The utility model discloses a porcelain
glaze protection device for a sealing surface of a glass-lined
pipe orifice
flange, and relates to the technical field of
fine chemical engineering. The utility model relates to a porcelain
glaze protection device for a
flange sealing surface of a glass-lined
pipe orifice, which comprises a glass-lined equipment
pipe orifice, and further comprises a
polytetrafluoroethylene sleeve with an L-shaped upper end part, an L-shaped lower end part inserted into the glass-lined equipment pipe orifice, and an upper end part of the
polytetrafluoroethylene sleeve wraps the upper end part of the glass-lined equipment pipe orifice; according to the utility model, through the wrapping of the
polytetrafluoroethylene sleeve and the positioning and fixing of the tension spring and the L-shaped limiting plate, the protection device can be stably arranged on the pipe orifice of the glass lining equipment, so that the
ceramic glaze of a sealing surface is effectively protected, and the material characteristics of the polytetrafluoroethylene sleeve are utilized, so that the
corrosion of
corrosion factors such as
acid gas to the pipe orifice can be prevented, and the service life of the glass lining equipment is prolonged. The stress can be dispersed to a certain extent, the damage of porcelain glaze on a sealing surface caused by
corrosion and
stress concentration is reduced, the failure frequency of equipment is reduced, and the service life of the equipment is prolonged.