CN109899575B - 一种两相流定比混输阀 - Google Patents

一种两相流定比混输阀 Download PDF

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CN109899575B
CN109899575B CN201910275889.7A CN201910275889A CN109899575B CN 109899575 B CN109899575 B CN 109899575B CN 201910275889 A CN201910275889 A CN 201910275889A CN 109899575 B CN109899575 B CN 109899575B
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CN109899575A (zh
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孔春岩
李双双
赵勇
张均富
杜强
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Xi'an Cofit Mechanical Equipment Co.,Ltd.
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Xihua University
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Abstract

本发明涉及一种炼化领域用于两相流恒定比例混合输送的两相流定比混输阀。它解决两相流混合比例不稳定的问题。其技术特征是:外壳体内腔设置为沉孔,外壳体左端设置一进流孔a,外壳体中部设置一混输孔;外壳体右端和封盖丝扣连接,封盖中部设置一进流孔b;锥套a内腔设置为圆锥孔,锥套b内腔设置为圆锥孔;锥套a和内筒a左端丝扣连接,锥套b和内筒b右端丝扣连接,内筒a右端和内筒b左端丝扣连接;阀芯置入内筒a和内筒b的内腔,阀芯外圆中部的凸台位于内筒a内腔中部凸起台阶和内筒b内腔左端凸起台阶之间。本发明利用两相流体的压力自动平衡混合比例,结构简单,适合于复杂多变的工况。

Description

一种两相流定比混输阀
技术领域
本发明涉及一种炼化领域用于两相流恒定比例混合输送的两相流定比混输阀。
背景技术
在炼化工程中,两相流混合反应是极为常见的,然后由于各种自然条件的限制,尤其在油气炼化领域,站上长距离流体输送使得混输流体状态极不稳定,输送过程中压力、流量波动较大,因此需要配置相应的稳压、稳流设备。然而根据施工情况的不同,很多场合由于自然条件和经济性的限制,并不能配备安全可靠的稳压、稳流系统,阻碍了生产作业的顺利进行。因此,设计简单可靠的混输装置取代复杂的稳压、稳流系统,可以大大推进简易条件下两相流定比混合的作业施工,简化工艺流程,取得广泛的推广。
基于上述技术背景,本发明特提供一种两相流定比混输阀,准确实现不稳定流体的定比例混合。
发明内容
本发明的目的是:为了解决两相流混合比例不稳定的问题,特提供一种两相流定比混输阀。
为了达到上述目的,本发明采用以下技术方案:一种两相流定比混输阀,是由外壳体、锥套a、内筒a、阀芯、内筒b、锥套b和封盖构成。其结构特征是:外壳体内腔设置为沉孔,外壳体左端设置一进流孔a,外壳体中部设置一混输孔;外壳体右端和封盖丝扣连接,封盖中部设置一进流孔b;锥套a内腔设置为圆锥孔,锥套b内腔设置为圆锥孔;内筒a外圆设置为台阶轴,内筒a内腔中部设置一圈凸起台阶,内筒a内腔中部凸起台阶的左侧周向均匀设置四个出流孔a;内筒b外圆设置为台阶轴,内筒b内腔左端设置一圈凸起台阶,内筒b中部周向均匀设置四个出流孔b;锥套a和内筒a左端丝扣连接,锥套b和内筒b右端丝扣连接,内筒a右端和内筒b左端丝扣连接;阀芯两端设置为圆锥面,阀芯左端圆锥面的锥度和锥套a内腔圆锥孔的锥度相同,阀芯右端圆锥面的锥度和锥套b内腔圆锥孔的锥度相同,阀芯外圆中部设置一圈凸台,阀芯设置一调压孔a连通阀芯左端外圆和凸台右侧外圆,阀芯设置一调压孔b连通阀芯右端外圆和凸台左侧外圆;阀芯置入内筒a和内筒b的内腔,阀芯外圆中部的凸台位于内筒a内腔中部凸起台阶和内筒b内腔左端凸起台阶之间。
本发明的有益效果是:(1)本发明实现两相流体混合比例的自动调节,维持稳定的混合比例;(2)本发明利用两相流体的压力自动平衡混合比例,结构简单,适合于复杂多变的工况。
附图说明
图1是本发明一种两相流定比混输阀的结构示意图;
图中:1—外壳体、2—锥套a、3—内筒a、4—阀芯、5—内筒b、6—锥套b、7—封盖、11—进流孔a、12—混输孔、31—出流孔a、41—调压孔a、42—凸台、43—调压孔b、51—出流孔b、71—进流孔b。
具体实施方式
如图1所示,本发明一种两相流定比混输阀,是由外壳体1、锥套a2、内筒a3、阀芯4、内筒b5、锥套b6和封盖7构成。其结构特征是:外壳体1内腔设置为沉孔,外壳体1左端设置一进流孔a11,外壳体1中部设置一混输孔12;外壳体1右端和封盖7丝扣连接,封盖7中部设置一进流孔b71;锥套a2内腔设置为圆锥孔,锥套b6内腔设置为圆锥孔;内筒a3外圆设置为台阶轴,内筒a3内腔中部设置一圈凸起台阶,内筒a3内腔中部凸起台阶的左侧周向均匀设置四个出流孔a31;内筒b5外圆设置为台阶轴,内筒b5内腔左端设置一圈凸起台阶,内筒b5中部周向均匀设置四个出流孔b51;锥套a2和内筒a3左端丝扣连接,锥套b6和内筒b5右端丝扣连接,内筒a3右端和内筒b5左端丝扣连接;阀芯4两端设置为圆锥面,阀芯4左端圆锥面的锥度和锥套a2内腔圆锥孔的锥度相同,阀芯4右端圆锥面的锥度和锥套b6内腔圆锥孔的锥度相同,阀芯4外圆中部设置一圈凸台42,阀芯4设置一调压孔a41连通阀芯4左端外圆和凸台42右侧外圆,阀芯4设置一调压孔b43连通阀芯4右端外圆和凸台42左侧外圆;阀芯4置入内筒a3和内筒b5的内腔,阀芯4外圆中部的凸台42位于内筒a3内腔中部凸起台阶和内筒b5内腔左端凸起台阶之间。
本发明一种两相流定比混输阀利用调压孔a41和调压孔b43控制阀芯4移动,进而调节阀芯4两端圆锥面和锥套a2与锥套b6的开合程度;进流孔a11进压升高时,阀芯4左移,使出流孔a31压力降低;进流孔b71进压升高时,阀芯4右移,使出流孔b51压力降低;本发明始终将两相流体的混输比例控制在一定范围内,设计阀芯两端参数,可获得理想的混输比。

Claims (2)

1.一种两相流定比混输阀,是由外壳体(1)、锥套a(2)、内筒a(3)、阀芯(4)、内筒b(5)、锥套b(6)和封盖(7)构成;其特征是:外壳体(1)内腔设置为沉孔,外壳体(1)左端设置一进流孔a(11),外壳体(1)中部设置一混输孔(12);外壳体(1)右端和封盖(7)丝扣连接,封盖(7)中部设置一进流孔b(71);锥套a(2)内腔设置为圆锥孔,锥套b(6)内腔设置为圆锥孔;内筒a(3)外圆设置为台阶轴,内筒a(3)内腔中部设置一圈凸起台阶,内筒a(3)内腔中部凸起台阶的左侧周向均匀设置四个出流孔a(31);内筒b(5)外圆设置为台阶轴,内筒b(5)内腔左端设置一圈凸起台阶,内筒b(5)中部周向均匀设置四个出流孔b(51);锥套a(2)和内筒a(3)左端丝扣连接,锥套b(6)和内筒b(5)右端丝扣连接,内筒a(3)右端和内筒b(5)左端丝扣连接;阀芯(4)两端设置为圆锥面,阀芯(4)外圆中部设置一圈凸台(42),阀芯(4)设置一调压孔a(41)连通阀芯(4)左端外圆和凸台(42)右侧外圆,阀芯(4)设置一调压孔b(43)连通阀芯(4)右端外圆和凸台(42)左侧外圆;阀芯(4)置入内筒a(3)和内筒b(5)的内腔,阀芯(4)外圆中部的凸台(42)位于内筒a(3)内腔中部凸起台阶和内筒b(5)内腔左端凸起台阶之间。
2.根据权利要求1所述的两相流定比混输阀,其特征是:所述阀芯(4)左端圆锥面的锥度和锥套a(2)内腔圆锥孔的锥度相同,阀芯(4)右端圆锥面的锥度和锥套b(6)内腔圆锥孔的锥度相同。
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2463438C1 (ru) * 2011-04-26 2012-10-10 Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" Способ обогрева запорного органа обратного клапана
CN206738628U (zh) * 2017-04-21 2017-12-12 浙江工业大学 一种固液输送环境下的流量调节装置

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CN202266705U (zh) * 2011-09-30 2012-06-06 孙付业 两相流体混合调节控制球阀
CN107724968B (zh) * 2017-10-24 2019-03-08 西华大学 一种双壁钻杆气液混合装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2463438C1 (ru) * 2011-04-26 2012-10-10 Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" Способ обогрева запорного органа обратного клапана
CN206738628U (zh) * 2017-04-21 2017-12-12 浙江工业大学 一种固液输送环境下的流量调节装置

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