CN205823735U - The compressor bleed air collection device of gas turbine - Google Patents
The compressor bleed air collection device of gas turbine Download PDFInfo
- Publication number
- CN205823735U CN205823735U CN201620582552.2U CN201620582552U CN205823735U CN 205823735 U CN205823735 U CN 205823735U CN 201620582552 U CN201620582552 U CN 201620582552U CN 205823735 U CN205823735 U CN 205823735U
- Authority
- CN
- China
- Prior art keywords
- air
- compressor
- gas turbine
- air vent
- collection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013022 venting Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses the compressor bleed air collection device of a kind of gas turbine, including gas collection sleeve, gas collection sleeve fixed cover is located at the outside of inlet casing, is closed by the space outerpace of inlet casing and forms air collecting chamber；Circumferentially offering multiple air vent on inlet casing, air vent radially extends, and is connected with air inlet runner by air collecting chamber；Each air vent is provided with valve, by the aperture of Valve controlling air vent.Compressor can be exitted in gas turbine start-up course by this utility model, thus avoids compressor generation surge, venting is collected simultaneously, measures discharge quantity.
Description
Technical field
This utility model relates to the adnexa of a kind of gas turbine, and the compressor bleed air being specifically related to a kind of gas turbine is collected
Device.
Background technology
When the operation operating mode of the centrifugal compressor of gas turbine changes, the flow flowing through compressor increases, flow velocity
Increase, cause compressor surge, cause the judder of compressor workpiece, accelerate bearing and the damage of sealing.
In order to avoid this situation occurs in start-up course, it usually needs exit at compressor air inlet machine casing.
Commonplace form is, slots, backed at compressor inlet by gas on inlet casing；Or fluting guides to air inlet machine
Directly bleed off outside casket.Discharge quantity all cannot be collected or measures gaseous state and control by these structures.
Utility model content
Technical problem to be solved in the utility model is to provide the compressor bleed air collection device of a kind of gas turbine, it
Compressor generation surge can be avoided.
For solving above-mentioned technical problem, the technology solution party of the compressor bleed air collection device of this utility model gas turbine
Case is:
Including gas collection sleeve 3, gas collection sleeve 3 fixed cover is located at the outside of inlet casing 1, by the outside sky of inlet casing 1
Between close formed air collecting chamber；Circumferentially offering multiple air vent 1-1 on inlet casing 1, air vent 1-1 radially extends, will
Air collecting chamber connects with air inlet runner；Each air vent 1-1 is provided with valve, by the aperture of Valve controlling air vent 1-1.
Described gas collection sleeve 3 connects tolerance detector by escape pipe 4.
Described compressor is centrifugal compressor.
What this utility model can reach has the technical effect that
Compressor can be exitted in gas turbine start-up course by this utility model, thus avoids compressor to occur
Surge, collects venting simultaneously, measures discharge quantity.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram of the compressor bleed air collection device of this utility model gas turbine.
Description of reference numerals in figure:
1 is inlet casing, and 2 is impeller,
1-1 is air vent,
3 is gas collection sleeve, and 4 is escape pipe.
Detailed description of the invention
As it is shown in figure 1, the compressor bleed air collection device of this utility model gas turbine, including gas collection sleeve 3, gas-collecting sleeve
Cylinder 3 fixed covers are located at the outside of inlet casing 1, are closed by the space outerpace of inlet casing 1 and form air collecting chamber；
Circumferentially offering multiple air vent 1-1 on inlet casing 1, air vent 1-1 radially extends, by air collecting chamber with enter
Flow channel connects；
Air inlet runner is formed by the impeller 2 of inlet casing 1 with centrifugal compressor；
Each air vent 1-1 is provided with valve, by the aperture of Valve controlling air vent 1-1；
Gas collection sleeve 3 connects tolerance detector by escape pipe 4.
Operation principle of the present utility model is as follows:
According to each working condition requirement, by the aperture of Valve controlling air vent 1-1, the gas in air inlet runner is through air vent 1-
1 flows in gas collection sleeve 3, and gas is collected by gas collection sleeve 3, can be to the tolerance in gas collection sleeve 3 by tolerance detector
Measure, thus the deflated condition that compressor runs each operating mode measures and controls.
Claims (3)
1. the compressor bleed air collection device of a gas turbine, it is characterised in that: include gas collection sleeve (3), gas collection sleeve (3)
Fixed cover is located at the outside of inlet casing (1), is closed by the space outerpace of inlet casing (1) and forms air collecting chamber；
Circumferentially offering multiple air vent (1-1) on inlet casing (1), air vent (1-1) radially extends, by air collecting chamber with
Air inlet runner connects；
Each air vent (1-1) is provided with valve, by the aperture of Valve controlling air vent (1-1).
The compressor bleed air collection device of gas turbine the most according to claim 1, it is characterised in that: described gas collection sleeve
(3) tolerance detector is connected by escape pipe (4).
The compressor bleed air collection device of gas turbine the most according to claim 1, it is characterised in that: described compressor is
Centrifugal compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582552.2U CN205823735U (en) | 2016-06-16 | 2016-06-16 | The compressor bleed air collection device of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582552.2U CN205823735U (en) | 2016-06-16 | 2016-06-16 | The compressor bleed air collection device of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205823735U true CN205823735U (en) | 2016-12-21 |
Family
ID=57569491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620582552.2U Expired - Fee Related CN205823735U (en) | 2016-06-16 | 2016-06-16 | The compressor bleed air collection device of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205823735U (en) |
-
2016
- 2016-06-16 CN CN201620582552.2U patent/CN205823735U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 |