CN107013695A - Poppet valve for gas turbine - Google Patents
Poppet valve for gas turbine Download PDFInfo
- Publication number
- CN107013695A CN107013695A CN201710421157.5A CN201710421157A CN107013695A CN 107013695 A CN107013695 A CN 107013695A CN 201710421157 A CN201710421157 A CN 201710421157A CN 107013695 A CN107013695 A CN 107013695A
- Authority
- CN
- China
- Prior art keywords
- valve
- piston
- cylinder
- valve element
- gas turbine
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 238000012423 maintenance Methods 0.000 claims abstract 2
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
A lift valve for a gas turbine comprises a valve body, a cylinder, a valve core, a valve rod and an I-shaped piston; and comprises the following steps: 1. a first cleaning section: the matching of the short column and the track groove is adopted, the linear motion is converted into the rotation of the cleaning sleeve, and then the cleaning is carried out through the inner wall brush, and the self-cleaning can be carried out during the ventilation because the cleaning sleeve is positioned in the lower piston cavity. 2. A second cleaning section: the gas injection holes are obliquely arranged towards the valve core, so that all areas can be purged when the valve core is lifted. 3. A third cleaning part: by adopting the quick maintenance structure, the closing plate is opened, the stop dog is pressed by a tool, the left valve element and the right valve element can move along the slide rail, sundries in the lower piston cavity can be conveniently discharged, and the valve elements can be conveniently and manually cleaned by using a special tool.
Description
Technical field
The present invention relates to field of fluid control, and in particular to a kind of gas turbine poppet.
Background technology
The gas that gas turbine is a kind of continuously to flow is converted to heat energy the dynamic power machine of mechanical work, greatly as medium
Cause to include calm the anger part, combustion chamber, combustion gas turbine（Turbine）Three parts, fluid system includes valve.
And during use, easily there is gas turbine gas utilization rate deficiency, gas surplus thing such as coke residual etc. is asked
Topic needs to solve, and fuel pressure fluctuation and gas hammer phenomenon often occurs.
The content of the invention
In order to overcome above mentioned problem, the present invention proposes a kind of gas turbine poppet, solved the above problems.
The technical solution adopted for the present invention to solve the technical problems is：A kind of gas turbine poppet, including valve body,
Cylinder, valve element, valve rod, I-shaped piston；Cylinder is located above valve body, and I-shaped piston is provided with cylinder, and I-shaped piston includes upper work
Plug and lower piston, upper piston upper surface are recessed, lower piston lower surface fovea superior, are connected between upper lower piston by connecting rod, upper work
The cylinder bore for filling in position is less than the cylinder bore of lower piston position, and upper piston diameter is less than above lower piston diameter, upper piston
Cylinder be provided with upper gas port, the cylinder below lower piston, which is provided with above lower gas port, cylinder, is provided with flange, upper piston and cylinder
Upper piston chamber is surrounded, lower piston surrounds lower piston chamber with cylinder；
Valve element includes left valve element and right valve element, is equipped with the valve seat of valve body；Valve rod lower end is provided with stage portion, stage portion
Side's connection left and right valve element, stage portion, which is provided with outside short column, stage portion, is provided with cleaning sleeve, and track groove is provided with cleaning sleeve,
Short column is accommodated in track groove, cleaning sleeve lining sets Clean Brush for cleaning, and cleaning sleeve is located in lower piston chamber；
Chute is provided with below stage portion, left and right valve element upper end is connected with chute, is provided with the middle of the valve element of left and right in backstop, left and right valve element
Between be provided with spring, valve body lower-left, bottom-right location are provided with fumarole, and fumarole is obliquely installed towards spool position, set in fumarole
The position for having correspondence left and right valve element immediately below screw thread and plug, valve body is provided with openable shrouding.
It is preferred that, the spring is provided with 2.
It is preferred that, the valve seat includes spring, forms compensation valve seat.
It is preferred that, the valve core outer surface is arc.
It is preferred that, left and right valve element inner surface accommodates spring provided with depressed part.
It is preferred that, gas port is located at cylinder the same side up and down.
It is preferred that, short column is located at cleaning sleeve lower end during closed position.
It is preferred that, collecting tank is formed above shrouding.
The beneficial effects of the invention are as follows：1st, concave surface piston and I-shaped piston, the more stable driving of energy, and driving force are employed
It is bigger.2nd, the cooperation of short column and track groove is employed, by rotation of the transform linear motion for cleaning sleeve, and then is cleaned,
Because cleaning sleeve is located in lower piston chamber, automatically cleaning can be carried out during ventilation.3rd, fumarole is employed towards spool position to incline
Tiltedly set, when valve element is lifted, all areas can be purged to.4th, quick maintaining structure is employed, shrouding, recruitment is opened
Tool presses backstop, then left and right valve element can be moved along slide rail, facilitate the debris of lower piston chamber to discharge, and is also convenient for manually using special
Instrument cleans valve element.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is present invention lifting valve body figure.
Fig. 2 is present invention cleaning sleeve schematic diagram.
Fig. 3 is system schematic where poppet of the present invention.
In figure, reference is as follows：1st, valve body 2, cylinder 3, valve element 4, short column 5, air holes 6, upper stomata 7, flange 8, on
Piston 9, lower piston, 10, valve rod 11, cleaning sleeve 12, chute 13, backstop 14, right puff prot 15, shrouding 16, left puff prot 17,
Stage portion 18, fuels sources 19, combustion system 20, regulating valve 21, accumulator 22, check valve 23, the first magnetic valve 24, the second electromagnetism
Valve 25, spray gun.
Embodiment
A kind of gas turbine poppet, including valve body, cylinder, valve element, valve rod, I-shaped piston；Cylinder is located on valve body
I-shaped piston is provided with side, cylinder, I-shaped piston includes upper piston and lower piston, and upper piston upper surface is recessed, lower piston following table
Connected between face fovea superior, upper lower piston by connecting rod, the cylinder bore of upper piston position is straight less than the cylinder of lower piston position
Footpath, the cylinder that upper piston diameter is less than above lower piston diameter, upper piston is provided with the cylinder below upper gas port, lower piston and set
Have and flange is provided with above lower gas port, cylinder, upper piston surrounds upper piston chamber with cylinder, lower piston surrounds lower piston chamber with cylinder；
Valve element includes left valve element and right valve element, is equipped with the valve seat of valve body；Valve rod lower end is provided with stage portion, stage portion
Side's connection left and right valve element, stage portion, which is provided with outside short column, stage portion, is provided with cleaning sleeve, and track groove is provided with cleaning sleeve,
Short column is accommodated in track groove, cleaning sleeve lining sets Clean Brush for cleaning, and cleaning sleeve is located in lower piston chamber；
Chute is provided with below stage portion, left and right valve element upper end is connected with chute, is provided with the middle of the valve element of left and right in backstop, left and right valve element
Between be provided with spring, valve body lower-left, bottom-right location are provided with fumarole, and fumarole is obliquely installed towards spool position, set in fumarole
The position for having correspondence left and right valve element immediately below screw thread and plug, valve body is provided with openable shrouding.
It is preferred that, the spring is provided with 2.
It is preferred that, the valve seat includes spring, forms compensation valve seat.
It is preferred that, the valve core outer surface is arc.
It is preferred that, left and right valve element inner surface accommodates spring provided with depressed part.
It is preferred that, gas port is located at cylinder the same side up and down.
It is preferred that, short column is located at cleaning sleeve lower end during closed position.
It is preferred that, collecting tank is formed above shrouding.
The valve is used for a kind of gas turbine energy reutilization system, and system includes fuels sources, combustion system, regulating valve, storage
Can device, check valve, the first magnetic valve, the second magnetic valve, spray gun, poppet；Fuels sources connect combustion system, combustion system connection
Connection check valve on the right side of regulating valve, regulating valve connection accumulator, accumulator, check valve connects the first magnetic valve and the second electricity respectively
Connection spray gun on the downside of magnet valve, first, second magnetic valve connection poppet, accumulator.
It includes three cleaning parts：1st, the first cleaning part：The cooperation of short column and track groove is employed, will be moved along a straight line
The rotation of cleaning sleeve is converted into, and then is cleaned by inwall hairbrush, because cleaning sleeve is located in lower piston chamber, ventilation
When can carry out automatically cleaning.2nd, the second cleaning part：Employ fumarole to be obliquely installed towards spool position, in valve element lifting
When, all areas can be purged to.3rd, the 3rd cleaning part：Quick maintaining structure is employed, shrouding is opened, is pressed with instrument
Backstop is pressed, then left and right valve element can be moved along slide rail, facilitated the debris of lower piston chamber to discharge, be also convenient for manually using special tool(s)
Clean valve element.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment simultaneously is not used to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (8)
1. a kind of gas turbine poppet, it is characterised in that：Including valve body, cylinder, valve element, valve rod, I-shaped piston；
Cylinder is located above valve body, and I-shaped piston is provided with cylinder, and I-shaped piston includes upper piston and lower piston, upper piston upper table
Face is recessed, lower piston lower surface fovea superior, is connected between upper lower piston by connecting rod, under the cylinder bore of upper piston position is less than
The cylinder bore of piston position, the cylinder that upper piston diameter is less than above lower piston diameter, upper piston concave surface is provided with upper
Cylinder below gas port, lower piston upper recessed surface, which is provided with above lower gas port, cylinder, is provided with flange, upper piston concave surface and gas
Cylinder surrounds upper piston chamber, and lower piston upper recessed surface surrounds lower piston chamber with cylinder；
Valve element includes left valve element and right valve element, coordinates the valve seat on valve body；Lower piston lower end connects valve rod, and valve rod lower end is provided with platform
Connection left and right valve element below rank portion, stage portion, stage portion is provided with outside short column, stage portion provided with cleaning sleeve, cleans sleeve
In be provided with track groove, short column is accommodated in track groove, cleaning sleeve lining sets Clean Brush for cleaning, and cleaning sleeve is located at lower piston chamber
In；
Chute is provided with below stage portion, left and right valve element upper end is connected with chute, backstop is provided with the middle of the valve element of left and right, the backstop exists
It can be pressed during maintenance and enter stage portion；Spring is provided with the middle of the valve element of left and right, valve body lower-left, bottom-right location are equipped with fumarole,
The fumarole is obliquely installed towards spool position, and correspondence left and right valve element immediately below screw thread and plug, valve body is provided with fumarole
Position be provided with openable shrouding.
2. gas turbine poppet according to claim 1, it is characterised in that：The spring is provided with 2.
3. gas turbine poppet according to claim 1, it is characterised in that：The valve seat includes spring, is formed and mended
Repay valve seat.
4. gas turbine poppet according to claim 1, it is characterised in that：The valve core outer surface is arc.
5. gas turbine poppet according to claim 1, it is characterised in that：Left and right valve element inner surface is provided with depressed part
Accommodate spring.
6. gas turbine poppet according to claim 1, it is characterised in that：Gas port is located at cylinder the same side up and down.
7. gas turbine poppet according to claim 1, it is characterised in that：Short column is located at cleaning sleeve during closed position
Cylinder lower end.
8. gas turbine poppet according to claim 1, it is characterised in that：Collecting tank is formed above shrouding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421157.5A CN107013695B (en) | 2017-06-07 | 2017-06-07 | Poppet valve for gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421157.5A CN107013695B (en) | 2017-06-07 | 2017-06-07 | Poppet valve for gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107013695A true CN107013695A (en) | 2017-08-04 |
| CN107013695B CN107013695B (en) | 2018-08-31 |
Family
ID=59452271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710421157.5A Expired - Fee Related CN107013695B (en) | 2017-06-07 | 2017-06-07 | Poppet valve for gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013695B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682562A (en) * | 2020-12-31 | 2021-04-20 | 重庆磐恒阀门有限公司 | Gas pressure control gas cut-off valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2846922Y (en) * | 2005-06-10 | 2006-12-13 | 重庆法腾机械制造有限责任公司 | Self cleaning parallel gate valve |
| CN202418596U (en) * | 2011-08-09 | 2012-09-05 | 朱贵龙 | Washing-free and self-cleaning stop valve |
| CN202580212U (en) * | 2012-04-10 | 2012-12-05 | 浙江联大阀门有限公司 | Corrosion-resistance parallel double-disc gate valve |
| CN202733129U (en) * | 2012-08-08 | 2013-02-13 | 内蒙古包钢钢联股份有限公司 | Sack dust catcher lifting valve device |
| CN104074992A (en) * | 2014-06-10 | 2014-10-01 | 安徽天康股份有限公司 | Self-cleaning type wear-resistant ceramic valve with double gate plates |
| CN204477345U (en) * | 2014-12-22 | 2015-07-15 | 安徽神剑新材料股份有限公司 | A kind of novel pneumatic push-pull valve |
| CN204828733U (en) * | 2015-07-29 | 2015-12-02 | 浙江有氟密阀门有限公司 | Pottery bleeder valve |
-
2017
- 2017-06-07 CN CN201710421157.5A patent/CN107013695B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682562A (en) * | 2020-12-31 | 2021-04-20 | 重庆磐恒阀门有限公司 | Gas pressure control gas cut-off valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107013695B (en) | 2018-08-31 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20190607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |