Converter Gas Cooling System and Cooling Method
A converter gas and cooling system technology, which is applied in the direction of manufacturing converters and reducing gas emissions, can solve problems such as increasing the cost of converter gas transmission and distribution, improve the comprehensive utilization rate of energy, reduce construction costs and land occupation, and enhance adjustable sexual effect
Active Publication Date: 2019-02-15
BAOTOU ENG & RES CORP OF IRON & STEEL IND CHINA METALLURGY CONSTR GROUP BERIS
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Problems solved by technology
In the northern region, when the winter temperature is -5°C, it is necessary to consider the heat preservation and drainage problems in the process of converter gas transmission and utilization, which increases the transmission and distribution costs of converter gas
Method used
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Embodiment Construction
[0038] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.
[0039] figure 1 A schematic structural diagram of a converter gas cooling system according to an embodiment of the present invention is shown. Such as figure 1 As shown, the converter gas cooling system includes a liquid nitrogen storage tank 1, a first heat exchanger 5 and a cooler 7, the liquid nitrogen storage tank 1 communicates with the inflow ports of the first group of fluid ports of the first heat exchanger 5, and the first The outflow ports of the first group of fluid ports of a heat exchanger 5 communicate with the first inlet of the cooler 7, the inflow ports of the second group of fluid ports of the f...
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The invention discloses a converter gas cooling system. The converter gas cooling system comprises a liquid nitrogen storing tank, a first heat exchanger and a cooler; the liquid nitrogen storing tank communicates with a flow-in port of a first group of fluid ports of the first heat exchanger, a flow-out port of the first group of fluid ports of the first heat exchanger communicates with a first inlet of the cooler, a flow-in port of a second group of fluid ports of the first heat exchanger communicates with a gas source of converter gas, and a flow-out port of the second group of fluid ports of the first heat exchanger communicates with a second inlet of the cooler. According to the converter gas cooling system, liquid nitrogen by-products of an oxygen production system and liquefied natural gas by-products of a coal carbonization system in an iron and steel enterprise are fully utilized, and the comprehensive energy resource utilization rate in the iron and steel enterprise is increased; a direct water cooling system in a dry dust removing system is cancelled, therefore, the overall water resource consumption of the system is decreased, the adjustability of the cooling system is enhanced, and the overall working efficiency of the cooling system is improved. The invention further provides a converter gas cooling method.
Description
technical field [0001] The invention relates to the technical field of energy recovery and utilization in the metallurgical industry, in particular to a converter gas cooling system and a cooling method thereof. Background technique [0002] In the production process of iron and steel enterprises, a large amount of converter gas will be produced, and converter gas has always been regarded as an important by-product in the production process of iron and steel enterprises, and it is an important secondary energy source. Making full use of the waste heat and combustible gas components of converter gas is the key to the production of iron and steel enterprises. An important means to reduce energy consumption. [0003] Converter gas needs a series of treatments before it can be used. The iron and steel industry generally uses dry electrostatic precipitator technology for converter gas waste heat utilization and gas recovery. After the evaporative cooler cools down, the temperatu...
Claims
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IPC IPC(8): C21C5/46
CPCY02P10/143
Inventor 岳雷
Owner BAOTOU ENG & RES CORP OF IRON & STEEL IND CHINA METALLURGY CONSTR GROUP BERIS