RU2011136893A - METHOD FOR PRODUCING AMMONIUM SULPHATE-NITRATE - Google Patents
METHOD FOR PRODUCING AMMONIUM SULPHATE-NITRATE Download PDFInfo
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- RU2011136893A RU2011136893A RU2011136893/13A RU2011136893A RU2011136893A RU 2011136893 A RU2011136893 A RU 2011136893A RU 2011136893/13 A RU2011136893/13 A RU 2011136893/13A RU 2011136893 A RU2011136893 A RU 2011136893A RU 2011136893 A RU2011136893 A RU 2011136893A
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- ammonium sulfate
- solution
- nitrate
- temperature
- drying
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Abstract
1. Способ получения сульфат-нитрата аммония, включающий приготовление водной пульпы, содержащей сульфат аммония и нитрат аммония, ее последующие гранулирование и сушку в барабанном грануляторе-сушилке, отличающийся тем, что водную пульпу получают в скоростном аммонизаторе-испарителе путем одновременной подачи в него раствора сульфата аммония, 41-60% раствора азотной кислоты, аммиака и процесс ведут до получения сульфат-нитрата аммония при температуре 105-110°С, а гранулирование и сушку проводят в две стадии - сначала в зону распыливания подают топочные газы с температурой 600-800°С и получают пульпу с влажностью 5-8%, а затем ее наносят на завесу гранул и досушку ведут газами с температурой 180-200°С до получения готового продукта с конечной влажностью 0,3-0,7%.2. Способ по п.1, отличающийся тем, что используют раствор сульфата аммония с концентрацией 38-50%.3. Способ по одному из пп.1 и 2, отличающийся тем, что в качестве раствора сульфата аммония используют отходы конверсии фосфогипса, производств капролактама, акрилатов и титановых белил.1. The method of producing ammonium sulfate nitrate, including the preparation of an aqueous pulp containing ammonium sulfate and ammonium nitrate, its subsequent granulation and drying in a drum granulator dryer, characterized in that the aqueous pulp is obtained in a high-speed ammonizer evaporator by simultaneously supplying a solution to it ammonium sulfate, 41-60% solution of nitric acid, ammonia and the process is carried out to obtain ammonium sulfate nitrate at a temperature of 105-110 ° C, and granulation and drying are carried out in two stages - first I feed into the spray zone t flue gases with a temperature of 600-800 ° C and get the pulp with a moisture content of 5-8%, and then it is applied to a veil of granules and dried with gases with a temperature of 180-200 ° C to obtain the finished product with a final moisture content of 0.3-0 , 7% .2. The method according to claim 1, characterized in that a solution of ammonium sulfate with a concentration of 38-50% is used. The method according to one of claims 1 and 2, characterized in that phosphogypsum conversion waste products, caprolactam, acrylates and titanium white are used as a solution of ammonium sulfate.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2011136893/13A RU2483048C2 (en) | 2011-09-07 | 2011-09-07 | Method of producing ammonium sulphate-nitrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2011136893/13A RU2483048C2 (en) | 2011-09-07 | 2011-09-07 | Method of producing ammonium sulphate-nitrate |
Publications (2)
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RU2011136893A true RU2011136893A (en) | 2013-03-27 |
RU2483048C2 RU2483048C2 (en) | 2013-05-27 |
Family
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Family Applications (1)
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RU2011136893/13A RU2483048C2 (en) | 2011-09-07 | 2011-09-07 | Method of producing ammonium sulphate-nitrate |
Country Status (1)
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RU (1) | RU2483048C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2561444C1 (en) * | 2014-06-03 | 2015-08-27 | Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам имени профессора Я.В. Самойлова (ОАО "НИУИФ") | Method of producing sulphur-containing compound fertiliser |
US9932278B2 (en) * | 2015-03-12 | 2018-04-03 | Advansix Resins & Chemicals Llc | Granulator feed apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2227792C1 (en) * | 2003-02-14 | 2004-04-27 | Открытое акционерное общество "Кирово-Чепецкий химический комбинат имени Б.П. Константинова" (ОАО КЧХК) | Method of production of ammonium sulfate nitrate |
SK286016B6 (en) * | 2004-05-13 | 2008-01-07 | Duslo, A. S. | Method for preparation of granulated ammonium nitrate-sulphate fertilizer |
RU2344112C1 (en) * | 2007-07-09 | 2009-01-20 | Закрытое акционерное общество "Завод минеральных удобрений Кирово-Чепецкого химического комбината"(ЗАО "ЗМУ КЧХК") | Method of azotosulphate fertiliser production |
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2011
- 2011-09-07 RU RU2011136893/13A patent/RU2483048C2/en active
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RU2483048C2 (en) | 2013-05-27 |
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