CN112393010B - Solenoid valve controlled air release valve of gas turbine - Google Patents
Solenoid valve controlled air release valve of gas turbine Download PDFInfo
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- CN112393010B CN112393010B CN202011267960.6A CN202011267960A CN112393010B CN 112393010 B CN112393010 B CN 112393010B CN 202011267960 A CN202011267960 A CN 202011267960A CN 112393010 B CN112393010 B CN 112393010B
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- solenoid valve
- spring seat
- gas turbine
- piston
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- 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
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
- F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The application belongs to the field of fuel control systems, and particularly relates to a solenoid valve control air release valve of a gas turbine. The method comprises the following steps: the valve comprises a shell (1), an end cover (2), a control joint (3), a main spring seat (6), a main valve assembly (7) and a main spring (8). The utility model provides a gas turbine solenoid valve accuse bleed valve, is the solenoid valve accuse bleed valve that solenoid valve control structure and mechanical type gassing structure separated, has both fused the advantage of ordinary mechanical type bleed valve and solenoid valve accuse bleed valve, has rationally avoidd both defects. The air release valve is simple in structure, and the main valve assembly (7) is provided with the speed regulating structure, so that the air release valve can be opened quickly and closed slowly without an external air source; through setting up control joint (3) on the mounting hole of end cover (2), control joint (3) link to each other with the solenoid valve through the pipeline for solenoid valve control structure can arrange in the low temperature district, avoids because of the special development of high temperature special environment needs arouse that whole solenoid valve accuse bleed valve cost is on the high side, the maturity is on the low side.
Description
Technical Field
The application belongs to the field of fuel control systems, and particularly relates to a solenoid valve control air release valve of a gas turbine.
Background
When the gas turbine works in a non-design state (especially under a low working condition), the phenomenon that the circulation capacities of the front and rear booster stages of the gas compressor are not matched easily to cause front surge and rear vortex or front vortex and rear vortex is caused is easily caused. In consideration of the inherent inertia of a fuel control system, when a gas turbine is subjected to load shedding or sudden load increase and sudden load reduction, transient overshoot and stable time meeting the requirements of power grid indexes are difficult to guarantee at the same time.
At present, a gas turbine compressor middle stage air release valve and a power turbine front air release valve can be divided into a mechanical air release valve and a solenoid valve controlled air release valve. The mechanical air release valve can be generally divided into two types, one type does not depend on an external air source, the air release valve is controlled by the air pressure in the engine, but the quick opening and slow closing functions of the valve are difficult to realize, and meanwhile, the consistency degree of the valve action is poor; and in the second category, an external air source is required to introduce air, and the pressure of the upper cavity and the lower cavity of the valve core is adjusted by changing the pressure of the external air source, so that the instantaneous opening and slow closing control of the valve is realized. The electromagnetic valve control air release valve can meet the requirement of instantaneous opening and slow closing control of the valve, but compared with a simple mechanical air release valve, the structure complexity is higher, no matter the air release valve at the middle stage of an air compressor and the air release valve at the front part of a power turbine are in a high-temperature environment, the electromagnetic valve control structure in the air release valve needs to have high-temperature resistance and needs to be specially developed, the cost of the whole air release valve is higher, and the maturity is lower.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide a solenoid valve controlled bleed valve of a gas turbine to solve at least one problem in the prior art.
The technical scheme of the application is as follows:
a gas turbine solenoid valve controlled bleed valve comprising:
the device comprises a shell, a first opening and a second opening, wherein the upper end of the shell is provided with the first opening, the lower end of the shell is provided with the second opening, and the area of the first opening is larger than that of the second opening;
the end cover is arranged at the upper end of the shell and provided with an installation hole;
the control joint is arranged on the mounting hole of the end cover and is connected with the electromagnetic valve through a pipeline;
the main spring seat is sleeved in the shell, the upper end of the main spring seat is fixedly connected with the shell, and a first upper accommodating cavity and a first lower accommodating cavity which are communicated with each other are formed in the main spring seat;
the main valve component is sleeved in the main spring seat and comprises a piston, a piston rod, a speed regulator, a speed regulating spring seat and a speed regulating spring, wherein,
the piston comprises an upper piston section and a lower piston section, the upper piston section is arranged in a first upper accommodating cavity of the main spring seat and is tightly attached to the inner wall of the main spring seat, an upper end cavity A is arranged between the upper piston section and the end cover, the lower piston section is arranged in a first lower accommodating cavity of the main spring seat, a second upper accommodating cavity and a second lower accommodating cavity are arranged inside the lower piston section, the second upper accommodating cavity is communicated with the upper end cavity A, and a limiting plate is arranged between the second upper accommodating cavity and the second lower accommodating cavity;
the piston rod is inserted into the second lower accommodating cavity from the lower end of the main spring seat and is fixedly connected with the lower end of the lower section of the piston, the piston rod is provided with a blocking cover which can be matched with a second opening of the shell, and the blocking cover is provided with a through hole communicated with the second lower accommodating cavity;
the speed regulator is arranged in the second upper accommodating cavity and is fixedly connected with the inner wall of the lower section of the piston, a speed regulating cavity is arranged inside the speed regulator, a throttling hole is formed in the speed regulator, and the speed regulating cavity is communicated with the second upper accommodating cavity through the throttling hole;
the lower end of the speed regulating spring seat is abutted against the limiting plate, the upper end of the speed regulating spring seat is sleeved in the speed regulator by the lower end of the speed regulator and is in sliding connection with the speed regulator, and the lower end of the speed regulating spring seat is provided with a through hole for communicating the speed regulating cavity with the second lower accommodating cavity;
the speed regulating spring is arranged in the speed regulating cavity, the upper end of the speed regulating spring is abutted against the speed regulator, and the lower end of the speed regulating spring is abutted against the speed regulating spring seat;
the main spring is sleeved outside the main valve component, the upper end of the main spring is abutted to the main valve component, and the lower end of the main spring is abutted to the main spring seat.
Optionally, the end cover is installed at the upper end of the shell through a bolt and a spring washer in a matching manner.
Optionally, a first sealing ring is arranged at a joint of the upper piston section and the inner wall of the main spring seat.
Optionally, a second sealing ring is arranged at the joint of the control joint and the mounting hole of the end cover.
Optionally, the solenoid valve is provided on a support base of the gas turbine.
Optionally, an external thread is arranged on an outer wall surface of the speed regulator, an internal thread matched with the internal thread is arranged on an inner wall surface of the piston, and the speed regulator is connected with the piston through a thread.
Optionally, an outer square wrenching boss is arranged at the upper end of the speed governor and used for being matched with the inner square sleeve to fix the speed governor.
Optionally, a groove slideway is arranged on the inner wall surface of the speed regulator, a sliding boss is arranged on the outer wall surface of the speed regulation spring seat, and the sliding boss and the groove slideway are installed in a matched mode.
Optionally, the main valve assembly further comprises a filter screen, and the filter screen is matched with an elastic limit check ring and arranged in the second lower accommodating cavity of the lower piston section.
Optionally, the screen is funnel-shaped.
The invention has at least the following beneficial technical effects:
the gas turbine solenoid valve control air release valve has the advantages that the air release structure is simple, and the quick opening and the slow closing of the air release valve can be realized without an external air source; the solenoid valve control structure can be arranged in a low-temperature area, so that the problems that the cost of the whole solenoid valve control air release valve is high and the maturity is low due to the fact that the high-temperature special environment needs to be specially developed are avoided.
Drawings
FIG. 1 is a cross-sectional view of a solenoid valve controlled bleed valve of a gas turbine engine according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a main valve assembly of a solenoid valve controlled bleed valve of a gas turbine engine according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a gas turbine solenoid valve controlled bleed valve governor according to an embodiment of the present application;
FIG. 4 is a cross-sectional view of a speed governing spring seat of a solenoid valve controlled bleed valve of a gas turbine in accordance with an embodiment of the present application;
FIG. 5 is a cross-sectional view of a gas turbine solenoid controlled bleed valve according to an embodiment of the present application in a closed position;
FIG. 6 is a cross-sectional view of an open state of a solenoid-operated bleed valve of a gas turbine engine according to an embodiment of the present application.
Wherein:
1-a shell; 2-end cap; 3-control of the joint; 4-a bolt; 5-elastic cushion; 6-main spring seat; 7-a main valve assembly; 71-a piston; 72-a piston rod; 73-speed regulator; 74-speed regulating spring seat; 75-a filter screen; 76-elastic limit retainer ring; 77-speed regulating spring; 8-a main spring; 9-a first sealing ring; 10-second seal ring.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1 to 6.
The application provides a gas turbine solenoid valve accuse bleed valve includes: the valve comprises a shell 1, an end cover 2, a control joint 3, a main spring seat 6, a main valve assembly 7 and a main spring 8.
Specifically, as shown in fig. 1, the housing 1 is a cylinder with openings at two ends, the upper end of the housing is provided with a first opening, the lower end of the housing is provided with a second opening, and the area of the first opening is larger than that of the second opening; the end cover 2 is arranged at the upper end of the shell 1, and the end cover 2 is provided with a mounting hole; the control joint 3 is arranged on the mounting hole of the end cover 2, the control joint 3 is connected with the electromagnetic valve through a pipeline, and the electromagnetic valve control air release valve separated from the mechanical air release structure through the electromagnetic control structure enables the electromagnetic valve to be arranged in a low-temperature area of the gas turbine, such as a supporting base and the like, and can use a common electromagnetic valve on the market, thereby avoiding the problems of high manufacturing cost, poor reliability and the like caused by specially developing the electromagnetic valve in a high-temperature environment.
Further, main spring holder 6 is both ends open-ended barrel equally, and main spring holder 6 cover is established in the inside of casing 1, and its upper end and casing 1 fixed connection, lower extreme setting are favorable to the butt portion of 8 installations of main spring, and the inside of main spring holder 6 is provided with the first chamber and the first chamber that holds that hold that communicates each other on, and the first cross sectional area who holds the chamber is greater than the first cross sectional area who holds the chamber that holds. In this embodiment, the upper end of the main spring seat 6 is provided with a flange, the upper end of the housing 1 is provided with a clamping groove, the flange of the main spring seat 6 is arranged in the clamping groove of the housing 1, and when the end cover 2 is connected with the housing 1, the main spring seat 6 is fixedly connected with the housing 1 relatively.
Further, as shown in fig. 2 to 4, the main valve assembly 7 is sleeved inside the main spring seat 6, and the main valve assembly 7 includes a piston 71, a piston rod 72, a speed governor 73, a speed governing spring seat 74, and a speed governing spring 77. Wherein, piston 71 can be divided into two sections, including piston upper segment and piston hypomere, the piston upper segment sets up and holds in the chamber on main spring holder 6 is first, and closely laminate with the inner wall of main spring holder 6, the piston upper segment can hold the chamber up-and-down motion on main spring holder 6 is first, upper end chamber A has between piston upper segment and the end cover 2, the piston hypomere sets up and holds in the chamber under main spring holder 6's first, the inside of piston hypomere is provided with holds the chamber and holds the chamber under the second on the second, hold chamber and upper end chamber A intercommunication each other on the second, hold on the second and be provided with the limiting plate between the chamber under chamber and the second. Piston rod 72 is inserted into the second lower accommodating cavity of piston 71 from the lower end opening of main spring seat 6, and is in threaded connection with the lower end of the lower section of the piston, piston rod 72 is provided with a plug which can be matched with the second opening of housing 1, and the plug is provided with a through hole communicated with the second lower accommodating cavity. The speed regulator 73 is arranged in the second upper accommodating cavity of the piston 71 and is fixedly connected with the inner wall of the lower section of the piston, a speed regulating cavity is arranged inside the speed regulator 73, an orifice is formed in the speed regulator 73, and the speed regulating cavity is communicated with the second upper accommodating cavity of the piston 71 through the orifice. In this embodiment, the governor 73 is provided with a series of orifices which are uniformly distributed, and the size and number of the orifices are determined according to specific conditions. The lower end of the speed regulation spring seat 74 abuts against a limiting plate, and advantageously, a mounting groove for positioning can be arranged on the limiting plate, so that the speed regulation spring seat 74 can be conveniently mounted, the upper end of the speed regulation spring seat 74 is sleeved in the speed regulator 73 through a lower end opening of the speed regulator 73 and is in sliding connection with the speed regulator 73, and the lower end of the speed regulation spring seat 74 is provided with a through hole for communicating the speed regulation cavity with the second lower accommodating cavity of the piston 71. The governor spring 77 is disposed in the governor cavity with an upper end abutting an upper end plate of the governor 73 and a lower end abutting a lower end plate of the governor spring seat 74.
In addition, the main spring 8 is sleeved outside the main valve component 7, the upper end of the main spring is abutted against the main valve component 7, and the lower end of the main spring is abutted against the main spring seat 6.
In one embodiment of the present application, the end cap 2 is preferably mounted on the upper end of the housing 1 by means of bolts 4 and a spring washer 5.
In one embodiment of the present application, the first sealing ring 9 is preferably provided at a connection between the upper piston section of the piston 71 and the inner wall of the main spring seat 6, so as to improve the sealing effect. Preferably, a second sealing ring 10 is arranged at the joint of the control joint 3 and the mounting hole of the end cover 2, so that the sealing effect is improved.
In one embodiment of the present application, a male screw is provided on an outer wall surface of the governor 73, a female screw is provided on an inner wall surface of the piston 71, and the governor 73 and the piston 71 are screwed together. Advantageously, in this embodiment, the upper end of the speed adjuster 73 is provided with an outer square wrenching boss for cooperating with the inner square sleeve to fix the speed adjuster 73. Moreover, a groove slideway is arranged on the inner wall surface of the speed regulator 73 and is used as a stroke groove of the speed regulating spring seat 74, and a sliding boss is arranged on the outer wall surface of the speed regulating spring seat 74 and is matched with the groove slideway.
Advantageously, in this embodiment, the main valve assembly 7 may further include a filter screen 75, the filter screen 75 is disposed in the second lower receiving cavity of the lower piston section in cooperation with a resilient stop ring 76, and the resilient stop ring 76 is a resilient stop ring and has a limiting function, so as to prevent the filter screen 75 from axially shifting. In this embodiment, the filter screen 75 may be provided in a funnel shape.
The application discloses gas turbine solenoid valve accuse bleed valve according to gas turbine main runner gas pressure, the pretightning force of speed governing spring 77 of rational design main valve subassembly 7. When the gas flow passing through the throttling hole on the speed regulator 73 is too large, the speed regulating spring seat 74 slides upwards along the groove slideway under the action of the air pressure thrust force, correspondingly closes the throttling hole on the speed regulator 73 to play a role in regulating the gas flow entering the main valve component 7, and meanwhile, the filter screen 75 can protect the throttling hole from being blocked by impurities.
As shown in fig. 5 to 6, when the electromagnetic valve is powered off, the control joint 3 is communicated with the atmosphere through a pipeline, an upper end cavity a between the main valve assembly 7 and the end cover 2 is in a pressure relief state, and the main valve assembly 7 (a piston rod 72) moves upwards quickly under the action of gas pressure of a main runner of the gas turbine and spring force of a main spring 8, so that the quick opening of the air release valve is realized; when the electromagnetic valve is electrified, the pipeline connected with the control joint 3 is in a blocking state, gas in a main flow passage of the gas turbine enters the upper end cavity A through the main valve component 7, and because the area of the first opening of the shell 1 is larger than that of the second opening, namely the cross section area of the upper end cavity A of the main valve component 7 is larger than that of the lower end blocking cover, the air pressure of the upper end cavity A can push the main valve to close the deflation valve. Meanwhile, the flow of gas entering the upper end cavity A from the main runner of the gas turbine can be regulated, so that the movement speed of the main valve component 7 is limited, and the air release valve can realize the slow closing function.
The utility model provides a gas turbine solenoid valve accuse bleed valve, is the solenoid valve accuse bleed valve that solenoid valve control structure and mechanical type gassing structure separated, has both fused the advantage of ordinary mechanical type bleed valve and solenoid valve accuse bleed valve, has rationally avoidd both defects. The air release valve has a simple structure, and can realize quick opening and slow closing of the air release valve without an external air source; the solenoid valve control structure can be arranged in a low-temperature area, so that the problems that the cost of the whole solenoid valve control air release valve is high and the maturity is low due to the fact that special development is needed in a high-temperature special environment are avoided.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A gas turbine solenoid valve controlled bleed valve, comprising:
the device comprises a shell (1), wherein a first opening is formed in the upper end of the shell (1), a second opening is formed in the lower end of the shell, and the area of the first opening is larger than that of the second opening;
the end cover (2) is installed at the upper end of the shell (1), and a mounting hole is formed in the end cover (2);
the control joint (3) is arranged on the mounting hole of the end cover (2), and the control joint (3) is connected with the electromagnetic valve through a pipeline;
the main spring seat (6) is sleeved in the shell (1), the upper end of the main spring seat (6) is fixedly connected with the shell (1), and a first upper accommodating cavity and a first lower accommodating cavity which are communicated with each other are formed in the main spring seat (6);
the main valve component (7), the main valve component (7) is sleeved in the main spring seat (6), the main valve component (7) comprises a piston (71), a piston rod (72), a speed regulator (73), a speed regulation spring seat (74) and a speed regulation spring (77), wherein,
the piston (71) comprises an upper piston section and a lower piston section, the upper piston section is arranged in a first upper accommodating cavity of the main spring seat (6) and is tightly attached to the inner wall of the main spring seat (6), an upper end cavity A is arranged between the upper piston section and the end cover (2), the lower piston section is arranged in a first lower accommodating cavity of the main spring seat (6), a second upper accommodating cavity and a second lower accommodating cavity are arranged inside the lower piston section, the second upper accommodating cavity is communicated with the upper end cavity A, and a limiting plate is arranged between the second upper accommodating cavity and the second lower accommodating cavity;
the piston rod (72) is inserted into the second lower accommodating cavity from the lower end of the main spring seat (6) and is fixedly connected with the lower end of the lower section of the piston, the piston rod (72) is provided with a plug cover which can be matched with a second opening of the shell (1), and the plug cover is provided with a through hole communicated with the second lower accommodating cavity;
the speed regulator (73) is arranged in the second upper accommodating cavity and fixedly connected with the inner wall of the lower section of the piston, a speed regulating cavity is arranged inside the speed regulator (73), an orifice is formed in the speed regulator (73), and the speed regulating cavity is communicated with the second upper accommodating cavity through the orifice;
the lower end of the speed regulation spring seat (74) is abutted against the limiting plate, the upper end of the speed regulation spring seat is sleeved in the speed regulator (73) from the lower end of the speed regulator (73) and is in sliding connection with the speed regulator (73), and the lower end of the speed regulation spring seat (74) is provided with a through hole for communicating the speed regulation cavity with the second lower accommodating cavity;
the speed regulating spring (77) is arranged in the speed regulating cavity, the upper end of the speed regulating spring is abutted against the speed regulator (73), and the lower end of the speed regulating spring is abutted against the speed regulating spring seat (74);
the main spring (8), main spring (8) cover is established the main valve subassembly (7) outside, upper end butt main valve subassembly (7), the lower extreme butt main spring holder (6).
2. The gas turbine solenoid valve controlled bleed valve according to claim 1, characterised in that the end cover (2) is mounted on the upper end of the housing (1) by means of bolts (4) and elastic washers (5).
3. The solenoid valve controlled air release valve of a gas turbine as claimed in claim 1, wherein a first sealing ring (9) is arranged at the connection position of the upper section of the piston and the inner wall of the main spring seat (6).
4. The gas turbine solenoid valve controlled bleed valve according to claim 1, characterized in that a second sealing ring (10) is arranged at the connection of the control joint (3) and the mounting hole of the end cover (2).
5. The gas turbine solenoid valve controlled bleed valve of claim 4, wherein the solenoid valve is disposed on a support base of the gas turbine.
6. The gas turbine solenoid valve controlled bleed valve according to claim 1, characterized in that the outer wall surface of the speed regulator (73) is provided with external threads, the inner wall surface of the piston (71) is provided with matched internal threads, and the speed regulator (73) is in threaded connection with the piston (71).
7. The gas turbine solenoid valve controlled bleed valve according to claim 6, characterized in that the upper end of the speed regulator (73) is provided with an outer square wrenching boss for fitting an inner square sleeve to fix the speed regulator (73).
8. The solenoid valve controlled air release valve of a gas turbine as claimed in claim 7, wherein the inner wall surface of the speed regulator (73) is provided with a groove slideway, the outer wall surface of the speed regulating spring seat (74) is provided with a sliding boss, and the sliding boss is installed in a matching way with the groove slideway.
9. Gas turbine solenoid valve controlled bleed valve according to claim 1, characterised in that the main valve assembly (7) further comprises a sieve (75), the sieve (75) being arranged in a second lower receiving chamber of the lower piston section in cooperation with a circlip (76).
10. The gas turbine solenoid valve controlled bleed valve of claim 9, wherein the screen (75) is funnel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267960.6A CN112393010B (en) | 2020-11-13 | 2020-11-13 | Solenoid valve controlled air release valve of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267960.6A CN112393010B (en) | 2020-11-13 | 2020-11-13 | Solenoid valve controlled air release valve of gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112393010A CN112393010A (en) | 2021-02-23 |
| CN112393010B true CN112393010B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011267960.6A Active CN112393010B (en) | 2020-11-13 | 2020-11-13 | Solenoid valve controlled air release valve of gas turbine |
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| Country | Link |
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| CN (1) | CN112393010B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202733088U (en) * | 2012-03-16 | 2013-02-13 | 中国航空工业集团公司沈阳发动机设计研究所 | Stepless adjustable mechanical air bleed valve |
| US9353876B2 (en) * | 2012-03-19 | 2016-05-31 | William E. Woollenweber | Boost pressure control system for turbocharged internal combustion engines |
| CN204783279U (en) * | 2015-07-10 | 2015-11-18 | 中国航空工业集团公司沈阳发动机设计研究所 | Pneumatic control bleed valve and have its compressor system and aircraft |
| CN205118352U (en) * | 2015-10-29 | 2016-03-30 | 德耐尔压缩机制造（上海）有限公司 | Suction gas control valve |
| CN208090051U (en) * | 2018-02-27 | 2018-11-13 | 眉山中车制动科技股份有限公司 | From blocking air shut-off valve |
| DE102018108976A1 (en) * | 2018-04-16 | 2019-10-17 | Wabco Europe Bvba | Pressure relief valve |
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2020
- 2020-11-13 CN CN202011267960.6A patent/CN112393010B/en active Active
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| CN112393010A (en) | 2021-02-23 |
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