Steel plant power generation apparatus and method
A technology for power generation devices and steel mills, applied in chemical instruments and methods, separation methods, gas turbine devices, etc., and can solve the problems of complexity and high cost, low cost efficiency and benefits, etc.
Active Publication Date: 2015-10-07
AIR PROD & CHEM INC
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[0003] However, there is still room for improvement in the prior art, for example in terms of resource and / or energy conservation in power plants and steel mills, because, for example, the power generating device disclosed in the above-mentioned European Patent Application No. 04078029.8 is suitable for certain application environments In terms of cost efficiency and benefit, it is still not good enough. At the same time, the method disclosed in Chinese patent application No. 201010591337.6 includes several steps of recycling waste water by using various technical means such as mechanical, chemical and biological, which is too complicated and expensive
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[0012] Approximate terms in the specification are used to modify the quantity, which means that the present invention is not limited to the specific quantity, and also includes acceptable modified parts close to the quantity, without causing changes in related basic functions. Accordingly, a numerical value modified by "about", "about", etc., means that the present invention is not limited to the precise numerical value. In some instances, approximate terms may correspond to the precision of the instrument for measuring the value.
[0013] figure 1 It is a schematic diagram of the first embodiment of the power generation device 1 of the steel plant 2 involved in the present invention. The power generation device 1 includes a coal-water slurry preparation unit 10, which receives coal 12 and waste water 11 of a steel plant 2 and prepares a coal-water slurry 13; a gasification unit 14, which gasifies the coal-water slurry 13 to produce carbon monoxide (not shown) and hydrogen (...
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The invention relates to a steel mill power generation device which comprises a water coal slurry preparation unit for receiving coal and wastewater of a steel mill and preparing water coal slurry, a gasification unit for gasifying the water coal slurry to produce synthesized gas comprising carbon monoxide and hydrogen, a treatment unit for treating the synthesized gas to produce treated synthesized gas, and a power generation unit for supplying power to the steel mill by using at least part of the treated synthesized gas. The invention also relates to a corresponding steel mill power generation method.
Description
technical field [0001] The present invention relates to a steel plant power generation device and method. Background technique [0002] Due to the increasing pressure of resource scarcity in the world, there is a growing interest in recovering and recycling resources and / or energy. For example, European Patent Application No. 04078029.8 published on May 10, 2006 discloses a power plant capable of recovering energy from blast furnace gas, a by-product of the operation of blast furnaces in the iron and steel industry. Chinese patent application No. 201010591337.6 published on June 8, 2011 discloses a method for treating and recycling wastewater from steel mills. [0003] However, there is still room for improvement in the prior art, for example in terms of resource and / or energy conservation in power plants and steel mills, because, for example, the power generating device disclosed in the above-mentioned European Patent Application No. 04078029.8 is suitable for certain appl...
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IPC IPC(8): C10L1/32C10J3/00C10K1/00B01D53/62F02C6/00
CPCY02E20/16Y02E20/18Y02W30/542Y02W30/50Y02A50/20C10J3/48C21B3/04F02C3/28F02C3/305
Inventor 薛俊利俞平
Owner AIR PROD & CHEM INC