KR100995306B1 - Test Block and Method of Front Standard Mechanical Trip Valve of Turbine - Google Patents

Test Block and Method of Front Standard Mechanical Trip Valve of Turbine Download PDF

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KR100995306B1
KR100995306B1 KR1020100058725A KR20100058725A KR100995306B1 KR 100995306 B1 KR100995306 B1 KR 100995306B1 KR 1020100058725 A KR1020100058725 A KR 1020100058725A KR 20100058725 A KR20100058725 A KR 20100058725A KR 100995306 B1 KR100995306 B1 KR 100995306B1
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South Korea
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port
trip valve
mechanical trip
pressure
test block
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KR1020100058725A
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Korean (ko)
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이승훈
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주식회사 에네스코
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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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/16—Trip gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B13/00—Measuring arrangements characterised by the use of fluids
    • G01B13/24—Measuring arrangements characterised by the use of fluids for measuring the deformation in a solid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/14—Testing gas-turbine engines or jet-propulsion engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

PURPOSE: A test block of a mechanical trip valve for the front standard of a turbine and a method thereof are provided to measure a flow rate and pressure in real time and to test the properties of a mechanical trip valve. CONSTITUTION: A test block of a mechanical trip valve for the front standard of a turbine comprises a pressure port connection port(P'), a supply port connection port(A'), and a return port connection port(T'). The pressure port connection port is formed in a rectangular parallelepiped shape and connects pressure ports. The supply port connection port supplies hydraulic pressure from the pressure ports to an emergency stop system through a mechanical trip valve. The return port connection port detours the hydraulic pressure to a flowmeter connector.

Description

터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록 및 방법{.}Test block and method of front standard mechanical trip valve of turbine

본 발명에 의한 터빈의 프론트스탠다드(Front Standard) 메케니칼 트립밸브(Mechanical Trip Valve)의 테스트블록 및 방법은 도 1에 도시한 바와 같이, 발전소 터빈의 프론트스탠다드에 장착되는 메카니칼 트립밸브의 성능을 운전 상태와 동일한 상태에서 검증하기 위해 적용되는 것으로서, 상기 메카니칼 트립밸브와 장착부간에 삽입되어, 실시간 유량을 측정하고 동작상태 검증하기 위한 테스트블록(Test Block) 및 그를 이용하는 방법에 관한 것이다.The test block and method of the front standard mechanical trip valve of the turbine according to the present invention, as shown in Figure 1, the performance of the mechanical trip valve mounted on the front standard of the power plant turbine Applied to verify in the same state as the operating state, and inserted between the mechanical trip valve and the mounting portion, and relates to a test block (Method) for measuring the real-time flow rate and verifying the operating state and a method of using the same.

발전소 터빈의 프론트스탠다드는 터빈의 위험한 상태를 검출하여 경보를 발생시키고, 위급시는 전기적신호, 루브오일(Lube Oil)과 이티에스(ETS; Emergency Trip System)와 제어유로 연동되고 터빈으로 유입되는 증기를 차단하여 터빈을 보호하는 부분이다.The front standard of the power plant turbine detects the dangerous state of the turbine and generates an alarm. In case of emergency, the electric signal, Lube Oil and Emergency Trip System (ETS) and the steam flowing into the turbine To protect the turbine by blocking

한편, 발전소 터빈의 프론트스탠다드(Front Standard)에 장착되어 사용되는 메카니칼 트립밸브(Mechanical Trip Valve)는 도 2와 도 3에 도시한 바와같이, 밸브케이싱(Valve Casing)(101), 스풀(Spool)(102)과 부쉬(Bush)(103), 앤드캡(104,105), 로드실(112) 등을 포함하여 이루어지는데, 작동압력은 1600~2000 psi(110~138 bar)이다. On the other hand, the mechanical trip valve (Mechanical Trip Valve) mounted on the front standard of the power plant turbine is used as shown in Figures 2 and 3, the valve casing (101), spool (spool) And 102 and bush 103, end caps 104 and 105, rod chamber 112, etc., with an operating pressure of 1600-2000 psi (110-138 bar).

구체적으로 메카니칼 트립밸브는 상기 발전소 터빈의 프론트스탠다드(Front Standard)에 장착되어, 정상적인 동작중에는 압력포트(P)에서 공급포트(A)로 유압이 공급(비상정지 유압계통)되며, 비상정지시 압력포트(P)가 격리되고 공급포트(A)는 리턴포트(T)로 배유되어 비상정지 계통 유압 해제를 실시하여 터빈을 비상정지시키기 위한 것이다. Specifically, the mechanical trip valve is mounted on the front standard of the power plant turbine, and during normal operation, hydraulic pressure is supplied from the pressure port P to the supply port A (emergency stop hydraulic system), and the pressure during emergency stop. The port P is isolated and the supply port A is drained to the return port T for emergency stop system hydraulic release to emergency stop the turbine.

한편, 상기 메카니칼 트립밸브가 고장 내지 불량일 때, 비상정지 계통에 유입되는 압력이 상실되어 터빈의 프론트 스탠다드에 비정상적인 동작이 유발되어 터비빈의 급속정지 또는 기동정지와 같은 문제가 발생하며, 운전중 고장 내지 불량으로 인하여 터빈제어 계통에 심각한 문제가 발생하나, 이에 대한 테스트장비가 미비한 상태이다.
On the other hand, when the mechanical trip valve is faulty or defective, the pressure flowing into the emergency stop system is lost, causing abnormal operation to the front standard of the turbine, causing problems such as rapid stop or start stop of the turbine. The failure or failure causes serious problems in the turbine control system, but the test equipment is insufficient.

따라서 본 발명은 상기와 같은 종래 발전소 터빈의 문제점을 해결코자 발명된 것으로서, 발전소 터빈의 프론트스탠다드(Front Standard)에 장착되는 메카니칼 트립밸브(Mechanical Trip Valve)에 적용되어, 실시간 유량을 측정하고 메카니칼 트립밸브의 성능 및 동작상태 검증하기 위한 테스트블록(Test Block) 및 그를 이용하는 방법을 제공하는 것을 그 목적으로 한다.
Therefore, the present invention was invented to solve the problems of the conventional power plant turbine as described above, and is applied to a mechanical trip valve mounted on a front standard of a power plant turbine to measure a real time flow rate, It is an object of the present invention to provide a test block (Test Block) for verifying the performance and operation state of the valve and a method of using the same.

상기와 같은 목적을 달성하기 위하여, 본 발명에 의한 터빈의 프론트스탠다드(Front Standard) 메케니칼 트립밸브(Mechanical Trip Valve)의 테스트블록은, 프론트스탠다드(Front Standard) 메니폴드블록(Manifold Block)과 메케니칼 트립밸브의 중간에 장착되어 메케니칼 트립밸브의 누설유량을 측정하기 위한 것으로서, 전체적으로 직육면체 형상으로 상면과 하면의 네귀퉁이에는 프론트스탠다드 메니폴드블록에 장착되기 위한 메케니칼 트립밸브의 관통공에 대응하는 관통공이 구비되며, 상면과 하면 사이에는 펌프로부터 유압이 유입되는 압력포트(Pressure Port)를 연결하는 압력포트연결포트, 상기 압력포트를 통해 유입되는 유압을 메케니칼 트립밸브를 통하여 터빈비상정지계통으로 공급하는 공급포트(Port 1)를 연결하는 공급포트연결포트, 리턴포트(Return Port)(T)로 드레인(배유)되는 유압을 우회시켜 우회 유압을 유량계로 실시간 유량을 측정한 후 배유시키는 리턴포트연결포트 즉, 드레인포트(Drain Port)를 포함하여 이루어지는 것을 특징으로 한다.
In order to achieve the above object, the test block of the front standard mechanical trip valve of the turbine according to the present invention, the front standard manifold block and the It is mounted in the middle of the cen- trial trip valve to measure the leakage flow rate of the mechanical trip valve. It has a rectangular parallelepiped shape on the top and bottom, The through hole corresponding to the pressure port is connected between the upper and lower pressure port (Pressure Port) in which the hydraulic pressure flows from the pump, the hydraulic pressure flowing through the pressure port through the mechanical trip valve turbine Supply port connection port, which connects the supply port (Port 1) to the emergency stop system, to the return port (T) Which it is characterized in that comprising a (endosperm) return port that is connected to the port, a drain port (Port Drain) of endosperm then to bypass the hydraulic pressure measured in real time flow rate to the hydraulic bypass flow meter.

한편, 프론트스탠다드 메케니칼 트립밸브의 테스트 방법은 프론트스탠다드(Front Standard) 메니폴드블록(Manifold Block)과 메케니칼 트립밸브의 중간에 장착되어 메케니칼 트립밸브의 누설유량을 측정할 수 있는 본 발명에 의한 테스트블록을 이용한 방법에 있어서, 상기 메케니칼 트립밸브의 동작 신뢰성을 파악하기 위해 압력포트(P)에서 공급포트(A)로 오일이 공급되는 상태에서 리턴포트(T)로 배유되는 유량을 측정하여 누설유량이 증가할 경우 메카니칼 트립밸브의 성능저하를 미연에 감지함으로써, 발전정지를 예방할 수 있는 것이 특징이다.
On the other hand, the test method of the front Standard Mechanical Trip Valve is installed between the Front Standard Manifold Block and the Mechanical Trip Valve to measure the leakage flow rate of the mechanical trip valve. In the method using the test block according to the invention, in order to determine the operational reliability of the mechanical trip valve is drained to the return port (T) in the state where the oil is supplied from the pressure port (P) to the supply port (A) When leakage flow rate is increased by measuring the flow rate, it is possible to prevent power failure by detecting the performance degradation of the mechanical trip valve in advance.

본 발명에 의한 발전소 터빈의 프론트스탠다드(Front Standard) 메케니칼 트립밸브의 테스트블록 및 방법은 실시간 유량 및 압력을 측정하고 메카니칼 트립밸브의 성능 및 동작상태 검증함으로써, 프론트스탠다드의 건전성을 진단할 수 있도록 한다.
The test block and method of the front standard mechanical trip valve of the power plant turbine according to the present invention can diagnose the soundness of the front standard by measuring the real time flow rate and pressure and verifying the performance and operating state of the mechanical trip valve Make sure

도 1은 발전소 터빈의 프론트스탠다드(Front Standard)에 장착되는 메카니칼 트립밸브의 개략도
도 2는 발전소 터빈의 프론트스탠다드 메카니칼 트립밸브의 일부 사시단면도
도 3은 발전소 터빈의 프론트스탠다드 메카니칼 트립밸브의 정단면도
도 4는 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록사용 상태도
도 5는 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록 평면투시도
도 6은 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록 측면투시도
도 7은 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트방법 순서도1 is a schematic diagram of a mechanical trip valve mounted on a front standard of a power plant turbine
2 is a partial perspective cross-sectional view of a front standard mechanical trip valve of a power plant turbine;
3 is a front section view of a front standard mechanical trip valve of a power plant turbine
4 is a state diagram of a test block of the front standard mechanical trip valve of the turbine according to an embodiment of the present invention.
Figure 5 is a plan block perspective view of the front standard mechanical trip valve of the turbine according to an embodiment of the present invention
Figure 6 is a side view of the test block of the front standard mechanical trip valve of the turbine according to an embodiment of the present invention
7 is a flowchart illustrating a test method of a front standard mechanical trip valve of a turbine according to an embodiment of the present invention.

이하, 첨부된 도면을 참조하여 본 발명에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록 및 방법의 바람직한 실시예를 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the test block and method of the front standard mechanical trip valve of the turbine according to the present invention.

본 발명에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브(Mechanical Trip Valve)(MTV)의 테스트블록은 프론트스탠다드(Front Standard) 메니폴드블록(Manifold Block)과 메케니칼 트립밸브의 중간에 장착되어 메케니칼 트립밸브의 누설유량을 측정하기 위한 것이다.
The test block of the front standard mechanical trip valve (MTV) of the turbine according to the present invention is mounted between the front standard manifold block and the mechanical trip valve. This is to measure the leakage flow rate of the knife trip valve.

도 4는 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록사용 상태도이고, 도 5는 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록 평면투시도이고, 도 6은 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록 측면투시도이다. 도 4 내지 도 6에 도시한 바와 같이, 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트블록은, 전체적으로 메케니칼 트립밸브가 장착되는 밸브장착부(100)와 유량계가 장착되는 유량계장착부(200)로 이루어지는데, 4 is a state diagram of a test block of the front standard mechanical trip valve of the turbine according to an embodiment of the present invention, Figure 5 is a test block of the front standard mechanical trip valve of the turbine according to an embodiment of the present invention 6 is a plan perspective view, and FIG. 6 is a side view of a test block of a front standard mechanical trip valve of a turbine according to an embodiment of the present invention. 4 to 6, the test block of the front standard mechanical trip valve of the turbine according to an embodiment of the present invention, the valve mounting portion 100 and the flow meter which is equipped with the mechanical trip valve as a whole And a flowmeter mounting unit 200 mounted thereon,

상면과 하면 사이에는 펌프로부터 유압이 유입되는 압력포트(Pressure Port)(P)를 연결하는 압력포트연결포트(P'), 상기 압력포트(P)를 통해 유입되는 유압을 메케니칼 트립밸브를 통하여 터빈비상정지계통으로 공급하는 공급포트(Port 1)(A)를 연결하는 공급포트연결포트(A'), 상기 압력포트(P)에서 상기 공급포트(A)로 오일이 공급되는 상태에서 리턴포트(Return Port)(T)로 드레인(배유)되는 유압을 우회시켜 우회 유압을 유량계(F2)로 실시간 유량을 측정한 후 배유시키는 리턴포트연결포트(T'), 즉 드레인포트를 포함하여 이루어지는 것을 특징으로 한다.Between the upper and lower surfaces, a pressure port connection port (P ') for connecting a pressure port (P) through which the hydraulic pressure flows from the pump, and a mechanical trip valve for the hydraulic pressure flowing through the pressure port (P) Supply port connecting port (A ') connecting the supply port (Port 1) (A) for supplying the turbine emergency stop system through the return, in the state that oil is supplied from the pressure port (P) to the supply port (A) It comprises a return port connection port (T '), that is, a drain port for circumventing the hydraulic pressure drained (drained) to the return port (T) and circulating the bypass hydraulic pressure by measuring the real-time flow rate with the flow meter F2. It is characterized by.

한편, 상기 리턴포트연결포트(T')는 메케니칼 트립밸브와 연결되는 메케니칼 트립밸브연결관로(110), 상기 메케니칼 트립밸브연결관로(110)로부터 우회적으로 형성된 우회관로(210), 상면으로부터 우회관로(210)의 일측으로는 유량계(F2)와 연결되는 계량관로(220), 상기 계량관로(220)로부터 메니폴드블록으로 연결되는 메니폴드블록(Manifold Block)연결관로(310)를 포함하는 것을 특징으로 한다. The return port connection port T 'may include a mechanical trip valve connection conduit 110 connected to the mechanical trip valve 110, a right bypass conduit formed to bypass the mechanical trip valve connection conduit 110, 210, a side of the bypass pipe 210 from the upper surface of the metering pipe line 220 is connected to the flow meter (F2), the manifold block (manifold block) connecting pipe line 310 is connected to the manifold block from the metering pipe line (220) ).

또한, 상기 리턴포트연결포트(T')의 각 관로들을 형성하기 위하여 포트플러그(Plug)(b)를 채용하는 것이 바람직하다.In addition, it is preferable to employ a port plug (b) to form the respective conduits of the return port connection port (T ').

또한, 본 발명에 의한 메케니칼 트립밸브의 테스트블록은 메카니칼 트립밸브내의 로드부로 누설되는 오일이 빠져 나가도록 하는 벤트포트(V)를 연결하는 벤트포트열결포트(V')를 더 포함하여 이루어지는 것을 특징으로 한다.
In addition, the test block of the mechanical trip valve according to the present invention further comprises a vent heat connection port (V ') connecting the vent port (V) to allow the oil leaked to the rod portion in the mechanical trip valve It is characterized by.

도 7은 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트방법 순서도이다. 도 7에 도시한 바와같이, 본 발명의 일실시예에 의한 터빈의 프론트스탠다드 메케니칼 트립밸브의 테스트방법은, 본 발명에 의한 프론트스탠다드 메케니칼 트립밸브의 테스트블록을 이용한 메케니칼 트립밸브의 테스트 방법에 있어서,7 is a flowchart illustrating a test method of a front standard mechanical trip valve of a turbine according to an embodiment of the present invention. As illustrated in FIG. 7, a test method of a front standard mechanical trip valve of a turbine according to an embodiment of the present invention includes a mechanical trip using a test block of a front standard mechanical trip valve according to the present invention. In the test method of the valve,

상기 프론트스탠다드(Front Standard) 메니폴드블록(Manifold Block)과 메케니칼 트립밸브 사이에 유량계가 달린 메케니칼 트립밸브의 테스트블록을 장착하는 단계(S110); 상기 메케니칼 트립밸브의 압력포트(P)에서 공급포트(A)로 유압을 공급하는 단계(S120); 상기 메케니칼 트립밸브 테스트블록에 장착되는 유량계(F2)로 리턴포트(T)로 배유되는 유량을 측정하는 단계(S130); 상기 측정된 유량으로 메케니칼 트립밸브의 내부누설 여부를 진단하는 단계(S140)를 포함하여 이루어지는 것을 특징으로 한다.
Mounting a test block of a mechanical trip valve with a flow meter between the front standard manifold block and the mechanical trip valve (S110); Supplying hydraulic pressure from a pressure port (P) of the mechanical trip valve to a supply port (A) (S120); Measuring a flow rate drained to a return port (T) by a flow meter (F2) mounted on the mechanical trip valve test block (S130); And diagnosing the internal leakage of the mechanical trip valve at the measured flow rate (S140).

즉, 상기 본 발명의 일실시예에 의한 프론트스탠다드 메케니칼 트립밸브의 테스트 방법은 프론트스탠다드(Front Standard) 메니폴드블록(Manifold Block)과 메케니칼 트립밸브의 중간에 장착되어 메케니칼 트립밸브의 누설유량을 측정하기 위한 테스트블록을 이용한 방법에 있어서, 상기 메케니칼 트립밸브의 동작 신뢰성을 파악하기 위해 압력포트(P)에서 공급포트(A)로 유압이 공급되는 상태에서 리턴포트(T)로 배유되는 유량을 측정하여 누설유량이 증가할 경우 메카니칼 트립밸브의 성능저하를 미연에 감지함으로써, 발전정지를 예방할 수 있는 것이다.
That is, the method of testing a front standard mechanical trip valve according to an embodiment of the present invention includes a front standard manifold block and a mechanical trip valve mounted between the manifold block and the mechanical trip valve, In the method using a test block for measuring the leakage flow rate of the return port (T) while the hydraulic pressure is supplied from the pressure port (P) to the supply port (A) in order to determine the operational reliability of the mechanical trip valve If the leakage flow rate increases by measuring the flow rate discharged by), it is possible to prevent the power failure by detecting the deterioration of the mechanical trip valve in advance.

상기한 바와 같은 구성 및 작용은 하나의 실시예로서 본 발명의 청구범위를 제한하는 것은 아니며, 본 발명의 기술적 사상을 변경하지 아니하는 범위 내에서 다양한 변경과 수정이 가능함은 본 발명이 속하는 분야에 종사하는 자에게는 자명한 것이다.
The configuration and operation as described above are not limited to the claims of the present invention as an embodiment, and various changes and modifications are possible within the scope of not changing the technical spirit of the present invention. It is obvious to those who are engaged.

100 : 밸브장착부 200 : 유량계장착부
110 : 메케니칼 트립밸브연결관로 210 : 우회관로
220 : 계량관로 310: 메니폴드블록 연결관로
101 : 밸브케이싱(Valve Casing) 102 : 스풀
103 : 부쉬 104, 105 : 앤트캡
112 : 로드실 T : 리턴포트
P : 압력포트 A : 공급포트
TB : 테스트블록 f2 : 유량계연결구
P' : 압력포트연결포트 A' : 공급포트연결포트
T' : 리턴포트연결포트 F2 : 유량계
V' : 벤트포트연결포트 b : 포트플러그
MTV : 메케니칼 트립밸브 테스트블록100: valve mounting portion 200: flow meter mounting portion
110: Mechanical trip valve connecting pipe 210:
220: metering pipe 310: manifold block connecting pipe
101: valve casing 102: spool
103: bush 104, 105: ant cap
112: load chamber T: return port
P: Pressure port A: Supply port
TB: Test block f2: Flowmeter connector
P ': Pressure port connection port A': Supply port connection port
T ': Return port connection port F2: Flow meter
V ': Vent port connection port b: Port plug
MTV: Mechanical Trip Valve Test Block

Claims (3)

프론트스탠다드(Front Standard) 메니폴드블록(Manifold Block)과 메케니칼 트립밸브의 중간에 장착되어 메케니칼 트립밸브의 누설유량을 측정하기 위한 테스트블록에 있어서,
전체적으로 직육면체 형상으로 상면과 하면 사이에는 펌프로부터 유압이 유입되는 압력포트(Pressure Port)(P)를 연결하는 압력포트연결포트(P'), 상기 압력포트(P)를 통해 유입되는 유압을 메케니칼 트립밸브를 통하여 터빈비상정지계통으로 공급하는 공급포트(Port 1)(A)를 연결하는 공급포트연결포트(A'), 상기 압력포트(P)에서 상기 공급포트(A)로 오일이 공급되는 상태에서 리턴포트(Return Port)(T)로 드레인(배유)되는 유압을 유량계연결구(f2)로 우회시켜 우회 유압을 유량계(F2)로 실시간 유량을 측정한 후 배유시킬 수 있는 리턴포트연결포트(T')를 적어도 포함하여 이루어지는 것을 특징으로 하는 프론트스탠다드 메케니칼 트립밸브의 테스트블록In the test block for measuring the leakage flow rate of the mechanical trip valve is mounted between the front standard manifold block and the mechanical trip valve,
In general, a rectangular parallelepiped has a pressure port connecting port (P ') for connecting a pressure port (P) through which a hydraulic pressure flows from a pump, and a hydraulic pressure flowing through the pressure port (P). Supply port connecting port (A ') for connecting the supply port (Port 1) (A) for supplying the turbine emergency stop system through the knife trip valve, the oil is supplied from the pressure port (P) to the supply port (A) Return port (T) to bypass the hydraulic pressure drained (drain) to the flow meter connector (f2) to return the bypass hydraulic pressure flow meter (F2) to measure the real-time flow rate and return port connection port Test block of the front standard mechanical trip valve, characterized in that it comprises at least (T ') 제 1항에 있어서,
메카니칼 트립밸브내의 로드부로 누설되는 오일이 빠져 나가도록 하는 벤트포트(V)를 연결하는 벤트포트열결포트(V')를 더 포함하여 이루어지는 것을 특징으로 하는 프론트스탠다드 메케니칼 트립밸브의 테스트블록The method of claim 1,
A test block of the front standard mechanical trip valve further comprising a vent heat connection port (V ') connecting a vent port (V) through which oil leaks to the rod part in the mechanical trip valve. 펌프로부터 유압이 유입되는 압력포트(Pressure Port)(P)를 연결하는 압력포트연결포트(P'), 상기 압력포트(P)를 통해 유입되는 유압을 메케니칼 트립밸브를 통하여 터빈비상정지계통으로 공급하는 공급포트(Port 1)(A)를 연결하는 공급포트연결포트(A'), 상기 압력포트(P)에서 상기 공급포트(A)로 오일이 공급되는 상태에서 리턴포트(Return Port)(T)로 드레인(배유)되는 유압을 유량계연결구(f2)로 우회시켜 우회 유압을 유량계(F2)로 실시간 유량을 측정한 후 배유시킬 수 있는 리턴포트연결포트(T')를 적어도 포함하는 프론트스탠다드 메케니칼 트립밸브의 테스트블록을 이용한 메케니칼 트립밸브의 테스트 방법에 있어서,
상기 프론트스탠다드(Front Standard) 메니폴드블록(Manifold Block)과 메케니칼 트립밸브 사이에 유량계가 달린 메케니칼 트립밸브의 테스트블록을 장착하는 단계(S110);
상기 메케니칼 트립밸브의 압력포트(P)에서 공급포트(A)로 유압을 공급하는 단계(S120);
상기 메케니칼 트립밸브 테스트블록에 장착되는 유량계(F2)로 리턴포트(T)로 배유되는 유량을 측정하는 단계(S130);
상기 측정된 유량으로 메케니칼 트립밸브의 내부누설 여부를 진단하는 단계(S140)를 포함하여 이루어지는 것을 특징으로 하는 프론트스탠다드 메케니칼 트립밸브의 테스트 방법Pressure port connecting port (P ') for connecting the pressure port (P), the hydraulic pressure flows from the pump, the hydraulic pressure flowing through the pressure port (P) through the turbine emergency stop system Supply port connecting port (A ') for connecting the supply port (Port 1) (A) to supply to the return port (Return Port) in the state that the oil is supplied from the pressure port (P) to the supply port (A) The front including at least a return port connection port (T ') capable of circulating the hydraulic pressure drained (T) to the flowmeter connector (f2) to measure the real-time flow rate of the bypass hydraulic pressure by the flowmeter (F2). A method for testing a mechanical trip valve using a test block of a standard mechanical trip valve,
Mounting a test block of a mechanical trip valve with a flow meter between the front standard manifold block and the mechanical trip valve (S110);
Supplying hydraulic pressure from a pressure port (P) of the mechanical trip valve to a supply port (A) (S120);
Measuring a flow rate drained to a return port (T) by a flow meter (F2) mounted on the mechanical trip valve test block (S130);
A test method of a front standard mechanical trip valve, comprising the step (S140) of diagnosing the internal leakage of the mechanical trip valve at the measured flow rate
KR1020100058725A 2010-06-21 2010-06-21 Test Block and Method of Front Standard Mechanical Trip Valve of Turbine KR100995306B1 (en)

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CN109667629A (en) * 2019-02-12 2019-04-23 山东钢铁股份有限公司 The mechanical emergency device of low pressure oil motor for steam turbine
CN109667629B (en) * 2019-02-12 2024-01-23 山东钢铁股份有限公司 Mechanical emergency device for low-pressure oil motor of steam turbine
CN112611552A (en) * 2020-11-27 2021-04-06 中国航发四川燃气涡轮研究院 Aeroengine high temperature high altitude ventilation valve test device
KR102398563B1 (en) 2021-11-29 2022-05-16 한전케이피에스 주식회사 Oil recovery device for turbine valve actuator

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