CN203098933U - 黑水专用耐磨球阀 - Google Patents

黑水专用耐磨球阀 Download PDF

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CN203098933U
CN203098933U CN 201320144581 CN201320144581U CN203098933U CN 203098933 U CN203098933 U CN 203098933U CN 201320144581 CN201320144581 CN 201320144581 CN 201320144581 U CN201320144581 U CN 201320144581U CN 203098933 U CN203098933 U CN 203098933U
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valve
valve body
special
ball valve
wear resistance
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洪文曙
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HUFA TECHNOLOGY HOLDINGS Co Ltd
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HUFA TECHNOLOGY HOLDINGS Co Ltd
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Abstract

本实用新型公开了一种黑水专用耐磨球阀,包括阀体,阀盖,阀杆和阀芯,所述阀体为一体式阀体,在一体式阀体的进、出口内壁上分别密封套装有加长型整流道阀座,所述阀芯为球形阀芯,两侧加长型整流道阀座与球形阀芯对接处密封配合。本实用新型解决了用于黑水介质的球阀的卡堵问题和密封面的磨损泄漏难题,使用寿命大大延长,清洁频率减少,减轻了使用及维护成本。

Description

黑水专用耐磨球阀
技术领域:
本实用新型涉及煤化工行业的黑水、灰水等特殊介质的自动接通、切断的阀体技术,具体涉及一种黑水专用耐磨球阀。
背景技术:
目前常用的金属密封球阀,都是采用二片或三片式组合阀体结构,浮动式球芯加两个活动的金属阀座进行密封,受温度、压力变化易造成阀体变形,导致球体卡死;阀座密封面四周间隙易积聚黑水中的颗料,使密封面极易磨损,导致密封副快速失效,从而使阀门严重卡死或泄漏,并快速吹通阀体流道壁,一般使用寿命仅有1~2周,严重地影响了整个装置的正常运行。
实用新型内容:
本实用新型针对长期以来困扰煤化工项目中开关阀易磨损、易内漏、寿命短,需频繁更换的难题,提供一种黑水专用耐磨球阀。
技术方案:一种黑水专用耐磨球阀,包括阀体,阀盖,阀杆和阀芯,其中,所述阀体为一体式阀体,在一体式阀体的进、出口内壁上分别密封套装有加长型整流道阀座,所述阀芯为球形阀芯,两侧加长型整流道阀座与球形阀芯对接处密封配合。
两侧加长型整流道阀座与一体式阀体的进、出口内壁分别设置有对应的凸、凹台阶,凸、凹台阶之间套装有蝶形弹簧。
所述阀盖上端与阀杆之间设置有环形腔,环形腔的底部套装有填料垫板,环形腔上端套固有环形压板,环形腔内填充有填料。
所述阀杆与所述球形阀芯固定为一体。
有益效果:本实用新型的黑水专用耐磨球阀,采用一体式阀体结构,球形阀芯与阀杆固定为一体,使球形阀芯具有非常好的刚度,不再受温度、压力变化影响,球形阀芯转动非常可靠;加长型整流道阀座采用蝶形弹簧预紧式结构,并带有防颗料进入双密封圈,挡住了进入蝶形弹簧腔的颗粒,使蝶形弹簧的预紧力始终恒定;自清洁式密封面设计,球体密封面、加长型整流道阀座密封面及流道内孔超音速喷涂碳化钨合金,并经特制工艺研磨,完全杜绝了黑水介质中的颗粒渗入加长型整流道阀座、球形阀芯的密封面,大大提高了密封面的耐磨性和使用寿命;加长型整流道阀座不仅增加了整体强度,还保护了一体式阀体的流道不受黑水颗料的冲刷;以上设计的很好地解决了用于黑水介质的球形阀芯的卡堵问题和密封面的磨损泄漏难题,使用寿命是目前常规金属密封球阀的几十倍。一般只需12~18个月左右对一体式阀体和密封面清洗一次,大大减轻了使用及维护成本。
附图说明:
图1是本实用新型黑水专用耐磨球阀的剖面结构示意图。
图中标号1为一体式阀体,2为阀座双密封圈,3为蝶形弹簧,4为球形阀芯,5为加长型整流道阀座,6为填料,7为阀盖密封圈,8为阀盖,9为支架,10为螺柱,11为平垫片,12为螺母,13为环形压板,14为阀杆。
具体实施方式:
实施例1:参见图1,该黑水专用耐磨球阀包括阀体,阀盖8,阀杆14和阀芯等部件。其中,所述阀芯为球形阀芯4,阀杆14与球形阀芯4固定为一体,球形阀芯4置于阀体中心位置,所述阀体为一体式阀体1,在一体式阀体1的进、出口内壁上分别密封套装有加长型整流道阀座5,两侧加长型整流道阀座5与球形阀芯4对接处密封配合。两侧加长型整流道阀座5与一体式阀体1的进、出口内壁分别设置有对应的凸、凹台阶,凸、凹台阶之间套装有蝶形弹簧3。
一体式阀体1上部固定安装有一个阀盖8,与球形阀芯4连接的阀杆14一端伸出阀盖8。阀盖8上端与阀杆14之间设置有环形腔,环形腔的底部套装有填料垫板,环形腔上端套固有环形压板13,环形腔内填充有填料6。阀杆14通过连接套固定连接于执行机构输出轴,并且随执行机构输出轴做90°角旋转运动,以改变球形阀芯4与加长型整流道阀座5之间流道的完全开启与关闭。

Claims (4)

1.一种黑水专用耐磨球阀,包括阀体,阀盖,阀杆和阀芯,其特征是:所述阀体为一体式阀体,在一体式阀体的进、出口内壁上分别密封套装有加长型整流道阀座,所述阀芯为球形阀芯,两侧加长型整流道阀座与球形阀芯对接处密封配合。
2.根据权利要求1所述的黑水专用耐磨球阀,其特征是:两侧加长型整流道阀座与一体式阀体的进、出口内壁分别设置有对应的凸、凹台阶,凸、凹台阶之间套装有蝶形弹簧。
3.根据权利要求1所述的黑水专用耐磨球阀,其特征是:所述阀盖上端与阀杆之间设置有环形腔,环形腔的底部套装有填料垫板,环形腔上端套固有环形压板,环形腔内填充有填料。
4.根据权利要求1所述的黑水专用耐磨球阀,其特征是:所述阀杆与所述球形阀芯固定为一体。
CN 201320144581 2013-03-27 2013-03-27 黑水专用耐磨球阀 Expired - Fee Related CN203098933U (zh)

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Address after: Yulong Industrial Park C District Jade Spring District of Hohhot City, No. 15 the Inner Mongolia Autonomous Region 010070

Patentee after: HUFA TECHNOLOGY HOLDINGS CO., LTD.

Address before: Yulong Industrial Park C District Jade Spring District of Hohhot City, No. 15 the Inner Mongolia Autonomous Region 010070

Patentee before: Hufa Technology Holdings Co., Ltd.

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Denomination of utility model: Special wear-resistant ball valve for black water

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Pledgor: HUFA TECHNOLOGY HOLDINGS CO., LTD.

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