scholarly journals Selection of materials for blast furnace injection using quality indicators

2019 ◽  
Vol 72 (1) ◽  
pp. 119-123 ◽  
Author(s):  
Alex Milton Albergaria Campos ◽  
Katia Novack ◽  
Paulo Santos Assis
Keyword(s):  
Blast Furnace ◽  
Quality Indicators ◽  
Selection Of

scholarly journals DEVELOPMENT OF INVARIANT MODELS OF NOMENCLATURE QUALITY INDICATORS OF COMPLEX TECHNICAL SYSTEM

2019 ◽  
Vol 1 (7) ◽  
pp. 53-59
Author(s):  
S. A. Nazarevich ◽  
V. G. Farafonov ◽  
A. V. Vinnichenko
Keyword(s):  
Quality Indicators ◽  
Product Innovation ◽  
Planning Horizon ◽  
Technical System ◽  
Civil Aviation ◽  
Design Documentation ◽  
Complex Technical System ◽  
Complex Technical Systems ◽  
Selection Of

The article describes the modernization of consumer characteristics, through the selection of the quality indicators nomenclature using cluster analysis, and bringing the complex technical system (CTS) model using the example of civil aviation technology (CAE) to an invariant form. Also, the article uses a methodological apparatus for assessing the degree of product innovation taking into account the total number of product technical characteristics presented by regulatory and design documentation for the products being created. The obtained characteristics were synthesized by translating consumer requirements of the main participants of the civil aviation equipment market segment. Taking into account the opinions of various consumer groups, five clusters were created and the basic structures of the model of a complex technical system were modeled. Applied technological device suitable for solving problems related to structured and classification of valuable technical characteristics with a planning horizon of 10 years various representatives of the company producing different brands of products related to complex technical systems of civil aviation equipment.

Comparison and Selection of Different Medium on the Effect of Improving Soil Deodorization

2012 ◽  
Vol 610-613 ◽  
pp. 1328-1332
Author(s):  
Zu Xin Xu ◽  
Jian Xiu Huang ◽  
Huai Zheng Li ◽  
Wei Bing Chen ◽  
Wei Gang Wang
Keyword(s):  
Blast Furnace ◽  
Pressure Drop ◽  
Blast Furnace Slag ◽  
Removal Rate ◽  
Packed Column ◽  
Combined System ◽  
Ammonia Gas ◽  
Odor Concentration ◽  
Furnace Slag ◽  
Selection Of

Based on the investigation of odor concentration of retention tank in combined system, it aim at the removal of mixed odor and pressure drop with blast furnace slag, pebble, sand as improved medium and soil as contrast through mixed odor of ammonia gas and hydrogen sulfide made in lab-scale. The results showed that the removal rate of H2S by different medium packed column becomes stable after 12 days, and 35 days for NH3. Pressure drop of each column meets with Equation Ergum and under the same condition the order is as follows: soil>sand>pebble>blast furnace slag. And the removal rate of each medium is: soil>sand>blast furnace slag. The soil is good for removal but its pressure drop is so high that it limits flow charge, thus its removal rate is the lowest. As a result, sand and pebble as the medium for soil deodorization considering pressure drop and the effect of deodorization were chosen. It turns out that the removal rate of NH3 is higher than 65% while H2S higher than 98%.

Evaluation of the quality of the management of cancer of the corpus uteri — Selection of relevant quality indicators and implementation in Belgium

2013 ◽  
Vol 131 (3) ◽  
pp. 512-519 ◽  
Author(s):  
J. Werbrouck ◽  
G. Bouche ◽  
E. de Jonge ◽  
G. Jacomen ◽  
V. D'Hondt ◽  
...  
Keyword(s):  
Quality Indicators ◽  
Corpus Uteri ◽  
Selection Of

Possibilities of Regulation of Temperature in Concrete during Hydration by Means of Selection of Suitable Input Materials

2014 ◽  
Vol 507 ◽  
pp. 199-203 ◽  
Author(s):  
Rudolf Hela ◽  
Jiri Zach ◽  
Martin Sedlmajer
Keyword(s):  
Blast Furnace ◽  
Portland Cement ◽  
Blast Furnace Slag ◽  
Hydration Heat ◽  
Concrete Hydration ◽  
Furnace Slag ◽  
Selection Of

Paper is focused on development of hydration heat in concrete in time. Possible ways of reduction of temperature during concrete hydration are mentioned. Paper presents study of possibilities of regulation temperature in concrete during hydration by selection of suitable input components. Blast furnace slag and micronized limestone were added to pure Portland cement; several variants of proportions were proposed.

Preliminary Study on Design of Biological Shielding Concrete - Selection of Binder

2016 ◽  
Vol 722 ◽  
pp. 173-177
Author(s):  
Jaroslava Koťátková ◽  
Pavel Reiterman
Keyword(s):  
Blast Furnace ◽  
Blast Furnace Slag ◽  
Nuclear Power ◽  
Blended Cement ◽  
Nuclear Radiation ◽  
Slag Cement ◽  
Volume Changes ◽  
Preliminary Study ◽  
Furnace Slag ◽  
Selection Of

The preliminary study is targeted at the design of different mixtures of biological shielding concrete for later investigation of the effects of nuclear radiation and heat on its durability. The article deals with the investigation of the properties of cement pastes prepared from two different cement types and the selection of the proper binder for biological shielding concrete. Portland cement CEM I 42.5 R was selected as the representative binder of commonly used binder for shielding concrete (e. g. in the Czech nuclear power plant Temelín) and Portland blast furnace slag cement CEM II/B-S 32.5 was chosen for its anticipated better performance. Mechanical properties and volume changes in time were studied on two sets of samples – stored in laboratory conditions, resp. in water. Results revealed higher flexural strength for pastes made from CEM II/B-S 32.5 for both storage conditions and also slightly higher compressive strength. Higher differences between the values of single samples measured in time referred to a postponed hydration process of the blended cement, which is important for slower heat evolution and lower shrinkage. The measurement of volume changes proved the expected better performance of CEM II/B-S 32.5 in terms of shrinkage. From the obtained results, the Portland blast furnace slag cement CEM II/B-S 32.5 was evaluated as the better alternative for biological shielding concrete binder.

Selection of Top 10 Quality Indicators for Nutrition Therapy

2012 ◽  
Vol 27 (2) ◽  
pp. 261-267 ◽  
Author(s):  
Cristiane Comeron Gimenez Verotti ◽  
Raquel Susana Matos de Miranda Torrinhas ◽  
Ivan Cecconello ◽  
Dan Linetzky Waitzberg
Keyword(s):  
Quality Indicators ◽  
Nutrition Therapy ◽  
Selection Of

Mathematical Model of Forecasting the Iron Ore Materials and Coke Quality Indicators

2011 ◽  
Vol 312-315 ◽  
pp. 1198-1203 ◽  
Author(s):  
A.N. Dmitriev ◽  
Yu.A. Chesnokov ◽  
G.Yu. Arzhadeeva ◽  
Yu.P. Lazebnaya
Keyword(s):  
Mathematical Model ◽  
Blast Furnace ◽  
Quality Indicators ◽  
Iron Ore ◽  
Coke Quality ◽  
Raw Materials ◽  
Blast Furnace Smelting ◽  
Furnace Technology ◽  
Furnace Smelting

The iron ore raw materials and coke quality is the basic reserve of improvement of blast furnace technology. Some of the quality indicators of iron ore raw materials and coke and their influence on the main parameters of the blast furnace smelting are considered in this paper.

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