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Glass lined thermowell

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Thermometer sleeve for glass-lined reactor is the stress concentration point.

As the volume of the glass-lined reactor vessel increases, the length of the sleeve increases. The length of the inserted material and the area of contact with the material will be greatly strengthened. The strength of the neck of the casing.

Due to the different material flow patterns produced by the stirrer in the glass-lined reactor, the viscosity and the weight of the liquid are different, the bending moment sheet caused by the glass-lined thermometer casing is different, and it is difficult to calculate with a single formula. At present, the recommended pipe thickness in the glass-lined equipment general parts catalogue can only be used for paddle glass-lined stirrers, anchor glass-lined stirrers, frame glass-lined stirrers and impeller-type glass lined stirrers within 5000L in principle. Glass stirrer.

For thermometer sleeves equipped with glass-lined reactor stirring vessels larger than 5000L, especially flat tubes or plate sleeves, the liquid blocking area is large and the bending moment is large. It is recommended to weld a thick-walled short tube with a length of 200mm~300mm under the upper flange of the glass-lined casing, and the fillet weld with the glass-lined thermometer casing flange must be full, and the transition arc radius R=10mm to ensure the thermometer casing The mechanical strength of the upper neck of the tube in use.