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EP0688420B1 - Ofen für die behandlung von organischem und anorganischem material und das entsprechende verfahren - Google Patents

Ofen für die behandlung von organischem und anorganischem material und das entsprechende verfahren Download PDF

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Publication number
EP0688420B1
EP0688420B1 EP94912103A EP94912103A EP0688420B1 EP 0688420 B1 EP0688420 B1 EP 0688420B1 EP 94912103 A EP94912103 A EP 94912103A EP 94912103 A EP94912103 A EP 94912103A EP 0688420 B1 EP0688420 B1 EP 0688420B1
Authority
EP
European Patent Office
Prior art keywords
drum
furnace
blades
openings
covers
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.)
Expired - Lifetime
Application number
EP94912103A
Other languages
English (en)
French (fr)
Other versions
EP0688420A1 (de
Inventor
Antonio Teles De Menezes Junior
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0688420A1 publication Critical patent/EP0688420A1/de
Application granted granted Critical
Publication of EP0688420B1 publication Critical patent/EP0688420B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0445—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having conductive heating arrangements, e.g. heated drum wall
    • 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
    • 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
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall

Definitions

  • the oven presented here is intended for the treatment and profit of the residues of organic and inorganic matter.
  • it particularly targets the treatment and profit of residues from the food industries - such as fish remains, bagasse of olives, animal blood, bones, melted fat from ruminant animals, fat from carcasses of animals in poor state of conservation , when they cannot be part of the food distribution chain - and still for the treatment and profit of inorganic matter or mixtures of this matter with organic matter, like, for example, vases which result from filtration beer or sludge with slag, which results from the melting of metals.
  • the present furnace is not limited to treating waste, with a view to transforming it into inert material, but it also makes it possible to obtain profitable materials.
  • in the case of organic materials it makes it possible to obtain materials rich in proteins which can be used in the industries of animal rations as well as in the industries of fertilizers.
  • the oven described in document US-A-1 992 520 is designed.
  • This oven comprises a rotary drum with the configuration of a circular cylinder, where there are, near the covers which constitute its ends, holes and inside this drum, positioned eccentrically, a motorized axis and provided with arms which serve to spread and push the material outside the drum, which can rotate independently of the drum.
  • the holes serve for the entry of an air flow inside the drum and the holes serve for the exit of this flow. This implies that the material cannot be dried above 24% because otherwise its particles may be entrained by the air flow.
  • the attached drawing is presented as an example and not with a limiting objective, it shows the best way to carry out the present invention, where the drum (A) and the axis (B) are actuated respectively by the geared motors (C) and (D) and by pairs of gears (E), where the axis is supported on bearings (F), which are inside the two sleeves (G) of the covers (H) of the aforementioned drum.
  • the cylindrical drum (A) already mentioned has circular openings near the covers (H) which exist in its ends - which are attached to the drum already attached by a few points which cause small interruptions in the openings already mentioned - these same openings are aligned vertically with the inlets of the two tubes (M) for collecting the liquid part (aqueous and unctuous) of the material to be transformed.
  • the inner axis (B) does not move, the scraper (L) is in the highest position, and it only serves to help promote the movement of the material that strikes against these blades (J), which are also stopped, and also to scrape the inside of the drum (A) so that the product which flows inside can be removed as it dries.
  • the second phase begins when the liquid stops falling through the openings. Then, the internal axis (B), like the respective blades and the scraper (L), move and rotate with a high velocity so that it strongly agitates the product that exists in the drum - which, in this phase, is already in a pasty form - with the aim of promoting the separation of the moisture that this product still has, either by the cutting action of the blades (J), or by the centrifugal force exerted on the product to drying, especially due to the dragging action accomplished by the scraper (L) that, in order not to throw the product already mentioned outside the drum, through the middle of the openings, has a smaller extension than the drum so that it has no action in the area of the openings already mentioned.
  • the drum (A) maintains its rotational movement to allow not only a uniformly warm product inside, but also that the product is completely stirred, without causing an accumulation in this same area of the drum and consequently to prevent the product from slipping through the openings of the same drum.
  • this slow rotational movement also makes it possible to clean the openings in the vicinity of which the product has accumulated, namely in the edge of the side covers (H) of the drum, once in the upper side of the drum (A) already reported there are two flakes (I), one in each line, which clean the existing product there, as this product, accompanying the movement of the drum (A), strikes the flakes already reported, which take off and move the product from the walls of the covers (H) of the drum, after it falls again into the interior of the drum.
  • the second phase is not necessary - once as they are hard they do not tend to attach to the walls of the drum and its weight and sufficient for them to be agitated suitably and can be released from water and fat - which they do not end up in powder like other products, ie those which are initially presented in a pasty or coagulated state.
  • the loading of the drum is carried out directly, without it being removed from the oven, and the unloading is done by the bottom of the oven - for example by the middle of a rolling carpet - by rotating the drum 180o , which causes the discharge of its contents, by which warmly is lateral and not by the bottom as in the embodiment previously described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Drying Of Solid Materials (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Processing Of Solid Wastes (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Incineration Of Waste (AREA)
  • Glass Compositions (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Treatment Of Sludge (AREA)

Claims (5)

  1. Ofen zur Verarbeitung von organischen und nicht organischen Materiallenbestehend aus einer Drehtrommel (A) in Form eines runden Zylinders, mit zwei Verschlußdeckeln (H) an jedem Ende und, im Inneren der Trommel mit einer motorangetriebenen Welle (B) mit Klingen (J), die sich unabhängig von der Trommel drehen können. Der Ofen kennzeichnet sich dadurch, daß die Klingen (J) über den gesamten Durchmesser der Trommel (A) angebracht sind und gleichzeitig die Funktion, das Material zu zerschneiden und den Austritt des Materials aus der Trommel (A) zu verhindern, erfüllen. Welterhin kennzeichnet sich der Ofen dadurch daß die motorangetriebene Welle (B) über die gleiche Achse der Trommel verfügt und die Verschlußdeckel (H) mit der Trommel an einigen Punkten verbunden sind, wodurch kleine Unterbrechungen der Öffnungen entstehen. Die Öffnungen befinden sich vertikal auf gleicher Höhe mit den Öffnungen der beiden Rohre (M), die zum Abzug des flüssigen Anteils des sich in der Verarbeitung befindlichen Materials dienen.
  2. Ofen gemäß dem ersten Antrag, der sich dadurch kennzeichnet, daß einige der Klingen (J) der Welle mit einander durch einen Schaber (L) verbunden sind, der die innere Oberfläche der Trommel (A) reinigt.
  3. Ofen gemäß dem ersten Antrag, der sich dadurch kennzeichnet, daß er mit zwei Klingen (I) aus elastischem Material ausgestattet ist, die an dem oberen Teil der Öffnungen der Trommel (A) angebracht sind. Weiterhin kennzeichnet sich der Ofen dadurch, daß er über zwei Rohre (M) zum Abzug von Flüssigkeit verfügt, die sich vertikal auf gleicher Höhe mit den vergenannten Öffnungen angebracht sind, welche sich wiederum im unteren Berelch der Trommel (A) befinden. Außerdem kennzeichnet sich der Ofen dadurch daß er über einen Ausgang (Q) für den Abzug von Gasen und Dämpfen aus der Trommel verfügt.
  4. Ofen gemäß den vorherigen Anträgen, der sich dadurch kennzeichnet, daß seine Trommel, mittels einer Generatrix, die rüttelnde Drehbewegungen in einem Winkel von weniger als 180° erzeugt, offen ist.
  5. Die Nutzungsmethode des Ofens gemäß Antrag 1, kennzeichnet sich durch eine Trockenausführung, das heißt durch eine Abwicklung ohne Dampfzusatz, mit Ausnahme der Dämpfe, die von den zu verarbeitenden Produkten abgeschieden werden. Weiterhin kennzeichnet sich die Methode dadurch, daß die Trocknung gleichzeitig mit der Vermischung der Produkte vorgenommen wird. Anfänglich geschieht dies langsam und danach - außer wenn es sich um harte Produkte handelt - mit großer Geschwindigkeit.
EP94912103A 1993-03-17 1994-03-16 Ofen für die behandlung von organischem und anorganischem material und das entsprechende verfahren Expired - Lifetime EP0688420B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PT10122993 1993-03-17
PT101229A PT101229A (pt) 1993-03-17 1993-03-17 Forno de tratamento e aproveitamento de materia biologica, por processo seco, e respectivo processo
PCT/PT1994/000002 WO1994021977A1 (fr) 1993-03-17 1994-03-16 Four pour le traitement et le profit de la matiere organique et inorganique, par un procede a sec, et le procede respectif

Publications (2)

Publication Number Publication Date
EP0688420A1 EP0688420A1 (de) 1995-12-27
EP0688420B1 true EP0688420B1 (de) 1997-06-11

Family

ID=20085267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94912103A Expired - Lifetime EP0688420B1 (de) 1993-03-17 1994-03-16 Ofen für die behandlung von organischem und anorganischem material und das entsprechende verfahren

Country Status (8)

Country Link
EP (1) EP0688420B1 (de)
AT (1) ATE154430T1 (de)
AU (1) AU6438794A (de)
BR (1) BR9406323A (de)
DE (1) DE69403785T2 (de)
ES (1) ES2105680T3 (de)
PT (1) PT101229A (de)
WO (1) WO1994021977A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105180609A (zh) * 2015-09-25 2015-12-23 大田威斯特环保科技有限公司 一种用于垃圾处理的烘干机
CN108253758A (zh) * 2018-01-02 2018-07-06 河南高盛企业管理咨询有限公司 一种滚筒式铁皮石斛烘干装置
CN108800825A (zh) * 2018-05-03 2018-11-13 张彪 一种鸡粪烘干机
CN113865311B (zh) * 2021-12-01 2022-02-18 中南大学湘雅医院 一种医学器械干燥装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1715729A (en) * 1927-07-25 1929-06-04 Willard B Connell Drier
DE512708C (de) * 1927-07-28 1930-11-14 Bernhard Saegebarth Auslassvorrichtung fuer Gase und Daempfe bei Trockentrommeln
FR665519A (fr) * 1928-12-11 1929-09-19 Anciens Etablissements Alfred Perfectionnements aux appareils sécheurs pulvérisateurs pour le traitement des déchets de viandes, la coagulation du sang ou applications similaires
US1992520A (en) * 1933-11-11 1935-02-26 James H Colton Method and apparatus for drying materials
FR804131A (fr) * 1935-03-28 1936-10-16 Perfectionnements aux fours rotatifs, séchoirs et appareils similaires
US3371426A (en) * 1965-07-19 1968-03-05 Egg Vi Tein Company Dehydrating drum
GB1585584A (en) * 1976-06-08 1981-03-04 Kobe Steel Ltd Process and apparatus for heating solid materials containing volatile matter
AT345749B (de) * 1976-06-29 1978-10-10 Vaneck Julius Getreidekonditionierungsanlage
DE3542699A1 (de) * 1985-12-03 1987-06-04 Devender Dr Dhingra Drehrohrofen

Also Published As

Publication number Publication date
BR9406323A (pt) 1995-12-26
AU6438794A (en) 1994-10-11
PT101229A (pt) 1993-10-29
DE69403785T2 (de) 1998-01-15
DE69403785D1 (de) 1997-07-17
ES2105680T3 (es) 1997-10-16
EP0688420A1 (de) 1995-12-27
WO1994021977A1 (fr) 1994-09-29
ATE154430T1 (de) 1997-06-15

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