Today, PPH storage tank It is widely used, and its use characteristics and advantages have been recognized by everyone. For better application in the future, let's take a look at the maintenance methods of PPH storage tank quality.

PPH storage tank generally has two maintenance cycles, namely medium maintenance and major maintenance. The maintenance period of PPH storage tank is 60-120 days, mainly to solve the problems of running, emitting, dripping and leaking, or replace the liquid level gauge, repair or replace the inlet, outlet and drain valves to remove the cooling water coil. Check and repair the safety valve to exhaust the flame arrester, and repair the anti-corrosion layer and insulation layer.

The overhaul period of PPH storage tank is 12 months, including the repair of the internal parts of the storage tank in the medium repair project, and the repair or replacement of the cylinder corresponding to the cracked and serious parts. It can be repaired with polymer composite materials. According to the internal and external inspection requirements, leakage test or hydraulic test shall be conducted after the cylinder section is repaired or replaced. Thoroughly remove embroidery and heat preservation. Deal with other problems found during internal and external inspection of the tank.

PPH winding tank Maintenance methods and tank maintenance with quality standards, such as opening, repair welding, cylinder section replacement, etc., shall be implemented according to their relevant standards, and specific construction plans shall be formulated and approved by the competent department. Technical responsibility of the unit. The base metal, welding rod, welding wire, flux, valve, etc. for repair shall be provided with quality certificate. When using used material valves and fasteners, they must pass the inspection before use. The fasteners for assembling the storage tank shall be coated with lubricating materials, and the bolts shall be tightened diagonally in sequence. Generally, non-metallic gaskets are not allowed to be reused. When selecting gaskets, the corrosiveness of the medium shall be considered. After maintenance and inspection, anti-corrosion and thermal insulation can be carried out.

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