Name: Double stage reverse osmosis
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Double stage reverse osmosis

Product Details

"Introduction: The reverse osmosis pure water equipment adopts fully automatic control mode to reduce the impact of human error operation on the equipment belt. The design of a reduction system in the pretreatment system addresses the irreparable impact of excessive residual chlorine on the reverse osmosis membrane. The selection of reverse osmosis membrane adopts the original imported reverse osmosis membrane from the United States, with a service life of up to 3 years and a effluent conductivity of 1-10us. The pumps used are domestically produced Nanfang pumps and imported Grundfos pumps, which have low operating noise and long service life. We use Dow's professional design software, and the recovery rate can reach over 65%. High degree of automation, simple operation, stable water quality, and low operating costs. Main components: 1. Raw water tank: mainly solves the problem of unstable raw water pressure and reduces mechanical failures caused by frequent start-up or unstable raw water pressure of the lift pump during operation.

2. Quartz sand filter: Raw water enters from the upper end of the tank and flows evenly from the upper end of the filter layer to the lower end through the upper water distributor. After passing through the filter layer, the raw water is separated from the filter layer by the lower water distributor, forming filtered water.

3. Activated carbon filter: The internal structure of the activated carbon filter is identical to that of a quartz sand filter. After adsorption by activated carbon, the residual chlorine in raw water can generally be reduced to below 0.1mg/l.

4. Precision filter: mainly uses a 5us melt blown filter element, which can remove small particles and further create conditions for reverse osmosis inlet water.

5. High pressure pump: provides the necessary power for reverse osmosis operation.

6. Reverse osmosis system: The reverse osmosis system is the core component of reverse osmosis pure water equipment. In the design of reverse osmosis, the number, brand, and arrangement of filter membrane elements are mainly considered.

7. Pure water tank: used for storing pure water. Intelligent control system and advantages: 1. Automatic replenishment of raw water tank: When the liquid level of the raw water tank reaches a low level, automatic replenishment is carried out. Stop replenishing water when it reaches a high level

When the water level in the raw water tank reaches a certain level, the system starts working, and stops when the pure water tank is full.

When the raw water tank is at a low water level, the water shortage protection is activated, and the system completely stops. Both manual and automatic operations cannot be performed.

4. The reverse osmosis system should be cleaned every time it is turned on, and the cleaning time should be controlled at around 30 seconds (the time is adjustable). After running for a period of time, the reverse osmosis system should be cleaned regularly (the time is adjustable).

When the pre-treatment pressure does not reach 2kg, the reverse osmosis host is protected by low pressure."

Double stage reverse osmosis:

Raw water (tap water, surface water, groundwater) is pressurized and sent to the pretreatment system for coarse filtration. After entering the filter for filtration, it is pressurized by a first stage high-pressure pump and sent to the first stage reverse osmosis system. The water produced by this system is then pressurized by a second stage high-pressure pump and sent to the second stage reverse osmosis system to produce product water, which is called two-stage reverse osmosis.

Double stage reverse osmosis is suitable for water with a conductivity greater than 500 μ s/cm, and the effluent conductivity is 1-10 μ s/cm.