本实用新型属于冶金设备领域，特别涉及球团竖炉的二次冷却系统中的篦板结构的装置。
The utility model belongs to the metallurgical equipment field, in particular relating to a grid plate-structure device inside a secondary cooling system of a pellet shaft furnace.
发电机首次采用冷却水二次冷却密封循环通风冷却系统。
And the generator has firstly adopts airproof circulating ventilation system by after cooling of cooling water.
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