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
Testing standards for carbide slag
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Carbide Slag an overview ScienceDirect Topics
Carbide slag is a calciumrich residue that is a byproduct of ethyne gas production, containing residual minerals like magnesium, iron, and silicon It is utilized as a primary raw material in 2022年5月1日 CaC 2 reacts with water to produce acetylene and calcium carbide slag (CCS) as a solid waste for polyvinyl chloride production Approximate 40 million tons of dry CCS are Recycling and utilization of calcium carbide slag ScienceDirect2019年10月1日 A series of tests was performed to examine the properties of the treated soils, including swelling, strength, water content, Xray diffraction (XRD), scanning electron Utilization of carbide slagactivated ground granulated 2024年1月5日 A mixture of calcium carbide residue and coal fly ash with a Ca/(SiO2 + Al2O3) ratio of 15 resulted in the highest compressive strength at long curing periods in both pastes Evaluation of calcium carbide residue and fly ash as sustainable
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Desulphurization mechanism and engineering practice of carbide
While the flue gas meets the standards of China’s Environmental Air Quality Standard (GB30952012) and Integrated Emission Standard of Atmospheric Pollutants (GB162971996), it can 2024年6月6日 The compressive strength and microstructure of carbide slag and alkaliactivated blast furnace slag (CAB) pastes were examined using Xray diffraction analysis (XRD), Compressive Strength and Microstructure of Carbide Slag and 2019年5月23日 Carbide slag is used to substitute limestone to produce many chemical products, which require Ca(OH) 2 These products include calcium oxide, bleaching powder, and Comprehensive Utilization of Carbide Slag SpringerLinkIn this study, fiberstabilized carbideslagsolidified silt was adopted as the research object Based on unconfined compressive strength and indirect tensile strength tests, the effects of fiber Experimental study on engineering properties of fiberstabilized
Feasibility Study of Using Carbide Slag as InBed
2019年9月12日 In this study, the calcination and sulfation characteristics of carbide slag were investigated by three different facilities, thermogravimetric analyzer (TGA), 1 MW th pilot CFB boiler, and 690 th −1 CFB boiler Pore determine the amount of slag to be used for any given type of slag, test temperature and type of brick being tested 73 Slag Feed—After the hold temperature has been maintained for 15 min, start the slag flow and feed the slag continuously at a rate that will allow for consistent melting and dripping onto the specimensStandard Practice for Drip Slag Testing Refractory Materials at 2024年6月6日 The alkaliactivated blast furnace slag is attracting significant attention in replacing Portland cement due to several characteristics similar to cement hydration However, there are a few practical problems with commercial alkali activators, such as the fast setting time, relatively high costs, and significant CO2 emissions during preparation Thus, discovering Compressive Strength and Microstructure of Carbide Slag and Carbide slag is a calciumrich residue that is a byproduct of ethyne gas production, Several studies were carried out to test the catalytic performance of catalyst derived from carbide slag in biodiesel production which met the Chinese standard of JTG D302015 (Ministry of Transport of the People’s Republic of China, Carbide Slag an overview ScienceDirect Topics
Formation mechanism of carbide slag composite sustainedalkalinity
2021年12月10日 Carbide slag, an industrial waste, is a potential AMD treatment material due to its strong alkalinity the surface of the particles needed to be sprayed with gold for 3 min before testing2020年11月5日 The raw materials for this test mainly include red mud, carbide slag, fly ash, and natural river sand The carbide slag used in the experiment came from San You group in Tangshan, Hebei Province and the red mud came from Xin Fa group in Shandong Province The red mud was dried naturally and grated to the maximum diameter of 016 mmFrontiers Microstructure and Composition of Red MudFly Ash 2019年9月12日 Carbide slag is a waste residue during the production of acetylene Due to its high content of Ca(OH)2, carbide slag becomes a potential alternative to limestone as the inbed desulfurizer of circulating fluidized bed (CFB) boilers In this study, the calcination and sulfation characteristics of carbide slag were investigated by three different facilities, thermogravimetric Feasibility Study of Using Carbide Slag as InBed Desulfurizer in China is the largest producer and consumer of calcium carbide in the world The calcium carbide industry is an indispensable industry to support the basic life of people The huge production capacity of calcium carbide is accompanied by a large number of solid waste carbide slag Due to the immature treatment technology of carbide slag, a large number of carbide slag are stacked Resource utilization of solid waste carbide slag: a brief review of
Recycling and utilization of calcium carbide slag ScienceDirect
2022年5月1日 Coal is the dominant fuel in China to provide primary energy, and 70% of polyvinyl chloride is produced from coalbased CaC 2CaC 2 reacts with water to produce acetylene and calcium carbide slag (CCS) as a solid waste for polyvinyl chloride production Approximate 40 million tons of dry CCS are generated annually in China, among which only a 2024年9月4日 In addition, FMGP incorporating slag or carbide slag maintained a carbonation rate of approximately 320 mm/d 1/2 or less, and the pH of the pore solution after 28 days of carbonation remained (PDF) Carbonation resistance of fly ashmetakaolin based 2019年10月1日 Utilization of carbide slagactivated ground granulated blastfurnace slag to treat gypseous soil Author links open overlay panel Wentao Li a, Yaolin Yi a, Anand J Puppala b D698–12e2, Standard test methods for laboratory compaction characteristics of soil using standard effort (12 400 ftlbf/ft3 (600 kNm/m3))Utilization of carbide slagactivated ground granulated 2024年10月25日 Several studies have suggested that strongly alkaline carbide slag The water absorption test was conducted following the standard GB/T 4111–2013 After 28 days of curing, specimens were dried in an oven at a temperature of Development and property optimization of a sustainable
Carbide slag recycling to fabricate shapestable phase change
2023年4月1日 The mining and processing of traditional skeleton materials inevitably generates carbon emissions and pollutes the surrounding environment To make full use of industrial solid waste, this work innovatively used carbide slag as skeleton material and Na 2 CO 3 as phase change material (PCM) to fabricate shapestable phase change composites (SSPCCs) via the 2022年7月4日 CFB fly ash pure slurry, CFB fly ashcarbide slag composite slurry, and CFB fly ashcarbide slagphosphogypsum composite slurry were stirred according to ISO 95972008 To avoid the influence of the waterbinder ratio on the test, the water consumption of the slurry mixing was based on the maximum water consumption (27%) in the test group, and then, a 40 mm × Modification of phosphogypsum using circulating fluidized bed fly 2018年8月9日 Mu et al conducted orthogonal experiments on the preparation of mine filling materials with calcium carbide slag, blast furnace slag, fly ash, and flue gas desulfurization gypsum [8]Orthogonal Experimental Studies on Preparation of Mine 2023年7月4日 PDF Solidifying shield muck with calcium carbide slag and fly ash as curing agents was proposed as a highly efficient method for reusing waste shield Find, read and cite all the research (PDF) Stabilization of Shield Muck Treated with Calcium Carbide Slag
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Standard Practice for Rotary Slag Testing of Refractory Materials
811 Type, source, and composition of the slag, 812 Test temperature, 813 Duration of test, 814 Rate of slag feed and total amount of slag used, and 815 Any unusual test conditions, such as furnace atmosphere 82 Observations as to the condition of the specimens after testing It may be desirable to cut the specimens in half andCarbide slag is a waste residue with calcium hydroxide as the main component after hydrolysis of calcium carbide to obtain acetylene gas The use of calcium carbide slag can replace limestone to make cement, produce limestone as raw material for calcium carbide, produce chemical products, produce building materials and be used for environmental management, etcCarbide Slag Testing STEMart2024年7月1日 Carbide slag is the byproduct of industrial preparation of the acetylene gas, whose main component is calcium hydroxide (Liu et al, 2020; Philbert et al, 2021)To produce 1 ton of acetylene gas, 12–18 tons of carbide slag are produced (Altiner, 2019)China is the largest calcium carbide manufacturing country in the world, and its total emissions of carbide slag are Preparation of calcium carbonate with microstructure and 2020年11月6日 standards, plain red mud can be used as bricks at any of the and carbide slag, and to test its crucial performance, including microfeature and mechanical characteristics(PDF) Microstructure and Composition of Red MudFly AshBased
Stabilization of Shield Muck Treated with Calcium Carbide Slag
2023年7月4日 Solidifying shield muck with calcium carbide slag and fly ash as curing agents was proposed as a highly efficient method for reusing waste shield muck The compaction test, unconfined compression test, and dry–wet cycle test were used to evaluate the compressive strength, water immersion stability, and durability of the cured soil The stress–strain curve and 2024年1月1日 The detailed data sources refer to the SCOD in control test, carbide slag treatment, the NaOHtreated and the Ca The standard deviation (±) was analyzed by ANOVA in Origin 85 3 Results and discussion31 Carbide slag Two wastes into one resource: Carbide slagdriven anaerobic 2022年7月1日 Carbide slag (CS) generated through the hydrolysis of calcium carbide is a white alkaline solid waste predominantly consisting of Ca(OH) 2In China, CS emissions are continuously increasing year by year, which has reached 40 million tons in 2019 [15]CS is difficult to recycle due to its large yield, high water content, strong alkalinity (pH > 12) and some Performance of hydraulic lime by using carbide slag2024年1月26日 Stabilization of iron ore tailing with lowcarbon lime/carbide slagactivated ground granulated blastfurnace slag and coal fly ash Author links open overlay panel Xiqing Jiang a b, Lei Lang a Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort [81] ASTM D4972–13, Standard Test Method Stabilization of iron ore tailing with lowcarbon lime/carbide slag
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OrthogonalExperimentalStudiesonPreparationofMineFilling
Carbide slag (g) (C) 1 7 24 12 2 9 26 14 3 11 28 16 4 13 30 18 5 15 32 20 Table 3: Materials proportioning of the orthogonal test Number Raw materials FGD gypsum (g) GBFS (g) Carbide slag (g) Fly C76899 Standard Practice for Drip Slag Testing Refractory Materials at High Temperature (Withdrawn 2004) C87420 Standard Test Method for Rotary Slag Testing of Refractory Materials C86300(2022) Standard Test Method for Evaluating Oxidation Resistance of Silicon Carbide Refractories at Elevated TemperaturesRefractory Standards Standards Products Standards2023年2月9日 Heavy metalrich acidic soils of copper sulfide mines can easily cause harm to the surrounding environment and ecosystem safety if not treated properly Currently, the most common method of mine ecological remediation is to improve acidic soils of copper sulfide mines by adding different types of amendments In this paper, different dosages of biochar and Effect of Carbide Slag Combined with Biochar on Improving 2022年6月29日 Expansive soil encounters large changes in strength and volume with the water content alteration for rich in hydrophilic montmorillonite minerals It can be physically/chemically modified to suppress the water sensitivity by mixing with recycled industrial byproducts (iron tailing sand and calcium carbide slag in this case) as the backfilling material of subgrades for Expansive soil modified by iron tailing sand and calcium carbide slag
Preparation of a Composite Calcium Silicate Board with Carbide Slag
2020年4月10日 The freezethaw cycle test shows that a compounddoped alkali activator can effectively reduce the mass loss with the national standard, CaO in carbide slag reached 6754% followed by Al 2022年12月12日 Comprehensive performance study of aluminum ash and calcium carbide slag for brick making under ultrahigh pressure Author links open overlay panel Yuanchuan Ren a b, Zuoliang the total phosphorus test material using the national standard “GB118931989 Determination of total phosphorus in water by ammonium molybdate Comprehensive performance study of aluminum ash and calcium carbide Environmentally friendly and cheap composite green cementitious materials have been prepared from carbide slag, fly ash, fluegas desulphurisation (FGD) gypsum, and granulated Orthogonal testing was used to investigate the effects of the raw materials on the amount of water required for reaching standard consistency and consistency Orthogonal Experimental Studies on Preparation of Mine‐Filling 2014年9月12日 This study addresses the use of an industry byproduct, carbide slag (CS), to activate another industry byproduct, ground granulated blastfurnace slag (GGBS), for soft clay stabilization in comparison to Portland cement (PC) The properties of CS–GGBS stabilized clays were investigated through unconfined compressive strength (UCS) test, mercury intrusion Carbide slag–activated ground granulated blastfurnace slag for
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Comparing carbide sludgeground granulated blastfurnace slag
2022年2月1日 This experimental study investigated the use of combined industry byproducts, carbide sludge (CS) and ground granulated blastfurnace slag (GGBS), to replace ordinary Portland cement (OPC) for 2022年6月1日 Results showed that the SSPCM (sample CC6) with the mass ratio of 5:5 of carbide slag to sodium nitrate presented the best performance: sample CC6 achieved a high thermal energy storage density of 447 J/g in the range of 100–400 °C and reached a mechanical strength of 736 MPa; sample CC6 demonstrated a good thermal stability and chemical Carbide slag based shapestable phase change materials for 2019年9月30日 Carbide slag is an industrial waste produced by calcium carbide hydrolysis to prepare C 2 H 2 gas, PVC, etc [7], [8] Standard Test Method for Unconsolidated, Undrained Compressive Strength of Cohesive Soils in Triaxial Compression Google Scholar [23] S Synergic effects of electrolytic manganese residuered mudcarbide slag Download Citation On Jan 1, 2023, 海宙 姚 published Progress in Utilization of Carbide Slag Find, read and cite all the research you need on ResearchGateProgress in Utilization of Carbide Slag ResearchGate
ASTM C87411 Standard Practice for Rotary Slag Testing of
2011年1月31日 ASTM C87411 SIGNIFICANCE AND USE This test method outlines a procedure which, when appropriate evaluation methods are added, can be useful in the development of new products or in the selection of products to be used in contact with a particular slag composition A gradient exists through the test specimens that is controlled by the thermal 2024年6月1日 The drying shrinkage test was conducted by the Standard test method for drying shrinkage of mortar (JC/T 603–2004) The specimens were 25 mm × 25 mm × 280 mm in size After a 24hour curing period, the specimens were disassembled and placed in a drying curing box (20 ± 3 °C, RH: 50 % ± 4 %)Effects of calcium carbide slag on properties and carbon 2024年5月14日 8220 recorder [18] The above processes was also repeated for steel slag and calcium carbide waste 223 Gradation test The gradation test was achieved as detailed in British Standard [19, 20] with International Standard (IS) sieves for finegrained soil used 1000g of airdry subgrade soil was mixed with water to form a sediment and soakedChemical and Mechanical Characterisation of Clay Soil Stabilised 2023年8月24日 To address the scarcity of lime resources, this study explores the potential of using industrial solid waste, including fly ash (FA) and carbide slag, as replacements for lime or cement in soil Research on the Performance of Calcium Carbide Slag–Fly Ash
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Feasibility Study of Using Carbide Slag as InBed Desulfurizer in
As mentioned above, carbide slag is a promising candidate for the alternative inbed desulfurizer Carbide slag is typically a byproduct during the hydrolysis process of calcium carbide (CaC2) in the