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What is the Role of the Reverse Osmosis Membrane Shell?

May. 22, 2021

As a Water Analysis Integration Platform Manufacturer, share with you. Everyone knows what reverse osmosis equipment is, but very few people know what a reverse osmosis membrane shell is. The reverse osmosis membrane shell is mainly used to install the reverse osmosis membrane and protect the reverse osmosis membrane. The following editor will introduce to you what is its function?

Revers Osmosis Mem Brane Housing

Revers Osmosis Mem Brane Housing

1. The reverse osmosis membrane shell component is used as an accessory to protect the reverse osmosis membrane. The types can be divided into two types: seam and seamless. This equipment is made of stainless steel. The end cover is made of ABS and stainless steel, and is sealed with a silicone O-ring. It has high sealing performance and a long service life. The water inlet and outlet have end and side inlets. The membrane shell is divided into card sleeve type, flange type, and built-in type. The shell is made of 304 seamless stainless steel tube. It has good sealing performance, high pressure resistance, no aging, and easy installation and cleaning of the membrane.

2. The quality of the pretreatment of the reverse osmosis membrane shell directly affects the service life of the reverse osmosis membrane. Regardless of whether the water quality of the feedwater is surface water or groundwater, it will contain some organic and inorganic pollutants. If these pollutants are directly fed into the reverse osmosis system for operation without pretreatment, those pollutants and suspended solids will remain in the membrane. On the surface, the flow channel is blocked, the pressure of the membrane element increases, the water production and the salt rejection rate decrease, and even serious consequences such as membrane fouling or membrane damage are caused.

3. At the same time, under the condition that the concentration of organic matter and alternating and suspended matter in the feed water is very high for the FRP membrane shell, the thickness of the water supply screen is highly likely to cause pollution to the membrane. Before discussing this issue, we must first understand how to protect the membrane shell, so as to ensure that the membrane elements cannot cause pollution.

4. In short, the most common type of feed water pretreatment in reverse osmosis system is membrane element pollution. When it comes to membrane element pollution, one of the most important components has to be mentioned, that is, the reverse osmosis membrane shell, which plays a role in the entire system. Anti-pressure and protective effect.

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