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Oriental coal briquette machine manufacturers explain iron-containing dust and mud (2)

Oriental coal briquette machine manufacturers explain iron-containing dust and mud:
3. Steelmaking dust sludge: Steelmaking dust sludge includes open hearth dust, electric furnace dust, and converter dust. Compared to ironmaking dust sludge, it has a higher iron content and less impurities. During the hot metal refining process, due to the high temperature, the molten iron and some low-melting-point metal impurities gasify and evaporate. The molten steel boils and bursts, splashing a large amount of fine metal droplets into the human vapor phase, and after cooling, it becomes a solid suspended solid. The entrained dust also enters the gas phase with the flue gas, and the total of these suspended matter is steelmaking dust.
Open hearth dust is the powder collected by flue gas purification and electric dedusting in the production of open-hearth oxygen steelmaking. More than 90% of the particles are smaller than 10 μm in size and are brownish red or yellow brown powder. , The fineness is less than 30μm, and has the characteristics of large viscosity, finer particle size, extremely dry, high iron content, and less impurities.
Converter dust is a colloidal dust removal sludge from a steelmaking plant. It is difficult to dehydrate and concentrate. After dehydration using a filter press, the moisture content is still high and sticky, and the ferrous oxide content is high. There are two ways to capture converter dust: one is to capture converter dust through a moving hood-cooling flue-Venturi saturated scrubber; the other is to convert converter dust through a moving hood-steam boiler-forward cooler — The dry electrostatic precipitator was arrested. The total iron content is between 50% and 60%, and the fineness of 80% is less than 40μm.
Electric furnace dust is the dust produced during electric furnace steelmaking. The particle size is very fine. In addition to iron, it also contains zinc, lead, chromium and other metals. The specific chemical composition and content are related to the type of steel smelted. Generally, carbon steel and low alloy steel are smelted. Dust contains more lead and zinc. Dust for smelting stainless steel and special steel contains chromium, molybdenum, nickel, etc. The main catchment methods are smoke trap and flue bag dust collector. 10% to 20% of zinc lead, more than 90% of fineness less than 2μm.
Zhengzhou Dongfang Heavy Machinery Co., Ltd. specializes in the production of ball presses, briquette ball presses, dry powder ball presses, desulfurized gypsum ball presses , mineral powder ball presses , and coal powder ball presses. We will guide you on-site for installation, equipment operation and commissioning, and employee technical training, so that you can enjoy the most comprehensive after-sales service. Inquiries: 0371-88885089 0371-67169912 Ball press equipment network: http://bjkrui.com (lh)

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Xinzhong Machinery is a joint-stock enterprise focusing on production machinery, integrating scientific research, production and sales. The company area is located in Zhengzhou Mazhai Economic Development Zone, covering an area of 60,000 square meters, with more than 35,000 square meters of standard workshops, more than 180 main processing equipment, and more than 1,000 online employees. Mainly produces ore powder ball press , hydraulic ball press , briquette ball press , dry powder ball press , desulfurized gypsum ball press , fire-free brick machine , road tile machine , sand making machine , ball mill , Raymond mill , Impact crusher and other products. Welcome new and old customers to visit and guide.

Recommended products: Ball compaction type coal compactor, dry powder compactor, mineral powder compactor, horizontal double shaft mixer, hammer crusher, impact crusher, fluorite powder compactor

Phone: 0371-55951060 Mobile: 18625555675 (WeChat) / 13938414363
Xinzhong Machinery http://bjkrui.com Address: 18 Dongfang Road, Mazhai Economic Development Zone, Erqi District, Zhengzhou City
Briquette briquette machine , dry powder briquette machine , ore powder briquette machine , desulfurized gypsum briquette machine , pulverized coal briquette machine ,

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