US 12,263,453 B1
Thickening device and method for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materials
Jiping She, Chengdu (CN); Wenjing Ma, Chengdu (CN); Furong Gong, Chengdu (CN); Yunfei Wang, Chengdu (CN); Gege Teng, Chengdu (CN); Shiyu Zhang, Chengdu (CN); and Huimin Li, Chengdu (CN)
Assigned to Chengdu University Of Technology, Chengdu (CN)
Filed by Chengdu University Of Technology, Chengdu (CN)
Filed on Sep. 26, 2024, as Appl. No. 18/897,048.
Claims priority of application No. 202311273088.X (CN), filed on Sep. 28, 2023.
Int. Cl. B01F 23/00 (2022.01); B01F 23/50 (2022.01); B01F 23/53 (2022.01); B01F 27/90 (2022.01); B01F 29/83 (2022.01); B01F 35/212 (2022.01); B01F 35/22 (2022.01); B01F 35/31 (2022.01); B01F 35/32 (2022.01); B01F 35/33 (2022.01); C09K 8/50 (2006.01); B01F 35/30 (2022.01); B01F 101/49 (2022.01); E21B 41/00 (2006.01)
CPC B01F 23/53 (2022.01) [B01F 23/59 (2022.01); B01F 27/90 (2022.01); B01F 29/83 (2022.01); B01F 35/212 (2022.01); B01F 35/2202 (2022.01); B01F 35/31 (2022.01); B01F 35/3214 (2022.01); B01F 35/3231 (2022.01); B01F 35/33 (2022.01); C09K 8/50 (2013.01); B01F 2035/352 (2022.01); B01F 2101/49 (2022.01); B01F 2215/0422 (2013.01); E21B 41/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A thickening device for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materials, comprising a base, wherein the base is provided with a side wall; an upper end of the side wall is provided with a detachable top cover; and the base, the side wall, and the top cover form a sealed chamber;
the base is provided with a rotating support platform; the rotating support platform is provided with a detachable slurry cup; the slurry cup is provided therein with agitating shafts; the agitating shafts each are provided with a blade; a top end of the agitating shaft is connected to a threaded rod through a ball head connector, allowing the agitating shaft to rotate relative to the threaded rod; an upper end of the agitating shaft is provided with a second gear; the threaded rod is provided with a second limit platform; and the slurry cup comprises an inner surface provided with an inner gear ring for driving the second gear and an outer surface provided with an outer gear ring;
the ball head connector comprises a connecting component and a limiting component; and the connecting component is a cylinder, wherein the threaded rod and the agitating shaft are on a same axis;
the side wall is provided with a first limit platform, a feed inlet, and a discharge outlet; the first limit platform is detachably connected to a horizontal plate located above the slurry cup; the horizontal plate is provided with slots for front ends of the threaded rods to pass through and slide; the front end of the threaded rod is fastened to the horizontal plate by a nut; the horizontal plate is further provided with a material addition window; and a width of the slot is smaller than a diameter of the second limit platform; and
a lower surface of the top cover is provided with a motor; and a rotating shaft of the motor is provided with a first gear, wherein the first gear matches the outer gear ring;
wherein the second gear comprises a bearing; the bearing comprises an inner ring and an outer ring; the inner ring of the bearing is fitted onto the agitating shaft and provided with an L-shaped bracket; a lower side of a front end of the L-shaped bracket is provided with a telescopic cylinder; the telescopic cylinder is fitted into a spring; a lower surface of the telescopic cylinder is provided with a second roller; a circumferential surface of the outer ring of the bearing forms a gear surface, wherein the gear surface matches the inner gear ring; and an upper surface of the outer ring of the bearing is provided with a V-shaped groove for accommodating the second roller.