Photocatalytic flue gas mercury removal device in power plant chimney
A technology of photocatalysis and flue gas, which is applied in the direction of gas treatment, chemical instruments and methods, and separation of dispersed particles, can solve the problems of limited mercury removal efficiency, and achieve the goal of increasing adsorption and photocatalytic reaction efficiency, improving efficiency, and increasing efficiency Effect
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[0027] Example
[0028] Such as figure 1 , 2 As shown, a photocatalytic flue gas mercury removal device in a power plant chimney includes a shell, a UV ultraviolet lamp unit arranged in the shell, and a photocatalytic reaction unit arranged in the shell. The photocatalytic reaction unit is composed of a plurality of metal sheets 6 The metal foil 6 is radially arranged in a "spider web-like" structure with the axis of the shell as the center. The surface of the metal foil 6 carries a catalyst. In this embodiment, the photocatalyst is TiO 2 / BiOIO 3 Specifically, connecting different metal sheets 6 and arranging them uniformly and symmetrically into a "spider web-like" radiation structure centered on the center of the shell can greatly increase the contact time and contact area of the smoke when passing through the structure, and the "spider The "net" structure has little resistance to the flow of smoke.
[0029] The shell is cylindrical and consists of an inner shell 5 and an oute...
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