2023年3月1日· Blast furnace gas (BFG) generated in blast furnace (BF) ironmaking process can be converted into steam and electricity to provide energy for the nearby cities Accurate prediction of BFG generation is crucial for assessing BFG surplus, which is the2018年9月11日· The operation optimization problem of furnace process (OOPFP) is to obtain an optimal temperature setting of the furnace toFurnace operation optimization with hybrid model based
an episode of actual transient furnace operation, and demonstrates a nonlinear dynamic simulation of this furnace operation using a zone method based model with a self2021年3月22日· The chapter describes two mathematical optimization models for research and improving the efficiency of modern industrial and muffle furnaces on an electricalOptimization Models of Industrial Furnaces and Methods for
Multiobjective optimization method of blast furnace operation performance indicators based on data and knowledge Abstract: During blast furnace (BF) ironmaking, hot metal1982年1月1日· A furnace is a bricklined chamber, capable of holding or conveying the material to be treated, to which heat is applied by one of various means so as to achieveFurnaces: principles of design and use ScienceDirect
2016年1月1日· The expanded technical and economic optimization problem of furnace units having metal heating chamber operation is solved The method and optimizationThe operation optimization problem of furnace process (OOPFP) is to obtain an optimal setting of furnace temperatures to make the reheated slabs have suitable temperatureFurnace operation optimization with hybrid model based on
In order to get the conflicting targets such as the lowest production cost and coke ratio as well as the highest iron quality, a multiobjective optimization model for the blast furnace2023年5月20日· The convolution neural network is used to extract the furnace condition characteristics, and then combined with the attention mechanism and the IndRNN modelMultiobjective optimization method of blast furnace operation
The authors use traditional metallurgy models but instead use machine learning methods to analyze the data associated with the operation performance of a blast furnace and propose a classification algorithm to train classifiers for the prediction of the operationperformance Although its theoretical foundation is well understood by researchers, a blast furnace is2023年12月28日· 7 Edging Operation This forging operation is performed by striking or forcing the metal plate to the desired shape The workpiece is forced between two die edges 8 Punching Operation ThisForging: Types, Methods, Operations, Advantages
2020年6月20日· 70 PROCEDURE – SOP FOR MUFFLE FURNACE: Procedure for Operation of Muffle Furnace : Keep the Muffle on a leveled and firm platform Ensure that the instrument is connected with the main2023年5月20日· Download Citation | On May 20, 2023, Duojin Yan and others published Multiobjective optimization method of blast furnace operation performance indicators based on data and knowledge | Find, readMultiobjective optimization method of blast furnace operation
2023年5月20日· A data and knowledgebased optimization framework for BF operation performance indicators is proposed and the KBNSGA successfully achieves the goal compared with other genetic algorithms During blast furnace (BF) ironmaking, hot metal quality and energy consumption directly affect industrial economic benefits FieldThe invention relates to a method for operating a metallurgical furnace In order to provide a simplified way of providing synthesis gas for a metallurgical furnace, the invention provides that the method comprises: performing a combustion process outside the metallurgical furnace by combusting a carboncontaining material with an oxygenrichMethod for operating a metallurgical furnace Google Patents
An induction furnace is an electrical furnace in which the heat is applied by induction heating of metal Induction furnace capacities range from less than one kilogram to one hundred tons, and are used to melt iron and steel, copper, aluminum, and precious metals The advantage of the induction furnace is a clean, energyefficient and wellcontrolledFurnace, method of its operation, and a control method专利检索，Furnace, method of its operation, and a control method属于 回转速度可变的专利检索，找专利汇即可免费查询专利， 回转速度可变的专利汇是一家知识产权数据服务商，提供专利分析，专利查询，专利检索等数据服务功能。Furnace, method of its operation, and a control method 专利汇
method of operating furnace to reduce emissions专利检索，method of operating furnace to reduce emissions属于 燃烧器的分级专利检索，找专利汇即可免费查询专利， 燃烧器的分级专利汇是一家知识产权数据服务商，提供专利分析，专利查询，专利检索等数据服务功能。A method of operating a furnace having process tubes and multiple burners where it is desired to conform the temperatures of the process tubes to selected target temperature criterion The present method provides a systematic and quantitative approach to determine how to adjust burner flow rates to result in desired tube wall temperatures, for example,CAA1 Method of operating a furnace Google Patents
2016年9月3日· Blast furnace smelting is the dominant ironmaking method around the world Blast furnace operations cover not only blast furnace smelting but also a set of auxiliary processes and equipments, including molten slag granulation, hot stoves and offgas treatment systemsA method of firing a burner into a furnace process chamber supplies the burner with fuel and combustion air at a ratio that provides a level of excess air The method includes the steps of reducing the flow rate of combustion air, and maintaining the level of excess air when the flow rate of combustion air is being reduced Other steps include withdrawingUSB2 Method of operating a furnace Google Patents
The invention relates to a method for operating a furnace (10), in particular an anode furnace, wherein: the furnace is formed from a plurality of heating ducts (12) and furnace chambers, the furnace chambers being used to receive carbonaceous bodies, in particular anodes, and the heating ducts being used to control the temperature of the furnace2022年5月22日· Working of Furnace A typical furnace has six main components—the thermostat, gas valve, burner, heat exchanger, blower, and air ducts The thermostat activates the furnace when the temperature setting goes down Now, the burner delivers the gas to the heat exchanger when the gas valve is turned on It involves air combustionDifferent Types of Furnaces: Their Working & Applications [PDF]
2019年8月2日· Blast furnace (BF) remains the dominant ironmaking process worldwide Central coke charging (CCC) operation is a promising technology for stabilizing BF operations, but it needs reliable and quantified process design and control In this work, a multifluid BF model is further developed for quantitatively investigating flowthermal2023年9月20日· The pressure difference is an important parameter to characterize the stability and smoothness of the blast furnace (BF) ironmaking process The prediction and control of the pressure difference is the basic step to ensure the high efficiency, stability, low consumption, and smooth operation of a BF Based on the collected industrial data,Machine Learning Models for Predicting and Controlling the
2020年5月15日· It should be noted that blast furnace operation status, which significantly influences BFG generation, is not adequately considered in the existing methods, such that many models are only applicable in smooth operation periods The blast furnace operation status is determined by events such as smooth operation, blowdown operation, andUS patent application number 15/ was filed with the patent office on for system and method of operating a batch melting furnace This patent application is currently assigned to Air Products and Chemicals, Inc The applicant listed for this patent is Air Products and Chemicals, IncSystem and Method of Operating a Batch Melting Furnace
2018年5月31日· A review of the basic parameters in the operation of submerged arc furnaces is given The importance of controlling the electrical operating parameters in accordance with the principles presented2022年3月16日· The construction of the indirect arc furnace is shown in the figure The figure shows a rocking arc furnace which working on the principle of indirect arc heating The furnace is made of steel shell of cylindrical shape The inner surface of the steel shell has to be lined with some refractory material It has two carbon electrodes suppliedIndirect Arc Furnace – Construction, Working, and Applications
In modern EAF operations, especially those operating with a ‘hot heel’ of molten steel and slag retained from the prior heat, oxygen is often blown into the bath This technique allows for the simultaneous operation of melting and refining in the furnace The Basic Oxygen Furnace process uses 25 to 35 percent old steel to make new steelMethod for low load operation of a coalfired furnace USA (en) * : : Combustion Engineering, Inc Method of improving load response on coalfired boilers USA (en) * : : Combustion Engineering, Inc Supplying pulverized coal to a coalfired furnaceMethod for operating a furnace of a coalfired power plant
However, the biggest drawback of blast furnace operation is the inevitable carbon dioxide production from iron reduction processes, which is considered one of the major contributors in global warming Accordingly, the Pulverized Coal Injection (PCI) method is becoming an internationally popular method for improving blast furnace operationUSB2 US12/621,807 USA USB2 US B2 US B2 US B2 US A US A US A US B2 US B2 US B2 AuthorityUSB2 Method of operating a furnace Google Patents
2020年11月10日· Then, the possible operation strategies for H 2rich operation of blast furnaces are explored This paper provides a costeffective tool to understand the flowthermalchemical behaviors inside aFor instance, the furnace may be an electric arc furnace, flash smelting furnace, flash converting furnace, shaft furnace (such as a blast furnace), lance injection furnace and so on [0012] Although it is envisaged that the furnace could be any suitable metallurgical furnace, it is envisaged that the turnace will most preferably be a furnace in which fuelWOA1 Method of operating a furnace Google
The method of the invention concerns operation of a furnace (1) utilising a hydrogenrich gas as furnace fuel The furnace (1) has a multiplicity of burners (17) for burning fuel supplied thereto The method comprises providi ng ignition means for lighting a flame at at least one burner of the multiplici ty of burners An oxygencontaining gas and a2020年5月5日· Modeling of reheating furnace operation based on optimal thermal efficiency can greatly improve the actual furnace operation performance However, some key variables in the complex chemical processes are very difficult to measure due to the nonlinearity, the disturbances, and the technological limitations, and the multicollinearityModeling of furnace operation with a new adaptive data echo
2021年2月23日· Steelmaking based on direct reduced iron (DRI, and its compacted derivative hot briquetted iron, HBI) is an anticipated important global alternative to current steel production based on FeOx reduction in blast furnaces due to its lower specific CO2 emission The majority of DRI is melted and refined in the electric arc furnace with2017年8月8日· There are two basic methods for graphitization in Carbolite Gero furnaces Either the starting material already consists solely of carbon atoms and is very clean with negligible impurities In this case a graphite furnace of the LHTG range or the HTK range up to 3000 °C is suitable Figure 5Graphitization at up to 3000 °C with Chamber Furnaces
During blast furnace (BF) ironmaking, hot metal quality and energy consumption directly affect industrial economic benefits Field engineers usually adjust the production state based on their experience, which makes control optimization uncertain A data and knowledgebased optimization framework for BF operation performance indicators is proposed inSilicomanganese is produced by the carbothermic reduction of manganese ores in a submerged arc furnace It contains 65–68%Mn, 125–185%Si, and 15–3%C As in chromium ferroalloys, a high silicon content lowers carbon in manganese alloys The smelting of silicomanganese requires a source for silicon as well as for manganeseSubmerged Arc Furnace an overview | ScienceDirect Topics
2018年5月5日· The scope of the current paper is thus concerned with the development of a new method for the simulation of nonlinear dynamic operations of reheating furnaces This novel approach applies the zone method based model [19] together with a selfadapting predictive control scheme, while further taking into account the twodimensionalElectric phosphate smelting furnace in a TVA chemical plant (1942) Smelting is a process of applying heat and a chemical reducing agent to an ore to extract a desired base metal product It is a form of extractive metallurgy that is used to obtain many metals such as iron, copper, silver, tin, lead and zincSmelting uses heat and a chemical reducing agent toSmelting
USB2 System and method of operating a batch melting furnace RUC2 Device for measurement and control of loading charge or metal scrap into electric arc furnace and corresponding procedure JPB2 Method and control system for controlling a melting process2019年7月20日· Temperature is one of the exigent parameters that needs to be controlled in today’s industries Importantly this temperature control should be precise and fast As the conventional controllers are not optimally tuned, the controller used for controlling the temperature of the electric furnace does not exhibit better performance Its rise time andOptimal PID tuning for controlling the temperature of electric furnace
Iron processing Smelting, Refining, Alloying: The primary objective of iron making is to release iron from chemical combination with oxygen, and, since the blast furnace is much the most efficient process, it receives the most attention here Alternative methods known as direct reduction are used in over a score of countries, but less than 5 percent of iron is2023年3月1日· @article{Zhang2023HybridPM, title={Hybrid prediction method of blast furnace gas generation considering multioperation modes in steel plants near the city}, author={Kai Zhang and Zhong Zheng and Mingmei Zhu and Hongsheng Chen and Tairan Guo and Kai Zhang and Shicheng Ma and Liming Sun}, journal={Sustainable EnergyHybrid prediction method of blast furnace gas generation
The invention relates to a method and a control device for operating a furnace ( 10 ), in particular an anode furnace, the furnace being formed by a plurality of heating channels ( 12 ) and furnace chambers ( 13 ), the furnace chambers serving to receive carbonaceous products, in particular anodes, and the heating channels serving to control theThe Furnace Method for the production of low carbon ferrochrome has been found to offer significant savings in energy and raw material consumptions, compared to the Mixing Method processes The operating conditions for the Furnace Method differ significantly from those of the Mixing Method processes This paper describes the characterisation ofDefining the Operating Regime and Methodology for the Furnace Method
