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1·The result got from the iron smelting test in cupola furnace shows that the coke briquettes can be used as foundry coke.

冲天炉熔炼化铁试验结果表明，该型焦可以作为铸造焦炭使用。

2·The safety of production can be assured by installation of a balance safety valve at the top of the stack over the cupola furnace.

在冲天炉上部烟囱顶端设安全平衡盖板，以保证生产的正常进行；

3·The furnace adopts the following scheme that: (1)cutting down all hot air cupola furnaces below 5 tons to transform furnace bodies, and reconstructing a large furnace;

该炉所采用的具体方 案是：（1）把5吨以下的热风冲天炉全部砍掉，对炉体进行改造，重新建造一座大型炉；

4·With the upgrading of the single equipment, the metallurgical characteristic of modern cupola - induction furnace duplex melting is variable.

随着单体设备的不断更新升级，现代冲天炉—感应炉双联熔炼的冶金特性也发生了很大的变化。

5·The liningless cupola is featured by that the furnace shaft, except the hearth section, is not lined but substituted by a heat-exchanging jacket (HEJ)which is made of heat-resistant metal.

无炉衬冲天炉的特点是炉体除炉缸部分外，不用炉衬，代之以耐热金属材料制成的炉胆；

6·The progress of cupola and induction furnace melting techniques of cast iron in Japan was introduced.

介绍了日本冲天炉，感应电炉的铸铁熔炼技术进展。

7·The iron is melted with cupola- mainfrequency furnace duplex process, and pouring was conducted with pneumatic insulated pouring ladle.

采用热风冲天炉-工频炉双联熔炼，气压保温浇包浇注。

8·The utility model provides a cupola which belongs to industrial furnace area.

本实用新型提供一种冲天炉，属于工业炉领域。