Process for continuously preparing barium titanate powder
A barium titanate powder and process technology, which is applied to the production process field of tubular continuous production of barium titanate, can solve the problems of product scrap, high operation skill requirements, complicated equipment structure, etc., and achieves energy saving, cost reduction, good quality The effect of sintering activity
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Embodiment 1
[0039] 1) Add 400kg of pure water to the enamel kettle, add 550Kg of 10% ammonia solution without stirring, accurately measure 424.8Kg of 25.72% titanium dichloride solution with an electronic scale under stirring, and control the feeding speed of 10- 20 minutes. Add 1600 liters of water and stir for 10 minutes.
[0040] 2) Dilute the above precursor by one time, transport it to the belt filter and filter until the slurry is completely filtered.
[0041] 3) Add 200Kg of pure water to the liquid enamel kettle, add the washed precursor under stirring, and accurately weigh 230kg of barium hydroxide octahydrate, add 6.9Kg of 10% polyethylene glycol, and the rest with pure Add 800 liters of water, stir evenly, transfer to buffer storage tank, and prepare for synthesis;
[0042] 4) The above process is carried out continuously, and the buffer storage tank must not be empty to ensure uninterrupted continuous synthesis.
[0043] 5) Dynamic continuous synthesis reactor: set the flow...
Embodiment 2
[0054] 1) Add 400kg of pure water to the enamel kettle, add 370.5Kg of 20% ammonia solution without stirring, accurately measure 242.8Kg of 31.97% titanium dichloride solution with an electronic scale under stirring, and control the feeding speed 10-20 minutes. Add 1600 liters of water and stir for 10 minutes;
[0055] 2) Dilute the above precursor by one time, transport it to a belt filter and filter until all the slurry is filtered;
[0056] 3) Add 200Kg of pure water to the enamel kettle, add the washed precursor under stirring, and accurately weigh 235.5kg of barium hydroxide octahydrate, add 7.7Kg of 15% polyethylene glycol, The rest is supplemented with 800 liters of pure water, stirred evenly, transported to a buffer storage tank, and prepared for synthesis;
[0057] 4) The above process is carried out continuously, and it is necessary to ensure that the buffer storage tank cannot be empty to ensure the uninterrupted continuous synthesis;
[0058] 5) Start the contin...
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