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    热风炉中布袋除尘器的应用优势揭示

    2018-11-16 09:22:32 无锡盛发地坪科技有限公司 阅读

    热风炉成都收账格子砖材质为耐高温高铬耐热铸铁RTCr2,允许废气最高温度达450℃,平均废气温度达345℃。废气温度提高,增加了中、下部格子砖蓄热量,从而提高风温。预燃室结构使火焰不与耐火砌体直接接触,且预燃室内温度不超过900℃,对耐火砖和局部过热没有直接影响。整个热风炉成都找人公司寿命只由硅砖拱顶成都收账寿命决定,预计可达20~30a.这就提供了拱顶、格子砖、耐材内衬和炉壳温度收账均匀对称分布,减少了温度应力,使热风炉成都找人公司稳定性大大增强。

    The lattice bricks in hot blast stove are made of high temperature and chromium resistant cast iron RTCr2. The maximum exhaust gas temperature is allowed to reach 450 C and the average exhaust gas temperature is 345 C. The exhaust gas temperature increases, increasing the storage capacity of the middle and lower checker bricks, thereby enhancing the air temperature. The structure of the precombustion chamber prevents the flame from directly contacting with the refractory masonry, and the temperature of the precombustion chamber does not exceed 900 C, which has no direct influence on the refractory bricks and local overheating. The service life of the whole hot blast stove is only determined by the service life of the silicon brick vault, which is expected to reach 20-30a. This provides a uniform and symmetrical distribution of the temperature of the vault, the lattice brick, the refractory lining and the shell, reduces the temperature stress and greatly enhances the stability of the hot blast stove. 采用低压脉冲式布袋除尘净化煤气工艺,减少了耐火砖的化学侵蚀,可确保格子砖使用寿命。拱顶、预燃室球顶炉壳内表面喷涂80mm厚的耐酸喷涂料,在高温作用下,喷涂料与钢壳结成一体,有保护钢壳和绝热的双重作用,既减少了热损失,又提高了热效率。

    The low-pressure pulse bag dust removal process is adopted to purify gas, which reduces the chemical erosion of refractory bricks and ensures the service life of lattice bricks. The inner surface of dome and spherical top furnace shell of precombustion chamber is sprayed with 80 mm thick acid-resistant spraying coating. Under the action of high temperature, the spraying coating is integrated with steel shell, which has the dual function of protecting steel shell and adiabating heat. It not only reduces heat loss, but also improves heat efficiency.

    合理的送风时间、工作周期,充分利用有效蓄热量,加强了中、下部热交换,减少了热风炉高温部位的热波动。既延长了耐火材料的寿命,又减少了风温差值,提高了实际送风温度。

    Reasonable air supply time and working cycle, make full use of effective heat storage, strengthen the heat exchange between the middle and lower parts, and reduce the heat fluctuation in the high temperature part of the hot blast stove. It not only prolongs the life of refractories, but also reduces the difference between wind and temperature, and improves the actual air supply temperature.



    标签:   环氧地坪 地坪 环氧地坪漆 环氧地坪施工 热风炉
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