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Original pickling tank function of reverse osmosis system

The basic working principle of reverse osmosis is to use a special high-pressure water pump to add raw water to a pressure of 6-20 kg, so that the raw water permeates through a reverse osmosis membrane with a pore size of only 0.0001 micrometers under pressure. Chemical ions, bacteria, fungi, and virus particles cannot pass through and are discharged with wastewater. Only water molecules and solvents with a volume less than 0.0001 microns can pass through.

The general process flow of reverse osmosis equipment is: original pickling tank, raw water pump, sand filter, carbon filter, water softener, reverse osmosis host, pure water pickling tank.

The pretreatment of direct tap water has the following disadvantages: when the tap water stops suddenly and the high-pressure pump is still running, the soft water will stop at the instant of suction, and there are obvious signs that the damaged is a circle, a circle. At the same time, it can also provide stable pressure to the raw water pump, so a raw pickling tank must be added before pretreatment.

The role of pickling tank in reverse osmosis system

Original pickling tank function of reverse osmosis system

1. The role of the original pickling tank in the reverse osmosis system: stable pressure means that no matter where the original water comes from, it first enters the original protective pickling tank and then supplies the raw water pump for stability (prevents the raw water pump from unstable combustion pressure) .

2. Sedimentation: For well water and lake water, raw water contains a large amount of visible substances. These solid magazines will go directly to the raw water pump and burn it.

3. Supplementary emergencies: For example, water supply stops at some point. At this time, the original pickling tank plays a supplementary role, so that the equipment can work normally in a short time without affecting production.

Raw water contains a lot because the well water contains chloride ions, which will corrode stainless steel, so choose a plastic PE pickling tank, pickling tank PE original pickling tank, beautiful appearance, and the quality of the raw water is generally poor, and the PE material is resistant to corrosion. long life. Sanitary water quality, light weight and low cost.

The role of reverse osmosis cleaning pickling tank

For large-scale water treatment, if it is an original pickling tank mechanical filter, activated carbon filter, ultrafiltration and reverse osmosis pickling tank, the service life of the reverse osmosis membrane is generally within two to three years. The cycle will vary if the water production is reduced or highly conductive and the life cycle is used to determine if the RO membrane needs to be cleaned.

Reverse osmosis membrane cleaning equipment, including: cleaning pickling tanks, cleaning pickling tanks and pickling tanks with circulating return port settings, cleaning return ports, cleaning injection ports, agent injection ports, and output discharge ports, and output ports of wastewater output pipes are also With wastewater discharge pipes, wastewater discharge pipes are equipped with wastewater flow control valves. The cleaning pickling tank can be a conical pickling tank, and its output flow is at the bottom of the central minimum cleaning pickling tank. The top of the cleaning tank is provided with a circulation return port, a cleaning return port, a cleaning injection port and a medicine injection port.

The role of pickling tank in reverse osmosis system

When the equipment is running normally, open the water inlet valve for cleaning the pickling tank. When the water injection volume is 90% of the volume of the cleaning pickling tank, the reverse osmosis system is set to the manual state, and then the inlet valve of the cleaning pump, the outlet valve of the cleaning pump, and the reverse osmosis inlet valve (the inlet valve of the cleaning pump) are opened. Open the cleaning cycle valve, close the high-pressure pump, water valve (high-pressure safety valve), strong exhaust valve (thick water regulator), clean the water inlet valve of the pickling tank, the cleaning tank is configured with 3% citric acid diluted water, and the cleaning pump is turned on (Manual), cycle, the washing pump is closed after three hours, the entire equipment valve is restored to normal water conditions, backwashed, and enters the normal running state

The role of intermediate tanks in reverse osmosis systems

Take two-stage reverse osmosis as an example, there are three pickling tanks: the original pickling tank (that is, the original pickling tank)


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