WO2022018879A1 - バルブ断熱構造、及びバルブ - Google Patents

バルブ断熱構造、及びバルブ Download PDF

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Publication number
WO2022018879A1
WO2022018879A1 PCT/JP2020/040317 JP2020040317W WO2022018879A1 WO 2022018879 A1 WO2022018879 A1 WO 2022018879A1 JP 2020040317 W JP2020040317 W JP 2020040317W WO 2022018879 A1 WO2022018879 A1 WO 2022018879A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
seat ring
heat insulating
valve box
connecting portion
Prior art date
Application number
PCT/JP2020/040317
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
保浩 徳谷
Original Assignee
株式会社オーケーエム
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 株式会社オーケーエム filed Critical 株式会社オーケーエム
Priority to CN202080003609.8A priority Critical patent/CN114258468B/zh
Priority to KR1020207038100A priority patent/KR102426478B1/ko
Publication of WO2022018879A1 publication Critical patent/WO2022018879A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly 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
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly 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
    • 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
    • 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
    • F16K1/42—Valve seats
    • 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
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • 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
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to a valve heat insulating structure and a valve constituting a valve such as a butterfly valve.
  • FIG. 3 shows a butterfly valve 100 as an example.
  • the butterfly valve 100 includes a valve box 104, a seat ring 110, a valve body 108, a neck member 112, and a valve rod 106.
  • the valve box 104 has a tubular portion 103 and a protruding portion 105 protruding from the tubular portion 103.
  • the seat ring 110 has a cylindrical portion 109, and the cylindrical portion 109 is configured to be fitted into the tubular portion 103 of the valve box 104.
  • the valve body 108 is arranged in the cylindrical portion 109 of the seat ring 110.
  • the inner hollow portion of the cylindrical portion 109 constitutes the flow path 102.
  • the neck member 112 has a flange (fixing portion) 118 for fixing to a valve driving portion (not shown) having a rotation driving means, a controlling means, and the like, and is configured to be connected to the protruding portion 105 of the valve box 104. ..
  • the valve rod 106 is rotatably penetrated through the neck member 112, the protruding portion 105 of the valve box 104, and the seat ring 110, and the tip in the penetrating direction (not shown) is fixed to the valve body 108, and the rotation center C0 together with the valve body 108. It is configured to rotate around.
  • the seat ring 110 has a seat portion 114 with which the valve body 108 abuts. The lower portion of the tubular portion 116 of the neck member 112 is inserted into the protruding portion 105 of the valve box 104.
  • the butterfly valve 100 is used by fixing the flange 118 of the neck member 112 to the valve drive unit.
  • the butterfly valve 100 when the fluid passing through the flow path 102 is at a low temperature, the low temperature is transmitted to the flange 118 via the valve body 108, the seat ring 110, the valve box 104 and the tubular portion 116 of the neck member 112, and the flange 118 (The heat is transferred from the valve drive on the high temperature side to the fluid on the low temperature side). Therefore, the temperature of the valve drive unit becomes low, and dew condensation may occur on the valve drive unit. When dew condensation occurs on the valve drive unit, the dripping of dew causes stains on the ceiling and walls of factories and the like where the dew drips.
  • An object of the present invention is to provide a valve heat insulating structure and a valve capable of insulating between a fluid passing through a flow path and a valve driving portion and preventing the valve driving portion from becoming cold and causing dew condensation on the valve driving portion. There is something in it.
  • the valve insulation structure of the present invention is A valve box having a tubular portion and a connecting portion continuous with the tubular portion.
  • a seat ring having a cylindrical portion in which the cylindrical portion is fitted in the tubular portion of the valve box,
  • a valve body arranged in the cylindrical portion of the seat ring and
  • a neck member having a fixing portion fixed to the valve driving portion and a connecting portion directly or indirectly connected to the connecting portion of the valve box.
  • a valve rod rotatably penetrated through the neck member, the connecting portion of the valve box, and the seat ring, and the tip in the penetrating direction is fixed to the valve body.
  • It is a valve insulation structure of the valve equipped with With the valve box With the seat ring A substantially ring-shaped space provided between the valve box and the seat ring, It is characterized by being composed of.
  • valve heat insulating structure of the present invention is characterized in that, in the valve heat insulating structure, a substantially ring-shaped heat insulating member is provided in the space portion.
  • valve heat insulating structure of the present invention is characterized in that, in the valve heat insulating structure, the heat insulating member is radially divided into a plurality of parts.
  • the valve insulation structure of the present invention is A valve box having a tubular portion and a connecting portion continuous with the tubular portion.
  • a seat ring having a cylindrical portion in which the cylindrical portion is fitted in the tubular portion of the valve box,
  • a valve body arranged in the cylindrical portion of the seat ring and
  • a neck member having a fixing portion fixed to the valve driving portion and a connecting portion directly or indirectly connected to the connecting portion of the valve box.
  • a valve rod rotatably penetrated through the neck member, the connecting portion of the valve box, and the seat ring, and the tip in the penetrating direction is fixed to the valve body.
  • It is a valve insulation structure of the valve equipped with With the valve box With the neck member
  • An interstitial member having heat insulating properties interposed between the connecting portion of the valve box and the neck member, It is characterized by being composed of.
  • the valve of the present invention is A valve box having a tubular portion and a connecting portion continuous with the tubular portion.
  • a seat ring having a cylindrical portion in which the cylindrical portion is fitted in the tubular portion of the valve box,
  • a valve body arranged in the cylindrical portion of the seat ring and
  • a neck member having a fixing portion fixed to the valve driving portion and a connecting portion directly or indirectly connected to the connecting portion of the valve box.
  • a valve rod rotatably penetrated through the neck member, the connecting portion of the valve box, and the seat ring, and the tip in the penetrating direction is fixed to the valve body.
  • a substantially ring-shaped space provided between the valve box and the seat ring, It is characterized by being equipped with.
  • the valve of the present invention is characterized in that the valve is provided with a substantially ring-shaped heat insulating member in the space.
  • the valve of the present invention is characterized in that, in the valve, the heat insulating member is radially divided into a plurality of parts.
  • the valve of the present invention includes an auxiliary valve rod that is rotatably penetrated into the seat ring from the direction opposite to the valve rod and the tip in the penetration direction is fixed to the valve body in the valve.
  • the heat insulating member is characterized in that the auxiliary valve rod is rotatably held.
  • the valve of the present invention is A tubular portion, a connecting portion continuous with the tubular portion, and a valve box having the tubular portion.
  • a seat ring having a cylindrical portion in which the cylindrical portion is fitted in the tubular portion of the valve box,
  • a valve body arranged in the cylindrical portion of the seat ring and
  • a neck member having a fixing portion fixed to the valve driving portion and a connecting portion directly or indirectly connected to the connecting portion of the valve box.
  • a valve rod rotatably penetrated through the neck member, the connecting portion of the valve box, and the seat ring, and the tip in the penetrating direction is fixed to the valve body.
  • An interstitial member having heat insulating properties interposed between the connecting portion of the valve box and the neck member, It is characterized by being equipped with.
  • valve heat insulating structure of the present invention since an interstitial member having heat insulating properties is provided between the connecting portion of the valve box and the neck member, the low temperature of the fluid is kept at the connecting portion. It becomes difficult to transmit from to the neck member. Therefore, the low temperature of the fluid is difficult to be transmitted to the valve drive portion through the valve box and the neck member, heat insulation can be performed between the low temperature fluid and the valve drive portion, and dew condensation occurs on the valve drive portion. Can be prevented.
  • FIG. 1 It is a front sectional view which shows the valve insulation structure and a valve which concerns on this invention. It is a perspective view which shows the state of assembling the valve shown in FIG. It is a perspective view which shows the conventional valve.
  • valve heat insulating structure and the embodiment of the butterfly valve (valve) according to the present invention will be described with reference to the drawings.
  • reference numerals 10 and 11 are valve insulation structures according to the present invention
  • reference numeral 12 is a valve according to the present invention.
  • the valve insulation structures 10 and 11 and the butterfly valve 12 will be described with reference to FIGS. 1 and 2.
  • the butterfly valve 12 includes a valve box 14 having a tubular portion 16 and a protruding portion (connecting portion) 18 that is continuous with the tubular portion 16 and protrudes from the tubular portion 16 and has a hollow portion 76.
  • the valve box 14 is formed by connecting the valve box components 14 (1) and 14 (2) with bolts 20 and nuts 22.
  • the valve box 14 is made of aluminum (pure aluminum or an aluminum alloy).
  • the valve box 14 may be made of a metal other than aluminum.
  • the butterfly valve 12 has a cylindrical portion 26 and includes a seat ring 24 into which the cylindrical portion 26 is fitted into the tubular portion 16 of the valve box 14.
  • the seat ring 24 is made of rubber or resin.
  • the sheet ring 24 is formed of, for example, EPDM (ethylene propylene rubber) or NBR (nitron rubber), and may be formed of another rubber or resin.
  • the seat ring 24 includes two bulging portions 25 that sandwich the heat insulating member 58 described later in the Y-axis direction (flow path direction).
  • the seat ring 24 has a seat portion 28 to which the valve body 30 described later is abutted.
  • the sheet portion 28 protrudes from the inner surface 26I of the cylindrical portion 26 and has a curved strip shape.
  • the cross-sectional shape of the sheet portion 28 is not particularly limited.
  • the inner hollow portion of the cylindrical portion 26 constitutes the flow path 27.
  • the butterfly valve 12 includes a valve body 30 arranged in the cylindrical portion 26 of the seat ring 24.
  • the valve body 30 has a substantially disk shape or a substantially disk shape.
  • the valve body 30 is made of stainless steel.
  • the valve body 30 may be made of a metal other than stainless steel.
  • the valve body 30 includes a fixing hole 34 for inserting and fixing the valve rod 32 described later, and a fixing hole 38 for inserting and fixing the auxiliary valve rod 36 described later.
  • the butterfly valve 12 has a flange (fixing portion) 42 fixed to the valve driving portion 46 by a bolt (not shown), and a cylindrical connecting portion 44 indirectly connected to the protruding portion 18 of the valve box 14.
  • the neck member 40 is provided.
  • the neck member 40 is made of aluminum and may be made of a metal other than aluminum.
  • the valve drive unit 46 has a rotation drive means, a control means, and the like for rotationally driving the valve body 30 and the valve rod 32 described later.
  • known ones such as a lever type, a gear type, a cylinder type, and an electric type are used.
  • the connecting portion 44 is fixed to the protruding portion 18 of the valve box 14 by a bolt 78 via an interposing member 48 described later.
  • the flange 42 is provided with a space 43 in which air having a low thermal conductivity exists. As a result, the space 43 can improve the heat insulating effect between the flange 42 and the valve drive unit 46.
  • the butterfly valve 12 includes a valve rod 32 rotatably penetrated by a neck member 40, an interposing member 48 described later, a valve box 14, and a seat ring 24, and a penetration direction tip 52 is fixed to a valve body 30.
  • the valve stem 32 is made of stainless steel and may be made of stainless metal.
  • the valve rod 32 has a through-direction rear end 54 fixed to a rotation shaft 56 rotated by a rotation drive means.
  • the rotary shaft 56, the valve rod 32, and the valve body 30 are integrally rotated around the rotation center C1 with respect to the valve box 14, the seat ring 24, and the like by the valve drive unit 46.
  • the valve stem 32 has a hollow portion 55 in which air having a low thermal conductivity is present. This is for heat insulation between the valve rod 32 and the rotating shaft 56.
  • the butterfly valve 12 includes a substantially ring-shaped space portion 70 provided between the tubular portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24.
  • the butterfly valve 12 includes a substantially ring-shaped heat insulating member 58 in a space 70 between the cylindrical portion 16 and the cylindrical portion 26.
  • the heat insulating member 58 is formed of a resin having a heat insulating property, for example, is formed of POM (polyacetal), and may be formed of a resin having a heat insulating property other than POM.
  • the heat insulating member 58 is sandwiched between the tubular portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24, and is sandwiched between the two bulging portions 25 of the seat ring 24.
  • the heat insulating member 58 is composed of a combination of heat insulating member components 58 (1), 58 (2), 58 (3) and 58 (4).
  • the heat insulating member components 58 (1), 58 (2), 58 (3) and 58 (4) are arranged clockwise and combined to form a substantially ring shape. That is, the heat insulating member 58 is radially divided into four heat insulating member components 58 (1), 58 (2), 58 (3) and 58 (4).
  • the heat insulating member components 58 (1), 58 (2), 58 (3) and 58 (4) are the contact plate 57 in contact with the cylindrical portion 26 of the seat ring 24 and the contact plate 57 to the valve box 14, respectively.
  • a plurality of arcuate bulging portions 59 that bulge toward each other, and a plurality of fins 61 that are continuous with the contact plate 57 and the two facing bulging portions 59 are provided.
  • a plurality of spaces (no members exist) are formed, which are surrounded by two facing pieces in the plurality of bulging portions 59 and two facing pieces in the plurality of fins 61. Air with low thermal conductivity can be present in each of these spaces.
  • the heat insulating member component 58 (1) is provided with a hole 62 into which the valve rod 32 is inserted.
  • the heat insulating member component 58 (1) is sandwiched between the tubular portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24, the valve rod 32 is inserted into the hole 62, and the two seat rings 24 are inserted.
  • the heat insulating member component 58 (3) is provided with a hole 64 into which the auxiliary valve rod 36 described later is inserted.
  • a penetrating object is referred to as a "hole”
  • a penetrating object having a bottom surface is referred to as a "hole”.
  • the hole 64 in the heat insulating member component 58 (3) rotatably holds the auxiliary valve rod 36.
  • the heat insulating member component 58 (3) is sandwiched between the tubular portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24, the auxiliary valve rod 36 is inserted into the hole 64, and the two seat rings 24 are inserted.
  • the bulging portion 25 of the valve box 14 By being sandwiched by the bulging portion 25 of the valve box 14, the movement in the XYZ direction with respect to the valve box 14 and the like is restricted.
  • the heat insulating member components 58 (2) and 58 (4) are sandwiched between the heat insulating member component 58 (1) and the heat insulating member component 58 (3), respectively.
  • the heat insulating member components 58 (2) and 58 (4) are sandwiched between the tubular portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24, and are sandwiched between the two bulging portions 25 of the seat ring 24.
  • the heat insulating member component 58 (1) is attached to the cylindrical portion 26 of the seat ring 24, and the heat insulating member component 58 (3) is attached and held to the cylindrical portion 26 to hold the heat insulating member component 58 ( 2) and 58 (4) can be in a state of being sandwiched between the heat insulating member component 58 (1) and the heat insulating member component 58 (3).
  • the valve box components 14 (1) and 14 (2) are combined so as to wrap the heat insulating member components 58 (1), 58 (2), 58 (3) and 58 (4).
  • the entire heat insulating member 58 can be easily attached to the seat ring 24 or the like.
  • the butterfly valve 12 includes an intervening member 48 interposed between the protruding portion 18 of the valve box 14 and the connecting portion 44 of the neck member 40.
  • the interposing member 48 is formed of a resin having a heat insulating property.
  • the interposing member 48 may be formed of, for example, POM (polyacetal) and may be formed of a resin having a heat insulating property other than POM.
  • the interposing member 48 includes a held portion 66 sandwiched between the protruding portion 18 and the connecting portion 44, and a tubular portion 68 into which the valve rod 32 is inserted and inserted into the hollow portion 76 of the protruding portion 18. ..
  • the protruding portion 18 and the connecting portion 44 are fixed by the bolt 78, so that the sandwiched portion 66 is sandwiched and fixed between the protruding portion 18 and the connecting portion 44.
  • the butterfly valve 12 includes an auxiliary valve rod 36 that is rotatably penetrated by the seat ring 24 from the direction opposite to the valve rod 32 and the tip 80 in the penetration direction is fixed to the valve body 30.
  • the auxiliary valve rod 36 is made of stainless steel and may be made of a metal other than stainless steel.
  • the auxiliary valve rod 36 is inserted into the hole 64 of the heat insulating member component 58 (3) and is rotatably held by the inner peripheral wall and the bottom surface 74 of the hole 64.
  • the valve heat insulating structure 10 constitutes a butterfly valve 12, and is composed of a valve box 14, a seat ring 24, a space portion 70, and a heat insulating member 58.
  • the valve heat insulating structure 11 constitutes a butterfly valve 12, and is composed of a valve box 14, a neck member 40, and an interposing member 48.
  • the low temperature is difficult to be transmitted to the protrusion 18 and is difficult to be transmitted to the neck member 40 close to the protrusion 18 (although there is an intervening member 48 between the protrusion 18 and the neck member 40, The action and effect of the interposing member 48 will be described later).
  • the low temperature is less likely to be transmitted to the flange 42 of the neck member 40, and is less likely to be transmitted to the valve drive unit 46 in contact with the flange 42.
  • the flange 42 is provided with a space 43 in which air having a low thermal conductivity exists in order to improve the heat insulating effect between the flange 42 and the valve drive unit 46.
  • valve drive unit 46 when the valve drive unit 46 is located above the butterfly valve 12, low temperature is not transmitted from the flange 42 to the valve drive unit 46 (heat is transferred from the high temperature side valve drive unit 46 to the low temperature side flange 42). It will not move.)
  • heat insulation can be performed between the low temperature fluid and the valve drive unit 46, the temperature of the valve drive unit 46 becomes low, and dew condensation occurs on the valve drive unit 46. Can be prevented.
  • the butterfly valve since it is possible to insulate between the low temperature fluid and the valve drive unit 46, the butterfly valve is heated in order to insulate between the low temperature fluid and the valve drive unit 46. It does not need to be made of stainless steel with low conductivity. Therefore, the butterfly valve can be formed of aluminum or the like, which is different from expensive and heavy stainless steel. Therefore, the cost of the butterfly valve can be reduced and the manufacturing becomes easy.
  • the heat insulating member 58 is provided in the space 70 between the tubular portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24, an air layer having low thermal conductivity and heat are provided in the space 70. There are two layers of heat insulating member with low conductivity. As a result, the low temperature on the outer peripheral surface of the cylindrical portion 26 is less likely to be transmitted to the valve drive portion 46 via the valve box 14. Further, due to heat loss due to heat transfer between different objects, the low temperature on the outer peripheral surface of the cylindrical portion 26 becomes more difficult to be transmitted to the valve drive portion 46 via the valve box 14. As a result, the effect of the present invention of providing heat insulation between the low-temperature fluid in the flow path 27 and the valve driving unit 46 is remarkably generated.
  • the interposing member 48 having a heat insulating property is provided between the protruding portion 18 of the valve box 14 and the connecting portion 44 of the neck member 40, the low temperature is connected from the protruding portion 18. It becomes more difficult to convey to the part 44. Further, due to heat loss due to heat transfer between different objects, it becomes more difficult for the low temperature to be transmitted from the protrusion 18 to the connection portion 44. Therefore, the low temperature of the flow path 27 becomes more difficult to be transmitted to the valve drive unit 46 via the valve box 14 and the neck member 40, and the low temperature fluid of the flow path 27 and the valve drive unit 46 are insulated from each other. The effect of the present invention is more remarkable.
  • the effect of the present invention is that the low temperature fluid of the flow path 27 and the valve drive portion 46 are insulated from each other by the synergistic effect of the space portion 70, the heat insulating member 58, and the interposing member 48. However, it occurs more prominently.
  • valve rod 32 Since the valve rod 32 has a hollow portion 55 in which air having a low thermal conductivity is present and is long and has a small cross-sectional area, the low temperature of the fluid in the flow path 27 is transmitted from the valve body 30 to the valve via the valve rod 32. It is hardly transmitted to the drive unit 46. Further, the low temperature transmitted to the auxiliary valve rod 36 via the valve body 30 is blocked by the vicinity of the hole 64 of the heat insulating member component 58 (3) and is not transmitted to the valve box 14, and is transmitted from the valve body 30 to the auxiliary valve. The low temperature transmitted to the rod 36 is not transmitted to the valve drive unit 46 via the valve box 14 or the like.
  • the present invention is not limited to the above-described embodiments, and can be appropriately modified as long as the same actions and effects are produced.
  • the valve of the present invention is not limited to the butterfly valve, and the type of the valve is not limited as long as it is a valve in which a low temperature fluid is used.
  • the butterfly valve of the present invention includes uniaxial eccentricity, biaxial eccentricity and triaxial eccentricity.
  • the heat insulating member constituting the present invention is not limited to being divided into four, and may be integrally formed, or may be divided into two, three, or five or more. May be good.
  • Valve insulation structure 12 Butterfly valve (valve) 14: Valve box 14 (1): 14 (2): Valve box component 16: Cylindrical part 18: Protruding part (connecting part) 24: Seat ring 25: Swelling part 26: Cylindrical part 26I: Inner surface 27: Flow path 28: Seat part 30: Valve body 32: Valve rod 36: Auxiliary valve rod 40: Neck member 42: Flange (fixed part) 43: Space 44: Connection part 46: Valve drive part 48: Intermediary member 55: Hollow part 56: Rotating shaft 57: Contact plate 58: Insulation member 58 (1), 58 (2), 58 (3), 58 ( 4): Insulation member component 59: bulging portion 61: fin 66: sandwiched portion 68: tubular portion 70: space portion 74: bottom surface C1: rotation center

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
  • Valve Housings (AREA)
PCT/JP2020/040317 2020-07-22 2020-10-27 バルブ断熱構造、及びバルブ WO2022018879A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080003609.8A CN114258468B (zh) 2020-07-22 2020-10-27 阀绝热构造和阀
KR1020207038100A KR102426478B1 (ko) 2020-07-22 2020-10-27 밸브 단열 구조 및 밸브

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020124972 2020-07-22
JP2020-124972 2020-07-22

Publications (1)

Publication Number Publication Date
WO2022018879A1 true WO2022018879A1 (ja) 2022-01-27

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Application Number Title Priority Date Filing Date
PCT/JP2020/040317 WO2022018879A1 (ja) 2020-07-22 2020-10-27 バルブ断熱構造、及びバルブ

Country Status (5)

Country Link
JP (1) JP2022022137A (zh)
KR (1) KR102426478B1 (zh)
CN (1) CN114258468B (zh)
TW (1) TWI845851B (zh)
WO (1) WO2022018879A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03121382A (ja) * 1989-10-02 1991-05-23 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁
JPH0798071A (ja) * 1994-08-25 1995-04-11 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁
JPH08285094A (ja) * 1995-04-12 1996-11-01 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁
JPH10281340A (ja) * 1997-04-08 1998-10-23 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁の結露防止装置
JP2005030435A (ja) * 2003-07-08 2005-02-03 Tomoe Tech Res Co バタフライ弁

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2562722B2 (ja) * 1990-07-20 1996-12-11 株式会社巴技術研究所 結露を防止したバタフライ弁
JP3121494B2 (ja) * 1994-05-12 2000-12-25 株式会社巴技術研究所 バタフライ弁
JPH0814437A (ja) * 1994-06-29 1996-01-16 Kitz Corp バタフライバルブ
JP3087111B2 (ja) 1997-06-13 2000-09-11 株式会社キッツ バタフライバルブの結露防止装置
JP4860589B2 (ja) * 1997-11-05 2012-01-25 株式会社キッツ バタフライ弁
JP4117339B2 (ja) * 2006-03-14 2008-07-16 株式会社巴技術研究所 バタフライ弁
KR100947498B1 (ko) * 2007-12-24 2010-03-17 주식회사 코펙스 고온 분철 가스제어용 사이클론 밸브
TWM509289U (zh) * 2015-05-22 2015-09-21 Pao-Ying Wang 蝶閥
CN208845820U (zh) * 2018-06-08 2019-05-10 捷斯特阀门（天津）有限公司 一种低导热不结露不锈钢蝶阀

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03121382A (ja) * 1989-10-02 1991-05-23 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁
JPH0798071A (ja) * 1994-08-25 1995-04-11 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁
JPH08285094A (ja) * 1995-04-12 1996-11-01 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁
JPH10281340A (ja) * 1997-04-08 1998-10-23 Tomoe Gijutsu Kenkyusho:Kk バタフライ弁の結露防止装置
JP2005030435A (ja) * 2003-07-08 2005-02-03 Tomoe Tech Res Co バタフライ弁

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