ES2554638T3 - Procedimiento y dispositivo para el secado continuo de producto a granel, en particular de fibras de madera y/o virutas de madera - Google Patents

Procedimiento y dispositivo para el secado continuo de producto a granel, en particular de fibras de madera y/o virutas de madera Download PDF

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Publication number
ES2554638T3
ES2554638T3 ES11174167.4T ES11174167T ES2554638T3 ES 2554638 T3 ES2554638 T3 ES 2554638T3 ES 11174167 T ES11174167 T ES 11174167T ES 2554638 T3 ES2554638 T3 ES 2554638T3
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ES
Spain
Prior art keywords
burner
wood
heat exchanger
vapor
waste gas
Prior art date
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Active
Application number
ES11174167.4T
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English (en)
Inventor
Zdenek Brancuzsky
Günter Hensel
Karel Nápravnik
Wolfgang Dr. Seifert
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.)
Douglas Tech Ltd
Douglas Technical Ltd
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Douglas Tech Ltd
Douglas Technical Ltd
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Publication of ES2554638T3 publication Critical patent/ES2554638T3/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
    • F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
    • F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/04—Arrangements of recuperators
    • 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
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • 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
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/028—Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F26B23/028—Heating arrangements using combustion heating using solid fuel; burning the dried product
    • 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
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
    • 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
    • F26B2200/24—Wood particles, e.g. shavings, cuttings, saw dust
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

Procedimiento para el secado continuo de producto a granel, en particular de fibras de madera y/o virutas de madera, en un secador (1), en particular un secador de tambor, que se carga con el producto a granel y se atraviesa por una mezcla de vapor - gas en un circuito de secado, en el que la mezcla de vapor - gas se calienta a través de al menos un intercambiador de calor (4) de forma indirecta por un gas de escape de quemador calentado en al menos un quemador (5), y los vapores desprendidos de secado se suministran y se calientan en el al menos un intercambiador de calor (4), y antes, después y/o dentro del al menos un intercambiador de calor (4) se desvía al menos un flujo parcial de los vapores desprendidos de secado para la introducción en el quemador (5), y el flujo parcial restante se conduce nuevamente al secador (1), caracterizado por que el flujo parcial hacia el quemador (5) se impulsa por al menos un ventilador de vapores desprendidos parciales (10) regulable, que se regula por niveles de sustancias nocivas del gas de escape de quemador y cuyo ventilador de vapores desprendidos parciales regulable (10) aumenta el caudal y la velocidad del flujo parcial de los vapores desprendidos de secado hacia el quemador cuando aumenta el contenido de humedad en los vapores desprendidos de secado.

Description

imagen1
imagen2
imagen3
imagen4
imagen5
imagen6
exteriores en el techo de cámara de combustión del quemador 5.
La mufla 21 del quemador 5 se refrigera por la conducción del aire de refrigeración. Este aire de refrigeración se impulsa mediante el ventilador 15. La alimentación de este conducto de aire de refrigeración o la refrigeración de la 5 mufla 21 se puede efectuar a través de diferentes conductos. Por ejemplo, se puede efectuar la refrigeración de la mufla con aire fresco 25. Alternativa o adicionalmente a ello se puede efectuar una alimentación con vapores desprendidos parciales 22, con gas de escape de quemador después del intercambiador de calor 23 o aire de salida después del electrofiltro 24. La conducción de estos flujos de aire diferentes se puede efectuar por válvulas previstas correspondientemente. El aire de combustión para el quemador 5 se impulsa por el ventilador 18. Como aire de 10 combustión se puede utilizar aire de salida de prensa 16 o del lavador de prensa o de la sierra 17 y/u otro aire de salida
27. Este aire de salida se calienta por un intercambiador de calor 19, en particular un intercambiador de calor de aire / aire.
La conducción como aire de combustión se controla por una olla de mezcla 26. El intercambiador de calor 19 se
15 alimenta por gases de escape que se originan en la instalación de calderas 28. Para el control de la temperatura del aire de salida de caldera para el intercambiador de calor 19 puede estar previsto un intercambiador de calor 29 adicional, en particular un intercambiador de calor de aceite térmico. El aire de combustión precalentado mediante el intercambiador de calor 19 se puede conducir mediante conexión correspondiente en la olla de calor 26 hacia el quemador 5, hacia la combustión de la instalación de caldera 28 y/o hacia la chimenea 7.
20
8

Claims (1)

  1. imagen1
    imagen2
ES11174167.4T 2008-01-10 2008-01-10 Procedimiento y dispositivo para el secado continuo de producto a granel, en particular de fibras de madera y/o virutas de madera Active ES2554638T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08000348A EP2078911B1 (de) 2008-01-10 2008-01-10 Verfahren zur kontinuierlichen Trocknung von Schüttgut, insbesondere von Holzfasern und/oder Holzspänen

Publications (1)

Publication Number Publication Date
ES2554638T3 true ES2554638T3 (es) 2015-12-22

Family

ID=39494624

Family Applications (2)

Application Number Title Priority Date Filing Date
ES08000348T Active ES2371578T3 (es) 2008-01-10 2008-01-10 Procedimiento para el secado continuo de producto a granel, en particular de fibras de madera y/o virutas de madera.
ES11174167.4T Active ES2554638T3 (es) 2008-01-10 2008-01-10 Procedimiento y dispositivo para el secado continuo de producto a granel, en particular de fibras de madera y/o virutas de madera

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ES08000348T Active ES2371578T3 (es) 2008-01-10 2008-01-10 Procedimiento para el secado continuo de producto a granel, en particular de fibras de madera y/o virutas de madera.

Country Status (10)

Country Link
US (2) US10551121B2 (es)
EP (2) EP2078911B1 (es)
AT (1) ATE520939T1 (es)
CA (1) CA2712007C (es)
ES (2) ES2371578T3 (es)
PL (2) PL2388542T3 (es)
PT (2) PT2078911E (es)
RU (1) RU2467270C2 (es)
UA (1) UA100717C2 (es)
WO (1) WO2009087108A1 (es)

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RU2537199C2 (ru) * 2012-11-01 2014-12-27 Общество с ограниченной ответственностью "Георгиевская инновационная компания" Способ переработки твердых бытовых отходов растительного содержания
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Also Published As

Publication number Publication date
EP2388542A3 (de) 2011-12-28
US10551121B2 (en) 2020-02-04
RU2010132165A (ru) 2012-02-20
CA2712007A1 (en) 2009-07-16
UA100717C2 (ru) 2013-01-25
ES2371578T3 (es) 2012-01-05
CA2712007C (en) 2015-04-21
EP2078911A1 (de) 2009-07-15
EP2388542B1 (de) 2015-09-02
WO2009087108A1 (de) 2009-07-16
US10690409B2 (en) 2020-06-23
PT2388542E (pt) 2015-12-09
PT2078911E (pt) 2011-12-02
PL2388542T3 (pl) 2016-04-29
RU2467270C2 (ru) 2012-11-20
WO2009087108A4 (de) 2010-01-21
US20170051972A1 (en) 2017-02-23
EP2078911B1 (de) 2011-08-17
PL2078911T3 (pl) 2012-01-31
ATE520939T1 (de) 2011-09-15
US20110030235A1 (en) 2011-02-10
EP2388542A2 (de) 2011-11-23

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