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摘 要
我國(guó)是鋼鐵生產(chǎn)大國(guó)，也是耐火材料需求大國(guó)。全國(guó)僅冶金企業(yè)年耗耐火材料價(jià)值就達(dá)300多億元，可見(jiàn)耐火行業(yè)在鋼鐵行業(yè)的發(fā)展中起著舉足輕重的地位。由于具有獨(dú)特的性能,例如熱導(dǎo)率高、熱膨脹低、抗熱震性能好、與渣接觸化學(xué)活性小,因而鎂碳質(zhì)耐火材料被廣泛應(yīng)用于轉(zhuǎn)爐、電爐、鋼包等領(lǐng)域。本設(shè)計(jì)是對(duì)年產(chǎn)40000噸轉(zhuǎn)爐鎂碳磚生產(chǎn)車間MT-14B和MT-18C產(chǎn)品的設(shè)計(jì)，本設(shè)計(jì)在敘述鎂碳磚的發(fā)展歷史、應(yīng)用、使用條件、損毀機(jī)理及生產(chǎn)工藝流程的基礎(chǔ)上，詳細(xì)論述了鎂碳磚生產(chǎn)的工藝?yán)碚摶A(chǔ)，并對(duì)各工序的設(shè)備選擇和工藝布置進(jìn)行了論證。對(duì)各工序所需處理的物料量和機(jī)械設(shè)備進(jìn)行了平衡計(jì)算以及對(duì)設(shè)備合理的選擇。本設(shè)計(jì)的主要特點(diǎn)是布局合理，工藝流暢并考慮擴(kuò)大生產(chǎn)的需要，對(duì)廢磚坯進(jìn)行回收處理利用，降低成本。
關(guān)鍵詞：鎂碳磚；生產(chǎn)工藝；車間設(shè)計(jì)
Abstract
China is a big steel production country, at the same time, it’s also a country that needs refractory materials. The value of refractory materials that national metallurgical enterprises consume every year reaches more than 30,000,000,000 yuan. It’s clear that refractory industry in the development of steel industry plays an important role. Due to those unique properties such as high thermal conductivity, low thermal expansion, good thermal shock resistance and slag with small contact chemical activity, magnesia carbon refractory materials are widely used in converter, electric furnace , ladle, etc. This design is for yearly producing 40000 tons converter magnesia carbon brick production workshop MT14B and MT18C product design. What’s more, this design describes the historical development of magnesia carbon brick, application, use condition, damage mechanism and production process. And it describes in detail the basis of the theoretical basis of magnesia carbon brick production process, and it expounds equipment selection of every working procedure and process arrangement, too. For each working procedure required for processing the amount of material and mechanical equipment, the balance calculation and reasonable selection of equipment are conducted. The main characteristics of this design are rational layout and process flow, and it considers expanding the need of production, recycling and utilization of waste bricks refractory materials to reduce the cost.
Key words: Magnesia carbon, process design, workshop design