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不锈钢反应釜安装时的注意点

发布时间:2020-12-09 10:20:17      点击:

不锈钢反应釜的外层和蒸汽管都用石棉或其它不易换热的材料作保温层包裹,既减少了能耗,又避免烫伤操作人员。罐体和罐盖之间要有垫圈密封,安装搅拌器时应注意罐盖密封。

常温不锈钢反应釜常用的是搪瓷釜,即釜内壁上涂有耐酸碱搪瓷,具有玻璃化学稳定性和钢制容器承压性能。内衬釉是以硅石为主体加上多种其它元素组成的釉料,经过多次喷涂、烧结,涂覆于金属基体表面的一种瓷釉.它可以抵抗各种浓度的有机酸、无机酸、有机溶剂、弱碱等介质的腐蚀,但氢氟酸、强碱除外。

在不锈钢反应釜中,负压在1O1kPa以下。卡套底部有一个孔,可以接冷水管,也可以排出卡套内多余蒸汽和冷却水。夹套上部有1-2个气孔,接上汽管,排出冷却水,既能充分利用热量,又能带走反应释放的热量,避免反应液温度过高,从而能有效控制放热反应。在椭圆的底部只有一个出口。球顶盖上有加料口或人孔(大罐中开有人口孔)、观察孔、采样孔、冷却回流装置口、温度测定装置口、搅拌器安装孔。

The outer layer and steam pipe of the stainless steel reactor are covered with asbestos or other materials that are not easy to exchange heat as an insulation layer, which not only reduces energy consumption, but also avoids scalding the operators. There should be a gasket seal between the tank body and the tank cover, and the tank cover should be sealed when installing the stirrer.

Normal temperature stainless steel reaction kettle is commonly used enamel kettle, that is, the inner wall of the kettle is coated with acid and alkali resistant enamel, which has glass chemical stability and pressure-bearing performance of steel containers. The lining glaze is a kind of glaze composed of silica as the main body and a variety of other elements. After multiple spraying and sintering, it is a kind of enamel coated on the surface of the metal substrate. It can resist various concentrations of organic acid, inorganic acid, Corrosion of organic solvents, weak alkalis and other media, except hydrofluoric acid and strong alkalis.

In the stainless steel reactor, the negative pressure is below 1O1kPa. There is a hole at the bottom of the ferrule, which can be connected to the cold water pipe and can also discharge the excess steam and cooling water in the ferrule. There are 1-2 air holes in the upper part of the jacket, connected to the steam pipe to discharge the cooling water, which can not only make full use of the heat, but also take away the heat released by the reaction, avoid the temperature of the reaction liquid from being too high, and thus can effectively control the exothermic reaction. There is only one exit at the bottom of the ellipse. The dome cover is provided with a feeding port or a manhole (a population hole is opened in a large tank), an observation hole, a sampling hole, a cooling reflux device port, a temperature measuring device port, and a stirrer installation hole.

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