Preparation method of blast furnace slag-based microcrystal luminescent glass
A luminescent glass and slag-based technology, which is applied in the field of direct utilization of luminescent materials and metallurgical solid waste, can solve the problems of difficult to meet the color rendering index of LED lighting, many preparation processes, and heavy, etc., to achieve efficient energy utilization and simple production process Effect
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[0022] Example 1
[0023] Weigh 500g blast furnace slag and 10g H 3 BO 3 ,Grinded into powder, placed in a graphite crucible, in a box-type resistance furnace, heated to 1360℃, kept for 2h, sampled in the hot state, it is liquid, quenched in cold water, cooled to room temperature, dried at 60℃, and ground into CMAS Glass powder (A powder) is reserved.
Example Embodiment
[0024] Example 2
[0025] Weigh 500g blast furnace slag and 10g NaNO 3 , Grind into powder, place in a graphite crucible, in a box-type resistance furnace, heat to 1320℃, keep for 2h, take samples in hot state, and be liquid, quench in 10% NaCl solution, cool to room temperature, dry at 60℃, Grind into CMAS glass powder (B powder) for later use.
[0026] 2. Preparation of CMASR microcrystalline luminescent glass
Example Embodiment
[0027] Example 3
[0028] Weigh 3g CMAS glass powder (A powder), doped with 1mol% Eu 2 O 3 After grinding, place it in a graphite crucible, heat it in a resistance furnace at a rate of 10°C / min to 600°C, hold it for 1 hour, and then heat it to 1200°C at a rate of 5°C / min for 6 hours, then cool it to room temperature with the furnace. Sample and grind to obtain CMASE red light microcrystalline luminescent glass powder.
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