Welding Inspection in Water Treatment Plants

12 January 2018

A properly utilized water treatment plant processes large volumes of this life-giving resource. Regardless of endeavour, the purification mechanisms work ceaselessly. They refine the water for consumption, perform as crucial platforms in recycling facilities, and generally manage large hydronic assets. A welding inspection here is a critically important service, but why does this facility receive top billing? To answer that question, consider the segregated architecture that rules this place.

Water Segregation Inspections 

The goal in a water treatment plant is to send a questionable volume of water into a filtration or conditioning system. Then, at the outlet end, clean drinking water flows. Numerous mechanisms are engaged while the watery surge is gushing. And here’s the principal point, the kernel of truth that drives the welding inspection program, every one of those specially housed stages must be sealed. Otherwise, the contaminated fluid cannot conclusively be pronounced clean. The health and safety guidelines and expensive equipment may all be in place, but a substandard weld is all it takes to undermine the entire process.

Welding Inspections: Serving Water Treatment Plants 

At heart, this is an example of flow control mechanics. Paired with microfiltration assemblies, ultraviolet treatment stations, and reverse osmosis gear, the fluid surge puts pressure on the pipes, fittings, and containment solutions that are in use in this watery environment. Even if every fastener and pipe coupling is connected correctly, there’s the question of fused joint integrity to consider. Besides, this is a corrosive system, a place where material oxidation prospers. Non-destructive inspection techniques act as a comprehensive seal safeguard here. Conducted exhaustively, the weld inspection program also assures structural cohesion, even when the flow is creating a strong surge.

Suggesting System Vulnerabilities 

Large welded steel pipes curve and arch as they approach a water treatment plant. There are aeration stages here, places that practically promote material oxidation. Weld seam or weld flange, fillets or plugs, any of these fused groups can be submerged at a moment’s notice. As that immersed assembly is continually wetted then dried, the welds experience distress. Happily, a welding inspection checks every potential chink in this fused armour. Assessed, identified, and addressed, a substandard material joint won’t go unnoticed, not if the inspector is part of an expert engineering team.

Take one last look around the facility. This is a fairly inhospitable site. Steel pipe segments and alloy-reinforced fluid waterways guide dirty water into a complex processing network. The surge mechanically and chemically tortures the welds and fasteners that bind the structure in place, so the core segregated design is placed in jeopardy. Weld inspections in water treatment plants quickly curtail this threat.

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