A rotary kiln tertiary air duct waste heat recovery device
A rotary kiln and heating device technology, applied in the field of cement processing and manufacturing, can solve problems such as damage, high-temperature corrosion and thermal strain of tertiary air pipes, and achieve the effects of inhibiting thermal strain, solving serious problems of high-temperature corrosion, and efficient heat extraction
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[0019] Example 1: see Figure 1 to Figure 3 , a rotary kiln tertiary air duct waste heat recovery device, comprising: heat exchange medium inlet 1, header plate 2 at the entrance, heat exchange pipe 3, fixed plate 4, heat exchange medium outlet 5, header plate 6 at the outlet, Flange 7, heat exchange pipe partition 8;
[0020] The heat exchange medium inlet 1 is used to connect to an external waste heat utilization system to connect external water flow;
[0021] The header tray 2 at the inlet is used to arrange a plurality of the heat exchange pipes 3 in a circle; the inlet 1 of the heat exchange medium is arranged on the header tray 2 at the inlet;
[0022] The heat exchange pipe 3 is used for the water flow entering the heat exchange medium inlet 1 to obtain heat in the rotary furnace through convective heat exchange and radiation scattering to form high-temperature water flow and water vapor; the inner wall of the heat exchange pipe 3 Short fins are set, and the outer sur...
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