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What else can I help you with?
What is a steel mill?
A Mini Mill, i.e. Electric Arch Furnace (EAF) melting shredded steel scrap &/or a combination of Hot Briquetted Iron (HBI) or Direct Reduce Iron (DRI).
How do you calculate refractory wear index in electric arc furnace?
The refractory wear index in an electric arc furnace (EAF) is calculated by measuring the thickness loss of the refractory lining over a specific time period. This involves taking initial and final measurements of the refractory lining's thickness and calculating the difference. The wear index can also be expressed as a ratio of the volume of refractory material lost to the total volume of the refractory lining, often normalized by the duration of the operation. This index helps in assessing the performance and longevity of the refractory materials used in the EAF.
Explain how would you proceed in designing a waste disposal system for a steel plant?
The world steel industry produces about 780 Mt of crude steel and simultaneously approximately 300 Mt of solid wastes products are also produced. Thus an average of about 400 Kg of solid by products is generated in the steel industry per tonne of crude steel. Major share of this (70-80%) consists of Blast Furnace Slag and basic Oxygen Furnace Slag. These wastes are an ecological hazard. The total steel production in India is about 25 million tones and the waste generated annually is around 8 million tones (considerably higher than the world average). Though the report has highlighted the associated ecological problems and suggested management, the main purpose of the report is to highlight the business opportunities available in utilization of the generated wastes into commercial products. Technologies have been developed in most the developed nations of the world for utilization of the generated wastes. and there are nations, which have total utilization of the wastes. In India though utilization of wastes have begun it is still quite some time before there is total utilization. The report has focused on the wastes generated - quality and quantity- by integrated steel plants, secondary steel sector and electric arc furnaces in India. Technologies developed for utilization of the generated wastes into useful products have been covered along with the technology sources, in India and abroad, and estimated project costs. The report has also presented a plan for zero waste programmeOne of the major concerns of world steel industry is the disposal of wastes generated at various stages of processing. The global emphasis on stringent legislation for environmental protection has changed the scenario of waste dumping into waste management. Because of natural drive to be cost-effective, there is a growing trend of adopting such waste management measures as would convert wastes into wealth, thereby treating wastes as by-products. This has led to aiming at of zero-waste technologies. The technologies developed to economically convert wastes of steel plants into wealth provide new business opportunities for prospective entrepreneurs. Such technologies which have been identified in the report through adequate deliberations are indicated below in two categories, namely technologies for gainful utilisation of wastes in manufacture of conventional products and those for gainful conversion of wastes into altogether new productsEcological problems and their managementThe major solid wastes of steel plants that are dumped namely, BF sludge, spent refractories and fly ash, pose ecological problem and parallel initiatives are required for eco-friendly management of solid wastes. The following two ways have been identified and dealt with in this chapter for management of ecological problems.* Plantation for green cover* Plantation of flowering and tree species.There are conflicting reports of effects of soil amended by fly ash on vegetables. Pending confirmation and reconfirmation of no harmful effects on vegetables, fly ash is prohibited in production of vegetables or food grains. Therefore, fly ash may be used for plantation of flowering plants and tree species'.Practices and technologies of steel plant solid waste management.Practices and technologies of steel plant solid waste management have been classified into three groups as follows.Minimisation of wastesRecycling of wastesReuse ( including sale to outside parties) of wastesFor minimisation of wastes, minimisation measures have been indicated. For recycling / reuse, the technologies have been briefly described with the name of the developing agency and the commercial status in this chapter. Cost data for implementation of the technologies could not be made available, because, normally, foreign parties reply only to queries about specific projects. It is suggested that research proposals may be made for the technology packages involved for indigenous through technology absorption and commercialisation, end then exemplary facilities based on cost-effective technologies may be set up for other entrepreneurs to follow suit. Problems and prospects of managing key by-products which are substantially dumped at present like steelmaking slag, BOF dust/sludge, fly ash and spent refractories have been dealt with at length.Plan for zero waste programmeIt is emphasised that all the industries, including the steel industry, are to be committed to 'sustainable '. Therefore, steel plants have no option but to plan immediately for a zero waste programme and implement the same. Aim of zero waste programme is make the total dumped quantity and so the individual waste quantities dumped to zero or near zero, or in other words, to produce 100% or almost 100% products. Wastes generated in all the model plants have been analysed and measures have been suggested to eliminate or minimize dumping.The chapter solicits initiatives from Govt. of India for creation of community cement plant to be built, owned and operated by a third party to take care of EAF slag's and community 2-stage Waelz kiln of adequate capacity to take care of zinc-rich EAF dust from a cluster of SSPs (EAF). To achieve the goal of zero waste programme on national basis as a part of 'sustainable ' initiative from Govt. of India is necessary to provide community ferruginous waste processing plants based on technologies like REDSMELT, FASTMET, ROMELT, Hamborn Shaft Furnace or process developed by RDCIS for utilisation of ferruginous wastes, to be built, owned and operated by third parties
What is EAF?
EAF stands for electric arc furnace.
How much EAFElectric arc furnace dust generated per year in India?
There are 183 EAF in India of which 36 re greater than 25 ton capacity. The EAF dust generated is from 10 to 18 kg per metric ton of steel produced. I will appreciate if you can let me know how much EAF dust is produces in the EAF plant you operate.
Words ending in eaf?
Deaf, leaf, sheaf.
What is EAF and how does it relate to California court?
court code m30
Unix command to identify defunct processes?
PS -eaf|grep defunct
Do cheetahs eat antelopes?
yes, cheetahs do eaf antelope
What does EAF LLC means on your credit report?
It's a collection agency after you for some unpaid debt.
What is the difference between Conarc furnace and eaf?
In BOF the steel making is done by blowing oxygen through a lance and in EAF it is done by producing an arc from the electrodes. A Con-arc furnace makes use of both the technologies i.e both the oxygen blowing and electrode arc method. The input for BOF is Hot metal whereas the input for EAF is scrap. but the input for Con-arc furnace is 50% Hot metal and 50% Scrap.
A concept defined as the vision of how the Air Force will present and manage forces in the 21st century is?
EAF - Expeditionary Aerospace Forces
What does EAF mean when relating to Persia in 1915?
Unknown. The 1915 forces in the area were Mesopotamian Expeditionary Force and Indian Expeditionary Force.
What does court code eaf stand for?
There is no standard nationwide method for this. It probably means something only to your local court system. Contact the Office of The Clerk of Court and ask.
My brother was selected in HP India some 3-4 days back when will he get offer letter?
It should take 2 to 3 days after submitting the EAF form
