MIXING AND DISCHARGING DEVICE AND SYSTEM, AND FRACTURING SYSTEM

WIPO Patent Application WO/2023/004981

A1

A mixing and discharging device and system, and a fracturing system. A mixing and discharging device (10) comprises a main housing (1), an impeller structure (2) and a main shaft (3). The main housing (1) comprises a top cover (101); the impeller structure (2) is located inside the main housing (1); the main shaft (3) is configured to drive the impeller structure (2) to rotate, and same penetrates the top cover (101) and extends into the main housing (1); and the bottom end (31) of the main shaft (3) is located inside the housing (1) and is fixed on the impeller structure (2), and the bottom end (31) of the main shaft (3) is separated from the housing (1). The mixing and discharging device is used for mixing a solid material with a liquid material, and the main shaft is convenient to disassemble and maintain, such that the impeller structure is convenient to disassemble and maintain, and the mounting difficulty and manufacturing difficulty of the main shaft, the impeller structure and the whole mixing and discharging device are also greatly reduced.

HAN MAOMAO (CN)
LV LIANG (CN)
WU YIPENG (CN)
LI SHUWEI (CN)
LAN CHUNQIANG (CN)

PCT/CN2021/120941

February 02, 2023

September 27, 2021

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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (CN)

E21B43/26

CN105251403A	2016-01-20
CN104929606A	2015-09-23
CN208934678U	2019-06-04
CN111042789A	2020-04-21
CN104525019A	2015-04-22
US4453829A	1984-06-12

LIU, SHEN & ASSOCIATES (CN)

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