Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Material level or thickness responsive
Patent
1987-02-13
1988-08-16
Cintins, Ivars
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Material level or thickness responsive
210 961, 210143, 210182, 210256, 210266, 210282, C02F 900
Patent
active
047642718
ABSTRACT:
A self-contained, modular system for conditioning water by solids removal, dissolved contaminant removal, and temperature control, so that said water is suitable for use in a system, such as a WEDM system. The modular system includes a first tank for receiving water to be conditioned, a filtration and ion adjusting section, a temperature adjusting section, a second tank for receiving conditioned water and sensor and control elements. The filtration and ion adjusting section has a first pump coupled to the first tank for pumping water from the first tank to the first filtration element. The filtration and ion adjusting section includes a selectable element for enabling at least a portion of the filtered water to be pumped directly to the second tank or else to means for deionizing the water. The temperature adjusting section has an element for adjusting the temperature of the water in the second tank, either heating it or cooling it. Sensors associated with the second tank provide electrical signals indicative of the electrical conductivity or (resistivity) of the water in the tank as well as its temperature. Water from the second tank can be sent back to the first filtration and ion adjusting section for subsequent conditioning in the event that the electrical conductivity or resistivity of the water in the second tank is not at the desired value. The first filtration and ion adjusting element is preferably in the form of a common housing having a filter cartridge disposed within the housing and defining an interior space in which deionizing element is located.
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