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Water Tank Cleaning Process

Sep. 07, 2022

We can supply different material water tank, such as GRP/SMC/FRP water tank, galvanized steel water tank and stainless steel water tank. This combined water tank have lots of advantages and used widely in different fileds. It can be used for drinking water tank, fire water tank, rainwater tank etc. But how to clean the water tank? Today we will introduce this to you.

1). Close the main water inlet valve and close the communication valve between the water tanks. Open the drain valve, and an external water pump can be installed to quickly drain the water in the water tank. 

2). Keep the drain valve in the open position, and blow the air to the water tank mouth for more than 2 hours with a blower. Allow air to circulate and remove toxic gases from the water tank. Detect components in the air to ensure safety. 

3). The person in charge of cleaning calls for cleaning personnel and maintenance personnel to explain cleaning procedures, safety measures, technical requirements and safety precautions. 

4). Water tank operation power distribution adopts FS-RVV cable, installed with leakage switch control. At the same time, a line lamp with a voltage below 36V should be worn for the interior lighting of the water tank. 

5). The person in charge inspects the pipes, floats, and water level controllers of the water tank. 

6). The cleaning staff cleans the external environment first, and then enters the water tank and the water tank to scrub. The six-wall brush mechanical equipment can be used for scrubbing. Three times each horizontally and firmly. Rinse with a high-pressure water jet. 

6.1). If the surface is contaminated with grease, oil or lubricating oil: Wipe dry with a soft cloth, and then clean with a neutral detergent, ammonia solution, or detergent. 

6.2). If there are bleach and various acidic attachments on the surface: Rinse immediately with clean water, then soak the soda with ammonia solution or neutral carbonic acid solution, or wash with neutral detergent 

6.3). If there is rainbow pattern on the surface: the reason is excessive use of detergent or oil. Wash with warm water detergent. 

6.4). If the surface is dirty due to rust: use 10% nitric acid or clean with abrasive detergent 

6.5). If the surface is dusty or dirty: it can be washed with soap, weak detergent, or warm water 

6.6). If the trademark and film on the surface are removed: warm water + weak detergent can be used, or it can be scrubbed with alcohol or organic solvent. 

7). Drain the sewage in the water tank after cleaning. Spray the bleaching powder fine tablets into the water tank to seal and disinfect. 

8). After standing for 30 minutes, re-enter the water tank and rinse with a high-pressure water gun. Use a vacuum cleaner to drain the water from the pool. 

9). While cleaning the pool, send another person to check and clean the fastening valve and clean the filter. 

10). After checking that the facilities are normal, inject water into the water tank. Take a water sample and entrust a qualified testing agency to test the water quality of the secondary water supply and obtain evidence. (Ensure that the quality of the secondary water supply meets the national sanitary standards for quick water use). Cover and lock, update the selection record form, and finally paste the water quality test certificate.

Water Tank Cleaning Process