CN100390142C - 制备尿素颗粒的方法 - Google Patents
制备尿素颗粒的方法 Download PDFInfo
- Publication number
- CN100390142C CN100390142C CNB2004800205557A CN200480020555A CN100390142C CN 100390142 C CN100390142 C CN 100390142C CN B2004800205557 A CNB2004800205557 A CN B2004800205557A CN 200480020555 A CN200480020555 A CN 200480020555A CN 100390142 C CN100390142 C CN 100390142C
- Authority
- CN
- China
- Prior art keywords
- water
- urea
- fluidized
- fluidized gas
- grid distributor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 239000004202 carbamide Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000008187 granular material Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000005243 fluidization Methods 0.000 claims abstract description 7
- 235000013877 carbamide Nutrition 0.000 claims description 60
- 239000011859 microparticle Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 36
- 238000005469 granulation Methods 0.000 description 15
- 230000003179 granulation Effects 0.000 description 15
- 238000001816 cooling Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000009692 water atomization Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Glanulating (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1023941A NL1023941C2 (nl) | 2003-07-17 | 2003-07-17 | Werkwijze voor het bereiden van ureum granules. |
NL1023941 | 2003-07-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101815391A Division CN101230021B (zh) | 2003-07-17 | 2004-07-02 | 用于造粒尿素的造粒机 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1823037A CN1823037A (zh) | 2006-08-23 |
CN100390142C true CN100390142C (zh) | 2008-05-28 |
Family
ID=34075155
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101815391A Expired - Lifetime CN101230021B (zh) | 2003-07-17 | 2004-07-02 | 用于造粒尿素的造粒机 |
CNB2004800205557A Expired - Lifetime CN100390142C (zh) | 2003-07-17 | 2004-07-02 | 制备尿素颗粒的方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101815391A Expired - Lifetime CN101230021B (zh) | 2003-07-17 | 2004-07-02 | 用于造粒尿素的造粒机 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7704419B2 (zh) |
CN (2) | CN101230021B (zh) |
AR (1) | AR046503A1 (zh) |
AU (1) | AU2004257110B2 (zh) |
BR (1) | BRPI0412729B1 (zh) |
CA (1) | CA2531381C (zh) |
EA (1) | EA008450B1 (zh) |
EG (1) | EG23973A (zh) |
MX (1) | MXPA06000606A (zh) |
MY (1) | MY136440A (zh) |
NL (1) | NL1023941C2 (zh) |
WO (1) | WO2005007619A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4852270B2 (ja) | 2005-07-13 | 2012-01-11 | 東洋エンジニアリング株式会社 | 顆粒尿素製品の製造方法 |
CN103252195A (zh) * | 2012-02-17 | 2013-08-21 | 北京丰汉工程咨询有限公司 | 一种流化床造粒*** |
EP2745901A1 (en) * | 2012-12-19 | 2014-06-25 | Urea Casale SA | Method for transforming a prilling tower, in particular in a plant for the synthesis of urea |
EP3112332A1 (en) * | 2015-07-03 | 2017-01-04 | Casale SA | Method for producing solid urea by granulation |
EP3266517A1 (en) * | 2016-07-07 | 2018-01-10 | Casale SA | Granulator for liquid substances, particularly for urea |
EP3508465B1 (de) | 2018-01-08 | 2023-11-29 | thyssenkrupp Fertilizer Technology GmbH | Prallbleche im fliessbettkühler |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4219589A (en) * | 1977-06-09 | 1980-08-26 | Compagnie Neerlandaise De L'azote | Process for urea granulation |
WO1994003267A1 (en) * | 1992-08-07 | 1994-02-17 | Hydro Agri Sluiskil B.V. | Process for the production of urea granules |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3117020A (en) * | 1957-11-29 | 1964-01-07 | Montedison Spa | Process for the spherical granulation of water-soluble nitrogenous material |
US3036338A (en) * | 1959-01-08 | 1962-05-29 | G & A Lab Inc | Coating and pelletizing of fusible materials |
CH431576A (de) * | 1964-01-07 | 1967-03-15 | Inventa Ag | Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln |
US3463098A (en) * | 1967-05-05 | 1969-08-26 | Gen Mills Inc | Low impact agglomerator and method |
US3844726A (en) * | 1971-01-14 | 1974-10-29 | Selvay & Cie | Process for manufacturing granules containing sodium chlorite in a fluidized bed drier |
JPS6034517B2 (ja) * | 1978-03-03 | 1985-08-09 | 宇部興産株式会社 | 流動層で尿素を造粒する方法 |
US4261958A (en) * | 1978-04-11 | 1981-04-14 | Pevzner Ilya Z | Process for the production of sodium aluminate |
US4190622A (en) * | 1978-05-04 | 1980-02-26 | Standard Oil Company (Ohio) | Process for prilling urea |
US4525198A (en) * | 1981-05-13 | 1985-06-25 | Compagnie Neerlandaise De L'azote | Process for the production of urea granules |
DE3206236A1 (de) * | 1982-02-20 | 1983-09-01 | Bayer Ag, 5090 Leverkusen | Verfahren zum gleichzeitigen sichten und geregelten, kontinuierlichen austrag von koernigem gut aus wirbelbettreaktoren |
DE19514187C1 (de) * | 1995-04-21 | 1996-05-15 | Degussa | Verfahren und Vorrichtung zur Herstellung von Granulaten durch Wirbelschicht-Sprühgranulation |
AR028064A1 (es) * | 2000-05-03 | 2003-04-23 | Omnia Fertilizer Ltd | Metodo para producir granulos de nitrato de calcio |
-
2003
- 2003-07-17 NL NL1023941A patent/NL1023941C2/nl not_active IP Right Cessation
-
2004
- 2004-07-02 EA EA200600266A patent/EA008450B1/ru unknown
- 2004-07-02 WO PCT/NL2004/000469 patent/WO2005007619A1/en active Application Filing
- 2004-07-02 CA CA2531381A patent/CA2531381C/en not_active Expired - Lifetime
- 2004-07-02 CN CN2007101815391A patent/CN101230021B/zh not_active Expired - Lifetime
- 2004-07-02 CN CNB2004800205557A patent/CN100390142C/zh not_active Expired - Lifetime
- 2004-07-02 US US10/564,082 patent/US7704419B2/en active Active
- 2004-07-02 MX MXPA06000606A patent/MXPA06000606A/es active IP Right Grant
- 2004-07-02 AU AU2004257110A patent/AU2004257110B2/en not_active Expired
- 2004-07-02 BR BRPI0412729-3A patent/BRPI0412729B1/pt active IP Right Grant
- 2004-07-16 AR ARP040102512A patent/AR046503A1/es active IP Right Grant
- 2004-07-16 MY MYPI20042864A patent/MY136440A/en unknown
-
2006
- 2006-01-16 EG EGNA2006000045 patent/EG23973A/xx active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4219589A (en) * | 1977-06-09 | 1980-08-26 | Compagnie Neerlandaise De L'azote | Process for urea granulation |
WO1994003267A1 (en) * | 1992-08-07 | 1994-02-17 | Hydro Agri Sluiskil B.V. | Process for the production of urea granules |
Also Published As
Publication number | Publication date |
---|---|
AR046503A1 (es) | 2005-12-14 |
AU2004257110A1 (en) | 2005-01-27 |
EA200600266A1 (ru) | 2006-06-30 |
US7704419B2 (en) | 2010-04-27 |
BRPI0412729A (pt) | 2006-09-26 |
NL1023941C2 (nl) | 2005-01-18 |
MY136440A (en) | 2008-10-31 |
CN1823037A (zh) | 2006-08-23 |
AU2004257110B2 (en) | 2009-08-27 |
MXPA06000606A (es) | 2006-04-19 |
CA2531381A1 (en) | 2005-01-27 |
CN101230021A (zh) | 2008-07-30 |
US20060177574A1 (en) | 2006-08-10 |
WO2005007619A1 (en) | 2005-01-27 |
CA2531381C (en) | 2012-06-05 |
EG23973A (en) | 2008-02-24 |
EA008450B1 (ru) | 2007-06-29 |
BRPI0412729B1 (pt) | 2014-04-08 |
CN101230021B (zh) | 2012-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STAMICARBON CO., LTD. Free format text: FORMER OWNER: DSM IP ASSETS BV Effective date: 20110114 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HEERLEN, HOLLAND TO: SITTARD, HOLLAND |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110114 Address after: Holland Stadium Patentee after: STAMICARBON B.V. Address before: Holland Heerlen Patentee before: DSM IP ASSETS B.V. |
|
CX01 | Expiry of patent term |
Granted publication date: 20080528 |