Single stage reverse osmosis

Beijing Fengyuhua Environmental Protection Technology Co., Ltd. single-stage reverse osmosis process raw water rr raw water tank rr raw water pump rr multi-media filter (quartz sand filter) rr activated carbon filter rr soft water processor (adding antiscalant device) rr precision filter rr High-pressure pump rr One-stage reverse osmosis (R) device rr Ultraviolet sterilization device (ozone sterilization device) rr Water point
Address: South No. Yard, Guandimiao Road, Jiugong, Daxing District, Beijing Telephone: Fax Mobile: Contact: Ms. He


Process description
Raw water tank
) Function: Overcome the instability of water supply in the pipe network, ensure stable and continuous water supply for the entire system, and also provide water to each equipment Long-term reliable performance is guaranteed.
) Selection: material or stainless steel water tank.
) Control: The water tank is equipped with a high water level float valve and a low water level switch. It has the advantages of high reliability, low price, simple structure and easy installation. When the water level is high, the float valve closes and stops water inflow. When the water level is at low level, the high water level float valve opens and starts filling the water tank. At the same time, the low water level switch is disconnected and the booster pump stops working.
Raw water pump
) Function: Provide necessary working pressure for each pretreatment equipment.
) Selection: Determine the working pressure of the booster pump based on the design pressure drop of each pretreatment equipment (maximum pressure drop of each filter equipment), and the pressure in front of the high-pressure pump cannot be less than /.
) Control: Use a regulating valve behind the pump to adjust the pressure and water inlet volume.
Mechanical filter (quartz sand filter)
) Function: The raw water first passes through the mechanical filter, and fine quartz sand is placed in the filter to make the flocs, rust and other suspended impurities in the raw water remove during this process intercepted. Since the mechanical filter intercepts a large amount of suspended impurities during operation, in order to ensure the normal operation of the filter, the filter must be flushed and backwashed regularly.
) Selection: Choose R material (glass fiber reinforced plastic) container
) Control: The backwash operation of the mechanical filter uses a manual controller. The filter should be cleaned once a day, and the cleaning time is minutes.
Activated carbon filter
) Function: This process uses activated carbon filter, which is very important as the pre-treatment of the reverse osmosis device. The reverse osmosis system requires water inlet indicators, residual chlorine/. In order to meet its water inlet requirements, the raw water needs to be further purified to meet the reverse osmosis water inlet indicators. A carbon filter is installed in front of the reverse osmosis device, which has two main functions:
Adsorbing some organic matter in the water, with an adsorption rate of about %
B adsorbing residual chlorine in the water. It adsorbs inorganic colloids, organic colloids and dissolved organic polymer impurities with particle sizes of about angstroms, as well as residual chlorine that is difficult to remove in sand filters. The reason why activated carbon can be used to adsorb active substances with a particle size of about tens of angstroms is that its structure contains a large number of micropores and particle gaps with an average pore diameter of about angstroms. This structural feature of activated carbon allows its surface adsorption area to reach /, since the molecular diameter of general organic matter is slightly less than angstrom, activated carbon has a strong adsorption effect on organic matter. In addition, activated carbon has a strong dechlorination ability. Since residual chlorine has strong oxidizing properties, residual chlorine reacts with carbon to generate carbon dioxide and chloride ions. Therefore, only a small amount of carbon is lost, so activated carbon dechlorination can be used quite a bit. long time. Activated carbon not only has the above functions, but can also remove odor pigments from water and improve the clarity of water. After activated carbon is used for a period of time, its adsorption capacity decreases and needs to be regenerated or replaced. Therefore, after the raw water passes through the carbon filter, the water quality can be greatly improved and the pollution to the reverse osmosis membrane can be reduced. The treated water quality can meet the water quality requirements of the reverse osmosis device (residual chlorine/).
) Selection: Use glass fiber reinforced plastic containers with an expansion rate of %.
) Control: The activated carbon filter is controlled by a manual controller. Since the activated carbon filter absorbs a large amount of suspended impurities during work, in order to ensure the normal operation of the system, flushing and backwashing must be performed every day. The flushing process is performed by cleaning Time is in minutes.