In the filtration process of water treatment, the more commonly used equipment is quartz sand filter and activated carbon filter. Filter exchange of activated carbon filter and quartz sand filter after the equipment has been in operation for a certain period of time
Here are the steps to replace the quartz sand and activated carbon filter media:
01
Tools required to replace quartz sand and activated carbon: pipe clamps, sand suction pipes, and raw tape.
02
Before replacing quartz sand and activated carbon, it is necessary to carry out a comprehensive inspection of the equipment to see if the customer's equipment has any broken parts. If any, please explain to the customer in time, and record the operating parameters, especially quartz sand and activated carbon. Inlet pressure.
03
The equipment is shut down. First of all, if there is reverse osmosis, the reverse osmosis main pump should be stopped first, then the original water pump should be stopped, and then the original water pump inlet water should be shut off.
04
When changing the sand, it is generally the first to change the carbon in the sand, because the activated carbon just filled in, first soaked in water, so that it is fully wet, remove the air between the carbon particles and the internal space, so that the carbon particles do not float on the water, In order to save time. First, a small amount of water is placed at the bottom of the charcoal canister, and then the activated carbon is charged.
05
The loading volume of activated carbon is about 6% of the total volume of the carbon filter tank. In order to leave enough backwash space. After filling the charcoal, the water is poured into the canister so that the water can completely soak the activated carbon.
06
Before changing the quartz sand, a small amount of water should be injected into the sand tank. The large sand is placed below, and the small sand is filled with quartz sand in the order of above. The filling volume of quartz sand is about 80% of the sand tank.
07
After the quartz sand is filled, reinstall the equipment. Washable quartz sand, before cleaning, to confirm whether the valve is open correctly, that is, the inlet valve and the upper exhaust valve, close the activated carbon inlet valve. Then open the original water pump, wash it first, and wash it back. Then the backwash is alternated. Until the water coming out of the waste water valve is clear.
08
Confirm that the quartz sand has been cleaned, open the original water pump to clean the activated carbon, wash it first and then backwash it, wash it until the water is transparent and colorless, and then put it into use without fine particles. Turn off the water in the softener when cleaning the activated carbon.
Precautions
01
Before changing the charcoal, use water-tight things such as plastic to completely cover the electrical components that are not pumped away from the sand tank and the charcoal tank, to prevent water from entering the pump and causing the pump to burn out.
02
When loading sand, the center tube should be sealed with raw tape to prevent sand carbon from entering the middle tube.
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