit of Figure 12 vortex;
Figure 14 is the schematic cross sectional views of the cold and hot gas fractionation unit of Figure 12 vortex, wherein shows the gas flow process in the cold and hot gas fractionation unit of this vortex, and for clarity sake, has omitted the hatching of preferred heat-barrier material in the whirlwind axle sleeve among this figure;
Figure 15 is the show in schematic partial sections according to the cold and hot gas fractionation unit of vortex of the modification of the utility model the 3rd embodiment, wherein the cold and hot gas fractionation unit of this vortex has been set up an axial type fairing, and also shows the extra-organismal blower fan that is arranged on the cold and hot gas fractionation unit of vortex among this figure;
Figure 16 is the perspective schematic view of the used axial type fairing of the cold and hot gas fractionation unit of Figure 15 vortex;
Figure 17 is the schematic side elevation of the used axial type fairing of the cold and hot gas fractionation unit of Figure 15 vortex;
Figure 18 is the schematic end of the used axial type fairing of the cold and hot gas fractionation unit of Figure 15 vortex;
Figure 19 is the schematic 1/2 girth plane outspread drawing of the used axial type fairing of the cold and hot gas fractionation unit of Figure 15 vortex;
Figure 20 is the schematic cross sectional views according to the cold and hot gas fractionation unit of vortex of the utility model the 4th embodiment;
Figure 21 is the perspective schematic view of the used radial fairing of the cold and hot gas fractionation unit of Figure 20 vortex;
Figure 22 is that the eddy current of the cold and hot gas fractionation unit of Figure 20 vortex forms and switching process schematic diagram radially;
Figure 23 is the schematic plan view of the used radial fairing of the cold and hot gas fractionation unit of Figure 20 vortex;
Figure 24 is the schematic plan view of the another kind of radial fairing that can use of the cold and hot gas fractionation unit of Figure 20 vortex;
Figure 25 is the schematic, exploded perspective view of the cold and hot gas fractionation unit of Figure 20 vortex;
Figure 26 is the perspective schematic view of assembling the cold and hot gas fractionation unit of finishing of Figure 20 vortex;
Figure 27 is the schematic cross sectional views according to the cold and hot gas fractionation unit of vortex of the modification of the utility model the 4th embodiment, and air-flow focus reflection face wherein is an indent ball face shape;
Figure 28 is the schematic cross sectional views that is similar to the cold and hot gas fractionation unit of vortex of Figure 27, but air-flow focus reflection face wherein is an indent ellipsoidal surface shape;
Figure 29 is the schematic cross sectional views that is similar to the cold and hot gas fractionation unit of vortex of Figure 27, but air-flow focus reflection face wherein is the indent parabolic shape;
Figure 30 is the schematic part decomposition diagram (because air-flow focus reflection face is invisible in Figure 30, so can only come the similar cold and hot gas fractionation unit of vortex among the presentation graphs 27-29 with this figure) of the cold and hot gas fractionation unit of vortex of Figure 27-29.
The specific embodiment
Referring to Fig. 2-5, wherein show schematic side elevation, cutaway view according to the cold and hot gas fractionation unit 100 of vortex of the utility model first embodiment and the schematic, exploded perspective view of observing respectively from two different visual angles.Fig. 6 and Fig. 7 are the schematic cross sectional views according to cold and hot gas fractionation unit 100' of the vortex of the modification of the utility model first embodiment and 100'', have wherein used difform air-flow focus reflection face.
Shown in Fig. 2-7, consider from operation mechanism, comprise body 110, air inlet and stirrer fan device 120, thermal current outlet 130, eddy current reflux 140 and cold airflow outlet 150 according to the cold and hot gas fractionation unit 100 of the vortex of the utility model first embodiment.
Air inlet and stirrer fan device 120 are attached to body 110 at first end, 113 places of described cylindrical cavity 112, and be configured to extraneous gas is sucked in the cylindrical cavity 112, stir to form along 111 rotations of circle tube inner wall surface and first eddy current of advancing towards second end 114 of cylindrical cavity 112.
Thermal current outlet 130 is configured to 115 places, edge of second end 114 of contiguous described cylindrical cavity 112, thereby the feasible a part of gas that advances to first eddy current of thermal current outlet 130 is discharged to outside the cylindrical cavity 112 through thermal current outlet 130.Be arranged so that preferably near the thermal current outlet 130 that thermal current discharged by slyness smooth-goingly, so that reduce turbulent loss.
Eddy current reflux 140 is configured to be positioned at second end, 114 places of cylindrical cavity 112, is reflected into second eddy current that the cyclone inner core that passes first eddy current refluxes towards first end 113 of cylindrical cavity 112 with the residual gas that is not discharged from thermal current outlet 130 with first eddy current.
In first embodiment of the present utility model, air inlet and stirrer fan device 120 preferably include a plurality of air inlets and agitation blades 121.Each air inlet and agitation blades 121 itself comprise the induction part 122 that is made into one and stir part 123, wherein induction part 122 is configured to be suitable for extraneous gas is sucked in the cylindrical cavity 112, thereby the gas stirring that will be sucked in the cylindrical cavity 112 by stirring part 123 becomes first eddy current.Air inlet and the agitation blades 121 preferred antirust light alloy materials of high strength heat resistant that use are made, for example high-strength aluminum alloy or titanium steel.For further reaching powerful swirling air stream generation effect, air inlet and agitation blades 121 can be made longer, and the circle tube inner wall surface 111 of the cold and hot gas fractionation unit 100 of vortex can be made slightly very little tapering (for example less than 1 ° or 0.5 ° or littler), this air inlet and agitation blades 121 is complementary with the circle tube inner wall surface 111 of tapering slightly, plays the effect of swirling air stream speedup density.During the concrete shape of design air inlet and agitation blades 121, the suction of gas and the flow of discharge needn't be too big.
More specifically, air inlet and stirrer fan device 120 also preferably include annular element 124, are positioned at the central hub 125 of annular element 124 radially inner sides and a plurality of floors 126 that connect annular element 124 and central hub 125.Annular element 124 preferably has identical central axis with cylindrical cavity 112 with central hub 125.Space between the annular inner wall of central hub 125 and annular element 124 has constituted the cold airflow outlet 150 of the cold and hot gas fractionation unit 100 of vortex.And a plurality of air inlets and agitation blades 121 all are arranged on the outer circle wall of annular element 124.
More preferably, each floor 126 is configured to the form of exhausting blade, and forming certain negative pressure at cold airflow outlet 130 places, thereby the gas of being convenient in second eddy current is discharged from cold airflow outlet 130.The negative pressure that is formed by exhausting blade is unsuitable excessive herein, can be convenient to gas in second eddy current and discharge from cold airflow outlet 130 and get final product, and can not first eddy current in the cylindrical cavity 112 be impacted.
All can recognize as those skilled in the art, air inlet and stirrer fan device 120 also can comprise prime mover 128, motor preferably, more preferably be that output speed can reach the above high-speed motor of 10000 rpm, and its rotating speed preferably can regulate, temperature and the flow of the cold wind stream of discharging with control.In first embodiment of the present utility model, prime mover 128 is arranged on outside the cylindrical cavity 112, its output shaft drives central hub 125 rotations by the fan main shaft 127 of air inlet and stirrer fan device 120, and drives floor 126, annular element 124 and air inlet and agitation blades 121 rotations.More specifically, prime mover 128 can be arranged on the outside of eddy current reflux 140 along the central axis of cylindrical cavity 112.In the case, the center of eddy current reflux 140 should be provided with a through hole 141, is connected to central hub 125 thereby therefrom pass for the output shaft of prime mover 128 or fan main shaft 127.At this, those skilled in the art also will be appreciated that, 125 the transmission and further also other forms can be arranged from prime mover 128 to central hub to the transmission of air inlet and agitation blades 121, for example a kind of more complicated situation is that 127 on output shaft of prime mover 128 and fan main shaft also can have gear (for example gear shift or belt pulley speed changing structure or the like).
The selection of the gear ratio (if having intermediate transmission mechanism) of prime mover 128 rotating speeds and intermediate transmission mechanism will determine air inlet and agitation blades 121 rotational angular, and the radius of gyration of air inlet and agitation blades 121 has determined leaf line speed when air inlet and agitation blades are in specific angle speed, and to be that the concrete requirement of using of well known to those skilled in the art and easy basis is concrete select and rotating speed, the gear ratio of intermediate transmission mechanism and the radius of gyration of air inlet and agitation blades 121 of design prime mover for this.In embodiment more of the present utility model, especially, these selections and design should make the stirring part of air inlet and stirrer fan device or agitation blades outer rim linear velocity more than 1/8 Mach (in fact, this speed is substantially equal to the linear velocity of the gas dish outer rim of formed first eddy current, the linear velocity of the eddy current gas dish outer rim in the restricted clearance also is called the linear velocity of eddy current usually for short), for example can be 1/7 Mach particularly, 1/6 Mach, 1/5 Mach, 1/4 Mach, 1/3 Mach, 1/2 Mach, 1/2,2/3 Mach, 3/4 Mach, 4/5 Mach, 5/6 Mach, 6/7 Mach, 7/8 Mach, even mach one or, and the arbitrary concrete numerical value between above-mentioned any two numerical points that provide or interval arbitrarily greater than mach one.Again for example, qualitatively but not accurately, can think in device of the present utility model, the linear velocity of first eddy current is during near mach one, the cold airflow that obtains can reduce by 60 ℃ with respect to the charge air flow temperature, and square roughly being directly proportional of the linear velocity of the effect that cold and hot gas separates and first eddy current, so for example when the linear velocity of first eddy current is 1/3 Mach, can expect to obtain having reduced about 6 ℃-7 ℃ cold airflow with respect to the charge air flow temperature.It is emphasized that at this above numerical value and qualitative relationships are not as known in the art, but find and creatively design after present inventor's heightened awareness Lan Ke-Hull petty official's effect.So, in each preferred embodiment of the present utility model, do not use the Compressed Gas of high pressure as gas source, do not emphasize to spray into the pressure of gas yet, but emphasize the centrifugal force that eddy current rotates, and the linear velocity of rotating with eddy current then and reducible cold airflow temperature are designed the cold and hot gas fractionation unit of vortex of brand new as a design basis.According to the cold and hot gas fractionation unit of vortex of the present utility model, the diameter of cylindrical cavity 112 can be up to for example 100 mm, 200 mm, 300 mm, 400 mm, 500 mm, 1 m, 2 m even bigger, and help satisfying big air quantity, low wind speed, bigbore application demand.
In first embodiment of the present utility model, air inlet and stirrer fan device 120 also can comprise turnover gas separation cover 160.Turnover gas is separated cover 160 and is had flow-guiding channel 161, the one end is configured to contiguous or in abutting connection with cold airflow outlet 150, to receive the cold airflow of from cold airflow outlet 150, discharging, its delivery is arrived away from a distance outside the cylindrical cavity 112, be about to cold airflow and finally be discharged to and dispose outside the cold and hot gas fractionation unit 100 of vortex or utilize, the cold airflow of avoiding discharging is sucked the cold and hot gas fractionation unit 100 of vortex again.Therefore, consider that the flow-guiding channel 161 that also turnover gas can be separated cover 160 is considered as the part of cold airflow outlet 150 from cold airflow discharge function aspect.In addition, those skilled in the art can recognize all that also the end openings that this turnover gas is separated cover can be configured to toroidal or other any suitable shapes or have adapter coupling, are beneficial to the diffusion of cold airflow or collect utilization; And can pass in and out the members such as some ribs of flow-guiding channel barrel outer setting, floor and/or annular ring that the gas separation is covered at this, make turnover gas separate cover 160 and also be used as the air inlet of air inlet and stirrer fan device 120 and the protective cover and/or the functions such as air inlet kuppe and/or cold airflow discharge kuppe of agitation blades 121 simultaneously.The setting of these additional member is that those skilled in the art can both easily understand and implement, and this this paper is repeated no more.
Especially, in each preferred embodiment of the present utility model, eddy current reflux 140 preferably is configured to have the air-flow focus reflection face 142(of indent parabolic shape for example can be referring to Fig. 8, Figure 12, Figure 20), or the air-flow focus reflection face 142(of indent ellipsoidal surface shape for example can be referring to Fig. 7), or the air-flow focus reflection face 142(of indent ball face shape for example can be referring to Fig. 3, Fig. 6), and thermal current outlet 130 is arranged on the radial outside of reflecting surface 142 described in the eddy current reflux 140, thereby make through the residual gas that is not discharged from of first eddy current of overfire air stream outlet 130 when air-flow focus reflection face 142 is advanced, the cyclone radius shrinks gradually, rotary speed is accelerated gradually, strengthened centrifugal force, and by the cyclone inner core vacuum suction of first eddy current, thereby second eddy current of the cyclone inner core of first eddy current towards first end, 113 backflows of cylindrical cavity 112 passed in formation.In light of the disclosure herein, those skilled in the art it should be understood that also the eddy current reflux 140 in the utility model also can adopt and has the air-flow focus reflection face of inner sunken face shape that reflection that other can be by eddy current is pooled to eddy current the core (being the part of in-core in the cyclone of first eddy current around the central axis of cylindrical cavity 112) of the cylindrical cavity 112 of the cold and hot gas fractionation unit 100 of vortex.The diameter of the cyclone inner core of first eddy current for example generally be no more than cylindrical cavity 112 interior diameter 3/4 or 2/3 or 1/2 or 1/3 or 1/4 or the like.
Preferably, in each preferred embodiment of the present utility model, here for example referring to first embodiment shown in Figure 3, wherein, eddy current reflux 140 is removably installed in the body 110 of the cold and hot gas fractionation unit of vortex at second end, 114 places of cylindrical cavity 112.Thermal current outlet 130 preferably is made of the ring annular groove 143 on that side of cylindrical cavity 112 of eddy current reflux 140.Have at least one on the radial outer wall of described annular groove 143 and lead to outside opening 144.Be provided with the interior valve ring 132 of control thermal current discharge rate in the annular groove 143.The periphery of interior valve ring 132 has towards the frusta-conical surface of the direction convergent of cylindrical cavity 112, the corresponding frusta-conical surface that stretches on the end face edge 115 of this frusta-conical surface and body 110 in the annular groove 143 defines the aperture of thermal current outlet 130 jointly, thereby makes it possible to regulate the thermal current capacity by regulating described interior valve ring residing axial location in described annular groove.For example, as shown in Figure 4, preferably can extend each equally distributed in a circumferential direction roofbolt on the ring body of interior valve ring 132, the extensible through hole that passes on the case cover that reflects reflux 140 of these roofbolts, thereby the axial location of valve ring 132 in being convenient to regulate in every way.Regulate this in the concrete technology of valve ring 132 axial locations itself be that those skilled in the art know and realize easily (for example engage thread, tight fit mode or the like) repeating no more here.
Preferably, in each preferred embodiment of the present utility model, being outside equipped with the device 170(that is used to dispel the heat or cools off at the body 110 of the cold and hot gas fractionation unit of vortex for example can water cooling interlayer water tank), with the cooler body wall, thereby conduct the thermal current that cools off along 111 rotations of the circle tube inner wall of body 110 surface by the heat of body wall; Perhaps alternatively, be outside equipped with at the body 110 of the cold and hot gas fractionation unit of vortex that to be used for heat insulation device 170(for example can be the vacuum interlayer wall that vacuumizes), reducing the body wall heat leakage of environment towards periphery, thereby reduce along the thermal current of circle tube inner wall surface 111 rotations of body 110 heat leakage of environment towards periphery; Perhaps alternatively, being outside equipped with the device 170(with heat insulation cooling multiplexed function at the body 110 of the cold and hot gas fractionation unit of vortex for example can be the interlayer wall that not only had been suitable for vacuumizing but also being suitable for injecting cooling water or other cooling mediums, the user can select its concrete function as required), but it can be become to be used for the cooler body wall by operation setting, thereby conduct the thermal current that cools off along 111 rotations of the circle tube inner wall of body 110 surface by the heat of body wall, thereby or be used for reducing body wall towards periphery the heat leakage of environment reduce along the thermal current of circle tube inner wall surface 111 rotations of body 110 heat leakage of environment towards periphery.
Fig. 8-11 shows the various explanatory views according to the cold and hot gas fractionation unit 200 of vortex of the utility model second embodiment.
Shown in Fig. 8-11, comprise body 110, air inlet and stirrer fan device 120, thermal current outlet 130, eddy current reflux 140 and cold airflow outlet 150 equally according to the cold and hot gas fractionation unit 200 of the vortex of the utility model second embodiment.
Be that with the main difference of first embodiment shown in Fig. 2-7 in according to the cold and hot gas fractionation unit 200 of the vortex of the utility model second embodiment, air inlet and stirrer fan device 120 comprise the supply fan 210 and the disturbance fan 220 of separation.Supply fan 210 comprises a plurality of air inlet blades 211, and it is configured to be suitable for extraneous gas is sucked in the cylindrical cavity 112.Disturbance fan 220 comprises a plurality of agitation blades 221.Its gas stirring that is configured to be suitable for sucking in the cylindrical cavity 112 becomes first eddy current.Identical with the principle of discussing among first embodiment, when the concrete shape of design air inlet blade 211 and agitation blades 221, the flow that the gas of air inlet blade 211 sucks and discharges needn't be too big, but allow agitation blades 221 have strong agitation and become the whirlpool effect, therefore 211 decision design of air inlet blade is shorter, and agitation blades 221 decision design is longer.Air inlet blade 211 can adopt identical or different materials to make with agitation blades 221, for example all adopt the antirust light alloy material of high strength heat resistant of the same race to make (for example all adopting one of high-strength aluminum alloy or titanium steel to make), perhaps adopt the antirust light alloy material of different high strength heat resistants to make (for example air inlet blade 211 adopts high-strength aluminum alloy to make, and agitation blades 221 adopts titanium steel to make); Perhaps, air inlet blade 211 adopts the material of regular tenacity to make, and agitation blades 221 adopts the antirust light alloy material of high strength heat resistant to make.Supply fan 210 is preferred respectively by supply fan drive 212 that separates and 222 drivings of disturbance fan drive with disturbance fan 220.Now referring to Fig. 8 and Fig. 9, wherein as can be seen supply fan drive 212 and disturbance fan drive 222 driving belt by separately or chain 213 and 223 are connected to prime mover 214 and 224 outside separately the body 110 that is arranged on the cold and hot gas fractionation unit 200 of vortex respectively.This set makes supply fan 210 and disturbance fan 220 to be independently controlled, and has greater flexibility on using.Also show the base 270 that the cold and hot gas fractionation unit 200 of vortex can have in Fig. 9, being used to of the cold and hot gas fractionation unit 200 of vortex dispels the heat or the device 170 that cools off or body 110 and prime mover 214 and 224 etc. all are fixed on this base 270.
More specifically, in second embodiment of the present utility model, supply fan drive 212 and disturbance fan drive 222 rolling bearing 215 and 225 by separately respectively are arranged on the center base 230.Center base 230 is fixed on the body 110 of the cold and hot gas fractionation unit 200 of vortex by disc support 231.The central passage that the annular inner wall surface of center base 230 limits has constituted the cold airflow outlet 150 at the radial center place of first end 113 that is positioned at cylindrical cavity 112.
Be with another main difference of first embodiment shown in Fig. 2-7, in according to the cold and hot gas fractionation unit 200 of the vortex of the utility model second embodiment, eddy current reflux 140 is the bodies 110 that are fixed in the cold and hot gas fractionation unit 200 of vortex at second end, 114 places of cylindrical cavity 112; Perhaps, eddy current reflux 140 is that the body 110 of the cold and hot gas fractionation unit 200 of vortex continues an extended monoblock type part at second end, 114 places of cylindrical cavity 112.In this scheme, thermal current outlet 130 preferably is made of at least one opening at the edge at second end, 114 places of cylindrical cavity 112 of the contiguous body 110 on the eddy current reflux 140.Described at least one opening is preferably equally distributed in a circumferential direction a plurality of openings, for example more than 3, or more than 4, or more than 5, or more than 6, or more than 7, or more than 8, or more than 9, or more than 10, be 8 in the example of Fig. 8.
For adapting to this new form of thermal current outlet 130, the corresponding adjusting device that has adopted the adjusting thermal current capacity of another kind of form in according to the cold and hot gas fractionation unit 200 of the vortex of the utility model second embodiment, it comprises the valve block device 240 that is used to regulate the thermal current capacity.Described valve block device 240 can comprise handwheel 241, the body of rod 242, screw seat 244, valve claw component 245.
The body of rod 242 is being shaped on screw thread near on the section of one end, forms spiro rod section 243.The part of spiro rod section 243 operationally screws in the screw seat 244 that is fixed in eddy current reflux 140 outsides.The other end of the body of rod 242 is fixed on the handwheel 241, preferably is fixed in the connecting portion of protrusion of handwheel 241.
One end of valve claw component 245 is connected to the handwheel 241 or the body of rod 242, and connected mode should make that preferably valve claw component 245 can be with handwheel 241 and the body of rod 242 axially-movables, but does not rotate with the handwheel 241 and the body of rod 242.Particularly, for example, can form the step section that a diameter increases at the position of the close spiro rod section 243 of the body of rod 242, the body of rod 242 is the polished rod section in the side in contrast to spiro rod section of step section, and the end of polished rod section is fixed in the fixing hole in the connecting portion of protrusion of handwheel 241; And valve claw component 245 by the central through hole matched in clearance on its end plate be enclosed within on the polished rod section between the connecting portion of protrusion of the step section of the body of rod 242 and handwheel 241 (obviously, the diameter of end plate central through hole is preferably greater than the diameter of polished rod section, but the diameter less than the connecting portion of the protrusion of the diameter of step section and handwheel 241), and the spacing between the connecting portion of the step section of the assurance body of rod 242 and the protrusion of handwheel 241 equals or is slightly larger than the end plate thickness of valve claw component 245 substantially, so just can make that valve claw component 245 can be with handwheel 241 and the body of rod 242 axially-movables, but not rotate (temporarily having ignored the influence of frictional force here) basically with the handwheel 241 and the body of rod 242.
The other end of valve claw component 245 extends at least one valve pawl, and its quantity is preferably identical with the open amount that constitutes thermal current outlet 130, and the end of each valve pawl 245 is provided with corresponding valve block 246.
Because the spacing of the opening on valve block 246 and the eddy current reflux defines the aperture of thermal current outlet 130, thereby the degree of depth that can come adjusting screw(rod) section 243 to screw in the screw seat 244 by the handwheel 241 that rotates this valve block device, with adjusting valve block 246 residing axial locations, thereby the purpose (promptly having realized regulating the purpose of thermal current capacity) of thermal current outlet 130 apertures is regulated in realization.
In addition, valve block device 240 also can comprise a bonnet flange 247 that has some through holes, and it is between handwheel 241 and valve pawl 245.Bonnet flange 247 is fixed to body 110 directly or indirectly, preferably directly is fixed to the extension of the device 170 that is used to dispel the heat or cools off, and is fixed to body 110 then indirectly.Heat eddy current reflux 140 irrelevantly for fear of the thermal current of discharging, a thermal current preferably can also be set discharge cage 248.The thermal current of tubular is discharged the outside that cage 248 is arranged on eddy current reflux 140.Especially, the tail end of discharging cage 248 at thermal current has the gap slot 249 that is slidingly matched with the valve pawl, the rotation (for example frictional force may cause valve claw component 245 that little rotation trend is arranged) that may occur with limiting valve claw component 245, there is relative consistent angle the covering position of maintaining valve pawl and thermal current outlet 130 (for ease of understanding, can wherein show gap slot 249 significantly simultaneously with reference to Figure 25).Those skilled in the art can recognize that all the device that is used to regulate the thermal current capacity can also have a variety of other forms, enumerates no longer one by one at this.
In according to the cold and hot gas fractionation unit 200 of the vortex of the utility model second embodiment, also can be supply fan 210 an independently protective cover 260 is set, thereby, as shown in Figure 8, on the turnover gas of the cold and hot gas fractionation unit 200 of the vortex separation cover 160 members such as rib, floor and/or annular ring are not set.These structures all are that those skilled in the art know or understand easily and realize, do not repeat them here.
Figure 12-14 shows the various explanatory views according to the cold and hot gas fractionation unit 300 of vortex of the utility model the 3rd embodiment.
Shown in Figure 12-14, according to the cold and hot gas fractionation unit 300 of the vortex of the utility model the 3rd embodiment comprise body 110, be arranged among described extra-organismal blower fan 310(Figure 12 not shown, can be referring to Figure 13 or Figure 15), the cold airflow that is arranged on air inlet 320, thermal current outlet 130, the eddy current reflux 140 on the body 110 and has a cold airflow passing away discharges center base 330.Used blower fan 310 high-speed fan preferably in the utility model, the speed of its stable output gas flow can reach more than 1/8 Mach, for example can be 1/7 Mach, 1/6 Mach, 1/5 Mach, 1/4 Mach, 1/3 Mach, 1/2 Mach, 1/2,2/3 Mach, 3/4 Mach, 4/5 Mach, 5/6 Mach, 6/7 Mach, 7/8 Mach even mach one particularly or greater than mach one, and the arbitrary concrete numerical value between above-mentioned any two numerical points that provide or interval arbitrarily.
Be similar to first and second embodiment, the body 110 of the cold and hot gas fractionation unit 300 of vortex also has circle tube inner wall surface 111, and it defines cylindrical cavity 112.Cylindrical cavity 112 along its axis direction have first end 113 and with the described first end second opposed end 114.And as can clearly be seen that among Figure 12, basic identical among thermal current outlet 130 among the utility model the 3rd embodiment and eddy current reflux 140 and the utility model second embodiment.In addition, all can recognize as those skilled in the art, the thermal current outlet 130 among the utility model the 3rd embodiment and eddy current reflux 140 also can adopt with the utility model first embodiment in identical form.For the purpose of clear and concise, will not give unnecessary details these identical or similar parts or parts at this, they all are to understand easily according to the description of preamble.
The cold and hot gas fractionation unit 300 of the vortex of the utility model the 3rd embodiment is that with the main distinction of the utility model first and second embodiment 100 and 200 generation type of the intake method and first eddy current is different.
Particularly, in the cold and hot gas fractionation unit 300 of vortex, first end, 113 places of contiguous cylindrical cavity 112 are provided with air inlet 320 on the body 110.The guide duct 311 of blower fan 310 is connected to air inlet 320.Air inlet 320 is configured to the air-flow of blower fan 310 output is sprayed in the cylindrical cavity 112 along the tangential direction of the circumference of cylindrical cavity 112 basically, so that form along columnar inner wall surface 111 rotations and first eddy current of advancing towards second end 114 of cylindrical cavity 112.
In addition, the cold and hot gas fractionation unit 300 of vortex comprises cold airflow discharge center base 330, and it has cold airflow passing away 331.Cold airflow is discharged first end, 113 places that center base 330 is arranged on cylindrical cavity 112, and extends axially in the cylindrical cavity along the central axis of cylindrical cavity 112.Cold airflow passing away 331 receives second eddy current isolates itself and first eddy current, and the gas of second eddy current is discharged to outside the cold and hot gas fractionation unit 300 of vortex.
Preferably, the cold and hot gas fractionation unit 300 of vortex also comprises the base mounting flange 332 with center through hole.Described cold airflow discharge center base 330 passes the center through hole of base mounting flange 332 and is fixed to by base mounting flange 332 on the body 110 of the cold and hot gas fractionation unit 300 of vortex.
Especially, the cold and hot gas fractionation unit 300 of vortex preferably also comprises whirlwind axle sleeve 340, its be arranged on cold airflow in the cylindrical cavity 112 discharge center base 330 around, and have towards the frustoconical part 341 of the direction convergent of second end 114 of cylindrical cavity 112, so that the rotation of first eddy current is guided, reduce the turbulent loss of first eddy current.The maximum gauge place of the frustoconical part 341 of whirlwind axle sleeve 340 is extended with a cylindrical section shape part 342.The boundary circumference of described cylindrical shape part 342 and described frustoconical part 341 is preferably greater than with respect to the distance of cylindrical cavity 112 first ends 113 on the axis direction of cylindrical cavity 112 or equals the ultimate range of the circumference of air inlet 320 with respect to cylindrical cavity 112 first ends 113.In a preferred embodiment of the present utility model, air inlet 320 can be near the inner surface setting of base mounting flange 332.And the radius of described boundary circumference can be configured such that preferably the extended line and the described boundary circumference of minimum point of described air inlet is tangent basically.The terminal preferred socket of the cylindrical shape part 342 of whirlwind axle sleeve 340 is fixed on the ring-shaped step 333 that protrudes in the cylindrical cavity 112 of base mounting flange 332.The central annular distance of ring-shaped step 333 has constituted the part of the center through hole of base mounting flange 332, and cold airflow is discharged center base 330 and therefrom passed.
More preferably, can in the space between whirlwind axle sleeve 340 and the cold airflow discharge center base 330, heat-barrier material (for example porous heat insulation material or fiber-like heat-barrier material etc.) be set, carry out heat with first eddy current and isolate second eddy current in the center through hole of cold airflow discharge center base 330 and whirlwind axle sleeve 340 radial outsides.
Figure 15 is the show in schematic partial sections according to the cold and hot gas fractionation unit 300' of vortex of the modification of the utility model the 3rd embodiment, wherein the cold and hot gas fractionation unit 300' of vortex has set up an axial type fairing 350, it is fixed on cold airflow and discharges on the end portion that extends into cylindrical cavity 112 of center base 330, so that first eddy current through axial type fairing 350 is carried out rectification, thereby reduce the turbulent loss of first eddy current, and the vortex gas flow at each point place is more even in a circumferential direction to make first eddy current of first eddy current before the rectification after the rectification.
Figure 16-19 shows the various more detailed explanatory view of the used axial type fairing 350 of the cold and hot gas fractionation unit 300' of vortex.
Shown in Figure 16-19, axial type fairing 350 is the dish shape member that spirals, it has central annular part 351, is fixed with the along the circumferential direction equally distributed a plurality of fan-shaped flow deflectors 352 that extend radially outwardly out perpendicular to this external peripheral surface on its external peripheral surface.Described a plurality of fan-shaped flow deflector 352 is configured such that the gap of the approximate wedge shape that formation permission air communication is crossed between two adjacent fan-shaped flow deflectors.After spraying through these wedge gaps, first eddy current promptly formed first eddy current through over commutation.
Preferably, the size and dimension of each fan-shaped flow deflector 352 is all identical.The segment angle of each fan-shaped flow deflector 352 preferably between 40 °～80 °, for example is all 60 °.The area of the lap of adjacent two fan-shaped flow deflectors 352 on axis projection is preferably 1/3～2/3 of each fan-shaped flow deflector area, for example can be 1/2.The key groove of the tip of each wedge gap and the spacing at narrow place be configured to help reducing the turbulent loss of first eddy current, and the vortex gas flow at each point place is more even in a circumferential direction to make first eddy current of first eddy current before the rectification after the rectification, specific design can be carried out according to hydromechanical relevant knowledge in the prior art with reference to the form of the plane outspread drawing among Figure 19, this is that those skilled in the art carry out easily according to the application's content and corresponding hydrodynamics knowledge, does not repeat them here.
Each fan-shaped flow deflector 352 can be simple flat plate formula shape.Fan-shaped flow deflector 352 also can be preferably the flow deflector with streamlined curved section, is that those skilled in the art carry out easily according to the application's content and corresponding hydrodynamics knowledge as for the design of concrete curve shape, does not repeat them here.
Figure 20 shows the schematic cross sectional views according to the cold and hot gas fractionation unit 400 of vortex of the utility model the 4th embodiment.
As shown in figure 20, be similar to generally according to cold and hot gas fractionation unit 300 of the vortex of the utility model the 3rd embodiment or 300' according to the cold and hot gas fractionation unit 400 of the vortex of the utility model the 4th embodiment, the main distinction between them is that intake method is different with the generation type of first eddy current.
Particularly, the cold and hot gas fractionation unit 400 of vortex is provided with end air inlet radome fairing 410, and air inlet 320 is arranged on the end air inlet radome fairing 410 rather than on the body 110.Air inlet radome fairing 410 in end is fixed to body 110 at first end, 113 places of cylindrical cavity 112.The guide duct 311 of blower fan 310 is connected to air inlet 320, is injected in the end air inlet radome fairing 410 with the air-flow with blower fan output.End air inlet radome fairing 410 is configured to air-flow with blower fan output and forms the initial rotation air-flow and it is rectified into along 111 rotations of circle tube inner wall surface and first eddy current of advancing towards second end 114 of cylindrical cavity 112.In the cold and hot gas fractionation unit 400 of vortex, whirlwind axle sleeve 340 needn't be set and axial type fairing 350 can obtain good rectification effect.In addition, if necessary, also can on the necessary part of the cold airflow discharge center of the cold and hot gas fractionation unit 400 of vortex base 330, take provision for thermal insulation (for example to put a sleeve pipe that diameter is big slightly, filling with insulation material between the outer circle wall of this sleeve pipe and center base), perhaps the cold airflow of the cold and hot gas fractionation unit 400 of vortex is discharged center base 330 and itself be designed to have certain heat-insulating capability (for example its tube wall being designed to double-deck hollow tube wall, tube wall interlayer vacuum-pumping or filling with insulation material).
Preferably, end air inlet radome fairing 410 has annular shell wall 411, and the diameter of the cavity 412 that limits in it is greater than the diameter of the cylindrical cavity 112 of the body 110 of the cold and hot gas fractionation unit 400 of vortex.Cavity 412 has the central axis identical with cylindrical cavity 112 and directly is communicated with cylindrical cavity 112.Air inlet 320 is arranged on the annular shell wall 411, and this air inlet 320 is configured to the air-flow of blower fan output is sprayed in this cavity along the tangent to periphery direction of the cavity 412 of end air inlet radome fairing 410 basically, forms the initial rotation air-flow.Especially, described end air inlet radome fairing 410 has radially fairing 420, it is arranged in the cavity 412 of end air inlet radome fairing and with this cavity has identical central axis, and described radially fairing is configured to receive the initial rotation air-flow and it is rectified into first eddy current.
Preferably, end air inlet radome fairing 410 also comprises the base mounting flange 413 with center through hole.Cold airflow is discharged the outboard end that center base 330 passes the center through hole of base mounting flange 413 and is fixed to the annular shell wall 411 of end air inlet radome fairing by base mounting flange 413.Preferably, radially fairing 420 is fixed on the inner surface of base mounting flange 413.
Preferably, end air inlet radome fairing 410 also comprises end air inlet radome fairing mounting flange 414.The medial extremity of the annular shell wall 411 of end air inlet radome fairing 410 is fixed to the outer edge of end air inlet radome fairing mounting flange 414, and the ring-shaped step 415 of end air inlet radome fairing mounting flange 414 is fixed on the outer circle wall of body 110 at first end, 113 places of cylindrical cavity 112.
Now forward Figure 21 to, wherein show the perspective schematic view of the radial fairing 420 of the cold and hot gas fractionation unit 400 of Figure 20 vortex.
As shown in figure 21, radially fairing 420 has the substrate 421 that is preferably the annular flat board.On a side surface of substrate 421, be fixed with perpendicular to this surface and along the circumferential direction equally distributed a plurality of shaped form flow deflector 422.Substrate 421 also can have other suitable shapes, can fix described shaped form flow deflector as long as go up on its surface, but and central part have the centre bore that cooling air-flow discharge center base 330 passes and get final product.
Shaped form flow deflector 422 is configured to described initial rotation air-flow is rectified into first eddy current that rotating diameter dwindles, and not only flow velocity is faster than described initial rotation air-flow to make this first eddy current, and turbulent loss is littler, and the vortex gas flow at each point place is more even in a circumferential direction.The gap of the approximate wedge shape of the convergent that formation permission air communication is crossed between two adjacent shaped form flow deflectors 422.The narrowest place, the tip of wedge gap forms air stream outlet, and it preferably is configured to basically to form first eddy current along the tangential direction ejection of the circumference of the described cylindrical cavity gas through rectification.Can wherein schematically show the switching process of this radially fairing 420 referring to Figure 22 to this.Preferably, each shaped form flow deflector 422 is provided on the axial direction perpendicular to substrate 421 has mutually the same axial width, and this axial width is substantially equal to the axial length of the cavity 412 of end air inlet radome fairing 410.Five equilibrium plane on the axial width of each shaped form flow deflector 422 preferably can be in the same plane with the central axis of air inlet 320.Each shaped form flow deflector 422 is configured such that preferably the external envelope circumference of each outer rim of the extended line of minimum point of air inlet 320 and all shaped form flow deflectors is tangent basically.Alternatively, this extended line also can a little more than or a little less than the described external envelope circumference of shaped form flow deflector.The interior envelope circumference of each inner edge of all shaped form flow deflectors is preferably concentricity with cylindrical cavity 112, and further preferably, and envelope circumference has diameter or the slightly smaller diameter substantially the same with cylindrical cavity 112 in this.
Especially, in the utility model, radially the cross sectional shape along the water conservancy diversion direction of each shaped form flow deflector 422 of fairing 420 is surrounded by inner surface curve, outer surface curve and end connection transition wire and forms.All can recognize and understand as those skilled in the art, because the shaped form flow deflector is lamella shape on the whole, to be connected transition wire very short in the end of surface curve and outer surface curve end within it, very little to the guide functions influence of shaped form flow deflector 422, do not have discuss necessary.So, below the inner surface curve of shaped form flow deflector 422 and the shape of outer surface curve will be discussed mainly.
Referring to Figure 23, radially the inner surface curve of fairing 420 preferably is configured to comprise one section elliptic curve section, one section hot this base curves section in Vito and the one section linear section that is positioned at the air flow outlet of wedge gap.Preferably seamlessly transit between hot this base curves section in described elliptic curve section and described Vito.As shown in figure 23, the inner surface curve of each shaped form flow deflector 422 at first starts from described elliptic curve section at radial outside, is smoothly transitted into hot this base curves section in described Vito then, is smoothly transitted into the linear section of described inner surface curve then.As skilled in the art will understand, described elliptic curve section can be directly join and form with hot this base curves section in described Vito and seamlessly transits; But described elliptic curve section also can join via hot this base curves section of one section easement curve section and described Vito, to form seamlessly transitting between hot this base curves section in described elliptic curve section and described Vito.Preferably, directly link to each other between hot this base curves section in the Vito of described inner surface curve and the linear section with seamlessly transitting.
Preferably, described outer surface curve is configured to comprise one section circular curve section and near one section linear section of the air flow outlet of wedge gap.Preferably directly link to each other between the circular curve section linear section of described outer surface curve with seamlessly transitting.
Preferably, the external envelope circumference of the extended line of the elliptic curve section of the inner surface curve of each shaped form flow deflector 422 and each outer rim of all shaped form flow deflectors is tangent basically, and the circular curve section of the outer surface curve of each shaped form flow deflector 422 also can be tangent basically with this external envelope circumference, to guarantee that the tangential direction along described inner surface curve and described outer surface curve flows into the water conservancy diversion district that wedge gap constitutes at the air flow inlet place for air-flow in the cavity 412.(it will be recognized by those skilled in the art, because the outer rim place of each shaped form flow deflector is thinner, therefore the elliptic curve section of described inner surface curve and the circular curve section of described outer surface curve and the points of tangency of described external envelope circumference are very approaching, even can think identical, thereby in fact, described inner surface curve is identical with the tangential direction of described outer surface curve at the air flow inlet place basically.）
Preferably, the interior envelope circumference of the linear section of the inner surface curve of each shaped form flow deflector 422 and each inner edge of all shaped form flow deflectors is tangent basically, and the extended line of the linear section of the outer surface curve of each shaped form flow deflector 422 also can be tangent basically with envelope circumference in this, with guarantee air-flow from wedge gap can be basically in described the tangential direction ejection of envelope circumference form first eddy current.
In embodiment more of the present utility model, the excircle of the annular substrate 421 of radial fairing 420 can be configured to overlap with the described external envelope circumference of shaped form flow deflector, and the inner periphery of annular substrate 421 can be configured to overlap with the described interior envelope circumference of shaped form flow deflector.
Above-mentioned specially designed shaped form flow deflector is very beneficial for reducing effectively turbulent loss in device of the present utility model, strengthen the uniformity of each point place vortex gas flow on the circumferencial direction.
Alternatively, as shown in figure 24, the cold and hot gas fractionation unit 400 of the vortex of the utility model the 4th embodiment also can adopt another kind of radial fairing 420', the cross sectional shape of its shaped form flow deflector 422 ' is comparatively simple, and inner surface curve and outer surface curve constitute by the elliptic curve section.The advantage of this substituting radial fairing 420' is simple in structure, is easy to make, and also can reduces turbulent loss to a certain extent effectively, strengthens the uniformity of each point place vortex gas flow on the circumferencial direction.
In addition, as shown in figure 20, radially fairing 420 preferably is fixed in the annular recess 416 on the inner surface of base mounting flange 413 by its substrate 421.The cup depth of annular recess 416 preferably is substantially equal to the thickness of substrate 421.
For understanding the structure of the cold and hot gas fractionation unit 400 of Figure 20 vortex more intuitively, also can wherein show the schematic, exploded perspective view of the cold and hot gas fractionation unit 400 of vortex referring to Figure 25.The cold and hot gas fractionation unit 400 of the vortex that assembles can be referring to Figure 26.
Figure 27 is the schematic cross sectional views according to the cold and hot gas fractionation unit 400' of vortex of the modification of the utility model the 4th embodiment.In the cold and hot gas fractionation unit 400' of vortex, adopted a kind of substituting being used to regulate the adjusting device 440 of thermal current capacity, it comprises handwheel 241, the body of rod 242 and screw seat 244 equally.Slide bar mounting flange 441 is enclosed within by its center via clearance on the polished rod section between the connecting portion of protrusion of the step section of the body of rod 242 and handwheel 241 (obviously ordinatedly, the diameter of this central through hole is preferably greater than the diameter of polished rod section equally, but the diameter less than the connecting portion of the protrusion of the diameter of step section and handwheel 241), and guarantee that the spacing between the connecting portion of protrusion of the step section of the body of rod 242 and handwheel 241 equals or be slightly larger than the thickness of slide bar mounting flange 441 substantially.Be fixed with many slide bars 442 on the slide bar mounting flange 441.Slide bar 442 extends through the respective through hole on the slide 443, and the slide bar end is fixed with respect to body 110.The air-flow focus reflection face 142 of indent ball face shape is fixed to the radially inner side of slide 443.The outside at air-flow focus reflection face 142 is provided with thermal insulation layer 445 especially, is subjected to ectocine (mainly being for second eddy current that forms gradually and gather is carried out cold and heat insulation) herein with the gas flow temperature of avoiding this place.Thermal insulation layer 445 can be made of any suitable heat-barrier material, for example is made of porous heat insulation material or fiber-like heat-barrier material.Arranged outside at thermal insulation layer 445 has heat insulation material fixed cover 444.Heat insulation material fixed cover 444 is fixed on the slide 443, and described screw seat 244 is fixed on heat insulation material fixed cover 444, so just can the spiro rod section 243 of the body of rod 242 be rotated in screw seat 244 and axially-movable occurs by rotating handwheel 241, thereby make slide 443 on slide bar 442, endwisely slip, with the aperture of regulating ring-type thermal current outlet 130 (as shown in figure 27, thermal current outlet 130 in this example is limited by the gap between body 110 and the slide 443), thus the discharge rate of regulating thermal current.The discharge rate of regulating thermal current for example can be regulated the temperature and the flow of the cold airflow of discharge.
Further, cold airflow is discharged center base 330 and is provided with whirlwind axle sleeve 340 ', and this whirlwind axle sleeve 340' is similar to whirlwind axle sleeve 340 among the utility model the 3rd embodiment, but does not have cylindrical shape part 342.Equally preferably be provided with heat-barrier material (for example porous heat insulation material or fiber-like heat-barrier material etc.) in the space between whirlwind axle sleeve 340 ' and cold airflow discharge center base 330, carry out heat with first eddy current and isolate second eddy current in the center through hole of cold airflow discharge center base 330 and whirlwind axle sleeve 340' radial outside.
Figure 28 and Figure 29 also show cold and hot gas fractionation unit 400'' of other two kinds of vortexes and the 400''' that is similar to Figure 27.Cold and hot gas fractionation unit 400' is different with the vortex of Figure 27, and cold and hot gas fractionation unit 400'' of the vortex among Figure 28 and Figure 29 and 400''' have adopted the air-flow focus reflection face 142 of indent ellipsoidal surface shape and indent parabolic shape respectively.Figure 30 shows the schematic part decomposition diagram of the cold and hot gas fractionation unit of vortex of Figure 27-29.Here, those skilled in the art all can understand, because air-flow focus reflection face is invisible in Figure 30, so in fact Figure 30 can be used as the common schematic part decomposition diagram of three kinds of cold and hot gas fractionation units of similar vortex among Figure 27-29.
Especially, those skilled in the art will recognize that, various eddy current reflux with inner sunken face shape air-flow focus reflection face disclosed in the utility model not only can be applied in above disclosed each embodiment or its modification, and can be used for adopting other any known or in the future known now air inlets and eddy current to form in the cold and hot gas fractionation unit of vortex of device, extraneous gas can be imported and form first eddy current in the cylindrical cavity in the described body and all can as long as these inlet ducts or eddy current form device.Such air inlet and eddy current form device in comprising each embodiment of the utility model and modification thereof the disclosed related device, but also can include but not limited to utilize in the prior art gas compressor or other compressed air sources to be used as the various devices that inlet air source forms first eddy current.
Though this paper has illustrated and has described a plurality of exemplary preferred embodiments, but those skilled in the art all can recognize, under the situation that does not break away from the utility model spirit and scope, can directly determine or derive many other modification or the modification that meets these embodiment according to the disclosed content of the application.Therefore, should think that scope of the present utility model has covered all these other modification or modifications.
Claims (34)
1. cold and hot gas fractionation unit of vortex is characterized in that comprising:
Body with circle tube inner wall surface, described circle tube inner wall surface defines cylindrical cavity, described cylindrical cavity along its axis direction have first end and with the described first end second opposed end;
Air inlet and stirrer fan device, its first end place at described cylindrical cavity is attached to described body, and described air inlet and stirrer fan device are configured to extraneous gas sucked in the described cylindrical cavity and stir and form along the surface rotation of described circle tube inner wall and first eddy current of advancing towards second end of described cylindrical cavity;
The thermal current outlet, it is configured to be positioned at or be close to the edge of second end of described cylindrical cavity, thereby the feasible a part of gas that advances to first eddy current of described thermal current outlet is discharged to outside the described cylindrical cavity through described thermal current outlet;
The eddy current reflux, it is configured to be positioned at the second end place of described cylindrical cavity, with second eddy current that the cyclone inner core that becomes to pass first eddy current advances towards first end of described cylindrical cavity that refluxes of the residual gas with the described thermal current outlet of not being discharged from of first eddy current;
The cold airflow outlet, its be configured to be positioned at described cylindrical cavity first end the radial center place or be configured to contiguous and around described radial center, the temperature of the gas of discharging from described thermal current outlet is higher than the temperature of the gas of discharging from described cold airflow outlet.
2. the cold and hot gas fractionation unit of vortex as claimed in claim 1, it is characterized in that, described air inlet and stirrer fan device comprise a plurality of air inlets and agitation blades, each described air inlet and agitation blades itself comprise the induction part that is made into one and stir part, described induction part is configured to be suitable for extraneous gas is sucked in the described cylindrical cavity, and gas stirring will form first eddy current in the described cylindrical cavity thereby will be sucked by described stirring part.
3. the cold and hot gas fractionation unit of vortex as claimed in claim 2 is characterized in that, described air inlet and stirrer fan device comprise:
Annular element;
Be positioned at the central hub of described annular element radially inner side; And
The a plurality of floors that connect described annular element and described central hub; Wherein
Described annular element has the central axis identical with described cylindrical cavity with described central hub,
Space between the annular inner wall of described central hub and described annular element has constituted the described cold airflow outlet of the radial center of first end that is close to and centers on described cylindrical cavity, and
Described a plurality of air inlet and agitation blades all are arranged on the outer circle wall of described annular element.
4. the cold and hot gas fractionation unit of vortex as claimed in claim 3, it is characterized in that, each described floor is configured to the form of exhausting blade, and forming negative pressure at described cold airflow outlet place, thereby the gas of being convenient in second eddy current is discharged from described cold airflow outlet.
5. the cold and hot gas fractionation unit of vortex as claimed in claim 3 is characterized in that, described air inlet and stirrer fan device also comprise:
Be arranged on the prime mover outside the described cylindrical cavity; With
The fan main shaft, one end of described fan main shaft is connected in described central hub, the other end is connected in the output shaft of described prime mover, thereby make described prime mover rotate, and drive described floor, described annular element and described air inlet and agitation blades rotation by the described central hub of described fan main shaft drives.
6. the cold and hot gas fractionation unit of vortex as claimed in claim 5, it is characterized in that, described prime mover is arranged on the outside of described eddy current reflux along the central axis of described cylindrical cavity, the center of described eddy current reflux has through hole, therefrom passes for the output shaft or the described fan main shaft of described prime mover.
7. the cold and hot gas fractionation unit of vortex as claimed in claim 1 is characterized in that described air inlet and stirrer fan device comprise the supply fan and the disturbance fan of separation, wherein
Described supply fan comprises a plurality of air inlet blades, and described air inlet blade is configured to be suitable for extraneous gas is sucked in the described cylindrical cavity,
Described disturbance fan comprises a plurality of agitation blades, and described agitation blades is configured to be suitable for stir the gas that sucks in the described cylindrical cavity to form first eddy current.
8. the cold and hot gas fractionation unit of vortex as claimed in claim 7 is characterized in that, described air inlet and stirrer fan device comprise the supply fan drive and the disturbance fan drive of separation, wherein
Described supply fan drive is connected to described supply fan, driving the air inlet blade rotation of described supply fan,
Described disturbance fan drive is connected to described disturbance fan, rotates with the agitation blades that drives described disturbance fan, and
Described supply fan drive and described disturbance fan the drive driving belt by separately or chain respectively are connected to prime mover outside separately the body that is arranged on the cold and hot gas fractionation unit of described vortex.
9. the cold and hot gas fractionation unit of vortex as claimed in claim 8 is characterized in that,
Described supply fan drive and described disturbance fan the drive rolling bearing by separately respectively are arranged on the base of center;
Described center base is fixed in the body of the cold and hot gas fractionation unit of described vortex by the disc support; And
The central passage that the annular inner wall surface of described center base limits has constituted the described cold airflow outlet at the radial center place of first end that is positioned at described cylindrical cavity.
10. the cold and hot gas fractionation unit of vortex as claimed in claim 1, it is characterized in that, described air inlet and stirrer fan device also comprise turnover gas separation cover, described turnover gas is separated cover and is had flow-guiding channel, one end of described flow-guiding channel is arranged to contiguous or the described cold airflow outlet of adjacency, to receive the cold airflow of from described cold airflow outlet, discharging, with the cold and hot gas fractionation unit of the described vortex of its diversion.
11. the cold and hot gas fractionation unit of vortex as claimed in claim 1 is characterized in that,
Described eddy current reflux is configured to have the air-flow focus reflection face of inner sunken face shape, and described thermal current outlet is arranged on the radial outside of air-flow focus reflection face described in the described eddy current reflux, thereby make through the residual gas that is not discharged from of first eddy current of described thermal current outlet when described air-flow focus reflection face is advanced, the cyclone radius shrinks gradually, rotary speed is accelerated gradually, strengthened centrifugal force, and by the cyclone inner core vacuum suction of first eddy current, thereby second eddy current of the cyclone inner core of first eddy current towards first end backflow of described cylindrical cavity passed in formation.
12. the cold and hot gas fractionation unit of vortex as claimed in claim 11 is characterized in that,
The air-flow focus reflection face that described air-flow focus reflection face is the indent parabolic shape, or the air-flow focus reflection face of indent ellipsoidal surface shape, or the air-flow focus reflection face of indent ball face shape.
13. the cold and hot gas fractionation unit of vortex is characterized in that comprising:
Body with circle tube inner wall surface, described circle tube inner wall surface defines cylindrical cavity, described cylindrical cavity along its axis direction have first end and with the described first end second opposed end;
Be arranged on described extra-organismal blower fan;
Air inlet, it is arranged on the described body and first end of contiguous described cylindrical cavity, the guide duct of described blower fan is connected to described air inlet, and described air inlet is configured to the air-flow of described blower fan output is sprayed in the described cylindrical cavity along the tangential direction of the circumference of described cylindrical cavity basically, forms along the described columnar inner wall surface rotation and first eddy current of advancing towards second end of described cylindrical cavity;
The thermal current outlet, it is configured to be positioned at or be close to the edge of second end of described cylindrical cavity, thus the feasible a part of gas that advances to first eddy current of described thermal current outlet is discharged to outside the described cylindrical cavity through described thermal current outlet;
The eddy current reflux, it is configured to be positioned at the second end place of described cylindrical cavity, with second eddy current that the cyclone inner core that becomes to pass first eddy current advances towards first end of described cylindrical cavity that refluxes of the residual gas with the described thermal current outlet of not being discharged from of first eddy current;
Cold airflow with cold airflow passing away is discharged the center base, it is arranged on the first end place of described cylindrical cavity and extends axially in the described cylindrical cavity along the central axis of described cylindrical cavity, described cold airflow passing away receives second eddy current isolates itself and first eddy current, and the gas of second eddy current is discharged to outside the cold and hot gas fractionation unit of described vortex, the temperature of the gas of discharging from described thermal current outlet is higher than the temperature of the gas of discharging from described cold airflow passing away.
14. the cold and hot gas fractionation unit of vortex according to claim 13, it is characterized in that also comprising the base mounting flange with center through hole, described cold airflow discharge center base passes the center through hole of described base mounting flange and is fixed on the body of the cold and hot gas fractionation unit of described vortex by described base mounting flange.
15. the cold and hot gas fractionation unit of vortex according to claim 14, it is characterized in that also comprising the whirlwind axle sleeve, described whirlwind axle sleeve be arranged on cold airflow described in the described cylindrical cavity discharge the center base around, and have towards the frustoconical part of the direction convergent of second end of described cylindrical cavity, so that the rotation of first eddy current is guided, reduce the turbulent loss of first eddy current.
16. the cold and hot gas fractionation unit of vortex according to claim 15, the maximum gauge place that it is characterized in that the frustoconical part of described whirlwind axle sleeve is extended with a cylindrical section shape part, the boundary circumference of described cylindrical shape part and described frustoconical part on the axis direction of described cylindrical cavity with respect to the distance of first end of described cylindrical cavity more than or equal to the circumference of described air inlet ultimate range with respect to first end of described cylindrical cavity, the radius of described boundary circumference is configured such that the extended line and the described boundary circumference of minimum point of described air inlet is tangent basically.
17. the cold and hot gas fractionation unit of vortex according to claim 15, it is characterized in that, described whirlwind axle sleeve and described cold airflow are discharged between the base of center and are provided with heat-barrier material, carry out heat with first eddy current to second eddy current in the center through hole of described cold airflow discharge center base and described whirlwind axle sleeve radial outside and isolate.
18. according to the cold and hot gas fractionation unit of each described vortex among the claim 13-17, it is characterized in that also comprising the axial type fairing, it is fixed on described cold airflow and discharges on the end portion that extends into described cylindrical cavity of center base, so that first eddy current through described axial type fairing is carried out rectification, thereby reduce the turbulent loss of first eddy current, and the vortex gas flow at each point place is more even in a circumferential direction to make first eddy current of first eddy current before the rectification after the rectification.
19. the cold and hot gas fractionation unit of vortex according to claim 18, it is characterized in that, the described axial type fairing dish shape member that is configured to spiral, the described dish shape member that spirals has the central annular part, be fixed with the along the circumferential direction equally distributed a plurality of fan-shaped flow deflectors that extend radially outwardly out perpendicular to this external peripheral surface on the external peripheral surface of described central annular part, wherein said a plurality of fan-shaped flow deflectors are configured such that and form the wedge gap that allows air communication to cross between two adjacent described fan-shaped flow deflectors.
20. the cold and hot gas fractionation unit of vortex according to claim 13 is characterized in that described blower fan is a high-speed fan, the speed of its stable output gas flow can reach more than 1/8 Mach.
21. the cold and hot gas fractionation unit of vortex as claimed in claim 13 is characterized in that,
Described eddy current reflux is configured to have the air-flow focus reflection face of inner sunken face shape, and described thermal current outlet is arranged on the radial outside of air-flow focus reflection face described in the described eddy current reflux, thereby make through the residual gas that is not discharged from of first eddy current of described thermal current outlet when described air-flow focus reflection face is advanced, the cyclone radius shrinks gradually, rotary speed is accelerated gradually, strengthened centrifugal force, and by the cyclone inner core vacuum suction of first eddy current, thereby second eddy current of the cyclone inner core of first eddy current towards first end backflow of described cylindrical cavity passed in formation.
22. the cold and hot gas fractionation unit of vortex as claimed in claim 21 is characterized in that,
The air-flow focus reflection face that described air-flow focus reflection face is the indent parabolic shape, or the air-flow focus reflection face of indent ellipsoidal surface shape, or the air-flow focus reflection face of indent ball face shape.
23. the cold and hot gas fractionation unit of vortex is characterized in that comprising:
Body with circle tube inner wall surface, described circle tube inner wall surface defines cylindrical cavity, described cylindrical cavity along its axis direction have first end and with the described first end second opposed end;
Be arranged on described extra-organismal blower fan;
End air inlet radome fairing with air inlet, its first end place at described cylindrical cavity is fixed to described body, the guide duct of described blower fan is connected to described air inlet and is injected in the described end air inlet radome fairing with the air-flow with the output of described blower fan, and described end air inlet radome fairing is configured to air-flow with described blower fan output and forms the initial rotation air-flow and it is rectified into along the surface rotation of described circle tube inner wall and first eddy current of advancing towards second end of described cylindrical cavity;
The thermal current outlet, it is configured to be positioned at or be close to the edge of second end of described cylindrical cavity, thus the feasible a part of gas that advances to first eddy current of described thermal current outlet is discharged to outside the described cylindrical cavity through described thermal current outlet;
The eddy current reflux, it is configured to be positioned at the second end place of described cylindrical cavity, with second eddy current that the cyclone inner core that becomes to pass first eddy current advances towards first end of described cylindrical cavity that refluxes of the residual gas with the described thermal current outlet of not being discharged from of first eddy current;
Cold airflow with cold airflow passing away is discharged the center base, it is arranged on the first end place of described cylindrical cavity and axially extends inward in the described cylindrical cavity along the central axis of described cylindrical cavity, axially extend outwardly into outside the described end air inlet radome fairing, described cold airflow passing away receives second eddy current isolates itself and first eddy current, and the gas of second eddy current is discharged to outside the cold and hot gas fractionation unit of described vortex, the temperature of the gas of discharging from described thermal current outlet is higher than the temperature of the gas of discharging from described cold airflow passing away.
24. the cold and hot gas fractionation unit of vortex according to claim 23 is characterized in that described end air inlet radome fairing comprises:
The annular shell wall, be limited with in it than the bigger cavity of cylindrical cavity diameter of the body of the cold and hot gas fractionation unit of described vortex, described cavity has the central axis identical with described cylindrical cavity and directly is communicated with described cylindrical cavity, described air inlet is arranged on the described annular shell wall, and described air inlet is configured to the air-flow of described blower fan output is sprayed in the cavity of described end air inlet radome fairing along the tangential direction of the circumference of the cavity of described end air inlet radome fairing basically, forms the initial rotation air-flow; And
Fairing radially, it is arranged in the cavity of described end air inlet radome fairing and with the cavity of described end air inlet radome fairing has identical central axis, and described radially fairing is configured to receive the initial rotation air-flow and it is rectified into first eddy current.
25. the cold and hot gas fractionation unit of vortex according to claim 24, it is characterized in that, described end air inlet radome fairing also comprises the base mounting flange with center through hole, described cold airflow is discharged the center base and is passed the center through hole of described base mounting flange and be fixed to the outboard end of the annular shell wall of described end air inlet radome fairing by described base mounting flange, and described radially fairing is fixed on the inner surface of described base mounting flange.
26. the cold and hot gas fractionation unit of vortex according to claim 25, it is characterized in that, described end air inlet radome fairing also comprises end air inlet radome fairing mounting flange, the medial extremity of the annular shell wall of described end air inlet radome fairing is fixed to the outer edge of described end air inlet radome fairing mounting flange, and the ring-shaped step of described end air inlet radome fairing mounting flange is fixed on the outer circle wall of described body at the first end place of described cylindrical cavity.
27. the cold and hot gas fractionation unit of vortex according to claim 24, it is characterized in that described radially fairing has substrate, on a side surface of described substrate, be fixed with perpendicular to described side surface and along the circumferential direction equally distributed a plurality of shaped form flow deflector, described shaped form flow deflector is configured to described initial rotation air-flow is rectified into first eddy current that rotating diameter dwindles, and not only flow velocity is faster than described initial rotation air-flow to make the eddy current of winning, and turbulent loss is littler, and the vortex gas flow at each point place is more even in a circumferential direction.
28. the cold and hot gas fractionation unit of vortex according to claim 27, the connecting transition wire along the cross sectional shape of water conservancy diversion direction by inner surface curve, outer surface curve and end and surround and form of each shaped form flow deflector that it is characterized in that described radially fairing, wherein said inner surface curve is formed by one section elliptic curve section, hot this base curves section in one section Vito and one section linear section smooth connection being positioned at air flow outlet, and described outer surface curve forms by one section circular curve section with near one section linear section smooth connection of air flow outlet.
29. the cold and hot gas fractionation unit of vortex according to claim 27 is characterized in that described blower fan is a high-speed fan, the speed of its stable output gas flow can reach more than 1/8 Mach.
30. the cold and hot gas fractionation unit of vortex as claimed in claim 23 is characterized in that,
Described eddy current reflux is configured to have the air-flow focus reflection face of inner sunken face shape, and described thermal current outlet is arranged on the radial outside of air-flow focus reflection face described in the described eddy current reflux, thereby make through the residual gas that is not discharged from of first eddy current of described thermal current outlet when described air-flow focus reflection face is advanced, the cyclone radius shrinks gradually, rotary speed is accelerated gradually, strengthened centrifugal force, and by the cyclone inner core vacuum suction of first eddy current, thereby second eddy current of the cyclone inner core of first eddy current towards first end backflow of described cylindrical cavity passed in formation.
31. the cold and hot gas fractionation unit of vortex as claimed in claim 30 is characterized in that,
The air-flow focus reflection face that described air-flow focus reflection face is the indent parabolic shape, or the air-flow focus reflection face of indent ellipsoidal surface shape, or the air-flow focus reflection face of indent ball face shape.
32. the cold and hot gas fractionation unit of vortex, it comprises body, thermal current outlet, eddy current reflux and cold airflow outlet, it is characterized in that:
Described eddy current reflux is configured to have the air-flow focus reflection face of inner sunken face shape, and described thermal current outlet is arranged on the radial outside of air-flow focus reflection face described in the described eddy current reflux, thereby make through the residual gas that is not discharged from of first eddy current of described thermal current outlet when described air-flow focus reflection face is advanced, the cyclone radius shrinks gradually, rotary speed is accelerated gradually, strengthened centrifugal force, and by the cyclone inner core vacuum suction of first eddy current, thereby second eddy current of the cyclone inner core of first eddy current towards first end backflow of described cylindrical cavity passed in formation.
33. the cold and hot gas fractionation unit of vortex as claimed in claim 32 is characterized in that,
The air-flow focus reflection face that described air-flow focus reflection face is the indent parabolic shape, or the air-flow focus reflection face of indent ellipsoidal surface shape, or the air-flow focus reflection face of indent ball face shape.
34. the cold and hot gas fractionation unit of vortex as claimed in claim 32 is characterized in that also comprising extraneous gas is imported the inlet duct that forms first eddy current in the cylindrical cavity in the described body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200268303U CN201969471U (en) | 2011-01-26 | 2011-01-26 | Vortex type cold and hot air separation device |
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| CN2011200268303U CN201969471U (en) | 2011-01-26 | 2011-01-26 | Vortex type cold and hot air separation device |
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| CN201969471U true CN201969471U (en) | 2011-09-14 |
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| CN2011200268303U Expired - Lifetime CN201969471U (en) | 2011-01-26 | 2011-01-26 | Vortex type cold and hot air separation device |
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