EA200300805A1 - Способ получения гранул мочевины - Google Patents
Способ получения гранул мочевиныInfo
- Publication number
- EA200300805A1 EA200300805A1 EA200300805A EA200300805A EA200300805A1 EA 200300805 A1 EA200300805 A1 EA 200300805A1 EA 200300805 A EA200300805 A EA 200300805A EA 200300805 A EA200300805 A EA 200300805A EA 200300805 A1 EA200300805 A1 EA 200300805A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- granulating device
- urea granules
- granulation
- air flow
- granulation zone
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Glanulating (AREA)
Abstract
Способ получения гранул мочевины из жидкой композиции посредством распыления жидкой композиции в зоне грануляции гранулирующего устройства на или над твердыми частицами, присутствующими в зоне грануляции, которые поддерживают в движении, в результате которого частицы растут, и удаления потока частиц из зоны грануляции с получением потока частиц требуемого размера, при этом часть воздушного потока, выходящего из гранулирующего устройства во время грануляции, возвращают в гранулирующее устройство. Таким образом, от исходных материалов необходимо очищать только небольшую часть воздушного потока.Международная заявка была опубликована вместе с отчетом о международном поиске.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1017130A NL1017130C2 (nl) | 2001-01-17 | 2001-01-17 | Werkwijze voor het bereiden van granules. |
PCT/NL2001/000910 WO2002057005A1 (en) | 2001-01-17 | 2001-12-14 | Process for the preparation of granules |
Publications (2)
Publication Number | Publication Date |
---|---|
EA200300805A1 true EA200300805A1 (ru) | 2003-12-25 |
EA007007B1 EA007007B1 (ru) | 2006-06-30 |
Family
ID=19772749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200300805A EA007007B1 (ru) | 2001-01-17 | 2001-12-14 | Способ получения гранул мочевины |
Country Status (9)
Country | Link |
---|---|
US (1) | US6884268B2 (ru) |
CN (1) | CN100421776C (ru) |
AU (1) | AU2002225516B2 (ru) |
BR (1) | BR0116870B1 (ru) |
CA (1) | CA2434767C (ru) |
EA (1) | EA007007B1 (ru) |
MX (1) | MXPA03006407A (ru) |
NL (1) | NL1017130C2 (ru) |
WO (1) | WO2002057005A1 (ru) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3962703B2 (ja) * | 2003-05-09 | 2007-08-22 | 東都化成株式会社 | 有機オリゴマーの結晶化方法 |
US7638076B2 (en) * | 2007-10-26 | 2009-12-29 | Martin Resource Management Corporation | Method and system for pelletizing sulfur |
US8329072B2 (en) | 2010-11-24 | 2012-12-11 | Brimrock International Inc. | Method and system for generating sulfur seeds and granules |
CN107261710A (zh) * | 2013-07-05 | 2017-10-20 | 斯塔米卡邦有限公司 | 尿素精整中的粉尘的去除 |
NL2013694B1 (en) | 2014-10-28 | 2016-10-04 | Green Granulation Tech Ltd | Fluidized bed granulation. |
NL2016915B1 (en) | 2016-06-08 | 2017-12-18 | Green Granulation Tech Limited | Fluidized bed granulation |
EP3315192B1 (en) | 2016-10-27 | 2021-12-15 | YARA International ASA | Fluidized bed granulation |
DE102017201182A1 (de) * | 2017-01-25 | 2018-07-26 | Thyssenkrupp Ag | Verfahren und Anlage zur Wärmerückgewinnung bei der Fließbettgranulation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6608867A (ru) | 1966-06-24 | 1967-12-27 | ||
US3600818A (en) * | 1969-04-17 | 1971-08-24 | Grun Kg Maschinenfabrik Geb | Method of and apparatus for treating powdery or granular materials with gaseous, liquid or solid agents or stabilizers |
CH612003A5 (ru) * | 1976-03-02 | 1979-06-29 | Kuelling Hans Peter | |
CA1101641A (en) * | 1977-06-09 | 1981-05-26 | Anton Niks | Urea granulation |
GB1581761A (en) * | 1977-06-09 | 1980-12-17 | Azote Sa Cie Neerlandaise | Urea granulation |
US4473438A (en) * | 1981-05-04 | 1984-09-25 | Witco Chemical Corporation | Spray drying method |
NL8302999A (nl) | 1983-08-27 | 1985-03-18 | Unie Van Kunstmestfab Bv | Werkwijze voor het bereiden van granules. |
DE3909455A1 (de) * | 1989-03-22 | 1990-09-27 | Hoechst Ag | Verfahren zur herstellung von wasserdispergierbaren granulaten |
EP0429881B1 (en) * | 1989-11-17 | 1993-10-27 | Fuji Paudal Co., Ltd. | Dry granulating method and apparatus |
EP0570218A1 (en) * | 1992-05-13 | 1993-11-18 | Matsui Manufacturing Co., Ltd. | Processes and apparatuses for granulating and drying particulate materials |
US5632102A (en) * | 1994-11-14 | 1997-05-27 | Glatt Gmbh | Process and apparatus for the production and/or treatment of particles |
-
2001
- 2001-01-17 NL NL1017130A patent/NL1017130C2/nl not_active IP Right Cessation
- 2001-12-14 CN CNB018220924A patent/CN100421776C/zh not_active Expired - Fee Related
- 2001-12-14 US US10/250,371 patent/US6884268B2/en not_active Expired - Lifetime
- 2001-12-14 BR BRPI0116870-3A patent/BR0116870B1/pt not_active IP Right Cessation
- 2001-12-14 WO PCT/NL2001/000910 patent/WO2002057005A1/en not_active Application Discontinuation
- 2001-12-14 EA EA200300805A patent/EA007007B1/ru not_active IP Right Cessation
- 2001-12-14 AU AU2002225516A patent/AU2002225516B2/en not_active Ceased
- 2001-12-14 MX MXPA03006407A patent/MXPA03006407A/es active IP Right Grant
- 2001-12-14 CA CA2434767A patent/CA2434767C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2002057005A1 (en) | 2002-07-25 |
BR0116870B1 (pt) | 2012-02-22 |
MXPA03006407A (es) | 2004-12-02 |
EA007007B1 (ru) | 2006-06-30 |
CN1527741A (zh) | 2004-09-08 |
US6884268B2 (en) | 2005-04-26 |
BR0116870A (pt) | 2004-01-13 |
US20040088830A1 (en) | 2004-05-13 |
AU2002225516B2 (en) | 2006-06-01 |
CN100421776C (zh) | 2008-10-01 |
NL1017130C2 (nl) | 2002-07-18 |
CA2434767A1 (en) | 2002-07-25 |
CA2434767C (en) | 2011-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ KZ KG MD TJ TM |
|
PC4A | Registration of transfer of a eurasian patent by assignment | ||
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): RU |
|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): BY RU |