CH110335A - Method and device for drying lignite and other water-containing substances. - Google Patents

Method and device for drying lignite and other water-containing substances.

Info

Publication number
CH110335A
CH110335A CH110335DA CH110335A CH 110335 A CH110335 A CH 110335A CH 110335D A CH110335D A CH 110335DA CH 110335 A CH110335 A CH 110335A
Authority
CH
Switzerland
Prior art keywords
dried
dryer
air
heating medium
drying
Prior art date
Application number
Other languages
German (de)
Inventor
Gumz Louis
Original Assignee
Gumz Louis
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 Gumz Louis filed Critical Gumz Louis
Publication of CH110335A publication Critical patent/CH110335A/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12Machines 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00Drying solid materials or objects by processes involving the application of heat
    • F26B3/02Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried

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)

Description

  

  Verfahren und     Vorrichtuug    zum Trocknen von Braunkohle und  andern wasserhaltigen Stoffen.    Die Erfindung betrifft ein Verfahren zum  Trocknen von Braunkohle und andern wasser  haltigen Stoffen, nach welchem das zu trock  nende Gut selbst als Filtermasse für ein gas  förmiges Heizmedium, bevor letzteres das zu  trocknende Gut verlässt, benützt wird. Erfin  dungsgemäss wird das zu trocknende ununter  brochen zu- und abgeführte Gut durch einen  von luftdurchlässigen Wänden gebildeten Zwi  schenraum, den das Heizmedium durchströmt  und der als     Vortrockner    wirkt, bewegt, .um  dann einem Haupttrockner zugeführt zu wer  den, den es im Gegenstrom zum     Heizmedium     passiert.

   Vorteilhaft führt man einen Zusatz  von Kaltluft an der Austrittsstelle des Trocken  gutes aus dem     Haupttrockner    in letzteren ein.  



       Fig.    1 der beiliegenden,     schematischen     Zeichnung stellt ein Ausführungsbeispiel einer  Vorrichtung zur Durchführung dieses Verfah  rens, welche Vorrichtung neben dem Verfah  ren den Gegenstand vorliegender Erfindung  bildet, im Schnitt dar.  



  Das     Nassgut    gelangt durch einen Trichter a  in einen von zwei gleichachsig angeordneten,  luftdurchlässigen senkrechten Trommeln     U       und c gebildeten Zwischenraum     ra'.    Von den  beiden Trommeln ist entweder die äussere  feststehend und die innere drehbar oder beide  sind in gleicher oder entgegengesetzter Rich  tung drehbar oder beide sind feststehend,  während das Bodenblech d drehbar angeordnet  zu denken ist.  



  Durch eine Öffnung des Bodenbleches d  strömendes Heizmedium durchquert den Zwi  schenraum     a'        undbewirkteine        vorläufige    Trock  nung des     Nassgutes,    wobei die mitgerissenen  Staubteilchen von der als Filtermasse wir  kenden nassen Kohle zurückgehalten werden.  



  Aus dem     Vortrockner    gelangt das     Nassgut     in den Haupttrockner, der von zwei Gruppen  treppenförmiger einen Doppelkegel bildender  Tellerflächen e und f gebildet wird. Teller  trockner e, f und Filter     U,    c sind in einem  gemeinsamen zylindrischen Gehäuse g unter  gebracht. Eine zwischen den Tellerflächen<I>e, f</I>  eingebaute Blechhaube h bewirkt im Innern  des Haupttrockners die Führung des     Heiz-          mediums,    das durch das Rohr i     zugeführt    wird.  



  Zwischen dem eigentlichen Trockenraum  und einer     Austragvorrichtung        k    für das ge-           trocknete    Gut ist ein freier Raum<B>in</B> einge  schaltet. Der Mantel o der     Austragvorrich-          tung        1s    ist mit zum Beispiel durch     Schieber     verschliessbaren, oben     offenen    Taschen     n    ver  sehen, die den Zutritt von Luft gestatten,

   aber  ein Herausfallen des     Trockengutes        verhindern.     Im Raum     7n    wird das in freiem Fall nieder  rieselnde warme     Trockengut    von dem durch  die Taschen n eintretenden kalten     LuftstroIn     getroffen.  



  Man könnte die Flächen des     Haupttrock-          ners    auch kegelförmig ausbilden, um eine  bessere Verteilung des     Trockengutes    im Haupt  trockner zu erzielen     (Fig.    2).



  Process and device for drying lignite and other water-containing substances. The invention relates to a method for drying lignite and other water-containing substances, according to which the material to be dried is itself used as a filter material for a gaseous heating medium before the latter leaves the material to be dried. In accordance with the invention, the material to be dried is continuously supplied and discharged through an interstitial space formed by air-permeable walls through which the heating medium flows and which acts as a pre-dryer. To then feed a main dryer to who it is in countercurrent to the heating medium happens.

   Advantageously, an addition of cold air is introduced into the latter at the exit point of the drying goods from the main dryer.



       Fig. 1 of the accompanying schematic drawing shows an embodiment of a device for performing this procedural rens, which device in addition to the procedural Ren forms the subject of the present invention, in section.



  The wet material passes through a funnel a into a space ra 'formed by two coaxially arranged, air-permeable vertical drums U and c. Of the two drums, either the outer one is stationary and the inner one is rotatable, or both are rotatable in the same or opposite direction, or both are stationary, while the bottom plate is to be thought of as being rotatable.



  Heating medium flowing through an opening in the base plate d crosses the intermediate space a 'and causes the wet material to be temporarily dried, with the dust particles being held back by the wet carbon acting as the filter material.



  The wet material passes from the pre-dryer into the main dryer, which is formed by two groups of step-shaped double-cone plate surfaces e and f. Dish dryer e, f and filter U, c are placed in a common cylindrical housing g. A sheet metal hood h installed between the plate surfaces <I> e, f </I> effects the guidance of the heating medium inside the main dryer, which is fed through the pipe i.



  A free space <B> in </B> is inserted between the actual drying space and a discharge device k for the dried goods. The jacket o of the discharge device 1s is provided with, for example, open-top pockets n which can be closed by slides and which allow air to enter

   but prevent the items to be dried from falling out. In the space 7n, the warm dry material which trickles down in free fall is hit by the cold air flow entering through the pockets n.



  The surfaces of the main dryer could also be designed to be conical in order to achieve better distribution of the material to be dried in the main dryer (FIG. 2).

 

Claims (1)

PATENTANSPRUCH I: Verfahren zum Trocknen von Braunkohle und anderen wasserhaltigen Stoffen unter Be nutzung des zu trocknenden Gutes selbst als Filtermasse für ein gasförmiges Heizmedium, bevor letzteres das zu trocknende CTrrt verlässt, dadurch gekennzeichnet, dass das zu trock nende, ununterbrochen zu- und abgeführte Gut durch einen von luftdurchlässigen Wänden ge bildeten Zwischenraum, der von dem Heizme- dium durchströmt wird und als Vortrockner wirkt, bewegt wird, um dann einem Haupt trockner zugeführt zu werden, PATENT CLAIM I: Method for drying lignite and other water-containing substances using the material to be dried itself as a filter mass for a gaseous heating medium before the latter leaves the CTrrt to be dried, characterized in that the material to be dried is continuously supplied and removed is moved through a space formed by air-permeable walls, through which the heating medium flows and acts as a pre-dryer, in order to then be fed to a main dryer, den das Gut im (@egenstrorn zum Heizmedium passiert. PATENTANSPRUCH II Vorrichtung zur Durchführung des Ver fahrens nach Patentanspruch I, gekennzeichnet durch zwei gleichachsig angeordnete, luft durchlässige, senkrechte Trommeln (G). (c) als Vortrockner mit einem drehbaren, einen Durch lass für das zu trocknende Gut aufweisenden Boden, unter welchem :ich der Haupttroel@ner- mit zwei Gruppen gelochter einen Doppelkegel bildender Flächen befindet. which the material passes in (@egenstrorn to the heating medium. PATENT CLAIM II Device for carrying out the process according to claim I, characterized by two coaxially arranged, air-permeable, vertical drums (G). (c) as a pre-dryer with a rotatable, one passage for the floor to be dried, under which: I the Haupttroel @ ner - with two groups of perforated surfaces forming a double cone. UNTERANSPRüCHE: 1. Verfahren nach Patentanspruch I, dadurch gekennzeichnet., dass ein Zusatz von Falt- luft an der Austrittsstelle des Trockengutes aus dem Haupttrockner in letzteren einge führt wird. Vorrichtung nach Patentanspruch I1, da durch gekennzeichnet, dass von den beiden Trommeln wenigstens die eine drehbar an geordnet ist. SUBClaims: 1. The method according to patent claim I, characterized in that an addition of folding air is introduced into the latter at the exit point of the drying material from the main dryer. Device according to claim I1, characterized in that at least one of the two drums is rotatably arranged. 3. Vorrichtung nach Patentanspruch II, da durch gekennzeichnet, dass an der Aus tragsstelle für das getrocknete Gut ver schliessbare Lufteintrittsöffnungen vorgese hen sind. 4. 3. The device according to claim II, characterized in that ver closable air inlet openings are vorgese hen at the discharge point for the dried material. 4th Vorrichtung nach Patentanspruch II und Unteranspruch 3, dadurch gekennzeichnet, dar) zwischen dem Haupttrockner und der Austragsstelle ein freier Raum (m) vorge sehen ist, in welchem das in freiem Fall niederrieselnde warme Trockengut von der eintretenden, kalten Luft getroffen wird. Device according to claim II and dependent claim 3, characterized in that a free space (m) is provided between the main dryer and the discharge point, in which the warm dry material that trickles down in free fall is hit by the incoming, cold air.
CH110335D 1924-04-12 1924-04-12 Method and device for drying lignite and other water-containing substances. CH110335A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH110335T 1924-04-12

Publications (1)

Publication Number Publication Date
CH110335A true CH110335A (en) 1925-06-01

Family

ID=4369368

Family Applications (1)

Application Number Title Priority Date Filing Date
CH110335D CH110335A (en) 1924-04-12 1924-04-12 Method and device for drying lignite and other water-containing substances.

Country Status (1)

Country Link
CH (1) CH110335A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407278A1 (en) * 1989-07-06 1991-01-09 François Laurenty Tower for granular products
CN119245316A (en) * 2024-12-09 2025-01-03 新乡市创佳新材料有限公司 An intelligent drying box for drying nickel carbonate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407278A1 (en) * 1989-07-06 1991-01-09 François Laurenty Tower for granular products
FR2652153A1 (en) * 1989-07-06 1991-03-22 Laurenty Francois METHOD AND DRYING TOWER OF GRAIN PRODUCTS.
US5111596A (en) * 1989-07-06 1992-05-12 Francois Laurenty Drying process and tower for products in grain form
CN119245316A (en) * 2024-12-09 2025-01-03 新乡市创佳新材料有限公司 An intelligent drying box for drying nickel carbonate

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