Principle is a positive displacement blower fan, there are two trefoil relative rotation of the impeller and the casing wall sealed space, because each wheel is involute or epicycloid envelope impeller and processing lines, three for each of the impeller blades are identical, while the two impellers are also identical blower manufacturer and supplier, thus greatly reducing the processing difficulty. Impeller in the processing of numerical control equipment to ensure that the two impellers in the center from the same situation next, no matter what position the two impeller rotation, can maintain a certain minimum clearance to ensure the gas leak within the allowable range. Roots blower used in the breeding industry: a rectangular sink or concrete ponds of shrimp nurseries nursery nursery room which is usually made of fiberglass pools, the volume of 10 to 15 cubic meters of water must pass through the nursery 2-4 times filtered. Roots blower manufacturers, unicellular algae culture more stringent water treatment. heating boilers available or coal boilers, hot water circulating in a way. Roots blower inflated. Second, the selection of healthy seed shrimp cultivation without injury, weight 50 ~ 60 grams shrimp species to male and female ratio of 1 to 1: 1 into the flume stocking stocking density of 4 to 5 / m, water temperature 26 ~ 27 ℃ 33 to 35 parts per thousand salinity, keeper of the pool water changes daily. about 50% of the Roots blower manufacturers, wholesale, and inflatable blower, black shading keeper pool cover, pool illumination less than 100 lux. fed fresh oysters, squid, frozen Nereid and other bait, bait cast day for shrimp about 10% of body weight. Roots blower fan manufacturers, wholesale _ _ Zhucheng East Machinery Co., Ltd. is provided by John Han Machinery Co., Ltd. Zhucheng East. Zhucheng East Han Machinery Co., Ltd. (www.dhlcfj.com) strong, credible, Shandong Weifang fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the East Han Machinery Co., Ltd. Zhucheng and you hand into the brilliant, for a better future!