作者: Anthony M. Rossi , Kenneth C. Barrett
DOI:
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摘要: A solid chemical feed system, preferably including two bowls (14, 16), comprises a quantity of chemicals that dissolve upon immersion in water to form liquid solution. sump (12) is provided receive solution from the with additive being used inhibit corrosion and rust. The system valve (46, 54, 56) controlled by sensor (72) detects conductivity alternatingly switch introduction one bowl (14) other (16). Upon depletion desired treatment will continue empty may be replaced without disruption.