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AUTOCLAVE PLANT FOR HYDROCHEMICAL TREATMENT OF SLURRIES
AUTOCLAVE PLANT FOR HYDROCHEMICAL TREATMENT OF SLURRIES
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机译:渣浆水化学处理的高压釜厂
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摘要
FIELD: mining industry. SUBSTANCE: invention relates to hydrochemical treatment of slurry allowing simultaneous leaching of boxites and multiple evaporation of solution resulting in intensifying agitation of slurry and increasing its concentration. Plant has heating autoclaves 1 with heat exchangers 2, jet heater 3, pumps for pumping slurry between autoclaves, and reaction autoclaves 6 with heat exchangers and separators. Upper and lower sections of heat exchangers 2 are connected with autoclaves through pipes 8 for circulation of slurry. Top section of reaction autoclaves 6 are connected with heaters 3 of the latter heating autoclave and with heat exchanger of next to the latter autoclave through pipe 9. All subsequent heating autoclaves 1 are linked in pairs through steam pipes to heat exchanger 2 of previous autoclaves 1. A part of autoclaves 1 are provided with steam-intake pipes 11 with controllers 12. Heater 3 consists of nozzle 13 and pipe 14 with fender 15. EFFECT: simplified and intensified process. 2 cl, 2 dwg
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