Patent ID: 6412709
Filing Date: 2002-07-02
Classification: B01F,B05B,F25C

Abstract:
A fluid mixer comprising:an apparatus body provided at its upstream end with an inlet arrangement for introducing plural kinds of fluids into a flow passage which is formed in said apparatus body and extends from said inlet arrangement toward a downstream end thereof, said flow passage having a diameter-increased passage portion with its sectional area greater than a sectional area of said flow passage upstream of said diameter-increased passage portion; a static mixer provided in said diameter-increased passage portion of the flow passage for mixing the fluids introduced via said inlet arrangement, said static mixer comprising a collision plate disposed perpendicular to a flow direction of the fluids and a circumferential wall projecting in an upstream direction from a rim of said collision plate; and a moving mechanism for moving said static mixer to adjust a gap between an upstream end of said circumferential wall and an upstream diameter-increasing step of said diameter-increased passage portion.