WO2018053667A1 - 核电岛心用高性能导向式y形三作用阀门 - Google Patents

核电岛心用高性能导向式y形三作用阀门 Download PDF

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WO2018053667A1
WO2018053667A1 PCT/CN2016/000537 CN2016000537W WO2018053667A1 WO 2018053667 A1 WO2018053667 A1 WO 2018053667A1 CN 2016000537 W CN2016000537 W CN 2016000537W WO 2018053667 A1 WO2018053667 A1 WO 2018053667A1
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valve
packing
shaped
nuclear power
bracket
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PCT/CN2016/000537
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English (en)
French (fr)
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陈金京
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陈金京
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Priority to PCT/CN2016/000537 priority Critical patent/WO2018053667A1/zh
Publication of WO2018053667A1 publication Critical patent/WO2018053667A1/zh

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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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves

Definitions

  • the utility model relates to the field of valves, in particular to a high-performance guiding type Y-shaped three-acting valve for nuclear power island.
  • the function of the traditional shut-off valve is to cut or close the medium in the pipeline; the function of the throttle valve is to cut off or turn on the medium in the pipeline to regulate the flow; the function of the check valve is to control the backflow of the medium.
  • power generation equipment is developing in the direction of large-scale, high-parameter, high-performance, and one-valve.
  • the design of the project combines the functions of the shut-off valve, the throttle valve and the check valve. When the medium enters from the low groove, it is the shut-off valve and the throttle valve; when the medium enters from the high groove, it is the check valve.
  • the utility model provides a high-performance guiding type Y-shaped three-acting valve for nuclear power island, which is simple in design and convenient to use.
  • the valve mainly adopts high pressure and hard self-sealing structure, and the valve body material adopts German WB36.
  • the utility model solves the three-purpose structure of the Y-shaped one valve and satisfies the working condition.
  • the nuclear power island uses a high-performance guided Y-shaped three-acting valve, which includes a valve body, a valve cover, a throttle flap, a valve stem, a stem nut, a bracket, a lock nut, a sealing ring, a pressure plate, a pressure sleeve, and a hole.
  • a high-performance guided Y-shaped three-acting valve which includes a valve body, a valve cover, a throttle flap, a valve stem, a stem nut, a bracket, a lock nut, a sealing ring, a pressure plate, a pressure sleeve, and a hole.
  • valve body Filling pad, packing, packing pad, hand wheel, throttle valve flap is arranged in the middle of the valve body, a valve seat is arranged between the lower side of the throttle valve and the valve body, the upper end of the throttle valve is connected with the valve stem, and the upper end of the valve body is mounted
  • the valve cover, the valve cover and the valve body are provided with a sealing ring, the lower end of the bracket is screwed on the upper end of the valve body and the sealing ring is pressed, so that the sealing ring presses the valve cover, and the lock nut locks the valve cover on the bracket, the valve
  • the cover is filled with packing pad, packing, perforated packing pad and packing from bottom to top.
  • the perforated packing pad is located between the packings, the pressing sleeve is pressed on the packing, and the pressing plate is pressed on the pressing sleeve, and the two sides of the pressing plate are respectively fixed at On both sides of the bracket, the upper end of the valve stem penetrates the packing pad, the packing, the perforated packing pad, the pressing sleeve and the pressing plate, and is locked to the upper end of the bracket by the valve stem nut, and the top end of the valve stem is inserted with the hand wheel after the valve stem nut.
  • a layer of STL cemented carbide is deposited on the sealing surface of the throttle flap and the valve seat.
  • a flap cover is disposed between the throttle flap and the valve stem.
  • the seal ring is a hard seal ring.
  • the valve body has a Y shape.
  • the two sides of the pressure plate are fixed on both sides of the bracket by a joint bolt, a cylindrical pin and a nut, and the lower end of the joint bolt is fixed on the bracket by a cylindrical pin, and the upper end of the joint bolt is inserted through the pressure plate and locked by a nut.
  • the valve body material is made of WB36 steel.
  • the nuclear power island has a high-performance guided Y-shaped three-acting valve with a pressure of 2500 LB.
  • the utility model has the advantages that the materials are different: the original 25 is now WB36; the pressure is increased: the original 1500LB or less is now 2500LB; when the medium enters from the low groove, it is a shut-off valve and a throttle valve; when the medium enters from the high groove It is a check valve, a multi-purpose valve, Y-shaped structure is to reduce the installation space; self-sealing ring: original soft seal, now hard seal; valve sealing surface surfacing STL hard alloy, improve the corrosion resistance of the valve and Wear resistance extends the life of the valve.
  • Figure 1 is a schematic view of the present invention.
  • Figure 2 is a partial enlarged view of the utility model.
  • the nuclear power island uses a high performance guided Y-shaped three-acting valve, which includes a valve body 1, a valve cover 5, a throttle flap 2, a valve stem 3, a stem nut 17, a bracket 16, and a lock.
  • throttle body 2 is installed in the middle of valve body 1, and throttle valve 2 is under A valve seat is arranged between the valve body 1, the upper end of the throttle valve 2 is connected with the valve stem 3, the upper end of the valve body 1 is provided with a valve cover 5, and a sealing ring 6 is arranged between the valve cover 5 and the valve body 1, and the lower end of the bracket 16 Screwed on the upper end of the valve body 1 and presses the sealing ring 6, so that the sealing ring 6 presses the valve cover 5, and the lock nut 13 locks the valve cover 5 to the bracket 16, and the valve cover 5 is sequentially installed from the bottom to the top.
  • Packing pad 7, packing 8, The perforated packing pad 9 and the packing 8, the perforated packing pad 9 is located between the packings 8.
  • the packing 8 is pressed against the pressing sleeve 14, and the pressing sleeve 14 is pressed against the pressing plate 15, and the two sides of the pressing plate 15 are respectively fixed on the two sides of the valve body 1.
  • a bracket 16 is mounted on both sides of the upper end of the valve body 1.
  • the upper end of the valve stem 1 is inserted through the packing pad 7, the packing 8, the perforated packing pad 9, the pressing sleeve 14, the pressing plate 15, and is locked at the upper end of the bracket 16 by the valve stem nut 17, the valve
  • the top end of the rod 1 is inserted through the stem nut 17 and the hand wheel 18 is mounted.
  • the throttle valve 2 and the sealing surface of the valve seat are welded with a layer of STL cemented carbide 21.
  • a flap cover 4 is disposed between the throttle flap 2 and the valve stem 3.
  • the seal ring 6 is a hard seal ring.
  • the valve body 1 is in the shape of a Y.
  • the two sides of the pressure plate 15 are fixed on the two sides of the bracket 16 by the joint bolts 11, the cylindrical pins 10 and the nut 12.
  • the lower end of the joint bolt 11 is fixed on the bracket 16 through the cylindrical pin 10. After the upper end of the joint bolt 11 penetrates the pressure plate 15, Locked by nut 12.
  • the valve body 1 material is made of WB36 steel.
  • the nuclear power island has a high-performance guided Y-shaped three-acting valve with a pressure of 2500 LB.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

一种核电岛心用高性能导向式Y形三作用阀门，包括阀体（1）、阀盖（5）、节流阀瓣（2）、阀杆（3）、阀杆螺母（17）、支架（16）、锁紧螺母（13）、密封圈（6）、压板（15）、压套（14）、带孔填料垫（9）、填料（8）、填料垫（7）、手轮（18），锁紧螺母把阀盖锁紧在支架上，阀盖内从下往上依次装有填料垫、填料、带孔填料垫和填料，带孔填料垫位于填料之间，填料上面压着压套，压套上压装压板，压板两侧分别固定在支架两侧，阀杆上端贯穿填料垫、填料、带孔填料垫、压套、压板且通过阀杆螺母锁紧在支架上端，阀杆顶端贯穿阀杆螺母后装有手轮。该核电岛心用高性能导向式Y形三作用阀门能够减小安装空间，同时具有截止阀、节流阀和止回阀三种作用。

Description

核电岛心用高性能导向式Y形三作用阀门 技术领域
本实用新型涉及阀门领域，具体涉及一种核电岛心用高性能导向式Y形三作用阀门。
背景技术
传统截止阀的功能是截止或接通管道中的介质；节流阀的功能是截断或接通管道中的介质，起调节流量的作用；止回阀的功能是控制介质倒流。为了降低发电成本，提高发电效率，发电设备正朝着大型化、高参数、高性能、一阀三作用的方向发展。本项目设计是把截止阀、节流阀和止回阀的功能结合在一起，当介质从低坡口进入是截止阀、节流阀；当介质从高坡口进入是止回阀。
发明内容
为了解决上述发明问题，本实用新型提出了一种核电岛心用高性能导向式Y形三作用阀门，设计简单，使用方便，阀门主要采用高压力，硬自密封结构，阀体材料采用德国WB36，解决Y形一阀三用结构，满足使用工况。
核电岛心用高性能导向式Y形三作用阀门，它包括阀体、阀盖、节流阀瓣、阀杆、阀杆螺母、支架、锁紧螺母、密封圈、压板、压套、带孔填料垫、填料、填料垫、手轮，阀体中间装有节流阀瓣，节流阀瓣下面与阀体之间装有阀座，节流阀瓣上端连接阀杆，阀体上端装有阀盖，阀盖与阀体之间装有密封圈，支架下端旋紧在阀体上端并压紧密封圈，使密封圈压紧阀盖，锁紧螺母把阀盖锁紧在支架上，阀盖内从下往上依次装有填料垫、填料、带孔填料垫和填料，带孔填料垫位于填料之间，填料上面压着压套，压套上压装压板，压板两侧分别固定在支架两侧，阀杆上端贯穿填料垫、填料、带孔填料垫、压套、压板且通过阀杆螺母锁紧在支架上端，阀杆顶端贯穿阀杆螺母后装有手轮。
所述的节流阀瓣与阀座的密封面上堆焊一层STL硬质合金。
所述的节流阀瓣与阀杆之间装有阀瓣盖。
所述的密封圈是硬密封环。
所述的阀体呈Y形状。
所述的压板两侧通过活节螺栓、圆柱销和螺母固定在支架两侧，活节螺栓下端通过圆柱销固定在支架上，活节螺栓上端贯穿压板之后通过螺母锁紧。
所述的阀体材料采用WB36钢。
所述的核电岛心用高性能导向式Y形三作用阀门的使用压力为2500LB。
本实用新型的优点是材料不同：原25，现为WB36；压力增大：原1500LB以下，现为2500LB；当介质从低坡口进入是截止阀、节流阀；当介质从高坡口进入是止回阀，一阀多用途，Y形结构是减小安装空间；自密封圈：原软密封，现为硬密封；阀门密封面堆焊STL硬质合金，提高了阀门的耐腐蚀性和耐磨性，延长了阀门的使用寿命。
附图说明
图1是本实用新型的示意图。
图2是本实用新型的局部放大图。
具体实施方式
参照附图1-2，核电岛心用高性能导向式Y形三作用阀门，它包括阀体1、阀盖5、节流阀瓣2、阀杆3、阀杆螺母17、支架16、锁紧螺母13、密封圈6、压板15、压套14、带孔填料垫9、填料8、填料垫7、手轮18，阀体1中间装有节流阀瓣2，节流阀瓣2下面与阀体1之间装有阀座，节流阀瓣2上端连接阀杆3，阀体1上端装有阀盖5，阀盖5与阀体1之间装有密封圈6，支架16下端旋紧在阀体1上端并压紧密封圈6，使密封圈6压紧阀盖5，锁紧螺母13把阀盖5锁紧在支架16上，阀盖5内从下往上依次装有填料垫7、填料8、 带孔填料垫9和填料8，带孔填料垫9位于填料8之间，填料8上面压着压套14，压套14上压装压板15，压板15两侧分别固定在阀体1两侧，阀体1上端两侧装有支架16，阀杆1上端贯穿填料垫7、填料8、带孔填料垫9、压套14、压板15且通过阀杆螺母17锁紧在支架16上端，阀杆1顶端贯穿阀杆螺母17后装有手轮18。所述的节流阀瓣2与阀座的密封面上堆焊一层STL硬质合金21。
所述的节流阀瓣2与阀杆3之间装有阀瓣盖4。
所述的密封圈6是硬密封环。
所述的阀体1呈Y形状。
所述的压板15两侧通过活节螺栓11、圆柱销10和螺母12固定在支架16两侧，活节螺栓11下端通过圆柱销10固定在支架16上，活节螺栓11上端贯穿压板15之后通过螺母12锁紧。
所述的阀体1材料采用WB36钢。
所述的核电岛心用高性能导向式Y形三作用阀门的使用压力为2500LB。
使用时，手轮打开时，当介质从左边流进的是截止、节流阀，介质冲顶阀瓣，阀瓣向上运动，介质向右边流出；当介质从右边流进的是止回阀，阀瓣的自重压紧密封面，介质流不进左边，不好倒流；Y形结构是减小安装空间。

Claims (8)

  1. 核电岛心用高性能导向式Y形三作用阀门，它包括阀体、阀盖、节流阀瓣、阀杆、阀杆螺母、支架、锁紧螺母、密封圈、压板、压套、带孔填料垫、填料、填料垫、手轮，其特征是阀体中间装有节流阀瓣，节流阀瓣下面与阀体之间装有阀座，节流阀瓣上端连接阀杆，阀体上端装有阀盖，阀盖与阀体之间装有密封圈，支架下端旋紧在阀体上端并压紧密封圈，使密封圈压紧阀盖，锁紧螺母把阀盖锁紧在支架上，阀盖内从下往上依次装有填料垫、填料、带孔填料垫和填料，带孔填料垫位于填料之间，填料上面压着压套，压套上压装压板，压板两侧分别固定在支架两侧，阀杆上端贯穿填料垫、填料、带孔填料垫、压套、压板且通过阀杆螺母锁紧在支架上端，阀杆顶端贯穿阀杆螺母后装有手轮。
  2. 根据权利要求1所述的核电岛心用高性能导向式Y形三作用阀门，其特征是所述的节流阀瓣与阀座的密封面上堆焊一层STL硬质合金。
  3. 根据权利要求1所述的核电岛心用高性能导向式Y形三作用阀门，其特征是所述的节流阀瓣与阀杆之间装有阀瓣盖。
  4. 根据权利要求1所述的核电岛心用高性能导向式Y形三作用阀门，其特征是所述的密封圈是硬密封环。
  5. 根据权利要求1所述的核电岛心用高性能导向式Y形三作用阀门，其特征是所述的阀体呈Y形状。
  6. 根据权利要求1所述的核电岛心用高性能导向式Y形三作用阀门，其特征是所述的压板两侧通过活节螺栓、圆柱销和螺母固定在支架两侧，活节螺栓下端通过圆柱销固定在支架上，活节螺栓上端贯穿压板之后通过螺母锁紧。
  7. 根据权利要求1所述的核电岛心用高性能导向式Y形三作用阀门，其特征是所述的阀体材料采用WB36钢。
  8. 根据权利要求1所述的核电岛心用高性能导向式Y形三作用阀门，其特征是所述的核电岛心用高性能导向式Y形三作用阀门的使用压力为2500LB。
PCT/CN2016/000537 2016-09-22 2016-09-22 核电岛心用高性能导向式y形三作用阀门 WO2018053667A1 (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612894A (zh) * 2018-05-29 2018-10-02 江苏安普阀门机械有限公司 一种防堵的节流阀
CN109737217A (zh) * 2019-01-30 2019-05-10 天津富赛克流体控制设备有限公司 带有分体式填料压盖的硬密封固定球阀
CN111412301A (zh) * 2020-05-11 2020-07-14 上海一核阀门股份有限公司 一种用于高压气体介质的防泄漏阀门

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6047726A (en) * 1997-11-07 2000-04-11 Aska Corporation Austenitic stainless steel valve
CN202327261U (zh) * 2011-11-23 2012-07-11 温州纳川阀门有限公司 截止节流止回阀
CN203796983U (zh) * 2014-04-23 2014-08-27 南通国电电站阀门有限公司 超临界高压力硬密封圈多作用阀门
CN204647338U (zh) * 2015-05-13 2015-09-16 南通国电电站阀门有限公司 核岛用y形加配管高温高压泄压式双阀瓣截止阀
CN205639726U (zh) * 2016-05-19 2016-10-12 南通国电电站阀门股份有限公司 核电岛心用高性能导向式y形三作用阀门

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6047726A (en) * 1997-11-07 2000-04-11 Aska Corporation Austenitic stainless steel valve
CN202327261U (zh) * 2011-11-23 2012-07-11 温州纳川阀门有限公司 截止节流止回阀
CN203796983U (zh) * 2014-04-23 2014-08-27 南通国电电站阀门有限公司 超临界高压力硬密封圈多作用阀门
CN204647338U (zh) * 2015-05-13 2015-09-16 南通国电电站阀门有限公司 核岛用y形加配管高温高压泄压式双阀瓣截止阀
CN205639726U (zh) * 2016-05-19 2016-10-12 南通国电电站阀门股份有限公司 核电岛心用高性能导向式y形三作用阀门

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612894A (zh) * 2018-05-29 2018-10-02 江苏安普阀门机械有限公司 一种防堵的节流阀
CN109737217A (zh) * 2019-01-30 2019-05-10 天津富赛克流体控制设备有限公司 带有分体式填料压盖的硬密封固定球阀
CN111412301A (zh) * 2020-05-11 2020-07-14 上海一核阀门股份有限公司 一种用于高压气体介质的防泄漏阀门

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