WO2001011298A1 - Trommeltrockner und verfahren zum betrieb desselben - Google Patents
Trommeltrockner und verfahren zum betrieb desselben Download PDFInfo
- Publication number
- WO2001011298A1 WO2001011298A1 PCT/EP2000/003627 EP0003627W WO0111298A1 WO 2001011298 A1 WO2001011298 A1 WO 2001011298A1 EP 0003627 W EP0003627 W EP 0003627W WO 0111298 A1 WO0111298 A1 WO 0111298A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drum
- air
- dryer according
- dried
- extraction openings
- Prior art date
Links
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
- F26B11/028—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
Definitions
- the present invention relates to a drum dryer with an approximately cylindrical drum which can be rotated about its axial axis, which has at least one opening on its one end as an entry for the material to be dried and on its other end at least one opening as an exit for the interior the drum has dried material in the axial direction, and with at least one heating device arranged on or in the drum, for example at least one heat exchanger, for heating the material to be dried while moving through the drum, the material to be dried being moved in the axial direction from the inlet leading to the outlet air flow.
- at least one heating device arranged on or in the drum, for example at least one heat exchanger, for heating the material to be dried while moving through the drum, the material to be dried being moved in the axial direction from the inlet leading to the outlet air flow.
- the present invention further relates to a method for operating a drum dryer.
- Drum dryers of the aforementioned type are known per se and are traversed by the material to be dried and heated thereby, whereby the material is dried. For example, if solids, such as wood chips or sawdust, are to be dried, they are then introduced into the drum at an opening designed as an inlet and passed through the drum dryer in the axial direction with an air stream.
- the present invention is based on the object of achieving a better, that is to say as homogeneous as possible drying in the final phase of the drying, that is to say in particular when the material exits the drum, which is also the case with conventional drum dryers both conventional drying process was not possible due to the increase in flow velocity in the course of the drying process.
- a drum dryer according to the preamble of the main claim, wherein according to the teaching of the present invention a plurality of air extraction openings are provided on the drum shell, these air extraction openings are arranged distributed around the drum in the circumferential direction of the shell and all air extraction openings are essentially airtight at least are surrounded by a suction housing.
- the aforementioned object is further achieved according to the invention by a method for operating a drum dryer, wherein according to the teaching of the present invention a part of the air flow flowing through the drum is led out of the drum after passing through a section thereof.
- the air flow in drum dryers according to the present invention can be divided such that a part of the air flow flowing through the drum is sucked out of the drum through air extraction openings, whereby suitable measures can be taken to ensure that the material to be dried, i.e. the material to be dried Do not vacuum materials.
- each of the air extraction openings is at approximately the same distance from the inlet, which can be realized, for example, by the air extraction openings and the suction housing being arranged approximately in the middle of the axial extension of the drum, in which case the Part of the air flow can be guided out of the drum approximately in the middle of the axial extension thereof.
- the air extraction openings are approximately uniformly distributed and / or approximately uniformly spaced from one another in the circumferential direction of the jacket on the drum.
- the aforementioned optional measures ensure that the portion of the air flow flowing through the drum, which is led out after passing through a section of the drum, is sucked out of the drum in a radially as uniform manner as possible, so that the undesirable formation of air turbulence in the Drum and irregular accumulations or warps of the material to be dried in the drum can be prevented in a reliable manner.
- the arrangement of the air extraction openings described above leads to a so-called central suction.
- the flow rate of the air flow and / or the nature of the material to be dried can also be extracted off-center if a larger or smaller extracted partial air flow already fulfills the intended purpose.
- the drum so as to be rotatable about its axial axis and to arrange the suction housing in a fixed manner, sealing elements being arranged between the drum and the suction housing.
- At least one suction device is expediently connected downstream of the suction housing, through which the air flow led out of the drum is transported away.
- at least one suction line leading away from the suction housing can also be provided, which is connected to the suction device and / or to the inlet and through which the air flow led out of the drum is directed into the drum for processing, further processing and / or return.
- striking plates and / or air baffles are arranged in the area of the air extraction openings.
- the arrangement of the striking plates in the area of the air extraction openings is preferably chosen such that the material to be dried is guided past the air extraction openings and within the axis when the drum rotates about its axial axis Drum is held. This can reliably prevent that, together with the part of the air flow flowing through the drum, even lighter, in particular already dried, components of the material to be dried are sucked out of the drum or fall out.
- the air guide plates are provided for guiding at least a part of the air flow in a manner essential to the invention, and preferably when a Part of the air flow flowing through the drum is deflected from the axial flow direction when it is led out of the drum, which advantageously takes place approximately at right angles to the axial flow direction.
- the respective area of the striking plates and / or the air baffle plates is at least as large as the respective area of the air extraction openings.
- the striking plates and / or the air baffle plates are articulated in the area of the air extraction openings by at least one elastic and / or hinge-like connection to the jacket of the drum.
- Such an elastic and / or hinge-like articulation ensures that, depending on the respective rotational state of the drum, this has an open position in which a portion of the air flow flowing through the drum is sucked out of the drum after passing through a section thereof or in a closed position in which components of the material to be dried are prevented from being drawn out of the drum or falling out.
- the striking plates and / or the air baffle plates in the area of the air extraction openings are advantageously articulated in the spread-out starting position on the jacket of the drum, an arrangement being preferred in which the striking plates and / or the air baffle plates are angled to the surface of the drum and / or angled are aligned with the surface line of the drum.
- the striking plates are articulated in the direction of rotation of the drum in front of the air extraction openings, so that the position of the striking plates prevents the drum from being dried undesirably through can leave the air sampling openings.
- the striking plates are arranged in a tube shape around the air extraction openings.
- This tubular design of the striking plates causes the material to be dried to be guided past the air extraction openings when the drum rotates about its axial axis and is held within the drum. This can reliably prevent that, together with the part of the air flow flowing through the drum, lighter, in particular already dried, components of the material to be dried are sucked out of the drum or fall out.
- the striking plates have hood-shaped receptacles towards the inside of the drum, which are shaped in such a way that the guidance of the air flow out of the drum is favored.
- the hood-shaped receptacles are designed asymmetrically, so that part of the air flow flowing through the drum can be led out of the drum in an efficient manner when the drum rotates about its axial axis.
- the air baffles are articulated in the direction of rotation of the drum behind the air extraction openings, the air baffles expediently being on are arranged on the outside of the drum.
- At least one filter is connected downstream of the suction housing and / or the outlet, through which the air stream led out of the drum is at least partially guided and by means of which the air stream led out of the drum is at least partially cleaned; the filtering of the air flow led out of the drum primarily also causes the same to be dedusted.
- a preferred embodiment of the present invention proves to be helpful, in which at least one separator is connected downstream of the suction housing, through which the air flow led out of the drum at least partially leads is so that the material to be dried in the air stream is separated from the air stream by means of the separator, the separated material to be dried preferably being returned to the drum through the inlet.
- At least one connecting element can be provided between the separator and the inlet, through which the separated material to be dried can be returned to the drum, so that no materials are lost.
- the extracted air flow can also be reduced Remove dust and / or after filtering, back into the drum inlet, which is also preferable for energy reasons.
- a particularly efficient operation of the drum dryer according to the present invention is possible here if both at least one filter and at least one separator are connected downstream.
- the part of the air flow led out of the drum is at least partially worked up separately and / or that the part of the air flow led out of the drum is at least partly returned to the air flow that goes into the drum is introduced.
- the drum dryer according to the present invention and the related method are particularly suitable for drying wood chips, such as top or middle layer chips for chipboard, or for drying sawdust, in which the effect of the acceleration of the flow rate due to the water release and thus the density difference is particularly serious is.
- wood chips such as top or middle layer chips for chipboard, or for drying sawdust
- an approximately or precisely implemented central suction can achieve a significant improvement in the drying process.
- FIGS. 1 to 4C show exemplary embodiments of the drum dryer used according to the method. It shows :
- FIG. 1 shows a first exemplary embodiment of a drum dryer according to the present invention, which is provided with striking plates and is surrounded by a suction housing, in a cross-sectional view;
- FIG. 2 shows a second exemplary embodiment of a drum dryer according to the present invention, which is provided both with striking plates and with air baffle plates and is surrounded by a suction housing, in a cross-sectional view;
- FIG. 3a shows an embodiment of a drum dryer according to the present invention, which is equipped with a central suction, in side view;
- FIG. 3b shows an exemplary embodiment of a drum dryer according to the present invention, which is equipped with a central suction device, in a side view;
- FIG. 3c shows the drum dryer from FIG. 3b, in a cross-sectional view along the section line C - C in FIG. 3b;
- FIG. 4a shows a first exemplary embodiment for guiding the extracted air flows
- FIG. 4b shows a second exemplary embodiment for guiding the extracted air flows; and F g. 4c shows a third exemplary embodiment for guiding the extracted air streams.
- Identical reference numerals refer to elements or features of the same or similar design in FIGS. 1 to 4c.
- FIGS. 1 and 2 are each equipped with a cylinder-shaped drum 10 which can be rotated about its axial axis and which has at least one opening as an inlet 14 on one end face (cf. FIGS. 3a, 4a , 4b and 4c) for the material to be dried and at least one opening on its other end face as an outlet 16 (see FIGS. 3a, 4a, 4b and 4c) for the material dried in the axial direction after it has passed through the interior of the drum 10.
- a cylinder-shaped drum 10 which can be rotated about its axial axis and which has at least one opening as an inlet 14 on one end face (cf. FIGS. 3a, 4a , 4b and 4c) for the material to be dried and at least one opening on its other end face as an outlet 16 (see FIGS. 3a, 4a, 4b and 4c) for the material dried in the axial direction after it has passed through the interior of the drum 10.
- the drum dryers of FIGS. 1 and 2 are further equipped with a heating device arranged on the drum 10 in the form of a heat exchanger 12 (see FIGS. 4a, 4b and 4c), which is used to heat the material to be dried while the drum 10 is moving through ,
- the material to be dried being guided by an air flow flowing in the axial direction from the inlet 14 to the outlet 16.
- the drum dryer is thus traversed by the material to be dried and heated in the process, as a result of which the material is dried.
- the material For example, should solids, such as wood chips or Sawdust are dried, they are inserted into the drum 10 at the opening m formed as the inlet 14 and passed through the drum dryer in the axial direction with an air stream.
- the drum dryer also achieves an optimally homogeneous drying in the final phase of the drying, that is to say in particular for the exit of the material from the drum h, because several (m FIG. 1 twelve, m FIG. 2 six) air extraction openings 20 are provided on the jacket of the drum 10 are, which are evenly distributed and evenly spaced from one another in the circumferential direction of the jacket on the drum 10 and which are all surrounded essentially airtight by a suction housing 22.
- a part of the air flow flowing through the drum 10 can be led out of it after passing through a section of the drum 10, that is to say the air flow in the drum dryer can be divided such that a part of the air flow flowing through the drum 10 through the air extraction openings 20 from the drum 10 is suctioned off, taking suitable measures to ensure that the material to be dried, that is to say the materials to be dried, are not also extracted.
- the transport air flowing through the drum 10 is at least partially sucked off through the air removal openings 20 provided on the jacket of the drum 10, while the materials to be dried at the same time, due to their greater momentum compared to the lighter air, the drum 10 more or less traverse in their original path in the axial direction and are not suctioned off.
- each of the air extraction openings 20 is at the same distance from the inlet 14, which is achieved by the air extraction openings 20 and the suction housing 22 being approximately in the middle of the axial extension the drum 10 are arranged (cf. FIGS. 3a, 3b, 4a, 4b and 4c), in which case the part of the air flow is guided out of the drum 10 approximately in the middle of the axial extension thereof.
- the aforementioned measures ensure that the proportion of the air flow flowing through the drum 10, which after passing through a section of the Drum 10 is guided out of this, is extracted from the drum 10 in a radially as uniform manner as possible, so that the undesirable formation of air turbulence in the drum 10 and irregular accumulations or warpage of the material to be dried located in the drum 10 is prevented in a reliable manner can be, wherein the arrangement of the air extraction openings 20 leads to a so-called central suction.
- the drum 10 is designed to be rotatable about its axial axis and the suction housing 22 is arranged in a fixed manner, sealing elements being arranged between the drum 10 and the suction housing 22.
- FIGS. 3a, 4a, 4b and 4c show that the suction housing 22 is followed by a suction device 24, through which the air flow led out of the drum 10 is transported away.
- a suction line 26 leading away from the suction housing 22 is also provided (see FIGS. 3a, 4a, 4b and 4c), which is connected to the suction device 24 (see FIGS. 3a, 4a, 4b and 4c) and with the inlet 14 ( cf. FIGS. 4b and 4c) and through which the air stream led out of the drum 10 is directed into the drum 10 for processing, further processing or for recycling.
- FIGS. 1 and 2 there are 20 striking plates 28 (see FIG. 1) or striking plates 28 'and Air baffles 28 '' (see FIG. 2) are arranged.
- the arrangement of the striking plates 28 (see FIG. 1) or of the striking plates 28 '(see FIG. 2) in the region of the air extraction openings 20 is selected such that the material to be dried rotates around its axial axis at the air extraction openings when the drum 10 rotates 20 deflected past and held within the drum 10. This can reliably prevent that, together with the part of the air stream flowing through the drum 10, even lighter, in particular already dried, components of the material to be dried are sucked out of the drum 10 or fall out.
- the air guide plates 28' '(see 2) is provided for guiding at least a part of the air flow, specifically when a part of the air flow flowing through the drum 10 is deflected out of the axial flow direction when it is led out of the drum 10, which takes place approximately at right angles to the axial flow direction.
- the respective area of the striking plates 28 (see FIG. 1) and the air baffle plates 28 ′′ (see FIG. 2) is at least as large as the respective area of the air extraction openings 20.
- the respective shape of the striking plates 28 (see FIG. 1) is also ) or the striking plates 28 '(see FIG. 2) and the air guide plates 28''(see FIG. 2) are adapted to the respective shape of the air extraction openings 20. Both The aforementioned measures serve to implement the purpose of the striking plates 28 (see FIG. 1) or the striking plates 28 '(see FIG. 2) and the air guide plates 28''(see FIG. 2) in a particularly excellent manner.
- the striking plates 28 (cf. FIG. 1) and the air baffle plates 28 ′′ (cf. FIG. 2) are each articulated in the area of the air extraction openings 20 by an elastic or hinge-like connection to the jacket of the drum 10.
- Such an elastic or hinge-like articulation in particular with regard to the striking plates 28 (see FIG. 1), ensures that, depending on the respective rotational state of the drum 10, this opens an open position in which a part of the air flow flowing through the drum 10 follows Passing through a portion of the drum 10 is sucked out of it, or a closed position in which components of the material to be dried are prevented from being sucked out or falling out of the drum 10.
- the striking plates 28 (see FIG. 1) and the air baffle plates 28 ′′ (see FIG. 2) are articulated to the casing of the drum 10 in the spread-out starting position in the area of the air extraction openings 20, the striking plates 28 (see FIG ) and the air baffles 28 '' (see FIG. 2) are oriented at an angle to the surface of the drum 10 (see FIGS. 1 and 2) and at an angle to the surface line of the drum 10 (see FIG. 3b).
- the striking plates 28 (see FIG. 1) in the first embodiment of the present drum dryer are articulated in the direction of rotation of the drum 10 in front of the air extraction openings 20, so that the position of the striking plates 28 (see FIG. 1) prevents them that material to be dried can leave the drum 10 undesirably through the air extraction openings 20.
- the air baffles 28 ′′ are articulated in the direction of rotation of the drum 10 behind the air extraction openings 20, the air baffles 28 ′′ on the outside of the drum 10 are arranged.
- the striking plates 28 ′ in the second exemplary embodiment of the present drum dryer are arranged in a tube around the air extraction openings 20.
- This tubular design of the striking plates 28 '(see FIG. 2) has the effect that the material to be dried is guided past the air extraction openings 20 around the axial axis when the drum 10 rotates and is held within the drum 10. This can reliably prevent that, together with the part of the air stream flowing through the drum 10, even lighter, in particular already dried, components of the material to be dried are sucked out of the drum 10 or fall out.
- Drum dryers have the striking plates 28 '(see FIG. 2) on the inside of the drum 10 hm hood-shaped receptacles 30 which are shaped in such a way that the guidance of the air flow out of the drum 10 is favored.
- the hood-shaped receptacles 30 are asymmetrical, so that part of the air flow flowing through the drum 10 can be guided out of the drum 10 in an efficient manner when the drum 10 rotates about its axial axis.
- the suction housing 22 and the outlet 16 are followed by a filter 32, through which the air stream led out of the drum 10 is at least partially guided and by means of which the air stream led out of the drum 10 is at least partially cleaned; the filtering of the air stream led out of the drum 10 primarily also causes the same to be dedusted.
- the suction housing 22 is followed by a separator 34 (see FIG. 4b), through which the discharge from the drum 10 Air flow is at least partially guided so that material to be dried in the air flow is separated from the air flow by means of the separator 34, the separated material to be dried being returned to the drum 10 through the inlet 14 (cf. FIGS. 4b and 4c).
- a connecting element is provided between the separator 34 and the inlet 14 (cf. FIG. 4b), through which the separated material to be dried Is well returned to the drum 10 so that no materials are lost.
- the extracted air flow can also be returned to the inlet of the drum 10, in particular after dedusting and / or after filtering, which is also preferable for energy reasons.
- a particularly efficient operation of the drum dryer according to the present invention is possible here if both a filter 32 and a separator 34 are connected downstream (cf. FIG. 4b).
- the part of the air flow that is led out of the drum 10 is at least partially worked up separately and that the part of the air flow that is led out of the drum 10 is at least partially returned to the air flow that is introduced into the drum 10 becomes.
- the drum dryer according to FIGS. 1 to 4c and the related method are particularly suitable for drying wood chips, such as top or middle layer chips for chipboard, or for drying sawdust, in which the effect of accelerating the flow rate due to the water release and thus the density difference is particularly serious.
- wood chips such as top or middle layer chips for chipboard, or for drying sawdust
- an approximately or precisely implemented central suction cf. FIGS. 3a, 3b, 4a, 4b and 4c
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020027000459A KR20020048375A (ko) | 1999-08-04 | 2000-04-20 | 드럼 건조기 및 그 작동 방법 |
AU41199/00A AU4119900A (en) | 1999-08-04 | 2000-04-20 | Cylinder drying machine and method for operating the same |
EP00920735A EP1200787A1 (de) | 1999-08-04 | 2000-04-20 | Trommeltrockner und verfahren zum betrieb desselben |
JP2001515513A JP2003506661A (ja) | 1999-08-04 | 2000-04-20 | ドラム乾燥機およびその駆動方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19936024 | 1999-08-04 | ||
DE19936024.3 | 1999-08-04 | ||
DE19947131.2 | 1999-09-30 | ||
DE19947131A DE19947131B4 (de) | 1999-08-04 | 1999-09-30 | Verfahren zum Betrieb eines Trommeltrockners |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001011298A1 true WO2001011298A1 (de) | 2001-02-15 |
Family
ID=26054430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/003627 WO2001011298A1 (de) | 1999-08-04 | 2000-04-20 | Trommeltrockner und verfahren zum betrieb desselben |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1200787A1 (de) |
JP (1) | JP2003506661A (de) |
AU (1) | AU4119900A (de) |
WO (1) | WO2001011298A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6616334B2 (en) | 2001-11-30 | 2003-09-09 | Playtex Products, Inc. | Die cut resealable flap |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE425258C (de) * | 1926-02-15 | Buettner Werke A G Fa | Vorrichtung zum Stauen von Trockengut in Trockentrommeln mit gleichzeitigem Austritt fuer das Heizgas | |
US1573144A (en) * | 1924-05-24 | 1926-02-16 | Louisville Drying Machinery Co | Method and apparatus for drying |
DE512708C (de) * | 1927-07-28 | 1930-11-14 | Bernhard Saegebarth | Auslassvorrichtung fuer Gase und Daempfe bei Trockentrommeln |
US2317532A (en) * | 1940-08-02 | 1943-04-27 | Gen Mills Inc | Process for toasting flaked cereal and the like |
US2603005A (en) * | 1950-06-10 | 1952-07-15 | Perry T Ford | Apparatus for venting the interior of rotary driers and mixers |
FR1162210A (fr) * | 1956-10-03 | 1958-09-10 | Alsacienne Constr Meca | Dispositif de récupération de la chaleur sensible de produits pulvérulents à la sortie de tambours sécheurs |
DE970628C (de) * | 1950-04-26 | 1958-10-09 | Kurt J Menning | Gleichstrom-Gegenstrom-Verbunddrehtrommel |
DE1134635B (de) * | 1960-07-28 | 1962-08-09 | Buckau Wolf Maschf R | Gutdurchtrittsvorrichtung von Gleichstromteil zu Gegenstromteil einer Verbundtrommel |
CH395864A (de) * | 1961-09-25 | 1965-07-15 | Ammann U Maschf Ag | Drehtrommel für körniges Gut |
DE1604824A1 (de) * | 1966-07-01 | 1971-02-04 | Buettner Schilde Haas Ag | Verfahren zum Betrieb einer Trommel-Trocknungsanlage mit Bruedenrueckfuehrung und Regelung der Brennstoff- und Verbrennungsluftzufuhr in Abhaengigkeit von der Gasaustrittstemperatur |
DE3113907A1 (de) * | 1981-04-07 | 1982-10-28 | Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld | Drehtrommel |
DE3246198A1 (de) * | 1982-12-14 | 1984-06-14 | Schlingmeier Quarzsand GmbH & Co KG, 3301 Rothemühle | Verfahren und trommel zum trocknen von feuchten schuettguetern |
-
2000
- 2000-04-20 JP JP2001515513A patent/JP2003506661A/ja active Pending
- 2000-04-20 AU AU41199/00A patent/AU4119900A/en not_active Abandoned
- 2000-04-20 EP EP00920735A patent/EP1200787A1/de not_active Withdrawn
- 2000-04-20 WO PCT/EP2000/003627 patent/WO2001011298A1/de not_active Application Discontinuation
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE425258C (de) * | 1926-02-15 | Buettner Werke A G Fa | Vorrichtung zum Stauen von Trockengut in Trockentrommeln mit gleichzeitigem Austritt fuer das Heizgas | |
US1573144A (en) * | 1924-05-24 | 1926-02-16 | Louisville Drying Machinery Co | Method and apparatus for drying |
DE512708C (de) * | 1927-07-28 | 1930-11-14 | Bernhard Saegebarth | Auslassvorrichtung fuer Gase und Daempfe bei Trockentrommeln |
US2317532A (en) * | 1940-08-02 | 1943-04-27 | Gen Mills Inc | Process for toasting flaked cereal and the like |
DE970628C (de) * | 1950-04-26 | 1958-10-09 | Kurt J Menning | Gleichstrom-Gegenstrom-Verbunddrehtrommel |
US2603005A (en) * | 1950-06-10 | 1952-07-15 | Perry T Ford | Apparatus for venting the interior of rotary driers and mixers |
FR1162210A (fr) * | 1956-10-03 | 1958-09-10 | Alsacienne Constr Meca | Dispositif de récupération de la chaleur sensible de produits pulvérulents à la sortie de tambours sécheurs |
DE1134635B (de) * | 1960-07-28 | 1962-08-09 | Buckau Wolf Maschf R | Gutdurchtrittsvorrichtung von Gleichstromteil zu Gegenstromteil einer Verbundtrommel |
CH395864A (de) * | 1961-09-25 | 1965-07-15 | Ammann U Maschf Ag | Drehtrommel für körniges Gut |
DE1604824A1 (de) * | 1966-07-01 | 1971-02-04 | Buettner Schilde Haas Ag | Verfahren zum Betrieb einer Trommel-Trocknungsanlage mit Bruedenrueckfuehrung und Regelung der Brennstoff- und Verbrennungsluftzufuhr in Abhaengigkeit von der Gasaustrittstemperatur |
DE3113907A1 (de) * | 1981-04-07 | 1982-10-28 | Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld | Drehtrommel |
DE3246198A1 (de) * | 1982-12-14 | 1984-06-14 | Schlingmeier Quarzsand GmbH & Co KG, 3301 Rothemühle | Verfahren und trommel zum trocknen von feuchten schuettguetern |
Also Published As
Publication number | Publication date |
---|---|
AU4119900A (en) | 2001-03-05 |
EP1200787A1 (de) | 2002-05-02 |
JP2003506661A (ja) | 2003-02-18 |
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