
Improvement of the slag discharge system of the mediumspeed coal mill

煤磨排渣系统的改造与自动控制
Abstract: The coal mill slag discharge used to be cleaned regularly by manual trolley, the labor intensity and workload of the field personnel handling was large Through the transformation, it increased slag discharge belt and bucket elevator, and realized automatic chain program control6 天之前 Combined with the advanced drilling of the central return air shaft in Kekegai Coal Mine, the distribution law of slag discharge flow field by drilling method and the influencing Study on the flow field of multiphase coupling slag discharge 2024年4月1日 Coal gasification technology has led to a significant discharge of solid waste known as coal gasification slag (CGS) However, the high composition of Si and Al in CGS, Modification and resource utilization of coal gasification slag 2024年6月15日 Increasing the rotation speed of the drill bit can significantly enhance the tangential velocity of the bottom hole fluid, increase the pressure difference between the CFD–DEM method is used to study the multiphase coupling slag discharge

Review of the characteristics and graded utilisation of coal
2021年7月1日 In this paper, the production, composition, morphology, particle size structure and water holding characteristics of coal gasification slag are introduced, and the methods of 2020年3月1日 磨煤机优化研究引入磨内流场的理念,通过对磨内结构的改进,最终实现对磨内流场的整体优化,使中速磨煤机的性能得到全面本质性提升。 管道动态调平是在实现风粉磨内 中速磨煤机制粉系统优化技术研究及应用2022年1月1日 The results showed that the viscositytemperature characteristics of slag had a great influence on the slag flow response process The slag steady time and the The effect of coal viscositytemperature characteristics on the 2024年2月3日 Fine slag (FS) is an unavoidable byproduct of coal gasification FS, which is a simple heap of solid waste left in the open air, easily causes environmental pollution and has a Multiscale analysis of fine slag from pulverized coal

Composition and Structural Characteristics of
2024年7月9日 This paper focuses on the Jinhua furnace coal gasification slag (fine slag, FS; coarse slag, CS) as the research subject, analyzing its composition and structural characteristics, and discussing the thermochemical conversion 2024年8月2日 The integrated gasification combined cycle is a relatively new and ecofriendly power generation technology However, this process produces coal gasification slag (CGS) as a byproduct, which is usually landfilled or The Effects of Pretreated Coal Gasification Slag 2022年1月1日 The entrainedflow coal gasification was an essential technology to convert the inorganic matter of coal into H 2 and CO in a clean and efficient way [4], [5]Due to its wide fuel adaptability, it was the main trend of the largescale industrial gasification plant [6]In order to ensure high gasification efficiency, the operating conditions of high temperature and high The effect of coal viscositytemperature characteristics on the 2020年12月1日 Slag blocking and slagging of combustors are influenced by the coal blending combustion strategy of slagtap boiler this paper studies these influence factors, analyzes the problems of slag Study on the Law of the Influence on Slag

Multiscale analysis of fine slag from pulverized coal
2024年2月3日 Fine slag (FS) is an unavoidable byproduct of coal gasification FS, which is a simple heap of solid waste left in the open air, easily causes environmental pollution and has a low resource utilization rate, thereby restricting the development of energysaving coal gasification technologies The multiscale analysis of FS performed in this study indicates typical grain size 2017年12月30日 It is difficult to analyze the heat transfer character of dry slag discharge system using the theory of computational heat transfer It is necessary to develop an allpurpose and userfriendly Visualization of the heat transfer character of dry slag discharge system2023年2月10日 The effect of coal viscositytemperature characteristics on the dynamic response of slag discharge behavior in Shell gasifier Kuo Lin a, b, Zhongjie Shen a, b, Qinfeng Liang a, b, Zhenghua Dai a, b, Jianliang Xu a, b, *, Xiaolei Guo a, b, Haifeng Liu a, bThe effect of coal viscositytemperature characteristics 2019年6月16日 Dry slag discharge system is based on VB and achieves hybrid programming of VB and VC; humancomputer interaction interface and heat transfer model of dry slag discharge system are designed; and analysis result is output General framework of the whole system is shown in Figure 3 Figure 3 General framework of dry slag discharge systemVisualization of the heat transfer character of dry slag

Review on treatment technologies of coal gasification wastewater
2022年1月20日 Coal gasification generally refers to an incomplete reaction between various coal (coke) and oxygencarrying gasification agents (O 2, H 2 O, CO 2), and finally produces a gas composed of CO, H 2, CO 2, CH 4, N 2, H 2 S, COS etc (Fan et al, 2019)Coal gasification technology is the core of clean and efficient conversion of coal, and is the foundation of the 2024年1月17日 The intrinsic mechanism and impact process of how coal gasification coarse slag (CGCS) amends the physicochemical properties of a specific soil based on its properties are not yet clear The study explored the properties of CGCS that can be used for soil amendment by evaluating the properties of topsoil and CGCS Different CGCS additions (0%, 5%, 10%, 15%, Use of coal gasification coarse slag to amend the soil water, 2019年6月28日 Coal gasification fine slag (CGFS), which is the byproduct of entrainedflow coal gasification, has superior properties, such as a large surface area, a broad pore size distribution, and a high content of carbon This material has the potential to amend poor soils This study was carried out to investigate the use of CGFS as a soil amendment for alkaline sandy lands Effect of Coal Gasification Fine Slag on the Physicochemical 2023年12月24日 Taking hp1103 medium speed roller disc coal mill as the carrier, this paper mainly describes the common faults in the normal operation of this type of coal mill, and analyzes and judges each type ofSHPHGLXP VSHHGFRDOPLOO ResearchGate

Experimental Determination of Slag Emissivities for Enhanced Slag
2024年9月17日 1 Introduction Slag is crucial in secondary steelmaking as it affects the quality of the final product in many ways A typical secondary metallurgy ladle slag is a fourcomponent system comprising aluminum oxide (Al 2 O 3), calcium oxide (CaO), silicon oxide (SiO 2), and magnesium oxide (MgO)Some important functions of slag are steel desulphurization and 2022年12月13日 The coarse slag had a limited effect on soil particle size and texture improvement; the soil water retention performance increased with the increase of proportion of the slag, while pH and Research on the Application of Coal Gasification 2023年10月27日 The ball mill is a rotating cylindrical vessel with grinding media inside, which is responsible for breaking the ore particles Grinding media play an important role in the comminution of mineral ores in these mills This work reviews the application of balls in mineral processing as a function of the materials used to manufacture them and the mass loss, as A Review of the Grinding Media in Ball Mills for Mineral 2012年1月1日 The improvement combines the hydraulic loading system with electronic technology so that the deficiencies of original system are solved and the automatic degree of coal mill loading mode is Research on the Improvement of MPS Coal Mill Loading Hydraulic System

Review of the characteristics and graded utilisation of coal
2020年11月10日 Chinese Journal of Chemical Engineering ›› 2021, Vol 35 ›› Issue (7): 92106 DOI: 101016/jcjche202105007 • Review • Previous Articles Next Articles Review of the characteristics and graded utilisation of coal gasification slag Xiaodong Liu 1, Zhengwei Jin 2, Yunhuan Jing 2, Panpan Fan 1, Zhili Qi 2, Weiren Bao 1, Jiancheng Wang 1, Xiaohui Yan 3, 2020年4月7日 MPS mediumspeed coal mill is a rolltype mediumspeed coal mill designed and manufactured by Ba bcock, Germany The mill is characterized by low power consumption, smooth(PDF) Modeling of Coal Mill System Used for Fault Simulation 2024年7月9日 Gasification technology enables the clean and efficient utilization of coal However, the process generates a significant amount of solid waste—coal gasification slag This paper focuses on the Jinhua furnace coal gasification slag (fine slag, FS; coarse slag, CS) as the research subject, analyzing its composition and structural characteristics, and discussing the Composition and Structural Characteristics of Coal Gasification Slag 2021年6月9日 The flow temperature (FT) of the coal ash from the Liuqiao no 2 mine in North Anhui Province (C00) is too high (∼1520 °C) to fit the Shell gasifier due to its relatively high content of SiO2 and Al2O3 To solve this problem, a series of coals were blended with C00 with different ratios, and the relations between FT and the ash composition were investigated The Melting Characteristics of Coal Ash and Properties of Fly Ash

Slag discharge characteristics and engineering application of
2022年1月11日 Gas drainage through underground boreholes is the main method for gas control and utilization in soft high gassy seam However, this method has technical problems including shallow drilling depth, low drilling efficiency, and frequent engineering accidents This paper proposes a prismatic grooved drill pipe To verify its slag discharge effect, a numerical 2024年2月15日 Ultrafine, highly active coal gasification slag (HCGS) was produced via a sustainable, green dryballmilling method Coal gasification fine slag (CGS), a potential environmental pollutant, was used as a new source of rubber filler without pretreatment, enabling waste utilisation HCGS was added to styrenebutadiene rubber (ESBR) composites, and the Performance of FullComponent Coal Gasification Fine Slag: 2017年8月1日 In this study, MPS180HPII medium speed coal mill is used as the research object Its maximum output is 44496 In this paper, a fault diagnosis method of coal mill system based on the simulated typical fault samples is proposed By analyzing the fault mechanism, fault features are simulated based on the model of coal mill, and massive Modeling of a medium speed coal mill ScienceDirect2022年1月1日 The entrainedflow coal gasification was an essential technology to convert the inorganic matter of coal into H 2 and CO in a clean and efficient way [4], [5] Due to its wide fuel adaptability, it was the main trend of the largescale industrial gasification plant [6]The effect of coal viscositytemperature characteristics on the

Modification and resource utilization of coal gasification slag
2024年4月1日 Coal gasification technology has led to a significant increase in CGS discharge and consequently, the disposal of gasified solid waste gasification slag has become a major concern [10]It is reported that, more than 70 million tons of CGS is produced every year in China [11]Only a very small part of the slag is used, while the vast majority of CGS is simply 2023年12月1日 Table 1 presents the current mainstream coal gasification technologies These technologies exhibit varying application effects due to differences in raw materials and process requirements Through a comparative analysis of the fundamental aspects of these three technologies, it is evident that coal resource conversion application technology is widely Progress in the change of ash melting behavior and slagging 2021年2月1日 It is of great importance to obtain the exact location and severity of slagging deposits on the waterwall surface of an operational boiler to avoid aimless sootblowing and reduce steam consumptionImprovement of slagging monitoring and sootblowing of In this paper, considering the work mechanism of dry slag discharge system, the heat transfer in width direction of conveyer belt is ignored; the heat transfer in movement direction of conveyer belt and the direction that is perpendicular to plane of conveyer belt is mainly researched 22 Numerical calculation of dry slag discharge systemVisualization of the heat transfer character of dry slag discharge

Applicability of coal slag for application as packed bed
2022年4月1日 The three kinds of coal slags tested are Fukang coal slag (FCS), Fukang coal granulated slag (FCGS) and Hongshaquan coal granulated slag (HCGS) The three slags are all from the slag conveyor of the 20 MW pilotscale liquid slag discharge furnace in Xuzhou Fig 2 presents the morphology patterns of three coal slags The three kinds of slags 2023年6月9日 Coal gasification is recognized as the core technology of clean coal utilization that exhibits significant advantages in hydrogenrich syngas production and CO2 emission reduction This review briefly discusses the recent research progress on various coal gasification techniques, including conventional coal gasification (fixed bed, fluidized bed, and entrained bed Recent Progress on HydrogenRich Syngas Production from Coal 2024年3月17日 Wastewater treatment produces a large amount of sludge, where the minimizing of the disposed sludge is essential for environmental protection The cocombustion of sludge with coal is a preferable method for sewage sludge disposal from the economic and environmental perspective The cocombustion of sludge has been widely used in the industry with the HighTemperature Ash Melting and Fluidity Behavior upon 2024年6月15日 The specifications for the drilling diameter, slag discharge method, slag discharge medium, and well washing parameters are distinct from those of largebore coal mine vertical shaft drilling gas CFD–DEM method is used to study the multiphase coupling slag discharge

The effect of coal viscositytemperature characteristics on the
2022年1月1日 The entrainedflow coal gasification was an essential technology to convert the inorganic matter of coal into H 2 and CO in a clean and efficient way [4], [5]Due to its wide fuel adaptability, it was the main trend of the largescale industrial gasification plant [6]In order to ensure high gasification efficiency, the operating conditions of high temperature and high 2020年12月1日 Slag blocking and slagging of combustors are influenced by the coal blending combustion strategy of slagtap boiler this paper studies these influence factors, analyzes the problems of slag Study on the Law of the Influence on Slag 2024年2月3日 Fine slag (FS) is an unavoidable byproduct of coal gasification FS, which is a simple heap of solid waste left in the open air, easily causes environmental pollution and has a low resource utilization rate, thereby restricting the development of energysaving coal gasification technologies The multiscale analysis of FS performed in this study indicates typical grain size Multiscale analysis of fine slag from pulverized coal 2017年12月30日 It is difficult to analyze the heat transfer character of dry slag discharge system using the theory of computational heat transfer It is necessary to develop an allpurpose and userfriendly Visualization of the heat transfer character of dry slag discharge system

The effect of coal viscositytemperature characteristics
2023年2月10日 The effect of coal viscositytemperature characteristics on the dynamic response of slag discharge behavior in Shell gasifier Kuo Lin a, b, Zhongjie Shen a, b, Qinfeng Liang a, b, Zhenghua Dai a, b, Jianliang Xu a, b, *, Xiaolei Guo a, b, Haifeng Liu a, b2019年6月16日 Dry slag discharge system is based on VB and achieves hybrid programming of VB and VC; humancomputer interaction interface and heat transfer model of dry slag discharge system are designed; and analysis result is output General framework of the whole system is shown in Figure 3 Figure 3 General framework of dry slag discharge systemVisualization of the heat transfer character of dry slag 2022年1月20日 Coal gasification generally refers to an incomplete reaction between various coal (coke) and oxygencarrying gasification agents (O 2, H 2 O, CO 2), and finally produces a gas composed of CO, H 2, CO 2, CH 4, N 2, H 2 S, COS etc (Fan et al, 2019)Coal gasification technology is the core of clean and efficient conversion of coal, and is the foundation of the Review on treatment technologies of coal gasification wastewater 2024年1月17日 The intrinsic mechanism and impact process of how coal gasification coarse slag (CGCS) amends the physicochemical properties of a specific soil based on its properties are not yet clear The study explored the properties of CGCS that can be used for soil amendment by evaluating the properties of topsoil and CGCS Different CGCS additions (0%, 5%, 10%, 15%, Use of coal gasification coarse slag to amend the soil water,

Effect of Coal Gasification Fine Slag on the Physicochemical
2019年6月28日 Coal gasification fine slag (CGFS), which is the byproduct of entrainedflow coal gasification, has superior properties, such as a large surface area, a broad pore size distribution, and a high content of carbon This material has the potential to amend poor soils This study was carried out to investigate the use of CGFS as a soil amendment for alkaline sandy lands 2023年12月24日 Taking hp1103 medium speed roller disc coal mill as the carrier, this paper mainly describes the common faults in the normal operation of this type of coal mill, and analyzes and judges each type ofSHPHGLXP VSHHGFRDOPLOO ResearchGate