A coal-based direct reduction method and rotary hearth furnace with microwave fuel combined with heating
A technology of combined heat supply and rotary hearth furnace, which is applied in the direction of hearth furnace, furnace, furnace type, etc., can solve the impact of microwave device maintenance cost on production operation and economy, the investment cannot be borne by the enterprise, and the whole pico Problems such as the industrialization of Bonan, to achieve the effects of industrialization and market promotion and application, easy realization and promotion of application, and accelerated gasification reaction speed
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[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0045] Electromagnetic performance is the internal factor that reflects the coupling ability of materials and microwaves. The electromagnetic properties of materials determine the microwave heating characteristics of materials and are the foundation of whether materials can be heated by microwaves. Starting from the electromagnetic properties of the material itself, to study the ability of the material to absorb microwaves, the main factors to be investigated are the complex permittivity of the material (the real part of the permittivity ε′ r and the imaginary part ε″ r ), because in the microwave electromagnetic field, the main factor affecting the temperature rise of the material is the dielectric loss. However, the electromagnetic properties of materials will also change greatly with changes in temperature, phase and structure. L...
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