Water slag flushing process of Lectra method

Extraction of chloride from slag flush wastewater using solvent N235

2022年8月1日  This work proposes a solvent extraction process for removal of chloride in slag flush wastewater using trinoctylamine (N235) as extractant The single stage extraction and stripping efficiencies were 789% and 992% respectively under the optimal conditions2014年3月1日  Flushing slag water is continuous fluid form of waste heat The heat transfer and energy conversion of recycling process based on thermoelectric power generation technology Thermoelectric power generation driven by blast furnace slag 高炉冲渣水经过提升泵到过滤笼处理设备，滤 后水收集进入集水槽，并自流进入冲渣水储水池，供 往高炉用户点。 过滤笼内浓缩的水渣水在进水水力 的推动下，通过钢管送入平流式沉淀池。 一种新型的高炉冲渣水处理工艺过滤笼处理法应用与 At present, waterquenching process plays a leading role in recovering waste heat of the molten slags However, this method not only cost lots of water, but also recover little sensible heat A Review of Granulation Process for Blast Furnace Slag Semantic

Comprehensive utilisation of blast furnace slag Taylor Francis

The water quenching granulation process, also known as the wet treatment process, is a process that uses a highpressure water stream to quickly cool the blast furnace slag in the molten 2023年7月21日  The water quenching granulation process, also known as the wet treatment process, is a process that uses a highpressure water stream to quickly cool the blast furnace Comprehensive utilisation of blast furnace slag Taylor Francis This paper presents a method of utilizing waste heat of blast furnace slag flushing water for seawater desalination After the flash process, heat exchange process and heat repair Journals PDF Frontiers in Heat and Mass Transfer (FHMT)2020年7月20日  The process of granulation is a controlled rapid quenching of the BF slag in cold water with minimum scope for crystal growth A large volume of water is used (at a ratio of Utilisation perspective on water quenched and aircooled blast

A new technological approach to the granulation of slag melts of

2021年11月3日  It is shown that the main advantage of the proposed HVG process is the provision of forced highspeed vortex convection of water, with the effect of vertical suction, 2021年7月26日  The high chlorine content in slag restricts its largescale utilization in engineering materials To solve this problem, this study comprehensively evaluated the influence of water Overall Utilization of TiExtraction Blast Furnace Slag as a Raw lator to granulate the slag, and the slagwater ratio (1:1) It is far lower than the slagtowater ratio (5:1) of the highpressure water granulation slag of the INBA method, and the process equipment is simple, the water consumption is small, the operating cost is low, the slag with iron content is less than 40%, and theComprehensive utilisation of blast furnace slag Taylor Francis 2023年5月10日  In order to achieve the purpose of highefficiency dephosphorization by singleslag method during the combined blown converter steelmaking process, the CaOSiO2FetOMgOMnOP2O5 slag system was Effects of Slag Removal Method on the Process

What is Blast Furnace Slag and How to Process It?

2022年2月26日  Blast furnace slag can be processed into the following materials by various processes In China, blast furnace slag is usually processed into water slag, slag gravel, expanded slag and slag beadsWater slag is the process of 2023年8月16日  The following steps will usually be conducted when completing the flushing and cleaning process on a mild steel pipework system: [1] Ensure the system can be flushed properly via document reviews [drawings/specificaitons] [2] Agree on the flushing and cleaning strategy, methods, and any water conservation that will be usedDYNAMIC FLUSHING Procedure SequenceThis document provides a method statement for chilled water flushing of a HVAC system at a school in Dubai It outlines a 4 step process: 1) Initial flushing with water to remove debris, 2) Chemical cleaning using Accepta 2877 to further remove deposits, 3) Dynamic flushing with water to remove chemicals, 4) Passivation using Accepta 894 and backflushing of equipment to Method Statement Chilled Water Chemical Flushing HEATThis method can effectively prevent water slag from depositing and solidifying at the bottom of the pool, ensure the circulation of slag flushing water, reduce the workload of employees, and reduce the labor intensity of employees Keywords Blast Furnace; Slag Flushing Suction Tank; Water Purging; Prevent Hardening 1 IntroductionFeasibility Study on Preventing Sedimentation and Agglomeration

Chemical flushing method for seamless hydraulic pipes

2023年10月24日  During the water flushing process, the water flow rate should be controlled above 2m/s, a system is divided into several branches for flushing, and the turbidity of the water is tested every 20 minutes When the outlet water turbidity is 00005% greater than the inlet water turbidity, the flushing ends 2 Degreasing2024年4月15日  Smelting is the main method to obtain lead metal In the process of pyrometallurgy, blast furnace and smoker produce a large amount of lead smelting waterquenching slag (hereinafter referred to as lead slag) According to statistics, China’s lead smelting system emits 71 tons of lead slag for every 1 ton of lead metal producedIron recovery from lead smelting waterquenching slag by Keywords: Slag flushing water, Water flashed, Heat exchange 1 INTRODUCTION The blast furnace produces iron melt and blast furnace slag at about 1500 °C At present, the main method to deal with the slag is the water quenching method This process produces a large amount of blast furnace slag flushing water with lowgrade heat energyJournals PDF Frontiers in Heat and Mass Transfer (FHMT)2014年3月1日  The results showed that for blast furnace slag flushing water at 100 °C, water temperature drops 15 °C per meter, about 093 kW electrical energy can be produced per area and conversion Thermoelectric power generation driven by blast furnace slag flushing water

Vapor recovery blast furnace slag flushing water system

The invention provides a vapor recovery blast furnace slag flushing water system A gas collecting hood with a spraying system is arranged at the upper part of a slag producing tank in the system; and an external sucking hood with an emptying pipe is arranged at an opening of the gas collecting hood By adopting the system, a micro positive pressure state inside a granulation 2022年8月1日  During the process of flushing the chloride ion in the flushing water adheres to the slag and in turn finds its way to cement and concrete It is reported that chloride ions are the main cause of reinforcement corrosion in concrete structures ( Luan et al, 2013 ; Du et al, 2015 ), and hence its utilization has lots of implications and limitations ( Garcia et al, 2001 ; Mohammed Extraction of chloride from slag flush wastewater using solvent N23542 Air blast method High speed and high pressure air plays a pivotal role to discharge the molten slag with a rapid cooling in this process, along with absorbing the sensible heat [4]A Review of Granulation Process for Blast Furnace SlagDOI: 101016/JENERGY201402018 Corpus ID: ; Thermoelectric power generation driven by blast furnace slag flushing water @article{Meng2014ThermoelectricPG, title={Thermoelectric power generation driven by blast furnace slag flushing water}, author={Fankai Meng and Lingen Chen and Fengrui Sun and Bo Yang}, journal={Energy}, Thermoelectric power generation driven by blast furnace slag flushing water

FrothFlush New Efficient flushing process for complex pipe

Process Heat Exchangers Process Coolers Overhead Fin Fan Units The FrothFlush process will quickly flush these systems utilizing a minimum quantity of demineralized water This process is particularly effective in cleaning residual hydrostatic test water, iron salts, and other debris that contaminates these systems during the construction 2017年8月1日  There is two type of flushing as below which are enough for pipelines flushing 1 Chemical flushing (pickling) 2 Oil flushing CHEMICAL FLUSHING (PICKLING) The purpose of chemical flushing is to remove any dirts, debris, oil, grease, rust, scale, ect form the pipelines During chemical flushing thin layer of surface of pipe wall will remove as well all thePipe Flushing (Full procedure, standards NAS, Filter selection Below is detailed mechanical method statement that provides steps for the cleaning, flushing and passivation of chilled water pipe system Objectives of chemical flushing for chilled water system is to remove debris such as slit, sand, scale, iron oxide deposits, weld slug and other contaminants that are present in a new chilled water pipe system, the passivation process Method of Statement for Cleaning Flushing and Passivation of 2020年12月25日  In this report a nonexhaustive overview of optimization methods for flushing in WDS is given The deterioration of drinking water during distribution process is caused by many factorsTechnical Report: Flushing Strategies in Drinking Water Systems

Treatment procedure of water quenching blast furnace slag

Water quenching blast furnace slag (WQBFS) is widely produced in the blast furnace iron making process It is mainly composed of CaO, MgO, Al2O3, and SiO2 with low contents of other metal elements 2024年8月1日  Many case studies have been conducted on how to recover lowgrade IWH for district heating at home and abroad [[5], [6], [7]]Fang et al [8] proposed a comprehensive method for the efficient utilization and a benefit evaluation of lowgrade IWH and used this method to recover 122 MW of heat from a steel plant and a copper plant in Chifeng City, China, for Case study on combined heat and water system for district 2010年10月10日  Request PDF The use of soilflushing to remediate metal contamination in a smeltingslag dumping area: Column and pilotscale experiments The conditions for the remediation of metal The use of soilflushing to remediate metal ResearchGatehopper, 8üoverflow, 9üinlet of flushing air, 10üwater outlet, 11ügranulated slag Figure 2 INBA process 4 Dry granulation process On the blast furnace slag treatment technology, for a long time, water quenching process has token the leading position However, there are many defects of waterquenching slag method, which can be roughly concludedA Review of Granulation Process for Blast Furnace Slag

Case study on combined heat and water system for district

2024年8月1日  Many case studies have been conducted on how to recover lowgrade IWH for district heating at home and abroad [[5], [6], [7]]Fang et al [8] proposed a comprehensive method for the efficient utilization and a benefit evaluation of lowgrade IWH and used this method to recover 122 MW of heat from a steel plant and a copper plant in Chifeng City, China, for 2017年8月1日  There is two type of flushing as below which are enough for pipelines flushing 1 Chemical flushing (pickling) 2 Oil flushing CHEMICAL FLUSHING (PICKLING) The purpose of chemical flushing is to remove any dirts, debris, oil, grease, rust, scale, ect form the pipelines During chemical flushing thin layer of surface of pipe wall will remove as well all thePipe Flushing (Full procedure, standards NAS, Filter selection 2021年7月26日  Tiextraction blast furnace slag (TEBFS) is the metallurgical solid waste generated during titanium extraction by hightemperature carbonization and lowtemperature selective chlorination process in China The high chlorine content in slag restricts its largescale utilization in engineering materials To solve this problem, this study comprehensively Overall Utilization of TiExtraction Blast Furnace Slag as a Raw The blast furnace flush slag is meant that blast furnace slag flows out the back and cools off the technical process that granulation forms grain slag by spraying water with high pressure of slag runner ditch head bottom, and its process unit comprises the Punched box of slag runner ditch head and the high pressure water spray nozzle of bottomBecause high pressure water spray Blast furnace waterflushingslag apparatus Google Patents

A study on waterquenching waste heat recovery from molten slag of slag

2016年9月5日  The radiant heat on the surface of flushing slag water is gotten from the hightemperature gas, which can be calculated by (2) Q r = A sd C b X sf ε so ε f t g + 273 100 4t f + 273 100 4 where A sd is the area of the slag discharge opening, C b is the radiation coefficient of blackbody, X sf is the angular factor, ε so and ε f are emissivities of the slag discharge opening 2021年11月3日  The technological factors required to improve the operational properties of granulated metallurgical slags demanded in the building industry have been analyzed In order to satisfy these factors, a new technology for hydrovacuum granulation of slag melts (HVG) has been developed It is shown that the main advantage of the proposed HVG process is the A new technological approach to the granulation of slag melts of 2020年12月25日  In this report a nonexhaustive overview of optimization methods for flushing in WDS is given The deterioration of drinking water during distribution process is caused by many factorsTechnical Report: Flushing Strategies in Drinking Water Systems2020年7月20日  Efficient utilisation and recycling of industrial waste along with minimum exploitation of natural resources are major challenge towards the circular economy and sustainability of the planet Blast furnace slag is a byproduct of the ironmaking process while producing pig iron The present research provides an understanding of the two different types Utilisation perspective on water quenched and aircooled blast

Blast furnace waterflushingslag apparatus Google Patents

The blast furnace flush slag is meant that blast furnace slag flows out the back and cools off the technical process that granulation forms grain slag by spraying water with high pressure of slag runner ditch head bottom, and its process unit comprises the Punched box of slag runner ditch head and the high pressure water spray nozzle of bottomBecause high pressure water spray 2016年6月30日  water volume (gallons) of the hydronic system(s) for the CFW Procedure and the required flow rate (GPM) to remove debris, slag and/or surface corrosion byproducts 5 The Water Treatment Supplier shall submit to the OSU Project Manager, the SDS (Safety Data Sheets) documentation for all chemicals used for the CFW process 6CLEANING, FLUSHING, WATER TREATMENT PROCEDURERequest PDF On Jun 1, 2016, Hong Wang and others published Energy–environment–economy evaluations of commercial scale systems for blast furnace slag treatment: Dry slag granulation vs water Energy–environment–economy evaluations of commercial scale 2012年12月6日  The invention discloses a utilization method for the waste heat of blast furnace slag, belonging to the technical field of utilization of the waste heat of furnace slag A heat exchange station (6) is built nearby a sedimentation basin (1), and used for installing a spiral slagflushing water special heat exchanger and a steamwater shellandtube head exchanger; the Utilization method for waste heat of blast furnace slag

Procedure for Cleaning and Flushing of the Chilled Water Piping

2018年9月8日  Refill the system with clean water and run the chilled water pump for 2 hours Open the drain valves in the main lines and drain the water completely Clean the strainers During the flushing process the drain valves shall be kept open while the pump is running, until the water appears clean Close all the drain valves2021年1月4日  Dry centrifugal granulation (DCG) experiments for blast furnace slag (BFS) were performed by means of a rotary disk atomizer since water quenching method can create a series of problems The results showed that the DCG method can granulate the BFS, but the results are easily affected by the slag flow rate, disk rotating speed, disk radius, disk material and slag Effect of process parameters on dry centrifugal granulation of This document outlines procedures for cleaning, flushing, and passivating a chilled water piping system It describes cleaning the system to remove particulate contaminants in order to improve efficiency and prevent corrosion The process involves an initial flush with clean water, followed by chemical treatment to loosen deposits and passivate surfaces A final dualdirectional flush Method Statement For Cleaning Flushing and Passivation of Chilled Water 2023年11月20日  Mineral process wastes, such as metallurgical slags nowadays, are of significant metals and materials resources in the circular economy The usability of ironmaking slag is well established; however, steel slag still needs to be utilized due to various physicochemical constraints In this context, we have reviewed the global steel slag A Review on Environmental Concerns and Technological

Power generation model and numerical simulation of blast furnace slag

2014年2月1日  The results shows that based on thermoelectric power generation technology and blast furnace slag flushing water at 100°C, water temperature drop is 15°C per meter process, about 093 kW 2014年2月19日  Drumgranulation process is a new process for molten steel slag granulation It is an improved version of the HK process, which was originally used for BF slag granulation []A kind of heat resistant alloy steel was used as material of the drum, and the cooling ability for the drum was enhanced in order to fit the high temperature of molten BOF slagCurrent Development of Slag Valorisation in China

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