The difference between automatic cleaning quartz sand filter and automatic cleaning filter The same point: automatic filtering, automatic cleaning, automatic sewage discharge.No electricity: quartz sand filter is filled with quartz sand in a large jar. water is filtered through the quartz sand layer by pressure, with finer accuracy and price ranging from tens of thousands to tens of thousands. The filter self-cleaning filter is a pipeline filter. the stainless steel filter is installed inside. The water is also filtered by the pressure filter. the filter accuracy is 50--3000 Micron, and the price ranges from several thousand to more than 10 thousand.We are China Kaida Environmental Protection Equipment (Beijing), four thousand and one filter self-cleaning filters for DN50, and can consult us for other specifications.
Combing junior high school chemistry knowledge points The name, use and usage of commonly used instruments in chemical experiments,Access to medicines,Heating, dissolution, filtration and evaporation of substances,The washing of glass instruments and the preparation of solutions with a certain mass fraction are all hot spots in the senior high school entrance examination.1. examine the map.Write the instrument name according to the question.2. check the use.Briefly describe the use and precautions of an instrument or basic operation.3. examine and judge.To judge whether the basic operation of an experiment is correct or the purpose of the experiment,Judge the order of an operatio