Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-7-12-16
B. L. Krasnyi, N. A. Makarov, K. Ikonnikov, D. D. Bernt, A. Sizova, A. Galganova, O. I. Rodimov
The technology of 3D printing of large-format ceramic refractories used in thermal units and in refractory equipment has been developed. The proposed technology makes it possible, due to the capillary effect at the grain boundary in printed layers, to achieve very high interlayer cohesion and thereby obtain ceramic refractory products not limited by geometric dimensions and shape, including the finished lining of any thermal units.
{"title":"Technology of manufacturing large-format ceramic refractory products of different composition and structure by 3D printing. Part 1. The principle of form building","authors":"B. L. Krasnyi, N. A. Makarov, K. Ikonnikov, D. D. Bernt, A. Sizova, A. Galganova, O. I. Rodimov","doi":"10.17073/1683-4518-2023-7-12-16","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-7-12-16","url":null,"abstract":"The technology of 3D printing of large-format ceramic refractories used in thermal units and in refractory equipment has been developed. The proposed technology makes it possible, due to the capillary effect at the grain boundary in printed layers, to achieve very high interlayer cohesion and thereby obtain ceramic refractory products not limited by geometric dimensions and shape, including the finished lining of any thermal units.","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139200550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-7-60-64
A. V. Belyakov, V. I. Vereshchagin, I. Kashcheev, K. Zemlyanoi
.
.
{"title":"The state of higher education of silicate technologists in the Russian Federation at the present stage","authors":"A. V. Belyakov, V. I. Vereshchagin, I. Kashcheev, K. Zemlyanoi","doi":"10.17073/1683-4518-2023-7-60-64","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-7-60-64","url":null,"abstract":"<jats:p>.</jats:p>","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139206507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-8-3-8
E. R. Akhtyanmov, R. M. Akhmed’yanov, G. F. Averina, E. A. Gamalii
The specifics of the technology of production of products and structures made of heat-resistant concrete are considered. The main disadvantages of the production of ready-made mixtures of heat-resistant concrete directly on the construction site are highlighted. The expediency of using dry mixtures of heat-resistant concrete to ensure the proper quality of products and structures is argued. The technological aspects of manufacturing ready-to-use mixtures based on semi-finished products in the conditions of a construction site are described. Examples of successful application of heat-resistant concrete made from dry mixes at industrial facilities of the Russian Federation and Kazakhstan are given.
{"title":"Experience and prospects of expanding the use of dry mixes in the manufacture of heat-resistant concretes","authors":"E. R. Akhtyanmov, R. M. Akhmed’yanov, G. F. Averina, E. A. Gamalii","doi":"10.17073/1683-4518-2023-8-3-8","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-8-3-8","url":null,"abstract":"The specifics of the technology of production of products and structures made of heat-resistant concrete are considered. The main disadvantages of the production of ready-made mixtures of heat-resistant concrete directly on the construction site are highlighted. The expediency of using dry mixtures of heat-resistant concrete to ensure the proper quality of products and structures is argued. The technological aspects of manufacturing ready-to-use mixtures based on semi-finished products in the conditions of a construction site are described. Examples of successful application of heat-resistant concrete made from dry mixes at industrial facilities of the Russian Federation and Kazakhstan are given.","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139197442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-6-52-61
S. E. Punenkov, Yu.S. Kozlov
The article considers the issue of resource conservation and integrated development of deposits, involvement in the processing of such ore rocks as gabbro-diabase Bazhenov deposit, this has reduced the environmental burden and the costs of dumping and reclamation. Melting of Bazhenov gabbro-diabase makes it possible for the industry to obtain a new product ― basalt (stone) wool. It is a good heat- and sound-proof, fireproof material for the construction industry, on its basis a unique hydroponic substrate is produced with its wide application in agriculture.. Increasing the complexity of processing mineral resources is an opportunity to receive additional profit for the enterprise due to new types of products.
{"title":"Research in the field of diversification of product of chrysotile industry - metallurgy and production of mineral fiber","authors":"S. E. Punenkov, Yu.S. Kozlov","doi":"10.17073/1683-4518-2023-6-52-61","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-6-52-61","url":null,"abstract":"The article considers the issue of resource conservation and integrated development of deposits, involvement in the processing of such ore rocks as gabbro-diabase Bazhenov deposit, this has reduced the environmental burden and the costs of dumping and reclamation. Melting of Bazhenov gabbro-diabase makes it possible for the industry to obtain a new product ― basalt (stone) wool. It is a good heat- and sound-proof, fireproof material for the construction industry, on its basis a unique hydroponic substrate is produced with its wide application in agriculture.. Increasing the complexity of processing mineral resources is an opportunity to receive additional profit for the enterprise due to new types of products.","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139198593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-6-3-7
Z. Kadyrova, I. K. Shokosimov, M. Kazakova
The results of studies on the determination of the iron-bearing phase of trachybasalt porphyrite of the Karabulak site of the Gavasay deposit of Uzbekistan and their suitability for obtaining basalt fiber by the method of Mössbauer spectroscopy are presented. It has been established that on the basis of this igneous rock it is possible to obtain a continuous basalt fiber without corrective additives for heat-insulating materials.
{"title":"Establishment of the iron-containing phase of the gavasaia porphyrite by the method of mössbauer spectroscopy for obtaining basalt fibers","authors":"Z. Kadyrova, I. K. Shokosimov, M. Kazakova","doi":"10.17073/1683-4518-2023-6-3-7","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-6-3-7","url":null,"abstract":"The results of studies on the determination of the iron-bearing phase of trachybasalt porphyrite of the Karabulak site of the Gavasay deposit of Uzbekistan and their suitability for obtaining basalt fiber by the method of Mössbauer spectroscopy are presented. It has been established that on the basis of this igneous rock it is possible to obtain a continuous basalt fiber without corrective additives for heat-insulating materials.","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139198891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-6-8-12
V. I. Matyukhin, A. V. Matyukhina
The widespread use in the industry of mine furnaces of the wagon type requires the organization of management of their gasdynamic and thermal regime. In the mode of operation of a cupola with an open grate, its thermal mode is characterized mainly by the peripheral movement of gases with a significant difference in the ratio of heat capacities of gas flows and materials. The use of forced removal of exhaust gases from the shaft furnace contributes to an earlier transition from a peripheral to a predominantly central movement mechanism. By increasing the degree of rarefaction on the grate to 0,71‒0,73 bar, it is possible to increase the level of melt temperature, temperature pressure and air blast flow, exhaust gas temperature while improving the conditions of heat exchange between gases and heated materials. This process will be accompanied by a continuous decrease in the productivity of the unit with an improvement in the stability of the melting process. A further increase in the level of rarefaction on the grate contributes to the gradual transition of the mechanism of movement of gases from the peripheral to the central one with a deterioration in the parameters of the wagon melting.
{"title":"Changing the working conditions of the mineral wool cupola during the transition from an open type to a closed one","authors":"V. I. Matyukhin, A. V. Matyukhina","doi":"10.17073/1683-4518-2023-6-8-12","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-6-8-12","url":null,"abstract":"The widespread use in the industry of mine furnaces of the wagon type requires the organization of management of their gasdynamic and thermal regime. In the mode of operation of a cupola with an open grate, its thermal mode is characterized mainly by the peripheral movement of gases with a significant difference in the ratio of heat capacities of gas flows and materials. The use of forced removal of exhaust gases from the shaft furnace contributes to an earlier transition from a peripheral to a predominantly central movement mechanism. By increasing the degree of rarefaction on the grate to 0,71‒0,73 bar, it is possible to increase the level of melt temperature, temperature pressure and air blast flow, exhaust gas temperature while improving the conditions of heat exchange between gases and heated materials. This process will be accompanied by a continuous decrease in the productivity of the unit with an improvement in the stability of the melting process. A further increase in the level of rarefaction on the grate contributes to the gradual transition of the mechanism of movement of gases from the peripheral to the central one with a deterioration in the parameters of the wagon melting.","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139199688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-7-65-73
G. G. Gavrik
.
.
{"title":"XX International conference of refractorists and metallurgists (18‒19 May 2023, Moscow)","authors":"G. G. Gavrik","doi":"10.17073/1683-4518-2023-7-65-73","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-7-65-73","url":null,"abstract":"<jats:p>.</jats:p>","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139201200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-9-34-38
P. M. Pletnev, E. S. Semantsova
Experimental results of the formation of the structure of a ceramic composite of the Al2O3‒ZrO2 system with the formation of strontium hexaaluminate, a reinforcing element of the material, during firing, are presented. It is shown that a uniform distribution of lamellar crystals of strontium hexaaluminate over the volume of the structure and a 30 % increase in strength is achieved during its synthesis during the firing of ceramics with the introduction of pre-synthesized strontium zirconate (precursor) into the charge. The introduction of pre-synthesized strontium hexaaluminate into the composition of the composite charge, followed by mixing and grinding, does not provide the effect of hardening the composite.
{"title":"Formation of the structure of a ceramic composite of the Al2 O3 ‒ZrO2 system during the synthesis of strontium hexaaluminate during firing","authors":"P. M. Pletnev, E. S. Semantsova","doi":"10.17073/1683-4518-2023-9-34-38","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-9-34-38","url":null,"abstract":"Experimental results of the formation of the structure of a ceramic composite of the Al2O3‒ZrO2 system with the formation of strontium hexaaluminate, a reinforcing element of the material, during firing, are presented. It is shown that a uniform distribution of lamellar crystals of strontium hexaaluminate over the volume of the structure and a 30 % increase in strength is achieved during its synthesis during the firing of ceramics with the introduction of pre-synthesized strontium zirconate (precursor) into the charge. The introduction of pre-synthesized strontium hexaaluminate into the composition of the composite charge, followed by mixing and grinding, does not provide the effect of hardening the composite.","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139197170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.17073/1683-4518-2023-7-3-7
Yu. A. Puzyrev, V. V. Yakimovskii
The duration of converter campaigns has increased significantly due to improvements in steel smelting technology, quality of used refractories, lining design, as well as due to various ways of maintaining the lining in working condition during the campaign (hot repair).
{"title":"New technological techniques for local repair of worn sections of the converter lining","authors":"Yu. A. Puzyrev, V. V. Yakimovskii","doi":"10.17073/1683-4518-2023-7-3-7","DOIUrl":"https://doi.org/10.17073/1683-4518-2023-7-3-7","url":null,"abstract":"The duration of converter campaigns has increased significantly due to improvements in steel smelting technology, quality of used refractories, lining design, as well as due to various ways of maintaining the lining in working condition during the campaign (hot repair).","PeriodicalId":19463,"journal":{"name":"NOVYE OGNEUPORY (NEW REFRACTORIES)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139200603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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