Wall-through sealing structure of supercharged boiler
A technology of sealed structure and pressurized boilers, which is applied to the components of steam boilers, steam boilers, steam boiler accessories, etc. It can solve the problems of high furnace temperature, increased boiler double-layer shell expansion, and increased boiler structure difficulty. Achieve the effect of safe and stable operation and good sealing effect
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[0012] Examples of the invention figure 1 As shown, the boiler with a through-wall sealing structure of the pressurized boiler has a double-layer structure. The brick lining 12 is provided with an inner shell guard plate 1 and an outer shell 2, and the inner shell guard plate 1 is sealed and welded with an inner sleeve that penetrates into the boiler. Tube 3, the outer end of the inner sleeve 3 is connected with an inner flange 4, and the inner sleeve 3 is provided with an insertion tube 5 with one end passing through the inside of the boiler and the other end passing through the outer shell 2. The insertion tube 5 and the inner flange 4 , The inner flange and the mating plate 6 are sealed and connected by the packing 7; the outer casing 8 is sealed and welded to the outer casing 2 and sleeved on the insertion tube 5, and the outer end of the outer casing 8 is connected with an outer flange 9. The outer sleeve 8 is welded to the outer flange plate 10; a bushing 11 is provided b...
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