DE102015005100A1 - Hollow fiber arrangement, method and device for producing a hollow fiber arrangement, device with at least one hollow fiber arrangement - Google Patents

Abstract

There are a hollow fiber assembly (10) of a device for transporting substances between two fractions, in particular for filtration and / or separation of substances from gaseous or liquid streams, in particular for the separation of fluids, in particular for humidifying or dehumidifying gas, in particular air, in particular for a fuel cell arrangement, in particular for a motor vehicle, a method and an apparatus for producing a hollow fiber arrangement (10) and a device with at least one hollow fiber arrangement (10) are described. The hollow fiber arrangement (10) comprises a plurality of hollow fiber sections (12) which run next to one another and are at least held together by means of at least one connecting medium (16). The hollow fiber sections (12) are arranged side by side on at least one carrier medium (14). At least one connecting medium (16) extends obliquely or transversely to the hollow fiber sections (12) on the side of the hollow fiber sections (12) opposite the at least one carrier medium (14). The at least one connecting medium (16) is connected between at least two of the hollow fiber sections (12) with the at least one carrier medium (14) at at least one connection point (18).

Description

Technical area

The invention relates to a hollow fiber arrangement of a device for transporting substances between two fractions, in particular for filtration and / or separation of substances from gaseous or liquid streams, in particular for separating fluids, in particular for moistening or dehumidifying gas, in particular air, in particular for one Fuel cell assembly having a plurality of hollow fiber sections, which run side by side and at least held by at least one connection medium, in particular held and fixed, are.

Furthermore, the invention relates to a method for producing a hollow fiber arrangement, in particular a hollow fiber arrangement according to the invention, a device for transporting substances between two fractions, in particular for filtration and / or separation of substances from gaseous or liquid streams, in particular for the separation of fluids, in particular for moistening or dehumidifying gas, in particular air, in particular for a fuel cell arrangement in which a plurality of hollow fiber sections is arranged side by side and at least one connection medium is attached at least for holding, in particular for holding and fixing, the hollow fiber sections.

In addition, the invention relates to an apparatus for producing a hollow fiber arrangement, in particular a hollow fiber arrangement according to the invention, a device for transporting substances between two fractions, in particular for filtration and / or separation of substances from gaseous or liquid streams, in particular for the separation of fluids, in particular for moistening or dehumidifying gas, in particular air, in particular for a fuel cell arrangement, in particular for carrying out the method according to the invention, with at least one device for arranging a plurality of hollow fiber sections side by side and at least one device for attaching at least one connection medium at least for holding, in particular for holding and fixing, the hollow fiber sections.

Finally, the invention relates to a device having at least one hollow fiber arrangement, in particular a hollow fiber arrangement according to the invention, for transporting substances between two fractions, in particular for filtration and / or separation of substances from gaseous or liquid streams, in particular for the separation of fluids, in particular for moistening or dehumidifying of gas, in particular air, in particular for a fuel cell arrangement, with a plurality of hollow fiber sections, which run next to one another and at least held by at least one connection medium, in particular held and fixed.

State of the art

From the DE 10 2008 20 28 832 A1 a humidifier comes out. The humidifier comprises hollow fibers which are arranged in layers and fixed by a connecting means. The connecting means is arranged in several tracks on the layers. The connecting means adheres to the hollow fibers and fixes them with each other. The connecting means, which is applied after alignment in tracks, fixes the hollow fibers, so that additional spacers can be omitted. The bonding agent is an agent which is preferably applied in liquid or pasty form to the hollow fibers and thereby allows a particularly flexible design of the tracks and then cured. Since the bonding agent is applied liquid or pasty, the traces partially penetrate and there is a continuous layer which is penetrated by the hollow fibers, wherein the connecting means sealingly surrounds the hollow fibers.

The invention has for its object to design a hollow fiber assembly, a method and an apparatus for producing a hollow fiber assembly and a device for transporting substances between two fractions of the type mentioned, in which the hollow fiber assembly can be realized simply and as variably as possible. In particular, the hollow fiber assembly should be produced by a continuous process. In particular, the hollow fiber assembly should be easily changeable in shape, in particular shape and / or size.

Disclosure of the invention

This object is achieved with the hollow fiber arrangement in that a plurality of hollow fiber sections are arranged side by side on at least one support medium, at least one connection medium on the at least one support medium opposite side of the hollow fiber sections obliquely or transversely to the hollow fiber sections and at least one connection medium between each two of the Hollow fiber sections is connected to the at least one carrier medium at least one connection point.

According to the invention, a plurality of hollow fiber sections are arranged on the at least one carrier medium. The at least one carrier medium stops and stabilizes the hollow fiber assembly. The at least one connecting medium spans several, in particular all, hollow fiber sections on the side opposite the at least one carrier medium. In this way, the hollow fiber sections are at least held, in particular held and fixed, between the at least one carrier medium and the at least one connecting medium.

The at least one connecting medium is in each case connected between the two hollow fiber sections with the at least one carrier medium. With the at least one connection point, a distance between the hollow fiber sections is defined.

The hollow fiber assembly is a three-dimensional structure. In this case, the at least one carrier medium and / or the at least one connecting medium extends in two spatial directions. The stack or layer structure of the at least one carrier medium, the hollow fiber sections and the at least one connection medium extends in the third spatial direction.

The connection with the at least one connection point can bring about a fixing of the hollow fiber sections laterally to one another, in particular with a defined spacing. In addition, a coherent layer structure, in particular a hollow-fiber mat, from the hollow fiber sections, the at least one carrier medium and the at least one connecting medium can be realized. Furthermore, by means of the at least one carrier medium and the at least one connecting medium, the hollow fiber sections can be at least partially protected against external influences.

One or more carrier media may be provided. At least one carrier medium can extend across at least two, in particular all, hollow fiber sections. Several carrier media can be arranged side by side, in particular transversely, in particular parallel, or obliquely to the hollow fiber sections. The carrier media may be separate or interconnected in some way.

Advantageously, one or more connection media can be provided. At least one connecting medium can extend over at least two, in particular all, hollow fibers over a wide area. Several carrier media can be arranged side by side, in particular transversely, in particular parallel, or obliquely to the hollow fiber sections. They can be connected or separate from each other. At least one connection medium may be realized by means of a thread, a leash, a string, a ribbon or the like.

Extensions, in particular width and length, of a flat carrier medium and a flat connecting medium may correspond. In this way, the hollow fiber sections can be uniformly held / fixed and / or protected.

At least one connection point between the at least one connection medium and the at least one carrier medium can be achieved by means of a material-locking and / or positive and / or non-positive connection, in particular an adhesive connection, welded connection, in particular ultrasonic weld connection, solder connection, plug connection, clamp connection, push-through connection, seam connection, clamp connection, Bonding, Velcro, locking connection, embossing, rolling, especially calender rolls, or the like, can be realized.

At least one connection point can be almost punctiform. At least one connection point can be at least partially continuous or interrupted. At least one connection point can be realized as a connection point, connection line or connection surface. It can be realized several connection points between two adjacent hollow fiber sections. The plurality of connection points can be arranged behind one another and / or next to one another. At least one connection point, in particular a connection line or connection surface, can also extend at least in sections obliquely to at least one hollow fiber section.

The carrier medium may advantageously be a flat, flat or curved carrier medium that is flat at least in the original state prior to the production of the hollow fiber arrangement. Advantageously, the connection medium can be flat, flat or curved at least in the original state.

Advantageously, the at least one carrier medium and / or the at least one connection medium can be flexible. In this way, the corresponding flexible medium can be bent around the hollow fiber sections to the corresponding other medium to allow a connection.

Advantageously, both the at least one carrier medium and the at least one connection medium can be flexible. In this way, the media for making the hollow fiber assembly can be formed more easily.

Advantageously, the at least one carrier medium and the at least one connecting medium may also be at least partially flexible in the finished hollow fiber arrangement. In this way, the finished hollow fiber assembly can be made more variable. Thus, the shape of the hollow fiber assembly can be adjusted more easily and / or as needed in particular to a shape of a housing in which it is to be arranged. In particular, the finished hollow fiber assembly can be rolled.

The at least one carrier medium and / or the at least one connection medium may alternatively be at least partially rigid.

Advantageously, the hollow fiber arrangement, in particular the at least one carrier medium, the at least one connection medium and the at least one connection point can be realized in such a way that it can simply be cut to length, in particular cut. In this way, the shape of the hollow fiber assembly can be better varied.

The walls of the hollow fiber sections can advantageously be made of partially permeable structures. The walls may be at least partially permeable to one or more or some of the fabrics. In this way, a mass transport through the walls can be specified accordingly. So a separation of substances can be realized. Advantageously, the hollow fibers may be hollow fiber membranes. The hollow fiber sections may correspondingly be hollow fiber membrane sections and the hollow fiber arrangement may be a hollow fiber membrane arrangement, respectively.

Alternatively or additionally, hollow fibers may be used, which may be designed as tubular filters. The hollow fibers may be made of fibrous material or have this. The hollow fibers may in particular have an inner diameter of approximately between 0.5 mm and 10 mm. In particular, they can have an outer diameter of approximately between 1 mm and 15 mm.

Advantageously, the hollow fiber arrangement may be suitable for filtration.

Advantageously, at least two hollow fiber sections may have the same or similar properties, in particular the same or similar material and / or the same or similar shape, in particular shape and / or dimension. Advantageously, all hollow fiber sections can be the same, in particular the same shape and / or the same properties.

Advantageously, at least one of the hollow fiber sections may comprise at least one polymer.

Advantageously, the at least one carrier medium and / or the at least one connecting medium may comprise at least one synthetic material, in particular polypropylene (PP), polyamide (PA) and / or polybutylene terephthalate (PBT) or a mixture of these or other substances. The at least one carrier medium may advantageously comprise bicomponent fibers.

The at least one carrier medium and / or the at least one connecting medium may advantageously have at least one nonwoven fabric at least. Advantageously, the at least one carrier medium and / or the at least one connecting medium may at least comprise at least one spunbond and / or meltblown nonwoven and / or spunlay.

The at least one carrier medium and / or the at least one connecting medium may advantageously comprise at least one in particular synthetic textile, woven fabric, knitted fabric, mesh, knit or the like.

Advantageously, the at least one carrier medium and / or the at least one connecting medium in the production of the hollow fiber arrangement continuously, in particular from a feeder, in particular from a roll, a stack or the like, are supplied.

A feeding and processing of the materials used, in particular of the at least one carrier medium and / or the at least one connecting medium and / or the hollow fiber (s) / hollow fiber sections, can advantageously take place in at least one continuous process.

Advantageously, at least one of the hollow fiber sections in the manufacture of the hollow fiber arrangement can be fed continuously, in particular, from a feed device, in particular from a roll, a stack or the like.

The hollow fiber arrangement can be realized according to the invention according to a continuous process. In this way, hollow fiber assemblies can be produced with increased productivity and defined quality.

Advantageously, a distance between the hollow fiber sections by appropriate specification of at least one connection point, in particular a device for the realization of at least one connection point can be set variably.

Advantageously, the hollow fiber arrangement can be realized as a semi-finished product. The hollow fiber assembly can be cut to length as needed. So it can be easily fitted in a corresponding space, especially a defined housing. The semifinished product can in particular be arranged on a stack or a roll, in particular folded or wound. In this way, the semifinished product can be easily used for later further processing.

The hollow fiber assembly can be cut to a required size after production, in particular cut to length. In addition, the hollow fiber arrangement can be shaped as required, in particular rolled and / or folded.

The ends of the hollow fiber sections can be connected to corresponding leads and / or leads for the substances to be transported. The ends of the hollow fiber sections can advantageously be cast in particular in resin and held and fixed.

The hollow fiber arrangement may advantageously be arranged in a housing of the device for transporting substances between two fractions, in particular a gas-fired fiber humidifier for fuel cell applications.

In the case of the hollow fiber arrangement according to the invention, curved hollow fiber sections can also be easily positioned and at least held, in particular held and fixed, on the at least one carrier medium. In particular, after unwinding from a roll, the hollow fiber sections can be strongly curved. Heavily curved hollow fiber sections can be arranged more easily in the hollow fiber arrangement according to the invention and held / fixed at the desired spacing than in hollow fiber arrangements known from the prior art.

Advantageously, it can be dispensed with to provide the at least one carrier medium and / or the at least one connection medium in the original state before assembly with receptacles, in particular recesses or boundaries, for the hollow fibers. The at least one carrier medium and / or at least one connecting medium can be unembossed, unbent and unfolded in the original state. Due to the connection points between the hollow fiber sections, it is possible to dispense with such receptacles between the at least one carrier medium and the at least one connection medium for positioning, holding, in particular fixing. The three-dimensional structure of the hollow fiber arrangement results from the connection points, in particular the fixation. The hollow fiber arrangement according to the invention can be realized very quickly and with a low susceptibility to errors.

Furthermore, the hollow fiber arrangement according to the invention can be controlled, in particular with a better process control. The positions and positions of the hollow fiber sections can be better defined. Furthermore, a particular mechanical stress on the hollow fiber sections during production, further processing and / or during operation of the hollow fiber arrangement can be better defined, in particular reduced.

In particular, the fact that the at least one support medium and / or the at least one connection medium must not be preformed, in particular embossed, bent or folded, a plurality of materials for the hollow fiber sections, the at least one support medium and / or the at least one connection medium can be used , Advantageously, in the case of the materials, in particular the at least one carrier medium, the at least one connecting medium and / or the at least one hollow fiber sections, different porosities can be used depending on the application.

In addition, the hollow fiber sections, the at least one carrier medium and / or the at least one connecting medium may in particular have laterally varying thicknesses, densities and / or permeabilities or the like.

The hollow fiber arrangement can be used in a device for transporting substances between two fractions. Advantageously, the device can be used for the separation of substances from gaseous or liquid material streams. The device can be used for separating fluids, in particular for moistening or dehumidifying gas, in particular air. The device can be used to moisten a fuel cell assembly.

Advantageously, the device, in particular the hollow fiber arrangement, can be used in motor vehicles. The invention may also be used outside automotive engineering and / or independently of fuel cell arrangements. The hollow fiber arrangement can also be used in other areas, in particular industrial areas, for humidifying and dehumidifying gases.

In an advantageous embodiment, the at least one connection medium by at least one further carrier medium or be realized in conjunction with a further carrier medium. In this way, the stability of the hollow fiber assembly can be further improved. Furthermore, protection of the hollow fiber sections by the further carrier medium can be improved.

The further carrier medium can be similar or similar in shape, in particular shape and / or size, and / or material to the at least one first carrier medium. The carrier media can also be different.

In a further advantageous embodiment, at least one hollow fiber section can run straight or curved at least in sections.

At least one hollow fiber section may be partially or entirely straight. In this way it can be arranged to save space. Several at least sections just hollow fiber sections can be easily and space-saving next to each other.

Alternatively or additionally, at least one hollow fiber section may run bent at least in sections. The at least one hollow fiber section can run at least in sections in serpentine lines or in another form, in particular meandering. Due to the variable profile of the at least one hollow fiber section, an additional space between the hollow fiber sections can be realized. This additional space can act as tolerance compensation, in particular for compensation of mechanical loads and / or during shrinkage and / or stretching of the hollow fiber sections and / or the hollow fiber arrangement.

In a further advantageous embodiment, at least one hollow fiber section may be arranged at least partially under a clearance or without play between the at least one carrier medium and the at least one connecting medium. At least one hollow fiber section may be arranged at least partially under a game. Thus, any tolerances, in particular component-related and / or operational tolerances, can be better compensated. The at least one hollow fiber section can be kept while maintaining a game.

Advantageously, the at least one hollow fiber section can be arranged without clearance at least in sections. In this way, the at least one hollow fiber section can be positioned even more accurately and / or better held and fixed. The at least one hollow fiber section can be kept free of play and fixed.

In a further advantageous embodiment, at least two, in particular adjacent, hollow fiber sections can each be connected to one another, in particular connected, by at least one end. In this way, the hollow fiber sections can be flowed through one behind the other by the substances to be transported. The flow-through hollow fiber length can be increased as a whole.

Advantageously, the hollow fiber sections may be corresponding sections of a continuous hollow fiber. The coherent hollow fiber may be laid between the at least one carrier medium and the at least one connecting medium.

In a further advantageous embodiment, at least one hollow fiber can run in a loop-like or meandering manner between the at least one carrier medium and the at least one connecting medium. So coherent hollow fiber sections of the hollow fiber can be easily arranged side by side.

The object is further achieved according to the invention in the method for producing a hollow fiber array in that a plurality of hollow fiber sections are arranged side by side on at least one support medium, at least one connection medium on the at least one support medium opposite side of the hollow fiber sections is arranged obliquely or transversely to the hollow fiber sections, the at least one connection medium and the at least one carrier medium between each two of the hollow fiber sections are connected to one another at at least one connection point, wherein the order of the method steps can be changed appropriately.

Advantageously, the hollow fiber assembly can be made by a continuous process. Advantageously, the hollow fiber sections, the at least one carrier medium and / or the at least one connecting medium can be supplied by at least one feed device, in particular a roll and / or a stack.

Advantageously, the hollow fiber sections of coherent hollow fibers between at least one contiguous support medium and at least one contiguous connection medium can be removed from corresponding feed devices.

The joints may extend along connecting lines which are parallel to the Can extend conveying direction of the hollow fibers, the carrier medium and the connecting medium.

The object is also achieved according to the invention in the apparatus for producing a hollow fiber assembly by at least one connecting device for connecting at least one carrier medium and at least one connecting medium, between which a plurality of hollow fiber sections are arranged, wherein the at least one connecting device is configured for connecting the at least one carrier medium and at least a connection medium at at least one connection point between at least two hollow fiber sections arranged next to one another.

Advantageously, the at least one connecting device can be adjusted to change positions, in particular distances, of the connecting points.

In an advantageous embodiment, at least one media feed device can be provided for feeding the at least one carrier medium and / or the at least one connecting medium.

With the at least one media supply device, a continuous feeding of the corresponding medium can be realized.

The at least one media supply device can advantageously have at least one roll or a stack with the corresponding medium.

In a further advantageous embodiment, at least one hollow fiber feeding device can be provided for feeding at least one hollow fiber section.

With the at least one hollow fiber feeding device, a continuous feeding of the at least one hollow fiber section, in particular of the at least one hollow fiber, can be realized.

The at least one hollow fiber feeding device can advantageously have at least one roll or a stack with the at least one hollow fiber.

The object is finally achieved according to the invention in the device for transporting materials in that several hollow fiber sections are arranged side by side on at least one carrier medium, at least one connection medium on the at least one support medium opposite side of the hollow fiber sections obliquely or transversely to the hollow fiber sections and at least one Connecting medium between each two of the hollow fiber sections is connected to the at least one carrier medium at least one connection point.

Incidentally, the features and advantages shown in connection with the hollow fiber arrangement according to the invention, the method according to the invention and the apparatus according to the invention for producing a hollow fiber arrangement and the device according to the invention for transporting substances and their respective advantageous embodiments apply mutatis mutandis and vice versa. The individual features and advantages can, of course, be combined with one another, whereby further advantageous effects can be achieved that go beyond the sum of the individual effects.

Brief description of the drawings

Further advantages, features and details of the invention will become apparent from the following description, are explained in more detail in the embodiments of the invention with reference to the drawing. The person skilled in the art will expediently also individually consider the features disclosed in the drawing, the description and the claims in combination and combine these into meaningful further combinations. They show schematically:

1 a top view of a section of a first embodiment of a hollow fiber membrane mat of a gas humidifier having two flat carrier media, between which a plurality of hollow fiber membrane sections are arranged side by side;

2 a side view of the hollow fiber membrane mat 1 ;

3 a side view of the hollow fiber membrane mat 1 and 2 in a manufacturing phase prior to joining the carrier media;

4 an apparatus for the continuous production of the hollow fiber membrane mat from 1 to 3 ;

5 a section of a hollow fiber membrane mat according to a second embodiment, in which a hollow fiber membrane is arranged in loops with a plurality of hollow fiber membrane sections between the carrier media;

6 a section of a hollow fiber membrane mat according to a third embodiment, in which the hollow fiber membrane is laid in loops between the support media, wherein one of Hollow fiber membrane sections is arranged in serpentine lines;

7 a plan view of a section of a hollow fiber membrane mat gem. a fourth embodiment in which the hollow fiber membrane sections are fastened to the carrier medium by means of two connecting bands;

8th a side view of the hollow fiber membrane mat 7 ,

In the figures, the same components are provided with the same reference numerals.

Embodiment (s) of the invention

In 1 is a section of a hollow fiber membrane assembly in the form of a hollow fiber membrane mat 10 shown in plan view. 2 shows the hollow fiber membrane mat 10 in the side view. The hollow fiber membrane mat 10 can be used as an example in a gas humidifier. The gas humidifier may be used as an example of a fuel cell assembly to humidify supply air to the fuel cells.

The hollow fiber membrane mat 10 includes a plurality of hollow fiber membrane sections 12 of which in the 1 and 2 three are shown by way of example.

The hollow fiber membrane sections 12 run side by side and parallel to each other. The hollow fiber membrane sections 12 are on a flat lower support medium 14 arranged. On the lower carrier medium 14 opposite side of the hollow fiber membrane sections 12 , in 2 above, is also a flat upper carrier medium 16 arranged. In 2 are the carrier media 14 and 16 dotted for better clarity indicated.

The hollow fiber membrane sections 12 are located between the upper carrier medium 16 and the lower carrier medium 14 , The hollow fiber membrane mat 10 thus forms a three-dimensional structure. Both the upper carrier medium 14 as well as the lower carrier medium 16 extend transversely to the longitudinal axes of the hollow fiber membrane sections 12 ,

The upper carrier medium 16 is between every two of the hollow fiber membrane sections 12 along connecting lines 18 , in the 1 are indicated dotted throughout, by way of example by means of a welded joint with the lower support medium 14 connected. The upper carrier medium 16 can also be referred to as a connection medium. Alternatively, the lower carrier medium 14 be referred to as a connection medium. Along the connecting lines 18 form the carrier media 14 and 16 Spacer with which the adjacent hollow fiber membrane sections 12 can be kept at a distance to each other.

The carrier media 14 and 16 are each flexible. In the original state, the carrier media 14 and 16 each be just like this in 3 is shown. In 3 are the carrier media 14 and 16 and the interposed hollow fiber membrane sections 12 before connecting the carrier media 14 and 16 shown. The carrier media 14 and 16 adapted during manufacture to the course of the peripheral sides of the hollow fiber membrane sections 12 at. The carrier media 14 and 16 each have a wavy course in the side view, as in 2 is shown. The hollow fiber membrane sections 12 are under the maintenance of a game between the carrier media 14 and 16 and between the connecting lines 18 arranged.

The hollow fiber membrane sections 12 surmount the carrier media 14 and 16 with both ends. The hollow fiber membrane sections 12 can be connected with their ends with appropriate fluid lines. The ends of the hollow fiber membrane sections 12 on one side of the hollow fiber membrane mat 10 For example, they can be poured into a block, for example of resin.

The walls of the hollow fiber membrane sections 12 are made of semi-permeable structures. By appropriate material permeability can be humidified with them in here not interesting way gas. At the hollow fiber membrane sections 12 it may be exemplified by polymeric hollow fibers, as they can be used in corresponding gas humidifiers.

The carrier media 14 and 16 are exemplary of the same material. The carrier media 14 and 16 are made of synthetic material, for example polypropylene, polyamide or polybutylene terephthalate or a mixture thereof or with other substances. carrier media 14 and 16 are not woven. Alternatively, they may be made of, for example, a synthetic textile, woven, knitted, knitted or grid or the like.

4 shows a device 20 for producing the hollow fiber membrane mat 10 from the 1 to 3 in the plan view.

The device 20 includes a lower roller 22 from which the lower carrier medium 14 is rolled off.

In viewing direction of 4 in front of the lower roll 22 is a better clarity because not shown upper role with the upper carrier medium 16 shown. This in 4 also not shown upper carrier medium 16 is in the viewing direction in front of the lower carrier medium 14 ,

Furthermore, the device comprises 22 by way of example four hollow-fiber membrane rolls 24 , each of which is a hollow fiber membrane 32 is rolled off. The hollow fiber membrane rolls 24 are arranged as an example next to each other. The hollow fiber membranes 32 be between the lower roll 22 and the upper roll. The upper roller is thus in the direction of the 4 in front of the hollow fiber membranes 12 ,

In addition, the device includes 20 a welding device 26 with example four welding heads 28 , The welding heads 28 are according to the distance of the later connecting lines 18 along the welding device 26 arranged. The welding heads 28 are located on the lower carrier medium 14 remote from the outside of the upper carrier medium 16 , in consideration of the 4 So before the upper carrier medium, not shown.

Below the lower support medium 14 on the welding heads 28 opposite sides corresponding weld anvils are arranged in 4 not shown.

A conveying direction of the lower carrier medium 14 , the upper carrier medium and the hollow fiber membranes 32 in the device 20 is by an arrow 30 indicated. The conveying direction 30 runs parallel to the longitudinal axes of the hollow-fiber membrane 32 ,

For producing the hollow fiber membrane mat 10 be at the device 20 the lower carrier medium 14 from the lower roll 22 , the upper support medium from the upper roller and the intervening hollow fiber membranes 32 from the hollow fiber membrane rolls 24 continuously unrolled and in the conveying direction 30 through the welding device 26 promoted. This will be the hollow fiber membrane 32 each between two adjacent welding heads 28 passed through. With the welding heads 28 be along the connecting lines 18 in each case a welded connection between the lower carrier medium 14 and the upper carrier medium 16 realized. The connecting lines 18 run parallel to the conveying direction 30 , In conveying direction 30 behind the welding device 26 form the hollow fiber membranes 32 each a hollow fiber membrane section 12 , The hollow fiber membrane sections 12 be between two connecting lines 18 while keeping a game.

Overall, the hollow fiber membrane mat 10 produced in a continuous process. Optionally, the device 20 be designed so that the distances between the welding heads 28 can be changed. In this way, the distances of the connecting lines 18 be varied. So can a game of hollow fiber membranes 12 between the connecting lines 18 be changed accordingly.

The hollow fiber membrane mat 10 is then cut to length as needed with a cutting machine, not shown. Alternatively, the hollow fiber membrane 10 rolled up on a roll and cut to length at a later date.

After cutting to length, the hollow fiber membrane mat becomes 10 rolled into a roll. The ends of the hollow fiber membrane sections 12 are poured into corresponding terminal blocks. The rolled and padded hollow fiber membrane mat 10 is placed in a corresponding housing of the gas humidifier.

In 5 is a section of a hollow fiber membrane mat 10 shown according to a second embodiment. In contrast to the first embodiment of the 1 to 3 are the hollow fiber membrane sections in the second embodiment 12 coherent with a continuous hollow fiber membrane 32 realized. The hollow fiber membrane 32 is in loops between the lower support medium 14 and the upper support medium. Adjacent hollow fiber membrane sections 12 So they are connected to each other with one end. In 5 the upper carrier medium is not shown for the sake of clarity.

In 6 is a hollow fiber membrane mat 10 shown according to a third embodiment. In contrast to the second embodiment 5 is in the third embodiment, one of the hollow fiber membrane sections 12 in serpentine lines between the adjacent connecting lines 18 laid.

In 7 is a hollow fiber membrane mat 10 shown according to a fourth embodiment. Unlike the first three embodiments 1 to 6 are in the fourth embodiment instead of the upper support medium 16 two connecting bands 116 each provided as a connection medium. The connecting bands 116 extend parallel to each other transversely to the hollow fiber membrane sections 12 ,

Between each two of the hollow fiber membrane sections 12 are the connection bands 116 each at a junction 118 with the lower carrier medium 14 sutured.

The connecting bands 116 nestle circumferentially on the hollow fiber membrane sections 12 at. The connecting bands 116 viewed in the side view has a roughly wavy course. The carrier medium 14 is just.

In the area of joints 118 form the connecting bands 116 each a spacer between the adjacent hollow fiber membrane sections 12 ,

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 1020082028832 A1 [0005]

Claims (11)

Hollow fiber arrangement ( 10 ) a device for transporting substances between two fractions, in particular for the filtration and / or separation of substances from gaseous or liquid material streams, in particular for the separation of fluids, in particular for moistening or dehumidifying gas, in particular air, in particular for a fuel cell assembly, with a Plurality of hollow fiber sections ( 12 ) which run side by side and by means of at least one connection medium ( 16 ; 116 ) at least held, in particular held and fixed, are, characterized in that a plurality of hollow fiber sections ( 12 ) side by side on at least one carrier medium ( 14 ) are arranged, at least one connection medium ( 16 ; 116 ) on the at least one carrier medium ( 14 ) opposite side of the hollow fiber sections ( 12 ) obliquely or transversely to the hollow fiber sections ( 12 ) and the at least one connection medium ( 16 ; 116 ) between each two of the hollow fiber sections ( 12 ) with the at least one carrier medium ( 14 ) at at least one connection point ( 18 ; 118 ) connected is. Hollow fiber arrangement according to claim 1, characterized in that the at least one connecting medium ( 16 ) by at least one further carrier medium ( 14 ) or realized in conjunction with another carrier medium. Hollow fiber arrangement according to claim 1 or 2, characterized in that at least one hollow fiber section ( 12 ) runs at least partially straight or curved. Hollow fiber arrangement according to one of the preceding claims, characterized in that at least one hollow fiber section ( 12 ) at least in sections under a game or without play between the at least one carrier medium ( 14 ) and the at least one connection medium ( 16 ; 116 ) is arranged. Hollow fiber arrangement according to one of the preceding claims, characterized in that at least two in particular adjacent hollow fiber sections ( 12 ) are connected to each other with at least one end, in particular contiguous, are. Hollow fiber arrangement according to one of the preceding claims, characterized in that at least one hollow fiber ( 32 ) loop-like or meandering between the at least one carrier medium ( 14 ) and the at least one connection medium ( 16 ) runs. Method for producing a hollow fiber arrangement ( 10 ), in particular according to one of the preceding claims, a device for transporting substances between two fractions, in particular for the filtration and / or separation of substances from gaseous or liquid material streams, in particular for the separation of fluids, in particular for moistening or dehumidifying gas, in particular air in particular for a fuel cell arrangement in which a plurality of hollow fiber sections ( 12 ) is arranged side by side and at least one connection medium ( 16 ; 116 ) is at least for holding, in particular for holding and fixing, the hollow fiber sections ( 12 ), characterized in that a plurality of hollow fiber sections ( 12 ) side by side on at least one carrier medium ( 14 ), at least one connection medium ( 16 ; 116 ) on the at least one carrier medium ( 14 ) opposite side of the hollow fiber sections ( 12 ) obliquely or transversely to the hollow fiber sections ( 12 ) is arranged to run, the at least one connection medium ( 16 ; 116 ) and the at least one carrier medium ( 14 ) between each two of the hollow fiber sections ( 12 ) at at least one connection point ( 18 ; 118 ), wherein the order of the method steps can be changed appropriately. Contraption ( 20 ) for producing a hollow fiber arrangement ( 10 ), in particular according to one of claims 1 to 6, a device for transporting substances between two fractions, in particular for filtration and / or separation of substances from gaseous or liquid material streams, in particular for the separation of fluids, in particular for moistening or dehumidifying gas, in particular air, in particular for a fuel cell arrangement, in particular for carrying out a method according to claim 7, with at least one device ( 24 ) for arranging a plurality of hollow fiber sections ( 12 ) next to each other and at least one institution ( 22 ) for attaching at least one connection medium ( 16 ; 116 ) at least for holding, in particular for holding and fixing, the hollow fiber sections ( 12 ), wherein at least one connecting device ( 26 ) for connecting at least one carrier medium ( 14 ) and at least one connection medium ( 16 ), between which several hollow fiber sections ( 12 ), is provided, wherein the at least one connecting device ( 26 ) is configured for connecting the at least one carrier medium ( 14 ) and the at least one connection medium ( 16 ) at at least one connection point ( 18 ) between at least two juxtaposed hollow fiber sections ( 12 ). Apparatus according to claim 8, characterized by at least one media feed device ( 22 ) for feeding the at least one carrier medium ( 14 ) and / or the at least one connection medium ( 16 ). Apparatus according to claim 8 or 9, characterized by at least one hollow fiber feed device ( 24 ) for feeding at least one hollow fiber section ( 12 ). Device with at least one hollow fiber arrangement ( 10 ), in particular according to one of claims 1 to 6, for the transport of substances between two fractions, in particular for the filtration and / or separation of substances from gaseous or liquid material streams, in particular for the separation of fluids, in particular for moistening or dehumidifying gas, in particular air , in particular for a fuel cell arrangement, having a plurality of hollow fiber sections ( 12 ) which run side by side and by means of at least one connection medium ( 16 ; 116 ) at least held, in particular held and fixed, are, characterized in that a plurality of hollow fiber sections ( 12 ) side by side on at least one carrier medium ( 14 ) are arranged, at least one connection medium ( 16 ; 116 ) on the at least one carrier medium ( 14 ) opposite side of the hollow fiber sections ( 12 ) obliquely or transversely to the hollow fiber sections ( 12 ) and the at least one connection medium ( 16 ; 116 ) between each two of the hollow fiber sections ( 12 ) with the at least one carrier medium ( 14 ) at at least one connection point ( 18 ; 118 ) connected is.

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