CN113324169A - 一种氦气液化机无损杜瓦罐液氦充装工艺 - Google Patents
一种氦气液化机无损杜瓦罐液氦充装工艺 Download PDFInfo
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Abstract
本发明公开了一种氦气液化机无损杜瓦罐液氦充装工艺,包括以下步骤:步骤S1,组装液氦充装工站,装配氦气液化机,配备杜瓦罐,氦气液化机通过不锈钢真空软管与杜瓦罐连接,步骤S2,配备自动控制系统,杜瓦罐内部装配压力检测传感器,杜瓦罐上设置泄压阀,压力检测传感器外接有警报装置及急停控制器;步骤S3,设置远程监控系统,装配多个监控摄像头,同时在充装车间内设置氧气浓度报警仪及声光报警仪,步骤S4,检测不锈钢真空软管与杜瓦罐的连接气密性,同时检测不锈钢真空软管与氦气液化机的连接气密性,并且接口处采用金属缠绕垫以及高强螺栓组合安装;步骤S5,检测管件系统,通过温度检测器以及压力表检测杜瓦罐在液氦充装过程中有无异常。
Description
技术领域
本发明涉及液氦充装工艺技术领域,具体为一种氦气液化机无损杜瓦罐液氦充装工艺。
背景技术
工业气体具有固有的物理和化学特性,因此在国民经济中占有举足轻重的地位,推广应用速度非常快,几乎渗透到各行各业,氦的应用领域十分广泛,氦气可以用在光纤制造等的光通信行业,焊接,色谱用的分析行业,深海潜水,半导体,液晶制造等的保护气,原子炉等,液氦还可以用在MRI、NMR,磁悬浮、电磁推进船、超导送电,极低温物理研究等,作为一种优良的超导与冷却介质,超高纯液氦在工业以及航空航天等领域中的应用相当广泛,液氦充装站的主要工艺流程为从压力10PSI以下的液氦罐箱的液相取液,通过不锈钢真空软管充装到杜瓦瓶中,杜瓦充装时放空阀打开,回收气相气体,但现有的氦气液化机在进行液氦充装时容易对杜瓦瓶造成损伤,工作人员需经常更换或维修杜瓦瓶,从而影响液氦充装的工作效率。
发明内容
为了克服现有技术方案的不足,本发明提供一种氦气液化机无损杜瓦罐液氦充装工艺。
本发明解决其技术问题所采用的技术方案是:一种氦气液化机无损杜瓦罐液氦充装工艺,包括以下步骤:
步骤S1,组装液氦充装工站,装配氦气液化机,配备杜瓦罐以及多个备用杜瓦罐,所述氦气液化机通过不锈钢真空软管与杜瓦罐连接,杜瓦罐内部由不锈钢组成,外部为碳钢,且中间的环空由珍珠岩填充进行隔热;
步骤S2,配备自动控制系统,在杜瓦罐内部装配压力检测传感器,同时在杜瓦罐上设置泄压阀,压力检测传感器与泄压阀控制连接,并且压力检测传感器还外接有警报装置以及与氦气液化机控制连接的急停控制器;
步骤S3,设置远程监控系统,装配多个监控摄像头,同时在充装车间内设置氧气浓度报警仪以及声光报警仪,在氧气浓度或光线强度低于正常值时,发出警报声;
步骤S4,检测接口气密性,检测不锈钢真空软管与杜瓦罐的连接气密性,同时检测不锈钢真空软管与氦气液化机的连接气密性,并且接口处采用金属缠绕垫以及高强螺栓组合安装;
步骤S5,检测管件系统,通过温度检测器以及压力表检测杜瓦罐在液氦充装过程中有无发生温度异常与泄露问题。
优选地,步骤S1中不锈钢真空软管的温度设计在负268度至负270度的范围之间,同时不锈钢真空软管与杜瓦罐的连接处设置安全阀,并且不锈钢真空软管上配备有压力表以及检测不锈钢真空软管温度的温度检测器。
优选地,步骤S2中杜瓦罐内部压力超出预设值时,泄压阀自行开启并进行泄压,同时氦气液化机停止工作,并且警报装置工作。
优选地,步骤S2中杜瓦罐泄压阀的位置处设有防爆膜。
优选地,所述不锈钢真空软管装配有流量计。
与现有技术相比,本发明的有益效果是:
设置机械强度高的杜瓦罐并使其具备良好的抗压性能以及隔热性能,在氦气液化机对杜瓦罐进行液氦充装过程中,杜瓦罐可适应预设值的压力强度,进而通过杜瓦罐的强度实现无损充装;
配备自动控制系统,另外杜瓦罐泄压阀的位置处设有防爆膜,杜瓦罐内部压力超出预设值时,泄压阀自行开启并进行泄压,同时氦气液化机停止工作,并且警报装置工作,通过该控制系统缓解杜瓦罐的内部压力,避免杜瓦罐因内部压力过大而造成不必要的损伤;
在氧气浓度或光线强度低于正常值时,发出警报声,便于工作人员监测杜瓦罐的充装状态,降低工作人员的危险度,同时能更直观的观察或查找杜瓦罐的泄露位置以及受损位置,便于维修;
在进行液氦充装之前对接口以及管件提前检测是否异常,可有效避免造成损失,同时对杜瓦罐进行有效的保护,使其能够正常工作。
附图说明
图1为本发明的流程图;
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
如图1所示,本发明提供了一种氦气液化机无损杜瓦罐液氦充装工艺,包括以下步骤:
组装液氦充装工站,装配氦气液化机,配备杜瓦罐以及多个备用杜瓦罐,所述氦气液化机通过不锈钢真空软管与杜瓦罐连接,杜瓦罐内部由不锈钢组成,外部为碳钢,且中间的环空由珍珠岩填充进行隔热;
配备自动控制系统,在杜瓦罐内部装配压力检测传感器,同时在杜瓦罐上设置泄压阀,压力检测传感器与泄压阀控制连接,并且压力检测传感器还外接有警报装置以及与氦气液化机控制连接的急停控制器;
设置远程监控系统,装配多个监控摄像头,同时在充装车间内设置氧气浓度报警仪以及声光报警仪,若杜瓦罐或不锈钢真空软管发生泄露时,导致充装车间的氧气浓度降低,并且液氦气化时所产生的雾气充满充装车间而导致光线降低,因此在氧气浓度或光线强度低于正常值时,发出警报声。
检测接口气密性,检测不锈钢真空软管与杜瓦罐的连接气密性,同时检测不锈钢真空软管与氦气液化机的连接气密性,并且接口处采用金属缠绕垫以及高强螺栓组合安装;
检测管件系统,通过温度检测器以及压力表检测杜瓦罐在液氦充装过程中有无发生温度异常与泄露问题。
步骤S1中不锈钢真空软管的温度设计在负268度至负270度的范围之间,同时不锈钢真空软管与杜瓦罐的连接处设置安全阀,并且不锈钢真空软管上配备有压力表以及检测不锈钢真空软管温度的温度检测器。
步骤S2中杜瓦罐内部压力超出预设值时,泄压阀自行开启并进行泄压,同时氦气液化机停止工作,并且警报装置工作。
步骤S2中杜瓦罐泄压阀的位置处设有防爆膜,当杜瓦罐内部压力超过一定限度时,防爆膜被冲破,从而降低杜瓦罐的内部压力,避免其发生爆炸。
所述不锈钢真空软管装配有流量计,通过流量计对液氦的通过量进行检测,在达到预设值时,氦气液化机不再往杜瓦罐进行充氦,避免杜瓦罐因储存量而导致内部压力升高进而发生破损。
设置机械强度高的杜瓦罐并使其具备良好的抗压性能以及隔热性能,在氦气液化机对杜瓦罐进行液氦充装过程中,杜瓦罐可适应预设值的压力强度,进而通过杜瓦罐的强度实现无损充装;
配备自动控制系统,另外杜瓦罐泄压阀的位置处设有防爆膜,杜瓦罐内部压力超出预设值时,泄压阀自行开启并进行泄压,同时氦气液化机停止工作,并且警报装置工作,通过该控制系统缓解杜瓦罐的内部压力,避免杜瓦罐因内部压力过大而造成不必要的损伤;
在氧气浓度或光线强度低于正常值时,发出警报声,便于工作人员监测杜瓦罐的充装状态,降低工作人员的危险度,同时能更直观的观察或查找杜瓦罐的泄露位置以及受损位置,便于维修;
在进行液氦充装之前对接口以及管件提前检测是否异常,可有效避免造成损失,同时对杜瓦罐进行有效的保护,使其能够正常工作。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
Claims (5)
1.一种氦气液化机无损杜瓦罐液氦充装工艺,其特征在于,包括以下步骤:
步骤S1,组装液氦充装工站,装配氦气液化机,配备杜瓦罐以及多个备用杜瓦罐,所述氦气液化机通过不锈钢真空软管与杜瓦罐连接,杜瓦罐内部由不锈钢组成,外部为碳钢,且中间的环空由珍珠岩填充进行隔热;
步骤S2,配备自动控制系统,在杜瓦罐内部装配压力检测传感器,同时在杜瓦罐上设置泄压阀,压力检测传感器与泄压阀控制连接,并且压力检测传感器还外接有警报装置以及与氦气液化机控制连接的急停控制器;
步骤S3,设置远程监控系统,装配多个监控摄像头,同时在充装车间内设置氧气浓度报警仪以及声光报警仪,在氧气浓度或光线强度低于正常值时,发出警报声;
步骤S4,检测接口气密性,检测不锈钢真空软管与杜瓦罐的连接气密性,同时检测不锈钢真空软管与氦气液化机的连接气密性,并且接口处采用金属缠绕垫以及高强螺栓组合安装;
步骤S5,检测管件系统,通过温度检测器以及压力表检测杜瓦罐在液氦充装过程中有无发生温度异常与泄露问题。
2.根据权利要求1所述的一种氦气液化机无损杜瓦罐液氦充装工艺,其特征在于,步骤S1中不锈钢真空软管的温度设计在负268度至负270度的范围之间,同时不锈钢真空软管与杜瓦罐的连接处设置安全阀,并且不锈钢真空软管上配备有压力表以及检测不锈钢真空软管温度的温度检测器。
3.根据权利要求1所述的一种氦气液化机无损杜瓦罐液氦充装工艺,其特征在于,步骤S2中杜瓦罐内部压力超出预设值时,泄压阀自行开启并进行泄压,同时氦气液化机停止工作,并且警报装置工作。
4.根据权利要求1所述的一种氦气液化机无损杜瓦罐液氦充装工艺,其特征在于,步骤S2中杜瓦罐泄压阀的位置处设有防爆膜。
5.根据权利要求1所述的一种氦气液化机无损杜瓦罐液氦充装工艺,其特征在于,所述不锈钢真空软管装配有流量计。
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