CN204591484U - A kind of gas turbine combustion Press cylinder device - Google Patents
A kind of gas turbine combustion Press cylinder device Download PDFInfo
- Publication number
- CN204591484U CN204591484U CN201520070859.XU CN201520070859U CN204591484U CN 204591484 U CN204591484 U CN 204591484U CN 201520070859 U CN201520070859 U CN 201520070859U CN 204591484 U CN204591484 U CN 204591484U
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- Prior art keywords
- outer shell
- chamber
- inner casing
- gas turbine
- cylinder device
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Abstract
The utility model relates to gas turbine technology field, disclose a kind of gas turbine combustion Press cylinder device, described combustion cylinder pressure comprises outer shell and inner casing, described inner casing is positioned at the below of outer shell, described inner casing and outer shell form the chamber of combustion cylinder pressure jointly, be provided with firing chamber in described chamber and connect multiple bearings of outer shell and inner casing, described bearing distributes along the circumference of described firing chamber, is provided with the bleed hole being communicated with described outer shell and inner casing in bearing described at least one.The utility model simplifies the structure in chamber, avoids impact on Combustion chamber design when cooling air is introduced, and makes firing chamber can evenly air inlet in circumferential direction.
Description
Technical field
The utility model relates to gas turbine technology field, particularly relates to a kind of gas turbine combustion Press cylinder device.
Background technique
The continuous innovation of modern gas turbines technology and development, for improving the overall thermal efficiency of combustion engine, turbine inlet temperature constantly raises.Turbine rotor blade works under high temperature environment as high-speed rotary part simultaneously, and only rely on the raising of materials'use temperature cannot meet actual user demand, turbine rotor blade must take the cooling of certain forms.The cooling air of turbine rotor blade is generally bled from gas compressor, and along with cooling requires more and more higher, rate of air sucked in required demand is also increasing, will cause the decline of thermal efficiency of gas turbine.
Therefore a kind of ideal method is, as shown in Figure 1, from the air that gas compressor 1 is extracted out, through supercooler 4, the temperature that gas compressor 1 is bled is reduced further, to reduce the flow of bleeding, increases the efficiency of cycle of complete machine.But adopt this scheme to cool, an inevitable problem is exactly, and how to be bled by cooled gas compressor 1, is reintroduced back to internal rotor, so that cooling turbine movable vane 7; Namely after gas compressor 1 is bled and cooled via cooler 4, by a cooler air entraining pipe 5, through combustion cylinder pressure 3, enter and turn quiet dish chamber 6, then enter rotor and turbine rotor blade 7 is cooled.Need by air entraining pipe 5 owing to drawing cooling air, air entraining pipe inevitably affects air inlet and the cooling of firing chamber 2; Simultaneously quantity and the quantity of firing chamber 2 of air entraining pipe 5 are difficult to be designed to the same, and therefore air entraining pipe 5 also can have an impact to the intake uniformity of firing chamber 2 in circumference, and then brings the difficult design of firing chamber 2.
Model utility content
(1) technical problem that will solve
The technical problems to be solved in the utility model is the impact on Combustion chamber design when how to avoid cooling air to introduce.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of gas turbine to fire Press cylinder device, described combustion cylinder pressure comprises outer shell and inner casing, described inner casing is positioned at the below of outer shell, described inner casing and outer shell form the chamber of combustion cylinder pressure jointly, be provided with firing chamber in described chamber and connect multiple bearings of outer shell and inner casing, described bearing distributes along the circumference of described firing chamber, is provided with the bleed hole being communicated with described outer shell and inner casing in bearing described at least one.
Wherein, described bearing is distributed on around described firing chamber.
Wherein, the number of described bearing is no less than three.
Wherein, described outer shell is provided with breathing pipe and cooler, and the two ends of described cooler are communicated with described outer shell by described breathing pipe, and the outlet side of described breathing pipe is communicated with described bleed hole.
Wherein, described chamber is connected with gas compressor, and the air outlet of described gas compressor is connected with the inlet end of described breathing pipe.
Wherein, described bleed hole is circular, oval or square.
Wherein, described bleed hole is machining or is formed by casting.
(3) beneficial effect
Compared with prior art, the utility model has the following advantages:
A kind of gas turbine combustion Press cylinder device that the utility model provides, described combustion cylinder pressure comprises outer shell and inner casing, described inner casing is positioned at the below of outer shell, described inner casing and outer shell form the chamber of combustion cylinder pressure jointly, be provided with firing chamber in described chamber and connect multiple bearings of outer shell and inner casing, described bearing distributes along the circumference of described firing chamber, is provided with the bleed hole being communicated with described outer shell and inner casing in bearing described at least one; Described bleed hole is arranged in bearing, thus air inlet and the cooling avoiding arranging air entraining pipe in chamber and affect firing chamber; Simplify the structure in chamber, thus make firing chamber can evenly air inlet in circumferential direction.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art gas turbine combustion cylinder pressure;
Fig. 2 is the schematic diagram of a kind of gas turbine combustion of the utility model Press cylinder device.
In figure: 1: gas compressor; 2: firing chamber; 3: combustion cylinder pressure; 4: cooler; 5: air entraining pipe; 6: turn quiet dish chamber; 7: turbine rotor blade; 8: outer shell; 9: inner casing; 10: bearing; 11: bleed hole; 12: breathing pipe; 13: rotor.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following instance for illustration of the utility model, but is not used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple ", " many ", " many groups " is two or more.
As shown in Figure 2, for a kind of gas turbine combustion cylinder pressure 3 structure that the utility model provides, described combustion cylinder pressure 3 comprises outer shell 8 and inner casing, described inner casing 9 is positioned at the below of outer shell 8, described inner casing 9 and outer shell 8 dock the common chamber forming combustion cylinder pressure 3, be provided with firing chamber in described chamber and connect multiple bearings 10 of outer shell 8 and inner casing 9, by described bearing 10, described inner casing 9 is connected as a whole with outer shell 8, described bearing 10 distributes along the circumference of described firing chamber, the bleed hole 11 being communicated with described outer shell 8 and inner casing 9 is provided with in bearing 10 described at least one, also described bleed hole 11 can be set on whole bearing 10 at most, described bleed hole 11 is preferably arranged along the central axis of described bearing 10, described bleed hole 11, for passing into cooled gas, cools corresponding parts.Owing to being arranged in bearing 10 by bleed hole 11, thus do not take the confined space of chamber, also simplify the overall structure of chamber.
Wherein, described bearing 10 is preferably distributed on around described firing chamber, thus ensures that firing chamber can evenly air inlet in circumferential direction.
Preferably, the number of described bearing 10 is no less than three.
In order to gas is cooled further, described outer shell 8 is provided with breathing pipe 12 and cooler 4, the two ends of described cooler 4 are communicated with described outer shell 8 by described breathing pipe 12, particularly, the outlet side of described breathing pipe 12 can be communicated with the end face of outer shell 8, the inlet end of described breathing pipe 12 can be communicated with the sidewall of outer shell 8, and the outlet side of described breathing pipe 12 is communicated with described bleed hole 11, for cooled gas is introduced described bleed hole 11 by described breathing pipe 12.
Wherein, described chamber is connected with gas compressor 1, and the air outlet of described gas compressor 1 is connected with the inlet end of described breathing pipe 12.Described inner casing 9 is positioned at the top of rotor 13, is provided with gap between described inner casing 9 and rotor 13, and the gap between described rotor 13 and inner casing 9 forms a turn quiet dish chamber 6, and described turn of quiet dish chamber 6 is communicated with turbine rotor blade 7; The cooled gas that described bleed hole 11 is discharged, through described turn of quiet dish chamber 6, flows into described turbine rotor blade 7, finally cools described turbine rotor blade 7.
Wherein, described bleed hole 11 can be easy to the shape of processing for circular, oval or square etc.The shape of described breathing pipe 12 can be straight line, also can be curve.
According to the convenience arranged, described bleed hole 11 is machining or is formed by casting.
As can be seen from the above embodiments, the utility model reasonable in design, by processing bleed hole 11 on bearing 10, decreasing the setting of independently air entraining pipe, simplifying the structure of chamber, avoids the impact of air entraining pipe on combustion chamber charge.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a gas turbine combustion Press cylinder device, it is characterized in that, described combustion cylinder pressure comprises outer shell and inner casing, described inner casing is positioned at the below of outer shell, described inner casing and outer shell form the chamber of combustion cylinder pressure jointly, be provided with firing chamber in described chamber and connect multiple bearings of outer shell and inner casing, described bearing distributes along the circumference of described firing chamber, is provided with the bleed hole being communicated with described outer shell and inner casing in bearing described at least one.
2. gas turbine combustion Press cylinder device as claimed in claim 1, it is characterized in that, described bearing is distributed on around described firing chamber.
3. gas turbine combustion Press cylinder device as claimed in claim 1, it is characterized in that, the number of described bearing is no less than three.
4. gas turbine combustion Press cylinder device as claimed in claim 1, it is characterized in that, described outer shell is provided with breathing pipe and cooler, and the two ends of described cooler are communicated with described outer shell by described breathing pipe, and the outlet side of described breathing pipe is communicated with described bleed hole.
5. gas turbine combustion Press cylinder device as claimed in claim 4, it is characterized in that, described chamber is connected with gas compressor, and the air outlet of described gas compressor is connected with the inlet end of described breathing pipe.
6. the gas turbine combustion Press cylinder device as described in any one of claim 1-5, is characterized in that, described bleed hole is circular, oval or square.
7. gas turbine combustion Press cylinder device as claimed in claim 6, is characterized in that, described bleed hole is machining or is formed by casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520070859.XU CN204591484U (en) | 2015-01-30 | 2015-01-30 | A kind of gas turbine combustion Press cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520070859.XU CN204591484U (en) | 2015-01-30 | 2015-01-30 | A kind of gas turbine combustion Press cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591484U true CN204591484U (en) | 2015-08-26 |
Family
ID=53927645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520070859.XU Withdrawn - After Issue CN204591484U (en) | 2015-01-30 | 2015-01-30 | A kind of gas turbine combustion Press cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591484U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632407A (en) * | 2015-01-30 | 2015-05-20 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Combustion press cylinder structure of gas turbine |
| CN105569742A (en) * | 2015-12-18 | 2016-05-11 | 清华大学 | Gas introducing device before gas turbine |
-
2015
- 2015-01-30 CN CN201520070859.XU patent/CN204591484U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632407A (en) * | 2015-01-30 | 2015-05-20 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Combustion press cylinder structure of gas turbine |
| CN104632407B (en) * | 2015-01-30 | 2019-10-01 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of gas turbine combustion cylinder pressure structure |
| CN105569742A (en) * | 2015-12-18 | 2016-05-11 | 清华大学 | Gas introducing device before gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combustion press cylinder structure of gas turbine Effective date of registration: 20161104 Granted publication date: 20150826 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20191001 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20191001 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191211 Granted publication date: 20150826 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |