CLEANING COOLING TOWER
I Safety Required
Bright and difference color safety clother must be used, including shoe boot; glove; helmet ( avoid black or brown, dark color to regconize co-worker easily during working )Mask with glasses and active carbon filter to perfectly protect , chemical liquide, tank chemical tank 1m3, pressure washer.
II Cleaning procedure: Combine chemical & pressure washer
Chemical for Cleaning: ALTCLEAN 4001 contains surface active and addtivite used for cleaning scale. Before cleaning, read the safety instructions and cleaning procedure for the cooling tower.
1 - Disassemble the entire heatsink out and gathered in sanitary area. Should gather in a sunny place to let the radiator dry. Then clean mechanically to remove 60% of deposits on filling.
2- Chemical prepare
Add 450 liters of water to a 1m3 tank and slowly add 50 kg of CHEMICAL ALTCLEAN 4001. Next, put the radiator in soak for 2-5 minutes and then spray with a pressure sprayer to remove any remaining
3- Controlling chemical cleaning process
During cleaning, it is necessary to check the pH, TDS, monitor the level of sludge and the scale of the reaction to know the chemical reduces effectiveness and go back to step 2.
*Note: It is necessary to neutralize scale descaling with NaOH and discharge at the receiving point of the factory
3- Clean inside cooling tower
Use a pressure washer to clean inside cooling tower and reattach the heatsink on the initial position
4. Replace the heat sink after cleaning and filling up the water. Should circulate circulating pump 15-20 minutes and change the water one more time