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我厂一台 WGZ65/39-6型锅炉,在停炉检查中发现,标高为17.2m 的防爆门下方两根水冷壁管上各有一条形状不规则的沟槽,每条沟槽内均有一个黄豆大小的洞(见图1、图2)。
I plant a WGZ65 / 39-6 boiler found in the shutdown inspection found that the elevation of 17.2m explosion-proof door below the two water-cooled wall tubes have an irregular shape of the groove, each groove has A hole of soy size (see Figure 1, Figure 2).