An apparatus for absorbing hydrogen fluoride in anhydrous hydrogen fluoride by-product fluosilicic acid

Abstract

The utility model discloses a kind of absorption devices of hydrogen fluoride in fluorosilicic acid byproduct hydrogen fluoride without water, including venturi scrubber, washing circulating tank, demister, cooler, tail gas washing tower and gas-liquid separator, venturi scrubber is venturi washing pipe, venturi pipe top is provided with spray liquid inlet, venturi pipe side upper wall is provided with tail gas inlet, venturi pipe bottom is provided with mixed liquid outlet, spray liquid inlet is provided with the four fluorine tube extending into venturi washing pipe, four fluorine tube front end is provided with four fluorine spray head.The utility model is through, multistage absorption process of two-stage venturi washing plus two-stage tail gas washing, parallel pump set design, realize hydrogen fluoride efficient removal, equipment system stable operation, finally tail gas is discharged after gas-liquid separation, suitable for the refining treatment scene of fluorosilicic acid byproduct hydrogen fluoride without water.

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