CN203248817U - Servo fuel gas adjusting valve - Google Patents
Servo fuel gas adjusting valve Download PDFInfo
- Publication number
- CN203248817U CN203248817U CN 201320194741 CN201320194741U CN203248817U CN 203248817 U CN203248817 U CN 203248817U CN 201320194741 CN201320194741 CN 201320194741 CN 201320194741 U CN201320194741 U CN 201320194741U CN 203248817 U CN203248817 U CN 203248817U
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- CN
- China
- Prior art keywords
- valve
- servo
- end cover
- shell body
- end cap
- 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
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Abstract
A servo fuel gas adjusting valve comprises a displacement sensor, a servo oil cylinder, a servo valve, a supporting frame, an upper end cover, a spring, an upper valve element, an upper valve seat, a flange disc, a valve shell body, a lower end cover, a lower valve element and a lower valve seat, wherein the displacement sensor is installed on the servo oil cylinder, the servo valve is installed on the lateral face of the servo oil cylinder, the servo oil cylinder is installed on the supporting frame, the upper end cover is installed on the upper portion outside the valve shell body, the supporting frame is installed at the upper portion of the upper end cover, the upper valve seat is installed at the upper portion inside the valve shell body, the upper valve element is installed on the upper valve seat, the spring is installed between the upper end cover and the upper valve element, the lower valve seat is installed at the lower portion inside the valve shell body, the lower valve element is installed on the lower valve seat, the flange disc is installed on the lateral face of the valve shell body, and the lower end cover is installed at the bottom of the valve shell body. The servo fuel gas adjusting valve has the advantages of being small in friction, quick in response, good in flow characteristic repeatability, high in accuracy, high in starting ignition success rate, and particularly suitable for long-term operation of gas turbines.
Description
Technical field
The utility model relates to gas turbine controlling device field, particularly a kind of servo gas control valve.
Background technique
At present, servo gas control valve is regulated metering for the gas discharge toward the firing chamber, can't accurately satisfy the needs of the various working staties of combustion machine, under the long-time running, and unstable properties.
The model utility content
The purpose of this utility model is in order to satisfy long-time running, improves reliability, and the spy provides a kind of servo gas control valve.
The utility model provides a kind of servo gas control valve, it is characterized in that: described servo gas control valve comprises displacement transducer 1, servo-cylinder 2, servovalve 3, support 4, upper end cap 5, spring 6, upper valve core 7, upper valve base 8, flange plate 9, valve chest 10, lower end cap 11, lower valve core 12, lower valve base 13;
Wherein: displacement transducer 1 is installed on the servo-cylinder 2, and servovalve 3 is installed in the side of servo-cylinder 2, and servo-cylinder 2 is installed on the support 4, and upper end cap 5 is installed in the exterior upper of valve chest 10, and support 4 is installed in upper end cap 5 tops;
Upper valve base 8 is installed in valve chest 10 inner upper, and upper valve core 7 is installed on the upper valve base 8, and spring 6 is installed between upper end cap 5 and the upper valve core 7; Lower valve base 13 is installed in valve chest 10 inner lower, and lower valve core 12 is installed on the lower valve base 13, and flange plate 9 is installed in the side of valve chest 10, and lower end cap 11 is installed in the bottom of valve chest 10.
Described flange plate 9 is two.
Advantage of the present utility model:
Servo gas control valve described in the utility model in the automatic control system of aero-derived gas turbine, is the final controlling element of commonly using.Frictional force is little, response is fast, and Flow characteristics good reproducibility, precision are high, is particularly conducive to the process that starts to work before the adjusted open loop, and the starting ignition success rate is high.Open loop control performance is stable, and degree of regulation is high, and the characteristics such as have that the control quality is good, reliability is high and line using is easy to maintenance are particularly suitable for the long-time running of gas turbine.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is servo gas control valve theory structure schematic diagram.
Embodiment
The present embodiment provides a kind of servo gas control valve, it is characterized in that: described servo gas control valve comprises displacement transducer 1, servo-cylinder 2, servovalve 3, support 4, upper end cap 5, spring 6, upper valve core 7, upper valve base 8, flange plate 9, valve chest 10, lower end cap 11, lower valve core 12, lower valve base 13;
Wherein: displacement transducer 1 is installed on the servo-cylinder 2, and servovalve 3 is installed in the side of servo-cylinder 2, and servo-cylinder 2 is installed on the support 4, and upper end cap 5 is installed in the exterior upper of valve chest 10, and support 4 is installed in upper end cap 5 tops;
Upper valve base 8 is installed in valve chest 10 inner upper, and upper valve core 7 is installed on the upper valve base 8, and spring 6 is installed between upper end cap 5 and the upper valve core 7; Lower valve base 13 is installed in valve chest 10 inner lower, and lower valve core 12 is installed on the lower valve base 13, and flange plate 9 is installed in the side of valve chest 10, and lower end cap 11 is installed in the bottom of valve chest 10.
Described flange plate 9 is two.
Claims (2)
1. servo gas control valve, it is characterized in that: described servo gas control valve comprises displacement transducer (1), servo-cylinder (2), servovalve (3), support (4), upper end cap (5), spring (6), upper valve core (7), upper valve base (8), flange plate (9), valve chest (10), lower end cap (11), lower valve core (12), lower valve base (13);
Wherein: displacement transducer (1) is installed on the servo-cylinder (2), servovalve (3) is installed in the side of servo-cylinder (2), servo-cylinder (2) is installed on the support (4), upper end cap (5) is installed in the exterior upper of valve chest (10), and support (4) is installed in upper end cap (5) top;
Upper valve base (8) is installed in valve chest (10) inner upper, and upper valve core (7) is installed on the upper valve base (8), and spring (6) is installed between upper end cap (5) and the upper valve core (7); Lower valve base (13) is installed in valve chest (10) inner lower, and lower valve core (12) is installed on the lower valve base (13), and flange plate (9) is installed in the side of valve chest (10), and lower end cap (11) is installed in the bottom of valve chest (10).
2. according to servo gas control valve claimed in claim 1, it is characterized in that: described flange plate (9) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194741 CN203248817U (en) | 2013-04-18 | 2013-04-18 | Servo fuel gas adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194741 CN203248817U (en) | 2013-04-18 | 2013-04-18 | Servo fuel gas adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203248817U true CN203248817U (en) | 2013-10-23 |
Family
ID=49375256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320194741 Expired - Fee Related CN203248817U (en) | 2013-04-18 | 2013-04-18 | Servo fuel gas adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203248817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527546A (en) * | 2013-11-01 | 2014-01-22 | 中国航天科技集团公司烽火机械厂 | Gas adjuster |
-
2013
- 2013-04-18 CN CN 201320194741 patent/CN203248817U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527546A (en) * | 2013-11-01 | 2014-01-22 | 中国航天科技集团公司烽火机械厂 | Gas adjuster |
| CN103527546B (en) * | 2013-11-01 | 2016-04-20 | 中国航天科技集团公司烽火机械厂 | A kind of gas regulator |
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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 |
Granted publication date: 20131023 Termination date: 20160418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |