The invention relates to a coal gangue phase analysis method based on an energy dispersion X-ray spectrum. The method includes the specific steps of firstly, analyzing the chemical composition of coal gangue through chemical analysis or X-ray spectrofluorimetry; secondly, analyzing the mineral composition of coal gangue through X-ray diffraction; thirdly, determining types of elements where energy spectrum face distribution images need to be collected; fourthly, shooting backscattered electron images and element energy spectrum face distribution images of coal gangue, and analyzing and observing composition of main phases through energy spectrum points; fifthly, designing a phase analysis method, comprehensively processing the energy spectrum distribution images of all the elements in the same area, removing noise in the analysis result, and obtaining split phase pseudocolor images and the phase analysis result of coal gangue. The phase analysis method can be used for type analysis, volume percentage content calculation and space distribution observation in coal gangue and activated coal gangue. The method is effective for both the crystalline state phase and the amorphous state phase, and is sensitive to the low-content phase.

Coal gangue phase analysis method based on energy dispersion X-ray spectrum

The invention relates to an energy dispersion X-ray spectrum-based analysis method for phases of fly ash. The method comprises the following concrete steps: (1) analyzing chemical composition of the fly ash through a chemical process or X-ray spectrofluorimetry; (2) analyzing mineral composition of the fly ash through X-ray diffraction; (3) determining the kinds of elements requiring acquisition of images of power spectrum surface distribution; (4) acquiring backscattered electron images and element power spectrum surface distribution images of the fly ash and carrying out power spectrum point analysis on main phases; and (5) designing a phase analysis method, comprehensively processing the power spectrum surface distribution images of every elements in a same area and then removing noise in analysis results so as to obtain phase-split pseudo-color images and phase analysis results of the fly ash. The phase analysis method provided by the invention is effective to both crystalline and amorphous phases and sensitive to low-content phases. The method can be used for analyzing the kinds of phases composing the fly ash, calculating the volume percentage contents of the phases and observing spatial distribution of the phases.

Energy dispersion X-ray spectrum-based analysis method for phases of fly ash

The invention discloses a purification method for quartz sand The purification method comprises the steps that firstly, quartz raw ore components are measured; secondly, quartz raw ore is crushed, and medium-large-granularity quartz particles are obtained; thirdly, the medium-large-granularity quartz particles obtained after crushing are subjected to ore grinding treatment, and fine granularity quartz particles are obtained; fourthly, the fine granularity quartz particles obtained after ore grinding treatment are subjected to ultrasonic cleaning; fifthly, the cleaned fine granularity quartz particles are subjected to classified mud removal; sixthly, the quartz particles obtained after classified mud removal are subjected to category sorting; seventhly, the quartz particles obtained after sorting are subjected to magnetic separation impurity removal; and eighthly, the quartz particles obtained after magnetic separation are subjected to iron removal treatment, and finished quartz sand products are obtained According to the above purification method for the quartz sand, through a series of purification technologies, mineral impurities containing iron, titanium and the like in the quartz sand can be effectively removed, the high-grade quartz sand products are obtained, and the production requirement for photovoltaic glass is better met

Purification method for quartz sand

The invention relates to a detection method for sphere similarity of a machine-made sand. The method comprises the following steps: 1) sampling, concretely randomly getting machine-made sand particles with a same production batch and different grades, and putting the sampled machine-made sand particles on a clean glass plate; 2) acquiring digital images, concretely shooting the sampled machine-made sand particles from different directions by using a digital camera, and acquiring the digital images of the machine-made sand particles at various directions; 3) pretreating the digital images to obtain two-dimension images; 4) acquiring the circularity of a same machine-made sand particle at various directions in the two-dimension image, and acquiring the sphere similarity of the machine-made sand particle according to the circularity at various directions; and 5) acquiring the sphere similarity of all of the sampled machine-made sand particles one by one, gathering the sphere similarity of the multiple sampled machine-made sand particles, and averaging, so as to obtain the sphere similarity of the machine-made sand particles produced in a same batch. Compared with the prior art, the method possesses the advantages of being simple, accurate, advanced and the like.

Detection method for sphere similarity of machine-made sand

Provided are a mineral element relation distribution map, a drafting method and application thereof. An element periodic table is used as a base map including 118 elements. The 118 elements include element atomic numbers and atomic weights. A certain mineral containing a certain element and the content of the element in the mineral are marked on the base map. The mineral element relation distribution map does not completely show all minerals containing the element and discovered in the natural world and newly-discovered minerals can be added. The mineral element relation distribution map may fast and easily find out the elements in various minerals.

Mineral element relation distribution map, drafting method and application thereof

A method for preparing an epoxy resin sample used for process mineralogy automatic test is disclosed. The method includes selecting an ore pulp sample having an amount sufficient to prepare the epoxyresin sample in a beneficiation-metallurgy combination process; allowing the ore pulp to stand; drawing out and abandoning liquid supernatant; adding absolute alcohol into ore particles; fully stirring the mixture; allowing the mixture to stand until ore particles are completely settled; adding pure graphite powder having a particle size of 7-10 microns into the ore particles, left after liquid supernatant is removed, immersed in the absolute alcohol, with the volume of the graphite powder being two times of volume of the wet ore particles; then adding absolute alcohol into the mixed solid tofully immerse the mixed solid; performing ultrasonic vibration mixing for 20-30 min; subjecting the solid suspension consisting of the absolute alcohol, the ore particles and the graphite to filtration or suction filtration; and subjecting slightly wet ore particle-graphite mixed solid after filtration or suction filtration to epoxy resin inlaying. The ore particles in a fine-particle process mineralogy sample liable to agglomerate and flocculate is substantially free of agglomeration.

A method for preparing an epoxy resin sample used for process mineralogy automatic test

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A method for preparing an epoxy resin sample used for process mineralogy automatic test