CN218566234U - Gas thermal power recoverer - Google Patents
Gas thermal power recoverer Download PDFInfo
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- CN218566234U CN218566234U CN202220511584.9U CN202220511584U CN218566234U CN 218566234 U CN218566234 U CN 218566234U CN 202220511584 U CN202220511584 U CN 202220511584U CN 218566234 U CN218566234 U CN 218566234U
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Abstract
The utility model discloses a gas thermal power recoverer, which comprises a cylindrical recoverer shell, wherein both ends of the recoverer shell are respectively provided with an air inlet and an air outlet, and a heat-conducting bracket is connected in the recoverer shell; the heat conducting support comprises a conical hollow structure of which the cross section is gradually increased along the flow direction of hot air; the spiral coil is wound on the heat conduction support, and a high-pressure gas inlet and a high-pressure gas outlet are respectively arranged at two ends of the spiral coil. The utility model provides a gas thermal power recoverer can absorb the thermal power of target steam fast and reduce target steam temperature.
Description
Technical Field
The utility model relates to a fluid heat exchange field especially relates to a gaseous thermal power recoverer.
Background
The existing aircraft engines are various in types according to different classification methods, the main stream is jet engines, and the technical principle of the existing aircraft engines is that reverse jet of air is driven by thermal power to push an aircraft to advance. The most mainstream civil aviation engine is a turbofan jet engine, the bypass ratio of the turbofan jet engine is generally more than 5, the flying speed is generally below 1000Km/h, and the turbofan jet engine has the advantages of good engine efficiency, long service life, low running noise, low tail jet temperature and the like; the high-speed aircraft engine is a turbojet engine, the bypass ratio of the turbojet engine is 0, the flying speed is generally over 1000Km/h, but the high-speed aircraft engine has the disadvantages of low engine efficiency, short service life, high running noise, high tail jet temperature and the like.
The existing jet engine has the following defects:
1) A dedicated cooling system is required to cool the engine: adding complexity and manufacturing cost to the equipment and providing additional power to the cooling system.
2) The core components run at very high temperatures: the requirement on materials is high, the service life of the engine is shortened, and the manufacturing and maintenance cost is increased.
3) Only the hot-pressing power cabin works: increasing the speed increases the power pod to two or even three, resulting in a continued increase in core operating temperature, pressure.
4) Very high connotation jet temperature: the average of the turbofan jet engine tail jet is about 900 ℃, and the average of the turbojet engine tail jet is about 1200 ℃, which is a great loss of thermodynamic power.
In order to solve the problems, the utility model discloses the people designs an aircraft thermal cycle power system to highly-compressed air is as the heat exchange carrier, and the highly-compressed air who uses the storage is given first place to, uses the motor as assisting, and as source power drive air compression system operation, through leading-in jet engine with highly-compressed air, the realization is to the cooling and the thermal power recovery cyclic utilization function of engine. At the end of the thermodynamic recovery, the air temperature is still high, still causing a large waste of energy if directly exhausted out of the system. And the conventional thermodynamic recovery structure has poor recovery efficiency. Therefore, it is necessary to redesign a gas thermodynamic recovery device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gaseous heat power recoverer can absorb the heat power of target steam fast and reduce target steam temperature, can use in a large number in the scene that needs heat recovery and reduce emission temperature.
In order to achieve the purpose, the utility model provides a gas thermal power recoverer, which comprises a cylindrical recoverer shell, wherein an air inlet and an air outlet are respectively arranged at two ends of the recoverer shell, and a heat conduction bracket is connected in the recoverer shell; the heat conduction bracket comprises a tapered hollow structure of which the cross section is gradually increased along the flow direction of hot air; the spiral coil is wound on the heat conducting support, and a high-pressure gas inlet and a high-pressure gas outlet are respectively arranged at two ends of the spiral coil.
As a further improvement, the cross section of the air inlet is smaller than the cross sections of the middle part of the inner cavity of the recoverer shell and the air outlet.
As a further improvement of the present invention, the conical hollow structure comprises a conical heat conducting cylinder and a heat conducting rib plate, wherein a plurality of openings are formed on the side wall of the conical heat conducting cylinder, and the heat conducting rib plate is located inside the conical heat conducting cylinder; the front end and the rear end of the conical heat conducting cylinder are communicated; an air guide channel is formed between the heat conduction rib plate and the opening of the conical heat conduction cylinder.
As a further improvement of the present invention, the spiral coil includes a first spiral coil, and the first spiral coil is wound around the tapered heat conducting tube and a gap is left between two adjacent loops of the first spiral coil.
As a further improvement of the utility model, a front guide baffle and a rear guide baffle are respectively arranged at the front end and the rear end of the conical heat conducting cylinder; the outer edge of the front flow guide baffle is smaller than the front end opening of the conical heat-conducting cylinder, and the outer edge of the rear flow guide baffle is smaller than the rear end opening of the conical heat-conducting cylinder.
As a further improvement, the heat conducting support is further including connecting the support between tapered hollow out construction and recoverer shell, the spiral coil includes second spiral coil, and second spiral coil coils on the support and leaves the clearance between second spiral coil's the adjacent two rings of bodys.
As a further improvement, the high-pressure gas inlet is close to one side of the air outlet of the recoverer shell, and the high-pressure gas outlet is close to one side of the air inlet of the recoverer shell.
Advantageous effects
Compared with the prior art, the utility model discloses a gaseous thermal power recoverer's advantage does:
1. the spiral coil of high-pressure air is used as a thermodynamic collecting carrier, so that the small-pipe-diameter large-capacity spiral coil is realized. The spiral coil pipe is wound on the heat conducting support in the recoverer shell, the cross section of the conical hollow structure of the heat conducting support is gradually increased along the flowing direction of hot air, the area of the spiral coil pipe facing the hot air is increased, the high-pressure air in the spiral coil pipe can exchange heat with the hot air passing through the recoverer shell more fully, and the heat recovery is more sufficient.
2. The tapered hollow structure of the heat conduction support can increase the heat conduction area through the hollow structure, such as the opening of the tapered heat conduction cylinder and the heat conduction rib plate. The hot air heat that gets into in the recoverer shell except can directly conduct to the spiral coil on, can also conduct to the spiral coil through heat conduction support. And the conical hollow-out structure and the spiral coil pipe are combined, so that a certain blocking effect is generated on hot air, the time for the hot air to stay in the shell of the recoverer can be increased, and the heat recovery is more sufficient.
3. The caliber of the spiral coil is larger than that of the high-pressure gas inlet, so that the high-pressure gas has a pressure relief effect when flowing into the gas thermodynamic recoverer through the high-pressure gas inlet and is changed into flowing high-pressure cold gas. The high-pressure cold air in the spiral coil pipe and the hot air flowing through the gas heat power recoverer form a huge temperature difference, and the heat exchange efficiency is greatly improved. After the high-pressure cold air in the spiral coil pipe is heated in the gas heat power recoverer through heat exchange, the temperature of the high-pressure cold air at the outlet is obviously higher than that of the high-pressure cold air at the inlet, and the pressure is unchanged or is only slightly reduced, so that the high-pressure cold air can normally enter a jet engine to cool the engine subsequently.
4. Through setting up preceding water conservancy diversion baffle and back water conservancy diversion baffle, can avoid hot-air directly to pass the middle part of tapered hollow out construction, force hot-air to get around water conservancy diversion baffle back and then get into the recoverer shell, ensure that the hot-air that gets into the recoverer shell can both fully carry out the heat exchange with the highly-compressed air in the spiral coil.
5. The high-pressure gas inlet is arranged on one side of the air outlet of the recoverer shell, and the high-pressure gas outlet is arranged on one side of the air inlet of the recoverer shell, so that the temperature of the high-pressure gas outlet can greatly exceed the temperature of the air outlet of the gas thermodynamic recoverer.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a top view of a gas thermodynamic recuperator;
FIG. 2 is a left side view of the gas thermal power recuperator;
FIG. 3 is a right side view of the gas thermodynamic recovery device;
FIG. 4 is a cross-sectional view of a gas thermal power recuperator;
FIG. 5 is a top view of a thermally conductive holder;
FIG. 6 is a partial cross-sectional view of a thermally conductive bracket;
FIG. 7 is a left side view of the thermally conductive bracket;
FIG. 8 is a right side view of the thermally conductive bracket;
fig. 9 is a schematic diagram of hot air passing through a gas thermal power recuperator.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings.
Examples
The embodiment of the present invention is shown in fig. 1 to 9, and a gas thermal power recovery device 1 includes a recovery device housing 11 having a cylindrical shape and two ends respectively provided with an air inlet 111 and an air outlet 112, and a heat conducting support 13 connected to the interior of the recovery device housing 11. The heat conductive bracket 13 includes a tapered hollow structure whose cross section gradually increases in the hot air flowing direction. The spiral coil 12 is wound on the heat conducting support 13, and the two ends of the spiral coil 12 are respectively a high-pressure gas inlet 123 and a high-pressure gas outlet 124. In this embodiment, the outer surface of the tapered hollow structure is a conical surface.
The air inlet 111 has a cross-sectional dimension smaller than both the cross-sectional dimension of the central portion of the cavity of the recuperator housing 11 and the cross-sectional dimension of the air outlet 112.
The tapered hollow structure comprises a tapered heat conducting cylinder 132 and a heat conducting rib plate 133, a plurality of openings 1321 are formed in the side wall of the tapered heat conducting cylinder 132, and the heat conducting rib plate 133 is located on the inner side of the tapered heat conducting cylinder 132 and fixedly connected with the inner side and the heat conducting rib plate. The front and rear ends of the cone-shaped heat-conducting tube 132 are communicated. The heat-conducting rib 133 and the opening 1321 of the cone-shaped heat-conducting tube 132 form a heat-conducting duct therebetween. Specifically, the heat-conducting rib 133 includes a plurality of rib structures radially distributed around the center thereof, the rib structures are parallel to the center line of the recovery housing 11, and the air-guiding duct is formed between the adjacent rib structures and the opening 1321 of the conical heat-conducting tube 132. The opening 1321 of the cone-shaped heat-conducting tube 132 has a plurality of strip-shaped openings 1321, and the openings 1321 are arranged around the center line of the cone-shaped heat-conducting tube 132.
The spiral coil 12 includes a first spiral coil 121, the first spiral coil 121 is wound outside the conical heat conducting cylinder 132, and a gap is left between two adjacent circles of pipe bodies of the first spiral coil 121. The spiral line of the first spiral coil 121 is a three-dimensional conical spiral line.
The front and rear ends of the conical heat-conducting cylinder 132 are respectively provided with a front guide baffle 134 and a rear guide baffle 135. The outer edge of the front baffle 134 is smaller than the front opening of the cone-shaped heat-conducting cylinder 132, and the outer edge of the rear baffle 135 is smaller than the rear opening of the cone-shaped heat-conducting cylinder 132.
The heat conducting support 13 further comprises a support 131 connected between the conical hollow structure and the regenerator housing 11, wherein the support 131 is formed by a cross-shaped square tube, and the end part of the support is connected with the regenerator housing 11 through a screw. The support 131 includes two and is located the front side and the rear side of tapered hollow out construction respectively, and the both ends are connected with the support 131 that is located the front side and the support 131 that is located the rear side respectively around the tapered heat conduction section of thick bamboo 132. The front and rear baffle plates 134 and 135 are fixed to the bracket 131 at the front side and the bracket 131 at the rear side, respectively.
The spiral coil 12 includes a second spiral coil 122, and the second spiral coil 122 is wound on the bracket 131 with a gap between two adjacent turns of the second spiral coil 122. The spiral line of the second spiral coil 122 is a two-dimensional spiral line, and the plane of the two-dimensional spiral line is perpendicular to the central line of the casing 11 of the recoverer.
When air enters the regenerator casing 11 from the air inlet 111, the air firstly passes through the bracket 131 and the second spiral coil 122 at the front end, then a part of the air passes through the space between the outer wall of the front end of the conical heat-conducting cylinder 132 and the inner wall of the regenerator casing 11, and the other part of the air bypasses the front guide flow baffle 134 and enters the space between the inner wall of the conical heat-conducting cylinder 132 and the heat-conducting rib plate 133. The air continues to flow backward, a part of the air passes through the space between the outer wall of the rear end of the conical heat-conducting tube 132 and the inner wall of the regenerator housing 11, and the other part of the air passes around the rear diversion baffle 135 and passes through the space between the outer edge of the diversion baffle 135 and the inner wall of the rear end of the conical heat-conducting tube 132.
The high-pressure gas inlet 123 is close to the air outlet 112 side of the regenerator housing 11, and the high-pressure gas outlet 124 is close to the air inlet 111 side of the regenerator housing 11.
The caliber of the spiral coil 12 is larger than that of the high-pressure gas inlet 123, so that the high-pressure gas has a pressure relief effect when flowing into the gas heat power recoverer 1 through the high-pressure gas inlet 123 and is changed into flowing high-pressure cold gas. The high-pressure cold air in the spiral coil 12 and the hot air flowing through the gas heat power recoverer 1 form a great temperature difference, and the heat exchange efficiency is greatly improved. After the high-pressure cold air in the spiral coil 12 is heated in the gas thermal power recoverer 1 through heat exchange, the temperature of the high-pressure cold air at the outlet is obviously higher than that of the high-pressure cold air at the inlet, the pressure is unchanged or is only slightly reduced, and the high-pressure cold air can normally enter a jet engine to cool the engine subsequently.
The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.
Claims (8)
1. A gas thermal power recoverer (1) is characterized by comprising a cylindrical recoverer shell (11) with two ends respectively provided with an air inlet (111) and an air outlet (112), wherein a heat-conducting support (13) is connected in the recoverer shell (11); the heat conduction bracket (13) comprises a tapered hollow structure of which the cross section is gradually increased along the flow direction of hot air; spiral coil pipes (12) are wound on the heat conduction supports (13), and two ends of each spiral coil pipe (12) are respectively a high-pressure gas inlet (123) and a high-pressure gas outlet (124).
2. A gas thermodynamic recuperator as claimed in claim 1, characterized in that the cross-sectional dimensions of the inlet opening (111) are smaller than the cross-sections of both the central part of the inner chamber of the recuperator housing (11) and the outlet opening (112).
3. The gas thermodynamic recoverer according to claim 1 or 2, wherein the conical hollowed-out structure comprises a conical heat-conducting cylinder (132) and heat-conducting ribs (133), a plurality of openings (1321) are formed in the side wall of the conical heat-conducting cylinder (132), and the heat-conducting ribs (133) are located inside the conical heat-conducting cylinder (132); the front end and the rear end of the conical heat-conducting cylinder (132) are communicated; an air guide channel is formed between the heat conduction rib plate (133) and the opening hole (1321) of the conical heat conduction cylinder (132).
4. A gas thermodynamic recoverer according to claim 3, wherein the spiral coil (12) comprises a first spiral coil (121), the first spiral coil (121) is wound outside the conical heat-conducting cylinder (132) with a gap between two adjacent turns of the first spiral coil (121).
5. A gas thermodynamic recoverer according to claim 3, wherein the front and rear ends of the conical heat-conducting cylinder (132) are respectively provided with a front guide baffle (134) and a rear guide baffle (135); the outer edge of the front flow guide baffle plate (134) is smaller than the front end opening of the conical heat-conducting cylinder (132), and the outer edge of the rear flow guide baffle plate (135) is smaller than the rear end opening of the conical heat-conducting cylinder (132).
6. A gas thermodynamic recovery device according to claim 1 or 4, wherein the heat conducting support (13) further comprises a support (131) connected between the tapered hollow structure and the recovery device housing (11), the spiral coil (12) comprises a second spiral coil (122), the second spiral coil (122) is wound on the support (131) with a gap between two adjacent turns of the second spiral coil (122).
7. A gas thermodynamic recuperator as claimed in claim 1, wherein the high pressure gas inlet (123) is located adjacent the outlet (112) side of the recuperator housing (11) and the high pressure gas outlet (124) is located adjacent the inlet (111) side of the recuperator housing (11).
8. A gas thermodynamic recoverer according to claim 1, wherein the diameter of the spiral coil (12) is greater than the diameter of the high pressure gas inlet (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511584.9U CN218566234U (en) | 2022-03-09 | 2022-03-09 | Gas thermal power recoverer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511584.9U CN218566234U (en) | 2022-03-09 | 2022-03-09 | Gas thermal power recoverer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218566234U true CN218566234U (en) | 2023-03-03 |
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ID=85303425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220511584.9U Active CN218566234U (en) | 2022-03-09 | 2022-03-09 | Gas thermal power recoverer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218566234U (en) |
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- 2022-03-09 CN CN202220511584.9U patent/CN218566234U/en active Active
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