Continuous online mixing device for preparing fracturing fluid from dry powder

Abstract

The utility model relates to the technical field of mixing devices, in particular to a continuous online mixing device for preparing fracturing fluid from dry powder. The continuous online mixing device for the fracturing fluid prepared from the dry powder comprises a bottom plate, mixing barrels which are symmetrically distributed are fixedly mounted at the top of the bottom plate, a supporting frame is fixedly mounted at the top of each mixing barrel through bolts, and a mixing assembly is mounted between each supporting frame and the corresponding mixing barrel. According to the continuous online mixing device for preparing the fracturing fluid from the dry powder, components such as mixing blades in the mixing assembly can be flexibly taken out of the mixing barrel according to needs in the later use process, and therefore operation such as disassembly, maintenance or replacement of all the components in the mixing assembly by workers in the later period can be facilitated.

Claims

1. A continuous online mixing device for preparing fracturing fluid with dry powder, characterized in that: include: A bottom plate (1), the top of the bottom plate (1) being fixedly mounted with symmetrically distributed mixing barrels (11), the top of the mixing barrel (11) being fixedly mounted with a support frame (2) via bolts, and a mixing assembly (3) being mounted between the support frame (2) and the mixing barrel (11); The mixing assembly (3) comprises a mixing motor (31), the mixing motor (31) being provided with a support frame (2), a mixing rod (32) being fixedly mounted on the output end of the mixing motor (31), a plurality of fixedly connected mixing blades (321) being provided on the outer wall of the mixing rod (32), a transfer bar (322) being fixedly mounted on the bottom of the lowest mixing blade (321), and an insertion rod (323) being fixedly mounted on the bottom of the transfer bar (322); The mixing assembly (3) further comprises a chassis (33), the outer wall of the chassis (33) abutting against and slidably connected to the inner wall of the mixing barrel (11), scraping strips (34) fixedly connected are installed on both sides of the top of the chassis (33), the outer wall of the scraping strip (34) abutting against and slidably connected to the inner wall of the mixing barrel (11), a plurality of evenly distributed fixed blades (331) are fixedly installed on the top of the chassis (33), the insertion rod (323) is inserted into the fixed blade (331) and the outer wall of the insertion rod (323) abuts against and slidably connected to the inner wall of the fixed blade (331), and a threaded baffle (324) is installed at the bottom end of the insertion rod (323).

2. The continuous online mixing device for preparing fracturing fluid with dry powder according to claim 1, characterized in that: Both sides of the top of the support frame (2) are fixedly mounted with symmetrically distributed support plates (22); a rotatably connected rotating rod (221) is mounted between the two ends of the support plate (22); a fixedly connected cam (222) is sleeved on the outer wall of the rotating rod (221); the cam (222) is an elliptical structure; and a motor for driving the rotating rod (221) is provided on the outer wall of the support plate (22).

3. The continuous online mixing device for preparing fracturing fluid with dry powder according to claim 2, characterized in that: A slidably connected linkage rod (23) is inserted into the interior of the support frame (2); the bottom end of the linkage rod (23) is fixedly connected to the mixing motor (31); a linkage plate (231) is fixedly mounted on the top end of the linkage rod (23); two sides of the bottom of the linkage plate (231) respectively abut against and are slidably connected to the outer walls of the corresponding cams (222); and a fixedly connected water inlet pipe (21) is embedded in the interior of the support frame (2).

4. The continuous online mixing device for preparing fracturing fluid with dry powder according to claim 3, characterized in that: A return spring (24) is sleeved on the outside of the linkage rod (23), the top end of the return spring (24) is fixedly connected to the bottom of the linkage plate (231), and the bottom end of the return spring (24) is fixedly connected to the top of the support frame (2).

5. The continuous online mixing device for preparing fracturing fluid with dry powder according to claim 1, characterized in that: A loading assembly (4) is installed on one side of the top of the base plate (1), and the loading assembly (4) comprises a support frame (41). The support frame (41) is provided with two and fixedly installed on the top of the base plate (1). A rotatably connected screw rod (42) and a fixedly connected guide rod (43) are respectively mounted between the two support frames (41). A movably connected bearing tray (44) is installed between the screw rod (42) and the guide rod (43). The inner wall of the bearing tray (44) is slidably connected to the outer wall of the guide rod (43), and the inner wall of the bearing tray (44) is threadedly connected to the outer wall of the screw rod (42).

6. The continuous online mixing device for preparing fracturing fluid with dry powder according to claim 5, characterized in that: A material guide cover (441) is fixedly mounted on the bottom of the support tray (44); a material discharge port of the material guide cover (441) is located above the mixing barrel (11); a plurality of transfer tubes (442) connected to the material guide cover (441) are fixedly mounted inside the support tray (44); a solenoid valve (443) and a flow meter (444) are fixedly mounted on the transfer tube (442); and a material storage barrel (45) connected to the interior of the transfer tube (442) is fixedly mounted on the top of the transfer tube (442).

7. The continuous online mixing device for preparing fracturing fluid with dry powder according to claim 1, characterized in that: A pump body (13) is fixedly mounted on the top of the bottom plate (1), a connecting conduit (12) is fixedly mounted on the input end of the pump body (13), an end of the connecting conduit (12) away from the pump body (13) is connected to the interior of a corresponding mixing barrel (11), and a valve (121) is fixedly mounted on the connecting conduit (12).

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