Method for preparing ultramarine blue with coal gangue calcination
A technology of coal gangue and calcination, applied in chemical instruments and methods, inorganic chemistry, non-metallic elements, etc., can solve the problems of mining area safety threats, great harm, and harmful crops, so as to increase the ability to earn foreign exchange through exports and promote local economic development , the effect of meeting the needs of the domestic market
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Embodiment 1
[0033] Embodiment 1: a kind of method of gangue calcining produces ultramarine blue, and its steps are as follows:
[0034] 1) Material selection: crush the gangue into fragments with a diameter of 0.4-0.5 mm. The selection standard for coal gangue is to use local coal gangue with high purity and no impurities as the main raw material, and use wind selection impact mill to grind the gangue Make 325 mesh powder into bags for later use.
[0035] 2), ingredients: 700 kg of coal gangue powder, 760 kg of soda ash, 800 kg of sulfur, 100 kg of quartz powder, 115 kg of sodium sulfate, 150 kg of charcoal, and 25 kg of bentonite.
[0036] 3) Grinding: Mix the prepared raw materials evenly and put them into a ball mill for grinding. It is required that the fineness of all materials must be higher than 400 mesh, and the ball milling should be more than 2 hours and less than 3 hours.
[0037] 4) Filling the crucible: compact the prepared raw materials into the crucible several times, and ...
Embodiment 2
[0045] Embodiment 2: a kind of method of gangue calcining produces ultramarine blue, and its steps are as follows:
[0046] 1) Material selection: crush the gangue into fragments with a diameter of 0.4-0.5 mm. The selection standard for coal gangue is to use local coal gangue with high purity and no impurities as the main raw material, and use wind selection impact mill to grind the gangue Make 500 mesh powder into bags for later use.
[0047] 2) Ingredients: 680 kg of coal gangue powder, 770 kg of soda ash, 795 kg of sulfur, 105 kg of quartz powder, 110 kg of Yuanming, 145 kg of charcoal, and 30 kg of bentonite.
[0048] 3) Grinding: Mix the prepared raw materials evenly and put them into a ball mill for grinding. It is required that the fineness of all materials must be higher than 400 mesh, and the ball milling should be more than 2 hours and less than 3 hours.
[0049] 4) Filling the crucible: compact the prepared raw materials into the crucible several times, and arrange...
Embodiment 3
[0057] Embodiment 3: a kind of method of gangue calcining produces ultramarine blue, and its steps are as follows:
[0058] 1) Material selection: crush the gangue into fragments with a diameter of 0.4-0.5 mm. The selection standard for coal gangue is to use local coal gangue with high purity and no impurities as the main raw material, and use wind selection impact mill to grind the gangue Make into 400 mesh powder and pack into bags for later use.
[0059] 2), ingredients: 715 kg of coal gangue powder, 750 kg of soda ash, 805 kg of sulfur, 95 kg of quartz powder, 120 kg of sodium sulfate, 155 kg of charcoal, and 20 kg of bentonite.
[0060] 3) Grinding: Mix the prepared raw materials evenly and put them into a ball mill for grinding. It is required that the fineness of all materials must be higher than 400 mesh, and the ball milling should be more than 2 hours and less than 3 hours.
[0061] 4) Filling the crucible: compact the prepared raw materials into the crucible severa...
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