CN209011958U - A kind of starter of gas turbine - Google Patents
A kind of starter of gas turbine Download PDFInfo
- Publication number
- CN209011958U CN209011958U CN201821561412.2U CN201821561412U CN209011958U CN 209011958 U CN209011958 U CN 209011958U CN 201821561412 U CN201821561412 U CN 201821561412U CN 209011958 U CN209011958 U CN 209011958U
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- compressor
- heater
- gas turbine
- starter
- air
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Abstract
The utility model relates to gas turbine field, spy is related to a kind of starter of gas turbine.The utility model compressor outlet side is connect with air blower, and air blower rear portion connects heater, and heater is connect with compressor air inlet machine end, is blown on the impeller of compressor when flowing into from the air-flow that heater sucks from the inlet end of compressor；The blowing device is compressor or air blower.The device of the utility model is recycled using heater and is heated to starting air-flow, the speed of air-flow is improved, to enable the device quick start of the utility model.
Description
Technical field
The utility model relates to gas turbine field, spy is related to a kind of starter of gas turbine.
Background technique
Existing gas turbine air starting system will be atmospheric compressed by compressor set, high-pressure working medium is formed, by this
High-pressure working medium can start gas turbine.The pressure-air activation system needs volume and the huge compressor of power
Group, is unfavorable for large-scale promotion application, is not suitable for medium and small miniature gas turbine especially.
Chinese invention patent " a kind of gas turbine air starting apparatus and system " (application number 201610720142.4) is public
A kind of air starting device is opened, which is started by way of compressor compresses air, and, starting small with load is put down
The features such as steady.But the patent of invention needs mating high-speed gear box or high-speed motor real there are mating compressor set revolving speed height
Existing, exercise price is high, less economical, promotes problem at high cost.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of starter of gas turbine.The utility model
Device using heater recycle to starting working medium heat, the speed of working medium is improved, to enable the device of the utility model
Enough quick start gas turbines.
The technical solution of the utility model is: a kind of starting method of gas turbine, it is characterised in that: blowing device outlet air
Working medium is formed, working medium increases by heater energy, and speed improves, which blows on the impeller of compressor, compressor outlet
End is again introduced into blowing device, so that circulation is formed, the starting until completing gas turbine；The blowing device is preferably logical
Blower and air blower.It no longer needs to drive using high-speed gear box or high-speed motor compared with comparing patent, under same flow
Dynamic compressor, but need ordinary motor driving blower priming Working fluid flow that circulation can be completed.
According to a kind of starting method of gas turbine as described above, it is characterised in that: the compressor outlet side with
The first valve is added between blowing device or the second valve is added between heater and compressor.
According to a kind of starting method of gas turbine as described above, it is characterised in that: working medium is blown at compressor blade tip.
The invention also discloses a kind of starters of gas turbine, it is characterised in that: including blowing device and adds
Hot device, compressor outlet side are connect with blowing device, and blowing device rear portion connects heater, and heater and compressor air inlet machine end connect
It connects, is blown on the impeller of compressor when being flowed into from the working medium that heater sucks from the inlet end of compressor；The blowing device
For ventilation blower or air blower.
According to a kind of starter of gas turbine as described above, it is characterised in that: the compressor outlet side with
The first valve is added between blowing device or the second valve is added between heater and compressor.
According to a kind of starter of gas turbine as described above, it is characterised in that: working medium is blown at compressor blade tip.
According to a kind of starter of gas turbine as described above, it is characterised in that: the working medium temperature after heater
Degree reaches 200 DEG C~500 DEG C, and working medium reaches temperature to be influenced by the material of compressor impeller, if compressor impeller is aluminium alloy
Material, preferable temperature value are 200 DEG C；If compressor impeller is titanium alloy material, preferable temperature value is 500 DEG C.
According to a kind of starter of gas turbine as described above, it is characterised in that: further include gas turbine, combustion gas wheel
Machine includes compressor, combustion chamber, turbine, and combustion chamber input port is connect with compressor outlet side, and combustion chamber delivery outlet and turbine connect
It connects.
The beneficial effects of the utility model are: first is that working medium circulation is realized by blowing device, relative to compressor scheme
The embodiment of the utility model cost is greatly lowered；Second is that blowing device guarantees flow, gas energy is increased by heater
Amount improves working medium speed, keeps gas turbine capable of fast starting.Third is that starting working medium circulation is recycled using inside, it is no added
Or loss, the scope of application is not limited to use air as the gas turbine of working medium, further include use helium, carbon dioxide etc. as
The gas turbine of working medium can be used, and not need additionally to supplement working medium.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Detailed description of the invention: gas turbine 1, compressor 11, combustion chamber 12, turbine 13, load 14, starter 2, air blower
21, heater 22, the first valve 23, the second valve 24, motor 25.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with attached drawing.
A kind of starting method of gas turbine of the utility model, 21 outlet air of air blower form working medium by heater 22,
The working medium has the characteristic of high temperature and pressure, is blown on the impeller of compressor 11, is preferably blown at 11 blade tip of compressor using working medium.
11 outlet side of compressor is again introduced into air blower 21, so that circulation is formed, until the compressor 11 of gas turbine meets self-operating
It is required that completing the starting of gas turbine, air blower 21 and heater 22 can be closed.
In the method for the utility model, the first valve 23 can be added between 11 outlet side of compressor and air blower 21；
The second valve 24 is added between heater 22 and compressor 11.So on startup, valve is opened, after completing starting, is closed
Valve.Effect can be made to start more preferably by the control of working medium circulating direction and pipeline safety is higher.
The further embodiment of the utility model the most, air blower 21 can also use ventilation blower.
As shown in Figure 1, a kind of starter 2 of gas turbine of the utility model includes air blower 21, heater 22, valve
Door, valve include the first valve 23 and the second valve 24, the outlet side of compressor 11 by after the first valve 23 with air blower 21
Connection, 21 rear portion of air blower connect heater 22, and heater 22 is connect by the second valve 24 with 11 inlet end of compressor, from adding
The working medium that hot device 22 sucks is blown on the impeller of compressor 11 when flowing into from the inlet end of compressor 11, is preferably blown in compressor 11
At blade tip.As shown in Figure 1, air blower 21 drives rotation using motor 25.
The utility model can the first valve 23 and the second valve 24 settable one, that is, when can ensure that compressor 11 is normal,
By close valve make compressor 11 export other do not flow into starter 2, such as do not have valve, when may cause work,
Segment fluid flow flows into starter 2, and for gas turbine of less demanding, starter 2 can not set valve.First valve, 23 He
Second valve 24 is arranged simultaneously, and pipeline safety more preferable for the flow quantity control effect of working medium is higher.
As described in Figure 1, this gas turbine 1 includes compressor 11, combustion chamber 12, turbine 13, load 14, and combustion chamber 12 inputs
Mouth is connect with 11 outlet side of compressor, and 12 delivery outlet of combustion chamber is connect with turbine 13.The compressor 11 and turbine of the utility model
13 can be coaxially connected, and the rotation of turbine 13 drives compressor 11 to rotate.The utility model can be negative with compressor 11 or the connection of turbine 13
Carry 14.
The starter of the utility model, the Temperature of Working after heater 22 reach 200 DEG C~500 DEG C, and working medium reaches
It is influenced to temperature by the material of 11 impeller of compressor, if 11 impeller of compressor is aluminum alloy material, preferable temperature value is 200
℃；If 11 impeller of compressor is titanium alloy material, preferable temperature value is 500 DEG C.
In the utility model, air blower 21 and ventilation blower can be collectively referred to as blowing device.
Claims (6)
1. a kind of starter of gas turbine, it is characterised in that: including blowing device, heater, compressor outlet side with blow
Wind apparatus connection, blowing device rear portion connect heater, and heater is connect with compressor air inlet machine end, the air-flow sucked from heater
It is blown on the impeller of compressor when being flowed into from the inlet end of compressor.
2. a kind of starter of gas turbine according to claim 1, it is characterised in that: the compressor outlet side
The first valve is added between blowing device or the second valve is added between heater and compressor.
3. a kind of starter of gas turbine according to claim 1, it is characterised in that: air-flow is blown in compressor blade tip
Place.
4. a kind of starter of gas turbine according to claim 1, it is characterised in that: it further include gas turbine, combustion
Gas-turbine includes compressor, fuel chamber, turbine, and fuel chamber input port is connect with compressor outlet side, fuel chamber's delivery outlet and whirlpool
Wheel connection.
5. a kind of starter of gas turbine according to claim 1, it is characterised in that: the working medium after heater
Temperature range is 200 DEG C~500 DEG C, and when compressor impeller is aluminum alloy material, the Temperature of Working after heater is 200 DEG C；When
Compressor impeller is titanium alloy material, and the Temperature of Working after heater is 500 DEG C.
6. a kind of starter of gas turbine according to claim 1, it is characterised in that: the blowing device is logical
Blower or air blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821561412.2U CN209011958U (en) | 2018-09-25 | 2018-09-25 | A kind of starter of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821561412.2U CN209011958U (en) | 2018-09-25 | 2018-09-25 | A kind of starter of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011958U true CN209011958U (en) | 2019-06-21 |
Family
ID=66834159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821561412.2U Active CN209011958U (en) | 2018-09-25 | 2018-09-25 | A kind of starter of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209011958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026401A (en) * | 2018-09-25 | 2018-12-18 | 杭州螺旋新能源科技有限公司 | A kind of the starting method and starter of gas turbine |
-
2018
- 2018-09-25 CN CN201821561412.2U patent/CN209011958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026401A (en) * | 2018-09-25 | 2018-12-18 | 杭州螺旋新能源科技有限公司 | A kind of the starting method and starter of gas turbine |
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