fusible caps 是什么? should be a pressure relief device 爆破片 从下面的描述可以看出,是储罐的第二级超压泄放,用于泄放量大时的火灾或翻滚工况. "every tank compartment must have one or more safety relief devices that limit the internal pressures of the tank to 130% of the tank's design pressure. an mc307 specification trailer employs two main devices to enable the tank to automatically adjust the internal pressures of the tank vessel. the first is a pressure-actuated venting device that is set to open at no less than the tank design pressure. second is a fusible cap. a three-inch fusible cap supplements the vent and is only needed when the tank vessel is under a considerable amount of pressure in a very short period of time as would occur in a fire or an overturn situation. turning to a brief discussion on fusible caps, girard said they are typically a nut and disc joined together with a fusible element."查看更多
请教几个工厂里常用的水Process water ，Utility water ...？ 除盐水（desalted water），是指利用各种水处理工艺，除去悬浮物、胶体和无机的阳离子、阴离子等水中杂质后，所得到的成品水。除盐水并不意味着水中盐类被全部去除干净，由于技术方面的原因以及制水成本上的考虑，根据不同用途，允许除盐水含有微量杂质。除盐水中杂质越少，水纯度越高。 软化水:经软化处理后的水，即除去了部分或全部钙、镁离子的水。 一个是只去除了钙镁 一个是基本上都去掉了查看更多
第1天
关注盖德视界
添加小助手
