Cylinder wall residual heat recovery and heat transfer device of dry method cement rotary kiln
A cement rotary kiln and waste heat recovery technology, applied in rotary drum furnace, waste heat treatment, lighting and heating equipment, etc., can solve the problem that the project has not been reported, waste heat recovery sealing, low grade, and the surface waste heat of cement rotary kiln has not been effectively used. Use and other issues to achieve the effect of improving the waste heat recovery rate, increasing the power generation, and promoting the application value.
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[0024] Example one:
[0025] See figure 1 with image 3 As shown, a dry-process cement rotary kiln shell wall waste heat recovery and heat exchange device includes a cement rotary kiln body 1, and one or more sections of fixed outer tube wall 3 and outer tube wall 3 are sleeved outside the cement rotary kiln body 1 Working fluid inlets 2 are provided at both ends. A gap is maintained between the outer surface of the cement rotary kiln body 1 and the inner surface of the outer cylinder wall 3 to form a working fluid channel and a heat exchange space. A working fluid is provided on the middle of the outer cylinder wall 3 Exit 4.
[0026] There are blades 6 on the surface of the cement rotary kiln body 1. The blades 6 can increase the heat dissipation area and strengthen heat exchange on the one hand, and on the other hand, make the working fluid 5 flow along the axial direction of the cement rotary kiln 1 and at the same time along the cement rotary kiln 1. Circumferential flow ext...
Example Embodiment
[0032] Embodiment two:
[0033] See figure 2 As shown, it differs from the first embodiment in that: the outer side of the cement rotary kiln body 1 is sleeved with a fixed outer cylinder wall 3, which is an overall arrangement.
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