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A brick well is a hand-dug well with walls of brick, sometimes called "Dutch brick" if trapezoidal or site-made. The technique is old, but still applicable in developing countries where labor costs are low and materials are expensive.Ancient[edit]Wells dug by hand are mentioned in the Bible. [1] Mes
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Refractory brick lining plays a very important role in blast furnace, but in the production process, the refractory brick lining of furnace wall is gradually eroded by various effects. To prolong the service life of blast furnace, it is necessary to choose and buy refractory brick lining reasonably.
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The fume treatment plant is mainly composed of upper box, middle box, ash hopper, air inlet equalizing pipe, support filter bag, injection device, ash unloading device, etc. The dusty gas enters the ash hopper of each compartment from the air inlet equalizing pipe of the dust collector, and under the guidance of the ash hopper guiding device, the dust of large particles is separated and directly falls into the ash hopper
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The application and development of fume treatment plant technology are closely related to the process of industrialization in China. Dust removal technology generally includes mechanical dust removal, wet dust removal, electrostatic dust removal and bag dust removal. Mechanical dust removal uses the gravity settlement, inertia or centrifugal force of dust to separate dust.
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1. The cost competitiveness of electric furnace steelmaking is not strongSince 2000, the proportion of my country's electric furnace steel output has fallen from the highest 17.6% in 2003 to 6.1% in 2015, and the development speed is obviously lagging behind that of converter steelmaking. The bigges
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Due to the development of modern industry in the 21st century, new requirements for the quality of steel have been put forward, so almost all converters and electric arc furnaces are equipped with ladle refining furnaces.In the molten steel refining process, slag and alloy are added according to the
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