Research and Application on Environmental Protection Technology of Abandoned Coal Slurry to Fill Mined-out Area
YANG Jian-ping
Abstract：According to the environment characteristics of the gob in coal mines ,analyses the basic characteristic of the coal slurry ,research using coal slurry filling mined‐out area method ,and the key technology of concrete. Key research includes the coal slime w ater treatment technology ,coal slurry filling technology and comprehensive treatment and technological (gob collapse ,gob ignition ,gob wa‐ter) ,recycling of slime water ,mining area environmental protection ,etc.Integrated innovation the for the first time the implementation of long‐distance conveying coal gob filling technology ,the slurry wa‐ter balance was achieved by dewatering recycling. Effectively solve the abandoned gob spontaneous combustion because of air leakage ,coal processing ,because of the collapse and gob governance prob‐lems such as water filling ,reduced the surface collapse ,save land and protect the ecologic environ‐ment.
Keywords：discardcoal slurrygobcyclic utilizationecological environmental protection
Publication Date：2015-11-16
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 41-45,25 )