Two-stage axial flow turbine blade profile and high coal stove heat recovery device thereof
A blade type and turbine technology, which is applied in the direction of blade support components, engine components, machines/engines, etc., can solve the problems of not being able to improve the heat conversion efficiency of the whole machine, achieve strong energy saving and economy, and improve the conversion rate Effect
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[0085] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some embodiments of the invention, not the complete embodiments. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.
[0086] Such as figure 1 A two-stage axial-flow turbine blade is shown, which is used to transmit blast furnace gas. The section parameters of the rotor blade and stator blade corresponding to the two-stage turbine vary with the height of the blade, satisfying the load factor 1.6~1.9, reaction degree 0.3~0.35, in order to improve the isentropic efficiency of the turbine.
[0087] As an optional implementation, the first turbine stage includes a first moving blade type...
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