ES2146899T3 - Aparato y procedimiento para revestir un articulo solido. - Google Patents

Aparato y procedimiento para revestir un articulo solido.

Info

Publication number
ES2146899T3
ES2146899T3 ES96928990T ES96928990T ES2146899T3 ES 2146899 T3 ES2146899 T3 ES 2146899T3 ES 96928990 T ES96928990 T ES 96928990T ES 96928990 T ES96928990 T ES 96928990T ES 2146899 T3 ES2146899 T3 ES 2146899T3
Authority
ES
Spain
Prior art keywords
liquid composition
solid particle
procedure
appliance
mass
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
Application number
ES96928990T
Other languages
English (en)
Inventor
George Alan Schurr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of ES2146899T3 publication Critical patent/ES2146899T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Glanulating (AREA)

Abstract

EL PROCEDIMIENTO Y EL APARATO DE LA PRESENTE INVENCION REVISTEN UNA PARTICULA SOLIDA MIDIENDO UNA COMPOSICION LIQUIDA QUE INCLUYE UN MATERIAL DE REVESTIMIENTO, SIENDO LA COMPOSICION LIQUIDA UNA SOLUCION, UNA SUSPENSION O UNA MASA FUNDIDA, E INTRODUCIENDOLA EN UNA VALVULA DE FRENO DEL FLUJO E INYECTANDO UNA CORRIENTE GASEOSA A TRAVES DE LA VALVULA DE FRENO DEL FLUJO AL MISMO TIEMPO QUE SE INTRODUCE LA COMPOSICION LIQUIDA, PARA CREAR UNA ZONA DE TURBULENCIA EN LA SALIDA DE LA VALVULA DE FRENO DEL FLUJO, ATOMIZANDO CON ELLO LA COMPOSICION LIQUIDA. LA CORRIENTE GASEOSA SE CALIENTA ANTES DE SER INYECTADA A TRAVES DE LA VALVULA DE FRENO DEL FLUJO. SE AÑADE UNA PARTICULA SOLIDA A LA ZONA DE TURBULENCIA AL MISMO TIEMPO QUE SE INTRODUCE LA COMPOSICION LIQUIDA Y SE INYECTA EL GAS CALENTADO, PARA MEZCLAR LA PARTICULA SOLIDA CON LA COMPOSICION LIQUIDA ATOMIZADA. EL MEZCLADO EN LA ZONA DE TURBULENCIA REVISTE LA PARTICULA SOLIDA CON EL MATERIAL DE REVESTIMIENTO. SI LA COMPOSICION LIQUIDA ES UNA MASA FUNDIDA, ENTONCES LA PARTICULA SOLIDA SE REVISTE CON LA MASA FUNDIDA. SI LA COMPOSICION LIQUIDA ES UNA SOLUCION O UNA SUSPENSION, LA PARTICULA SOLIDA SE REVISTE CON EL SOLIDO DISUELTO O NO DISUELTO DE LA COMPOSICION LIQUIDA. ESTE APARATO Y PROCEDIMIENTO SUMINISTRAN UN MENOR TIEMPO DE RESIDENCIA, ES DECIR MENOS DE 250 MILISEGUNDOS, EN LA ZONA DE TURBULENCIA, CON LO CUAL SE REDUCE EL TIEMPO Y POR TANTO EL COSTE DEL REVESTIMIENTO DE LAS PARTICULAS. ADEMAS, ESTE PROCEDIMIENTO Y APARATO SUMINISTRAN UN MECANISMO PARA REVESTIR PARTICULAS MUY PEQUEÑAS, EN FORMA DE POLVO O DE GRANULOS, QUE DA COMO RESULTADO UN ELEVADO RENDIMIENTO DE PARTICULAS COMPLETAMENTE REVESTIDAS NO AGLOMERADAS.
ES96928990T 1995-08-29 1996-08-21 Aparato y procedimiento para revestir un articulo solido. Expired - Lifetime ES2146899T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US289695P 1995-08-29 1995-08-29

Publications (1)

Publication Number Publication Date
ES2146899T3 true ES2146899T3 (es) 2000-08-16

Family

ID=21703082

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96928990T Expired - Lifetime ES2146899T3 (es) 1995-08-29 1996-08-21 Aparato y procedimiento para revestir un articulo solido.

Country Status (6)

Country Link
EP (1) EP0847302B1 (es)
JP (1) JPH11512019A (es)
CA (1) CA2230539A1 (es)
DE (1) DE69607847T2 (es)
ES (1) ES2146899T3 (es)
WO (1) WO1997007879A1 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1406503A4 (en) * 2001-06-19 2007-12-19 Du Pont METHOD FOR DRY-COATING A FOOD PARTICLE BZW. Encapsulation of a Frozen Liquid Particle
US20050233074A1 (en) * 2002-08-14 2005-10-20 Dalziel Sean M Solid flowable powder with high liquid loading
JP2006507036A (ja) * 2002-08-14 2006-03-02 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 薬剤粒子のコーティング方法
JP2005535347A (ja) * 2002-08-14 2005-11-24 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 揮発性物質を保存し、酸化を防止するために食品粒子をカプセル化する方法
KR20050073445A (ko) * 2002-08-14 2005-07-13 이 아이 듀폰 디 네모아 앤드 캄파니 코팅된 다가불포화 지방산 함유 입자 및 코팅된 액상 제약함유 입자
AU2003259911A1 (en) * 2002-08-14 2004-03-03 E.I. Du Pont De Nemours And Company Coated soy product and method for coating
US7338995B2 (en) 2004-03-06 2008-03-04 E.I. Du Pont De Nemours And Company Titanium dioxide—containing polymers and films with reduced melt fracture
US20050239921A1 (en) 2004-04-27 2005-10-27 Birmingham John N Preparation of organic additive-treated, pyrogenic silica-encapsulated titanium dioxide particles
AU2005295204B2 (en) * 2004-10-20 2010-12-23 E.I. Dupont De Nemours And Company Additive package for thermoplastic condensation polymers
WO2006076716A1 (en) * 2005-01-14 2006-07-20 E.I. Dupont De Nemours And Company Antistatic agent for polymers
WO2006118715A2 (en) 2005-03-16 2006-11-09 E.I. Dupont De Nemours And Company Inorganic pigments and polymer films containing them having easy cleanability
WO2006133247A2 (en) 2005-06-07 2006-12-14 E. I. Du Pont De Nemours And Company Paper and paper laminates containing modified titanium dioxide
US7601212B2 (en) 2005-08-29 2009-10-13 E.I. Du Pont De Nemours And Company Pigment particles coated with polysaccharides and having improved properties
US8481678B2 (en) 2009-03-30 2013-07-09 E I Du Pont De Nemours And Company Peptide-based tooth whitening reagents
JP5872140B2 (ja) * 2010-03-25 2016-03-01 住友ベークライト株式会社 粒子製造方法および半導体封止用樹脂組成物の製造方法
US9731304B2 (en) 2014-12-11 2017-08-15 James L. Paris Apparatus for coating particulate material flowing through a chute
CN110841556A (zh) * 2019-10-09 2020-02-28 江苏国朗机械制造有限公司 一种热熔式混合制粒机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3704786A (en) * 1971-08-30 1972-12-05 Marc Lerner Particulate filter media having a gradient of removal ratings
US4592302A (en) * 1984-11-07 1986-06-03 Freund Industrial Co., Ltd. Coating method and apparatus
JP2934268B2 (ja) * 1989-12-28 1999-08-16 フクビ化学工業株式会社 粉体の表面被覆方法とその装置

Also Published As

Publication number Publication date
DE69607847D1 (de) 2000-05-25
EP0847302A1 (en) 1998-06-17
CA2230539A1 (en) 1997-03-06
JPH11512019A (ja) 1999-10-19
DE69607847T2 (de) 2000-11-02
WO1997007879A1 (en) 1997-03-06
EP0847302B1 (en) 2000-04-19

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