KR20170095011A - Air Actuator Type Control Valve And Steam Turbine Generator Comprising Thereof - Google Patents

Air Actuator Type Control Valve And Steam Turbine Generator Comprising Thereof Download PDF

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Publication number
KR20170095011A
KR20170095011A KR1020160016464A KR20160016464A KR20170095011A KR 20170095011 A KR20170095011 A KR 20170095011A KR 1020160016464 A KR1020160016464 A KR 1020160016464A KR 20160016464 A KR20160016464 A KR 20160016464A KR 20170095011 A KR20170095011 A KR 20170095011A
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KR
South Korea
Prior art keywords
coupling
positioner
stem
actuator
coupled
Prior art date
Application number
KR1020160016464A
Other languages
Korean (ko)
Inventor
국응현
고준혁
Original Assignee
한국서부발전 주식회사
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Application filed by 한국서부발전 주식회사 filed Critical 한국서부발전 주식회사
Priority to KR1020160016464A priority Critical patent/KR20170095011A/en
Publication of KR20170095011A publication Critical patent/KR20170095011A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
    • 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
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
    • 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
    • F16K31/44—Mechanical actuating means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

The present invention provides an air driven control valve equipped with a positioner.
For example, a driver that generates a driving force by using air pressure; A yoke connected to the actuator; A stem that is installed through the driver and the yoke and adjusts the degree of opening of the pipe using the driving force of the actuator; And a positioner coupled to the stem and configured to feedback the force transmitted to the stem, the positioner adjusting the air supplied to the actuator using the feedback force, An air driven control valve is provided on the opposite side to which the valve is connected.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air-driven control valve and a steam turbine generator including the same,

The present invention relates to an air driven control valve.

A steam engine or a steam turbine can obtain electricity using water as an energy transfer medium. That is, a steam engine or a steam turbine generates steam by heating water, and generates electricity by driving the generated steam.

In order to supply or discharge steam to the steam engine or the steam turbine, a constant pressure must be maintained, and a valve capable of regulating the flow of the fluid is installed in order to keep the pressure of the pipe constant.

The valve can be divided into several types according to the operation mode. The types of valves can be divided into electric, pneumatic, and hydraulic type depending on the signal to operate the valve, and can be divided into Gate, Plug, Butterfly according to the shape of the opening and closing part. In addition, the type of the valve can be divided into a linear motion type, a rotation type, and the like in accordance with the movement of the trim.

Further, the control device can measure the pressure of the pipe and automatically control the valve, so that the pressure of the pipe provided with the valve can be kept constant.

In the present invention, the valve provided in the piping is an air driven control valve, and controls the flow of the fluid by opening and closing the valve with the air pressure acting as a driving force.

The present invention provides an air driven control valve equipped with a positioner.

The air driven control valve according to the present invention includes: a driver that generates a driving force by using air pressure; A yoke connected to the actuator; A stem that is installed through the driver and the yoke and adjusts the degree of opening of the pipe using the driving force of the actuator; And a positioner coupled to the stem and configured to feedback the force transmitted to the stem, the positioner adjusting the air supplied to the actuator using the feedback force, Can be installed on the opposite side to which they are connected.

The positioner may further include a bracket for mounting the actuator on an opposite side to the yoke.

And the bracket includes a driver fixture coupled to the driver; A positioner fixture coupled to the positioner; And a support portion for connecting the actuator fixing portion and the positioner fixing portion.

The link set may further include a link set passing through the actuator and coupled to an upper end of the stem protruding outside the actuator, wherein the link set may be connected to a feedback unit of the positioner.

Further, the link set includes a coupling coupled to an upper end of the stem at one end thereof; And a connector coupled to the other end of the coupling and coupled with a feedback portion of the positioner.

The coupling may have a first coupling hole formed at one end of the stem to which the upper end of the stem is inserted and a second coupling hole formed at the other end of the coupling, 2 coupling unit, and a head unit coupled to the feedback unit of the positioner.

In addition, a thread is formed on the upper end of the stem, a thread is formed on the inner surfaces of the first and second coupling holes of the coupling, and a thread is formed on the body of the connector.

In addition, the link set further includes a coupling nut coupled to the body portion of the connector and positioned between the coupling and the head of the connector when the connector is inserted and coupled to the second coupling aperture of the coupling .

The coupling may be formed with a through hole through which the fixing pin for fixing the upper end of the stem can be inserted from the outer surface of the coupling to the inner surface of the first coupling hole.

The air driven control valve may be installed in a pipe connecting the steam turbine and the condenser.

The air driven control valve of the present invention can prevent the positioner from being broken by installing the positioner at a certain distance from the pipe through which the steam moves and securing a work space for servicing the positioner to prevent a safety accident.

FIG. 1 is a conceptual diagram of a steam turbine power generation apparatus in which an air driven control valve according to an embodiment of the present invention is installed in a pipe through which steam moves.
2 is a perspective view of an air driven control valve according to an embodiment of the present invention.
3 is an exploded perspective view of an air driven control valve according to an embodiment of the present invention.
4A is a perspective view of a bracket of an air driven control valve according to an embodiment of the present invention.
4B is an exploded perspective view of a positioner and a bracket of an air driven control valve according to an embodiment of the present invention.
5A is a cross-sectional view of a link set of an air driven control valve in accordance with an embodiment of the present invention.
5B is an exploded perspective view of a driver and a link set of an air driven control valve according to an embodiment of the present invention.
6 is a cross-sectional view illustrating the operation of the air driven control valve according to an embodiment of the present invention.
7 is a top view for explaining the operation of the air driven control valve according to the embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more faithful and complete, and will fully convey the scope of the invention to those skilled in the art.

In the following drawings, thickness and size of each layer are exaggerated for convenience and clarity of description, and the same reference numerals denote the same elements in the drawings. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items. In the present specification, the term " connected "means not only the case where the A member and the B member are directly connected but also the case where the C member is interposed between the A member and the B member and the A member and the B member are indirectly connected do.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise, " and / or "comprising, " when used in this specification, are intended to be interchangeable with the said forms, numbers, steps, operations, elements, elements and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

It is to be understood that the terms related to space such as "beneath," "below," "lower," "above, But may be utilized for an easy understanding of other elements or features. Terms related to such a space are for easy understanding of the present invention depending on various process states or use conditions of the present invention, and are not intended to limit the present invention. For example, if an element or feature of the drawing is inverted, the element or feature described as "lower" or "below" will be "upper" or "above." Thus, "below" is a concept covering "upper" or "lower ".

FIG. 1 is a conceptual diagram of a steam turbine power generation apparatus in which an air driven control valve according to an embodiment of the present invention is installed in a pipe through which steam moves.

Referring to FIG. 1, a steam turbine generator 10 according to an embodiment of the present invention includes a steam seal discharge valve (SSDV) 100 ', a steam generator 200, a steam turbine 300, A generator 400, a condenser 500, a steam seal feed valve (SSFV) 600, a measuring unit 700, and a distributed control system (DCS) 800 can do.

The steam seal discharge valve (SSDV) 100 'is installed in a pipe of the steam turbine power generation apparatus 10 and is hereinafter referred to as a steam seal inflow valve (SSFV) .

The steam generator 200 is connected to the steam turbine 300 through a pipe. The steam generator 200 heats water to generate high-temperature and high-pressure steam, and the generated high-temperature and high-pressure steam is supplied to the steam turbine 300 through the pipe.

The steam turbine (300) is connected to the generator (400). The steam turbine 300 generates mechanical energy using the supplied high-temperature and high-pressure steam. The generator 400 connected to the steam turbine 300 receives the generated mechanical energy to generate electric energy .

The condenser 500 is connected to the steam turbine 300 through a pipe. The condenser 500 condenses the low-temperature and low-pressure steam passing through the steam turbine 300 and can return it to the power generation system.

The steam seal inflow valve (SSFV) 600 is connected in the middle of a pipe connecting the steam generator 200 and the steam turbine 300, and the steam seal inflow valve 100 ' And is connected in the middle of a pipe connected to the steam turbine 300 and the condenser 500. The steam-sealing inlet valve 500 and the steam-sealing outlet valve 100 'can adjust the amount of steam supplied and discharged through the piping to maintain the pressure of the piping constant.

The measuring unit 700 may include a pressure transducer (PT) 710 and a temperature measuring unit (TE) 720. The pressure measuring unit 710 and the temperature measuring unit 720 may be connected to a pipe connected between the steam generator 200, the steam turbine 300, and the condenser 500. The pressure measuring unit 710 and the temperature measuring unit 720 measure the pressure and the temperature in the pipe.

The distributed control system (DCS) 800 is connected to the measuring unit 700 and receives the internal temperature and pressure of the pipe measured by the measuring unit 700. Also, the dispersion control system 800 can control the steam sealing inflow valve 600 and the steam sealing outflow valve 100 'based on the received temperature and pressure values to maintain the pressure in the piping constant .

The air driven control valve 100 according to an embodiment of the present invention is a steam sealing outflow valve 100 'of the steam turbine power generator 10 and is connected to the steam turbine 300 and the condenser 500, And the pressure of the pipe can be kept constant under the control of the dispersion control system 800. [

2 is a perspective view of an air driven control valve according to an embodiment of the present invention. 3 is an exploded perspective view of an air driven control valve according to an embodiment of the present invention.

2 and 3, an air driven control valve 100 according to an embodiment of the present invention includes a driver 110, a yoke 120, a stem 130, a positioner 140, A bracket 150, and a linkage set 160. The linkage set 160 may include a plurality of links. In addition, the air driven control valve 100 may be connected to the piping 1.

The driver 110 may include an upper case 111 and a lower case 112. The upper case 111 and the lower case 112 may be coupled with bolts and nuts. The end portions of the upper case 111 and the lower case 112 are in contact with each other to form a flange portion 113 having a constant area in order to join the upper case 111 and the lower case 112 with bolts and nuts. have. The flange 113 may have holes 113a through which the bolts can pass. A through hole 111a through which the stem 130 can pass can be formed on the upper surface of the upper case 111. The stem 130 can pass through the lower surface of the lower case 112 A through hole (not shown) is formed.

A diaphragm and a spring assembly may be installed in the upper case 111 and the lower case 112. The diaphragm can divide the space inside the case 111, 112 into an upper part and a lower part. Air can be introduced into the separated upper space, and the upper and lower plates are provided with a spring A spring assembly with both ends fixed can be installed.

The driving unit 110 generates a driving force that can open and close the valve by using the pressure of the air. The operation of the driver 110 will be described later in detail.

The yoke 120 may be connected between the actuator 110 and the pipe 1. The upper portion 121 of the yoke 120 is connected to a through hole (not shown) of the lower case 112 of the actuator 110 and a stem 130 passing through the actuator 110 is connected to the upper portion 121 . The stem 122 of the yoke 120 may penetrate through the upper portion 121 and may have a space 122a through which the stem 130 may be exposed to the outside. A lower portion 123 of the yoke 120 is connected to the pipe 1 and a stem 130 passing through the center portion 122 may pass through. The lower portion 123 of the yoke 120 may be coupled to the pipe by bolts and nuts.

The center portion 122 of the yoke 120 in which the space 122a in which the stem 130 is exposed is formed is a position where the positioner 140 can be engaged and a positioner 140 The effects that can be obtained by combining these components at different positions as in the present invention without installing them will be described in detail later.

Referring to FIGS. 2 to 7, the stem 130 may have a cylindrical shape and may extend through the actuator 110 and the yoke 120. That is, the stem 130 passes through the through hole 111a of the upper case 111 and the through hole (not shown) of the lower case 112 of the actuator 110, 121, an interruption 122, and a lower end 123. [ The stem 130 may extend through the through hole 111a of the actuator 110 so that the upper end of the stem 130 may protrude to the outside of the actuator 110. [ The stem 130 may be exposed to the outside of the yoke 120 through a space 122a formed in a stop 122 of the yoke 120. [ In addition, a thread for coupling the link set 160 may be formed at the upper end of the protruded stem 130.

In addition, the stem 130 may be fixedly coupled to an upper plate of a spring assembly installed inside the driver 110. Therefore, the stem 130 can be moved up and down by the driver 110 to open and close the valve. The operation of the stem 130 will be described later in detail.

The positioner 140 may include a body 141, an air supply pipe 142, an input line 143, and a feedback unit 144.

The main body 141 may include a motor therein. The motor is connected to the stem 130 and generates a rotational force according to a signal input from the input line 143.

The air supply pipe 142 may include a positioner air supply pipe 142a and a driver air supply pipe 142b. The positioner air supply pipe 142a is connected to the main body 141 so that the air supplied to the driver 110 is supplied to the main body 141. [ The driver air supply pipe 142b is connected between the driver 110 and the main body 141 so that air is supplied from the main body 141 to the driver.

The input line 143 is connected to the main body 141 and supplies power required for the positioner 140 to the driver 110 of the main body 141 in the dispersion control system 800. [ It can transmit a signal generated to control the supplied air. The signal for controlling the air supply may be an electric signal for driving the motor, and may be mainly 4 to 20 mA DC.

The feedback unit 144 may include a feedback lever 144a and a feedback pin 144b. The feedback lever 144a is engaged with the motor of the main body 144, and the guide hole is formed. One end of the feedback pin 144b may be connected to the guide hole of the feedback lever 144a by a nut and the other end may be coupled to the link set 170 by a nut. Also, the feedback pin 144b may move along the guide hole when the stem 130 to which the link set 170 is connected moves up and down

Accordingly, the positioner 140 receives the control signal from the dispersion control system 800 to generate a rotational force to the motor, and the rotational force of the motor is transmitted to the positioner 140 through the force The air supplied through the air supply pipe 142 can be controlled.

4A is a perspective view of a bracket of an air driven control valve according to an embodiment of the present invention. 4B is an exploded perspective view of a positioner and a bracket of an air driven control valve according to an embodiment of the present invention.

2 to 4B, the bracket 150 is configured to engage the positioner 140 with the driving unit 110 and includes a driving unit fixing unit 151, a supporting unit 152, a reinforcing unit 153, And may include a fixing portion 154.

The actuator fixing part 151 may be formed in a shape similar to a part of the flange part 113 of the actuator 110 and one end of the actuator fixing part 151 may extend to the outside of the actuator 110, And may be formed on the xy plane. A hole 151a may be formed at the same interval as the hole 113a formed in the flange portion 113 of the actuator 110 for coupling with the actuator 110. [ have. Therefore, the bolts and nuts for contacting the upper and lower cases 111 and 112 of the actuator 110 with the flanges 113 of the actuator 110, And may be coupled together with the case 111, 112.

The support portion 152 may be bent at one end of the actuator fixing portion 151 and extend in the z-axis direction, and may be formed on the yz plane. Accordingly, the bracket connection part 152 can support the positioner 140 coupled to the positioner fixing part 154. [

The reinforcing portion 153 may be formed on the xz plane between the actuator fixing portion 151 and the supporting portion 152. Therefore, the reinforcing portion 153 can reinforce the supporting force of the supporting portion 152. [

The positioner fixing portion 154 may be bent at an upper end of the supporting portion 152 and extend in the z-axis direction, and may be formed on the xz plane. The positioner fixing portion 154 is formed with a hole 154 for engaging with the main body portion 141 of the positioner 140. Therefore, the positioner fixing portion 154 can be bolted to the positioner 140. [

5A is a cross-sectional view of a link set of an air driven control valve in accordance with an embodiment of the present invention. 5B is an exploded perspective view of a driver and a link set of an air driven control valve according to an embodiment of the present invention.

2, 3, 5A and 5B, the link set 160 may include a coupling 161, a connector 162, a connecting nut 163, and a spring washer 164.

The coupling 161 may have a cylindrical shape. One end of the coupling 161 may be formed with a first coupling hole 161a through which the stem 130 can be inserted. The first coupling hole 161a may have a cross section having a size similar to that of the stem 130 and an inner wall of the first coupling hole 161a may have a cross- A thread can be formed. The other end of the coupling 161 may be formed with a second coupling hole 161b through which the connector 162 is inserted. The second coupling hole 161b may have a section having a size similar to the diameter of the end face of the connector 162 and a thread for coupling with the connector 162 may be formed on the inner wall of the second coupling hole 161b. . The first coupling hole 161a and the second coupling hole 161b may be connected to each other and penetrate through the coupling hole 161.

A through hole 161c through which a fixing pin (not shown) for fixing the upper end of the stem 130 can be inserted from the outer wall of the coupling 161 to the inner wall of the first coupling hole 161a .

The connector 162 may include a body portion 162a and a head portion 162b. The body 162a may be inserted and coupled to the second coupling hole 161b of the coupling 161 and a thread may be formed on an outer surface of the body 162a. The head portion 162b may be formed with a through hole for coupling the other end of the feedback pin 144b of the feedback portion 144 coupled to the motor of the body portion 141 of the positioner 140, The feedback pin 144b may be coupled to the through hole with a nut.

The connection nut 163 is coupled to the body 162a of the connector 162 so that when the connector 162 is engaged with the second coupling hole 161b of the coupling 161, 162 may be located between the head 162b and the coupling 161.

When the connector 162 and the coupling nut 163 are coupled to the second coupling hole 161b of the coupling 161, the spring washer 164 is engaged with the coupling nut 163 and the coupling 161).

Accordingly, the link set 160 connects the feedback unit 144 of the positioner 140 and the stem 130 so that the force transmitted to the stem 130 can be transmitted to the positioner 140 do.

Therefore, by installing the positioner 110 on the opposite side to the yoke 120 on the actuator 110 using the bracket 150 and the link set 160 The steam can be prevented from being damaged by the steam, and the work space for maintaining the positioner 110 can be secured to prevent a safety accident.

Hereinafter, the operation of the air driven control valve 100 will be described in detail.

6 is a cross-sectional view illustrating the operation of the air driven control valve according to an embodiment of the present invention. 7 is a top view for explaining the operation of the air driven control valve according to the embodiment of the present invention.

6 and 7, when the positioner 140 receives a signal from the dispersion control system 800 through the input line 143, the rotational force corresponding to the signal from the motor of the positioner 140 . The positioner 140 receives a force transmitted to the stem 130 by a spring installed inside the actuator 110 through a feedback unit 144 of the positioner 140, The air supplied through the air supply pipe 142 flows into the actuator 110 or flows out until the actuator 110 equilibrates with the feedback force.

More specifically, when air flows into the upper space inside the actuator 110 divided by the diaphragm, the pressure in the upper space of the actuator 110 increases, and the pressure of the spring assembly installed in the actuator 110 The top plate is lowered until the increased pressure and the elastic force of the spring become equal. When the air in the upper space inside the actuator 110 divided by the diaphragm is discharged, the pressure in the upper space of the actuator 110 is lowered and the pressure in the upper part of the spring assembly installed in the actuator 110 The plate rises until the lowered pressure and the elastic force of the spring become equal. That is, as the air flows into or out of the cases 111 and 112, the upper plate of the spring assembly to which the spring is fixed can move up and down.

Accordingly, the stem 130, which is fixedly coupled to the upper plate of the spring assembly installed in the driver 110, can vertically open and close the valve.

As described above, the present invention is not limited to the above-described embodiment, and it is to be understood that the present invention is not limited to the above- It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1: Piping 10: Steam turbine generator
100: air-driven control valve 100 ': steam-sealing outlet valve
110: actuator 120: yoke
130: stem 140: positioner
150: Bracket 160: Link set
200: Steam generator 300: Steam turbine
400: generator 500: condenser
600: Vapor sealing inlet valve 700: Measuring section
800: Distributed control system

Claims (10)

A driver which generates a driving force by using air pressure;
A yoke connected to the actuator;
A stem that is installed through the driver and the yoke and adjusts the degree of opening of the pipe using the driving force of the actuator; And
And a positioner coupled to the stem and configured to feedback the force transmitted to the stem, the positioner adjusting the air supplied to the actuator using the feedback force,
Wherein the positioner is installed on the opposite side of the actuator to which the yoke is connected. The method according to claim 1,
Further comprising: a bracket for mounting the positioner on an opposite side of the actuator from which the yoke is connected. 3. The method of claim 2,
The bracket
A driver fixture coupled to the driver;
A positioner fixture coupled to the positioner; And
And a support portion connecting the actuator fixing portion and the positioner fixing portion. The method according to claim 1,
Further comprising a link set passing through the actuator and coupled to an upper end of the stem protruding out of the actuator,
Wherein the link set is connected to a feedback portion of the positioner. 5. The method of claim 4,
The link set
A coupling coupled to an upper end of the stem at one end thereof; And
And a connector coupled to the other end of the coupling and coupled with a feedback portion of the positioner. 6. The method of claim 5,
The coupling includes a first coupling hole formed at one end of the stem to which the upper end of the stem is inserted, a second coupling hole formed at the other end of the coupling,
Wherein the connector includes a body inserted into and engaged with a second engagement hole of the coupling, and a head coupled with a feedback portion of the positioner. The method according to claim 6,
Wherein a thread is formed at the upper end of the stem,
Wherein threads are formed on the inner surfaces of the first and second coupling apertures of the coupling,
And an air driven type control valve in which a thread is formed on a body portion of the connector. 8. The method of claim 7,
The link set is
And a coupling nut coupled to the body of the connector and positioned between the head of the connector and the coupling when the connector is inserted and engaged in the second coupling of the coupling, . The method according to claim 6,
Wherein the coupling has a through-hole into which a fixing pin for fixing the upper end of the stem can be inserted from the outer surface of the coupling to the inner surface of the first coupling hole. 9. The steam turbine power generator according to any one of claims 1 to 9, wherein the air driven control valve is installed in a piping connecting a steam turbine and a condenser.
KR1020160016464A 2016-02-12 2016-02-12 Air Actuator Type Control Valve And Steam Turbine Generator Comprising Thereof KR20170095011A (en)

Priority Applications (1)

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KR1020160016464A KR20170095011A (en) 2016-02-12 2016-02-12 Air Actuator Type Control Valve And Steam Turbine Generator Comprising Thereof

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Application Number Priority Date Filing Date Title
KR1020160016464A KR20170095011A (en) 2016-02-12 2016-02-12 Air Actuator Type Control Valve And Steam Turbine Generator Comprising Thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200125541A (en) * 2020-09-28 2020-11-04 한국생산기술연구원 Air volume control system for electric car generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200125541A (en) * 2020-09-28 2020-11-04 한국생산기술연구원 Air volume control system for electric car generator

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