FR2482868A1 - FIBER-BASED FILTER MEDIUM AND PROCESS FOR PREPARING THE SAME - Google Patents

FIBER-BASED FILTER MEDIUM AND PROCESS FOR PREPARING THE SAME Download PDF

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Publication number
FR2482868A1
FR2482868A1 FR8011419A FR8011419A FR2482868A1 FR 2482868 A1 FR2482868 A1 FR 2482868A1 FR 8011419 A FR8011419 A FR 8011419A FR 8011419 A FR8011419 A FR 8011419A FR 2482868 A1 FR2482868 A1 FR 2482868A1
Authority
FR
France
Prior art keywords
fibers
filter medium
medium according
binder
mattress
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.)
Granted
Application number
FR8011419A
Other languages
French (fr)
Other versions
FR2482868B1 (en
Inventor
Jean Pariset
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.)
Safran Filtration Systems SAS
Original Assignee
Sofrance SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sofrance SAS filed Critical Sofrance SAS
Priority to FR8011419A priority Critical patent/FR2482868A1/en
Priority to DE19813117922 priority patent/DE3117922A1/en
Priority to IT21615/81A priority patent/IT1137576B/en
Priority to JP7790781A priority patent/JPS5710312A/en
Priority to GB8115889A priority patent/GB2078807A/en
Publication of FR2482868A1 publication Critical patent/FR2482868A1/en
Application granted granted Critical
Publication of FR2482868B1 publication Critical patent/FR2482868B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B01D39/2024—Glass or glassy material the material being filamentary or fibrous otherwise bonded, e.g. by resins
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper

Abstract

L'INVENTION CONCERNE UN MILIEU FILTRANT A BASE DE FIBRES SYNTHETIQUES OU MINERALES. LES FIBRES CONSTITUENT UN MATELAS OU ELLES SONT DISPOSEES A PLAT, EN PLUSIEURS EPAISSEURS, ET TENUES PAR UN LIANT. L'INVENTION S'APPLIQUE A LA FILTRATION DE TOUS FLUIDES, ET NOTAMMENT DE L'EAU ET DES HYDROCARBURES, POUR EN ELIMINER LES IMPURETES SOLIDES OU LIQUIDES.THE INVENTION CONCERNS A FILTERING MEDIUM BASED ON SYNTHETIC OR MINERAL FIBERS. THE FIBERS CONSTITUTE A MATTRESS OR THEY ARE ARRANGED FLAT, IN SEVERAL THICKNESSES, AND HELD BY A BINDER. THE INVENTION APPLIES TO THE FILTRATION OF ALL FLUIDS, AND IN PARTICULAR WATER AND HYDROCARBONS, TO REMOVE SOLID OR LIQUID IMPURITIES.

Description

i 2482868 L'invention concerne un milieu filtrant à base de fibresThe invention relates to a filter medium based on fibers

et un procédé pour le préparer.and a process for preparing it.

Le but de l'invention est d'obtenir-un milieu filtrant dans lequel les fibres assurent la filtration sans réaliser, entre l'entrée et la sortie du milieu, des passages susceptibles  The object of the invention is to obtain a filter medium in which the fibers provide the filtration without producing, between the inlet and the outlet of the medium, passages likely to

de laisser passer les impuretés à filtrer.  let the impurities to filter through.

Le milieu filtrant de l'invention est caractérisé en ce que les fibres constituent un matelas o elles sont disposées  The filtering medium of the invention is characterized in that the fibers constitute a mattress where they are arranged

à plat, en plusieurs épaisseurs, et tenues par un liant.  flat, in several thicknesses, and held by a binder.

Dans la technique antérieure, les fibres étaient tenues par enchevêtrement des fibres dans toutes les directions de l'espace. De préférence, les fibres constituent des plans superposés tenus par le liant, qui tient également les fibres dans chaque  In the prior art, the fibers were held by entangling fibers in all directions of space. Preferably, the fibers are superposed planes held by the binder, which also holds the fibers in each

plan.plan.

Les fibres, synthétiques ou minérales, sont par exemple des fibres de polyamides, de polyesters, de polyacrylonitrile, de verre,de carbone. Le liant est de préférence une résine durcissable, notamment une résine polymérisable, par exemple une résine époxy, polyester ou à base de polyamides. Ces exemples ne  The fibers, synthetic or mineral, are for example fibers of polyamides, polyesters, polyacrylonitrile, glass, carbon. The binder is preferably a curable resin, especially a polymerizable resin, for example an epoxy resin, polyester or polyamide based. These examples

sont pas limitatifs.are not limiting.

Dans un exemple typique, les fibres sont des fibres de verre d'une épaisseur de quelques dizaines de microns, par exemple de l'ordre de 40 microns, et la résine est une résine de  In a typical example, the fibers are glass fibers with a thickness of a few tens of microns, for example of the order of 40 microns, and the resin is a resin of

silicone.silicone.

Les fibres ont, de préférence, en majeure partie, une  The fibers preferably have, for the most part, a

longueur inférieure à 5 mm.length less than 5 mm.

De préférence, la résine,qui enrobe plus ou moins les fibres, constitue sur le matelas un film d'épaisseur moyenne  Preferably, the resin, which more or less coats the fibers, constitutes on the mattress a film of medium thickness

inférieure à deux microns.less than two microns.

De préférence, le matelas a une épaisseur de 1 à 3 mm.  Preferably, the mattress has a thickness of 1 to 3 mm.

Un procédé pour préparer un tel milieu filtrant, comporte, selon l'invention, la dispersion et la sédimentation desfibres  A process for preparing such a filter medium comprises, according to the invention, the dispersion and the sedimentation of the fibers

dans une solution de façon homogène.  in a homogeneous solution.

Le produit obtenu, de préférence après calendrage et séchage, est immergé dans une solution de résine. Après  The product obtained, preferably after calendering and drying, is immersed in a resin solution. After

polymérisation de la résine, on obtient le milieu filtrant.  polymerization of the resin, the filter medium is obtained.

Le matelas est utilisé sous une configuration plane ou courbe.  The mattress is used in a flat or curved configuration.

2 24828682 2482868

Le milieu filtrant de l'invention est destiné en particulier à la filtration de fluides dans des gammes de températures pouvant atteindre 1800C1 en particulier à la filtration de l'eau et des hydrocarbures pour en éliminer les impuretés solides ou liquides(en favorisant dans ce cas des  The filtering medium of the invention is intended in particular for the filtration of fluids in temperature ranges up to 1800C1, in particular for the filtration of water and hydrocarbons in order to eliminate solid or liquid impurities (by promoting in this case of the

phénomènes de coalescence).coalescence phenomena).

3 24828683 2482868

Claims (9)

REVENDICATIONS 1. Milieu filtrant à base de fibres synthétiques ou minérales caractérisé en ce que les fibres constituent un matelas o elles sont disposées à plat, en plusieurs épaisseurs, et tenues par un liant.  1. Filtering medium based on synthetic or mineral fibers characterized in that the fibers are a mattress o they are arranged flat, in several thicknesses, and held by a binder. 2. Milieu filtrant selon la revendication 1, caractérisé en ce que les fibres constituent des plans superposés tenus par le liant.2. Filter medium according to claim 1, characterized in that the fibers are superposed planes held by the binder. 3. Milieu filtrant selon la revendication 1 ou 2, caractérisé en ce que les fibres ont en majorité une longueur inférieure à3. Filtration medium according to claim 1 or 2, characterized in that the fibers have a majority of less than 5 mm.5 mm. 4. Milieu filtrant selon l'une des revendications i à 3,  4. Filter medium according to one of claims i to 3, caractérisé en ce que le matelas a une épaisseur de 1 à 3 mm.  characterized in that the mattress has a thickness of 1 to 3 mm. 5. Milieu filtrant selon l'une des revendications 1 à 4,  Filter medium according to one of Claims 1 to 4, caractérisé en ce que le liant constitue sur le matelas un  characterized in that the binder constitutes on the mattress a film d'épaisseur moyenne inférieure à 2 microns.  film of average thickness less than 2 microns. 6. Milieu filtrant selon l'une des revendications 1 à 5,  Filter medium according to one of Claims 1 to 5, caractérisé en ce que le liant est une résine durcissable.  characterized in that the binder is a curable resin. 7. Milieu filtrant selon l'une des revendications 1 à 6,  7. Filter medium according to one of claims 1 to 6, caractérisé en ce que les fibres sont des fibres de verre et le  characterized in that the fibers are glass fibers and the liant est une résine de silicone.binder is a silicone resin. 8. Procédé pour préparer un milieu filtrant selon l'une des  8. Process for preparing a filter medium according to one of revendications 1 à 7, caractérisé en ce qu'il comporte la  Claims 1 to 7, characterized in that it comprises the dispersion et la sédimentation des fibres dans une solution, de  dispersion and sedimentation of the fibers in a solution, façon homogène.homogeneous way. 9. Procédé selon la revendication 8, caractérisé en ce qu'il comporte le calendrage et le séchage du produit obtenu après sédimentation, son immersion dans une solution de résine et la  9. A method according to claim 8, characterized in that it comprises the calendering and drying of the product obtained after sedimentation, its immersion in a resin solution and the polymérisation de la résine.polymerization of the resin.
FR8011419A 1980-05-22 1980-05-22 FIBER-BASED FILTER MEDIUM AND PROCESS FOR PREPARING THE SAME Granted FR2482868A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8011419A FR2482868A1 (en) 1980-05-22 1980-05-22 FIBER-BASED FILTER MEDIUM AND PROCESS FOR PREPARING THE SAME
DE19813117922 DE3117922A1 (en) 1980-05-22 1981-05-06 FILTER AGENTS AND METHOD FOR THE PRODUCTION THEREOF
IT21615/81A IT1137576B (en) 1980-05-22 1981-05-11 FILTERING MEDIA AND PROCEDURE FOR ITS MANUFACTURE
JP7790781A JPS5710312A (en) 1980-05-22 1981-05-22 Filter medium and its manufacture
GB8115889A GB2078807A (en) 1980-05-22 1981-05-22 Filtering Medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8011419A FR2482868A1 (en) 1980-05-22 1980-05-22 FIBER-BASED FILTER MEDIUM AND PROCESS FOR PREPARING THE SAME

Publications (2)

Publication Number Publication Date
FR2482868A1 true FR2482868A1 (en) 1981-11-27
FR2482868B1 FR2482868B1 (en) 1985-02-15

Family

ID=9242227

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011419A Granted FR2482868A1 (en) 1980-05-22 1980-05-22 FIBER-BASED FILTER MEDIUM AND PROCESS FOR PREPARING THE SAME

Country Status (5)

Country Link
JP (1) JPS5710312A (en)
DE (1) DE3117922A1 (en)
FR (1) FR2482868A1 (en)
GB (1) GB2078807A (en)
IT (1) IT1137576B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9306923U1 (en) * 1993-05-07 1994-01-13 Ingenieur Consult Tech Gesamtp Filters for ventilation pipes of drainage systems
US6155432A (en) 1999-02-05 2000-12-05 Hitco Carbon Composites, Inc. High performance filters based on inorganic fibers and inorganic fiber whiskers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797163A (en) * 1952-11-22 1957-06-25 Walter J Smith Method of making filter media
FR1602741A (en) * 1968-12-30 1971-01-18 Non-woven filter material for dust extrac- - tion consists of lightly-needled continuous
JPS594169B2 (en) * 1975-12-23 1984-01-28 株式会社デンソー Lokazainoseizouhouhou
GB1544822A (en) * 1976-03-26 1979-04-25 Process Scient Innovations Filter elements for gas or liquid and methods of making such elements
GR60807B (en) * 1976-04-05 1978-08-30 Process Scient Innovation Ltd Improvements in or relating to filters for liquids or gases
US4070519A (en) * 1976-04-27 1978-01-24 Huyck Corporation High temperature filter fabrics
JPS5547929A (en) * 1978-09-29 1980-04-05 Akebono Brake Ind Co Ltd Parking indicator lamp circuit
JPS5621620A (en) * 1979-07-31 1981-02-28 Yoshimi Oshitari Heat-resistant gas filter paper

Also Published As

Publication number Publication date
JPS5710312A (en) 1982-01-19
IT8121615A0 (en) 1981-05-11
FR2482868B1 (en) 1985-02-15
DE3117922A1 (en) 1982-05-13
IT8121615A1 (en) 1982-11-11
GB2078807A (en) 1982-01-13
IT1137576B (en) 1986-09-10

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