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In recent years, some units blindly reduce the cost of equipment and increase profits. When planning the bag filter, the filter wind speed is advanced. There is no obvious response among users in the stainless steel membrane case for a short time, but the service life of the filter bag is greatly shortened. Assuming that the temperature is too high, the filter bag of carbon steel filter is selected to exceed it. What are the skills and functions of carbon steel filters? Let's get to know them together.

I. Skills and Functions of Carbon Steel Filters

(1) Desalination of brackish water and defluorination of groundwater

Raw water 101 filter Fine filter Electrodialysis equipment Hollow fiber ultrafilter Ultraviolet sterilizer Product water

(2) Water for injection preparation and infusion preparation in pharmaceutical industry

Raw Water Activated Carbon Filter Fine Filter Electrodialysis Equipment Cation Exchanger Anion Exchanger Mixed Ion Exchanger Multi-effect Distillation Water Machine Product Water

(3) Production of purified drinking water and space water

Raw water → mechanical filter → activated carbon filter → fine filter → electrodialysis equipment → cation exchanger → anion exchanger → mixed ion exchanger → hollow fiber ultrafilter → ultraviolet sterilizer → ozone sterilization equipment → product water

General Criteria for Selection of Carbon Steel Filters

1. Filter material:

The raw materials of the filter are generally the same as those of the connecting process pipeline. For different operating conditions, filters with cast iron, carbon steel, low alloy steel or stainless steel raw materials can be selected.

1. Import and export paths:

The import and export diameter of carbon steel filter should not be less than the import diameter of matching pumps, generally consistent with the import pipe intersection.

2. Nominal pressure:

Determine the pressure level of the filter according to the highest possible pressure of the filter line.

3. Selection of the number of holes:

Carbon steel filter mainly considers the size of impurities to be blocked, according to the process requirements of the medium. Various sizes of silk screen size can be blocked look up in the table "filter specifications".

4. Filter acceptance pressure

The acceptance pressure of carbon steel filter is 0.4-0.6 MPa.

The application of carbon steel filter in wastewater treatment can effectively prevent and control the waste of water resources and promote its economic development. And the treated water can be recovered by carbon filter. Direct use of grid to block impurities in water, remove suspended particulate matter, particulate matter, reduce turbidity, purify water quality, descend the system of dust, bacteria and algae, corrosion, and then achieve the purpose of purified water reuse.

Author: Hangzhou Water Shield Technology Co., Ltd.

Website: http://www.zjhzsd.com/

Key words: carbon steel filter, stainless steel membrane shell