Tang Lian Chemistry


How to maintain the enamel reactor during its standstill

Regular inspection and maintenance of enamel reactor containers for normal use will definitely not be forgotten. However, in the face of long-term or temporary shutdown of containers, maintenance should also be strengthened. Many examples have shown that some containers neglect maintenance during downtime and result in future accidents. So what should be done for such pressure vessels? You can start with the following four items.
① Containers that have stopped running should have their internal media drained clean. Especially corrosive media, they need to undergo technical treatment such as discharge, replacement, and cleaning. Pay attention to preventing corrosive media from accumulating in the “dead corners” of the container.
② Regularly keep the enamel reactor container dry and clean to prevent atmospheric corrosion. Experiments have shown that dry air generally does not corrode iron alloys such as carbon steel. Corrosion only begins when the relative humidity exceeds 60% and there is dust, dirt, or old corrosion products on the metal surface.

③ In order to reduce atmospheric corrosion on the outer surface of deactivated containers, the surface of the container should be kept clean, and the dust, ash, and other dirt scattered on it should be regularly wiped clean, and the container and surrounding environment should be kept dry. Long term moisture not only exacerbates the corrosion of the container, but also causes the existing defects inside the container to continue to expand.
④ To maintain the integrity and undamaged anti-corrosion oil reading on the outer surface of the enamel reactor vessel. This is particularly important for deactivating containers. When it is found that the paint is peeling or sharp, it should be promptly removed.

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