CN104324515B - 制备浓缩液用的采样单元 - Google Patents

制备浓缩液用的采样单元 Download PDF

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CN104324515B
CN104324515B CN201410709823.1A CN201410709823A CN104324515B CN 104324515 B CN104324515 B CN 104324515B CN 201410709823 A CN201410709823 A CN 201410709823A CN 104324515 B CN104324515 B CN 104324515B
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李宏伟
徐石清
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Wuhan Jun An Pharmaceutical Co., Ltd.
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1062Sampling under constant temperature, pressure, or the like
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • G01N2001/205Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping using a valve
    • G01N2001/2057Sample chamber in a valve/piston

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Abstract

本发明涉及浓缩液制备领域,具体涉及利用低压低沸点制备浓缩液的设备用的采样单元,其包括基体、活动杆、限位销、取样腔、采样孔、轴套、等压腔,其特征在于活动杆设置有更新通道,其首端延伸至采样孔的底部,其末端朝远离把柄端延伸,且更新通道的末端延伸到活动杆的外柱面;当采样孔位于取样腔内时,更新通道的末端也位于取样腔内;当采样孔位于轴套内且靠近轴套的正面时,更新通道的末端位于轴套内且靠近轴套的背面;当采样孔位于基体外部时,更新通道的末端位于轴套内且靠近轴套的正面。由于本发明设置了更新通道,所以采样孔内的浓缩液是实时更新的,所以对锅炉内的溶液进行取样时,无需先将把柄快速转动,仅需将活动杆拉出即可,方便省时。

Description

制备浓缩液用的采样单元
技术领域
本发明涉及浓缩液制备领域,尤其但不排它地涉及一种制备浓缩液用的采样单元。
背景技术
水的沸点随着气压的降低而降低,因此降低压强可以使水在相对低的温度下沸腾,沸腾的水不断地使液态水转变为热水蒸汽,热的水蒸汽会在冷热交界面处冷凝成水雾,大量的水雾汇聚成水滴,大量的水滴汇集成水流。
为此,人们提出了一种利用上述原理将混合液中的水分去除的装置,即制备浓缩液的设备,将锅炉中产生的热蒸汽冷凝成液态水,再将水输送到特定容器中,从而使混合液中的水分降低,实现浓缩效果。当需要对锅炉内的浓缩液进行浓度检测时,通过采样单元的采样孔将锅炉内的溶液取出,借助透气通道来平衡活动杆两端的压力,实现活动杆的无阻力取样。取样之前,为了提高检测准确度,先将把柄快速转动,如图2所示,借助离心力的作用使残留在采样孔内的浓缩液被甩出,然后借助把柄上的方向标识,使取样孔朝上,浓缩液进入采样孔,之后拉出活动杆到拉出位置,通过检测笔检测采样孔内的浓缩液,或者转动活动杆,使采样孔朝下,采样孔内的浓缩液在重力作用下滴入器皿中。取样后,活动杆被推回到插入位置。为了提高下次检测的准确度,需要将把柄快速转动,借助离心力的作用使残留在采样孔内的浓缩液被甩出。
当需要对锅炉内的浓缩液进行浓度检测时,需要现将把柄快速转动,这个快速转动的行为难免有些不方便,增加了检测时的流程,耗时。
发明内容
本发明的目的在于解决上述问题,并提供一种低压低沸点制备浓缩液设备用的采样单元。
为此,本发明提供一种制备浓缩液用的采样单元,其包括基体、活动杆、限位销、取样腔、采样孔、轴套、等压腔,取样腔贯穿基体的上面和下面,等压腔为柱状盲孔,等压腔从基体的正面穿入且贯穿取样腔的正面和背面;轴套与等压腔过盈配合,活动杆与轴套密闭式滑动配合,限位销紧固于活动杆上,限位销与取样腔的正面或背面配合,基体内设置有透气通道,透气通道的首尾两端分别与等压腔和外界大气连通,其特征在于活动杆设置有更新通道,更新通道的首端延伸至活动杆的采样孔的底部,更新通道的末端朝远离把柄端延伸,且更新通道的末端延伸到活动杆的外柱面;当采样孔位于取样腔内时,更新通道的末端也位于取样腔内,取样腔内沸腾的浓缩液通过更新通道的末端进入更新通道,进而进入采样孔,或者沸腾的浓缩液从采样孔进入更新通道,再由更新通道的末端出去,因此锅炉内沸腾的浓缩液可以自由进出采样孔,所以采样孔内的浓缩液是实时更新的,采样孔的浓缩液的浓度与锅炉内的浓缩液的浓度是一致的。当采样孔位于轴套内且靠近轴套的正面时,更新通道的末端位于轴套内且靠近轴套的背面,即采样孔和更新通道的末端都位于轴套内,因此,采样孔和更新通道内的浓缩液被轴套密闭住,且与锅炉内的浓缩液隔绝。当采样孔位于基体外部时,更新通道的末端位于轴套内且靠近轴套的正面,由于更新通道的末端被轴套密闭住,所以采样孔内的浓缩液不会流失,仍被限制在采样孔内。
有利地,更新通道的末端位于采样孔的下方,且更新通道被构造成圆柱形。
有益效果
由于采样孔内的浓缩液是实时更新的,所以对锅炉内的溶液进行取样时,无需先将把柄快速转动。
当采样孔位于轴套内且靠近轴套的正面时,采样孔和更新通道的末端都位于轴套内,所以,采样孔和更新通道不会将锅炉内部和外界连通,使锅炉仍处于密闭状态。
当采样孔位于基体外部时,由于更新通道的末端位于轴套内,所以采样孔内的浓缩液被限制在采样孔内不会流失,方便检测笔检测。
附图说明
在下面参照附图对作为非限制性实施例给出的实施方式的说明中,本发明及其优越性将得到更好的理解,附图如下:
图1是本发明公开的采样单元运用于锅炉的立体图;
图2是采样单元的局部剖切立体图;
图3是采样单元的立体图,其中活动杆被拉出后旋转;
图4是采样单元的剖视图,剖切面为活动杆的轴线与采样孔的轴线所在的平面;
图5是图4的剖视图,其中活动杆介于拉出位置和插入位置之间;
图6是图4的剖视图,其中活动杆位于拉出位置;
图7是图5中Ⅱ处的局部放大图;
图8是图4中Ⅰ处的局部放大图;
图9是图6中Ⅲ处的局部放大图;
附图标记说明
1.更新通道;101.首端;102.末端;14.采样单元;1401.基体;1402.限位销;1403.活动杆;1404.采样孔;1405.取样腔;1406.把柄;1407.轴套;1408.透气通道;1409.等压腔。
具体实施方式
为了便于区分零件的正面和背面,将靠近把柄的面称之为正面,远离把柄的面称之为背面。
如图1所示,锅炉单元的侧壁靠近底部处设置有采样单元14,参照图2,采样单元14包括基体1401、活动杆1403、限位销1402、取样腔1405、采样孔1404、轴套1407、等压腔1409。
基体1401内设置有透气通道1408,透气通道1408的首尾两端分别与等压腔1409和外界大气连通,透气通道1408延伸到基体1401的正面,通过透气通道1408使等压腔1409的气压与外界气压一致,从而使活动杆1403活动更灵活,活动杆1403靠近基体1401正面设置有把柄1406,把柄1406的直径大于轴套1407的内径,采样单元14的取样腔1405位于锅炉内,把柄1406位于锅炉外。
如图2-3所示,取样腔1405贯穿基体1401的上面和下面,等压腔1409为柱状盲孔,从基体1401的正面穿入,贯穿取样腔1405的正面与背面,轴套1407与等压腔1409过盈配合,活动杆1403与轴套1407密闭式滑动配合,限位销1402紧固于活动杆1403上。
活动杆1403的把柄1406上设置有三角形箭头指示,基体1401的正面也设置有三角形的箭头指示,当二者的三角形箭头对应时,活动杆1403上设置的采样孔1404朝上。
如图4、8所示,更新通道1的首端101延伸至活动杆1403的采样孔1404的底部,更新通道1的末端102朝远离把柄1406端延伸,且更新通道1的末端102延伸到活动杆1403的外柱面。限位销1402与取样腔1405的背面配合时,活动杆1403处于插入位置,此时,采样孔1404位于取样腔1405内时,更新通道1的末端102也位于取样腔1405内,取样腔1405内沸腾的浓缩液通过更新通道1的末端102进入更新通道1,进而进入采样孔1404,或者沸腾的浓缩液从采样孔1404进入更新通道1,再由更新通道1的末端102出去,因此锅炉内沸腾的浓缩液可以自由进出采样孔1404,所以采样孔1404内的浓缩液是实时更新的,采样孔1404的浓缩液的浓度与锅炉内的浓缩液的浓度是一致的。
如图5、7所示,将活动杆1403往拉出位置移动,当采样孔1404位于轴套1407内且靠近轴套1407的正面时,更新通道1的末端102位于轴套1407内且靠近轴套1407的背面,即采样孔1404和更新通道1的末端102都位于轴套1407内,因此,采样孔1404和更新通道1内的浓缩液被轴套1407密闭住,且与锅炉内的浓缩液隔绝,即采样孔1404和更新通道1不会将锅炉内部和外界连通,使锅炉仍处于密闭状态。
如图6、9所示,将活动杆1403往外移动到拉出位置,此时,采样孔1404位于基体1401外部,更新通道1的末端102位于轴套1407内且靠近轴套1407的正面,由于更新通道1的末端102被轴套1407密闭住,所以采样孔1404内的浓缩液不会流失,仍被限制在采样孔1404内,此时,可以方便的用检测笔去检测采样孔1404内的浓缩液浓度,或者转动把柄1406,将采样孔1404内的浓缩液倒到器皿中。
有利地,更新通道1的末端102被设置在采样孔1404的下方有利于锅炉内的浓缩液进出更新通道1,沸腾的水分带动浓缩液从下层往上层移动,浓缩液被带到上层后又从上层落回底层。
有利地,将更新通道1构造成圆柱形有利于加工,可以才用钻削工艺方便地加工更新通道1,也可以采用电火花穿孔工艺方便地加工更新通道1。

Claims (2)

1.一种制备浓缩液用的采样单元(14),其包括基体(1401)、活动杆(1403)、限位销(1402)、取样腔(1405)、采样孔(1404)、轴套(1407)、等压腔(1409),取样腔(1405)贯穿基体(1401)的上面和下面,等压腔(1409)为柱状盲孔,等压腔(1409)从基体(1401)的正面穿入且贯穿取样腔(1405)的正面和背面;轴套(1407)与等压腔(1409)过盈配合,活动杆(1403)与轴套(1407)密闭式滑动配合,限位销(1402)紧固于活动杆(1403)上,限位销(1402)与取样腔(1405)的正面或背面配合,基体(1401)内设置有透气通道(1408),透气通道(1408)的首尾两端分别与等压腔(1409)和外界大气连通,其特征在于所述的活动杆(1403)设置有更新通道(1),更新通道(1)的首端(101)延伸至活动杆(1403)的采样孔(1404)的底部,更新通道(1)的末端(102)朝远离把柄(1406)端延伸,且更新通道(1)的末端(102)延伸到活动杆(1403)的外柱面;当采样孔(1404)位于取样腔(1405)内时,更新通道(1)的末端(102)也位于取样腔(1405)内;当采样孔(1404)位于轴套(1407)内且靠近轴套(1407)的正面时,更新通道(1)的末端(102)位于轴套(1407)内且靠近轴套(1407)的背面;当采样孔(1404)位于基体(1401)外部时,更新通道(1)的末端(102)位于轴套(1407)内且靠近轴套(1407)的正面。
2.根据权利要求1所述的一种制备浓缩液用的采样单元(14),其特征在于所述的更新通道(1)被设置为圆柱形。
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AU2015100500A AU2015100500A4 (en) 2014-11-30 2015-04-16 Sampling unit for concentrates preparation device
AU2015100501A AU2015100501A4 (en) 2014-11-30 2015-04-16 Design method for sampling unit for concentrates preparation device
IES20150260A IES86676B2 (en) 2014-11-30 2015-08-11 Sampling unit for concentrates preparation device
IE20150243A IE86849B1 (en) 2014-11-30 2015-08-11 Sampling unit for concentrates preparation device
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IE86849B1 (en) 2017-12-13
IES86676B2 (en) 2016-07-27
CN104324515A (zh) 2015-02-04
IE20150243A1 (en) 2016-06-01
AU2015100500A4 (en) 2015-05-21
AU2015100501A4 (en) 2015-05-21
GB2536757A (en) 2016-09-28
GB201520928D0 (en) 2016-01-13
GB2536757B (en) 2017-10-11

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