The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 12, 2021

Filed:

Apr. 01, 2019
Applicants:

China University of Mining and Technology, Jiangsu, CN;

Xuzhou Zhongkuang Backfilling & Mining Technology Co., Ltd., Jiangsu, CN;

Inventors:

Jixiong Zhang, Jiangsu, CN;

Qiang Zhang, Jiangsu, CN;

Zhongyu Wu, Jiangsu, CN;

Feng Ju, Jiangsu, CN;

Jiaqi Wang, Jiangsu, CN;

Yang Chen, Jiangsu, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21F 15/00 (2006.01); E21C 41/18 (2006.01); E21C 39/00 (2006.01); E21F 15/06 (2006.01);
U.S. Cl.
CPC ...
E21C 41/18 (2013.01); E21F 15/00 (2013.01); E21C 39/00 (2013.01); E21F 15/005 (2013.01); E21F 15/06 (2013.01);
Abstract

A mine exploitation method based on stoping, separation and filling control is disclosed herein. The method includes deploying a gangue-less coal mining system; choosing a suitable coal and gangue separation method according to a separation requirement; choosing a suitable filling method according to mine geology, production conditions and rock stratum control requirement; reversely calculating a filling rate according to gangue discharge requirement and control indexes by utilizing theoretical calculation, simulation and experiment; determining a filling process and a separation process according to the filling rate; and feeding back and adjusting the filling process and separation process parameters by monitoring filling and control effect indexes.


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