Device for preparing hydrogen-rich gas by gasifying biomass under catalysis of high-temperature metallurgical slag particles and method
A catalytic gasification and metallurgical slag technology, applied in chemical instruments and methods, hydrogen, inorganic chemistry, etc., can solve problems such as low quality, poor recovery efficiency of waste heat in slag process, easy carbon deposition and deactivation of catalysts, etc., and achieve hydrogen content High, avoiding secondary energy consumption, avoiding the effect of surface area carbon deactivation
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[0034] Example 1: See figure 1 , Catalytic gasification of high-temperature metallurgical slag particles to produce hydrogen-rich gas devices, including slag rotary granulation device 1, high-temperature slag particle storage chamber 5, downcomer reactor 11, steam generator 10, and biomass raw material screw feeding 器13, separator and hydrogen-rich gas collector 17.
[0035] The high temperature slag particle storage chamber 5 and the biomass raw material screw feeder 13 are respectively located above the downcomer reactor 11, the separator is located below the downcomer reactor 11, and the steam generator 10 and the hydrogen-rich gas collector 17 are respectively located on the downcomer Two sides of the tube reactor 11; the slag rotary granulating device 1 is equipped with a granulated slag particle screen 2, which divides the slag rotary granulating device 1 into two parts, which are located in the granulated slag particle screen Below 2 is the slag particle collector 3, and t...
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[0040] Example 2: The method for preparing hydrogen-rich gas by catalytically gasifying biomass with high-temperature metallurgical slag particles adopts the device for preparing hydrogen-rich gas by catalytically gasifying biomass with high-temperature metallurgical slag particles described in Example 1. The specific steps are as follows:
[0041] 1) Carry out sufficient pretreatment of the biomass raw materials, including drying and crushing, so that the moisture content of the biomass raw materials is less than 10%, and the particle size of the biomass particles is less than 1 mm, and then the biomass raw materials are put into the biomass raw material storage chamber 12.
[0042] 2) The high-temperature metallurgical slag particles with a particle size between 2 and 7 mm are processed by the slag rotary granulation device 1 into the high-temperature slag particle storage chamber 5, which is convenient for the separation of biomass carbon residue and high-temperature metallurgica...
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