KR20170076986A - The Flow Control Valve that can remove of remain fluid - Google Patents

The Flow Control Valve that can remove of remain fluid Download PDF

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Publication number
KR20170076986A
KR20170076986A KR1020150186990A KR20150186990A KR20170076986A KR 20170076986 A KR20170076986 A KR 20170076986A KR 1020150186990 A KR1020150186990 A KR 1020150186990A KR 20150186990 A KR20150186990 A KR 20150186990A KR 20170076986 A KR20170076986 A KR 20170076986A
Authority
KR
South Korea
Prior art keywords
cone
pressure
valve
control valve
flow control
Prior art date
Application number
KR1020150186990A
Other languages
Korean (ko)
Inventor
황정우
윤노근
노민진
Original Assignee
황정우
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 황정우 filed Critical 황정우
Priority to KR1020150186990A priority Critical patent/KR20170076986A/en
Publication of KR20170076986A publication Critical patent/KR20170076986A/en

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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
    • F16K1/32—Details
    • 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • 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
    • F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

The present invention relates to a flow control valve capable of preventing the pressure locking phenomenon of high-pressure and high-temperature valves.
According to the present invention, the lower cone upper cover 94 is raised by the pneumatic valve 100, the lower cone passage 96 is opened to release the residual fluid, and the upper portion of the upper cone 80 And a small amount of residual fluid remaining between the above processes is effectively removed through pneumatic pressure supplied to the cone penetration hole 82. [

Figure pat00001

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a flow control valve,

The present invention relates to a flow control valve capable of preventing the pressure locking phenomenon of high-pressure and high-temperature valves.

Generally, a hydraulic device widely used for automation of a production process is operated by a working fluid such as water, steam, or air, and a valve for controlling the flow is used to control the hydraulic fluid.

The flow control valve is equipped with a balancing valve that manually adjusts the opening of the valve and adjusts the flow rate according to the degree of adjustment. An orifice is built in the valve to absorb the differential pressure generated before and after the valve, A constant flow rate automatic regulating valve which controls the flow rate of the constant flow constantly while changing the opening area of the diaphragm, an automatic flow regulating valve which constantly detects the load fluctuation generated by the diaphragm, Pressure type flow rate control valve that maintains the appropriate differential pressure of the load device by keeping the flow rate constant by installing it on the return pipe of the load device.

PRESSURE LOCKING phenomenon occurs in conventional high-temperature and high-pressure valves. This unusual phenomenon can result in damage to the valve and loss of OPEN function of the valve. In case of PRESSURE LOCKING, when the valve is completely closed as shown in Fig. 5-1, the evaporative fluid in the pipe such as water is left in the valve body and the bonnet cavity, and then the residual fluid is evaporated due to the heat input from the outside, The pressure rises above the design pressure. That is, the pressure increases due to the thermal expansion of the residual fluid. These pressures are very dangerous because of the pressure rise and eventually to the worst condition of bursting of the PRESSURE RETAINING WALL of the valve

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a passage through which air is introduced into an upper cone and a lower cone of a flow control valve, thereby effectively removing the remaining fluid at the time of blocking.

According to the present invention, the lower cone upper cover 94 is raised by the pneumatic valve 100, the lower cone passage 96 is opened to release the residual fluid, and the upper portion of the upper cone 80 And a small amount of residual fluid remaining between the above processes is effectively removed through pneumatic pressure supplied to the cone penetration hole 82. [

As described above, according to the present invention, a passage through which the air pressure flows in the upper cone and the lower cone of the flow control valve is formed, thereby effectively removing the remaining residual fluid at the time of blocking by using the air pressure. In addition, it is possible to prevent corrosion and extend the service life of the equipment by removing the residual fluid

22: Euro
70: Body
72: Flow regulator
80: upper cone 82: upper cone penetration hole
90: Flow restriction valve
92: lower cone 94: lower cone upper cover
96: Lower cone channel
100: Pneumatic valve

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

FIG. 1 is a perspective view showing a flow control valve according to the present invention, and FIG. 2 is a sectional view showing a flow control valve according to the present invention.

As shown in the drawing, the upper cone 80 and the lower cone 92 are connected to a valve, and the flow rate regulator 72 is provided inside the valve.

There is a passage through which the air pressure passes through the upper cone 80 and the lower cone 92 and the lower cone 92 has a flow path 22 through which the lower cone upper cover 94 and the fluid can escape.

The upper cone 80 flows as it ascends and descends to automatically control the opening degree of the flow rate regulator 72 of the body 70 to maintain the flow rate constant.

none

Claims (1)

An upper cone 80 for controlling the opening degree of the flow rate regulator 72 interlocked with the lift of the diaphragm in correspondence with the flow rate regulator 72 of the body 70,
Wherein a lower cone (92) is provided at a lower end of the body (70) so as to be capable of opening and closing the flow rate regulator (72) valve.
KR1020150186990A 2015-12-26 2015-12-26 The Flow Control Valve that can remove of remain fluid KR20170076986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150186990A KR20170076986A (en) 2015-12-26 2015-12-26 The Flow Control Valve that can remove of remain fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150186990A KR20170076986A (en) 2015-12-26 2015-12-26 The Flow Control Valve that can remove of remain fluid

Publications (1)

Publication Number Publication Date
KR20170076986A true KR20170076986A (en) 2017-07-05

Family

ID=59352233

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150186990A KR20170076986A (en) 2015-12-26 2015-12-26 The Flow Control Valve that can remove of remain fluid

Country Status (1)

Country Link
KR (1) KR20170076986A (en)

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