·During water quenching process high pressure water is employed to shatter the molten slag However the water quenching methods not only fail to recover the high temperature waste heat but also consume a huge amount of fresh water by the evaporation of 1000 1500 l of water per ton of slag [13]
·Gas quenched steel slag abrasive was obtained by gas quenching with high temperature liquid steel slag as raw material The phase composition thermal properties micromorphology magnetic properties and mechanical properties of the particles were characterized by using an X ray diffractometer a differential thermal analyzer a scanning
·30Mn N80Q Study on heat treatment process characteristics of water quenching steel 30Mn; 。 — EDM
·In order to effectively improve the environmental problems caused by steel slag stacking the air quenching process of molten steel slag was carried out and the properties of the air quenched steel slag AQSS has been investigated by various characterization methods The results show that the main phases of AQSS were Ca2SiO4 RO phase solid solution formed
·The main process of the existing steel slag treatment technology is to crush the steel slag during the cooling process of molten steel slag and to realize the digestion of f CaO in steel slag through hydration reactions Typical steel slag treatment technologies include hot splashing water quenching and hot smothering etc Wang et al 2021
·Steel slag carbon fixation can be categorized into direct carbonation dry carbonation wet carbonation and indirect carbonation pH fluctuation microbial carbonation Huang et al 2024 Wang et al 2021 Tian et al employed direct gas carbonation as a method to achieve a maximum carbonation conversion of % and CO 2 sequestration
·In the converter steelmaking process an average of tons of steel slag is produced per ton of steel Water quenching drumming hot splashing and hot stewing are primary treatments steel slag methods [3 4 5] However these methods exhibit low efficiency and poor environmental benefits resulting in resource wastage
Rapid cooling could reduce the content of RO phase in steel slag and the content of RO phase for the furnace cooling air cooling mist cooling and water quenching samples were % %
·To solve high sensible heat loss problem of molten slag three water quenching waste heat recovery systems are proposed For subcooled and boiling water quenching systems the condensate water can be heated SM 8 SM 12 Supplementary Material After evaluating the steel consumption of the heat exchanger it can be found that their
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