Enameled reactor bottom valve
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How to choose the right bottom valve for an enamel glass reactor? Due to the low-temperature crystallization of the materials, it is necessary to raise the temperature using the reactor’s jacket. However, the automatic on/off ball valves currently in use tend to experience blockages caused by crystallization at low temperatures, as material accumulates between the flange and the ball. Are there any suitable valves that can prevent this phenomenon, with good sealing properties and a low failure rate?
This post was last edited by Anti-corrosion Machinery 0 on 2018-1-29 09:17. Fluorinated insulation discharge valve to reduce crystallization
No, the material is in liquid form at high temperatures, but it turns into a solid state when the temperature drops to a certain level, thereby blocking the valve
Can’t we use an enamel-coated rising valve? I’m using an upward-opening valve here; the material is a solid-liquid mixture, and it works well (it isn’t switched on and off frequently). Hope this helps you
Upward-opening discharge valves are not suitable for applications with solids. Our company manufactures glass-lined upward-opening discharge valves; however, for such conditions, it is recommended to use fluorinated lining discharge valves
The upper control valve has a too high failure rate; it tends to not close properly. The fluorine-lined ball valve has a short-circuit section where material tends to accumulate
No, even if there is material stored, only a small amount will be there. The opening of the discharge valve isn’t flat; instead, it’s recessed toward the center
Valves with fluorine-lined interiors are not suitable for use in my company; solid-liquid materials have a strong abrasive effect on fluorine, which can cause the valves to break down easily, so they are not as reliable as those with enamel lining
Valves with jacket insulation – for the project we just started, the melting point of the materials is 140°C, so we use jacketed tubes and jacketed valves
It’s the valve for the insulation jacket; I just don’t know what the temperature required to prevent crystallization is