CN103671934A - 高密封性耐腐蚀全衬截止阀 - Google Patents

高密封性耐腐蚀全衬截止阀 Download PDF

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Publication number
CN103671934A
CN103671934A CN201210318291.XA CN201210318291A CN103671934A CN 103671934 A CN103671934 A CN 103671934A CN 201210318291 A CN201210318291 A CN 201210318291A CN 103671934 A CN103671934 A CN 103671934A
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valve
corrosion
resistant
sealing
stop valve
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CN201210318291.XA
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English (en)
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田江
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Jiang Suhai Reaches Ship Valve Industry Co Ltd
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Jiang Suhai Reaches Ship Valve Industry Co Ltd
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Priority to CN201210318291.XA priority Critical patent/CN103671934A/zh
Publication of CN103671934A publication Critical patent/CN103671934A/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
    • 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
    • F16K1/02—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 screw-spindle
    • F16K1/04—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 screw-spindle with a cut-off member rigid with the spindle, e.g. main 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
    • F16K1/38—Valve members of conical shape
    • 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
    • F16K1/48—Attaching valve members to screw-spindles
    • 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
    • F16K25/00—Details relating to contact between valve members and seats
    • F16K25/04—Arrangements for preventing erosion, not otherwise provided for
    • 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
    • F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining
    • 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
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves

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

Abstract

本发明公开了一种高密封性耐腐蚀全衬截止阀，包括覆有耐腐蚀材料的阀体、阀盖、阀瓣、阀杆，阀瓣端部锥面、阀体内腔、阀杆表面设有均匀分布的燕尾槽，耐腐蚀材料填充在所述燕尾槽内从而与金属基体构成一体，耐腐蚀材料为聚四氟乙烯复合层；阀瓣端部远离阀盖一侧平面设有若干个均匀分布的内孔，内孔的口端倒角；阀瓣与阀杆为整体锻造而成；阀盖与阀体榫槽式密封连接。本发明密封结构合理，密封性好，安全可靠。

Description

高密封性耐腐蚀全衬截止阀
技术领域
本发明涉及一种用于湿氯等强腐蚀物质输送的阀门，特别涉及一种不需停车即可更换阀门填料的湿氯专用阀。
背景技术
目前，公知的普通阀门由阀体、阀盖、阀瓣、阀杆、螺母等主要部件组成，各部件材料一般不耐腐蚀。此类普通阀门，一旦用于输送氯碱等强腐蚀、有毒介质时，与介质接触部分极容易腐蚀而发生泄漏。从而危害周边环境和人身安全。
   近年来，根据有毒、易泄漏介质输送的特殊要求，针对现有阀门使用的若干缺陷，现在技术中公布了不少关于防止氯气泄漏的氯气专用阀的技术方案。但是在实际应用中，由于这些技术方案仍采用平面密封结构，在输送介质中含有颗粒杂质等特殊工况下较易压坏密封闭，导致密封失效而泄漏。
发明内容
为了克服现有湿氯阀更换填料时必须停车的不足，本发明提供一种高密封性耐腐蚀全衬截止阀，该阀密封性好，安全可靠。
本发明通过下述技术方案实现技术目标。
    高密封性耐腐蚀全衬截止阀，包括覆有耐腐蚀材料的阀体、阀盖、阀瓣、阀杆，其改进之处在于：所述阀瓣端部锥面、阀体内腔、阀杆表面设有均匀分布的燕尾槽，耐腐蚀材料填充在所述燕尾槽内从而与金属基体构成一体，所述耐腐蚀材料为聚四氟乙烯复合层。
   作为本发明进一步的改进，所述燕尾槽槽底宽度≤2.5mm，槽口宽度≤2.5mm，槽深≤2mm。
   作为本发明更进一步的改进，所述阀瓣端部远离阀盖一侧平面设有若干个均匀分布的内孔，所述内孔的口端倒角；所述阀瓣与阀杆为整体锻造而成；所述阀盖与阀体榫槽式密封连接。
本发明与现有技术相比，具有以下积极效果：普通的氯碱阀其阀瓣和阀杆表面一般直接覆盖一层耐腐蚀材料，但随着阀瓣、阀杆的运动，覆盖其上面的耐腐蚀层很容易松动、起层、鼓包，直接影响密封效果。本发明在阀瓣端部平面设有多个均匀分布的内孔，在内孔的口端倒50°～55°角；在阀瓣端部锥面、阀体内腔、阀杆表面设置均匀分布的燕尾槽，控制燕尾槽槽底宽度≤2.5mm，槽口宽度≤2.5mm，槽深≤2mm，再将耐腐蚀材料填充到这些孔内和槽中，既不影响阀瓣、阀杆的整体强度，又可使耐腐蚀材料完全与金属基体构成一体，保证阀瓣、阀杆工作时不松动、起层、鼓包，可以起到好的耐腐蚀、抗冲刷的效果，整体密封性也更好，阀体材料根据氯碱化工工矿特殊要求采用耐腐蚀合金钢制成，解决普通阀门壳体经常穿孔氯气泄漏的难题。
附图说明
图1为本发明具体结构示意图。
图2为图1中Ⅰ部分局部放大图。
具体实施方式
    如图1所示高密封性耐腐蚀全衬截止阀，包括覆有耐腐蚀材料的阀体1、阀盖2、阀瓣3、阀杆4，所述阀瓣3端部锥面、阀体1内腔、阀杆4表面设有均匀分布的燕尾槽5，耐腐蚀材料填充在所述燕尾槽5内从而与金属基体构成一体，所述耐腐蚀材料为聚四氟乙烯复合层；本实施例中，所述燕尾槽5槽底宽度≤2.5mm，槽口宽度≤2.5mm，槽深≤2mm。所述阀瓣3端部远离阀盖2一侧平面设有若干个均匀分布的内孔，本实施例中，阀瓣端部远离阀盖一侧平面上设有均匀分布的8个内孔，所述内孔的口端倒50°～55°角；所述阀瓣3与阀杆4为整体锻造而成；所述阀盖2与阀体1榫槽式密封连接。

Claims (5)

1.一种高密封性耐腐蚀全衬截止阀，包括覆有耐腐蚀材料的阀体（1）、阀盖（2）、阀瓣（3）、阀杆（4），其特征在于：所述阀瓣（3）端部锥面、阀体（1）内腔、阀杆（4）表面设有均匀分布的燕尾槽（5），耐腐蚀材料填充在所述燕尾槽（5）内从而与金属基体构成一体，所述耐腐蚀材料为聚四氟乙烯复合层。
2.根据权利要求1所述的高密封性耐腐蚀全衬截止阀，其特征在于：所述燕尾槽（5）槽底宽度≤2.5mm，槽口宽度≤2.5mm，槽深≤2mm。
3.根据权利要求1所述的高密封性耐腐蚀全衬截止阀，其特征在于：所述阀瓣（3）端部远离阀盖（2）一侧平面设有若干个均匀分布的内孔，所述内孔的口端倒50°～55°角。
4.根据权利要求1所述的高密封性耐腐蚀全衬截止阀，其特征在于：所述阀瓣（3）与阀杆（4）为整体锻造而成。
5.根据权利要求1所述的高密封性耐腐蚀全衬截止阀，其特征在于：所述阀盖（2）与阀体（1）榫槽式密封连接。
CN201210318291.XA 2012-09-02 2012-09-02 高密封性耐腐蚀全衬截止阀 Pending CN103671934A (zh)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105840837A (zh) * 2016-04-25 2016-08-10 江苏海达船用阀业有限公司 耐高压直角消防阀
CN105840848A (zh) * 2016-04-29 2016-08-10 江苏海达船用阀业有限公司 耐腐蚀快关阀
CN106641292A (zh) * 2015-10-28 2017-05-10 江苏海达船用阀业有限公司 耐高温快关阀
CN106641418A (zh) * 2015-11-02 2017-05-10 江苏中昊船用阀门制造有限公司 耐高温快关式截止阀
CN106931211A (zh) * 2015-12-30 2017-07-07 江苏海达船用阀业有限公司 耐超低温、耐腐蚀快关式截止阀
CN108119078A (zh) * 2016-11-30 2018-06-05 卡梅伦国际有限公司 用于加压流体流动路径的连接件
WO2018133225A1 (zh) * 2017-01-22 2018-07-26 江苏金晟元特种阀门股份有限公司 特种氯气专用阀

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106641292A (zh) * 2015-10-28 2017-05-10 江苏海达船用阀业有限公司 耐高温快关阀
CN106641418A (zh) * 2015-11-02 2017-05-10 江苏中昊船用阀门制造有限公司 耐高温快关式截止阀
CN106931211A (zh) * 2015-12-30 2017-07-07 江苏海达船用阀业有限公司 耐超低温、耐腐蚀快关式截止阀
CN105840837A (zh) * 2016-04-25 2016-08-10 江苏海达船用阀业有限公司 耐高压直角消防阀
CN105840848A (zh) * 2016-04-29 2016-08-10 江苏海达船用阀业有限公司 耐腐蚀快关阀
CN108119078A (zh) * 2016-11-30 2018-06-05 卡梅伦国际有限公司 用于加压流体流动路径的连接件
CN108119078B (zh) * 2016-11-30 2020-11-20 卡梅伦技术有限公司 用于加压流体流动路径的连接件
WO2018133225A1 (zh) * 2017-01-22 2018-07-26 江苏金晟元特种阀门股份有限公司 特种氯气专用阀

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Application publication date: 20140326