Patent ID: 8511887
Filing Date: 2013-08-20
Classification: B01F,B28C

Abstract:
1. A powder mixer for mixing a dry powder with liquid comprising: a powder mixer having a centrally located dry bulk powder inlet provided at one end of the mixer, said inlet communicating with a bulk inlet chamber and subsequently with a mixing chamber provided within the powder mixer, said mixing chamber communicating with an outlet provided at an opposite end of the mixer, recirculation jets provided annularly so that they discharge into said mixing chamber adjacent the bulk inlet chamber, said recirculation jets directed inwardly into said mixing chamber so that their discharges converges without impinging on any surface and form a cone shaped curtain which completely encircles and thoroughly wets incoming dry powder entering the mixing chamber from the bulk inlet chamber to form a wetted powder mixture, water jets provided annularly so that they discharge into said mixing chamber, said water jets directed inwardly within said mixing chamber so that their discharges converges without impinging on any surface and form a second cone shaped curtain which completely encircles and thoroughly mixes with the wetted powder mixture that was previously formed upstream within the mixing chamber from the dry powder that was wetted by water from the water jets.