MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Wuxi aluminum ash, overhaul slag, aluminum electrolyte grinding equipment
电解铝大修渣处置研究进展
2023年4月25日 This article analyzes and summarizes the composition and hazards of the overhaul slag and the current development status of domestic and international electrolytic 2023年8月1日 The dissolution behaviors of overhaul slag were fitted by a mass transfer model to obtain the dissolution parameters including dissolution capacity and dissolution rate This work Dissolution behavior of overhaul slag from aluminum reduction 摘要 《国家危险废物名录 (2021年版)》明确规定了铝冶炼企业产生的大修渣、残阳极、铝灰、二次铝灰、烟尘等均为危险废物,在行业内引起了较大反响为了对铝冶炼企业固体废物的特征及环 我国铝冶炼企业固体废物的指纹特征及毒性【维普 Aluminum ash thermal treatment technology Aluminum ash is produced in the process of molten aluminum, mainly including: primary aluminum production (electrolytic aluminum), aluminum Jingwei Science and Technology Industry
CNA Treatment method for recovering aluminum
The invention discloses a treatment method for recovering aluminum by combining aluminum ash and aluminum slag with overhaul slag, which comprises the following steps: 1 respectively2022年12月12日 In this paper, the first ultrahigh pressure contact molding technology was used to prepare highperformance building materials with aluminum ash and calcium carbide slag Comprehensive performance study of aluminum ash and calcium 2022年12月12日 In this paper, the ultrahigh pressure contact molding technology is used for the first time to prepare highperformance building materials with aluminum ash and calcium Comprehensive performance study of aluminum ash and calcium With the rapid development of aluminium smelting industry in China, millions of tons of hazardous wastes such as carbon slag, overhaul slag and aluminum ash are generated every yearPresent situation of production, utilization and disposal of
Original Aluminum Ash Coating Based on ResearchGate
Aluminum ash, also known as aluminum slag, is a byproduct of aluminum electrolysis and aluminum smelting According to statistics, 1 ton of aluminum will produce 180–290 kg of 2023年4月25日 This article analyzes and summarizes the composition and hazards of the overhaul slag and the current development status of domestic and international electrolytic Research Progress of Electrolytic Aluminum Overhaul Slag Disposal2023年4月25日 大修渣作为电解铝行业的主要固体废弃物，含有大量的危害物质，如何对其无害化处理并高效回收其中有价值物质，是近些年铝行业亟待解决的难题。本文分析总结了大修渣的成分、危害及目前国内外电解铝大修渣处置的发 电解铝大修渣处置研究进展electrolytic aluminum production process, including waste cathode carbon block, waste anode material Generally, electrolytic aluminum production enterprises will overhaul the electrolytic cell every five years, with a large amount of waste generated in this process Electrolytic aluminum scrap mainly contains NaF, Na 3 AlF 6, CaF 2Research on the Coprocessing of Mixed Electrolytic Aluminum
CNA Treatment method for recovering aluminum from aluminum
The invention discloses a treatment method for recovering aluminum by combining aluminum ash and aluminum slag with overhaul slag, which comprises the following steps: 1 respectively processing and utilizing aluminum ash and overhaul residues, preparing waste aluminum ash powder and cathode powder with the particle size of more than 80 meshes, and crushing The invention relates to the technical field of electrolytic aluminum waste treatment equipment, in particular to a wet grinding system for overhaul residues of an aluminum electrolytic cell, which comprises a base, wherein a wet ball mill and a negative pressure machine are arranged on the base, the base is fixedly connected with a pillar, the pillar is fixedly connected with a tube box, CNA Wet grinding system for aluminum electrolysis 2022年12月12日 Based on the research on bulk solid waste contact molding technology by our team [49], the comprehensive performance of pressed bricks with different ratios of aluminum ash and calcium carbide slag was investigated, the ratios of aluminum ash and calcium carbide slag are 9:1 ∼ 1:9 and pure aluminum ash and calcium carbide slag, the pressing pressure is 300 Comprehensive performance study of aluminum ash and calcium 2022年10月9日 Where, γ c refers to the yield of flotation concentrate (%); A c (%) and A f (%) are the ash content of flotation concentrate and feed material, respectively 3 Results and discussion 31 Characterization of raw carbon anode slag The cumulative particle size result is shown in Figure 1From Figure 1, the content of fraction size of 0125 mm–0074 mm (3076%) Recovery of carbon and cryolite from spent carbon anode slag of
Recycling and Utilization of the Electrolytic Aluminium Ash and Slag
Aluminium ash and slag are produced from molten slag cooling in the electrolytic aluminium production process,the recycling and utilization of the electrolytic aluminium ash and slag is attracting more and more attention at home and abroad for their valuable components such as 10%30% aluminium and 30% Al2O3The recovery utilization and technology of advantages On August 2nd, China Nonferrous Metals Industry Association organized an expert meeting on scientific and technological achievements in Kunming, Yunnan Province, and completed the "electrolytic aluminum overhaul slag" jointly completed by Zhengzhou Hongyue Environmental Protection Technology Co, Ltd, Hunan Zhongda Metallurgical Design Co, Ltd and Electrolytic aluminum overhaul slag harmless technology2020年8月1日 Then TC coal, GT coal, and aluminum ash were separately fed into a steel ball mill for grinding, and the particle size was sieved below 200 μm The content of Analysis equipment of ash deposit SEM (ZEISS Gemini SEM With the addition of aluminum ash, the slag type is also converted into weakly condensed slag at an addition Evaluation of aluminum ash in alleviating the ash deposition of 2020年11月23日 According to the investigation, the production of aluminum ash and slag accounts for about 7% to 12% of the recycled aluminum output, and the metal aluminum content is between 10% and 30% Recycling aluminum ash and slag can not only reduce the waste of resources, but also produce considerable economic benefitsRecycling and utilization of the aluminum ash and slag Mineral
Aluminium dross processing/Brightstar Aluminum
The aluminum dross skimming from the smelting furnace is called primary aluminum dross, which is graywhite in appearance, mainly composed of a mixture of metallic aluminum and aluminum oxide, and the aluminum content 2022年2月28日 Because overhaul slag contains soluble fluoride and cyanide with high toxicity, if not properly disposed, it will mix with rainwater into rivers, penetrate into underground water sources, pollute surface water sources, and cause great harm to the ecological environment, so the harmless treatment of overhaul slag has become one of the major problems to be solved Four processes of electrolytic aluminum overhaul slag treatment Henan Hehong Machinery is an enterprise engaged in ball mills, rod mills, ball presses, aluminum ash equipment, steel slag equipment, mineral processing equipment, and other equipment +86Ball Mill, Rod Mill, Ball Press, Aluminum Ash Equipment hehongThe invention provides a method for treating cyanide in overhaul residues of an aluminum electrolytic cell, which comprises the following steps: A) selecting one or more of insulating bricks, refractory bricks and antiseepage materials in the overhaul slag of the aluminum electrolytic cell to obtain mixed initial raw materials, and grinding the initial mixed raw materials into powder to CNA Method for treating cyanide in overhaul slag of aluminum
The Utilization Technology Analysis Of Secondary Aluminum Ash
2021年10月27日 Due to the huge output of secondary aluminum ash, the current annual output of secondary aluminum ash alone in the country’s electrolytic aluminum enterprises has reached 2 million tons Whether it is using aluminum ash to produce steel claw protection rings or brown corundum abrasives, they are facing product consumption problems2024年2月1日 Overhaul slag, as one of the main hazardous solid wastes generated in the electrolytic aluminum, has high research value [12]The electrolytic cell lining is eroded by continuous chemical corrosion of hightemperature molten metal and salt, resulting in expansion and peeling off, leading to low production efficiency and degradation of performance [13]A novel approach for extracting lithium from overhaul slag by low The invention relates to the technical field of solid waste recycling, and discloses a recycling treatment method of aluminum electrolysis overhaul slag, which comprises the steps of crushing the aluminum electrolysis overhaul slag, adding a fluorine removing agent, grinding and homogenizing to obtain a mixture; mixing water with acid to prepare acid liquor; mixing the CNB Resource treatment method for aluminum A process for reclaiming the used liner of aluminum electrolyzer includes such steps as crushing, mixing it with powdered coal ash and calcium lime, grinding, sphericizing, calcining, grinding, immersing in lime milk for removing residual soluble Fe ions, and filtering to obtain NaOH solution and the dregs used as the raw material to prepare cement and A Treatment of aluminum electrolyticcell waste
What Equipment Is Used To Process 120 Meshes Of Secondary Aluminum Ash
The process is to first remove iron from the secondary aluminum ash, and then transport it to the feeding port of the crushing, grinding and screening machine through the automatic conveyor, screen out the granular aluminum and fine ash, and automatically transport the fine ash to the silo on the top of the 10T high temperature calciner for use, and the granular aluminum enters the Aluminum ash is a large amount of industrial solid waste produced by the electrolytic aluminum industry, and calcium carbide slag is an alkaline industrial solid waste produced by the energy industry Both of them will cause serious pollution risks to the environment Its harmless and resourcebased treatment has become one of the main research prehensive performance study of aluminum ash and calcium The invention discloses equipment for refining electrolyte and utilizing aluminum ash from carbon slag of an electrolytic cell, which comprises a base, wherein four corners of the upper end of the base are respectively fixed with a first supporting rod, two first supporting rods on the same side form a group, the upper ends of the two first supporting rods in the same group are jointly fixed CNB Equipment and method for refining electrolyte The invention discloses a method for recovering cryolite by combined treatment of aluminum electrolysis overhaul residues and aluminum ash, and relates to an aluminum electrolysis solid waste treatment technology The method comprises the following steps: (1) soaking overhaul residues in water and acid; (2) soaking aluminum ash in water; (3) alkaline leaching of CNA Method for recovering cryolite by Google
CNA Method and system for preparing Google
The invention relates to the technical field of overhaul slag treatment, and particularly discloses a method for preparing alternative fuel by using overhaul slag of an aluminum electrolytic cell, which specifically comprises the following steps: step S1: crushing overhaul residues into small particles with the particle size of less than 15 mm; step S2: and (3) proportioning the carbonbased Coal fly ash (CFA), an industrial byproduct of hightemperature combustion of coal in coalfired power plants, is one of the most complex and largest amounts of industrial solid wastes generated in China It is widely recognized that CFA should be considered as a potential alumina resource to substitute bauxite In this review, the features of highalumina fly ash and aluminum recovery Aluminum extraction technologies from high aluminum fly ash De Gruyter2021年10月1日 And all aluminum electrolysis production ensures that the cryolite ratio of aluminum electrolyte is below 30, and the electrolyte is called an acid electrolyte Based on publicly reported literature, LiF exists as Na 2 LiAlF 6 in the acid electrolyte, whereas LiF exists as its entity for cryolite ratio greater than or equal to 30 ( Gao et al, 2002 ; Li, 2009 , Zhang and A novel approach for lithium recovery from waste lithium The invention relates to the technical field of environmentfriendly solid waste treatment, and particularly provides a method for synergistically recycling aluminum electrolysis overhaul slag and mining and metallurgy waste slag, which comprises the following steps: crushing the aluminum electrolysis overhaul slag, and uniformly mixing the crushed aluminum electrolysis CNA Method for cooperative recycling of aluminum
Electrolytic cell spent lining Fig 2 Overhaul slags of the
During a longterm operation of the aluminum electrolysis cell, the molten salts continuously infiltrate and corrode the pot lining, resulting in a huge amount of hazardous waste after the overhaulThe method not only can solidify fluorine in the electrolytic aluminum overhaul residues, but also can adjust the pH value of the electrolytic aluminum overhaul residues, so that higher requirements can be met, for example, hazardous waste landfill pollution control standard (GB/T185982019), and harmless electrolytic aluminum overhaul residues can be further A Harmless electrolytic aluminum overhaul slag 2021年11月22日 The secondary aluminum ash of electrolytic aluminum is a hazardous waste containing a large amount of toxic and hazardous substances such as fluoride, cyanide, aluminum carbide dies, and aluminum nitride, and its treatment has always been a research focus in the electrolytic aluminum industry The traditional landfill and storage methods have been bannedThe Utilization Technology Analysis Of Secondary Aluminum Ash 2022年2月28日 Because overhaul slag contains soluble fluoride and cyanide with high toxicity, if not properly disposed, it will mix with rainwater into rivers, penetrate into underground water sources, pollute surface water sources, and cause great harm to the ecological environment, so the harmless treatment of overhaul slag has become one of the major problems to be solved Four processes of electrolytic aluminum overhaul slag treatment
电解铝大修渣处置研究进展
2023年4月25日 大修渣作为电解铝行业的主要固体废弃物，含有大量的危害物质，如何对其无害化处理并高效回收其中有价值物质，是近些年铝行业亟待解决的难题。本文分析总结了大修渣的成分、危害及目前国内外电解铝大修渣处置的发 electrolytic aluminum production process, including waste cathode carbon block, waste anode material Generally, electrolytic aluminum production enterprises will overhaul the electrolytic cell every five years, with a large amount of waste generated in this process Electrolytic aluminum scrap mainly contains NaF, Na 3 AlF 6, CaF 2Research on the Coprocessing of Mixed Electrolytic Aluminum The invention discloses a treatment method for recovering aluminum by combining aluminum ash and aluminum slag with overhaul slag, which comprises the following steps: 1 respectively processing and utilizing aluminum ash and overhaul residues, preparing waste aluminum ash powder and cathode powder with the particle size of more than 80 meshes, and crushing CNA Treatment method for recovering aluminum from aluminum The invention relates to the technical field of electrolytic aluminum waste treatment equipment, in particular to a wet grinding system for overhaul residues of an aluminum electrolytic cell, which comprises a base, wherein a wet ball mill and a negative pressure machine are arranged on the base, the base is fixedly connected with a pillar, the pillar is fixedly connected with a tube box, CNA Wet grinding system for aluminum electrolysis
Comprehensive performance study of aluminum ash and calcium
2022年12月12日 Based on the research on bulk solid waste contact molding technology by our team [49], the comprehensive performance of pressed bricks with different ratios of aluminum ash and calcium carbide slag was investigated, the ratios of aluminum ash and calcium carbide slag are 9:1 ∼ 1:9 and pure aluminum ash and calcium carbide slag, the pressing pressure is 300 2022年10月9日 Where, γ c refers to the yield of flotation concentrate (%); A c (%) and A f (%) are the ash content of flotation concentrate and feed material, respectively 3 Results and discussion 31 Characterization of raw carbon anode slag The cumulative particle size result is shown in Figure 1From Figure 1, the content of fraction size of 0125 mm–0074 mm (3076%) Recovery of carbon and cryolite from spent carbon anode slag of Aluminium ash and slag are produced from molten slag cooling in the electrolytic aluminium production process,the recycling and utilization of the electrolytic aluminium ash and slag is attracting more and more attention at home and abroad for their valuable components such as 10%30% aluminium and 30% Al2O3The recovery utilization and technology of advantages Recycling and Utilization of the Electrolytic Aluminium Ash and SlagOn August 2nd, China Nonferrous Metals Industry Association organized an expert meeting on scientific and technological achievements in Kunming, Yunnan Province, and completed the "electrolytic aluminum overhaul slag" jointly completed by Zhengzhou Hongyue Environmental Protection Technology Co, Ltd, Hunan Zhongda Metallurgical Design Co, Ltd and Electrolytic aluminum overhaul slag harmless technology
Evaluation of aluminum ash in alleviating the ash deposition of
2020年8月1日 Then TC coal, GT coal, and aluminum ash were separately fed into a steel ball mill for grinding, and the particle size was sieved below 200 μm The content of Analysis equipment of ash deposit SEM (ZEISS Gemini SEM With the addition of aluminum ash, the slag type is also converted into weakly condensed slag at an addition 2020年11月23日 According to the investigation, the production of aluminum ash and slag accounts for about 7% to 12% of the recycled aluminum output, and the metal aluminum content is between 10% and 30% Recycling aluminum ash and slag can not only reduce the waste of resources, but also produce considerable economic benefitsRecycling and utilization of the aluminum ash and slag Mineral