EP0305706B1 - Drehtrommel - Google Patents

Drehtrommel Download PDF

Info

Publication number
EP0305706B1
EP0305706B1 EP88111385A EP88111385A EP0305706B1 EP 0305706 B1 EP0305706 B1 EP 0305706B1 EP 88111385 A EP88111385 A EP 88111385A EP 88111385 A EP88111385 A EP 88111385A EP 0305706 B1 EP0305706 B1 EP 0305706B1
Authority
EP
European Patent Office
Prior art keywords
rotary drum
tube
drum
tubes
heat exchange
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
EP88111385A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0305706A3 (en
EP0305706A2 (de
Inventor
Hermann Lühmann
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.)
Grenzebach GmbH and Co KG
Original Assignee
Babcock BSH AG
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 Babcock BSH AG filed Critical Babcock BSH AG
Priority to AT88111385T priority Critical patent/ATE71710T1/de
Publication of EP0305706A2 publication Critical patent/EP0305706A2/de
Publication of EP0305706A3 publication Critical patent/EP0305706A3/de
Application granted granted Critical
Publication of EP0305706B1 publication Critical patent/EP0305706B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F26B11/045—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 using heated internal elements, e.g. which move through or convey the materials to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems

Definitions

  • the invention relates to a rotary drum according to the preamble of claim 1.
  • the tube sheets which form the heat exchange elements have approximately the shape of an L in cross section, the longer, slightly curved leg of which nestles over the angular range of approximately 45 degrees to the jacket of the rotary drum.
  • the short leg extends in the radial direction into the interior of the rotating drum and forms a type of scoop for lifting the dry material.
  • the U-shaped connecting pieces of adjacent pipes are screwed onto the pipes.
  • DE-PS 11 74 264 describes a rotary drum dryer in which the heat exchange elements are designed as individual tubes which are arranged at relatively large distances from one another.
  • the subject of DE-PS 22 41 264 is a rotary drum dryer with an outer cylinder and an inner cylinder.
  • On the inside of the outer cylinder and on the outer surface of the inner cylinder are channel-like, i.e. Semicircular heating ducts attached in cross section.
  • the outer cylinder and the inner cylinder are provided with blades which protrude radially into the intermediate space and on which at least one channel-like heating channel is likewise attached.
  • DE-OS 33 02 598 describes a rotary drum dryer with several mutually parallel so-called heating walls.
  • Each heating wall consists of several tubes that are closely adjacent to one another, but apparently not longitudinally welded together.
  • the invention has for its object to provide a rotary drum of the type specified in the preamble of claim 1, which is easier and cheaper to manufacture and can be assembled on site from prefabricated parts.
  • the feature of claim 3 is recommended for dryers with very high drying performance.
  • Figure 1 shows a rotary drum according to the invention in longitudinal section.
  • Figure 2 shows a section along the line II-II of Figure 1 or Figure 4.
  • Figure 3 shows a detail of Figure 2 on an enlarged scale.
  • Figure 4 shows another rotary drum according to the invention in longitudinal section.
  • the rotary drum shown in Figure 1 has a casing 1 on which two rims 2, 3 are attached. A feed-side end wall 4 and an outlet-side end wall 5 are firmly connected to the jacket 1.
  • the rotary drum is mounted on rollers in the usual way and can be rotated about its horizontal or slightly inclined axis by means of a drive. Storage and drive are not part of the invention and are therefore not shown in the drawing.
  • the housing 6 is provided on the top with two connecting pieces 8, 9, one of which is intended for connection to an air line and the other for connection to a device for supplying the material to be treated.
  • a short end region near the end wall 4 is designed as a distribution chamber 10.
  • a distribution chamber 10 are several strips 11 attached to the inside of the jacket 1 - evenly distributed over the circumference; the strips can be arranged parallel to the axis or helically. Otherwise, the distribution chamber 10 is free of internals.
  • the casing 1 In the vicinity of the other drum end, the casing 1 is provided with a plurality of openings 12 distributed over the circumference. Each opening 12 is surrounded by a collar-like edge 13 which protrudes into the interior of the drum and is used to stow the bulk material in operation. The collar can also be in the usual Way to be height adjustable.
  • the rotary drum In the area of the openings 12, the rotary drum is enclosed by a housing, the lower part of which is designed as an outlet funnel 14. At the top, the housing has a connection 15 for an exhaust air line.
  • a plurality of tube sheets 18 are arranged between the core tube 17 and the jacket 1 in such a way that the longitudinal direction extends parallel to the drum axis and the transverse direction extends radially. The tube sheets 18 extend from the distribution chamber 10 to the zone in which the openings 12 are made. They protrude a little beyond the ends of the core tube 17 on both sides. With one longitudinal side, each tube sheet 18 is fastened to the jacket 1 by clamp-like, releasable holding members 19, with the other long side by similar holding members to the core tube 17.
  • Each tube plate 18 comprises a plurality of — for example eight — tubes 21 running in the longitudinal direction, which are connected to one another along the entire length by means of flat webs 22 which are welded together. Shovel-like, curved lifting strips 23 are fastened to some webs 22.
  • the individual tubes 21 of the tube plate 18 are connected to a zigzag channel by U-shaped connecting pieces 24 welded to the tube ends.
  • the ends of the outer tube and inner tube facing the failure-side end wall 5 are each connected via an angled connecting piece 25, 26 to a respective pipe socket 27, 28 which starts from an annular outer distributor channel 29 or inner distributor channel 30 and extends in the axial direction .
  • the outer distribution channel 29 is fastened to the outlet-side end wall 5 by fastening members 31 and by several radial channels 32 connected to an outer tube 33 which - coaxial to the drum axis - penetrates the outlet-side end wall 5 and is immovable relative to this end wall.
  • the inner distribution channel 30 is also fastened to the end wall 5 by fastening members 34 and is connected by a plurality of radial channels 35 to an inner tube 36 which is coaxially seated in the outer tube 33. Between the outer tube 33 and the inner tube 36 there is a channel 37 with an annular cross section. The outer tube 33 and the inner tube 36 are mounted in a sealing head 38 in a known manner outside the rotary drum. The inside of the inner tube 36 can be connected to a heating medium circuit via a connector 39, the channel 37 via a connector 40.
  • the rotary drum shown in FIG. 4 differs from the rotary drum described so far in particular in that it has two heating zones 41, 42 in the longitudinal direction.
  • Each of the two heating zones is equipped with a plurality of tube sheets 18, which - according to the cross section shown in FIG. 2 - are arranged in a star shape around a core tube 17.
  • the core tube 17 extends essentially over the entire length of the drum.
  • the connections for the heating medium circuit are arranged at the drum ends and otherwise correspond to the exemplary embodiment described first. Due to the arrangement of the connections on both sides, the material to be treated and the carrier air must be supplied through the drum jacket.
  • a scoop 45 of a known type is provided at one drum end.
  • the other end of the drum is - as in the embodiment described first - enclosed by a housing with a discharge funnel 14 and exhaust air connector 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Valve Device For Special Equipments (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP88111385A 1987-08-31 1988-07-15 Drehtrommel Expired - Lifetime EP0305706B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88111385T ATE71710T1 (de) 1987-08-31 1988-07-15 Drehtrommel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873729032 DE3729032A1 (de) 1987-08-31 1987-08-31 Drehtrommel
DE3729032 1987-08-31

Publications (3)

Publication Number Publication Date
EP0305706A2 EP0305706A2 (de) 1989-03-08
EP0305706A3 EP0305706A3 (en) 1990-07-04
EP0305706B1 true EP0305706B1 (de) 1992-01-15

Family

ID=6334873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88111385A Expired - Lifetime EP0305706B1 (de) 1987-08-31 1988-07-15 Drehtrommel

Country Status (5)

Country Link
EP (1) EP0305706B1 (enrdf_load_stackoverflow)
AT (1) ATE71710T1 (enrdf_load_stackoverflow)
DE (2) DE3729032A1 (enrdf_load_stackoverflow)
ES (1) ES2028952T3 (enrdf_load_stackoverflow)
FI (1) FI87692C (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008903A1 (de) * 1990-03-20 1991-09-26 Kloeckner Humboldt Deutz Ag Verfahren und vorrichtung zum trocknen von feuchten materialien in einer wirbelschicht
DE9319041U1 (de) * 1993-12-11 1994-02-24 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 47829 Krefeld Drehtrommel
FI105130B (fi) 1998-04-17 2000-06-15 Kumera Corp Höyrykuivain
FI117450B (fi) * 2003-09-11 2006-10-13 Kopar Oy Kuivauslaite
AT501346B1 (de) * 2004-03-26 2006-12-15 Avt Aufbereitungs Und Verfahre Vorrichtung zur wärmebehandlung eines rieselfähigen schüttgutes
DK2249113T3 (en) * 2009-05-08 2018-10-22 Kumera Oy steam dryer
CN101832704A (zh) * 2010-06-09 2010-09-15 山东天力干燥设备有限公司 多环管气体分配室及其使用方法
JP5502656B2 (ja) * 2010-08-24 2014-05-28 月島機械株式会社 間接加熱型回転乾燥機
JP2014511473A (ja) * 2011-03-04 2014-05-15 クメラ オサケ ユキチュア 蒸気ドライヤ
CN102914125B (zh) * 2012-10-09 2014-10-22 王远大 高产能褐煤干燥提质加热罐
CN104236296B (zh) * 2014-10-13 2016-08-24 重庆大江动力设备制造有限公司 回转干燥机排水结构
IT201600116956A1 (it) 2016-11-18 2018-05-18 Steb S R L Sistema e metodo di raffreddamento e recupero della scoria bianca usata nei processi siderurgici
CN110094946B (zh) * 2019-04-20 2020-11-10 安徽欧华机电科技有限公司 一种农业用干谷粒滚筒型粮食烘干设备
CN111735286A (zh) * 2020-06-30 2020-10-02 江阴市双华机械设备有限公司 分区控温型转筒干燥机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE256702C (enrdf_load_stackoverflow) *
DE415363C (de) * 1923-07-29 1925-06-20 Maschf Mittels Perkinsrohre geheizte Trocken- und Roesttrommel
DE701070C (de) * 1936-04-07 1941-01-08 Gottlob Grauert Mittelbar beheizte Trockentrommel
US2267259A (en) * 1939-01-11 1941-12-23 John B Adt Co Rotary drier
US3285514A (en) * 1963-11-14 1966-11-15 Hupp Corp Heat exchangers
GB1100017A (en) * 1965-07-13 1968-01-24 Korber Kurt Apparatus for drying tobacco
GB1345373A (en) * 1971-08-26 1974-01-30 Amf Inc Rotary drier
DE2250690C2 (de) * 1972-10-16 1974-10-17 Hauni-Werke Koerber & Co Kg, 2050 Hamburg Vorrichtung zum Trocknen von Tabak
DE2844075A1 (de) * 1978-10-10 1980-04-24 Huther & Co Kohlenschlammtrockner mit heizflammentrocknung in einem drehtrommel-trockenofen
DE3302598A1 (de) * 1983-01-27 1984-08-02 Carl Still Gmbh & Co Kg, 4350 Recklinghausen Verfahren zur indirekten trocknung von feinguetern und vorrichtung zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
DE3867767D1 (de) 1992-02-27
FI883606A0 (fi) 1988-08-01
ES2028952T3 (es) 1992-07-16
EP0305706A3 (en) 1990-07-04
FI883606A7 (fi) 1989-03-01
DE3729032A1 (de) 1989-03-09
FI87692B (fi) 1992-10-30
EP0305706A2 (de) 1989-03-08
ATE71710T1 (de) 1992-02-15
FI87692C (fi) 1993-02-10
DE3729032C2 (enrdf_load_stackoverflow) 1992-03-05

Similar Documents

Publication Publication Date Title
EP0305706B1 (de) Drehtrommel
DE69019833T2 (de) Turbolader mit verstellbaren Leitschaufeln.
DE102008058817B4 (de) Luft-Luft-Wärmetauscher
DE2254848A1 (de) Verfahren zum thermischen nachverbrennen von abluft aus industriellen arbeitsanlagen und vorrichtung zur durchfuehrung dieses verfahrens
DE3028632C2 (de) Regenerator mit einer in einem Gehäuse untergebrachten, um eine Drehachse umlaufenden, hohlzylindrischen Wärmetauscherwalze
DE970426C (de) Zyklon-Brennkammer fuer Gasturbinen
EP1836346B1 (de) Vorrichtung und verfahren zur herstellung und/oder veredelung einer faserstoffbahn
DE2343509A1 (de) Von innen gekuehlte drehbare hohlwalze, insbesondere fuer foerdereinrichtungen
DE2342421C3 (de) Trommel mit einer ringförmigen Gitterkonstruktion
EP3882552A1 (de) Tauschervorrichtung
DE2634072B2 (de) Trommeltrockner
EP3583264B1 (de) Trockenhaube, trockenanordnung und verwendung einer solchen
DE69410088T2 (de) Papiertrockner mit Blasdüsenkasten
EP2023070B1 (de) Regenerativ-Wärmeaustauscher und Radialdichtung zur Verwendung für einen solchen sowie Verfahren zum Trennen von gasförmigen Medien in einem regenerativ-Wärmeaustauscher
DE19936077A1 (de) Temperierwalze
WO2006072508A1 (de) Vorrichtung und verfahren zur herstellung und/oder veredelung einer faserstoffbahn
WO2018010995A1 (de) Austragsvorrichtung für einen schachtofen und verfahren zum austragen von brenngut aus einem schachtofen
DE2613418B2 (de) Verfahren und Vorrichtung zur Erzeugung von Hochdruckdampf
DE1557180C3 (enrdf_load_stackoverflow)
EP1420103B1 (de) Trockner, insbesondere Wäschetrockner
EP0553709A1 (de) Vorrichtung zum Einbringen eines Gases in eine Flüssigkeit
DE2353956C3 (de) Gasturbinenanlage
DE2436139B2 (de) Konditioniefvorrichtung für Tabak
DE6923233U (de) Gasturbinentriebwerk mit einem rotierenden regenerativwaermetauscher.
DE19648508C1 (de) Industrielle Abluftreinigungsvorrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT DE ES FR IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT DE ES FR IT

17P Request for examination filed

Effective date: 19900716

17Q First examination report despatched

Effective date: 19910131

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE ES FR IT

REF Corresponds to:

Ref document number: 71710

Country of ref document: AT

Date of ref document: 19920215

Kind code of ref document: T

ET Fr: translation filed
REF Corresponds to:

Ref document number: 3867767

Country of ref document: DE

Date of ref document: 19920227

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2028952

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19960507

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19960530

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19960708

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19960711

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970715

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19970716

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980401

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20001204

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050715