Core Viewpoint - The Shanxi Huayang Group successfully passed evaluations for three projects at the 2025 Annual First Batch of Coal Technology Innovation Achievement Transfer and Transformation Project Evaluation Conference, indicating advancements in coal mining technology and innovation [1][6]. Group 1: Project Evaluations - The high-strength adjustable electric blasting volume fracturing and permeability enhancement equipment for coalbed methane extraction was rated as first-level, showcasing its effectiveness in improving gas extraction efficiency and reducing operational costs [1]. - The coal mine rock tunnel shield tunneling technology and equipment received a second-level rating, demonstrating its ability to shorten construction periods and address safety and efficiency issues in traditional tunneling methods [2]. - The temperature control method for managing spontaneous combustion of gob and smart dynamic management monitoring technology was rated third-level, highlighting its role in environmental protection and effective monitoring [4]. Group 2: Technological Applications - The high-strength adjustable electric blasting equipment is implemented by Xinyu Geotechnical Company, which enhances gas extraction efficiency while minimizing costs related to transportation, lifting, power supply, and ventilation [1]. - The coal mine rock tunnel shield tunneling technology has been tested in three mines, contributing to safer and more efficient coal mining operations [2]. - The temperature control method for gob management is advanced by Jiuzhou Company, utilizing a self-developed temperature control device for effective heat extraction and integrating a dynamic monitoring system for intelligent management [4][6].
山西华阳集团科技创新再结硕果