DE19952210A1 - Assembly to dry loose waste materials separated from used paper for recycling has a multi-stage drying vessel with a hot air feed using surplus process heat from the paper prodn - Google Patents

Assembly to dry loose waste materials separated from used paper for recycling has a multi-stage drying vessel with a hot air feed using surplus process heat from the paper prodn

Info

Publication number
DE19952210A1
DE19952210A1 DE19952210A DE19952210A DE19952210A1 DE 19952210 A1 DE19952210 A1 DE 19952210A1 DE 19952210 A DE19952210 A DE 19952210A DE 19952210 A DE19952210 A DE 19952210A DE 19952210 A1 DE19952210 A1 DE 19952210A1
Authority
DE
Germany
Prior art keywords
paper
drying
assembly
waste materials
recycling
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.)
Withdrawn
Application number
DE19952210A
Other languages
German (de)
Inventor
Thomas Hadert
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.)
Kostal & Co Kunststoffvea GmbH
Original Assignee
Kostal & Co Kunststoffvea GmbH
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 Kostal & Co Kunststoffvea GmbH filed Critical Kostal & Co Kunststoffvea GmbH
Priority to DE19952210A priority Critical patent/DE19952210A1/en
Publication of DE19952210A1 publication Critical patent/DE19952210A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/001—Heating arrangements using waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/001—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement the material moving down superimposed floors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/14—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The assembly to dry loose waste materials, and especially the rejected matter from recycling used paper, has a multi-stage drying vessel (1) to contain the material. A feed channel (13), which delivers air into the vessel (1), has a heat exchanger (15). A process heating supply (16) delivers a heating medium to the heat exchanger (15). The drying vessel (1) has a number of drying base levels (2-5), with passage openings. The base of the vessel (1) collects the dry material. A blower fan (14) is in the air feed channel (13).

Description

Die Erfindung betrifft eine Vorrichtung zur Trocknung von Schüttgütern, insbesondere Spuckstoff mit einem Feuchtigkeitsgehalt bis zu 50 Gewichtsprozent.The invention relates to a device for drying bulk goods, in particular rejects with a moisture content of up to 50 percent by weight.

Anwendungsgebiet der Erfindung ist die Trocknung von Spuckstoffen, die bei der Papierherstel­ lung, insbesondere bei der Altpapieraufbereitung anfallen. Derartige Spuckstoffe haben einen Feuchtig­ keitsgehalt von 40 Gewichtsprozent und mehr. Der Heizwert des Spuckstoffes beträgt ca. 12000 kJ/kg, so daß eine Verbrennung zu energieaufwendig ist. Auch eine Deponie derartiger Abfallstoffe ist wirtschaftlich nicht vertretbar.Field of application of the invention is the drying of rejects used in the paper manufacture tion, especially when processing waste paper. Such rejects are moist content of 40 percent by weight or more. The calorific value of the rejects is approx. 12000 kJ / kg, see above that combustion is too energy-intensive. A landfill of such waste is also economical not justifiable.

Aufgabe der Erfindung ist eine wirtschaftliche Aufbereitung dieser Abfallstoffe, so daß eine Ent­ sorgung oder thermische Verwertung ohne Schwierigkeiten möglich ist.The object of the invention is an economical processing of these waste materials, so that a Ent supply or thermal recovery is possible without difficulty.

Diese Aufgabe wird gelöst mit einem mehrstufigen Trockenbehälter für das Schüttgut, mit einem Luftzufuhrkanal zu dem Trockenbehälter, mit einem Wärmetauscher in dem Luftzufuhrkanal und mit einer Prozeßwärmequelle zur Einleitung eines Heizmediums in den Wärmetauscher.This problem is solved with a multi-stage drying container for the bulk material, with a Air supply duct to the drying container, with a heat exchanger in the air supply duct and with a process heat source for introducing a heating medium into the heat exchanger.

Die Erfindung unterscheidet sich insofern vom Stand der Technik, als Prozeßwärme, die in der Papierindustrie im Überfluß anfällt, zur Erzeugung von Warmluft und zur Trocknung eingesetzt wird. Der getrocknete Spuckstoff mit einer Restfeuchte von deutlich weniger als 10% hat einen Heizwert vom 30000 kJ/kg, so daß eine Verbrennung ohne Energiezufuhr möglich ist.The invention differs from the prior art in that process heat in the Paper industry is in abundance, is used to generate warm air and for drying. The dried rejects with a residual moisture content of significantly less than 10% have a calorific value of 30000 kJ / kg, so that combustion without energy is possible.

Eine wirksame Trocknung wird dadurch ermöglicht, daß der Trockenbehälter mehrere Trockenbö­ den mit Durchlässen enthält.Effective drying is made possible by the drying container having several drying gusts contains with passages.

Die Handhabung des Trockenguts wird dadurch erleichtert, daß der Bodenteil des Trockenbehälters als Sammelraum für das Trockengut ausgebildet ist.The handling of the dry material is facilitated in that the bottom part of the drying container is designed as a collecting room for the dry goods.

Die Förderung der Warmluft wird dadurch optimiert, daß innerhalb des Luftzufuhrkanals ein Ge­ bläse angeordnet ist.The promotion of warm air is optimized in that a Ge within the air supply channel blower is arranged.

Ein Ausführungsbeispiel der Erfindung wird anhand eines Schaubildes der Vorrichtung erläutert.An embodiment of the invention is explained using a diagram of the device.

Ein zylinderförmiger Trockenbehälter 1 enthält mehrere Trockenböden 2, 3, 4, 5 zur Aufnahme des Spuckstoffes 6, 7, 8, 9. Die Trockenböden weisen andeutungsweise dargestellte Durchlässe für den Spuckstoff auf. Am Kopfende des Trockenbehälters 1 befindet sich ein Lüfter 10 zur Unterstützung des Luftstromes. Im Bodenteil des Trockenbehälters 1 wird der getrocknete Spuckstoff 11 gesammelt und über einen Ablaß kontinuierlich oder partieweise ausgetragen.A cylindrical drying container 1 contains several drying trays 2 , 3 , 4 , 5 for receiving the rejects 6 , 7 , 8 , 9 . The dry floors have indicated passages for the rejects. At the head end of the drying container 1 there is a fan 10 to support the air flow. The dried rejects 11 are collected in the bottom part of the drying container 1 and discharged continuously or in batches via an outlet.

Unterhalb des untersten Trockenbodens 2 mündet über eine Öffnung 12 ein Kanal 13 für Trok­ kenluft. Ein Gebläse 14 erzeugt die Luftströmung. Innerhalb des Kanals 13 ist ein Wärmetauscher 15 angeordnet. In den Wärmetauscher 15 wird ein gasförmiges oder flüssiges von einer Prozeßwärmequelle 16 bereitgestelltes Heizmedium eingeleitet. Die Prozeßwärmequelle nutzt betriebliche Abwärme aus und setzt dieselbe in Warmluft oder erwärmte Flüssigkeit um. Gerade in einer Papierfabrik, in der Spukstoff zur Trocknung anfällt, ist in hohem Maße betriebliche Abwärme vorhanden, die zur Trocknung genutzt werden kann.Below the lowermost dry soil 2 opens a channel 13 for dry air through an opening 12 . A fan 14 generates the air flow. A heat exchanger 15 is arranged within the channel 13 . A gaseous or liquid heating medium provided by a process heat source 16 is introduced into the heat exchanger 15 . The process heat source utilizes operational waste heat and converts it into warm air or heated liquid. In a paper mill, in particular, where spoiled material is used for drying, there is a high level of operational waste heat that can be used for drying.

Claims (4)

1. Vorrichtung zur Trocknung von Schüttgütern, insbesondere Spuckstoff mit einem Feuchtigkeits­ gehalt bis zu 50 Gewichtsprozent, mit einem mehrstufigen Trockenbehälter (1) für das Schüttgut, mit einem Luftzufuhrkanal (13) zu dem Trockenbehälter (1), mit einem Wärmetauscher (15) in dem Luftzu­ fuhrkanal (13) und mit einer Prozeßwärmequelle (16) zur Einleitung eines Heizmediums in den Wärme­ tauscher (15).1.Device for drying bulk goods, in particular rejects with a moisture content of up to 50 percent by weight, with a multi-stage drying container ( 1 ) for the bulk material, with an air supply channel ( 13 ) to the drying container ( 1 ), with a heat exchanger ( 15 ) in the air supply duct ( 13 ) and with a process heat source ( 16 ) for the introduction of a heating medium into the heat exchanger ( 15 ). 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Trockenbehälter (1) mehrere Trockenböden (2, 3, 4, 5) mit Durchlässen enthält.2. Device according to claim 1, characterized in that the drying container ( 1 ) contains a plurality of drying trays ( 2 , 3 , 4 , 5 ) with passages. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Bodenteil des Trocken­ behälters als Sammelraum für das Trockengut ausgebildet ist.3. Device according to claim 1 or 2, characterized in that the bottom part of the drying container is designed as a collecting space for the dry goods. 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß innerhalb des Luftzufuhrkanals (13) ein Gebläse (14) angeordnet ist.4. Device according to one of claims 1 to 3, characterized in that a fan ( 14 ) is arranged within the air supply channel ( 13 ).
DE19952210A 1999-10-29 1999-10-29 Assembly to dry loose waste materials separated from used paper for recycling has a multi-stage drying vessel with a hot air feed using surplus process heat from the paper prodn Withdrawn DE19952210A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19952210A DE19952210A1 (en) 1999-10-29 1999-10-29 Assembly to dry loose waste materials separated from used paper for recycling has a multi-stage drying vessel with a hot air feed using surplus process heat from the paper prodn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19952210A DE19952210A1 (en) 1999-10-29 1999-10-29 Assembly to dry loose waste materials separated from used paper for recycling has a multi-stage drying vessel with a hot air feed using surplus process heat from the paper prodn

Publications (1)

Publication Number Publication Date
DE19952210A1 true DE19952210A1 (en) 2001-05-03

Family

ID=7927357

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19952210A Withdrawn DE19952210A1 (en) 1999-10-29 1999-10-29 Assembly to dry loose waste materials separated from used paper for recycling has a multi-stage drying vessel with a hot air feed using surplus process heat from the paper prodn

Country Status (1)

Country Link
DE (1) DE19952210A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111306894A (en) * 2019-11-21 2020-06-19 利辛县风雅颂机电科技有限公司 A drying device for compound fertilizer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737072A1 (en) * 1987-10-31 1989-05-11 Bodur Hasan Selami Dipl I Arif Device for drying pourable goods
WO1994003765A1 (en) * 1992-07-30 1994-02-17 Grana, Inc. Method and apparatus for drying particulate material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737072A1 (en) * 1987-10-31 1989-05-11 Bodur Hasan Selami Dipl I Arif Device for drying pourable goods
WO1994003765A1 (en) * 1992-07-30 1994-02-17 Grana, Inc. Method and apparatus for drying particulate material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111306894A (en) * 2019-11-21 2020-06-19 利辛县风雅颂机电科技有限公司 A drying device for compound fertilizer

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: D21F 1/66

8139 Disposal/non-payment of the annual fee