Key points for the selection and maintenance of filter elements and membrane components used in industrial ultrapure water machines?

Industrial ultrapure water machines are used for occasions where ultrapure water is needed in the production process. It uses a series of filter elements and membrane modules to purify water quality. Correct selection and maintenance of these filter elements and membrane modules is crucial to ensuring the quality of ultrapure water. This article will introduce the selection and maintenance of filter elements and membrane modules in detail.

I. Selection of filter elements and membrane modules

1. the pre-filter

The role of the pre-filter is to remove large particles of impurities, sediment and other substances in the water to avoid damage to subsequent filter elements and membrane modules. Common pre-filters include coarse particle filters and activated carbon filters. The characteristics and needs of water quality need to be considered when selecting.

2. precision filter

The role of precision filters is to remove tiny particles, bacteria, viruses and other substances in water and improve the purification of water. Common precision filters include nanofiltration membranes, ultrafiltration membranes and depth filter elements, etc. The selection needs to be determined according to the characteristics and requirements of water quality.

3. reverse osmosis membrane

Reverse osmosis membrane is a key component in industrial ultrapure water machines. It is mainly used to remove dissolved ions, organic matter, microorganisms and other substances in water. It is characterized by high efficiency, reliability and stability. When selecting reverse osmosis membranes, water quality characteristics, water production requirements and equipment working conditions need to be considered.

4. ultraviolet sterilizer

An ultraviolet sterilizer is a device that kills microorganisms in water through ultraviolet light and can effectively remove viruses, bacteria and other harmful microorganisms in water. When selecting an ultraviolet sterilizer, you need to consider the sterilization effect of the device, maintenance costs and service life of the equipment.

II. Maintenance points for filter elements and membrane modules

1. regular cleaning

Regular cleaning of filter elements and membrane assemblies is the key to maintaining normal operation and extending service life. You can use appropriate amount of cleaning agent and soft brush when cleaning to avoid damage caused by using too much cleaning agent and hard brush.

2. Replace filter elements and membrane assemblies

The service life of filter elements and membrane modules is generally long, but as the use time increases and the water quality changes, degradation and clogging of filter elements and membrane modules will occur. Therefore, it is necessary to regularly check the working status of filter elements and membrane modules and replace them in time according to actual conditions.

3. Maintain tightness of the filter element and membrane module

The tightness of filter elements and membrane modules is very important to the quality of ultrapure water. If there are problems such as water leakage or loosening, the water quality will decline. Therefore, it is necessary to regularly check the tightness of filter elements and membrane assemblies and carry out necessary maintenance and replacement.

4. Avoid using hard water and hot water

Hard water and high temperature water can cause damage to filter elements and membrane components, reducing their working effectiveness and service life. Therefore, care should be taken to avoid using hard water and high-temperature water during use, and filter elements and membrane modules can be protected by softening and cooling.

5. Regularly check water quality

Regular testing of water quality can timely understand the working status of the ultrapure water machine and the use effect of the filter element membrane components to avoid water quality decline. Professional water quality testing instruments can be used for testing, and the use and maintenance methods of filter elements and membrane components can be adjusted based on the test results.

Summary: The selection and maintenance points of filter elements and membrane components used in industrial ultrapure water machines are the key to ensuring the quality of ultrapure water. Properly selecting suitable filter elements and membrane components, regularly cleaning and replacing them, maintaining sealing and avoiding the use of hard water and high-temperature water can effectively ensure the normal operation of ultrapure water machines and provide high-quality ultrapure water.