EP3258201B1 - Dispositif de traitement d'un produit, en particulier destiné à sécher un produit de préférence sous forme de bande - Google Patents

Dispositif de traitement d'un produit, en particulier destiné à sécher un produit de préférence sous forme de bande Download PDF

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Publication number
EP3258201B1
EP3258201B1 EP17165770.3A EP17165770A EP3258201B1 EP 3258201 B1 EP3258201 B1 EP 3258201B1 EP 17165770 A EP17165770 A EP 17165770A EP 3258201 B1 EP3258201 B1 EP 3258201B1
Authority
EP
European Patent Office
Prior art keywords
drum
treatment
width
gaseous
treatment medium
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.)
Not-in-force
Application number
EP17165770.3A
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German (de)
English (en)
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EP3258201A3 (fr
EP3258201A2 (fr
Inventor
Markus Böhn
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.)
Truetzschler Nonwovens and Man Made Fibers GmbH
Original Assignee
Truetzschler Nonwovens and Man Made Fibers 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
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Publication of EP3258201A2 publication Critical patent/EP3258201A2/fr
Publication of EP3258201A3 publication Critical patent/EP3258201A3/fr
Application granted granted Critical
Publication of EP3258201B1 publication Critical patent/EP3258201B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/16—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning perforated in combination with hot air blowing or suction devices, e.g. sieve drum dryers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/12—Drying solid materials or objects by processes not involving the application of heat by suction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/30—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/37—Velocity of flow; Quantity of flow

Definitions

  • the invention relates to a device for treating a good, in particular for drying a preferably web-shaped Guts, with a gaseous treatment medium according to the preamble of claim 1 and a method for treating a good, in particular drying a preferably web-shaped Guts according to claim. 9
  • a drum is arranged in a housing.
  • the drum has a gas-permeable drum shell, wherein the drum shell is at least partially covered with the transportable in the circumferential direction of the drum Good and wherein in the interior of the drum, a negative pressure can be applied.
  • the drum is at least partially surrounded by a treatment space, wherein when the negative pressure in the interior of the drum at least a portion of the gaseous treatment medium flows from the treatment chamber through the arranged on the drum shell and the gas-permeable drum shell in the interior of the drum.
  • the object of the present invention is therefore to provide an apparatus and a method in which the drying uniformity of the product to be dried can be increased and in which the energy requirement can be reduced.
  • the invention advantageously provides that at least one guide plate is arranged in the treatment space of the drum so that the treatment space can be subdivided into at least two channels, wherein the at least one guide plate is arranged such that the at least two channels extend along the circumference of the drum ,
  • the invention thus has the advantage that the flows can be prevented in an axis-parallel direction to the drum.
  • the at least one guide plate may be arranged at a distance from the drum, wherein the guide plate has a front edge facing the drum.
  • the at least one baffle may be arranged such that the end edge of the baffle along the circumference of the drum has a constant distance from the drum shell of the drum.
  • the distance from the end edge of the baffle to the drum shell of the drum may be between 10 and 150 mm, preferably between 30 and 80 mm. At this distance, the flows can be most effectively avoided.
  • the distance between the arranged on the drum shell of the drum Good and the end edge of the at least one lightweight sheet can be between 10 and 50 mm.
  • the width of the channels can be the same size, wherein the width of the channels is the extension of the channels in the axis-parallel direction of the drum. If the channels are the same width, it can be ensured that the flow in the channels is as equal as possible. Alternatively, however, it can also be provided that the channels have a different width.
  • the width of the channels can be adjusted, wherein the width of the channels is the extension of the channels in the axis-parallel direction.
  • At least two lightweight sheets may be arranged in the treatment space.
  • the width of the treatment chamber surrounding the drum can be adjustable.
  • the width of the treatment space is the extent of the treatment space in the axis-parallel direction of the drum.
  • the working width of the drum corresponds to the width of the arranged on the drum shell Guts.
  • the at least two baffles may be adjustable so that the width of the treatment chamber is adaptable to the working width of the drum.
  • the width of the treatment chamber and the working width of the drum are each the extension of the treatment space or the extension of the working width of the drum in the axis-parallel direction of the drum.
  • the adaptability of the width of the treatment chamber to the working width of the drum has the advantage that the web-shaped material can be flowed through better.
  • the baffles delimiting the treatment space in the axis-parallel direction of the drum may each have a sealing lip on the end edge facing the drum, so that this sealing lip rests on the drum shell and thus ensures that the gaseous treatment medium of the Treatment room can escape from the treatment room only through the gas-permeable drum shell.
  • a feeding device leads the gaseous treatment medium distributed over the working width of the drum to the treatment space.
  • a feed device distributes the gaseous treatment medium in a peripheral region of the drum distributed over the width of the drum to the treatment space, wherein the width of the drum is the extension of the drum in the axis-parallel direction.
  • the feed device has a feed channel, through which the gaseous treatment medium to be supplied to the treatment space flows.
  • a perforated plate is arranged in the cross section of the feed channel whose gas permeability is variable.
  • the supply device can supply the gaseous treatment medium distributed in a peripheral region of the drum over the working width of the drum to the treatment space.
  • the working width of the drum is the extension of the working width in axis-parallel direction.
  • the perforated plate can have a different gas permeability distributed over the width, wherein the width of the perforated plate is the extension of the perforated plate in the axis-parallel direction.
  • the gaseous treatment medium which flows through the perforated plate across the width at a certain point, flows into the treatment space at the corresponding location. If the gas permeability is changed at the location of the perforated plate, the volume flow which flows in at the corresponding location in the treatment space is changed.
  • the over the width of different gas permeability of the perforated plate can be independently adjustable.
  • the gas permeability of the perforated plate can be varied by the number of open holes of the perforated plate, the hole shape or the distribution of the holes.
  • At least one drum guide element may be arranged inside the drum, wherein the at least one drum guide element is connected to the drum near at least one end wall of the drum, wherein the at least one drum guide element is arranged in such a way that the negative pressure which bears against the drum cover is made uniform is.
  • the drum guide member may be in the form of a truncated cone, and the drum guide member may be connected to the drum having the larger radius side inside the drum, and the truncated cone shell of the truncated cone shaped drum member may protrude into the interior of the drum.
  • the treatment space is divided by means of dividing plates in at least two treatment subspaces.
  • At least a first treatment compartment may surround at least a first peripheral region of the drum, and a second treatment compartment may surround at least a second peripheral region of the drum.
  • a first gaseous treatment medium having a first temperature may be introduced into the first treatment compartment and a second gaseous treatment medium having a second temperature may be insertable into the second treatment compartment.
  • the first temperature of the first gaseous treatment medium is preferably warmer than the temperature of the second gaseous treatment medium. Furthermore, it can also be provided that the volume flow of the first gaseous treatment medium introduced into the first treatment compartment is greater than the volume flow of the second gaseous treatment medium, which is introduced into the second treatment compartment. This means that the flow of the product with the first gaseous treatment medium in the region of the first treatment compartment is greater than the flow of the material with the second gaseous treatment medium in the region of the second treatment compartment.
  • the present invention has the advantage that in the first region in which the material dries very quickly, a higher temperature and / or flow may be present than in the area in which the good no longer dries quickly. This has the advantage that with the same degree of drying, the drying energy to be expended is reduced or, if the degree of drying is increased, the drying energy to be expended remains constant.
  • the second peripheral region of the drum which is surrounded by at least a part of the second treatment compartment, is arranged in the transport direction of the web-shaped product behind the first peripheral region of the drum, which is surrounded by at least a part of the first treatment compartment.
  • a method for treating a good in particular drying a preferably web-shaped Guts, with the method steps of claim 9 is provided.
  • a different volume flow of the gaseous treatment medium can be supplied.
  • edge regions of the drum In the edge regions of the drum, a higher volume flow of the gaseous treatment medium can be supplied as in the middle of the drum. This has the advantage that the edge regions of the web-like material to be dried, which are wetter than the middle regions of the web-shaped product, can be dried better.
  • a shielding element is often provided in the prior art in a device for drying a preferably web-shaped Guts.
  • the shielding element is arranged in the prior art in the interior of the drum in relation to the drum, that the flow through the drum shell with a gas in the peripheral region of the drum, which is not surrounded with the web-shaped Good, reducible or avoidable.
  • the shielding element is arranged outside the drum, wherein the shielding element is arranged in relation to the drum, that the flow through the drum shell with a gas in the peripheral region of the drum, not with the web-shaped Good is surrounded, reducible and preferably avoidable.
  • This has the advantage that the gas permeability can also be reduced, preferably completely suppressed, whereby the shielding element is much easier to assemble. It can also be replaced more easily.
  • the drum rotatable about a drum axis has a first and a second end wall, wherein in the first and second end wall in each case a first and a second drum hub is arranged.
  • the drum can be drummed over the drum hubs using e.g. be driven at least one drive shaft, so that the drum rotates.
  • At least one drum hub is arranged in the axial direction of the drum and offset outwards relative to the drum.
  • an opening is provided to remove the gaseous treatment medium from the drum interior.
  • the opening can be increased, so that the gaseous treatment medium can be better dissipated from the drum interior.
  • FIG. 1 shows a device for treating a good, in particular for drying a preferably web-shaped Guts 20.
  • the device comprises a housing 6.
  • a drum 2 is arranged in the housing 6.
  • the drum 2 is gas permeable.
  • the drum 2 is permeable to gas due to the perforations 32 in the drum shell 21.
  • the drum 2 is rotatable about the drum axis 28 in the direction of rotation 26.
  • the drum axis 28 is mounted in the housing 6. This is not shown in the figures.
  • the drum is surrounded by a treatment room 14. This is also in FIG. 2 to recognize.
  • the web-shaped material 20 is introduced via a deflection roller 38 in the transport direction 40 into the treatment space 14.
  • the web-shaped material 20 is arranged at least on a part of the drum shell 21.
  • the web-shaped material 20 is transported in the transport direction 40.
  • the web-shaped material 20 is deflected at the exit from the treatment chamber 14 by a further deflection roller 38 and further transported in the transport direction 40.
  • a shielding element 30 is arranged in the peripheral region of the drum 2, in which the drum shell 21 is not covered by the web-like material.
  • the shielding member 30 is disposed outside the drum 2 and therefore can be easily mounted and replaced.
  • the shielding member 30 can be prevented that a gas through the drum shell in the region of the Shielding element 30 penetrates into the drum.
  • the throughflow with the gaseous treatment medium or with ambient air is thus reduced and preferably completely avoided.
  • a gaseous treatment medium is introduced into the treatment space 14 via a feed device 44 via a feed channel 46 and a feed opening 48.
  • the gaseous treatment medium is preferably heated air.
  • FIG. 2 shows the interior of the drum is closed at one end face with an end wall 19.
  • an expansion space 16 is arranged on the opposite end face.
  • this expansion chamber 16 is a negative pressure, whereby a negative pressure in the drum interior 18 is generated.
  • the gaseous treatment medium which is arranged in the treatment space 14 is drawn through the gas-permeable web-like material 20 and the gas-permeable drum shell 21 into the interior of the drum 18. From the inside of the drum 18, the gaseous treatment medium is drawn into the expansion space 16.
  • the flow direction is shown by the arrows 34.
  • the gaseous treatment medium can be fed to an air treatment plant and reprocessed and heated and returned to the treatment space 14 via the feed device 44.
  • the web-shaped material 20 is, characterized in that a negative pressure is applied in the drum interior 18, attracted to the drum shell 21 and can thereby be transported in the transport direction 40 with the rotation of the drum 2. Furthermore, the wet web-like material 20 dries in that the gaseous treatment medium flows through the web-shaped material 20.
  • baffles 4 are arranged in the treatment room 14. Due to the baffles 4, the treatment room is in three channels 11, 12, 13, wherein the guide plates 4 are arranged such that the three channels 11, 12, 13 extend along the circumference of the drum 2. The treatment medium thus flows in the flow direction 42 within the channels 11, 12 and 13. The flow direction of the gaseous treatment medium thus runs almost parallel to the direction of rotation 26 of the drum.
  • the main surfaces 5 of the guide plate 4 extend in the radial direction to the drum.
  • the width of the channels 11, 12, 13 is preferably the same size.
  • the width A of the channels 11, 12, 13 is the extension of the channels 11, 12, 13 in the axis-parallel direction of the drum, d. H. in a direction parallel to the axis 28 of the drum 2.
  • the baffles 4 may be adjustable in the direction parallel to the axis 52. In the treatment room threaded rods 22 are arranged distributed over the circumference, which extend parallel to the drum axis 28.
  • the baffles 4 are connected to nuts 24, which are each screwed onto the threaded rods 22.
  • the threaded rods can be rotated by means of adjusting units 8, whereby the nuts 24 fixedly connected to the guide plates 4 move along the threaded rods 22 in the axis-parallel direction 52, whereby the guide plates 4 in the axis-parallel direction 52 are adjustable.
  • the width of the channels 11, 12 and 13 can be adjusted.
  • the baffles 4 may be individually or jointly adjustable. Also, the baffles may alternatively be manually adjustable.
  • the baffles 4 are in the FIG. 4 in an axis-parallel direction opposite to the FIG. 2 adjusted representation adjusted.
  • the width A of the channels 11, 12 and 13 is smaller than the width A of the channels 11, 12 and 13 in FIG. 2 ,
  • the baffles 4 have an end edge 7.
  • the front edge 7 and the baffles 4 each have a distance from the drum shell 21.
  • the distance to the drum shell 21 is preferably constant along the circumference.
  • the distance to the drum shell is preferably between 10 and 150 mm. Particularly advantageous is the distance 30 to 80 mm.
  • the distance of the front edge 7 to the arranged on the drum shell 21 Good 20 is preferably 10 to 50 mm. These distances are optimal for avoiding currents.
  • the width of the treatment chamber 14, through which the gaseous treatment medium flows, can be adjusted.
  • the width of the treatment room is in the FIG. 2 watching.
  • the treatment chamber 14 is bounded in the direction parallel to the axis 52 by the outer guide plates 4 which are in the axis-parallel direction.
  • the web-shaped Good 20 has a width B.
  • the width B of the web-shaped Good 20 on the drum 2 is the extension of the web-shaped Guts 20 in the axis-parallel direction 52.
  • the width of the web-shaped Guts 20 corresponds to the working width B of the drum 2.
  • the width D of the treatment chamber 14 may be to the working width B of the drum 2 be adjusted.
  • the width D of the treatment chamber 14 is adapted to the working width of the drum 2. This ensures that the web-shaped treatment medium is guided only in the region along the circumference of the drum 2, in which the web-shaped material 20 is arranged.
  • energy can be saved in this way, since the entire gaseous treatment medium flows through the material and not unused in the region of the drum, which is not covered with the material flows through the drum.
  • a perforated plate 50 is arranged in the feed channel 46.
  • the feed channel 46 and the feed opening 48 have a width that runs in the axis-parallel direction 52.
  • the width of the channel 46 and the feed opening 48 corresponds to the width of the treatment space 14.
  • the gaseous treatment medium can be distributed over the width of the drum 2 to the treatment space 14.
  • the arranged in the feed channel 46 perforated plate 50 also has a width which extends in the axis-parallel direction, which corresponds to the width of the drum 2.
  • the gas permeability of the perforated plate 50 may be adjustable. Likewise, the gas permeability of the perforated plate 50 over the width of the perforated plate 50 can be adjusted differently. In this way, the volume flow of the supplied gaseous treatment medium with varying the gas permeability of the perforated plate 50 can be varied. Thus, a higher volume flow is required for a wet fleece. The fact that the volume amount can be adapted to the respective conditions, energy can be saved.
  • the volume flow of the treatment medium to be supplied can be varied such that the volume flow in the edge region of the drum and thus in the edge region of the treatment chamber 14 is set to be higher in the axis-parallel direction in the middle of the drum or treatment room 14. This is more exactly in FIG. 6 shown.
  • the embodiment in the FIGS. 1 to 4 also has a treatment space 14, which is bounded in the radial direction to the outside by the housing wall 9.
  • the distance between the housing wall 9 and the drum shell 21 decreases in the transport direction 40 and the direction of rotation 26 of the drum 2 from.
  • the distance C1, C2, C3 preferably decreases continuously.
  • FIG. 5 an embodiment is shown in which the distances C1, C2, C3 are equal.
  • Fig. 6 schematically shows a further embodiment for the supply of the gaseous treatment medium in the treatment chamber 14.
  • the drum 2, the housing 6, the treatment chamber 14 and the feeder 44 are shown only schematically.
  • the warmed gaseous treatment medium 45 is introduced into the feeder 44.
  • the feed device 44 supplies the gaseous treatment medium 45 via the feed channel 46 and the feed opening 48 to the treatment space 14.
  • the gaseous treatment medium 45 is preferably introduced tangentially into the treatment space 14.
  • the width of the feed opening 48 seen in the axis-parallel direction is as wide as the width of the drum.
  • the width of the feed channel 46 in the axis-parallel direction corresponds to the Width of the drum 2.
  • a perforated plate 50 is arranged, which likewise has a width in the axis-parallel direction, which corresponds to the width of the drum 2.
  • the gas permeability of the perforated plate 50 is adjustable.
  • the gas permeability of the perforated plate 50 can preferably be adjusted differently across the width X. This can be done, for example, by in FIG. 7 and 8th illustrated embodiments happen.
  • a perforated plate 50 which has a first sheet metal element 49.
  • the sheet metal element 49 has holes 51 distributed over the width X.
  • the perforated plate distributed over the width X different sliding elements 56, 57, 58, which can be pushed in front of the respective region of the first sheet metal element 49.
  • These sliding elements 56, 57, 58 also have holes 60, 62, 64. It can z. B. either the sliding elements 56 and 58 or the sliding elements 57 are pushed in front of the perforated plate.
  • the diameters of the holes 60, 62, 64 of the sliding elements 56, 58 and 57 are each smaller than the holes 51 of the first sheet metal element 49.
  • the holes 60, 62 and 64 of the sliding elements 56, 58 and 57 are arranged in such a way that When the slide members 56, 85, 57 are pushed in front of the perforated plate 50, the holes are arranged at the same positions as the holes 51 of the first plate member 49.
  • the gaseous treatment medium must pass through the holes 51 of the first sheet metal element 49 in order to be able to flow into the treatment space 14.
  • the sliding elements 56, 58 and 57 are pushed in front of the perforated plate 50, the effective diameter of the holes through which the gaseous treatment medium must pass is reduced because the holes 60, 62 and 64 are smaller than the holes 51.
  • the holes 62 of the sliding elements 58 have a larger diameter than the holes 60 of the sliding elements 56.
  • the sliding elements 58 are arranged in the edge region of the first sheet metal element 49. Thus, the volume flow of the perforated plate 50, when the sliding elements 56 and 58 in front of the first perforated plate element 49 are pushed higher in the edge area than in the middle area.
  • the holes 64 of the sliding elements 57 are all the same size. If the sliding elements 57 are pushed in front of the first sheet-metal element 49, only the entire volume flow over the width X of the perforated plate 50 is reduced.
  • a sliding element in the axis-parallel direction in front of the first sheet metal element 49 ' are pushed.
  • the first sheet metal element 49 ' has holes 51 which have an elliptical shape.
  • the sliding element 63 has holes with different diameters, wherein the holes 67, which are located in the axial direction in the edge region, are larger than the holes 67 in the central region of the sliding element 63.
  • the holes in the edge region of the sliding element 63 have the same size as the holes 51 'of the first sheet metal element 49'.
  • the holes 67 of the sliding member 63 are arranged such that the center of the respective holes 67, when the sliding member 53 is pushed in front of the first sheet member 49, are located directly in front of the centers of the holes 51 'of the first sheet member. Since the holes in the middle region of the sliding element 63 are smaller, the perforated plate 50 has a lower gas permeability in the middle region when the sliding element 63 is pushed in front of the first sheet metal element 49 '. The size of the holes 67 decreases continuously towards the center.
  • FIG. 9 a drum 2 is shown.
  • This drum 2 in the embodiments of the FIGS. 1 to 8 be used. Alternatively, this drum can be used with any other dryer.
  • the drum is a gas-permeable drum 2, wherein the drum shell 21 has perforations 32. Through the drum shell can thus enter a gaseous medium. This is shown by the arrows 34.
  • the end wall of the drum 2 is open, so that through this end wall, the gaseous medium can emerge from the drum interior.
  • an expansion space is arranged on this side.
  • the drum color of the drum is disposed within the end wall.
  • the drum shade 70 is offset in the axial direction 52 of the drum outside the drum and thus offset from the end wall.
  • the exit surface D3, which in FIG. 10 is shown enlarged.
  • the gaseous treatment medium can only emerge from the drum through the outlet opening 72.
  • a drum guide element 74 is arranged on the end face of the drum, on which the outlet opening 72 is arranged.
  • This drum guide element 74 has a cone shape. However, it could also have any other shape.
  • the drum guide element is disposed near the end wall 75, which has the outlet opening 72. In the present case, the drum guide element 74 is attached to the end wall 75. However, the drum guide member 74 could also be attached to the drum shell 21 near the end wall 75.
  • the gaseous treatment medium which flows through the drum shell 21 near the end wall 75, must first flow into the interior of the drum in order then to reach the outlet opening 72 through the opening 73 of the drum head element. This results in the gaseous treatment medium being distributed more uniformly through the drum casing 21, since the negative pressure prevailing in the interior of the drum is distributed more uniformly over the drum casing 21. Otherwise, the negative pressure, by being generated in the expansion space adjoining the outlet opening 72, would be higher in the region of the drum shell which is arranged near the outlet opening 72.
  • FIG. 11 shows a device with a first and a second treatment compartment 76 and 78, respectively.
  • the treatment space 14 is the space surrounding the drum 2 in the area on which the web-shaped material 20 is arranged.
  • the region on which the web-like material is not arranged, as already described, a shielding element 30 is provided.
  • the treatment space 14 is in the present embodiment in FIG. 11 divided into a first and a second treatment compartment 76 and 78, respectively.
  • the first treatment compartment 76 is limited in the radial direction to the outside through the housing wall 77.
  • a first gaseous treatment medium 84 enters, which has a first temperature.
  • the second treatment compartment 78 surrounds the drum in a second peripheral region 82.
  • the second treatment compartment 78 is bounded radially outward by the housing wall 79.
  • the drum 2 rotates in the direction of rotation 26, however, the peripheral areas 80 and 82 are always at the same location with respect to the building walls 77, 79.
  • the web-like material is taken by the drum 2 in the direction of rotation 26 and surrounds the drum in the peripheral areas 80th and 82.
  • a second gaseous treatment medium 86 flows into the second treatment chamber 78.
  • the drum in the first peripheral region 80, the drum is surrounded by a first treatment medium having a first temperature
  • the drum 2 in the second peripheral region 82, the drum 2 is surrounded by a second gaseous treatment medium 86 having a second temperature.
  • the second peripheral region 82 is arranged behind the peripheral region 80 in the transport direction of the material.
  • the first temperature of the first gaseous treatment medium 84 is preferably higher than the second temperature of the second gaseous treatment medium 86. Furthermore, the volume flow of the first gaseous treatment medium 84, which flows through the material in the first peripheral region 80, is preferably higher than the volume flow of the second gaseous treatment medium 86, which flows through the material in the second peripheral region 82, In this way, the web-like material, which first passes through the first peripheral portion 80, dried quickly. In the second peripheral region 82 it is for the drying of the material is no longer decisive whether the temperature and / or the volume flow of the second gaseous treatment medium are high.
  • the temperature and / or the volumetric flow rate at which a wet product is dried have the greater influence on the drying speed the more wet the material to be dried is.
  • the material is drier than in the peripheral region 80.
  • the height of the temperature and / or the size of the volume flow have no great influence on the drying speed of the web-shaped Guts. Therefore, the temperature and / or the volume flow of the second gaseous treatment medium 86 may be less than the first temperature and / or the volume flow of the first gaseous treatment medium 84. In this way, energy is saved.
  • the second temperature and / or the volume flow of the second gaseous treatment medium 86 may be higher than the first temperature and / or the volume flow of the first gaseous treatment medium 84.
  • FIG. 12 another embodiment is arranged with a first and a second treatment chamber 76 and 78, respectively.
  • This embodiment differs in that the second treatment compartment surrounds not only the drum 2 in the peripheral portion 82, but also the first treatment compartment on the side of the treatment compartment which is not adjacent to the drum 2.
  • the second treatment compartment 78 thus surrounds the housing wall 77 of the first treatment compartment.
  • the second gaseous treatment medium 86 which is introduced into the second treatment compartment 78, first passes past the housing wall 77 of the first treatment compartment before it enters the region of the second treatment compartment 78, which partially surrounds the drum 2.
  • the gaseous treatment medium 86 is preheated by the waste heat of the first treatment compartment 76.
  • the drum 2 may be divided in the interior 18 in a first and a second drum compartment space 90, 92, wherein the first drum compartment space in the first Peripheral region 80 of the drum is arranged and the second drum part space is arranged in the second peripheral region 82, so that the first gaseous treatment medium 84, which passes through the drum shell 21 in the drum interior 18, enters the first drum part space 90 and the second gaseous treatment medium 86, which passes through the drum shell, enters the second part of the drum compartment.
  • the respective first and second gaseous treatment medium 84, 86 which has respectively entered the first and the second drum compartment, can each be recycled and heated separately, and fresh air can be supplied and then re-enter the first or second treatment compartment.
  • the first and second treatment partitions may each have channels as they are in the FIGS. 1 to 5 have been described.
  • a third or fourth treatment compartment can be provided, each surrounding the drum in a peripheral region, which follows the first and second peripheral region in the transport direction of the goods.
  • gaseous treatment media can be introduced at different temperatures.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Drying Of Solid Materials (AREA)

Claims (11)

  1. Dispositif pour le traitement d'un produit (20), en particulier pour le séchage d'un produit (20) de préférence en forme de bande, avec un fluide de traitement gazeux qui s'écoule à travers le produit (20), avec
    - au moins un tambour (2), qui comporte une enveloppe de tambour (21) perméable au gaz,
    dans lequel l'enveloppe de tambour (21) est au moins partiellement couverte avec le produit (20) et dans lequel une dépression peut être créée à l'intérieur (18) du tambour (2),
    - un espace de traitement (14, 76, 78) entourant au moins partiellement le tambour (2),
    dans lequel, lors de la création de la dépression à l'intérieur (18) du tambour (2), le fluide de traitement gazeux s'écoule de l'espace de traitement (14, 76, 78) dans l'intérieur du tambour (2) en passant à travers le produit (20) agencé sur l'enveloppe de tambour (21) et l'enveloppe de tambour (21),
    dans lequel l'espace de traitement (14) est divisé au moyen de tôles séparatrices en au moins deux sous-espaces de traitement (76, 78),
    dans lequel au moins un premier sous-espace de traitement (76) entoure au moins une première zone périphérique (80) du tambour (2) et un deuxième sous-espace de traitement (78) entoure au moins une deuxième zone périphérique (82) du tambour (2),
    dans lequel un premier fluide de traitement gazeux (84) ayant une première température peut être introduit dans le premier sous-espace de traitement (76)
    et dans lequel un deuxième fluide de traitement gazeux (86) ayant une deuxième température peut être introduit dans le deuxième sous-espace de traitement (78),
    - un dispositif d'amenée (44), qui amène le fluide de traitement gazeux à l'espace de traitement (14, 76, 78) dans une zone périphérique du tambour (2) de manière répartie sur toute la largeur du tambour (2), la largeur du tambour (2) étant la dimension du tambour (2) dans la direction (52) parallèle à l'axe,
    caractérisé en ce que le dispositif d'amenée (44) comporte un canal d'amenée (46) par lequel s'écoule le fluide de traitement gazeux à amener à l'espace de traitement (14, 76, 78),
    dans lequel une tôle perforée (50) dont la perméabilité au gaz peut être modifiée est agencée dans la section transversale du canal d'amenée (46).
  2. Dispositif selon la revendication 1,
    caractérisé en ce qu'au moins une tôle déflectrice (4) est agencée dans l'espace de traitement (14, 76, 78) du tambour (2) de telle sorte que l'espace de traitement (14, 76, 78) peut être divisé en au moins deux canaux (11, 12, 13),
    dans lequel l'au moins une tôle déflectrice (4) est agencée de telle sorte que les au moins deux canaux (11, 12, 13) s'étendent le long de la périphérie du tambour (2).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'au moins deux tôles déflectrices (4) sont agencées dans l'espace de traitement (14, 76, 78) et en ce que, par le réglage des au moins deux tôles déflectrices (4), la largeur de l'espace de traitement (14, 76, 78) entourant le tambour (2) est réglable, la largeur de l'espace de traitement (14, 76, 78) étant la dimension de l'espace de traitement (14, 76, 78) dans la direction (52) parallèle à l'axe.
  4. Dispositif selon la revendication 3, caractérisé en ce que la largeur de travail du tambour (2) correspond à la largeur du produit (20) qui est agencé sur l'enveloppe de tambour (21) du tambour (2) et en ce que les au moins deux tôles déflectrices (4) peuvent être réglées de telle sorte que la largeur de l'espace de traitement (14, 76, 78) peut être adaptée à la largeur de travail du tambour (2), la largeur de l'espace de traitement (14, 76, 78) et la largeur de travail du tambour (2) étant respectivement la dimension de l'espace de traitement (14, 76, 78) ou la dimension de la largeur de travail du tambour (2) dans la direction (52) parallèle à l'axe.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le dispositif d'amenée (44) amène le fluide de traitement gazeux à l'espace de traitement (14, 76, 78) dans une zone périphérique du tambour (2) d'une manière répartie uniformément sur toute la largeur de travail du tambour (2), la largeur de travail du tambour (2) étant la dimension de la largeur de travail dans la direction (52) parallèle à l'axe.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la tôle perforée (50) présente une perméabilité au gaz différente de manière répartie sur la largeur, la largeur de la tôle perforée (50) étant la dimension de la tôle perforée (50) dans la direction (52) parallèle à l'axe.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins un élément déflecteur de tambour est agencé à l'intérieur (18) du tambour (2),
    dans lequel l'au moins un élément déflecteur de tambour (74) est relié au tambour (2) près d'au moins une paroi frontale du tambour (2),
    dans lequel l'au moins un élément déflecteur de tambour (74) est agencé de telle sorte que la dépression qui est créée au niveau de l'enveloppe de tambour (21) est uniformisée.
  8. Utilisation d'un dispositif selon l'une quelconque des revendications précédentes pour le traitement d'un produit (20), en particulier pour le séchage d'un produit (20) de préférence en forme de bande, caractérisée en ce que la première température du premier fluide de traitement gazeux (84) est plus chaude que la deuxième température du deuxième fluide de traitement gazeux (86) et/ou le débit volumique du premier fluide de traitement (84) est plus grand que le débit volumique du deuxième fluide de traitement (86) et dans lequel la deuxième zone périphérique (82) du tambour (2) qui est entourée par au moins une partie du deuxième sous-espace de traitement (78) est agencée derrière, dans le sens de transport du produit (20) en forme de bande, la première zone périphérique (80) du tambour (2) qui est entourée par au moins une partie du premier sous-espace de traitement (76).
  9. Procédé pour le traitement d'un produit (20), en particulier pour le séchage d'un produit (20) de préférence en forme de bande, par
    - agencement d'un produit (20) en forme de bande sur une enveloppe de tambour (21), perméable au gaz, d'un tambour (2) et transport du produit (20) en forme de bande dans la direction périphérique du tambour (2),
    - amenée d'au moins un premier fluide de traitement gazeux (84) ayant une première température à un premier tronçon du produit (20) agencé sur l'enveloppe de tambour (21),
    - amenée d'au moins un deuxième fluide de traitement gazeux (86) ayant une deuxième température à un deuxième tronçon du produit (20) agencé sur l'enveloppe de tambour (21),
    - dans lequel le deuxième tronçon est agencé derrière, dans le sens de transport du produit (20), le premier tronçon,
    - évacuation du fluide de traitement gazeux à l'intérieur (18) du tambour (2) de telle sorte qu'au moins une partie du premier et du deuxième fluide de traitement gazeux (84, 86) passe à travers le produit (20) agencé sur l'enveloppe de tambour (21) et l'enveloppe de tambour (21) perméable au gaz,
    - amenée répartie du fluide de traitement gazeux à l'espace de traitement (14, 76, 78) dans une zone périphérique du tambour (2) sur toute la largeur du tambour (2) au moyen du passage du fluide de traitement gazeux à amener par un canal d'amenée (46), la largeur du tambour (2) étant la dimension du tambour (2) dans la direction (52) parallèle à l'axe,
    - modification de la perméabilité au gaz du canal d'amenée (46) par modification de la section transversale du canal d'amenée (46) au moyen d'une tôle perforée (50).
  10. Procédé selon la revendication 9, caractérisé en ce qu'une quantité différente de fluide de traitement gazeux est amenée de manière répartie sur toute la largeur du tambour (2).
  11. Procédé selon la revendication 9 ou 10, caractérisé en ce que la quantité de fluide de traitement gazeux amenée dans les zones marginales du tambour (2) est différente de celle amenée au milieu du tambour (2), de préférence la quantité de fluide de traitement gazeux amenée dans les zones marginales du tambour (2) est supérieure à celle amenée au milieu du tambour (2).
EP17165770.3A 2011-09-21 2012-09-12 Dispositif de traitement d'un produit, en particulier destiné à sécher un produit de préférence sous forme de bande Not-in-force EP3258201B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011113835A DE102011113835A1 (de) 2011-09-21 2011-09-21 Vorrichtung zum Behandeln von einem Gut, insbesondere zum Trocknen eines vorzugsweise bahnförmigen Guts
PCT/EP2012/067831 WO2013041429A1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un article, destiné en particulier à sécher un article de préférence en forme de bande
EP12756520.8A EP2758737B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un article, destiné en particulier à sécher un article de préférence en forme de bande

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP12756520.8A Division EP2758737B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un article, destiné en particulier à sécher un article de préférence en forme de bande
EP12756520.8A Division-Into EP2758737B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un article, destiné en particulier à sécher un article de préférence en forme de bande

Publications (3)

Publication Number Publication Date
EP3258201A2 EP3258201A2 (fr) 2017-12-20
EP3258201A3 EP3258201A3 (fr) 2018-02-28
EP3258201B1 true EP3258201B1 (fr) 2019-06-19

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EP17165712.5A Not-in-force EP3258200B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un produit, en particulier destiné à sécher un produit de préférence sous forme de bande
EP12756520.8A Not-in-force EP2758737B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un article, destiné en particulier à sécher un article de préférence en forme de bande
EP17165770.3A Not-in-force EP3258201B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un produit, en particulier destiné à sécher un produit de préférence sous forme de bande

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Application Number Title Priority Date Filing Date
EP17165712.5A Not-in-force EP3258200B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un produit, en particulier destiné à sécher un produit de préférence sous forme de bande
EP12756520.8A Not-in-force EP2758737B1 (fr) 2011-09-21 2012-09-12 Dispositif de traitement d'un article, destiné en particulier à sécher un article de préférence en forme de bande

Country Status (6)

Country Link
US (1) US20140215848A1 (fr)
EP (3) EP3258200B1 (fr)
CN (1) CN103827615B (fr)
DE (1) DE102011113835A1 (fr)
IN (1) IN2014CN02142A (fr)
WO (1) WO2013041429A1 (fr)

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DE102014102119A1 (de) * 2014-02-19 2015-08-20 TRüTZSCHLER GMBH & CO. KG Vorrichtung zum Trocknen einer textilen Warenbahn
FR3033875B1 (fr) 2015-03-17 2021-06-18 Andritz Perfojet Sas Tambour metallique, notamment pour un secheur
CN106288678A (zh) * 2015-06-09 2017-01-04 漳州灿坤实业有限公司 食物烘干机
DE102015118157A1 (de) 2015-10-23 2017-04-27 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zum thermischen Behandeln einer textilen Warenbahn
DE102016109413A1 (de) * 2016-05-23 2017-11-23 Trützschler GmbH + Co KG Textilmaschinenfabrik Trockner für eine textile Warenbahn mit einer verbesserten Heißluftzufuhr
DE102016110117A1 (de) 2016-06-01 2017-12-07 TRüTZSCHLER GMBH & CO. KG Vorrichtung zur Wärmebehandlung einer textilen Warenbahn, insbesondere ein Trockner oder Thermobonder
CN110081670A (zh) * 2019-03-27 2019-08-02 安徽巨创化纤科技有限公司 一种滤布用的烘干装置
CN111876886B (zh) * 2020-07-31 2021-12-10 吉林省参达塑业有限公司 一种具有烘干功能的纺织机
CN113210381B (zh) * 2021-04-14 2022-08-05 东软威特曼生物科技（沈阳）有限公司 用于清洗生化分析仪中比色杯的清洗组件及生化分析仪

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Also Published As

Publication number Publication date
CN103827615A (zh) 2014-05-28
EP3258201A3 (fr) 2018-02-28
DE102011113835A1 (de) 2013-03-21
EP3258200A1 (fr) 2017-12-20
IN2014CN02142A (fr) 2015-05-29
WO2013041429A1 (fr) 2013-03-28
EP2758737B1 (fr) 2017-11-08
EP2758737A1 (fr) 2014-07-30
CN103827615B (zh) 2016-03-16
EP3258201A2 (fr) 2017-12-20
EP3258200B1 (fr) 2019-03-06
US20140215848A1 (en) 2014-08-07

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