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The pressure tank of a reverse osmosis (RO) water purifier is an essential component of the system that plays a crucial role in its effective functioning. As water passes through the purifier, it undergoes a filtration process to remove contaminants and impurities, resulting in clean and safe drinking water. The pressure tank acts as a storage unit for the purified water, providing a steady and consistent flow of water when needed.
The working principle of the pressure tank revolves around the concept of pressure equalization. As water undergoes the filtration process, it encounters resistance due to the semipermeable membrane used in reverse osmosis. This resistance causes an increase in pressure within the system. The pressure tank is designed to accumulate and store water at a specific pressure, allowing for a continuous supply even when the filtration process is not actively purifying the water.
In terms of structure, a typical pressure tank of an RO water purifier consists of a cylindrical vessel made of durable materials such as stainless steel or plastic. It is equipped with a diaphragm or bladder that separates the water and air within the tank, ensuring that they do not mix. The bladder is responsible for maintaining the pressure level by compressing and expanding accordingly as water enters or leaves the tank.
Additionally, the pressure tank incorporates various valves and fittings to regulate the flow of water. These components enable the controlled release of purified water when the tap is opened, while the tank continuously replenishes the stored water with the help of an inlet valve.
Overall, the pressure tank serves as a crucial component in maintaining a consistent and optimal supply of purified water from an RO water purifier. By understanding its working principle and structure, users can appreciate its significance and ensure the efficiency of their water purification system.
The pressure tank of the water purifier is an indispensable part of the RO water purifier. However, what is a water purifier pressure tank, many people still wonder. Join Tnhelearning.edu.vn to learn about the pressure tank of the RO water purifier as well as the operating principle and structure of this part!
What is the pressure tank of the RO water purifier? What to do?
The water purifier pressure tank is a very important part of the RO water purifier. This unit is usually cylindrical, painted white or blue with a capacity ranging from 10 to 15 liters . Normally, water purifier pressure vessels are made from high-quality plastic or metal, which do not contain toxic substances to ensure safety for users.
The function of a pressure vessel is to store water and maintain water pressure. Filtered water flows directly from the RO membrane through the pressure tank for storage, if this part has a problem, the water from the purifier will flow weakly or there is no water.
Structure and working principle of RO water purifier
Structure
Basically, the water purifier pressure tank is an empty tank and inside there is a rubber ball containing gas. Above the rubber ball is a water ball made of butyl. There is a hole in the top of the tank that allows water to flow in and out of the tank. The normal body will have a blue pin, this is the gas valve, where the gas will be pumped into the tank when needed.
Working principle
About the principle of operation of the RO water purifier, water passes through the filter and will be put into the pressure tank. When empty, the pressure of the pressure vessel is about 5 to 10 psi . The pressure in the pressure vessel will increase as water is introduced into the tank. When the pressure in the tank reaches 2/3 of the pressure of the tap water flow, the hydraulic shut-off valve of the RO filter system will operate to stop the water from entering.
When you open the faucet, the water in the pressure tank will be pushed out thanks to the air pressure, and the filter system continues to bring water into the pressure tank to compensate for the pressure loss from the water you take. Just like that, the pressure tank will adjust the pressure of the system and coordinate the water in and out.
Advantages and disadvantages of RO water purifier pressure tank
Advantage:
- Make sure the outlet water pressure is controlled and stable.
- Make sure the machine can operate most flexibly and stop at the right time.
Defect:
- Bulky, space-consuming because the amount of water contained in the tank only accounts for about 60-70% of the tank’s capacity.
- Interrupt the operation of the machine when the tank has a problem.
How to pump pressure tank RO water purifier
Step 1: First, you lock the water inlet and turn off the power .
Step 2: Next, you lock the pressure tank valve , then unplug the water supply line from the pressure tank and bring the pressure tank out .
Step 3: Unlock the pressure tank valve to let the water flow until the water stops flowing, then check the pressure tank:
- If the water runs out, it means the pressure tank is working properly.
- If there is still a lot of water in the tank, pump the pressure tank until the water runs out. Then you install the water filter and check again. If the water still does not drain, the pressure vessel has leaked or punctured, now you need to replace the new pressure vessel to use.
Step 4: Insert the pressure tank back into the water purifier.
Some notes when using RO water purifier pressure tank
– Check the air balloon inside the pressure tank after about 18-24 months of use because when used for a while, the air balloon will gradually deflate, causing the water to flow out of the faucet slowly.
– Pump air into the pressure tank when the tank weighs less than 20kg . To pump air in, you take the bicycle pump and pump it into the air valve of the pressure tank.
– Pump a small amount from 2 to 3 times , avoid pumping too much, too tight to explode the ball.
Above is information about the pressure tank of the RO water purifier, the principle of operation and the structure of the pressure tank of the RO water purifier. Hope this information helps you!
In conclusion, the pressure tank plays a crucial role in the functionality of a reverse osmosis (RO) water purifier. The working principle of the pressure tank involves creating and maintaining a stable pressure within the system to ensure efficient water purification.
The structure of the pressure tank typically consists of a cylindrical vessel with an inlet and outlet port. Inside the tank, there is a rubber membrane that separates the water and air chambers. The initial air pressure is carefully set within the tank to ensure the desired pressure for the RO system.
During the filtration process, as water enters the tank, it displaces the air, resulting in an increase in pressure. This allows the purified water to be stored and readily available whenever needed without the need for the RO system to constantly operate. When the faucet is opened, the pressure within the tank pushes the purified water out.
The pressure tank of an RO water purifier ensures a continuous supply of purified water by providing a reservoir to store the treated water while maintaining a consistent pressure. It also prevents the RO system from frequently cycling on and off, which can increase its lifespan and efficiency.
Overall, understanding the working principle and structure of the pressure tank in an RO water purifier is essential for ensuring the proper functioning of the system and obtaining clean and safe drinking water.
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