CN209308757U - A kind of cooling device of steam turbine - Google Patents
A kind of cooling device of steam turbine Download PDFInfo
- Publication number
- CN209308757U CN209308757U CN201920002638.7U CN201920002638U CN209308757U CN 209308757 U CN209308757 U CN 209308757U CN 201920002638 U CN201920002638 U CN 201920002638U CN 209308757 U CN209308757 U CN 209308757U
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- CN
- China
- Prior art keywords
- cooling
- solenoid valve
- way solenoid
- rotor
- steam turbine
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Abstract
The utility model discloses a kind of cooling devices of steam turbine, are related to cooling device field；Including turbine, cooling gas tank, nozzle and cooling line, cooling air upper end is equipped with the first three-way solenoid valve, the escape pipe of cooling gas tank is connect with the first end of the first three-way solenoid valve, the second end of first three-way solenoid valve is connect by tracheae with the cooling line being located in rotor, the third end of first three-way solenoid valve is connect by connecting tube with the first end of the second three-way solenoid valve, the second end of second three-way solenoid valve is connect with supply air line, and the third end of the second three-way solenoid valve is connected by gas tube with the nozzle being located on the inside of turbine shell；The cooling means of two levels of use of the utility model, improves the cooling efficiency of steam turbine, extends the working time, improve labor efficiency.
Description
Technical field
The utility model relates to cooling device field, specially a kind of cooling device of steam turbine.
Background technique
Steam turbine at work, can generate great heat, if cooling not in time, can generate to machine great
Damage.And existing cooling means, it is to shut down cooling, and can then reduce working efficiency so mostly, reduces income.
Such as application No. is the steam turbine facility of CN201580013082.6 and for the method for cooling steam turbine, by
In forcing cooling to carry out cooling steam turbine, mode is: cooling air being pulled through steam turbine via suction unit；It is weighed
Benefit requires 8 to point out " wherein to fluidly connect cooling fluid inlet and the turbine cylinder after cutting off load, and will wear
The cooling fluid that the cooling fluid inlet flows into is crossed, is transported in the case where heat absorption along in normal power by means of suction unit
The direction that the useful steam of the steam turbine is flowed through when row is directed across the turbine cylinder "；Its type of cooling needs
Unloaded loads are wanted, labor efficiency is reduced.
Utility model content
The problems such as to solve above-mentioned cooling requirement shutdown or unloaded loads, reducing labor efficiency, the utility model design
A kind of cooling device of steam turbine.
A kind of cooling device of steam turbine, including turbine, cooling gas tank, nozzle and cooling line, the cooling gas tank
Top is equipped with first three-way solenoid valve, the first end company of the escape pipe of the cooling gas tank and first three-way solenoid valve
It connecing, the second end of first three-way solenoid valve is connect by tracheae with the cooling line being located in rotor, and described first
The third end of three-way solenoid valve is connect by connecting tube with the first end of the second three-way solenoid valve, second three-way solenoid valve
Second end is connect with supply air line, and the third end of second three-way solenoid valve by gas tube and is located in the turbine shell
The nozzle of side is connected.
Preferably, the air inlet pipe of the cooling line is located at the axis center of the rotor and passes through the rotor and the gas
Pipe rotation connection；The escape pipe of the cooling line is connected with the exhaust chamber in the output shaft for being located at the rotor, described defeated
Shaft side is equipped with the gas vent being connected with the exhaust chamber；The cooling line twist extends in the rotor.
Preferably, the connecting pin of the air inlet pipe is equipped with the first bulge loop, and forms first in the inside of first bulge loop
Groove forms the second groove in the outside of first bulge loop, and the connecting pin of the tracheae is equipped with to match with first groove
The second bulge loop closed and the third bulge loop being connect with the first bulge loop bearing, and the third matched with first bulge loop
Groove is equipped with sealing ring in first groove and the second groove.
Preferably, the inner wall of the turbine shell is equipped with the mounting groove for installing the nozzle, and the nozzle faces through-flow
Runner.
Preferably, the supply air line is connected with vaporium, and the bottom side of the turbine passes through exhaust pipe and pumping
Pump connection.
Preferably, the rotor is equipped with temperature sensor.
Compared with the prior art, the advantages of the utility model are: the cooling side of two levels of use of the utility model
Method improves the cooling efficiency of steam turbine, extends the working time, improves labor efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structure chart of the utility model；
Fig. 3 is the attachment structure schematic diagram of the utility model air inlet pipe and tracheae.
Wherein, the cooling gas tank of 1- turbine, 2-, 3- nozzle, the first three-way solenoid valve of 4-, 5- cooling line, 6- rotor, 7- row
Gas chamber, 8- vaporium, 9- aspiration pump.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment
As shown in Figure 1 to Figure 3, a kind of cooling device of steam turbine, including turbine 1, cooling gas tank 2, nozzle 3 and cooling
Pipeline 5, cooling 2 top of gas tank are equipped with first three-way solenoid valve, the escape pipe and described first of the cooling gas tank 2
The first end of three-way solenoid valve connects, the second end of first three-way solenoid valve 4 by tracheae be located at it is described in rotor 6
Cooling line 5 connects, and the third end of first three-way solenoid valve 4 is connected by connecting tube and the first end of the second three-way solenoid valve
It connects, the second end of second three-way solenoid valve is connect with supply air line, and the third end of second three-way solenoid valve is by filling
Tracheae is connected with the nozzle 3 being located on the inside of 1 shell of turbine.
The air inlet pipe of the cooling line 5 is located at the axis center of the rotor 6 and passes through the rotor 6 to be turned with the tracheae
Dynamic connection；The escape pipe of the cooling line 5 is connected with the exhaust chamber 7 in the output shaft for being located at the rotor 6, the output
Axis side is equipped with the gas vent being connected with the exhaust chamber 7；The cooling line 5 twist extends in the rotor 6.
The connecting pin of the air inlet pipe is equipped with the first bulge loop, and forms the first groove in the inside of first bulge loop,
The outside of first bulge loop forms the second groove, and the connecting pin of the tracheae is equipped with match with first groove second
Bulge loop and the third bulge loop being connect with the first bulge loop bearing, and the third groove matched with first bulge loop, institute
It states in the first groove and the second groove and is equipped with sealing ring.
The inner wall of 1 shell of turbine is equipped with the mounting groove for installing the nozzle 3, and the nozzle 3 faces through-flow runner.
In the present embodiment, the supply air line is connected with vaporium, and the bottom side of the turbine passes through exhaust pipe
It is connect with aspiration pump；The rotor is equipped with temperature sensor；The exhaust chamber is located at the outside of the turbine.
The course of work and principle: in the course of work of steam turbine, temperature sensor detects the temperature of turbine wheel
After reaching certain temperature, the first three-way solenoid valve is sent a signal to, opens the first three-way solenoid valve first end and second end, it is cooling
Compression cold air in gas tank enters cooling line, and cooling line works at this time, takes away the heat of rotor, cooling rotor；If rotor
Temperature continue to rise, when reaching certain value, temperature sensor sends a signal to vaporium and the second three-way solenoid valve, closes the
The second end of two three-way solenoid valves and the steam supply of vaporium, open simultaneously aspiration pump, take the steam in turbine away, then open
The third end of first three-way solenoid valve and the first end of the second three-way solenoid valve make to be partially compressed cold air from nozzle ejection, thus
Pressure cooling is carried out to rotor；After temperature of rotor is cooling, then the of the first three-way solenoid valve and the second three-way solenoid valve can be closed
The second end and vaporium of the second three-way solenoid valve, steam turbine task again are opened in one end.
Described on base, the cooling means of two levels of use of the utility model improves the cooling efficiency of steam turbine,
The working time is extended, labor efficiency is improved.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of cooling device of steam turbine, which is characterized in that including turbine (1), cooling gas tank (2), nozzle (3) and cooling
Pipeline (5), cooling gas tank (2) top are equipped with the first three-way solenoid valve, the escape pipe of the cooling gas tank (2) and described the
The first end of one three-way solenoid valve connects, and the second end of first three-way solenoid valve (4) by tracheae and is located in rotor (6)
The cooling line (5) connection, the third end of first three-way solenoid valve (4) passes through connecting tube and the second three-way solenoid valve
First end connection, the second end of second three-way solenoid valve connect with supply air line, the of second three-way solenoid valve
Three ends are connected by gas tube with the nozzle (3) being located on the inside of the turbine (1) shell.
2. a kind of cooling device of steam turbine according to claim 1, which is characterized in that the cooling line (5)
Air inlet pipe is located at the axis center of the rotor (6) and passes through the rotor (6) and tracheae rotation connection；The cooling line
(5) escape pipe is connected with the exhaust chamber (7) in the output shaft for being located at the rotor (6), the output shaft side be equipped with
The gas vent that the exhaust chamber (7) is connected；The cooling line (5) twist extends in the rotor (6).
3. a kind of cooling device of steam turbine according to claim 2, which is characterized in that the connecting pin of the air inlet pipe
The first groove is formed equipped with the first bulge loop, and in the inside of first bulge loop, forms second in the outside of first bulge loop
Groove, the connecting pin of the tracheae are equipped with the second bulge loop matched with first groove and connect with the first bulge loop bearing
The third bulge loop connect, and the third groove matched with first bulge loop are all provided in first groove and the second groove
There is sealing ring.
4. a kind of cooling device of steam turbine according to claim 1, which is characterized in that turbine (1) shell
Inner wall is equipped with the mounting groove for installing the nozzle (3), and the nozzle (3) faces through-flow runner.
5. a kind of cooling device of steam turbine according to claim 1, which is characterized in that the supply air line and steam
Room (8) is connected, and the bottom side of the turbine (1) is connect by exhaust pipe with aspiration pump (9).
6. a kind of cooling device of steam turbine according to claim 1, which is characterized in that the rotor (6) is equipped with
Temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920002638.7U CN209308757U (en) | 2019-01-02 | 2019-01-02 | A kind of cooling device of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920002638.7U CN209308757U (en) | 2019-01-02 | 2019-01-02 | A kind of cooling device of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209308757U true CN209308757U (en) | 2019-08-27 |
Family
ID=67680422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920002638.7U Active CN209308757U (en) | 2019-01-02 | 2019-01-02 | A kind of cooling device of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209308757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441566A (en) * | 2019-01-02 | 2019-03-08 | 安徽誉特双节能技术有限公司 | A kind of cooling device of steam turbine |
-
2019
- 2019-01-02 CN CN201920002638.7U patent/CN209308757U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441566A (en) * | 2019-01-02 | 2019-03-08 | 安徽誉特双节能技术有限公司 | A kind of cooling device of steam turbine |
| CN109441566B (en) * | 2019-01-02 | 2024-02-06 | 安徽誉特双节能技术有限公司 | Cooling device of steam turbine |
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