Issues with the maintenance of enamel-lined reactors
Thread Content
There is an enamel-lined reactor under repair; the substrate of its head is severely deformed. I would like to ask for an analysis of the reasons for this deformation. Could it be due to local deformation caused by the firing brackets or tools on the surface of the equipment? How can this be controlled? Such conditions are certainly not acceptable
There are various possible reasons for the deformation of the head substrate in enamel-lined reactors; one possibility is that factors such as prolonged exposure to high temperatures during use or frequent thermal expansion and contraction contribute to this issue. It is also possible that the bond between the enamel layer and the substrate is not strong enough, resulting in localized deformation. Furthermore, if the device’s surface brackets or attachments rub against the enamel tank, it may also cause local deformation. To control local deformation, the following approaches can be taken: 1. During the use of the enamel-lined tank, it is necessary to strictly control the temperature and pressure inside the tank, in order to prevent excessive temperatures or pressures from causing damage to the enamel lining. 2. When selecting an enamel-lined tank, it is necessary to choose products of good quality and stable performance. Inspections should be carried out before installation and use to ensure a strong bond between the enamel layer and the substrate. 3. During the operation of the equipment, it is necessary to place the brackets and tools at a sufficient distance from the surface of the enamel tank, to prevent the tools and brackets from rubbing against the tank and causing it to deform. In short, attention to detail is necessary for the operation and maintenance of any equipment to ensure its stable performance over a long period of time. If local deformation has occurred, it is recommended to carry out repair or replacement as soon as possible. .
When the thickness is sufficient to withstand pure internal pressure, it is necessary to check whether the head thickness meets the requirements specified in GB/T150 for elliptical (disc) heads regarding the thickness needed to prevent elastic instability under internal pressure.
The operating temperature is 70°C and the operating pressure is 1 bar. This deformation was caused by repainting the enamel at the factory; I would like to ask what led to this deformation
Is this deformation of the inner container or of the jacket?