CN104315191A - 球阀阀球 - Google Patents
球阀阀球 Download PDFInfo
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- CN104315191A CN104315191A CN201410579159.3A CN201410579159A CN104315191A CN 104315191 A CN104315191 A CN 104315191A CN 201410579159 A CN201410579159 A CN 201410579159A CN 104315191 A CN104315191 A CN 104315191A
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- Prior art keywords
- ball
- valve
- ppsu
- metal
- layer
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- Legal status (The legal status 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 status listed.)
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
本发明提供一种阀球,包括球体,球体外壁上附有一层防腐耐磨层,所述防腐耐磨层为PPSU层。所述球体为金属球体或塑料球体。防腐耐磨层采用PPSU(聚亚苯基砜树脂)材料制备可以有效防止阀球生锈,PPSU材料还具有耐高温、耐腐蚀的效果,因此可以解决球阀因为金属球腐蚀而泄漏,或者因为结垢卡死的缺陷。
Description
技术领域
本发明涉及一种球阀的阀球。
背景技术
球阀(ball valve在海工和船舶领域应为截止阀),标准GB/T21465-2008《阀门术语》中定义为:启闭件(球体)由阀杆带动,并绕球阀轴线作旋转运动的阀门。在我国,球阀被广泛的应用在石油炼制、长输管线、化工、造纸、制药、水利、电力、市政、钢铁等行业,主要用来做切断、分配和改变介质的流动方向,它只需要用旋转90度的操作和很小的转动力矩就能关闭严密。现有的球阀中的阀球,通常用金属(主要是铜)或者塑料制作,金属阀球存在腐蚀后导致液体泄漏、结垢造成球阀卡死等缺陷,而塑料阀球则具有不耐磨的缺点,本发明试图解决以上问题。
发明内容
本发明提供一种阀球,目的是解决现有技术问题,提供一种耐腐蚀、耐高温、不会生锈的阀球,避免阀球腐蚀后泄漏、结垢造成卡死等缺陷。
本发明解决问题采用的技术方案是:
阀球,包括球体,在球体外壁上附有一层防腐耐磨层。
所述防腐耐磨层为PPSU层。
所述球体为金属球体或塑料球体。
本发明的有益效果:阀球采用PPSU(聚亚苯基砜树脂)材料制备可以有效防止阀球生锈,PPSU材料还具有耐高温、耐腐蚀的效果,因此可以解决球阀因为金属球腐蚀而泄漏,或者因为结垢卡死的缺陷。
附图说明
图1是本发明的结构示意图;
图2是图1的A-A向剖视图。
1.球体、2.防腐耐磨层。
具体实施方式
以下结合附图和具体实施例对本发明做进一步详细说明。
如图1、图2中所示的阀球,包括球体1,在球体外壁上附有一层防腐耐磨层2。本实施例中防腐耐磨层2采用PPSU材料制备,也可以是其他任何适用的材料。其中球体1可以是金属球体,也可以是塑料球体。
聚亚苯基砜树脂(Polyphenylene sulfone resins,PPSU),是一种无定形的热性塑料具有高度、透明性、高水解稳定性。除强极性溶剂、浓硝酸和硫酸外,对一般酸、碱、盐、醇、脂肪烃等稳定。部分溶于酯酮`芳烃,可溶于卤烃`DM。刚性和韧性好,耐温、耐热氧化,抗蠕变性能优良,耐无机酸、碱、盐溶液的腐蚀,耐离子辐射,无毒,绝缘性和自熄性好,容易成型加工,制品可以经受重复的蒸汽消毒。
防腐耐磨层2采用PPSU材料制备,可在高温情况下使用,且不含重金属,不生锈结垢,耐腐蚀,避免阀球腐蚀而导致球阀泄漏,或者因为结垢卡死的缺陷。
该阀球分别通过20℃1hour,95℃165hour,95℃1000hour测试,测试结果无泄漏、无损坏。
Claims (3)
1.阀球,包括球体,其特征在于:球体外壁上附有一层防腐耐磨层。
2.如权利要求1中所述的阀球,其特征在于:所述防腐耐磨层为PPSU层。
3.如权利要求1或2中所述的阀球,其特征在于:所述球体为金属球体或塑料球体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410579159.3A CN104315191A (zh) | 2014-10-24 | 2014-10-24 | 球阀阀球 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410579159.3A CN104315191A (zh) | 2014-10-24 | 2014-10-24 | 球阀阀球 |
Publications (1)
Publication Number | Publication Date |
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CN104315191A true CN104315191A (zh) | 2015-01-28 |
Family
ID=52370468
Family Applications (1)
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CN201410579159.3A Pending CN104315191A (zh) | 2014-10-24 | 2014-10-24 | 球阀阀球 |
Country Status (1)
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CN (1) | CN104315191A (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2280810Y (zh) * | 1996-12-13 | 1998-05-06 | 刘国良 | 三节式防腐球阀 |
CN200955603Y (zh) * | 2006-08-28 | 2007-10-03 | 温州市鹿城区南郊振峰陶瓷加工厂 | 陶瓷喷涂球型阀门内芯 |
CN200989466Y (zh) * | 2006-12-08 | 2007-12-12 | 淄博泰丰阀门制造有限公司 | 氯气专用球阀 |
WO2009110813A1 (en) * | 2008-03-07 | 2009-09-11 | Celula 3Pp, S.A. | Monoblock ball valve and manufacture method thereof |
CN202659958U (zh) * | 2012-07-12 | 2013-01-09 | 方圆阀门集团丽水有限公司 | 一种耐腐蚀球阀 |
-
2014
- 2014-10-24 CN CN201410579159.3A patent/CN104315191A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2280810Y (zh) * | 1996-12-13 | 1998-05-06 | 刘国良 | 三节式防腐球阀 |
CN200955603Y (zh) * | 2006-08-28 | 2007-10-03 | 温州市鹿城区南郊振峰陶瓷加工厂 | 陶瓷喷涂球型阀门内芯 |
CN200989466Y (zh) * | 2006-12-08 | 2007-12-12 | 淄博泰丰阀门制造有限公司 | 氯气专用球阀 |
WO2009110813A1 (en) * | 2008-03-07 | 2009-09-11 | Celula 3Pp, S.A. | Monoblock ball valve and manufacture method thereof |
CN202659958U (zh) * | 2012-07-12 | 2013-01-09 | 方圆阀门集团丽水有限公司 | 一种耐腐蚀球阀 |
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Application publication date: 20150128 |