CN107013695B - Poppet valve for gas turbine - Google Patents
Poppet valve for gas turbine Download PDFInfo
- Publication number
- CN107013695B CN107013695B CN201710421157.5A CN201710421157A CN107013695B CN 107013695 B CN107013695 B CN 107013695B CN 201710421157 A CN201710421157 A CN 201710421157A CN 107013695 B CN107013695 B CN 107013695B
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder
- valve
- spool
- 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.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000012423 maintenance Methods 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
- 238000005516 engineering process Methods 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
Gas turbine is a kind of using the gas continuously flowed as medium, thermal energy is converted to the dynamic power machine of mechanical work, greatly
It causes to include calm the anger part, combustion chamber, combustion gas turbine(Turbine)Three parts, fluid system include valve.
And during use, it is susceptible to gas turbine gas utilization rate deficiency, gas surplus object such as coke residual etc. is asked
Topic needs to solve, and fuel pressure fluctuation and gas hammer phenomenon often occurs.
Invention content
In order to overcome the above problem, the present invention to propose a kind of gas turbine poppet, solve the above problems.
The technical solution adopted by the present invention to solve the technical problems is:A kind of gas turbine poppet, including valve body,
Cylinder, spool, valve rod, I-shaped piston;Cylinder is located above valve body, I-shaped piston is equipped in cylinder, I-shaped piston includes upper work
Plug and lower piston, upper piston upper surface is recessed, lower piston lower surface fovea superior, is connected by connecting rod between upper lower piston, 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 lower piston diameter, upper piston top
Cylinder be equipped with upper gas port, the cylinder below lower piston is equipped with lower gas port, and flange, upper piston and cylinder are equipped with above cylinder
Upper piston chamber is surrounded, lower piston surrounds lower piston chamber with cylinder;
Spool includes left spool and right spool, is equipped on the valve seat of valve body;Valve rod lower end is equipped with stage portion, step
Left and right spool is connected below portion, stage portion is equipped with short column, cleaning sleeve is equipped with outside stage portion, cleans and is equipped with track in sleeve
Slot accommodates short column in track groove, and Clean Brush for cleaning is arranged in cleaning sleeve lining, and cleaning sleeve is located in lower piston chamber;
Sliding slot is equipped with below stage portion, left and right spool upper end is connect with sliding slot, and backstop, left and right valve are equipped among the spool of left and right
Spring is equipped among core, valve body lower-left, bottom-right location are equipped with fumarole, and fumarole is obliquely installed towards spool position, fumarole
In be equipped with screw thread and plug, the position of corresponding left and right spool is equipped with openable sealing plate immediately below valve body.
Preferably, the spring is equipped with 2.
Preferably, the valve seat includes spring, forms compensation valve seat.
Preferably, the valve core outer surface is arc.
Preferably, spool inner surface in left and right is equipped with recessed portion and accommodates spring.
Preferably, upper and lower gas port is located at cylinder the same side.
Preferably, short column is located at cleaning sleeve lower end when closed position.
Preferably, collecting tank is formed above sealing plate.
The beneficial effects of the invention are as follows:1, concave surface piston and I-shaped piston, the more stable driving of energy, and driving force are used
Bigger.Transform linear motion is to clean the rotation of sleeve, and then cleaned by the cooperation for 2, using short column and track groove,
Since cleaning sleeve is located in lower piston chamber, when ventilation, can carry out automatically cleaning.3, fumarole is used towards spool position to incline
Tiltedly setting, when spool is promoted, all areas can be purged to.4, quick maintaining structure is used, sealing plate, recruitment are opened
Tool presses backstop, then left and right spool can be moved along sliding rail, and the sundries of lower piston chamber is facilitated to be discharged, and it is special to be also convenient for manually using
Tool cleans spool.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that the present invention promotes 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 numeral is as follows:1, valve body 2, cylinder 3, spool 4, short column 5, air holes 6, upper stomata 7, flange 8, on
Piston 9, lower piston, 10, valve rod 11, cleaning sleeve 12, sliding slot 13, backstop 14, right puff prot 15, sealing plate 16, left puff prot 17,
Stage portion 18, fuels sources 19, combustion system 20, regulating valve 21, accumulator 22, check valve 23, the first solenoid valve 24, the second electromagnetism
Valve 25, spray gun.
Specific implementation mode
A kind of gas turbine poppet, including valve body, cylinder, spool, valve rod, I-shaped piston;Cylinder is located on valve body
It is square, I-shaped piston is equipped in cylinder, I-shaped piston includes upper piston and lower piston, and upper piston upper surface is recessed, lower piston following table
Face fovea superior is connected by connecting rod between upper lower piston, and the cylinder that the cylinder bore of upper piston position is less than lower piston position is straight
Diameter, upper piston diameter are less than lower piston diameter, and the cylinder above upper piston is equipped with upper gas port, is set on the cylinder below lower piston
There is lower gas port, flange is equipped with above cylinder, upper piston surrounds upper piston chamber with cylinder, and lower piston surrounds lower piston chamber with cylinder;
Spool includes left spool and right spool, is equipped on the valve seat of valve body;Valve rod lower end is equipped with stage portion, step
Left and right spool is connected below portion, stage portion is equipped with short column, cleaning sleeve is equipped with outside stage portion, cleans and is equipped with track in sleeve
Slot accommodates short column in track groove, and Clean Brush for cleaning is arranged in cleaning sleeve lining, and cleaning sleeve is located in lower piston chamber;
Sliding slot is equipped with below stage portion, left and right spool upper end is connect with sliding slot, and backstop, left and right valve are equipped among the spool of left and right
Spring is equipped among core, valve body lower-left, bottom-right location are equipped with fumarole, and fumarole is obliquely installed towards spool position, fumarole
In be equipped with screw thread and plug, the position of corresponding left and right spool is equipped with openable sealing plate immediately below valve body.
Preferably, the spring is equipped with 2.
Preferably, the valve seat includes spring, forms compensation valve seat.
Preferably, the valve core outer surface is arc.
Preferably, spool inner surface in left and right is equipped with recessed portion and accommodates spring.
Preferably, upper and lower gas port is located at cylinder the same side.
Preferably, short column is located at cleaning sleeve lower end when closed position.
Preferably, collecting tank is formed above sealing plate.
The valve is used for a kind of gas turbine energy reutilization system, and system includes fuels sources, combustion system, regulating valve, storage
It can device, check valve, the first solenoid valve, second solenoid valve, spray gun, poppet;Fuels sources connect combustion system, combustion system connection
Regulating valve, regulating valve connect accumulator, and check valve is connected on the right side of accumulator, and check valve is separately connected the first solenoid valve and the second electricity
Magnet valve, the first, second solenoid valve connect poppet, spray gun are connected on the downside of accumulator.
It includes three cleaning parts:1, the first cleaning part:The cooperation for using short column and track groove will move along a straight line
It is converted into the rotation of cleaning sleeve, and then is cleaned by inner wall hairbrush, since cleaning sleeve is located in lower piston chamber, is ventilated
When can carry out automatically cleaning.2, the second cleaning part:It uses fumarole to be obliquely installed towards spool position, be promoted in spool
When, all areas can be purged to.3, third cleaning part:Quick maintaining structure is used, sealing plate is opened, is pressed with tool
Backstop is pressed, then left and right spool can be moved along sliding rail, facilitated the sundries of lower piston chamber to be discharged, be also convenient for manually using special tool(s)
Clean spool.
Above-listed detailed description is illustrating for possible embodiments of the present invention, which is not 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, spool, valve rod, I-shaped piston;Cylinder position
Above valve body, I-shaped piston is equipped in cylinder, I-shaped piston includes upper piston and lower piston, and upper piston upper surface is recessed, under
Piston lower surface fovea superior is connected by connecting rod between upper lower piston, and the cylinder bore of upper piston position is less than lower piston position
Cylinder bore, upper piston diameter is less than lower piston diameter, and the cylinder above upper piston concave surface is equipped with upper stomata, lower work
The cylinder below concave surface is equipped with air holes beyond the Great Wall, and flange is equipped with above cylinder, and upper piston concave surface is surrounded with cylinder
Plunger shaft, lower piston upper recessed surface surround lower piston chamber with cylinder;Spool includes left spool and right spool, coordinates the valve on valve body
Seat;Lower piston lower end connects valve rod, and valve rod lower end is equipped with stage portion, connects left and right spool below stage portion, stage portion is equipped with
Short column is equipped with cleaning sleeve outside stage portion, cleans and is equipped with track groove in sleeve, short column is accommodated in track groove, cleans in sleeve
Clean Brush for cleaning is arranged in wall, and cleaning sleeve is located in lower piston chamber;Sliding slot, left and right spool upper end and sliding slot are equipped with below stage portion
Connection, left and right spool centre are equipped with backstop, and the backstop can be pressed in repair into stage portion;It is set among left and right spool
There are spring, valve body lower-left, bottom-right location to be equipped with puff prot, the puff prot is obliquely installed towards spool position, in puff prot
Equipped with screw thread and plug, the position of corresponding left and right spool is equipped with openable sealing plate immediately below valve body.
2. gas turbine poppet according to claim 1, it is characterised in that:The spring is equipped with 2.
3. gas turbine poppet according to claim 1, it is characterised in that:The valve seat includes spring, is formed and is 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 spool inner surface is equipped with recess
Portion accommodates spring.
6. gas turbine poppet according to claim 1, it is characterised in that:Upper and lower stomata is located at cylinder the same side.
7. gas turbine poppet according to claim 1, it is characterised in that:Short column is located at cleaning sleeve when closed position
Cylinder lower end.
8. gas turbine poppet according to claim 1, it is characterised in that:Collecting tank is formed above sealing plate.
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 CN107013695A (en) | 2017-08-04 |
CN107013695B true 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 |
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CN (1) | CN107013695B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112682562B (en) * | 2020-12-31 | 2022-09-30 | 重庆磐恒阀门有限公司 | Gas pressure control gas cut-off valve |
Citations (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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002174348A (en) * | 2000-12-04 | 2002-06-21 | Kubota Corp | Orifice valve |
-
2017
- 2017-06-07 CN CN201710421157.5A patent/CN107013695B/en not_active Expired - Fee Related
Patent Citations (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 |
Also Published As
Publication number | Publication date |
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CN107013695A (en) | 2017-08-04 |
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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 |