DE649232C - Process for the production of cylindrical gap filter bodies for liquids or gases - Google Patents

Process for the production of cylindrical gap filter bodies for liquids or gases

Info

Publication number
DE649232C
DE649232C DEL87282D DEL0087282D DE649232C DE 649232 C DE649232 C DE 649232C DE L87282 D DEL87282 D DE L87282D DE L0087282 D DEL0087282 D DE L0087282D DE 649232 C DE649232 C DE 649232C
Authority
DE
Germany
Prior art keywords
wire
liquids
gases
production
filter bodies
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.)
Expired
Application number
DEL87282D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
Publication date
Priority to DEL87282D priority Critical patent/DE649232C/en
Application granted granted Critical
Publication of DE649232C publication Critical patent/DE649232C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/48—Edge filtering elements, i.e. using contiguous impervious surfaces of spirally or helically wound bodies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)

Description

Verfahren zur Herstellung von zylindrischen Spaltfilterkörpern für Flüssigkeiten oder Gase Die Erfindung betrifft ein Verfahren zur Herstellung von zylindrischen Spaltfilterkörpern für Fiiissigkeiten oder Gase durch schraubenförmiges Aufwickeln eines Vierkantdrahtes auf einen Dorn. Die Erfindung ist dadurch gekennzeichnet, daß ein Draht mit im Querschnitt gleichschenkliger Trapezform derart verwendet wird. daß beim Verformen des Drahtes durch Aufwickeln desselben über seine den Dorn berührenden in dem rrapezquerschnitt der Basis gegenüberliegende Schmalseite jeweils die beiden anderen. Begrenzungsflächen benachbarter Fil terspalte bildenden Seitenilächen des aufgewickelten Vierkantdrahtes in allen Windungen paralle zueinander liegen.Process for the production of cylindrical edge filter bodies for Liquids or gases The invention relates to a method for producing cylindrical gap filter bodies for liquids or gases through helical Winding a square wire on a mandrel. The invention is characterized in that that a wire with isosceles trapezoidal shape in cross section is used in this way. that when the wire is deformed by winding it over its contacting the mandrel in the narrow side opposite the base, the two in each case others. Boundary surfaces of adjacent filter column forming side surfaces of the wound square wire are parallel to each other in all turns.

Es sind bereits Spaltfilterkörper bekannt, bei welchen der Draht des schraubenförmigen Spaltfilterkörpers einen rechteckigen Querschnitt hat. Solche Spaltfilterkörper haben aber den Nachteil, daß sie beim Wickeln unter Verwendung des üblichen Dorns sich derart verformen, daß die benachbarten Filterspalte nach außen klaffen. Dadurch entsteht der Nachteil, daß Fremdkörper sich in dem klafienden Spalt verkeilen und das Filter verstopfen. There are already slot filter bodies known in which the wire of the helical gap filter body has a rectangular cross section. Such However, gap filter bodies have the disadvantage that they are used when winding of the usual mandrel deform in such a way that the adjacent filter gaps after gape outside. This creates the disadvantage that foreign bodies are in the gaping one Wedge the gap and clog the filter.

Bei einem Spaltfilter nach der Erfindung kam dieser Nachteil nicht eintreten, weil die gegenüberliegenden Seitenflächen des Filterspaltes an allen Stellen parallel verlaufen. This disadvantage did not arise in a slotted filter according to the invention occur because the opposite side surfaces of the filter gap at all Places run parallel.

Die Erfindung hat daher einen wesentliche Fortschritt gegenüber den bekannten Filtervorrichtungen mit einem Filterspalt, der durch schraubenförmiges Aufwickeln eines qudratischen oder rechteckigen Profildrahtes gebildet ist.The invention therefore has a substantial advance over the known filter devices with a filter gap which is formed by helical Winding a square or rectangular profile wire is formed.

In der Zeichnung ist ein Ausführungsbeispiel des Erfindungsgegenstandes dargestellt. The drawing shows an exemplary embodiment of the subject matter of the invention shown.

Der Dorn. über den der trapezförmige Draht gewickelt wird, ist mit a bezeichnet. Eine Windung des Drahtes å ist im Querschnitt dargestellt. Die äußere Querschnittsseite des vor dem Aufwickeln trapezförmigen Drahtes a ist, wie strichpunktiert gezeichnet, beispielsweise 4 mm lang, während die innere Querschnittsseite e eine Länge von 3,8 mm aufweist. Während des Wickelns staucht sich die innere Seite e, während die äußere Seite sich verkürzt, so daß ein rechteckiger oder quadratischer Querschnitt mit einer in axialer Richtung überall gleichen Höhe von 3,9 mm entsteht. Die Seitenflächen g und f des Drahtes b verlaufen durch diese Bemessung parallel zu den benachbarten Seitenflächen, so daß Filterspalte von genau gleicher Breite entstehen. In den Seitenflächen f und g können Nuten c vorgesehen sein, durch die feineren Feststoffteilchen aus der zu filtrierenden Flüssigkeit, die durch die äußere Spaltöffnung gelangt sind, nochmals Gelegenheit zur Ablagerung gegeben ist.The thorn. over which the trapezoidal wire is wound is with a denotes. One turn of the wire å is shown in cross section. The outer Cross-sectional side of the trapezoidal wire a before winding is as dashed-dotted line drawn, for example 4 mm long, while the inner cross-sectional side e a Has a length of 3.8 mm. During winding, the inner side e compresses, while the outer side shortens, making a rectangular or square one Cross-section is created with a height of 3.9 mm which is the same everywhere in the axial direction. The side surfaces g and f of the wire b run parallel due to this dimensioning to the adjacent side surfaces, so that filter gaps of exactly the same width develop. In the side surfaces f and g grooves c can be provided through the finer solid particles from the liquid to be filtered that pass through the outer Gap opening have been reached, there is another opportunity to deposit.

Claims (1)

PATENTANSPRUCH : Verfahren zur Herstellung von zylindrischen Spaltfilterkörpern für F5lüssigkeiten oder Gase durch schraubenförmiges Aufwickeln eines Vierkantdrahtes auf einen Dorn, gekennzeichnet durch eine derartige Verwendung eines im Querschnitt gleich -schenkligen trapezförmigen Drahtes (b), daß beim Verformen des Drahtes durch Aufwickeln desselben über seine den Dorn (a) berührende. in dem Trapezquerschnitt der Basis gegenüberliegende Schmalseite (e) jeweils die beiden anderen, Begrenzungsflächen benachbarter Filterspalte bildenden Seitenflächen (f, g) des aufgewikkelten Vierkantdrahtes in allen Windungen parallel zueinander liegen. PATENT CLAIM: Process for the production of cylindrical gap filter bodies for liquids or gases by means of a helical winding of a square wire on a mandrel, characterized by such a use of one in cross section equal-limb trapezoidal wire (b) that when deforming the wire through Winding the same over its the mandrel (a) touching. in the trapezoidal cross-section the narrow side (e) opposite the base in each case the other two, boundary surfaces Adjacent filter gaps forming side surfaces (f, g) of the wound square wire lie parallel to each other in all turns.
DEL87282D Process for the production of cylindrical gap filter bodies for liquids or gases Expired DE649232C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL87282D DE649232C (en) Process for the production of cylindrical gap filter bodies for liquids or gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL87282D DE649232C (en) Process for the production of cylindrical gap filter bodies for liquids or gases

Publications (1)

Publication Number Publication Date
DE649232C true DE649232C (en) 1937-08-19

Family

ID=7286282

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL87282D Expired DE649232C (en) Process for the production of cylindrical gap filter bodies for liquids or gases

Country Status (1)

Country Link
DE (1) DE649232C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213941A2 (en) * 1985-08-31 1987-03-11 Parkman Group Professional Services Limited Improvements relating to filters and valves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213941A2 (en) * 1985-08-31 1987-03-11 Parkman Group Professional Services Limited Improvements relating to filters and valves
EP0213941A3 (en) * 1985-08-31 1988-11-23 Parkman Group Professional Services Limited Improvements relating to filters and valves

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