RU98110078A - METHOD FOR PRODUCING NITROGEN-POTASSIUM FERTILIZER CONTAINING CALCIUM NITRATES, ITS PRODUCTS - Google Patents

METHOD FOR PRODUCING NITROGEN-POTASSIUM FERTILIZER CONTAINING CALCIUM NITRATES, ITS PRODUCTS

Info

Publication number
RU98110078A
RU98110078A RU98110078/12A RU98110078A RU98110078A RU 98110078 A RU98110078 A RU 98110078A RU 98110078/12 A RU98110078/12 A RU 98110078/12A RU 98110078 A RU98110078 A RU 98110078A RU 98110078 A RU98110078 A RU 98110078A
Authority
RU
Russia
Prior art keywords
fertilizer
nitrate
melt
water
fused
Prior art date
Application number
RU98110078/12A
Other languages
Russian (ru)
Other versions
RU2146663C1 (en
Inventor
Обрестад Торстайн
Биргер Исаксен Ян
Густав Моланд Ларс
Original Assignee
Норск Хюдро Аса
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NO19954336A external-priority patent/NO304423B1/en
Application filed by Норск Хюдро Аса filed Critical Норск Хюдро Аса
Application granted granted Critical
Publication of RU2146663C1 publication Critical patent/RU2146663C1/en
Publication of RU98110078A publication Critical patent/RU98110078A/en

Links

Claims (9)

1. Способ получения NK-удобрений, по существу из кальций нитратных удобрений и нитрата калия, в котором кальций нитратное удобрение сплавляют с нитратом калия, отличающийся тем, что кальций нитратное удобрение и нитрат калия сплавляют при 90-120°С с образованием их расплава или суспензии и затем нагревают до требуемой температуры гранулирования и гранулируют с образованием гомогенного NK-удобрения.1. A method of producing NK fertilizers, essentially from calcium nitrate fertilizers and potassium nitrate, in which calcium nitrate fertilizer is fused with potassium nitrate, characterized in that calcium nitrate fertilizer and potassium nitrate are fused at 90-120 ° C. to form a melt thereof or suspensions and then heated to the desired granulation temperature and granulated to form a homogeneous NK fertilizer. 2. Способ по п.1, отличающийся тем, что компоненты смешивают в соотношениях, дающих расплав или суспензию, содержащих 40-14 вес.% нитрата кальция, 55-85 вес.% нитрата калия, 0.5-6 вес. % воды, 0-4 вес.% нитрата аммония и 0-5 вес.% нитрата магния. 2. The method according to claim 1, characterized in that the components are mixed in ratios giving a melt or suspension containing 40-14 wt.% Calcium nitrate, 55-85 wt.% Potassium nitrate, 0.5-6 weight. % water, 0-4 wt.% ammonium nitrate and 0-5 wt.% magnesium nitrate. 3. Способ по п.1, отличающийся тем, что получение частиц осуществляют зернением при температурах 160-190°С. 3. The method according to claim 1, characterized in that the production of particles is carried out by granulation at temperatures of 160-190 ° C. 4. Способ по п.1, отличающийся тем, что получение частиц осуществляют гранулированием расплава или суспензии, содержащей 10-2,5 вес.% воды при температуре гранулирования 90-140°С. 4. The method according to claim 1, characterized in that the particles are obtained by granulating a melt or suspension containing 10-2.5 wt.% Water at a granulation temperature of 90-140 ° C. 5. Способ по п.1, отличающийся тем, что примерно 60 вес.% нитрата калия и примерно 40 вес. % кальций нитратного удобрения сплавляют при примерно 100°С с образованием расплава, содержащего примерно 60 вес.% KNO3, примерно 31,5 вес. % Са(NО3)2, примерно 2,5 вес.% NН4NО3 и примерно 6 вес.% воды, и этот расплав выпаривают до тех пор, пока содержание воды не уменьшится до примерно 3 вес.%, и затем подвергают зернению при 160-170°С.5. The method according to claim 1, characterized in that about 60 wt.% Potassium nitrate and about 40 weight. % calcium nitrate fertilizer is fused at about 100 ° C to form a melt containing about 60 wt.% KNO 3 , about 31.5 wt. % Ca (NO 3 ) 2 , about 2.5 wt.% NH 4 NO 3 and about 6 wt.% Water, and this melt is evaporated until the water content decreases to about 3 wt.%, And then subjected granulation at 160-170 ° C. 6. Способ по п. 1, отличающийся тем, что примерно 30 вес.% гранулированного кальций нитратного удобрения и примерно 70 вес.% кристаллического нитрата калия сплавляют при примерно 100°С и образованный таким образом расплав затем выпаривают до тех пор, пока содержание воды не уменьшится 4,5-2,5 вес.% и впоследствии гранулируют при 165-175°С. 6. The method according to p. 1, characterized in that about 30 wt.% Granular calcium nitrate fertilizer and about 70 wt.% Crystalline potassium nitrate are fused at about 100 ° C and the melt thus formed is then evaporated until the water content 4.5-2.5 wt.% will not decrease and subsequently granulated at 165-175 ° C. 7. Способ по п.1, отличающийся тем, что мелкозернистые частицы из удобрения NK 15-0-33 подают в гранулятор вместе с тем же удобрением в жидком виде и гранулируют при 120-125°С. 7. The method according to claim 1, characterized in that the fine-grained particles from the fertilizer NK 15-0-33 are fed into the granulator together with the same fertilizer in liquid form and granulated at 120-125 ° C. 8. Гомогенное NK-удобрение, содержащее 40-14 вес.% Са(NО3)2, 55-85 вес.% KNO3, 0,5-6 вес.% воды, 0-4 вес.% NН4NО3 и 0,5 вес.% Мg(NО3)2.8. Homogeneous NK-fertilizer containing 40-14 wt.% Ca (NO 3 ) 2 , 55-85 wt.% KNO 3 , 0.5-6 wt.% Water, 0-4 wt.% NH 4 NO 3 and 0.5 wt.% Mg (NO 3 ) 2 . 9. Гомогенное NK-удобрение по п. 8, отличающееся тем, что удобрение представляет собой гранулированный продукт с NK-составами 15-0-35 - 15-0-28, имеющими прочность на раздавливание 2-9 кг. 9. Homogeneous NK-fertilizer according to claim 8, characterized in that the fertilizer is a granular product with NK-compositions 15-0-35 - 15-0-28, having a crushing strength of 2-9 kg
RU98110078/12A 1995-10-27 1996-10-18 Method of preparing nitrogen-potassium fertilizer containing calcium nitrate, and products thereof RU2146663C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO19954336A NO304423B1 (en) 1995-10-27 1995-10-27 Homogeneous NK fertilizer and process for its preparation
NO954336 1995-10-27
PCT/NO1996/000244 WO1997015536A1 (en) 1995-10-27 1996-10-18 Method for making nitrogen-potassium fertilizer containing calcium nitrate and products thereof

Publications (2)

Publication Number Publication Date
RU2146663C1 RU2146663C1 (en) 2000-03-20
RU98110078A true RU98110078A (en) 2000-05-20

Family

ID=19898706

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98110078/12A RU2146663C1 (en) 1995-10-27 1996-10-18 Method of preparing nitrogen-potassium fertilizer containing calcium nitrate, and products thereof

Country Status (20)

Country Link
US (1) US6176892B1 (en)
EP (1) EP0857167B1 (en)
JP (1) JP3771270B2 (en)
CN (1) CN1104398C (en)
AT (1) ATE198463T1 (en)
AU (1) AU712938B2 (en)
BR (1) BR9611237A (en)
CA (1) CA2235577C (en)
CZ (1) CZ295864B6 (en)
DE (1) DE69611457T2 (en)
DK (1) DK0857167T3 (en)
ES (1) ES2155208T3 (en)
IL (1) IL124244A (en)
MX (1) MX9803262A (en)
NO (1) NO304423B1 (en)
NZ (1) NZ321691A (en)
PL (1) PL184223B1 (en)
PT (1) PT857167E (en)
RU (1) RU2146663C1 (en)
WO (1) WO1997015536A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI981490A (en) * 1998-06-29 1999-12-30 Kemira Agro Oy Process for making manure mixtures
NO313695B1 (en) * 1998-07-08 2002-11-18 Norsk Hydro As Method for preparing a homogeneous and ammonium-free calcium nitrate melt and product thereof
CN103833444B (en) * 2014-03-14 2016-03-23 交城县金兰化工有限公司 Nitrocalcite magnesium double salt type composite fertilizer and preparation method thereof
CN103864470B (en) * 2014-03-14 2015-12-30 交城县金兰化工有限公司 Saltpetre magnesium double salt type composite fertilizer and preparation method thereof
CN104692947A (en) * 2015-03-17 2015-06-10 蒋加文 Production proportioning method and use method for nitrogen-potassium complex fertilizer
PE20190283A1 (en) 2016-04-14 2019-02-27 Yara Int Asa COMPOSITION IN PARTICULARS OF CALCIUM NITRATE FOR FERTIIRRIGATION INCLUDING NITRATE-BASED MICRONUTRIENTS AND A METHOD FOR PRODUCING THE SAME
EP3348538A1 (en) * 2017-01-16 2018-07-18 YARA International ASA Calcium nitrate and potassium nitrate fertiliser particles
EP3366658A1 (en) * 2017-02-27 2018-08-29 YARA International ASA Fertilizer particles comprising alternative boron sources

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB392531A (en) 1930-11-01 1933-05-16 Lonza Ag Process for the production of distributable and non-caking fertilisers containing calcium nitrate
FR861676A (en) 1939-07-27 1941-02-14 Ig Farbenindustrie Ag Process for producing calcium nitrate in solid form
FR1279695A (en) 1961-01-18 1961-12-22 Wolfen Filmfab Veb Manufacturing process of a binary fertilizer
US3459531A (en) * 1966-02-16 1969-08-05 Grace W R & Co Method of thermally expanding vermiculite in a hot liquid and product prepared by said process
US4394149A (en) * 1978-02-24 1983-07-19 Szoka Jr Francis C Plant nutriment compositions and method of their application
US4240818A (en) * 1979-03-12 1980-12-23 Andreeva Nina K Procedure for preparing nitrogen-potassium fertilizer
US4954134A (en) * 1989-07-31 1990-09-04 Tennessee Valley Authority Agglomeration of gypsum, limestone, or gypsum-limestone mix
JP2624116B2 (en) 1993-04-22 1997-06-25 松下電器産業株式会社 Liquid crystal display device and projection display device using the same
US5743934A (en) * 1995-03-03 1998-04-28 Magic Green Corporation Soil conditioning agglomerates containing cement kiln dust

Similar Documents

Publication Publication Date Title
US4330319A (en) Manufacture of urea sulfur fertilizer
RU2385311C2 (en) Method of preparing granulated ammonium nitrate-sulphate fertiliser
US4316736A (en) Process for preparing stabilized, ammonium nitrate containing granules
US4943308A (en) Method of producing fertilizer granules containing urea and ammonium sulphate
US6132484A (en) Wet granulation method for generating fertilizer granules
AU742254B2 (en) Wet granulation method for generating granules
US4183738A (en) Granulation process and products produced thereby
US3825414A (en) Urea-ammonium polyphosphate production
RU98110078A (en) METHOD FOR PRODUCING NITROGEN-POTASSIUM FERTILIZER CONTAINING CALCIUM NITRATES, ITS PRODUCTS
US20030135957A1 (en) Wet granulation method for generating granules
US6610267B1 (en) Method for manufacturing a calcium nitrate melt and product thereof
EP1923376B1 (en) Process of preparation ammonium nitrate-sulphate
RU2146663C1 (en) Method of preparing nitrogen-potassium fertilizer containing calcium nitrate, and products thereof
US4256479A (en) Granulation of fertilizer borate
CN107082731A (en) A kind of prilling process of particle nitrogen fertilizer
AU618579B2 (en) Process for the suppression of dust and fines during the granulation of ammonium nitrate with a nitrogen content of 28 per cent - 34.5 per cent
EP0104705A1 (en) Process for preparing granular compound fertilizers having a high potassium content
US3527592A (en) Process for manufacturing granular fertilizer
KR100296488B1 (en) Manufacturing method of compound fertilizer
JP3383224B2 (en) Manufacturing method of granular fertilizer
SU1018929A1 (en) Method for reducing caking of granulated ammonium nitrate
GB2084557A (en) Production of Granular Fertilizer Materials
CS261390B1 (en) Method of crystalline ammonium sulphate re-doing
HU190964B (en) Process for preparing calcium resp. magnesium containing nitrogen fertilizer solution resp. nitrogen suspension