ES2621109T3 - Filter fabric - Google Patents
Filter fabric Download PDFInfo
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- ES2621109T3 ES2621109T3 ES15151612.7T ES15151612T ES2621109T3 ES 2621109 T3 ES2621109 T3 ES 2621109T3 ES 15151612 T ES15151612 T ES 15151612T ES 2621109 T3 ES2621109 T3 ES 2621109T3
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- Prior art keywords
- chain
- threads
- filter fabric
- weft
- stainless steel
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Classifications
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/12—Threads containing metallic filaments or strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
- B60J1/2013—Roller blinds
- B60J1/2036—Roller blinds characterised by structural elements
- B60J1/2041—Blind sheets, e.g. shape of sheets, reinforcements in sheets, materials therefor
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/533—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads antistatic; electrically conductive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/50—Means for dissipating electrostatic charges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0241—Types of fibres, filaments or particles, self-supporting or supported materials comprising electrically conductive fibres or particles
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/20—Metallic fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
- D10B2321/042—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/04—Filters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
- Filtering Materials (AREA)
Abstract
Tejido filtrante, que comprende hilos de cadena y de trama entretejidos (3,4) entre sí, basados en materiales sintéticos poliméricos, en donde los hilos de cadena (3) están formados por hebras de cadena (30) y los hilos de trama (4) están formados por hebras de trama (40), caracterizado por que: - por lo menos algunos de los hilos de cadena (3) comprenden hebras de cadena (30), que están retorcidas juntamente con por lo menos un alambre de acero inoxidable monofilamento (5) a los hilos de cadena (3); y/o *- por lo menos algunos de los hilos de trama (4) comprenden hebras de trama (40), que están retorcidos juntamente con por lo menos un alambre de acero inoxidable monofilamento (5) a los hilos de trama 4).Filter fabric, comprising interwoven chain and weft threads (3,4) with one another, based on polymeric synthetic materials, wherein the chain threads (3) are formed by chain threads (30) and the weft threads ( 4) they are formed by weft threads (40), characterized in that: - at least some of the chain threads (3) comprise chain threads (30), which are twisted together with at least one stainless steel wire monofilament (5) to chain threads (3); and / or * - at least some of the weft threads (4) comprise weft threads (40), which are twisted together with at least one monofilament stainless steel wire (5) to the weft threads 4).
Description
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Tejido para filtrosFilter fabric
La invencion se refiere a tejidos para filtros, que comprenden hilos de cadena y de trama entretejidos de materiales sinteticos polimericos, en donde los hilos de cadena estan formados por hebras de cadena y los hilos de trama estan formados por hebras de trama.The invention relates to filter fabrics, comprising interwoven chain and weft threads of polymeric synthetic materials, wherein the chain threads are formed by chain threads and the weft threads are formed by weft threads.
Los tejidos para filtro de este tipo son ampliamente conocidos. En una gama de aplicaciones de filtros especiales se necesitan medios filtrantes, tales como tejidos, que han de presentar propiedades antiestaticas o bien electricamente conductoras. A tftulo de ejemplo puede mencionarse la filtracion de medios cargados de polvo, en los que un tejido filtrante antiestatico puede prevenir la adherencia indeseada del material, cargado de polvo, al tejido de filtro o condiciones laborales con peligro de explosion. Por ejemplo, el filtrado de aceite de palma exige la utilizacion de medios filtrantes electricamente conductores y antiestaticos, tales como tejido de filtro, para evitar un peligro de explosion durante la filtracion en prensas de filtro.Filter fabrics of this type are widely known. In a range of special filter applications, filter media, such as fabrics, are required to have antistatic or electrically conductive properties. As an example, the filtration of dust-laden media can be mentioned, in which an antistatic filter cloth can prevent unwanted adhesion of the dust-laden material to the filter fabric or working conditions with danger of explosion. For example, palm oil filtering requires the use of electrically conductive and antistatic filter media, such as filter tissue, to avoid a danger of explosion during filtration in filter presses.
Se conoce la utilizacion de filtros tejidos filtrantes electricamente conductores hechos por ejemplo de poliamida 11 y polipropileno, que son puestos a tierra. Tambien ya se ha propuesto, para elevar o bien mejorar las propiedades antiestaticas y electricamente conductoras entretejer a una distancia determinada de por ejemplo 1 a 2 cm en direccion de la del tejido filtrante una hebra, consistente en aproximadamente el 80% poliester y 20% de un acero inoxidable hilado. En la direccion de cadena del tejido, en uno o en ambos de sus bordes se entreteje un cable trenzado fabricado a partir del mismo poliester/material de acero inoxidable, de manera tal que por sobre la totalidad del area de filtrado se asegure una capacidad electricamente conductora. Sin embargo, este procedimiento conocido es sumamente complicado/laborioso y ademas, debido a la utilizacion de la hebra de acero hilado resulta ser sumamente desventajoso desde el punto de vista de los costos, Por cuanto su vision de fabricacion es elevado.The use of electrically conductive filter woven filters made for example of polyamide 11 and polypropylene, which are grounded, is known. It has also already been proposed, to raise or improve the antistatic and electrically conductive properties interweave at a certain distance of for example 1 to 2 cm in the direction of that of the filter tissue a strand, consisting of approximately 80% polyester and 20% of A spun stainless steel. In the direction of the fabric chain, at one or both of its edges, a braided cable made from the same polyester / stainless steel material is interwoven, so that over the entire filtering area an electrically capable capacity is ensured conductive However, this known procedure is extremely complicated / laborious and also, due to the use of the spun steel strand it turns out to be extremely disadvantageous from the point of view of costs, in that its manufacturing vision is high.
Un tejido filtrante de acuerdo con el preambulo de la reivindicacion 1 se conoce del documento DE 200 13 839 U1.A filter cloth according to the preamble of claim 1 is known from DE 200 13 839 U1.
Ademas de ello, en el caso de los tejidos filtrantes conocidos existe el problema de que los filamentos individuales de las hebras hiladas que presentan una elevada proporcion de poliester pueden soltarse e ingresar en el material filtrado, lo que es sumamente problematico en el caso de los productos preliminares para uso medico. Por otra parte, por razones tecnicas, las fibras de acero inoxidable hiladas utilizadas, pueden hilarse casi exclusivamente con fibras de poliester o aramfdicas de manera de obtener las hebras aptas para formar un material continuo, condiciones esta que son satisfechas solamente de manera limitada por normas especializadas, tales como las normas FDA.In addition, in the case of known filter fabrics there is a problem that the individual filaments of the spun strands that have a high proportion of polyester can be released and enter the filtered material, which is very problematic in the case of Preliminary products for medical use. On the other hand, for technical reasons, the spun stainless steel fibers used can be spun almost exclusively with polyester or aramid fibers in order to obtain the strands suitable for forming a continuous material, conditions that are satisfied only in a limited way by standards specialized, such as FDA standards.
Por lo tanto, el objetivo de la invencion es de proponer un tejido filtrante electricamente conductor y en este aspecto tambien efectivo desde el punto de vista antiestatico, que pueda fabricarse con costos manifiestamente reducidos, pueda utilizarse sin problemas en diversos campos de aplicacion y que ademas presente por lo menos un conductividad electrica y una propiedad antiestatica de igual calidad que la del estado de la tecnica.Therefore, the aim of the invention is to propose an electrically conductive filter fabric and in this aspect also effective from the anti-static point of view, which can be manufactured with manifestly reduced costs, can be used without problems in various fields of application and also present at least one electrical conductivity and an antistatic property of the same quality as the state of the art.
De acuerdo con la invencion, para lograr el objetivo planteado se propone un tejido filtrante de acuerdo con las caracterfsticas de la reivindicacion de patente 1. Configuraciones ventajosas y perfeccionamientos de la invencion son objeto de las reivindicaciones subordinadas.According to the invention, in order to achieve the stated objective, a filter fabric is proposed in accordance with the characteristics of the patent claim 1. Advantageous configurations and improvements of the invention are subject to the dependent claims.
La invencion propone configurar por lo menos algunos de los hilos de cadena de manera tal que comprendan hebras de cadena, que juntamente con por lo menos un alambre de acero imaginable monofilamento estan retorcidos en el hilo de cadena y/o por lo menos algunas de los hilos de trama comprendan hebras de trama, que juntamente con por lo menos un alambre de acero inoxidable monofilamento esten retorcidos en los hilos de trama.The invention proposes to configure at least some of the chain threads in such a way that they comprise chain strands, which together with at least one monofilament steel wire imaginable are twisted in the chain thread and / or at least some of the weft threads comprise weft threads, which together with at least one monofilament stainless steel wire are twisted in the weft threads.
Como resultado se obtiene un tejido filtrante que de manera selectiva en la region de algunos o de la totalidad de los hilos de cadena, en la region de algunos o de la totalidad de los hilos de trama o tanto en la region de algunos o de la totalidad de los hilos de cadena y tanto algunos o la totalidad de los hilos de trama presente adicionalmente un alambre de acero inoxidable introducido mediante retorcido, que debido a su realizacion monofilamento se extiende por sobre la longitud total de los hilos de cadena o bien de trama y en especial forma una parte de la superficie de los hilos de cadena y/o de trama, de manera tal que en los puntos de cruce de los hilos de cadena y de trama se creen recfprocamente vinculaciones electricamente conductoras con una continuidad.As a result, a filter fabric is obtained which selectively in the region of some or all of the chain threads, in the region of some or all of the weft threads or in the region of some or of the all of the chain threads and both some or all of the weft threads additionally present a stainless steel wire introduced by twisting, which due to its monofilament embodiment extends over the total length of the chain or weft threads and in particular it forms a part of the surface of the chain and / or weft threads, such that electrically conductive linkages with continuity are created reciprocally at the crossing points of the chain and weft threads.
Dentro de los alcances de la invencion se ha comprobado que un tejido filtrante de este tipo, con alambres electricamente conductores incorporados en por lo menos algunos de los hilos de cadena o bien de trama presenta una excelente conductividad electrica, que por lo demas es comparable con de placas metalicas, lo que permite vincular de manera electricamente conductora el tejido filtrante a una estructura portante y poner a tierra de estructura portante. Debido a ello, un tejido filtrante se vuelve invulnerable frente a una carga de polvo, que hasta la actualidad, en el caso de los tejidos filtrantes usuales en el comercio, presentaba un gran problema debido a tendencia a acumular cargas estaticas.Within the scope of the invention it has been found that such a filter fabric, with electrically conductive wires incorporated in at least some of the chain or weft wires, has an excellent electrical conductivity, which is otherwise comparable with of metal plates, which allows electrically conductive connection of the filter tissue to a supporting structure and grounding of the supporting structure. Because of this, a filter cloth becomes invulnerable against a load of dust, which until now, in the case of the usual filter fabrics in commerce, presented a great problem due to the tendency to accumulate static loads.
El tejido filtrante de acuerdo con la invencion presenta una resistencia de superficie especffica de a lo sumo 105 Q, preferiblemente de lo sumo 103 Q.The filter fabric according to the invention has a specific surface resistance of at most 105 Q, preferably at most 103 Q.
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En virtud de ello, y gracias a la ausencia de una acumulacion estatica de las cargas el tejido filtrante puede tambien utilizarse sin problema en regiones y aplicaciones donde exista el riesgo de explosiones.By virtue of this, and thanks to the absence of a static accumulation of the charges, the filter cloth can also be used without problem in regions and applications where there is a risk of explosions.
De acuerdo con una proposicion de la invencion, el alambre de acero inoxidable retorcido con los las hebras de cadena y/o de trama se fabrica de un acero inoxidable V2A o V4A.According to a proposition of the invention, the twisted stainless steel wire with the chain and / or weft strands is made of a stainless steel V2A or V4A.
Bajo la expresion “acero inoxidable V2A” se entiende una serie inoxidable del tipo 1.4301 (X5CrNi18-10), que anteriormente tambien llevaba la denominacion de 1.4300 (X12CrNi18-8). En cambio, bajo la expresion “acero inoxidable V4A” se entiende un acero inoxidable que ha sido aleado juntamente con 2% de molibdeno (Mo), lo que hace este acero presente una resistencia aun mayor contra la corrosion debido a los medios que contienen cloro, tales como por ejemplo el agua salada. La designacion general para el acero V4A es: 1.4401 (X5CrNiMo17-12-2).The term "stainless steel V2A" means a stainless series of type 1.4301 (X5CrNi18-10), which previously also bore the designation of 1.4300 (X12CrNi18-8). In contrast, under the expression "stainless steel V4A" means a stainless steel that has been alloyed together with 2% molybdenum (Mo), which makes this steel even more resistant against corrosion due to chlorine-containing media , such as for example salt water. The general designation for V4A steel is: 1.4401 (X5CrNiMo17-12-2).
Para no influir de manera negativa sobre la fabricacion del tejido filtrante con hilos de cadena y de trama entretejidos, de acuerdo con otra proposicion de la invencion se preve implementar el alambre de acero inoxidable con un diametro de 0,02 a 0,30 mm. En especial, un cable de acero inoxidable de este tipo puede presentar un diametro de aproximadamente 0,05 mm. Los alambres de acero sin cable tan finos no impiden la elaboracion de los hilos de cadena y de trama fabricados con un alambre de acero inoxidable de este tipo en vistas a obtener un tejido filtrante; al contrario, proveen la conductividad electrica y la propiedad antiestaticas deseadas.In order not to negatively influence the manufacture of the filter fabric with interwoven chain and weft threads, according to another proposition of the invention it is envisaged to implement the stainless steel wire with a diameter of 0.02 to 0.30 mm. In particular, such a stainless steel cable can have a diameter of approximately 0.05 mm. Such thin wireless steel wires do not prevent the elaboration of chain and weft threads made of such a stainless steel wire in order to obtain a filter cloth; on the contrary, they provide the desired electrical conductivity and antistatic property.
De una manera de por si conocida los hilos de cadena y de trama del tejido filtrante de acuerdo con la invencion pueden implementarse en todos los tipos de vinculacion conocidos.In a manner known per se, the chain and weft threads of the filter fabric according to the invention can be implemented in all known types of bonding.
Las hebras de cadena y de trama del tejido filtrante de acuerdo con la invencion pueden consistir en todos los materiales sinteticos conocidos, tanto en forma de monofilamento como tambien en forma de filo filamentoso o de hilo de fibra hilado. Como ejemplos pueden mencionarse materiales sinteticos fluorpolimericos, tales como poliamidas y poliolefinas, en especial polipropileno, lo que mas abajo tambien se explica con mayor detenimiento con ayuda de ejemplos de realizacion.The strands of chain and weft of the filter fabric according to the invention can consist of all known synthetic materials, both in the form of monofilament and also in the form of filamentous cutting edge or of spunbond yarn. As examples, mention may be made of synthetic fluoropolymeric materials, such as polyamides and polyolefins, especially polypropylene, which is also explained in greater detail below with the help of embodiments.
El tejido filtrante puede estar formado por hilos de cadena consistente en varios hebras torcidas en la una primera direccion de giro con una densidad de hilo de 10 a 120 hilos/cm. Tambien son posibles densidades de hilo de 75 a 150 hilos/cm, cuando los hilos de cadena consisten unicamente en una hebra de cadena torcida y los alambres de acero inoxidable se retuercen solamente en la region de los hilos de trama juntamente con las hebras para los hilos de trama.The filter fabric may be formed by chain threads consisting of several strands twisted in the first direction of rotation with a thread density of 10 to 120 threads / cm. Thread densities of 75 to 150 threads / cm are also possible, when the chain threads consist only of a twisted chain strand and the stainless steel wires are twisted only in the region of the weft threads together with the threads for the threads. weft threads
Los tipos de hilos adecuados para las hebras de cadena y de trama se halla en el intervalo de 0,10 a 1,5 mm de diametro en el caso de las hebras de cadena y de trama y en el caso de los filamentos para las hebras de cadena y de trama, de 150 a 5.000 dtex y en el caso de las hebras de cadena y de trama de Nm 110/1 a Nm 5/1.Suitable thread types for chain and weft threads are in the range of 0.10 to 1.5 mm in diameter in the case of chain and weft threads and in the case of filaments for threads chain and weft, from 150 to 5,000 dtex and in the case of chain and weft threads from Nm 110/1 to Nm 5/1.
Ademas de ello, dentro de los alcances de la invencion se preve retorcer conjuntamente algunos o la totalidad de los hilos de cadena y/o de hilos de trama precedentemente descritos, durante el retorcido a los hilos de cadena o hilos de trama incorporandose al mismo tiempo por lo menos un alambre de acero inoxidable, es decir, por ejemplo para configurar un hilo de cadena, se retuercen varias hebras de cadena torcidas individualmente en la primera direccion giro y el por lo menos un alambre de acero inoxidable conjuntamente en contra de la primera direccion de giro, y/o las hebras de trama como tambien por lo menos un alambre de acero inoxidable se retuercen con el correspondiente numero de giros conjuntamente a los hilos de trama.In addition, within the scope of the invention it is envisaged to twist together some or all of the chain threads and / or weft threads described above, during twisting to the chain threads or weft threads being incorporated at the same time at least one stainless steel wire, that is, for example to configure a chain wire, several individually twisted chain strands are twisted in the first turn direction and the at least one stainless steel wire together against the first direction of rotation, and / or the weft threads as well as at least one stainless steel wire are twisted with the corresponding number of turns together with the weft threads.
Suponiendo que el tejido filtrante fabricado de esta manera ha de ser vinculado de manera electricamente conductora una estructura portante y la estructura portante ha de ser puesta a tierra, se preve, por ejemplo en el lado de los bordes del tejido filtrante un correspondiente engarce electricamente conductor, que contiene una vinculacion electrica con la estructura portante, y a continuacion se pone de manera correspondiente la estructura portante a tierra.Assuming that the filter fabric manufactured in this way has to be electrically conductively linked to a supporting structure and the bearing structure has to be grounded, it is provided, for example, on the side of the filter fabric, a corresponding electrically conductive crimp. , which contains an electrical link with the supporting structure, and then the bearing structure is grounded correspondingly.
En caso de ser necesario, gracias al diametro especialmente fino de los alambres de acero inoxidable previstos de acuerdo con la invencion, de aproximadamente 0,02 a 0,30 mm, por ejemplo de 0,05 mm, durante su fabricacion es posible retorcer conjuntamente algunos o la totalidad de los hilos de cadena y/o trama.If necessary, thanks to the especially fine diameter of the stainless steel wires provided in accordance with the invention, of approximately 0.02 to 0.30 mm, for example 0.05 mm, it is possible to twist together during manufacture some or all of the chain and / or weft threads.
La invencion se explica seguidamente con mayor detenimiento con ayuda de un dibujo representativo de un ejemplo de realizacion. En las Figuras:The invention is explained in greater detail below with the help of a representative drawing of an embodiment example. In the Figures:
la Figura 1 es una representacion esquematizada de un tejido filtrante de acuerdo con la invencion; yFigure 1 is a schematic representation of a filter tissue according to the invention; Y
la Figura 2 representa un hilo de cadena o bien de trama para ser utilizado en el tejido filtrante de acuerdo con la invencion.Figure 2 represents a chain or weft thread to be used in the filter fabric according to the invention.
En la Figura 1 se ha representado en una forma considerablemente simplificada un tejido filtrante que comprende una estructura portante 1, por ejemplo metalica, puesta tierra en una modalidad que no ha sido representada aquf, como tambien un tejido filtrante 2 tendido en la estructura portante 1, en donde el tejido filtrante 2 esta formado por hilos de cadena y de trama, 3, 4, basados en materiales sinteticos polimericos.In Figure 1 a filtering fabric comprising a bearing structure 1, for example metal, grounded in a mode that has not been represented here, as well as a filter fabric 2 lying on the bearing structure 1 has been represented in a considerably simplified form. , wherein the filter fabric 2 is formed by chain and weft threads, 3, 4, based on polymeric synthetic materials.
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Los hilos de cadena y de trama, 3,4 estan tejidos por ejemplo en configuracion Atlas para el tejido filtrante 2, pero el tejido filtrante de acuerdo con la invencion no se limita a este tipo de configuracion. Tambien se tienen en cuenta por ejemplo configuraciones, por ejemplo, de tipo Koper, Koper cruzado, de pantalla o Panama.The chain and weft threads, 3,4 are woven for example in Atlas configuration for filter fabric 2, but the filter fabric according to the invention is not limited to this type of configuration. For example, configurations are also taken into account, for example, Koper, cross Koper, screen or Panama.
Una caracterfstica esencial del tejido filtrante 2 visible en la Figura 1 es que por lo menos algunas de las hebras de cadena y de trama 3,4, presenten preferiblemente en una disposicion regular, una estructura visible en la Figura 2.An essential feature of the filter fabric 2 visible in Figure 1 is that at least some of the chain and weft threads 3,4 preferably have a visible structure in a regular arrangement in Figure 2.
En este caso, los hilos de cadena y de trama 3, 4 estan configurados por varias hebras de cadena 30, en este caso tres hebras de cadena torcidas entre si o bien en el caso de un hilo de trama 4 en forma de correspondientes hebras 40, que en una manera no representada con mayor detenimiento se tuercen inicialmente y de manera individual con por ejemplo 150 vueltas/m en una primera direccion de giro y a continuacion conjuntamente 200 vueltas/m en contra de la primera direccion de giro, es decir en una segunda direccion de giro. Al respecto, ademas de la hebra 30 o de la hebra 40, retorcidas, se halla torcido en cada caso un alambre de acero inoxidable monofilamento electricamente conductor 5 juntamente con las hebras de cadena 30 o bien hebras de trama 40 al hilo de cadena 3 o bien hilo de trama 4, de manera que este aparece a distancias regulares en la superficie de los hilos de cadena 3 un bien de los hilos de trama 4. Los hilos de cadena 3 o bien hilos de trama 4 restantes del material filtrante 2 presentan una estructura identica, en este caso faltan el alambre de acero inoxidable incorporado 5.In this case, the chain and weft threads 3, 4 are configured by several strands of chain 30, in this case three strands of chain twisted together or in the case of a weft thread 4 in the form of corresponding strands 40 , which in a manner not shown in greater detail are initially and individually twisted for example with 150 turns / m in a first direction of rotation and then together 200 turns / m against the first direction of rotation, that is to say in a Second direction of rotation. In this regard, in addition to the twisted strand 30 or strand 40, an electrically conductive monofilament stainless steel wire 5 is twisted in each case together with the chain strands 30 or weft strands 40 to the chain thread 3 or either weft thread 4, so that this appears at regular distances on the surface of the chain threads 3 a good of the weft threads 4. The chain threads 3 or remaining weft threads 4 of the filter material 2 have a Identical structure, in this case the incorporated stainless steel wire 5 is missing.
Por supuesto es tambien posible prever la totalidad de los hilos de cadena y de trama, 3,4 con alambre de acero inoxidable 5.Of course it is also possible to provide all of the chain and weft threads, 3,4 with stainless steel wire 5.
El alambre de acero inoxidable puede estar fabricado por ejemplo de acero inoxidable VA.4 con un diametro de 0,05 mm.The stainless steel wire can be made for example of stainless steel VA.4 with a diameter of 0.05 mm.
Debido a la presencia del alambre de acero 5 en las regiones de superficie de los hilos de cadena y del trama, 3, 4, no se influye de ninguna manera sobre su procesabilidad, es decir, en especial su capacidad de formar un material continuo para tejido filtrante, de lo cual son determinantemente responsables la elevada capacidad de soportar cargas alternadas del alambre de acero inoxidable 5 y su diametro extremadamente fino.Due to the presence of the steel wire 5 in the surface regions of the chain and weft threads, 3, 4, its processability is not influenced in any way, that is, especially its ability to form a continuous material for filter tissue, for which the high capacity to withstand alternating loads of stainless steel wire 5 and its extremely fine diameter are decisively responsible.
Los alambres de acero inoxidable monofilamento incorporados consideren al material del filtro 2 una conductividad electrica extremadamente elevada que permite, en conexion con una estructura portante 1 correspondientemente puesta a tierra y una conexion electricamente conductora entre el material de filtro 2 y la estructura portante 1 desviar directamente las cargas estaticas acumulativas originadas en el material filtrante 2, de manera tal que se contrarresta eficazmente una adherencia de polvo o de cualquier otra partfcula impuesta por la carga electrostatica acumulada, sobre la superficie del material filtrante 2. Dado que ademas de ello, las hebras de cadena y la trama presenta una conexion electrica debido a los alambres de acero inoxidable incorporados que tambien se crucen, se logra una excelente conductividad electrica comparable con la de las placas metalicas, de manera tal que cualquier acumulacion electrostatica se contrarresta efectivamente y es posible una utilizacion de tejidos filtrantes en regiones con peligro de explosion y al utilizarse medios explosivos.The built-in monofilament stainless steel wires consider the material of filter 2 an extremely high electrical conductivity which allows, in connection with a correspondingly grounded supporting structure 1 and an electrically conductive connection between the filter material 2 and the supporting structure 1 directly deflect the cumulative static charges originated in the filtering material 2, such that an adhesion of dust or any other particle imposed by the accumulated electrostatic charge, on the surface of the filtering material 2 is effectively counteracted. In addition, the strands of chain and the weft presents an electrical connection due to the built-in stainless steel wires that also cross, excellent electrical conductivity comparable to that of the metal plates is achieved, so that any electrostatic accumulation is effectively counteracted and a possible t use filter ejidos in regions with danger of explosion and when using explosive media.
El tipo y numero de alambres de acero inoxidable utilizados dentro de un hilo de cadena y/o de un hilo de trama individuales y la eleccion del numero de hilos de cadena y/o de hilos de trama previstos con alambre de acero inoxidable dentro del ambito de la totalidad del tejido filtrante puede ser elegido por el especialista en funcion del caso de aplicacion.The type and number of stainless steel wires used within a chain thread and / or an individual weft wire and the choice of the number of chain wires and / or weft wires provided with stainless steel wire within the scope of the entire filter tissue can be chosen by the specialist depending on the application case.
Ejemplos de realizacion:Examples of realization:
Para la fabricacion de un tejido filtrante para la filtracion de aceite de palma se utilizan hebras de cadena y de trama consistentes en monofilamentos basados en nailon-11 o polipropileno con un diametro de 0,165 mm. En la direccion de cadena se incorporan 110 hebras de cadena/cm y en la direccion de trama se incorporan 42 hebras de trama/centfmetro, utilizandose siempre monofilamentos identicos con un diametro de 0,165 mm. En el caso de las hebras de cadena cada quinta hebra es retorcida con un alambre de acero inoxidable VA-4 con un diametro de 0,05 mm a razon de 150 vueltas/m, mientras que la direccion de trama uno de cada 20 hebras se fabrica a partir de un retorcido tal. El material filtrante obtenido presenta una resistencia de superficie especffica inferior a 103 Q puede fijarse/calandrarse sin problema sobre aproximadamente 20 L y presenta 4.620 poros/cm2.For the manufacture of a filter fabric for the filtration of palm oil, strands of chain and weft consisting of monofilaments based on nylon-11 or polypropylene with a diameter of 0.165 mm are used. In the chain direction 110 strands of chain / cm are incorporated and in the weft direction 42 strands of frame / centimeter are incorporated, always using identical monofilaments with a diameter of 0.165 mm. In the case of chain strands, each fifth strand is twisted with a VA-4 stainless steel wire with a diameter of 0.05 mm at a rate of 150 turns / m, while the weft direction one in 20 threads is manufactures from such a twisted. The filtering material obtained has a specific surface resistance of less than 103 Q that can be fixed / calendered without problems over approximately 20 L and has 4,620 pores / cm2.
Por supuesto, en una variante de este ejemplo de realizacion es posible fabricar tambien cada hebra de cadena y de trama individuales a partir de retorcimientos de este tipo de pP- o Nylon-11 -monofilamento y alambre de acero inoxidable o solamente escalonamiento arbitrarios como por ejemplo uno de cada 10, uno de cada 20, o uno cada 100, o uno de cada 200 hebras. Las demas hebras de cadena y de trama consisten en PP- o Nylon-11-monofilamento puro con un diametro de 0,165 mm. El material filtrante asf producido en su mente flexible y puede termofijarse y calandrarse sin dificultades. Opcionalmente tambien es posible retorcer dos o mas hebras monofilamento con el alambre de acero considerable V4A. Tambien es posible retorcer una hebra del filamento multifilamento o una hebra hilada con un alambre de acero considerable V4A de este e incorporarlo como material electricamente conductor en el mayor continuo del tejido filtrante.Of course, in a variant of this embodiment, it is also possible to manufacture each strand of individual chain and weft from twists of this type of pP- or Nylon-11 -monofilament and stainless steel wire or only arbitrary staggering as per example one in 10, one in 20, or one in 100, or one in 200 threads. The other strands of chain and weft consist of pure PP- or Nylon-11-monofilament with a diameter of 0.165 mm. The filtering material thus produced in your flexible mind and can be heated and calendered without difficulty. Optionally it is also possible to twist two or more monofilament strands with the V4A considerable steel wire. It is also possible to twist a strand of the multifilament filament or a strand spun with a considerable steel wire V4A of this and incorporate it as electrically conductive material in the largest continuum of the filter tissue.
En otra forma de realizacion, para la finalidad prevista de la filtracion de gas caliente se fabrico un tejido de apoyo a partir de un tejido filtrante de acuerdo con la invencion, estando los hilos cadena y de trama formados en base a PTFE, y habiendoselos retorcido junto en el alambre de acero inoxidable ya mencionado. Sobre este material tejido, fabricado de manera de acuerdo con la invencion, que sirvio como tejido de apoyo o scrim, se cosio con aguja un copo de PTFE 5 o de PPS, de manera tal que se obtuvo un fieltro de aguja con una excelente conductividad electrica con costos de fabricacion sumamente reducidos y se presento una conductividad electrica o bien propiedades antiestaticas, excelentes.In another embodiment, for the intended purpose of the hot gas filtration a support fabric was manufactured from a filter fabric according to the invention, the chain and weft threads being formed based on PTFE, and having twisted them together in the stainless steel wire already mentioned. On this woven material, manufactured in accordance with the invention, which served as a support fabric or scrim, a PTFE 5 or PPS flake was sewn with a needle, so that a needle felt with excellent conductivity was obtained electrical with extremely low manufacturing costs and an electrical conductivity or antistatic properties, excellent.
Claims (11)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2014/050889 WO2015106819A1 (en) | 2014-01-17 | 2014-01-17 | Shading device |
| WOPCT/EP2014/050889 | 2014-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2621109T3 true ES2621109T3 (en) | 2017-07-03 |
Family
ID=50073148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES15151612.7T Active ES2621109T3 (en) | 2014-01-17 | 2015-01-19 | Filter fabric |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3094769A1 (en) |
| ES (1) | ES2621109T3 (en) |
| WO (1) | WO2015106819A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364156B (en) * | 2020-03-24 | 2022-09-06 | 深圳市启菂汇嘉科技有限公司 | Double-helix conductive textile, pressure sensor and pressure sensor manufacturing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050288775A1 (en) * | 2004-06-24 | 2005-12-29 | Scimed Life Systems, Inc. | Metallic fibers reinforced textile prosthesis |
| DE202006008868U1 (en) | 2006-06-06 | 2006-08-03 | Sefar Ag | Woven fabric made from polytetrafluoroethylene yarn and having at least twice as many warp threads as weft threads, used for textile structures and coverings, e.g. screens, awnings and tents |
| WO2009000340A1 (en) | 2007-06-26 | 2008-12-31 | Klaus Bloch | Fabric, in particular for shading purposes |
| FR2919620B1 (en) * | 2007-07-31 | 2012-12-07 | Ferrari S Tissage & Enduct Sa | ARCHITECTURAL TEXTILE AND METHOD FOR IMPLEMENTING SUCH AN ARCHITECTURAL TEXTILE |
| DE202012103389U1 (en) | 2011-12-20 | 2012-11-09 | Klaus Bloch | Tissue for shading purposes |
-
2014
- 2014-01-17 EP EP14703782.4A patent/EP3094769A1/en not_active Withdrawn
- 2014-01-17 WO PCT/EP2014/050889 patent/WO2015106819A1/en active Application Filing
-
2015
- 2015-01-19 ES ES15151612.7T patent/ES2621109T3/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3094769A1 (en) | 2016-11-23 |
| WO2015106819A1 (en) | 2015-07-23 |
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