steel smelting desulfurizer production equipment

Method for dephosphorization and desulphurization in process of steel

The invention provides a method for dephosphorization and desulphurization in the process of steel production in an induction furnace, which is characterized by comprising the following steps of: during the smelting period and the initial period of total meltdown of charging materials, controlling the temperature of molten steel to below …Web

IOP Conference Series: Earth and Environmental Science …

but also causes the metal pipes and equipment corrosion in the hot and humid conditions. When burning, H2S will be oxidized to SO2, which is one of major atmospheric pollutants [2]. Moreover, H 2S is responsible for the peculiar smell in some processes such as waste water treatment plants, animal processing plants, and food-processing plants.Web

Experimental Study on Deep Desulfurizer in LF Process

According to the result of industrial production, this desulfurizer could meet the production requirement for ultra-low sulfur steel, of which sulfur mass percent is under 0.0015%. ... Variety Steel Smelting Practice and Refining Effect Analysis in LF Furnace Process [J]. Research on Iron and Steel, 2007, 35(6): 8 (in Chinese).Web

Effect of Sulfur Content on Copper Recovery in the …

Reduction smelting is one of the methods to recover copper from copper smelting slag [1,2]pared with flotation, the reduction smelting method can directly treat molten copper slag and has better …Web

Desulfurizing Steel: Magnesium is the Reagent of Choice

Steelmakers rely on magnesium reagents to produce the top-quality steel demanded by the building industry for such structures as One World Trade Center, now under construction …Web

Effect of Sulfur Content on Copper Recovery in the …

smelting. From the perspective of actual production, the uncontrollable sulfur content in the molten pool may be the root cause of the instability of reduction yield. Yun Wang also pointed out the influence of sulfur content on reducing Ni-containing slag in previous research [20,21] and put forward the idea of oxidation desulfurization andWeb

Experiment and Mechanism Analysis of Desulfurization with a …

1. Introduction At present, the most widely used desulfurization technology is the wet limestone gypsum method (FGD), which belongs to wet desulfurization. The …Web

Smelting production process of foreign bearing steel, many …

Production of Ø102-600mm bar, etc., outer diameter 50-180mm hot-rolled steel pipe, outer diameter 22-95mm cold-rolled steel pipe; Datong, Japan: scrap preheating - 90tEAF - LF - RH - CC (370mm × ...Web

Summary of research progress on industrial flue gas …

Introduction. In the industrial production of China, the processing of phosphate rock, volcanic eruptions, kerosene combustion and aluminum smelting will lead to flue gas emissions containing a large amount of SO 2.SO 2 is a highly irritating gas. Because SO 2 is freely soluble in water and enters the respiratory tract, it can generate …Web

Desulfurization of steel [SubsTech]

Desulfurization of steel by injection of active agents. Injection of desulfurizing agents to a molten steel is the most effective method of sulfur removal. Injection …Web

A Review on Desulfurization Technologies of Blast Furnace …

The blast furnace gas, a low-calorific value fuel, is worthy of recycling. However, the sulfuric contents in blast furnace gases would cause pipeline corrosion and air pollution that are adverse to reutilization of blast furnace gases. Therefore, desulfurization technologies of blast furnace gas are necessary, which have been recently attracting …Web

Experiment and Mechanism Analysis of Desulfurization with a …

To reduce the cost of the current commercial desulfurization and eliminate effluents, the MgO-based desulfurizer fixed bed desulfurization tests were carried out in a dry environment. By means of X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy, the absorption effects of the MgO-based desulfurizer on …Web

Oxidative Desulfurization of Heavy Oils with High Sulfur Content …

The demand for clean fuels is increasing throughout the world, with more stringent environmental regulations for transportation fuels including marine fuels, particularly regarding their sulfur content. Moreover, the quality of crude oil and derived petroleum cuts is getting lower while fossil fuels are still in high demand. Heavy oils are …Web

Desulphurisation

6.11.4.4 Process description of dry desulfurization. Dry desulfurization is precision desulfurization. The equipment's fundamental principle of dry desulfurization is oxidizing the H 2 S to sulfur or sulfur oxides, which can be described as a dry oxidation process. After the concentration of H 2 S is desulfurized to <150 mg/m 3 by wet ...Web

Application and removal mechanism of ZnO/bentonite desulfurizer …

2.1 Materials. Zinc nitrate (Zn(NO 3) 2 ·6H 2 O) came from Guangdong Guanghua Technology Co., Ltd., citric acid (C 6 H 8 O 7 ·H 2 O) came from Tianjin Fuchen Chemical Reagent Factory, bentonite of run-of-mine ore came from Xinjiang's Xiazi Street, and deionized water came from the laboratory self-produced.. 2.2 Methods. The …Web

Calcium Carbide Applications

For this application, Carbide Industries can provide the grade size of calcium carbide that best meets the requirements of a particular application. Standard sizes range from 0.5" x 0.25" (13 mm x 6.5 mm) to …Web

Sulfur dioxide removal: An overview of regenerative flue gas

Using fuel with an ultra-low amount of sulfur is indeed the ideal, environmentally friendly option in lowering SO 2 emissions; however, acquiring cleaner fuel incurs a high refining cost. A favorable option is to install a sulfur recovery unit that produces saleable sulfur in the form of sulfuric acid, provided that the gas stream contains a rich …Web

Desulphurization mechanism and engineering practice of

Comprehensive Utilization of Carbide Slag | SpringerLink

Carbide slag is dehydrated, dried, and burnt at 800–900 °C to prepare high-activity calcium oxide, which can be used in fields, of building material. After pretreating carbide slag, NaOH is added in a certain proportion. The mixture is dissolved in water and chlorine is introduced to prepare bleaching powder. 2.Web

6030 CaSi Cored Wire from China

The use of wire feeding equipment to send the cored wire to molten steel or molten iron can shorten the smelting time, accurately control the composition, and improve the working environment. One of the most common products is the Casi cored wire. The main raw material for the production of Casi cored wire is Calcium Silicon alloy. The crushed ...Web

Summary of research progress on industrial flue gas desulfurization

1. Introduction. In the industrial production of China, the processing of phosphate rock, volcanic eruptions, kerosene combustion and aluminum smelting will lead to flue gas emissions containing a large amount of SO 2.SO 2 is a highly irritating gas. Because SO 2 is freely soluble in water and enters the respiratory tract, it can generate …Web

Steelmaking Casting Steel-making Desulfurizer Compound Steel …

Principles In principle, steelmaking is a melting, purifying, and alloying process carried out at approximately 1,600° C (2,900° F) in molten conditions. Various chemical reactions are initiated, either in sequence or simultaneously, in order to arrive at specified chemical compositions and temperatures.:::Controlling temperature …Web

Smelting Metal: How It Works | Metal Supermarkets

The smelting process. Smelting is a pyrometallurgical process that extracts metals from ores by heating them to high temperatures under the influence of a reducing agent, such as carbon or coke. Smelting's primary purpose is to remove the metal content from contaminants in the ore, such as oxides and silicates. Preparation.Web

Ferroalloys Market Report | Global Forecast From 2023 To 2031

Free Sample. The Global Ferroalloys Market is projected to grow at a CAGR of 4.5% during the forecast period 2021 -2028. The growing demand for ferroalloys owing to their wide application scope across different industries such as steel, metallurgical coke plants, and foundries are expected to drive the growth of this market during the forecast ...Web

Desulfurization in Steelmaking

temperature. Desulfurization occurs in two ways: During rising of the liquid slag particles` interaction with the molten steel and during the interaction of the accumulated top slag …Web

Method for producing high-purity pure iron

Application number is that 200710044143.2 Chinese patent discloses a kind of ultra-low carbon high-purity industrial pure iron and manufacture method thereof, and this technology adopts electric arc furnace smelting dephosphorization, sulphur, and by AOD oxygen blast carbon elimination, steel ingot is poured into a mould in high temperature, high basicity …Web

Azerbaijan Pre-Melted Multifunctional High-Aluminum Steel …

Azerbaijan It is one of the few options for reducing emissions in steelmaking and could provide renewable developers a competitive advantage in the current paradigm. According to McKinsey's SteelLens, hydrogen-based steel production could enable steel production that is nearly carbon-neutral (Exhibit 3).:::Azerbaijan It has a strong deoxidation and …Web

A Review of Modeling Hot Metal Desulfurization

Hot metal desulfurization methods with mechanical stirring were introduced in Germany in the 1960s. The Demag–Östberg Reaction Accelerator (DORA) features a Y-shaped …Web

Resource utilization of solid waste carbide slag: a brief review of

China is the largest producer and consumer of calcium carbide in the world. The calcium carbide industry is an indispensable industry to support the basic life of people. The huge production capacity of calcium carbide is accompanied by a large number of solid waste carbide slag. Due to the immature treatment technology of carbide slag, a large …Web

Metal Casting Supplies | PMCSupplies | PMC Supplies

The casting process has been used for thousands of years for making sculpture, jewelry, tools and more. Here at PMC Supplies, we specialize in offering tools for both melting down precious and non-precious metals and pouring them into a mold. We carry graphite, steel, and cast iron molds to mention a few. These molds are offered in a variety of ...Web