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Refractory Removal

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What Is Refractory Removal?

A refractory lining, typically made from alumina and silica, is installed into the inside of vessels exposed to high temperatures such as furnaces, boilers and incinerators. This lining not only acts as an insulator, but also protects the outer steel structure of the vessel from damage. Over time, this lining wears away and needs to be removed and replaced.

At Hydroblast, we use high-pressure water jetting equipment to remove worn refractory lining efficiently and effectively, saving businesses time and money.

Why Is Refractory Removal Necessary?

Heat and electricity is produced through Energy-from-Waste Plants (EfW) through combustion. From the intense heat which is required for the combustion process, the fire wears away the ‘fire brick’ or refractory lining. Refractory removal is essential for inspection, repair, maintenance and replacement.

There are a few techniques which can be used for refractory removal including pneumatic breakers and high-pressure water jetting which we will discuss more below.

Why use Ultra High-Pressure Water Jetting for Refractory Removal?

At Hydroblast, we use a range of ultra high-pressure water jetting equipment and for this task we chose to use our Aqua Cutter 410 Robot. There are many benefits to using high pressure water jetting equipment such as the Aqua Cutter Robot as opposed to pneumatic breakers including:

  • More efficient with less down-time for maintenance work
  • Easy to position in harder to reach locations making it perfect for this task as the location was on the ceiling
  • Small and light whilst remaining powerful and agile
  • The Aqua Cutter has a power control module or PCM which means the robot can be controlled wirelessly permitting the operators to work at a safe distance
  • The Aqua Cutter also comes fitted with an equal distance system (EDS) which keeps a preset distance between the nozzle and surface, this technique reduces wasted energy and keeps the water jetting at a consistent and powerful speed

Refractory removal using ultra high-pressure water jetting equipment such as the Aqua Cutter 410 robot can be up to 10 times faster than traditional refractory removal techniques. Using high-pressure water jetting for refractory removal is a safer, more efficient and cost-effect solution.

Get in Touch...

If you would like to find out more about our refractory removal services or request a quote on a task then don’t hesitate to contact us. Call us on 01677 428 786, email us at or fill out our contact form.