A gas separating device includes a body defining a cylindrical inner chamber having a first and second ends; an intake and agitation fan disposed at the first end and drawing external gas into the inner chamber and agitates the external gas to form a first vortex traveling towards the second end; a
A gas separating device includes a body defining a cylindrical inner chamber having a first and second ends; an intake and agitation fan disposed at the first end and drawing external gas into the inner chamber and agitates the external gas to form a first vortex traveling towards the second end; a hot gas stream discharge port located at or adjacent to an edge of the second end to discharge a part of gas of the first vortex; a vortex return device located at the second end to return the remaining gas of the first vortex not discharged from the hot gas stream discharge port, forming a second vortex traveling towards the first end through a cyclone core of the first vortex; and a cold gas stream discharge port located at a radial center of the first end or located adjacent to and around the radial center.
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1. A vortex type cold and hot gas separating device, comprising: a body having a cylindrical inner wall surface, the cylindrical inner wall surface defining a cylindrical inner chamber, the cylindrical inner chamber having a first end and a second end opposite to the first end in an axial direction
1. A vortex type cold and hot gas separating device, comprising: a body having a cylindrical inner wall surface, the cylindrical inner wall surface defining a cylindrical inner chamber, the cylindrical inner chamber having a first end and a second end opposite to the first end in an axial direction of the cylindrical inner chamber;a fan disposed outside the body;an end intake and rectification cover with a gas inlet which is fixed to the body at the first end of the cylindrical inner chamber, a wind guiding tube of the fan is connected to the gas inlet to jet gas stream outputted by the fan into the end intake and rectification cover, and the end intake and rectification cover is disposed to form the gas stream outputted by the fan into an initial rotary gas stream and rectify the initial rotary gas stream into a first vortex rotating along the cylindrical inner wall surface and traveling towards the second end of the cylindrical inner chamber;a hot gas stream discharge port disposed to be located at or adjacent to an edge of the second end of the cylindrical inner chamber so that a part of gas of the first vortex traveling to the hot gas stream discharge port is discharged out of the cylindrical inner chamber through the hot gas stream discharge port;a vortex return device disposed to be located at the second end of the cylindrical inner chamber to return the remaining gas of the first vortex which is not discharged from the hot gas stream discharge port, thereby forming a second vortex traveling towards the first end of the cylindrical inner chamber through a cyclone core of the first vortex; anda cold gas stream discharge central tubular mount with a cold gas stream discharge passage which is disposed at the first end of the cylindrical inner chamber, extends axially inwards into the cylindrical inner chamber along a central axis of the cylindrical inner chamber, and extends axially outwards outside the end intake and rectification cover along the central axis of the cylindrical inner chamber, wherein the cold gas stream discharge passage receives the second vortex to isolate the second vortex from the first vortex, and discharges gas of the second vortex out of the vortex type cold and hot gas separating device, and a temperature of the gas discharged from the hot gas stream discharge port is higher than a temperature of the gas discharged from the cold gas stream discharge passage,wherein an annular space is formed between an outer surface of a portion of the cold gas stream discharge passage extending inwards into the cylindrical inner chamber and the cylindrical inner wall surface of the body, and is configured such that the first vortex travels through the annular space towards the second end of the cylindrical inner chamber. 2. The vortex type cold and hot gas separating device of claim 1, wherein the end intake and rectification cover comprises: an annular housing wall defining a cavity therein, wherein the cavity has a larger diameter than the cylindrical inner chamber of the body of the vortex type cold and hot gas separating device, and the same central axis as the cylindrical inner chamber, and is in direct communication with the cylindrical inner chamber, the gas inlet is disposed in the annular housing wall, and the gas inlet is disposed to jet gas stream outputted by the fan into the cavity of the end intake and rectification cover substantially in a tangent direction of a circumference of the cavity of the end intake and rectification cover to form the initial rotary gas stream; anda radial rectification device disposed in the cavity of the end intake and rectification cover and having the same central axis as the cavity of the end intake and rectification cover, and the radial rectification device is disposed to receive the initial rotary gas stream and rectify the initial rotary gas stream into the first vortex. 3. The vortex type cold and hot gas separating device of claim 2, wherein the end intake and rectification cover further comprises a tubular-mount fixation flange with a central through hole, wherein the cold gas stream discharge central tubular mount passes through the central through hole of the tubular-mount fixation flange and is fixed to an outside end of the annular housing wall of the end intake and rectification cover through the tubular-mount fixation flange, and the radial rectification device is fixed on an inside surface of the tubular-mount fixation flange. 4. The vortex type cold and hot gas separating device of claim 2, wherein the radial rectification device has a base plate, wherein a plurality of curve-shaped flow guiding plates perpendicular to a side surface of the base plate and distributed uniformly in a circumferential direction are fixed on the side surface of the base plate, and the curve-shaped flow guiding plates are disposed to rectify the initial rotary gas stream into the first vortex having a reduced rotational diameter, and such that the first vortex has not only a higher velocity but also a less turbulent flow loss than the initial rotary gas stream, and such that flow rates of the swirling gas of the first vortex at points in a circumferential direction are more uniform than those of the initial rotary gas stream. 5. The vortex type cold and hot gas separating device of claim 4, wherein a cross-sectional shape, in a flow guiding direction, of each of the curve-shaped flow guiding plates of the radial rectification device is formed by enclosure of an inside curve, an outside curve, and an end connection and transition line, wherein the inside curve is formed by smoothly connecting a segment of elliptic curve, a segment of Witosznski curve, and a segment of straight line located at a gas stream outlet, and the outside curve is formed by smoothly connecting a segment of circular arc curve and a segment of straight line located near the gas stream outlet. 6. The vortex type cold and hot gas separating device of claim 4, wherein the fan is a high-speed fan, and a velocity of gas stream stably outputted by the high-speed fan is in a range of Mach 1/8-Mach 9/10. 7. The vortex type cold and hot gas separating device of claim 1, wherein the vortex return device is disposed to have a gas stream focusing and reflecting surface with a shape of a concave curve, and the hot gas stream discharge port is disposed on a radial outside of the gas stream focusing and reflecting surface in the vortex return device such that when the undischarged remaining gas of the first vortex past the hot gas stream discharge port travels along the gas stream focusing and reflecting surface, a cyclone radius of the remaining gas is gradually reduced, a rotational speed of the remaining gas is gradually increased, a centrifugal force on the remaining gas is enhanced, and the remaining gas is attracted by a negative pressure of a cyclone core of the first vortex, thereby forming the second vortex returning towards the first end of the cylindrical inner chamber through the cyclone core of the first vortex. 8. The vortex type cold and hot gas separating device of claim 7, wherein the gas stream focusing and reflecting surface is a gas stream focusing and reflecting surface having a shape of a concave paraboloid, a gas stream focusing and reflecting surface having a shape of a concave ellipsoid, or a gas stream focusing and reflecting surface having a shape of a concave sphere.
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이 특허에 인용된 특허 (3)
Shen Peter I. (San Pedro CA), Laser beam tube with helical gas flow for reducing thermal blooming in the laser beam.
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