How to filter with anthracite, quartz sand and pebbles The use of anthracite filter material with quartz sand filter material is the best material for the double-layer fast filter and three-layer filter and filter tank filtration currently promoted in the country.Double and three-layer filter,Various sewage filters,Water purification machinery filters and water quality treatment before and after production of chemical, metallurgical, thermoelectric, pharmaceutical, paper making, printing and dyeing, food, etc.Double filter,The upper layer is anthracite filter material,The lower layer is quartz sand filter material,The supporting layer filter material is a pebble (which plays a supporting role,Non-filter particle size or non-filter material ).Similarly,When filtering three-layer filter material,In order to improve the water quality of the filter,The filter bed inside the filter set up a single layer filter material.The anthracite filter material with large particles and small relative density is distrib
Special Air conditioning ~~ Double Inlet drying filter! Why is there a process entrance? If one entrance will not enter the end of the screen is not fully used !! Where on the production line without the process entrance, vacuum the system and then add refrigerant?The process entrance leaves an entrance in the filter to filter the refrigerant that is added to the air conditioner during the production process.Filter for air conditioning without drying function,No need!As long as the filter can filter the entire refrigeration system,There is no need to set more for more filtering.