In January, Shenhua Shendong group Yujialiang coal mine gangue gypsum filling BOT project, the company's business model developed to BOT general contracting, including project approval, design, investment, construction, commissioning and operation. It is currently in the implementation stage.
It has successively undertaken the design services of xingshengmin coal mine in Fugu County, Erdun coal mine in Yuyang District, Puhe coal mine in Fugu County, hongliulin coal mine of Northern Shaanxi mining group, sementel coal mine in Ordos, HuoLuoWan coal mine in Ordos, Longde coal mine of Shaanxi Huadian coal industry group, Bailu coal mine in Yulin, Western Shaanxi and other projects.
Paste filling mining of "three down" steeply inclined coal seam in No. 3 coal mine of Yaojie Coal Power Group Co., Ltd.
In December, Inner Mongolia Zhongkuang Green Mining Technology Co., Ltd. was established to develop the mine paste filling project in Inner Mongolia.
In January, the company also completed the general contracting of strip water retaining paste filling mining technology in Yongle coal mine and santaijie coal mine in Yuyang District, Yulin City, and realized the expansion of the company's business to a full set of paste filling general contracting (excluding investment, approval and operation) including design, equipment, system construction and commissioning.
In October, Mahuangliang coal mine paste filling project of Shaanxi Yulin taifaxiang Mining Co., Ltd. was the first demonstration project of strip paste filling mining under buildings in Northern Shaanxi.
Study on 1 million T / a paste filling coal mining in - 6m coal seam of Gaohe coal mine of Shanxi Lu'an Group
(1) The use of the paste filling industrial pump independently produced by the company indicates that the company's business has expanded from a single traditional scheme design and service to the R & D and production of key equipment.
(2) In January 2019, Shanxi Zhongkuang Filling Technology Co., Ltd., a professional operation company, was established to be responsible for the filling operation of Gaohe coal mine, developed the project operation business segment of the company, and has been responsible for the filling project in Shanxi Province since its operation.
(3) The high-efficiency paste filling mode of coal mine has been realized, including the development of high-efficiency paste filling hydraulic support and the technology of adding accelerator at the outlet of working face pipeline, and the cancellation of isolation shift and solidification shift.
We have successively completed the design services of many coal mines, such as Linsheng Coal Mine of Shenyang Coal Mine Group, Xinhe coal mine of Zikuang group, Tingnan coal mine of Shaanxi Changwu coal mine, Qilin coal mine of Shaanxi Yulin, Dongfeng Coal Mine of Shaanxi Yulin, etc.
In January, Xuzhou Cumt Backfill Technology Co., Ltd. was successfully listed on the new third board.
In June, the company changed its registered name toXuzhou Cumt Backfill Technology Co., Ltd.
The company also inherited more than ten paste filling projects, including Hebei Jinniu energy Xingtai Coal Mine, Jiaozuo coal industry group Zhucun coal mine, Hanwang coal mine, Xiaoma coal mine, Zikuang group Xuchang Coal Mine, geting coal mine, Jizhong energy nanminghe iron mine, Henan energy and chemical Hebi No. 2 coal mine, Xinwen Mining Group Huatai mine, Shenhua Baotou meilinmiao coal mine, Shenyang coking coal company Xima coal mine, Wuhai Tianyu industry and Trade Co., Ltd Control system and pipe valve supply and related system construction technical services.
For the paste filling mining of the remaining coal pillars under the buildings of Daizhuang coal mine, the special pipe valve for the coal mine pipeline has been developed to supplement the core of the paste filling pipeline control technology, forming three core technologies of the company's complete design, control system and pipe valve system.
In June, in Xiaotun mine of Jizhong energy, the gangue gypsum filling mining village protected coal pillar. Based on the design service, the company developed a special coal mine paste filling station control system to supplement the technical core of the paste filling control system.
In May, after 10 years of technical research, the first paste filling coal mining demonstration project of China's coal mines - layered paste filling mining of thick coal seam in Taiping Coal Mine of Jining mining group was completed and put into operation, raising the mining upper limit, and won the first prize of science and technology in Jining City in 2008.
In order to speed up the transformation of academic achievements, initiated by Professor Zhou Huaqiang, doctoral supervisor of China University of mining and technology, and with the participation of China University of mining and technology, the first domestic high-tech enterprise specializing in paste filling mining - Xuzhou Cumt Backfill Technology Co., Ltd.
Relying on the 211 discipline platform of China University of mining and technology, it has been built into the first filling mining laboratory in China. In 2007, Wu Yin, then deputy director of the Energy Bureau of the national development and Reform Commission, visited the filling laboratory.
After returning home, Professor Zhou Huaqiang, doctoral supervisor of China University of mining and technology, established the first domestic research group on coal mine paste filling in the university to devote himself to the research on filling mining technology.
Professor Zhou Huaqiang, doctoral supervisor of China University of mining and technology, sent Imperial College of technology as a visiting scholar and began to study paste filling mining technology.
