TECHNICAL | SLURRY TREATMENT
Disassembly
The first stage of the refurbishment process involves meticulously dismantling the components, ensuring that each part is correctly labeled and documented. This procedure necessitates a keen eye for detail and exactness to prevent any harm throughout the disassembly.
Cleaning Once disassembled, it is necessary to thoroughly clean all items. This step involves removing any slurry residues, debris, or contaminants that may have accumulated over time during past projects. Proper cleaning ensures a good start for the refurbishment process and allows the next step.
Evaluation Process/Inspection After cleaning, an evaluation and careful inspection of each component is conducted to determine its condition, identify any wear and tear or even damage, and assess if any components require repair or replacement.
Reconditioning In this stage, any necessary repairs or replacements are made to components of the plant. This includes replacing worn parts and upgrading elements to improve the longevity and performance of the plant.
Workshop Re-assembly Once all necessary repairs and replacements have been completed, the components are reassembled with careful attention to detail to ensure the correct alignment, setting and secure fastening of all components.
Final Test and Quality Check The final stage entails performing a thorough examination and quality assurance evaluation of the renovated machinery. This encompasses confirming the operation of all constituent parts, testing the system in simulated operating situations, and verifying it adheres to the necessary performance benchmarks. At Herrenknecht, a full workshop assembly with water test-run and workshop acceptance for the main equipment is elementary to fulfill the requirements and expectations of our customers.
WHEN IS IT NEEDED? STPs are often subjected to harsh operating conditions, leading to the deterioration of equipment and processes. Aging infrastructure can result in leaks, corrosion,
and reduced performance. Refurbishment helps address these issues by replacing or repairing damaged components, ensuring the plant operates again at its full potential. Secondly, regulatory standards for STPs are
Top: Refurbishment, Screen machine after sandblasting and painting Centre: Workshop assembly of modules of a Separation Plant Above: Cyclone feed pump unit after refurbishment
34 | November 2023
continuously evolving, like for TBMs, to promote environmental sustainability and safety. Refurbishment allows plant owners to upgrade their facilities to meet
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