How do you clean a water cooling tower?

Cooling tower water that’s dirty can clog fill media and foul tubes in your chiller.

  1. Turn off the cooling tower fans!
  2. Inspect Cooling Tower For Problem Areas.
  3. Protect Yourself With Safety Gear.
  4. Spray Cooling Tower For Mold.
  5. Vacuum Out Sludge From Basin.
  6. Fill Tower Water Level.
  7. Clean Cooling Tower Fill Media.

How often should a cooling tower be cleaned?

twice a year
OSHA recommends that cooling towers be cleaned and disinfected at least twice a year. More frequent cleaning and disinfection may be required if inspections show visible microbiological growth or an excessive buildup of debris, or as a remedial measure in response to positive Legionella or bacteria test results.

How do you disinfect a cooling tower?

Cooling towers can be disinfected “online” or “offline.” The online procedure involves only chemical disinfection while the cooling tower is operating. The offline procedure involves shutting the cooling tower down and scrubbing it physically in addition to disinfecting it with chemicals.

Which chemical is used for cleaning cooling tower?

Chlorine dioxide – This chemical can be used as a disinfectant to destroy microorganisms and prevent recurring growth.

How do you maintain a cooling tower?

Cooling towers must be strictly maintained for several reasons.

  1. Remove Scale Deposits. Because cooling towers work using evaporation, there is a build-up of scale deposits, which has to be removed regularly.
  2. Keep Air Flow Running.
  3. Keep the Tubes Clean.
  4. Inspect Your Water Pump.
  5. Treat Your Water.

How much does it cost to clean a cooling tower?

Costs for Cooling Tower Cleaning and Disinfection Typically cooling tower cleaning packages will cost you somewhere between $5,000 – $15,000. Costs can fluctuate based on: Amount of remediation necessary. Size and complexity of systems.

How do you prevent Legionella in a cooling tower?

Operate cooling tower systems at the lowest possible water temperature, and below the most favorable Legionella growth range (77–113°F, 25–45°C), if possible. Automate anti-corrosion, anti-scale, and disinfectant addition and monitoring. Monitor water parameters, like disinfectant residual and pH, on a regular basis.

What is the pH of cooling tower water?

between 6.5 and 7.5
If you have doubts about the proper pH levels for your tower water, ask your water treatment company for recommendations. A pH between 6.5 and 7.5 is generally considered the ideal range for reducing scale formation, though some non-acid treatments for scale prevention can increase the cooling tower pH range up to 8.5.

How do you remove scaling from a cooling tower?

Hydrochloric Acid. Also known as aqueous hydrogen chloride or muriatic acid, hydrochloric acid is a traditional, effective approach for cleaning scale from water-cooled condensers and cooling towers. When water is heated or evaporated, scale often is left behind.

What is the preventive maintenance of cooling tower?

Cooling towers must ensure that circulating water is clean to prevent bacteria growth, which can cause serious health problems. In addition, technicians must clean, inspect, lubricate, and adjust all of the motors, fans, and pumps within the cooling tower on a regular basis.

What is the life expectancy of a cooling tower?

Cooling Tower Replacement can be a costly proposition and the average life expectancy of a commercial cooling tower, according to most manufacturers, is 15 – 20 years*, before they need to be rebuilt or replaced. Many cooling towers were installed in 1980’s and are 30 years old now.

How often should cooling tower fill be replaced?

every 10-14 years
About cooling tower fill replacement frequency It also advisable to replace your cooling tower fills every 10-14 years to maintain the original output. You may not be aware that your cooling tower fills need immediate replacement.