Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of low-cost long-service-life slab continuous casting tundish turbulator
The invention relates to a preparation method of a low-cost long-service-life slab continuous casting tundish turbulence controller. The preparation method comprises the following steps of placing a bottom plate in a reserved space at the bottom of an inner cavity of a shell, positioning the bottom of a sleeve core on the bottom plate, overlapping the longitudinal center line of the sleeve core with the longitudinal center line of the inner cavity of the shell, forming a joint seam between the shell and the sleeve core, filling through sintered magnesia with the particle size smaller than or equal to 1 mm, coating the outer surface with a layer of regenerated magnesia carbon coating with the thickness of 25-35 mm, and performing natural curing for 1-2 days. The preparation method meets thedesign requirement of the internal mold with the special inner cavity shape, the problem that mass production is limited by the number of steel molds is solved, and the preparation period is shortened by 8-24 hours. The regenerated magnesia carbon castable and the regenerated magnesia carbon brick are adopted, the service life reaches 16-20 hours or above, the production cost is reduced by 40% orabove on year-on-year basis, and low cost and long service life are achieved.
本发明涉及一种低成本高寿命板坯连铸中间包湍流控制器的制备方法，将底板放置于外壳内腔底部的预留空间内，套芯的底部定位于底板之上，套芯的纵向中心线与外壳内腔的纵向中心线重合，外壳和套芯之间设有结合缝，采用粒度≤1mm的烧结镁砂填实，并在其外表面涂抹一层厚度为25‑35mm的再生镁碳质涂抹料，自然养护1～2天。该制备方法满足了具有特殊内腔形状的内模设计要求，解决了批量生产受制于钢模数量的问题，同比缩短制备工期8‑24小时。采用再生镁碳浇注料、再生镁碳砖，使用寿命达到16‑20小时以上，生产费用同比降低40％以上，实现了低成本高寿命。
Preparation method of low-cost long-service-life slab continuous casting tundish turbulator
The invention relates to a preparation method of a low-cost long-service-life slab continuous casting tundish turbulence controller. The preparation method comprises the following steps of placing a bottom plate in a reserved space at the bottom of an inner cavity of a shell, positioning the bottom of a sleeve core on the bottom plate, overlapping the longitudinal center line of the sleeve core with the longitudinal center line of the inner cavity of the shell, forming a joint seam between the shell and the sleeve core, filling through sintered magnesia with the particle size smaller than or equal to 1 mm, coating the outer surface with a layer of regenerated magnesia carbon coating with the thickness of 25-35 mm, and performing natural curing for 1-2 days. The preparation method meets thedesign requirement of the internal mold with the special inner cavity shape, the problem that mass production is limited by the number of steel molds is solved, and the preparation period is shortened by 8-24 hours. The regenerated magnesia carbon castable and the regenerated magnesia carbon brick are adopted, the service life reaches 16-20 hours or above, the production cost is reduced by 40% orabove on year-on-year basis, and low cost and long service life are achieved.
本发明涉及一种低成本高寿命板坯连铸中间包湍流控制器的制备方法，将底板放置于外壳内腔底部的预留空间内，套芯的底部定位于底板之上，套芯的纵向中心线与外壳内腔的纵向中心线重合，外壳和套芯之间设有结合缝，采用粒度≤1mm的烧结镁砂填实，并在其外表面涂抹一层厚度为25‑35mm的再生镁碳质涂抹料，自然养护1～2天。该制备方法满足了具有特殊内腔形状的内模设计要求，解决了批量生产受制于钢模数量的问题，同比缩短制备工期8‑24小时。采用再生镁碳浇注料、再生镁碳砖，使用寿命达到16‑20小时以上，生产费用同比降低40％以上，实现了低成本高寿命。
Preparation method of low-cost long-service-life slab continuous casting tundish turbulator
一种低成本高寿命板坯连铸中间包湍流器的制备方法
WU GUANGJUN (Autor:in) / WANG ZHONGXUE (Autor:in) / LIU JIE (Autor:in) / WANG JINHONG (Autor:in) / YIN XIAOXIA (Autor:in) / LIU CHUNWEI (Autor:in)
08.05.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
B22D
CASTING OF METALS
,
Gießen von Metallen
/
C04B
Kalk
,
LIME
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