Liquid purification or separation – Processes – Chemical treatment
Patent
1994-09-19
1995-09-05
McCarthy, Neil
Liquid purification or separation
Processes
Chemical treatment
2101981, 119268, 422 37, 422255, 422261, 422263, C02F 176
Patent
active
054476410
ABSTRACT:
A water distribution system is provided having a flow rate in the range of approximately 10 to 30 psi. A chlorinator is provided in line with the water distribution system to dispense a chlorine compound into the water distribution system. Calcium hypochlorite in solid form is placed into the housing of the chlorinator, the chlorinator being used to dissolve the solid calcium hypochlorite in water, dilute it to a desired concentration, and dispense it into the water distribution system at a flow rate in the range of approximately 50 to 3500 gallons/day. The chlorinator comprises a housing having a closed bottom with a fluid inlet and outlet, an open top, and a removable top cover. A flow rate control valve in the internal passage regulates the rate of flow in the internal passage providing fluid communication between the fluid inlet and the housing interior. A fluid restrictor downstream of the internal passage creates a backflow sufficient to result in fluid flow into the internal passage at flow rates between approximate 50 to 3500 gallons/day. In order to provide the correct concentration of chlorine at flow rates below 1000 gallons/day, the chlorine compound is placed in an insert inserted into the housing interior. The bottom of the insert has two diametrically opposed fluid exchange holes which provide the sole path of fluid communication between the insert interior and the housing interior.
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AQUAWARD.RTM. package insert, Eltech International Corporation (1992).
AQUAWARD.RTM. DATA SHEET, Eltech International Corporation (no date).
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