Coal Gangue Technology

Coal Gangue Technology

Sustainable and clean utilization of coal gangue activation and

However few studies have been carried out on the preparation of coal gangue based silicon fertilizer using high temperature activation technology In this study coal gangue mixed with calcium carbonate and corn stalk powder is used as a raw material to produce gangue based silicon fertilizer through high temperature activation

Image feature extraction and recognition model construction of coal and

Referring to the existing research results the technical means to realize coal gangue identification mainly include thermal infrared technology X ray natural γ ray ultrasonic and so on 8

Motion Mechanisms for Top Coal and Gangue Blocks in Longwall Top Coal

Zhang et al 2024 2024 2024 explored the mechanism of coal and gangue particles forming arch in the drawing process and proposed targeted measures aimed at reducing the probability of forming arch and improving the top coal recovery in LTCC with large mining height in an extra thick seam

Underground Disposal of Coal Gangue Backfill in China

The state of the art technologies that can realize high efficiency centralized and large scale underground backfilling of coal gangue are analyzed This paper shows that the industrial implementation of these technologies can increase the current maximum disposal capacity of coal gangue by three times reaching five million tons per year

Coal Gangue Sorting System HXS Intelligent Dry Type Separator

Coal Gangue Sorting System HXS Intelligent Dry Type Separator The coal and gangue are automatically analyzed and identified by X ray imaging system and control the high pressure wind to blow the target materials away Selected Mining Equipment Manufacturer Contractors Site map 86 28 83311885 sales English Chinese Russian

Gasification and activation behaviors of coal gangue with Na2

A method consuming CO 2 to activate coal gangue to extract aluminum is presented • 15 wt% of Na 2 CO 3 loading is the mutation point of gasification reactivity • The transformation process of minerals in gangue is studied • The gasification of carbon accelerates minerals activation •

Trace Elements in Coal Gangue A Review IntechOpen

Coal gangue is one of the largest industrial residues It has high ash content low carbonaceous content and heating value Meanwhile it has some trace elements Large quantities of coal gangue cause serious environmental problems by polluting the air water and soil as well as occupying a tremendous amount of land

Experimental Study on Deformation Characteristics of Gangue Backfill

The deformation of filling gangue during the 0 100 kN loading stage was an approximately positive S type which reflects the relative advancement in terms of deformation National Administration of Coal Geology Beijing 100039 China Wei Lu Guizhou Institute of Technology Guiyang 550003 China

Using UAV and Field Measurement Technology to Monitor the Impact MDPI

Coal gangue is an inevitable product in coal mining and processing and is the most important source of pollution in mines Vegetation restoration of coal gangue piles must consider its special site conditions Therefore we conducted unmanned air vehicle UAV temperature monitoring field investigation and experimental analysis on spontaneous combustion coal gangue piles in Lu rsquo an mining

How To Effectively Use Coal Gangue

Coal gangue is a solid waste discharged during coal mining and coal washing It is a dark gray rock with lower carbon content and harder than coal that is associated with coal seams during coal formation

Coal Gangue Sorting System—HXS Intelligent Dry Type Separator News

The Most Practical Technology in Coal Preparation Plant Why H TBS Teetered Bed Separator or Hydrosizer Comparison Between TBS Slime DMC and Spiral Separator The Factors Affecting the Moisture of Coal from Coarse Coal Centrifuge Common Faults of Horizontal Vibrating Centrifuge and Treatment Methods

Study on coal and gangue recognition method based on the combination of

DOI / Corpus ID 253071460 Study on coal and gangue recognition method based on the combination of X ray transmission and diffraction principle article{Zhao2022StudyOC title={Study on coal and gangue recognition method based on the combination of X ray transmission and diffraction principle} author={Yanqiu Zhao and Shuang Wang and Gang Cheng and Lei He

Experimental Study on the Characteristics of Activated Coal Gangue and

Coal gangue are mainly reused as supplementary materials in backfilling technology building construction energy fuel soil improvement water purification special cementitious materials etc [ 6 7 8 ]

Using Chinese Coal Gangue as an Ecological Aggregate and Its

Using Chinese Coal Gangue as an Ecological Aggregate and Its Modification A Review Materials Basel 2024 Jun 26 15 13 4495 doi /ma15134495 Authors Ying Hao 1 Xiaoning Guo 1 Xianhua Yao 1 2 Ruicong Han 1 Lielie Li 1 Min Zhang 1 Affiliations

Study on Spontaneous Combustion Characteristics of Waste Coal Gangue

The coal gangue at the depth of m gradually developed into the fire source of spontaneous combustion Due to the continuous heating by the heat generated at the depth of m and the sufficient conditions of oxygen supply and heat storage the coal gangue at the depth of m was ignited

Coal gangue detection and recognition algorithm based on deformable

Focusing on various problems in coal gangue detecting and recognising algorithms such as limited receptive field slow convergence rate and low accuracy of small particle recognition this paper proposes a coal gangue detection and recognition algorithm based on deformable convolution YOLOv3 DCN YOLOv3

Hammer Crusher Concrete Brick Crushing Equipment Limestone Hammer

Hammer Crusher Concrete Brick Crushing Equipment Limestone Hammer Crusher Coal Gangue Machine Find Complete Details about Hammer Crusher Concrete Brick Crushing Equipment Limestone Hammer Crusher Coal Gangue Machine Stone Crusher Hardness Hammer Crusher Environmental Protection Type Crusher Small Hammer Crusher/sledge Hammer Crusher Pellet Mill Metal Crusher Hammer Crusher Limestone Hammer

Influencing Factors of Interfacial Behavior between Geogrid and Coal Gangue

Coal gangue is a type of solid waste that is generated in the process of coal mining and washing This concept can be effectively used in reinforced engineering fillings The influences of shear rates and geogrid transverse ribs were studied using a large indoor direct shear test The test results showed that the relationship between shear stress and shear displacement of geogrid coal gangue

Coal Gangue Vertical Roller Mill

Coal gangue grinding adopts fluidized bed technology and when the carbon content is more than 20% it can be used as energy and can be used for power generation 2 Recovery of coal and pyrite Coal gangue adopts composite dry coal preparation hydrocyclone heavy medium separation etc

CN102561366A Vegetation recovery technology for coal gangue Google

1 stability of slope measure horizontal rank wholely are stacked technology with compacting layer by layer coal gangue hill pushes away the side slope design of loosing after smooth

coal gangue WinnerMac

Introduction of Coal Gangue Gangue also called coal gangue is the solid waste discharged in coal mining process and coal washing process black rock harder than coal Its carbon content is low and exists along with coal seam Gangue could be found in roof bottom board inter layer and it could be selected in washing process

How to Turn the Coal Gangue Into a Treasure Hongxing Machinery

Impact crusher crushes coal gangue by use of the impact or striking energy When coal gangue material enters the plate hammer zone of impact crusher it is hit and impacted by high speed rotating plate hammer Then it is constantly thrown to the counterattack device mounted on the top of the rotor

Rapid Analysis of Composition of Coal Gangue Based on Deep Learning and

Coal gangue is the main solid waste in coal mining areas and its annual emissions account for about 10% of coal production The composition information of coal gangue is the basis of reasonable utilization of coal gangue and according to the composition information of coal gangue one can choose the appropriate application scene The reasonable utilization of coal gangue can not only

Fast identification model for coal and gangue based on the improved

In the process of coal mining the coal quality is greatly reduced due to the mixing of gangue and the stacking and burning of coal and gangue can cause serious environmental pollution The fast identification of coal and gangue is an important technology for gangue sorting Considering tiny YOLO v3 has the advantages of fast running speed simple network and good effectiveness an improved

Long Term in Situ Restoration of Different Arbor in Coal Gangue Area

Keywords Phytoremediation Coal gangue pollution Heavy metals Microbial diversity Soil metabolism Suggested Citation Suggested Citation WANG Yi wang Long Term in Situ Restoration of Different Arbor in Coal Gangue Area Affected Metabolite and Bacterial Symbiosis Patterns in Vertical Soil Profiles

On the Equivalent Position Workspace for a Coal Gangue Picking Robot

Coal gangue separation is of key important for green mining Robotic separation of coal and gangue based on the machine vision system which is called a coal gangue picking robot with a gangue grab driven by four cables is developed in this study International Journal of Technology Enhancements and Emerging Engineering Research 1 31 34

Assessing Potential Spontaneous Combustion of Coal Gangue Dumps after

The main by product of coal mining is coal gangue which is an important solid waste and one of the main sources of pollution in mining areas [ 2 ] Under different mining methods and geological conditions gangue accounts for about 10 15% of the total coal production [ 3 ] Coal gangue is usually piled up forming a coal gangue dump [ 4 ]

Coal Gangue and its Application Research in Building Materials

The current statistics show coal gangue discharge is 100 million tons per year and the accumulated discharge has been as high as billion tons It comprises the largest portion of solid waste in our country Its storage not only requires valuable land resources but also pollutes the air water and soil of the storage sites resulting in waste of resources

Integrated utilization of coal gangue for synthesis of β Sialon

More comprehensive high value added utilization technology for the utilization of coal gangue have not yet been widely used for a variety of reasons Large accumulations of coal gangue currently occupy land and are prone to spontaneous combustion For the coal gangue used in this article the best synthesis conditions for the preparation of

The comprehensive utilization of the coal gangue ResearchGate

Correspondingly it has produced large quantities of mining waste including coal gangue coal sludge fly ash coal mine drainage and coal bed methane CBM that are hazardous to

Free Quotation

Incredible has successfully built lots of crushing plants, grinding plants and metal ore dressing plants for our customers.

Get a Free Quote Now