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Development of an Ultralarge System for Dry Coke Quenching 超大型干焦淬火系统的研制
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601337
Lie Xu, Dong Han, Xiaoguang Zhang, Gaifeng Xue, Haiwen Huo, Qi Wang, Qiaonan Shi, Jian Kang
{"title":"Development of an Ultralarge System for Dry Coke Quenching","authors":"Lie Xu,&nbsp;Dong Han,&nbsp;Xiaoguang Zhang,&nbsp;Gaifeng Xue,&nbsp;Haiwen Huo,&nbsp;Qi Wang,&nbsp;Qiaonan Shi,&nbsp;Jian Kang","doi":"10.3103/S1068364X25601337","DOIUrl":"10.3103/S1068364X25601337","url":null,"abstract":"<p>The theoretical analysis, integrated innovation, and practical aspects associated with the development and introduction of an ultralarge system for the dry quenching of coke by Huatai (China) are outlined in the present work, along with the results of the new system’s operation. The innovative approaches to optimizing the industrial processes are also noted; an example is the venting of exhaust gases from the coke discharge system in an annular air duct. The operational characteristics of a demonstration quenching system of productivity 250 t/h are as follows: the temperature difference <i>T</i><sub>3</sub> – <i>T</i><sub>4</sub> in the cooling zone is less than 50°C; the temperature of the coke obtained is less than 150°C; the gas consumption in coke quenching is less than 1250 m<sup>3</sup>/t; the thermal efficiency of the system is 90%; and the productivity of the aspiration system is 20% less than for the standard design.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 11","pages":"915 - 923"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147579359","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}
引用次数: 0
System for Processing Tuva Caking Coal to Obtain Coal–Water Fuel for Local Use 图瓦结块煤加工制取当地使用的水煤燃料系统
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601362
G. R. Mongush, V. I. Murko, V. I. Karpenok, V. I. Fedyaev, M. P. Baranova, H. B. Badarchi
{"title":"System for Processing Tuva Caking Coal to Obtain Coal–Water Fuel for Local Use","authors":"G. R. Mongush,&nbsp;V. I. Murko,&nbsp;V. I. Karpenok,&nbsp;V. I. Fedyaev,&nbsp;M. P. Baranova,&nbsp;H. B. Badarchi","doi":"10.3103/S1068364X25601362","DOIUrl":"10.3103/S1068364X25601362","url":null,"abstract":"<p>The development of a system for processing Tuva caking coal to obtain coal–water fuel for local use is considered; its economic and environmental benefits are assessed. An important benefit is that harmful emissions (NO<sub><i>x</i></sub>, SO<sub>2</sub>, CO, polycyclic aromatic hydrocarbons, dust) are decreased by a factor of 1.3–3.0 relative to traditional coal combustion. That is important for coal-dependent regions. Another is that low-grade coal in the 0–3(6) mm class may be utilized. The new technology offers the prospect of expanding the resource base and reducing the overall environmental burden. The proposed processing system includes a crushing and sorting unit, a production unit for coal–water fuel, a boiler (5 MW) and a mini cogeneration plant (6 MW). The use of coal–water fuel reduces coal consumption by 41 600 t/yr, with financial savings of up to 145.8 million rub/yr. This project may serve as a model for other Russian coal regions in terms of transition to a stable power system with limited emissions.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 11","pages":"938 - 943"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147579368","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}
引用次数: 0
Production and Properties of Ni–Pt/C Composites with a Sapropelic Coal Matrix 腐泥煤基Ni-Pt /C复合材料的制备及性能研究
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601349
E. S. Parshkova, N. S. Zakharov, A. N. Prigorodova  (, ), G. Yu. Simenyuk, I. Yu. Zykov, V. D. Volkov
{"title":"Production and Properties of Ni–Pt/C Composites with a Sapropelic Coal Matrix","authors":"E. S. Parshkova,&nbsp;N. S. Zakharov,&nbsp;A. N. Prigorodova \u0000 (,&nbsp;),&nbsp;G. Yu. Simenyuk,&nbsp;I. Yu. Zykov,&nbsp;V. D. Volkov","doi":"10.3103/S1068364X25601349","DOIUrl":"10.3103/S1068364X25601349","url":null,"abstract":"<p>Activated sapropelic coal is proposed as the matrix for the creation of the catalytic composite Ni–Pt/C, which is generally obtained by applying Ni–Pt nanoalloy particles to a highly porous carbon support. Both immobilized and free Ni–Pt particles are considered. X-ray phase analysis shows that the reduction of the precursors Ni(II) and Pt(IV)—in the form of the complex [PtCl<sub>6</sub>]<sup>2–</sup>—by an alkaline hydrazine hydrate solution yields two products: particles of a solid solution based on an fcc structure containing ∼10 at % nickel; and pure nickel particles. The carbon carrier employed determines the composition and structure of the nanoparticles formed at the surface. In particular, the nickel content in the solid solution increases to ∼50 at %; and the NiPt intermetallic phase is formed directly as crystals of L1<sub>0</sub> structure. The gas mixture formed in catalytic decomposition of the hydrazine hydrate solution at the surface of the Ni–Pt/C composite consists mainly of nitrogen (77%); the remainder is hydrogen (23%).</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 11","pages":"924 - 929"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147579356","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}
引用次数: 0
Study on the Coking Characteristics of Coking Coal and Biomass/Biochar during Pressure-Molded Pyrolysis 焦煤和生物质/生物炭在模压热解过程中的焦化特性研究
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X2560126X
Jiali Fu, Rui Guo, Zhiyang Feng, Yanhui Li, Jie Du
{"title":"Study on the Coking Characteristics of Coking Coal and Biomass/Biochar during Pressure-Molded Pyrolysis","authors":"Jiali Fu,&nbsp;Rui Guo,&nbsp;Zhiyang Feng,&nbsp;Yanhui Li,&nbsp;Jie Du","doi":"10.3103/S1068364X2560126X","DOIUrl":"10.3103/S1068364X2560126X","url":null,"abstract":"<p>This study aims to investigate the effects of coking coal properties, forming pressure, and the proportion of various additives on the quality, coking behavior, and microstructure of formed coke. The results show that, in strongly caking coal, the compressive strength of formed coke first increases and then decreases with increasing additions of biochar and biomass. Under a forming pressure of 100 MPa, the compressive strength reaches its maximum when the addition ratios of biochar and biomass are 12 and 9%, respectively, and the caking index of the coal blends are 77.75 and 84.87. At 150 MPa, the compressive strength of biochar-based formed coke is generally higher than that of biomass-based formed coke. In weakly caking coal, the compressive strength of formed coke gradually decreases with increasing proportions of biochar and biomass; under 100 MPa forming pressure, the compressive strength of biomass-based formed coke is generally higher than that of biochar-based formed coke.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 11","pages":"949 - 964"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147579358","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}
引用次数: 0
Disposal of Unconditioned Solid Fuel in Blast Furnaces Operating with High-Pellet Batch 高球团堆高炉无条件固体燃料的处理
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601428
A. V. Borodin, O. G. Sivkov, I. S. Bersenev
{"title":"Disposal of Unconditioned Solid Fuel in Blast Furnaces Operating with High-Pellet Batch","authors":"A. V. Borodin,&nbsp;O. G. Sivkov,&nbsp;I. S. Bersenev","doi":"10.3103/S1068364X25601428","DOIUrl":"10.3103/S1068364X25601428","url":null,"abstract":"<p>The proportion of pellets in blast furnace batch and in the overall iron ore feedstock increases every year. The expectation is that the pellet content in iron ore will increase to 90%. At the same time, sintering is not only a method of producing raw material for the blast furnace but an important aspect of waste recycling: both iron ore waste (blast furnace dust, gas treatment dust, and so on) and fuel waste (coke fines and sludge). In the present work, the potential for disposal of unconditioned blast furnace fuel (coke fines, sludge) at a steelworks with no sintering shop is assessed. The method employed is physical modeling with estimation of the fuel consumption at steelworks. When the batch used in pig iron production has a high pellet content, problems arise in disposing of secondary energy resources: coke fines and sludge from coke production, which may be produced in quantities of 20–30 kg/t of pig iron. The solid fuels should account for no more than 10 wt % of the blast furnace briquets. At that rate, carbon-bearing wastes may be completely utilized in the blast furnace if its capacity is no more than 1000 m<sup>3</sup>, but may be insufficient in the case of larger furnaces. If we consider full-cycle steel plants with pelletized batch, when moderate quantities of ore and carbon wastes (secondary resources) are available, it makes sense to produce briquets from these wastes and then smelt them in the blast furnaces. That will reduce the furnace’s coke consumption. If carbon wastes are produced at rates significantly exceeding 10–20 kg/t of pig iron, either a sales and delivery system must be set up for these products (in addition to briquetting) or else production of iron in rotary hearth furnaces or of blooms (sponge iron) in tubular furnaces must be organized. That will ensure not only disposal of the carbon-bearing wastes but also the production of additional iron from the secondary iron-bearing components.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 12","pages":"1001 - 1007"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147606452","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}
引用次数: 0
Minimizing Secondary Wastewater Contamination 减少废水二次污染
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601441
A. K. Gorelkina, E. N. Neverov, I. V. Tymoshchuk, E. S. Mikhailova
{"title":"Minimizing Secondary Wastewater Contamination","authors":"A. K. Gorelkina,&nbsp;E. N. Neverov,&nbsp;I. V. Tymoshchuk,&nbsp;E. S. Mikhailova","doi":"10.3103/S1068364X25601441","DOIUrl":"10.3103/S1068364X25601441","url":null,"abstract":"<p>Regions with resource-based economies are subjected to environmental burdens that particularly affect water resources. To reduce their hydrological impact, coal mining enterprises take measures to improve wastewater treatment and transportation. Wastewater treatment is guided by the handbook on best available technologies. In addition, new science-intensive measures to reduce wastewater have been introduced. On that basis, water quality conforms to the requirements. Transportation of treated wastewater is also a concern, since secondary contamination of the water is likely in transit because of seasonal factors and the local density of industrial enterprises. After appropriate modifications, a system for organizing the collection, transportation, and discharge of treated wastewater to its destination is recommended for industrial use. This approach minimizes the impact of the treated wastewater on existing water resources and ensures environmental sustainability in the region.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 12","pages":"1016 - 1022"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147606454","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}
引用次数: 0
Research on Multilevel Collaborative Measurement and Optimization Improvement of Coke Oven Exhaust Gas 焦炉废气多级协同测量及优化改进研究
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601386
Yu Chen, Junjie Fan, Guodong Luo, Mingjie Gao, Qiang Yang, Hongming Fang
{"title":"Research on Multilevel Collaborative Measurement and Optimization Improvement of Coke Oven Exhaust Gas","authors":"Yu Chen,&nbsp;Junjie Fan,&nbsp;Guodong Luo,&nbsp;Mingjie Gao,&nbsp;Qiang Yang,&nbsp;Hongming Fang","doi":"10.3103/S1068364X25601386","DOIUrl":"10.3103/S1068364X25601386","url":null,"abstract":"<p>To address issues such as low combustion efficiency, gas leakage, and environmental pollution in coke oven operation, this study established a multilevel collaborative exhaust measurement system covering vertical heating flue, sole flue, branch flues, and the main flue. This system was used to systematically analyze the exhaust gas composition (O<sub>2</sub>, CO<sub>2</sub>, and CO) at critical locations of a coke oven heated by blast furnace gas. By improving the high-temperature sampling technology for vertical heating flue, efficient and precise monitoring of exhaust composition was achieved. The test results indicate that there are issues such as incomplete combustion in some areas of the coke oven, leakage of the main wall of the regenerator chamber, and failure of equipment sealing. There are differences in the operating conditions between the machine side and the coke side (the coke side generally performs better than the machine side); although the total flue gas emission complies with the ultra-low emission requirements, multilevel analysis reveals potential heat loss and structural risks. Based on the measurement results, targeted improvement measures for the measurement techniques and optimization plans for the furnace operation were proposed. These provided data support and practical basis for the intelligent operation, fault diagnosis, and health management of the coke oven, and were of great value in promoting the energy-saving, carbon reduction, and efficient operation of the coke oven.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 12","pages":"1023 - 1031"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147606610","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}
引用次数: 0
Analysis of Russian Literature on Coal Batch Compaction by Stamping. 2. More Technological Factors 俄罗斯关于煤炭批量冲压压实的文献分析。更多技术因素
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601325
I. A. Osipova
{"title":"Analysis of Russian Literature on Coal Batch Compaction by Stamping. 2. More Technological Factors","authors":"I. A. Osipova","doi":"10.3103/S1068364X25601325","DOIUrl":"10.3103/S1068364X25601325","url":null,"abstract":"<p>The engineering characteristics and properties of stamped-charge cake are outlined, on the basis of a literature review. The reasons for spillage of the stamped coal batch on loading in the coke oven are identified. These factors indicate the need to develop a system of theoretical principles in parallel with experimental research on stamp charging for Russian coke plants.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 11","pages":"911 - 914"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147579367","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}
引用次数: 0
Thermal Solution of Kaa-Khem Coal in Benzene under Pressure in Supercritical Conditions: IR Spectrometric Analysis of the Products 超临界条件下Kaa-Khem煤在苯中的热溶液：产物的红外光谱分析
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601350
Sh. N. Soldup, Yu. F. Patrakov
{"title":"Thermal Solution of Kaa-Khem Coal in Benzene under Pressure in Supercritical Conditions: IR Spectrometric Analysis of the Products","authors":"Sh. N. Soldup,&nbsp;Yu. F. Patrakov","doi":"10.3103/S1068364X25601350","DOIUrl":"10.3103/S1068364X25601350","url":null,"abstract":"<p>The composition and structure of the products obtained by thermal solution of Kaa-Khem coal in benzene, in supercritical conditions, are studied by IR spectrometry. Comparison of the IR spectra of the initial coal, the liquid product, and the insoluble solid residue shows that the position of the individual peaks is practically unchanged but the intensity of the absorption bands in all four spectral regions is different. The intensity is higher in the liquid product that in the initial coal but, conversely, is lower in the solid residue.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 11","pages":"930 - 937"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147579366","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}
引用次数: 0
Influence of Batch Preparation by Drying and by Partial Briquetting without Binder on Coke Quality 间歇式干燥制焦和无粘结剂部分成型制焦对焦炭质量的影响
IF 0.5
Coke and Chemistry Pub Date : 2026-04-01 DOI: 10.3103/S1068364X25601404
A. Ya. Eremin, V. V. Kuprygin, K. K. Nikonorov, D. S. Vyukov, A. L. Volovod
{"title":"Influence of Batch Preparation by Drying and by Partial Briquetting without Binder on Coke Quality","authors":"A. Ya. Eremin,&nbsp;V. V. Kuprygin,&nbsp;K. K. Nikonorov,&nbsp;D. S. Vyukov,&nbsp;A. L. Volovod","doi":"10.3103/S1068364X25601404","DOIUrl":"10.3103/S1068364X25601404","url":null,"abstract":"<p>Analysis of batch preparation technologies indicates that batch drying (to 6% moisture content) and partial briquetting without binder are promising for any coke battery. Laboratory data show that these technologies are approximately equivalent in terms of the ability to produce coke of satisfactory quality from batch with a higher content of poor-quality coal. The coke produced is of higher quality after partial briquetting without binder than after batch drying.</p>","PeriodicalId":519,"journal":{"name":"Coke and Chemistry","volume":"68 12","pages":"987 - 994"},"PeriodicalIF":0.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147606611","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}
引用次数: 0
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