Yanbin Yu

Title: Innovations of Yanbin Yu in Coal Seam Technology

Introduction

Yanbin Yu is a notable inventor based in Qingdao, China. He has made significant contributions to the field of coal seam technology, particularly in drilling and water injection methods. With a total of 2 patents, his work focuses on enhancing the efficiency and safety of coal extraction processes.

Latest Patents

Yanbin Yu's latest patents include a "Drilling-slitting-sealing-fracturing device and method for a deep low-permeability gassy coal seam." This innovative device features a drilling control system, a high-pressure water power system, a water pressure grading control system, and a fracturing and sealing control system. The drilling control system is designed to adjust the drilling direction and water supply pressure of the drill rod. The high-pressure water power system supplies varying pressures of high-pressure water to the device. The water pressure grading control system ensures that the flushing water pressure is maintained below 5 MPa, while the pressures for slitting and sealing operations are carefully regulated between 25-40 MPa. Additionally, the fracturing and sealing control system manages borehole sealing and hydrofracturing operations.

Another significant patent is the "Test apparatus and a test method for the wetted perimeter of coal seam water injection." This invention describes a test apparatus that includes a columnar insulator positioned between upper and lower electrodes. The apparatus is designed to measure the wetted perimeter during water injection into coal seams, utilizing a circular reverse osmosis membrane and solid sodium chloride to create an enclosed chamber.

Career Highlights

Yanbin Yu is affiliated with Shandong University, where he continues to advance research in coal seam technologies. His work has been instrumental in developing methods that improve the extraction of resources from low-permeability coal seams.

Collaborations

He has collaborated with notable colleagues such as Gang Wang and Weimin Cheng, contributing to various research projects and innovations in the field.

Conclusion

Yanbin Yu's contributions to coal seam technology through his innovative patents demonstrate his commitment to improving extraction methods and enhancing resource efficiency. His work continues to influence the industry and pave the way for future advancements.