CN215057766U - Heat regenerator for gas turbine - Google Patents
Heat regenerator for gas turbine Download PDFInfo
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- CN215057766U CN215057766U CN202120904290.8U CN202120904290U CN215057766U CN 215057766 U CN215057766 U CN 215057766U CN 202120904290 U CN202120904290 U CN 202120904290U CN 215057766 U CN215057766 U CN 215057766U
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Abstract
The utility model discloses a heat regenerator for a gas turbine, which comprises a heat regenerator inner wall, a heat regenerator outer wall, a heat regenerator top plate and a heat regenerator bottom plate; the heat regenerator is cylindrical, and a hollow cavity is formed among the inner wall of the heat regenerator, the outer wall of the heat regenerator, the top plate of the heat regenerator and the bottom plate of the heat regenerator in a closed manner; a plurality of curved surfaces are sequentially arranged between the inner wall of the heat regenerator and the outer wall of the heat regenerator, pits and bulges are arranged on the curved surfaces, and a flue gas airflow channel and an air airflow channel are formed among the curved surfaces, the top plate of the heat regenerator and the bottom plate of the heat regenerator; the gas inlet is annularly arranged on one side, close to the heat regenerator bottom plate, of the inner wall of the heat regenerator, the air outlet is annularly arranged on one side, far away from the heat regenerator bottom plate, of the inner wall of the heat regenerator, the gas outlet is formed in the top plate of the heat regenerator, and the air inlet is formed in the heat regenerator bottom plate. The utility model discloses a regenerator for gas turbine simple structure, convenient to use through setting up crisscross arch and the pit that distributes on the curved surface, has increased heat transfer area, has improved heat exchange efficiency greatly.
Description
Technical Field
The utility model relates to a gas turbine technical field, concretely relates to regenerator for gas turbine.
Background
The high-temperature gas flowing out of the traditional micro gas turbine from the turbine is directly discharged to the atmospheric environment, so that the energy is wasted, and the heat efficiency of the whole machine is not high. Meanwhile, the temperature of air entering the combustion chamber is low, the temperature rise of the combustion chamber is not high, and the subsequent working capacity of airflow is influenced.
A heat regenerator is arranged on a traditional gas turbine, high-temperature gas exhausted by the turbine is guided into the heat regenerator to exchange heat with air from an outlet of a gas compressor in the heat regenerator, and when the gas subjected to heat exchange by the heat exchanger enters a combustion chamber again, the temperature of inlet air of the combustion chamber rises, the enthalpy value is increased, ignition and combustion of fuel in the combustion chamber are facilitated, the temperature rise of the combustion chamber is improved, and the subsequent acting capacity of airflow is increased.
Based on the above situation, the utility model provides a regenerator for gas turbine can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a regenerator for gas turbine. The utility model discloses a regenerator for gas turbine simple structure, convenient to use through setting up crisscross arch and the pit that distributes on the curved surface, has increased heat transfer area, has improved heat exchange efficiency greatly.
The utility model discloses a following technical scheme realizes:
a heat regenerator for a gas turbine comprises an inner wall of the heat regenerator, an outer wall of the heat regenerator, a top plate of the heat regenerator and a bottom plate of the heat regenerator; the heat regenerator is cylindrical, and a hollow cavity is formed among the inner wall of the heat regenerator, the outer wall of the heat regenerator, the top plate of the heat regenerator and the bottom plate of the heat regenerator in a closed manner;
a plurality of curved surfaces are sequentially arranged between the inner wall of the heat regenerator and the outer wall of the heat regenerator, pits and bulges are arranged on the curved surfaces, and a flue gas airflow channel and an air airflow channel are formed among the curved surfaces, the top plate of the heat regenerator and the bottom plate of the heat regenerator;
a flue gas inlet is annularly arranged on one side, close to the bottom plate of the heat regenerator, of the inner wall of the heat regenerator, an air outlet is annularly arranged on one side, far away from the bottom plate of the heat regenerator, of the inner wall of the heat regenerator, a flue gas outlet is formed in the top plate of the heat regenerator, and an air inlet is formed in the bottom plate of the heat regenerator;
the gas inlet is connected to flue gas airflow channel one end, and the exhanst gas export is connected to the other end, air airflow channel one end is connected air inlet, and the air export is connected to the other end, just flue gas airflow channel both sides are air airflow channel, air airflow channel both sides are flue gas airflow channel.
An object of the utility model is to provide a regenerator for gas turbine. The utility model discloses a regenerator for gas turbine simple structure, convenient to use through setting up crisscross arch and the pit that distributes on the curved surface, has increased heat transfer area, has improved heat exchange efficiency greatly.
Preferably, the inner wall of the regenerator is provided with a baffle.
Preferably, the regenerator bottom plate extends to the outer side of the outer wall of the regenerator, and a mounting hole is formed in the part of the regenerator bottom plate extending to the outer side of the outer wall of the regenerator.
Preferably, the number of the air inlets and the number of the air outlets are 6, and each air inlet corresponds to a different air outlet.
Preferably, the number of the flue gas inlets and the number of the flue gas outlets are 6, and each flue gas inlet corresponds to a different flue gas outlet.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
an object of the utility model is to provide a regenerator for gas turbine. The utility model discloses a regenerator for gas turbine simple structure, convenient to use through setting up crisscross arch and the pit that distributes on the curved surface, has increased heat transfer area, has improved heat exchange efficiency greatly.
1. The heat regenerator is arranged on the outer side of the combustion chamber of the gas turbine, so that heat loss of the combustion chamber to the outside can be effectively reduced;
2. through be distributed with spaced arch and pit on the curved surface, increased heat transfer area on the one hand, on the other hand some fluid can separately follow the protruding edge detour when meetting the arch at flow process, with the bellied fluid mixing of flowing through nearby, be favorable to the heat exchange between streamline intersection and the fluid to make fluid heat distribution more even, simultaneously, these arch and pit have the perturbation effect to the fluid flow, can strengthen turbulence intensity, thereby strengthen the heat transfer effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the present invention (from another perspective);
fig. 3 is a schematic sectional view of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 3, the utility model provides a regenerator for a gas turbine, which comprises a regenerator inner wall 1, a regenerator outer wall 2, a regenerator top plate 3 and a regenerator bottom plate 4;
a plurality of curved surfaces 5 are sequentially arranged between the inner wall 1 of the heat regenerator and the outer wall 2 of the heat regenerator, pits 51 and bulges 52 are arranged on the curved surfaces 5, and a flue gas airflow channel and an air airflow channel are formed among the curved surfaces 5, the top plate 3 of the heat regenerator and the bottom plate 4 of the heat regenerator;
a flue gas inlet 11 is annularly arranged on one side, close to the heat regenerator bottom plate 4, of the heat regenerator inner wall 1, an air outlet 12 is annularly arranged on one side, far away from the heat regenerator bottom plate 4, of the heat regenerator inner wall 1, a flue gas outlet 31 is formed in the heat regenerator top plate 3, and an air inlet 41 is formed in the heat regenerator bottom plate 4;
Example 2:
as shown in fig. 1 to 3, the utility model provides a regenerator for a gas turbine, which comprises a regenerator inner wall 1, a regenerator outer wall 2, a regenerator top plate 3 and a regenerator bottom plate 4;
a plurality of curved surfaces 5 are sequentially arranged between the inner wall 1 of the heat regenerator and the outer wall 2 of the heat regenerator, pits 51 and bulges 52 are arranged on the curved surfaces 5, and a flue gas airflow channel and an air airflow channel are formed among the curved surfaces 5, the top plate 3 of the heat regenerator and the bottom plate 4 of the heat regenerator;
a flue gas inlet 11 is annularly arranged on one side, close to the heat regenerator bottom plate 4, of the heat regenerator inner wall 1, an air outlet 12 is annularly arranged on one side, far away from the heat regenerator bottom plate 4, of the heat regenerator inner wall 1, a flue gas outlet 31 is formed in the heat regenerator top plate 3, and an air inlet 41 is formed in the heat regenerator bottom plate 4;
Further, in another embodiment, the baffle 6 is disposed on the regenerator inner wall 1.
The baffle 6 can block flue gas from entering the hollow part of the inner wall 1 of the heat regenerator, and the flue gas is prevented from occupying too large space to influence the air combustion efficiency.
Further, in another embodiment, the regenerator bottom plate 4 extends to the outer side of the regenerator outer wall 2, and a mounting hole 42 is formed on a portion of the regenerator bottom plate 4 extending to the outer side of the regenerator outer wall 2.
The mounting holes 42 are provided to facilitate connection of other components.
Further, in another embodiment, the number of the air inlets 41 and the number of the air outlets 12 are 6, and each of the air inlets 41 corresponds to a different air outlet 12.
Further, in another embodiment, the number of the flue gas inlets 11 and the number of the flue gas outlets 31 are 6, and each flue gas inlet 11 corresponds to a different flue gas outlet 31.
Can set up the air and the flue gas passageway of different quantity according to actual demand, improve the utility model discloses an application scope.
It should be noted that besides the heat regenerator structure adopted by the utility model, a structure that a plurality of round pipes are communicated with flue gas can be adopted, the flue gas in the round pipes and the air outside the round pipes exchange heat,
fins can be added on the round tube to increase the heat exchange area of the flue gas and the air, so that the heat exchange efficiency is improved.
According to the description and drawings of the present invention, the heat regenerator for a gas turbine of the present invention can be easily manufactured or used by those skilled in the art, and can produce the positive effects described in the present invention.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (5)
1. A regenerator for a gas turbine, characterized by: the heat regenerator comprises a heat regenerator inner wall (1), a heat regenerator outer wall (2), a heat regenerator top plate (3) and a heat regenerator bottom plate (4); the heat regenerator is cylindrical, and a hollow cavity is formed between the inner wall (1) of the heat regenerator, the outer wall (2) of the heat regenerator, the top plate (3) of the heat regenerator and the bottom plate (4) of the heat regenerator in a sealed manner;
a plurality of curved surfaces (5) are sequentially arranged between the inner wall (1) and the outer wall (2) of the heat regenerator, pits (51) and bulges (52) are arranged on the curved surfaces (5), and a flue gas airflow channel and an air airflow channel are formed among the curved surfaces (5), the top plate (3) of the heat regenerator and the bottom plate (4) of the heat regenerator;
a flue gas inlet (11) is annularly arranged on one side, close to the heat regenerator bottom plate (4), of the heat regenerator inner wall (1), an air outlet (12) is annularly arranged on one side, far away from the heat regenerator bottom plate (4), of the heat regenerator inner wall (1), a flue gas outlet (31) is formed in the heat regenerator top plate (3), and an air inlet (41) is formed in the heat regenerator bottom plate (4);
flue gas inlet (11) is connected to flue gas airflow channel one end, and exhanst gas outlet (31) is connected to the other end, air airflow channel one end is connected air inlet (41), and air outlet (12) is connected to the other end, just flue gas airflow channel both sides are air airflow channel, air airflow channel both sides are flue gas airflow channel.
2. The regenerator for a gas turbine according to claim 1, wherein: and a baffle (6) is arranged on the inner wall (1) of the heat regenerator.
3. The regenerator for a gas turbine according to claim 1, wherein: the heat regenerator comprises a regenerator bottom plate (4) and is characterized in that the regenerator bottom plate (4) extends to the outer side of the outer wall (2) of the heat regenerator, and a mounting hole (42) is formed in the part, extending to the outer side of the outer wall (2), of the regenerator bottom plate (4).
4. The regenerator for a gas turbine according to claim 1, wherein: the number of the air inlets (41) and the number of the air outlets (12) are respectively 6, and each air inlet (41) corresponds to a different air outlet (12).
5. The regenerator for a gas turbine according to claim 1, wherein: the number of the flue gas inlets (11) and the number of the flue gas outlets (31) are 6, and each flue gas inlet (11) corresponds to different flue gas outlets (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120904290.8U CN215057766U (en) | 2021-04-28 | 2021-04-28 | Heat regenerator for gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120904290.8U CN215057766U (en) | 2021-04-28 | 2021-04-28 | Heat regenerator for gas turbine |
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| Publication Number | Publication Date |
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| CN215057766U true CN215057766U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120904290.8U Active CN215057766U (en) | 2021-04-28 | 2021-04-28 | Heat regenerator for gas turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153536A (en) * | 2021-04-28 | 2021-07-23 | 浙江意动科技股份有限公司 | Heat regenerator for gas turbine |
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2021
- 2021-04-28 CN CN202120904290.8U patent/CN215057766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153536A (en) * | 2021-04-28 | 2021-07-23 | 浙江意动科技股份有限公司 | Heat regenerator for gas turbine |
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