HYDRAULIC MIXER FOR PREPARATION OF SOLUTIONS Russian patent published in 2000 - IPC

FIELD: oil-and-gas industry. SUBSTANCE: hydraulic mixer has inlet chamber, diffuser and discharge tube with ejection chamber. Chamber communicates with bunker through pipeline with shut-off control assembly. Hydraulic mixer is provided with changeable attachment. The latter is arranged in box along with element of quickly-detachable connection secured to inlet chamber wall. Hydraulic mixer contains filter positioned in box in front of changeable attachment. It also has steepy bent fitting coupled to discharge tube and provided with antiabrasive element. Hydraulic mixer has draining device fitted with branch pipe with blind section and draining branch pipe. Bunker is made as a funnel. Changeable attachment and confuser are positioned coaxially on opposite walls of inlet chamber at a distance between ends being within 150-230 mm. Diameters of cylindrical part of confuser and mixing chamber are within 60-80 mm, and mixing chamber length is 200-450 mm. Diameter of filter holes exceeds flow section of changeable attachment. Filter and changeable attachment capacity is up to 25 cu.dm/s at delivery pressure of 4.0-10.0 MPa. Hydraulic mixer provides for continuous process of preparation of high-density solution. EFFECT: enhanced efficiency. 1 dwg