ES2649288T3 - Procedimiento para secar un material húmedo - Google Patents

Procedimiento para secar un material húmedo Download PDF

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Publication number
ES2649288T3
ES2649288T3 ES08714794.8T ES08714794T ES2649288T3 ES 2649288 T3 ES2649288 T3 ES 2649288T3 ES 08714794 T ES08714794 T ES 08714794T ES 2649288 T3 ES2649288 T3 ES 2649288T3
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ES
Spain
Prior art keywords
pressure
mixing
temperature
limit
wet material
Prior art date
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Active
Application number
ES08714794.8T
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English (en)
Inventor
Mark Braendli
Markus Lehmann
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
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Publication of ES2649288T3 publication Critical patent/ES2649288T3/es
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/005—Treatment of dryer exhaust gases
    • F26B25/006—Separating volatiles, e.g. recovering solvents from dryer exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
    • F26B3/20—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface, e.g. a moving belt or conveyor
    • F26B3/205—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface, e.g. a moving belt or conveyor the materials to be dried covering or being mixed with heated inert particles which may be recycled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B7/00—Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/00 and F26B5/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/08—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements
    • F26B9/082—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements mechanically agitating or recirculating the material being dried
    • F26B9/085—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements mechanically agitating or recirculating the material being dried moving the material in a substantially vertical sense using conveyors or agitators, e.g. screws or augers with vertical axis, which are positioned inside the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Sludge (AREA)

Abstract

Procedimiento para secar un material húmedo pastoso (4), en particular lodo, que comprende una sustancia seca TS mezclada con un líquido que se va a evaporar Fd, mediante el uso de un sistema de recipientes hermético al gas y resistente a la sobrepresión y/o a la presión negativa (1), que comprende un recipiente de secado (2) con el material húmedo (4), que puede ser atemperado, un condensador (3) para condensar el líquido Fd convertido en vapor para formar el condensado (5), así como una cámara de vapor (6) que conecta el recipiente de secado (2) con el condensador (3), en donde la cámara de vapor (6) está equipada con un sensor de presión (7) para medir la presión de mezcla pm que se establece en la misma, un sensor de temperatura (8) para medir la temperatura de mezcla Tm que se establece en la misma, así como con un regulador de presión (9), caracterizado porque a) el recipiente de secado (2) con el material húmedo (4) se lleva a una primera temperatura T1 y el condensador (3) se lleva a una segunda temperatura más baja T2; b) se mide la presión de mezcla pm y la temperatura de mezcla Tm; c) se determina la presión de vapor de saturación ps del líquido Fd a la temperatura de mezcla medida Tm; d) se calcula un alcance de presión nominal (11) que está limitado por un límite de presión inferior p1, que se encuentra por lo menos a un 0,1 % por encima de la presión de vapor de saturación ps, y un límite de presión superior p2, que como máximo se encuentra a un 6 % por encima de la presión de vapor de saturación ps; e) la presión de mezcla pm se compara con el alcance de presión nominal (11); f) la presión de mezcla pm se reduce por medio del regulador de presión (9) durante el tiempo exacto hasta que se haya alcanzado el límite de presión inferior p1; g) se repiten las etapas b) hasta e) hasta que la presión de mezcla pm alcance el límite de presión superior p2; h) se repiten las etapas f) y g) hasta que se deba de tener el secado; aspirándose durante la reducción de presión en la etapa f) gases al final de la ruta de condensación con el fin de remover la mayor cantidad posible de gas extraño del sistema de recipientes (1).

Description

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Claims (1)

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ES08714794.8T 2007-04-04 2008-04-01 Procedimiento para secar un material húmedo Active ES2649288T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH5482007 2007-04-04
CH548072007 2007-04-04
PCT/CH2008/000144 WO2008122137A1 (de) 2007-04-04 2008-04-01 Verfahren zum trocknen eines nassmaterials

Publications (1)

Publication Number Publication Date
ES2649288T3 true ES2649288T3 (es) 2018-01-11

Family

ID=38283149

Family Applications (1)

Application Number Title Priority Date Filing Date
ES08714794.8T Active ES2649288T3 (es) 2007-04-04 2008-04-01 Procedimiento para secar un material húmedo

Country Status (5)

Country Link
US (1) US8434241B2 (es)
EP (1) EP2140217B1 (es)
ES (1) ES2649288T3 (es)
HU (1) HUE035231T2 (es)
WO (1) WO2008122137A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2393286T3 (es) * 2007-04-04 2012-12-20 Markus Lehmann Procedimiento para la destilación de un material de partida, e instalación para realizar dicho procedimiento
US9067162B2 (en) * 2011-08-10 2015-06-30 Crown Iron Works Company DT vapor wash
CH710735A1 (de) 2015-02-13 2016-08-15 Thermal Purification Tech Ltd Mehrstufige Destillationsanlage, Verfahren zum Betreiben einer solchen und Steuerung dafür.
CH711261A1 (de) 2015-06-30 2016-12-30 Lehmann Markus Anlage zur Durchführung eines kontiunierlichen, mehrstufigen Industrieprozesses.
CH712029A1 (de) 2016-01-12 2017-07-14 Thermal Purification Tech Ltd Nieder-Temperatur-Destillationsanlage.

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1254139A (fr) * 1960-04-12 1961-02-17 Leybold Hochvakuum Anlagen Dispositif pour séparer sous vide des vapeurs condensables et procédé pour sa mise en oeuvre
SE331269B (es) * 1968-10-31 1970-12-21 E Carlsson
DE2811902A1 (de) * 1978-03-18 1979-09-27 Bayer Ag Verfahren und vorrichtung zum entfernen von loesungsmitteln und reagieren von stoffkomponenten bei mehrstoffgemischen
US4153411A (en) * 1978-04-12 1979-05-08 Envirotech Corporation Rotary sludge drying system with sand recycle
CH641133A5 (de) 1979-05-28 1984-02-15 Escher Wyss Ag Verfahren zum verarbeiten von klaerschlamm.
US5490907A (en) * 1989-01-23 1996-02-13 Agglo Inc. Method for treating sludges
DE3902446C1 (es) * 1989-01-27 1990-07-05 Sulzer-Escher Wyss Gmbh, 7980 Ravensburg, De
FR2687079B1 (fr) * 1992-02-12 1994-09-23 Sirven Procede, machine et installation, d'extraction par evaporation des residus solides d'une matiere fluide.
DE19822355A1 (de) * 1998-05-19 1999-11-25 Pierre Flecher Feinvakuum-Kondensationsholztrockner mit Warmwasser- und Mikrowellenheizung
AT409421B (de) 1999-02-23 2002-08-26 Wolf Systembau Gmbh & Co Kg Verfahren und vorrichtung zum trocknen von feuchtigkeit enthaltenden produkten
WO2002009837A1 (de) 2000-07-27 2002-02-07 Ips Gmbh Einrichtung zum destillieren eines mediums
US6971187B1 (en) * 2002-07-18 2005-12-06 University Of Connecticut Automated process control using manometric temperature measurement
EP1551466A2 (en) * 2002-10-08 2005-07-13 Econova AB Process for conversion of biomass
KR100541159B1 (ko) * 2004-03-02 2006-01-10 (주)대우건설 마이크로파와 가열을 이용한 하수슬러지 처리장치 및 방법
EP1769092A4 (en) 2004-06-29 2008-08-06 Europ Nickel Plc IMPROVED LIXIVIATION OF BASE METALS
EP1776554A4 (en) * 2004-08-12 2014-02-19 Cons Technologies Inc METHOD OF AMENDING SOIL WITH DEHYDRATED SLUDGE

Also Published As

Publication number Publication date
EP2140217B1 (de) 2017-08-30
EP2140217A1 (de) 2010-01-06
WO2008122137A1 (de) 2008-10-16
US8434241B2 (en) 2013-05-07
US20100115789A1 (en) 2010-05-13
HUE035231T2 (hu) 2018-05-02

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