BR0105117A - Método para obtenção de grãos de uréia - Google Patents
Método para obtenção de grãos de uréiaInfo
- Publication number
- BR0105117A BR0105117A BR0105117-2A BR0105117A BR0105117A BR 0105117 A BR0105117 A BR 0105117A BR 0105117 A BR0105117 A BR 0105117A BR 0105117 A BR0105117 A BR 0105117A
- Authority
- BR
- Brazil
- Prior art keywords
- urea
- grains
- obtaining
- obtaining urea
- urea grains
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 6
- 239000004202 carbamide Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 238000005469 granulation Methods 0.000 abstract 2
- 230000003179 granulation Effects 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 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
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/008—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fertilizers (AREA)
- Glanulating (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
"MéTODO PARA OBTENçãO DE GRãOS DE URéIA". A presente invenção se refere a um método para obtenção de grãos de uréia em uma torre de granulação (1), compreendendo a etapa de produzir uma pluralidade de gotas de uréia fundida que caem de um dispositivo de distribuição (4) de uréia fundida, na direção de uma base de coleta (6) de grãos de uréia da torre de granulação, compreendendo ainda a etapa de resfriamento da base de coleta (6).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00124819A EP1205455B1 (en) | 2000-11-14 | 2000-11-14 | Method and apparatus for obtaining urea prills |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0105117A true BR0105117A (pt) | 2002-06-25 |
BR0105117B1 BR0105117B1 (pt) | 2011-07-12 |
Family
ID=8170370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0105117-2A BR0105117B1 (pt) | 2000-11-14 | 2001-11-07 | método para obtenção de grãos de uréia. |
Country Status (11)
Country | Link |
---|---|
US (1) | US6827887B2 (pt) |
EP (1) | EP1205455B1 (pt) |
CN (1) | CN1261391C (pt) |
AU (1) | AU7822101A (pt) |
BR (1) | BR0105117B1 (pt) |
CA (1) | CA2357845A1 (pt) |
EG (1) | EG23000A (pt) |
MX (1) | MXPA01011543A (pt) |
PL (1) | PL206584B1 (pt) |
RU (1) | RU2001130409A (pt) |
SA (1) | SA01220562B1 (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10042476A1 (de) * | 2000-08-29 | 2002-03-28 | Tessag Ind Anlagen Gmbh | Verfahren und Vorrichtung zum Herstellen kugelförmiger Partikel aus einer Polymerschmelze |
US7498055B2 (en) * | 2003-11-10 | 2009-03-03 | Dsm Ip Assets B.V. | Process for the preparation of urea granules |
US7862642B2 (en) * | 2006-12-14 | 2011-01-04 | Georgia-Pacific Chemicals Llc | Extended-release urea-based granular fertilizer |
US7638076B2 (en) * | 2007-10-26 | 2009-12-29 | Martin Resource Management Corporation | Method and system for pelletizing sulfur |
CN101323550B (zh) * | 2008-06-27 | 2011-05-11 | 成都市新都化工股份有限公司 | 复合肥造粒塔 |
US8329072B2 (en) | 2010-11-24 | 2012-12-11 | Brimrock International Inc. | Method and system for generating sulfur seeds and granules |
US9482461B2 (en) * | 2013-08-22 | 2016-11-01 | King Fahd University Of Petroleum And Minerals | Coolant heat exchanger having a scraper for each heat exchange interface surface |
CN105461360B (zh) * | 2015-12-22 | 2022-01-21 | 江苏瑞安特重型机械有限公司 | 一种高塔造粒装置塔底刮料机 |
CN106278489A (zh) * | 2016-10-17 | 2017-01-04 | 天津亚泰昊德科技有限公司 | 一种生产复合肥的高塔造粒机 |
CN107674002B (zh) * | 2017-09-22 | 2023-10-27 | 河南心连心蓝色环保科技有限公司 | 一种低缩二脲含量车用尿素粉末的生产装置及其生产方法 |
CN107824122B (zh) * | 2017-12-07 | 2020-07-31 | 中国工程物理研究院核物理与化学研究所 | 一种增殖剂陶瓷小球熔融喷雾造粒装置及方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR760836A (fr) * | 1933-09-06 | 1934-03-03 | Procédé et appareil pour le refroidissement de matières pulvérulentes | |
US3607993A (en) * | 1969-05-20 | 1971-09-21 | Malcolm H Tuttle | Method of prilling |
GB1459781A (en) * | 1973-02-09 | 1976-12-31 | Fisons Ltd | Prilling |
DE2802876A1 (de) * | 1978-01-24 | 1979-07-26 | Loedige Maschbau Gmbh Geb | Mischwerk fuer mischmaschinen |
US4190622A (en) * | 1978-05-04 | 1980-02-26 | Standard Oil Company (Ohio) | Process for prilling urea |
US4231227A (en) * | 1979-03-26 | 1980-11-04 | W. R. Grace & Co. | Prill tower rake |
US4313745A (en) * | 1980-12-24 | 1982-02-02 | Lovelace Alan M | Method of forming frozen spheres in a force-free drop tower |
US4998464A (en) * | 1990-07-02 | 1991-03-12 | Process Systems Inc. | Heat exchange device for food |
-
2000
- 2000-11-14 EP EP00124819A patent/EP1205455B1/en not_active Expired - Lifetime
-
2001
- 2001-09-26 CA CA002357845A patent/CA2357845A1/en not_active Abandoned
- 2001-10-04 AU AU78221/01A patent/AU7822101A/en not_active Abandoned
- 2001-10-17 CN CN01136554.4A patent/CN1261391C/zh not_active Expired - Lifetime
- 2001-11-07 BR BRPI0105117-2A patent/BR0105117B1/pt not_active IP Right Cessation
- 2001-11-10 EG EG20011181A patent/EG23000A/xx active
- 2001-11-13 PL PL350668A patent/PL206584B1/pl unknown
- 2001-11-13 MX MXPA01011543A patent/MXPA01011543A/es active IP Right Grant
- 2001-11-13 RU RU2001130409/12A patent/RU2001130409A/ru not_active Application Discontinuation
- 2001-11-13 US US09/987,078 patent/US6827887B2/en not_active Expired - Lifetime
- 2001-11-27 SA SA01220562A patent/SA01220562B1/ar unknown
Also Published As
Publication number | Publication date |
---|---|
EG23000A (en) | 2003-12-31 |
PL350668A1 (en) | 2002-05-20 |
US20020056931A1 (en) | 2002-05-16 |
PL206584B1 (pl) | 2010-08-31 |
BR0105117B1 (pt) | 2011-07-12 |
RU2001130409A (ru) | 2003-07-27 |
EP1205455A1 (en) | 2002-05-15 |
CN1355152A (zh) | 2002-06-26 |
US6827887B2 (en) | 2004-12-07 |
SA01220562B1 (ar) | 2006-11-27 |
EP1205455B1 (en) | 2012-05-30 |
MXPA01011543A (es) | 2002-08-06 |
AU7822101A (en) | 2002-05-16 |
CN1261391C (zh) | 2006-06-28 |
CA2357845A1 (en) | 2002-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR0105117A (pt) | Método para obtenção de grãos de uréia | |
MXPA04006677A (es) | Procedimiento para la preparacion de esteres de escopina. | |
BR9713462A (pt) | Métodos para produção de compostos carotenóides e óleos especiais em sementes de plantas. | |
UY27633A1 (es) | Nuevos ésteres de ácido fluoreno-carbox ílicos, procedimientos para su preparación así como su utilización en calidad de medicamentos | |
WO2011004123A3 (fr) | Procédé de production d'un courant riche en méthane et d'un courant riche en hydrocarbures en c2+, et installation associée | |
DOP2002000385A (es) | Derivados de cromano 2,6-sustituidos utiles como agonistas adrenoreceptores beta-3 | |
IS7909A (is) | Aðferð til að framleiða ljósfræðilega hrein virk efnasambönd | |
BR0116969A (pt) | método e sistema de gerenciamento de resìduo | |
NO20053089D0 (no) | Carbamidsyreestere med anticolinergisk virkning. | |
CO4810305A1 (es) | Transformacion y regeneracion de plantas fertiles de algodon | |
BRPI0513758A (pt) | sistema para produção de ar de processo | |
BR0007643A (pt) | Processo para obter ésteres de (nitroximetil) fenila de derivados de aspirina, e, (hidroximetil) feniléter de derivados de aspirina | |
TW200624029A (en) | Thermal managed interconnect system for a circuit board | |
AU2435200A (en) | Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method | |
HUP0104800A3 (en) | Chromenone and chromanone derivatives as integrin inhibitors, process for producing the same and pharmaceutical compositions containing them | |
PT1257676E (pt) | Processo para a producao de cobre vesicular num reactor de suspensao | |
EP1359467A3 (en) | Arrangement and method for transferring a pattern from a mask to a wafer | |
ECSP077384A (es) | Compuestos tricíclicos que contienen heteroátomos | |
PL366988A1 (en) | Gelling sugar and method for producing the same | |
MXPA02012112A (es) | Composiciones que contienen policarbonato. | |
FR2835185B1 (fr) | Extrait de rhubarbe, compositions obtenues a partir dudit extrait, procede d'obtention et utilisations | |
EP1710251A4 (en) | NEW PEPTIDE, METHOD FOR ITS PREPARATION AND PHARMACEUTICAL COMPOSITION CONTAINING THE PEPTIDE | |
WO2002089176A3 (de) | Verfahren zum vereinzeln von elektronischen bauteilen aus einem verbund | |
WO2001094335A8 (en) | Methods for producing chiral chromones, chromanes, amino substituted chromanes and intermediates therefor | |
FR2846403B1 (fr) | Systeme de regulation automatique de la temperature d'un local notamment d'un local technique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] | ||
B25G | Requested change of headquarter approved | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 07.11.2021 |