SPRAY DRYER CRACK TESTING & REPAIR

Spray Dryer Inspection & Crack Testing Services

Find cracks before they become contamination risks. Our electronic scanning detects visible and non-visible defects across 100% of your spray dryer, with no dyes or chemicals, and our welders repair them in the same shutdown.

  • ISO 9001 & SafeContractor
  • No dyes or chemicals
  • 100% surface coverage
  • Inspect + repair in 24–48 hrs*

*Extra time may be needed if extensive repairs are required.

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100%

surface coverage on every inspection

24–48 hrs

to inspect and repair a complete dryer
dyes or chemicals in your production zone

24/7

service, delivered worldwide
WHY IT MATTERS

Why Regular Spray Dryer Crack Inspection Matters

Every spray dryer will eventually develop cracks in its stainless-steel weld joints or sheet metal. Thermal cycling, mechanical stress, CIP and corrosion all take their toll. Regular crack testing finds these defects early, while they are small and simple to repair.

Protect product safety

Extend asset life

Avoid long shutdowns

Pass audits with confidence

INSPECTION SCOPE

What Our Spray Dryer Inspection Covers

We inspect the complete drying system, not just the chamber, so nothing is left unchecked before you restart production.

Components inspected

  • Drying chamber weld joints
  • Drying chamber sheet metal
  • Fluid bed upper compartment
  • Fluid bed lower compartment

Defects we detect

  • Cracks, visible and non-visible
  • Incomplete welds
  • Corrosion cavities
  • Porosity

Fluid beds are critical to the complete drying system, so we inspect and repair both compartments alongside the dryer. We also inspect cyclones and bag filters and silos and process tanks.

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OUR TECHNOLOGY

Chemical-Free Electronic Crack Detection

Our electromagnetic crack scanning technology inspects 100% of the dryer surface and finds defects that cannot be seen by eye. Because no dyes or chemicals are used, nothing is introduced into your food production zone.

Scan

Detect

Mark

Electronic scanning vs dye penetrant testing

BioScan electronic scanning

  • No dyes or chemicals in the dryer
  • Detects non-visible defects
  • 100% surface coverage
  • No chemical clean-up afterwards

Dye penetrant testing

  • Dyes, cleaners and developers
  • Surface-breaking defects only
  • Coverage depends on areas tested
  • Clean-up required before production
HOW IT WORKS

Our Spray Dryer Inspection Process

A complete inspection, including repairs, is usually finished within 24–48 hours, so you are quickly back in production.

1. Access setup

2. 100% surface scan

3. Repair & polishing

4. Re-inspection

5. Handover

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Access without scaffolding

  • Portable aluminium gantry, adjustable from 1.5m to 14m
  • Supports up to 475kg; tested annually and checked before every use
  • Two technicians work from each end, covering 180° each
  • IRATA-certified rope access for shafts and hard-to-reach areas

Explore our access methods →

REPAIR

Spray Dryer Crack Repair & Food-Grade Polishing

Finding cracks is only half the job. Our qualified welders repair every defect and polish it to food-grade standards during the same visit, so you don’t need a second shutdown.

  • Weld repairs and food-grade polishing on site
  • Option to use your own on-site or local welders
  • Every repair re-inspected, including the heat-affected zone
  • Fluid bed compartment repairs included

Case study: shutdown duration reduced through integrated repairs →

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INDUSTRIES

Industries We Serve

We inspect spray dryers for food and beverage manufacturers, where hygiene, audits and uptime matter most.

Bioscan Crack Testing

Dairy

Crack testing for dryers producing milk powders and other dairy ingredients.
Bioscan repair services

Food Ingredients & Additives

Chemical-free inspections for ingredient dryers, with no dyes in sensitive production areas.
Bioscan Inspections- Reporting & Certification

Beverage

Integrity inspections that keep shutdowns short and drying equipment clean.

Trusted by leading food and dairy producers

WHY BIOSCAN

Why Choose BioScan for Spray Dryer Inspection

The quickest, cleanest and safest way to check the integrity of your spray dryer.

No dyes or chemicals

100% surface coverage

Inspect and repair in one visit

Safety-certified teams

Service worldwide

Gantry rental or purchase

Recent Case Studies

Tank Inspection Following Asset Ageing Concerns V2 01

Tank Inspection Following Asset Ageing Concerns

Context Twenty years of continuous operation is a long time to ask any piece of...
Eng Shutdown Duration Reduced Through Integrated Repairs 01

Shutdown Duration Reduced Through Integrated Repairs

Context Every year, this dairy manufacturer entered their annual shutdown with the same setup: one...
Eng Hidden Corrosion Behind Product Build Up 01

Hidden Corrosion Behind Product Build-Up

Context A food ingredient manufacturer had been reporting unexplained product staining and occasional contamination concerns...
FAQS

Spray Dryer Inspection FAQs

How often should spray dryers be inspected?

We recommend inspecting your spray dryer at least once a year. In one case, a client waited five years between inspections and many defects were found, leading to higher repair costs and risk.

Why is regular spray dryer inspection important?

Thermal cycles, mechanical stress, CIP and corrosion gradually cause cracks and weld defects. Left undetected, these can lead to unplanned downtime, costly repairs, product quality issues and recalls.

What inspection technology does BioScan use?

We use electronic, non-destructive crack scanning technology that detects visible and non-visible defects, including cracks, incomplete welds, corrosion cavities and porosity, without any dyes or chemicals.

How is electronic testing different from dye penetrant testing?

Our electronic scanning covers 100% of the surface, detects non-visible defects and introduces no dyes or chemicals into your dryer, making it a cleaner inspection method for food production environments.

How long does a spray dryer inspection take?

A complete inspection, including repairs, can usually be carried out within 24–48 hours. Extra time may be needed if extensive repairs are required.

Does BioScan repair cracks during the inspection?

Yes. Our qualified welders carry out repairs and food-grade polishing during the project, and every repaired area is re-inspected. You can also use your own on-site or local welders.

Is scaffolding required?

No. We use our bespoke gantry platform, rope access, ladders or a combination, so no scaffolding is needed.

Which access method will you use?

It depends on the construction of your spray dryer. Our technicians select the right method, or a combination, to inspect the full surface safely and efficiently.

Do you inspect fluid beds, cyclones and bag filters?

Yes. We inspect and repair the upper and lower compartments of fluid beds, and also offer cyclone, bag filter, silo and tank inspections.

Do you provide spray dryer inspections outside the UK?

Yes. We ship our access equipment directly to your plant and fly our technicians to your site.

Can we rent or buy the access gantry?

Yes. You can rent or purchase our gantry as part of an inspection contract, store it locally and move it between your factories. Our technicians then travel directly to your sites.

GET IN TOUCH

Talk to a Spray Dryer Inspection Specialist

Share your dryer details and shutdown dates, and our team will come back with a quote.