HCTC has a wide experience in cooling tower maintenance.

Drift Eliminators

• Mechanical /Chemical cleaning
• Prevention of legionnaire disease
• Efficiency increase
• Selection of most appropriate type (wave or cellular - pitch)

Heat Exchange Media

• Deep cleaning
• Partial or full replacement
• Efficiency increase
• Replacement of asbestos cement sheets with PP grids or plastic film fill
• Selection of most appropriate type depending on the water quality

Air Inlet Louvers

• Modification of design of existing tower for installation of louvers
• Addition of louvers or screens to prevent water loss and legionella

Noise Attenuation

• Baffles in air inlet/Outlet
• Slanted sheets in basin

Fan stacks

• Replacement of concrete or wooden stacks by FRP (Fibre Glass Reinforced Polyester)
• Addition of diffusers to reduce the energy consumption

Motor - Fan Set

• Overhauling of Motors and Gear Box
• Replacement of fan blades
• Adjustment of pitch angle
• Replacement of Lubrication Oil/Grease
• Replacement of steel transmission shafts with composite materials
• Installation of walkways above the drift eliminator to make access to the gear box safe and easier

Distribution

• Replacement of Sprayer Nozzle sets
• Design Modification to suit new flow requirement
• Refurbishment of existing distribution networks a distribution network

Structure

• Partial or complete replacement
• Reinforcement of Structure
• Replacement or repair of roof and casing

Periodic and Preventive Maintenance

All industries are constantly searching for improvement potentials in their process and production.

Through a range of tailor-made maintenance programmes, HCTC can help you to get the most from your system in order:

• To ensure its availability
• To prolong equipment service life, delaying new capital investment
• To reduce operating costs and ensure the optimum level of performance
• To reduce costly down time due to equipment failures
• To ensure a safe operating, environmental, and working conditions

HCTC customer service teams consist of specialized staff led by experienced managers with a solid technical background, who:

• Have the comprehension and experience to act as a reliable advisor at any stage of your project
• Have a clear understanding of the safety rules in all activity sectors (chemical, petrochemical, power plants...)
• Have an awareness of environmental concerns and challenges
• Have the capacity to work efficiently during shutdown programs