Corner tube boiler adopting uniform scouring convection tube bundle
A technology of convective tube bundles and corner tubes, applied in steam boilers, fluid heaters, steam generation, etc., can solve the problem of high smoke velocity at high temperature end, improve heat transfer coefficient and heat transfer efficiency, improve economic benefits and reliability , the effect of wear reduction
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[0014] In order to better understand the technical solution of the present invention, it will be described in detail below through specific embodiments in conjunction with the accompanying drawings:
[0015] see figure 1 , the corner tube boiler in the prior art has a ∏-shaped structure as a whole, with the furnace 1 on the left and the tail flue 2 on the right, with the furnace rear wall 13 in the middle as the interface between the furnace 1 and the tail flue 2, The furnace 1 is formed by the furnace front wall 11, the side wall 12 and the furnace rear wall 13, and the tail flue 2 is formed by the furnace rear wall 13, the side wall 12 and the flue rear wall 21, wherein,
[0016] A fire grate 3 is provided at the bottom of the furnace 1; a number of convection tube bundles 20 are arranged at intervals from top to bottom in the tail flue 2, and an observation window 23 is arranged on the side wall 12 of the tail flue 2 to stagger the convection tube bundles 20; the tail flue ...
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