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BR0100068A - Processo contìnuo e dispositivo para a secagem e a formação de gel de polìmeros formadores de gel contendo solventes - Google Patents

Processo contìnuo e dispositivo para a secagem e a formação de gel de polìmeros formadores de gel contendo solventes

Info

Publication number
BR0100068A
BR0100068A BR0100068-3A BR0100068A BR0100068A BR 0100068 A BR0100068 A BR 0100068A BR 0100068 A BR0100068 A BR 0100068A BR 0100068 A BR0100068 A BR 0100068A
Authority
BR
Brazil
Prior art keywords
hpa
gel
drying
continuous process
polymers containing
Prior art date
Application number
BR0100068-3A
Other languages
English (en)
Inventor
Dietrich Gehrmann
Hartwig Kempkes
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR0100068A publication Critical patent/BR0100068A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B17/00—Apparatus for esterification or etherification of cellulose
    • C08B17/06—Apparatus for esterification or etherification of cellulose for making cellulose ethers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Drying Of Solid Materials (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Patente de invenção: <B>"PROCESSO CONTìNUO E DISPOSITIVO PARA A SECAGEM E A FORMAçãO DE GEL DE POLìMEROS FORMADORES DE GEL CONTENDO SOLVENTES"<D>. é descrito um processo contínuo para a secagem e a formação de gel de polímeros formadores de gel contendo solventes, em particular, derivados de polissacarídeos, por meio de resfriamento brusco de suspensões dos polímeros, bem como, um dispositivo para a secagem de produtos contendo solventes. O processo abrange as etapas: dosagem do polímero contendo solventes com um conteúdo de substância sólida de 1 a 65% em peso, e com uma pressão ambiente especial de até 6000 hPa, com uma temperatura do polímero de 20 até 100 C, em uma zona de evaporação (1), sendo que a zona de evaporação (1) apresenta uma pressão de 0,1 hPa até 800 hPa, resfriamento do polímero, em particular, a uma temperatura de < 93 C, liberação do polímero dos solventes em torno de 2 até 5% em peso, com agitação mecânica, mistura e transporte da mistura para a extremidade inferior da zona de evaporação (1) com a formação de uma espessa camada de produto de gel, descarga do polímero com um dispositivo de descarga (7) mecânico, eventualmente, com condensação do polímero e secagem, logo em seguida, do polímero com gel em um dispositivo de secagem para um conteúdo de solvente de, no máximo, 5% em peso. O dispositivo é constituído de, pelo menos, um recipiente de evaporação (3) com uma zona de evaporácão (1), um mecanismo agitador e um dispositivo de transporte (8), com uma admissão de produto (12), uma extração de vapor (5) com produtor de vácuo conectado, com um dispositivo de descarga (7) conectado na extremidade inferior do recipiente de evaporação (3), sendo que no plano mais inferior do dispositivo de transporte (8) estão previstas uma ou mais pás de transporte (9) com aletas de pressão (10), que ultrapassam a entrada do dispositivo de descarga (7) em uma altura de, no máximo, 5 mm, em particular, de 1 a 3 mm.
BR0100068-3A 2000-01-14 2001-01-12 Processo contìnuo e dispositivo para a secagem e a formação de gel de polìmeros formadores de gel contendo solventes BR0100068A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10001256A DE10001256A1 (de) 2000-01-14 2000-01-14 Kontinuierliches Verfahren und Vorrichtung zur Trocknung und Gelbildung von lösungsmittelhaltigen gelbildenden Polymeren

Publications (1)

Publication Number Publication Date
BR0100068A true BR0100068A (pt) 2001-08-21

Family

ID=7627455

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0100068-3A BR0100068A (pt) 2000-01-14 2001-01-12 Processo contìnuo e dispositivo para a secagem e a formação de gel de polìmeros formadores de gel contendo solventes

Country Status (16)

Country Link
US (2) US6381866B2 (pt)
EP (1) EP1116728B1 (pt)
JP (1) JP4632537B2 (pt)
KR (1) KR100722359B1 (pt)
CN (1) CN1203111C (pt)
AT (1) ATE315586T1 (pt)
BR (1) BR0100068A (pt)
CA (1) CA2330714A1 (pt)
DE (2) DE10001256A1 (pt)
HK (1) HK1038934B (pt)
MX (1) MXPA01000434A (pt)
NO (1) NO326512B1 (pt)
PL (1) PL345053A1 (pt)
RU (1) RU2270837C2 (pt)
TW (1) TW573113B (pt)
UA (1) UA75324C2 (pt)

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US8777479B2 (en) * 2008-10-13 2014-07-15 Dfine, Inc. System for use in bone cement preparation and delivery
DE102006006096A1 (de) * 2006-02-10 2007-08-16 Altenburger Maschinen Jäckering GmbH Vorrichtung und Verfahren zur Einspeisung von feuchten und/oder klebrigen Produkten, insbesondere Zellulose, in einer Luftwirbelmühle
EP2316562A1 (de) * 2009-10-29 2011-05-04 Bühler AG Vorrichtung und Verfahren zur Behandlung eines Schüttguts
US9359450B2 (en) 2011-04-06 2016-06-07 Dow Global Technologies Llc Process for reducing the amount of water-insoluble fibers in a water-soluble cellulose derivative
KR101775414B1 (ko) * 2011-07-27 2017-09-19 다우 글로벌 테크놀로지스 엘엘씨 셀룰로스 에테르로부터 알킬렌 할로게노하이드린을 제거하는 방법
FI125941B (en) * 2012-02-13 2016-04-15 Upm Kymmene Corp Method and apparatus for treating fibril pulp and a fibril pulp product
JP6013018B2 (ja) * 2012-04-25 2016-10-25 株式会社カワタ 供給装置
CN102914134A (zh) * 2012-10-15 2013-02-06 曾应祥 一种过热蒸汽干燥装置
EP2937363B1 (en) * 2014-04-22 2019-02-27 Shin-Etsu Chemical Co., Ltd Method for producing cellulose ether
DK2949218T3 (en) 2014-05-28 2018-01-02 Dmk Deutsches Milchkontor Gmbh Process for the production of bacteria-poor milk products
DK2962574T3 (da) 2014-07-02 2017-11-27 Dmk Deutsches Milchkontor Gmbh Proces til fremstillingen af lav-bakterie mælkeprodukter
CN104740888A (zh) * 2014-12-25 2015-07-01 天津北洋百川生物技术有限公司 甜菊叶浸提液的干燥方法
CN108940020A (zh) * 2018-08-15 2018-12-07 邢文涛 一种进料及输送一体化涂料搅拌装置
CN110332776A (zh) * 2019-05-14 2019-10-15 嘉兴沐栗服饰有限公司 一种甘草加工装置
CN111252724A (zh) * 2020-01-19 2020-06-09 清华-伯克利深圳学院筹备办公室 凝胶纤维连续制造装置及连续制造方法和生物打印机
CN111426169A (zh) * 2020-04-12 2020-07-17 嘉兴沃瑞科技有限公司 一种二氧化硅用旋转闪蒸干燥机
CN111916656B (zh) * 2020-07-21 2025-05-13 合肥通用机械研究院有限公司 一种用于三元材料的集成式生产系统
CN111912197A (zh) * 2020-08-03 2020-11-10 南京睿泉环保科技有限公司 一种有机固体的烘干装置
US11287185B1 (en) 2020-09-09 2022-03-29 Stay Fresh Technology, LLC Freeze drying with constant-pressure and constant-temperature phases
CN114082503B (zh) * 2022-01-24 2022-07-12 常州汉科汽车科技有限公司 一种液体合金用辅助颗粒混匀输送设备及其使用方法
CN115406205A (zh) * 2022-09-01 2022-11-29 乐山职业技术学院 一种炭气凝胶干燥装置

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Also Published As

Publication number Publication date
NO326512B1 (no) 2008-12-22
NO20010214L (no) 2001-07-16
EP1116728B1 (de) 2006-01-11
CA2330714A1 (en) 2001-07-14
CN1306028A (zh) 2001-08-01
DE10001256A1 (de) 2001-07-19
EP1116728A1 (de) 2001-07-18
US20020112361A1 (en) 2002-08-22
RU2270837C2 (ru) 2006-02-27
US20010008048A1 (en) 2001-07-19
KR100722359B1 (ko) 2007-05-29
HK1038934A1 (en) 2002-04-04
MXPA01000434A (es) 2002-08-06
ATE315586T1 (de) 2006-02-15
JP4632537B2 (ja) 2011-02-16
PL345053A1 (en) 2001-07-16
US6487788B2 (en) 2002-12-03
TW573113B (en) 2004-01-21
CN1203111C (zh) 2005-05-25
NO20010214D0 (no) 2001-01-12
US6381866B2 (en) 2002-05-07
HK1038934B (zh) 2006-01-13
UA75324C2 (en) 2006-04-17
DE50108644D1 (de) 2006-04-06
KR20010086333A (ko) 2001-09-10
JP2001233961A (ja) 2001-08-28

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Legal Events

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B09B Patent application refused [chapter 9.2 patent gazette]

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B09B Patent application refused [chapter 9.2 patent gazette]

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