EP0339278A2 - Fire-resistant cover - Google Patents

Fire-resistant cover Download PDF

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Publication number
EP0339278A2
EP0339278A2 EP89105515A EP89105515A EP0339278A2 EP 0339278 A2 EP0339278 A2 EP 0339278A2 EP 89105515 A EP89105515 A EP 89105515A EP 89105515 A EP89105515 A EP 89105515A EP 0339278 A2 EP0339278 A2 EP 0339278A2
Authority
EP
European Patent Office
Prior art keywords
box
fire
bulk material
cover according
cover
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
EP89105515A
Other languages
German (de)
French (fr)
Other versions
EP0339278A3 (en
EP0339278B1 (en
Inventor
Erhard Deppner
Hans Volmer
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.)
Vereinigte Elektrizitatswerke Westfalen AG
Original Assignee
Vereinigte Elektrizitatswerke Westfalen AG
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 Vereinigte Elektrizitatswerke Westfalen AG filed Critical Vereinigte Elektrizitatswerke Westfalen AG
Priority to AT89105515T priority Critical patent/ATE83734T1/en
Publication of EP0339278A2 publication Critical patent/EP0339278A2/en
Publication of EP0339278A3 publication Critical patent/EP0339278A3/en
Application granted granted Critical
Publication of EP0339278B1 publication Critical patent/EP0339278B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features

Definitions

  • the invention relates to a fire-resistant cover, in particular for collecting basins made of rigid plates with breakthroughs and a layer consisting of a bulk material with low thermal conductivity.
  • the foundations of parts of the plant which contain combustible and toxic liquids are generally surrounded by a ring system of channel-shaped collecting basins in order to catch the escaping liquid in the event of a leak and to prevent damage to the environment. So the foundations of large transformers are generally surrounded by such catch basins, because large transformers contain up to 40 m3 the insulation of the live conductors and to dissipate the heat generated by heat dissipating transformer oil, which must never get into the ground.
  • the invention is therefore based on the object of providing a cover which, on the one hand, reliably protects the accumulated liquid against ignition without hindering the outflow of the liquid, and on the other hand can be removed without great effort.
  • a cover of the type mentioned according to the invention consists of individual cover elements from a breakthrough, rigid plate, in particular a grate, with a liquid-permeable, preferably box-shaped base with a filling of a bulk material with low thermal conductivity.
  • the box-shaped substructure can be made from perforated sheet metal and welded to a grating.
  • the filling of the The box advantageously consists of foam glass granulate, which is characterized by low thermal conductivity and a comparatively low specific weight.
  • the low specific weight of the foam glass granulate has the advantage compared to gravel that the weight of the individual cover elements is low and their handling is thereby improved.
  • Such a foam glass is e.g. distributed by Deutsche Pittburgh Corning GmbH under the trademark "Foamglas”.
  • the box-shaped substructure can be provided on one side, for example a narrow side, with a detachable tab, which facilitates the filling of the box with the granulate.
  • the box-shaped substructure consists of a drawer that can be moved in two guides arranged under the grating.
  • a grating 1 lies with its support surfaces 2 in the frame 3 of a collecting basin 4.
  • Under the grating 1 there is a box-shaped one made of perforated sheet metal Substructure 5, which contains a loose bed of foam glass granulate 6.
  • On one side of the base 5 there is a detachable tab 7, which closes a filling opening for the foam glass granulate.
  • the leak oil flows through the grate 1, the foam glass granules 6 and the perforated plate 5 into the catch basin 4, where it collects.
  • the cover element can simply be lifted up in the direction of arrow 11.
  • two guides 9 are arranged under the grating 1, which accommodate a drawer 10 made of perforated plate, which can be easily filled with the foam glass granulate 6 in the pulled-out state.
  • the cover according to the invention combines the advantage of good fire resistance with the advantage of easy disassembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Building Environments (AREA)
  • Casings For Electric Apparatus (AREA)
  • Insulated Conductors (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The fire-resistant cover, in particular for collection basins (4), consists of individual elements, composed of a non-flexible panel (1), having perforations, and a box-shaped substructure (5) which receives a bulk material (6) with low temperature conductivity. <IMAGE>

Description

Die Erfindung betrifft eine feuerbeständige Abdeckung ins­besondere für Auffangbecken aus biegesteifen, Durchbrüche aufweisenden Platten und einer aus einem Schüttgut mit geringer Temperaturleitfähigkeit bestehenden Schicht.The invention relates to a fire-resistant cover, in particular for collecting basins made of rigid plates with breakthroughs and a layer consisting of a bulk material with low thermal conductivity.

In der chemischen Industrie und der Energiewirtschaft sind die Fundamente von Anlagenteilen, die brennbare und giftige Flüssigkeiten enthalten, im allgemeinen mit einem Ringsy­stem kanalförmiger Auffangbecken umgeben, um im Falle eines Lecks die austretende Flüssigkeit aufzufangen und eine Schä­digung der Umwelt zu verhindern. So sind die Fundamente von Großtransformatoren im allgemeinen mit solchen Auffang­becken umgeben, da Großtransformatoren bis zu 40 m³ der Isolation der spannungsführenden Leiter und zum Abführen der durch Verlustleistung erzeugten Wärme dienendes Trans­formatorenöl enthalten, das auf keinen Fall in den Boden gelangen darf.In the chemical industry and the energy industry, the foundations of parts of the plant which contain combustible and toxic liquids are generally surrounded by a ring system of channel-shaped collecting basins in order to catch the escaping liquid in the event of a leak and to prevent damage to the environment. So the foundations of large transformers are generally surrounded by such catch basins, because large transformers contain up to 40 m³ the insulation of the live conductors and to dissipate the heat generated by heat dissipating transformer oil, which must never get into the ground.

Im Falle eines Lecks besteht bei Großtransformatoren auf­grund der hohen umgesetzten Leistung zusätzlich die Ge­fahr eines Brandes. Um im Falle eines Brandes ein Entzünden des im Auffangbecken gesammelten Öls zu vermeiden, sind die Becken mit Durchbrüche aufweisenden Platten, insbesondere mit Gitterrosten, abgedeckt und diese mit einer etwa 20 cm dicken Kies- oder Schotterschicht belegt. Die Keisschicht läßt das Lecköl durchsickern, verhindert aber durch ihre schlechte Temperaturleitfähigkeit, daß die Temperatur des im Becken angesammelten Öls über den Flammpunkt steigt. Brennendes Öl wird zudem beim Durchfließen der Schicht gelöscht.In the event of a leak, large transformers are also at risk of fire due to the high output. To prevent the oil collected in the catch basin from igniting in the event of a fire, these are Basins covered with breakthrough plates, in particular with gratings, and covered with an approximately 20 cm thick layer of gravel or gravel. The keis layer allows the leakage oil to seep through, but its poor thermal conductivity prevents the temperature of the oil accumulated in the basin from rising above the flash point. Burning oil is also extinguished as it flows through the layer.

Diesen Abdeckungen haftet der Nachteil an, daß bei Kon­troll- oder Instandsetzungsarbeiten an den Auffangbecken oder den Fundamenten die lose Kies- oder Schotterschicht jeweils per Schaufel abgetragen und danach wieder aufge­bracht werden muß. Dies ist sehr zeit- und damit lohn­intensiv und bedingt häufig eine Verlängerung der Still­standszeiten.These covers have the disadvantage that during inspection or repair work on the catch basin or the foundations, the loose layer of gravel or crushed stone must be removed by a shovel and then reapplied. This is very time-consuming and therefore wage-intensive and often requires an increase in downtimes.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Ab­deckung zu schaffen, die einerseits die angesammelte Flüs­sigkeit zuverlässig gegen Entzündung schützt, ohne das Ab­fließen der Flüssigkeit zu behindern, und sich andererseits ohne größeren Aufwand entfernen läßt.The invention is therefore based on the object of providing a cover which, on the one hand, reliably protects the accumulated liquid against ignition without hindering the outflow of the liquid, and on the other hand can be removed without great effort.

Die Lösung dieser Aufgabe besteht darin, daß eine Abdeckung der eingangs erwähnten Art erfindungsgemäß aus einzelnen Abdeckelementen aus einer Durchbrüche aufweisenden, biege­steifen Platte, insbesondere einem Gitterrost, mit einem flüssigkeitsdurchlässigen, vorzugsweise kastenförmigen Un­terbau mit einer Füllung aus einem Schüttgut mit geringer Temperaturleitfähigkeit besteht.The solution to this problem is that a cover of the type mentioned according to the invention consists of individual cover elements from a breakthrough, rigid plate, in particular a grate, with a liquid-permeable, preferably box-shaped base with a filling of a bulk material with low thermal conductivity.

Der kastenförmige Unterbau kann aus Lochblech gefertigt und mit einem Gitterrost verschweißt sein. Die Füllung des Kastens besteht vorteilhafterweise aus Schaumglasgranulat, das sich durch geringe Temperaturleitfähigkeit bei einem gleichzeitig vergleichsweise niedrigen spezifischen Gewicht auszeichnet. Das niedrige spezifische Gewicht des Schaum­glas-Granulats bietet im Vergleich zu Kies den Vorteil, daß das Gewicht der einzelnen Abdeckelemente gering ist und deren handhabbarkeit dadurch verbessert wird.The box-shaped substructure can be made from perforated sheet metal and welded to a grating. The filling of the The box advantageously consists of foam glass granulate, which is characterized by low thermal conductivity and a comparatively low specific weight. The low specific weight of the foam glass granulate has the advantage compared to gravel that the weight of the individual cover elements is low and their handling is thereby improved.

Ein solches Schaumglas wird z.B. von der Firma Deutsche Pittburgh Corning GmbH unter dem Warenzeichen "Foamglas" vertrieben.Such a foam glass is e.g. distributed by Deutsche Pittburgh Corning GmbH under the trademark "Foamglas".

Der kastenförmige Unterbau kann an einer Seite, etwa einer Schmalseite, mit einer lösbaren Lasche versehen sein, die das Befüllen des Kastens mit dem Granulat erleichtert. Bei einer anderen Ausführung besteht der kastenförmige Unterbau aus einer Schublade, die sich in zwei unter dem Gitterrost angeordneten Führungen verschieben läßt.The box-shaped substructure can be provided on one side, for example a narrow side, with a detachable tab, which facilitates the filling of the box with the granulate. In another version, the box-shaped substructure consists of a drawer that can be moved in two guides arranged under the grating.

Die Erfindung wird nachfolgend anhand eines in der Zeich­nung dargestellten Ausführungsbeispiels des näheren erläu­tert. In der Zeichnung zeigen:

  • Fig. 1 eine perspektivische Darstellung eines Auffang­beckens mit aufliegendem Abdeckelement, teilweise im Schnitt, und
  • Fig. 2 eine perspektivische Darstellung eines anderen Ab­deckelements.
The invention is explained below with reference to an embodiment shown in the drawing. The drawing shows:
  • Fig. 1 is a perspective view of a catch basin with a covering element, partly in section, and
  • Fig. 2 is a perspective view of another cover element.

Ein Gitterrost 1 liegt mit seinen Auflageflächen 2 im Rahmen 3 eines Auffangbeckens 4 auf. Unter dem Gitterrost 1 befindet sich ein aus Lochblech bestehender kastenförmiger Unterbau 5, der eine lose Schüttung aus Schaumglas-Granulat 6 enthält. An einer Seite des Unterbaus 5 befindet sich eine lösbare Lasche 7, die eine Einfüllöffnung für das Schaumglas-Granulat verschließt. Das Lecköl fließt durch das Gitterrost 1, das Schaumglas-Granulat 6 und das Loch­blech 5 in das Auffangbecken 4, wo es sich sammelt. Für Wartungs- oder Instandsetzungsarbeiten läßt sich das Abdeck­element einfach nach oben in Richtung des Pfeiles 11 aushe­ben.A grating 1 lies with its support surfaces 2 in the frame 3 of a collecting basin 4. Under the grating 1 there is a box-shaped one made of perforated sheet metal Substructure 5, which contains a loose bed of foam glass granulate 6. On one side of the base 5 there is a detachable tab 7, which closes a filling opening for the foam glass granulate. The leak oil flows through the grate 1, the foam glass granules 6 and the perforated plate 5 into the catch basin 4, where it collects. For maintenance or repair work, the cover element can simply be lifted up in the direction of arrow 11.

Bei der in Fig. 2 dargestellten Ausführung des Abdeckele­ments sind unter dem Gitterrost 1 zwei Führungen 9 ange­ordnet, die eine aus Lochblech bestehende Schublade 10 auf­nehmen, die sich im herausgezogenen Zustand ohne weiteres mit dem Schaumglas-Granulat 6 befüllen läßt.In the embodiment of the cover element shown in FIG. 2, two guides 9 are arranged under the grating 1, which accommodate a drawer 10 made of perforated plate, which can be easily filled with the foam glass granulate 6 in the pulled-out state.

Die erfindungsgemäße Abdeckung verbindet den Vorteil einer guten Feuerbeständigkeit mit dem Vorteil einer leichten Demontage.The cover according to the invention combines the advantage of good fire resistance with the advantage of easy disassembly.

Claims (5)

1. Feuerbeständige Abdeckung insbesondere für Auffang­becken aus biegesteifen, Durchbrüche aufweisenden Plat­ten und einer aus einem Schüttgut mit geringer Tempera­turleitfähigkeit bestehenden Schicht, gekennzeichnet durch einzelne, aus der Platte (1) und einem kastenför­migen, flüssigkeitsdurchlässigen, das Schüttgut (6) aufnehmenden Unterbau (5) bestehende Elemente.1. Fire-resistant cover, in particular for collecting basins made of rigid plates with breakthroughs and a layer consisting of a bulk material with low thermal conductivity, characterized by individual substructure (5) consisting of the plate (1) and a box-shaped, liquid-permeable substructure (5) receiving the bulk material (6). existing elements. 2. Abdeckung nach Anspruch 1, dadurch gekennzeichnet, daß das Schüttgut (6) aus Schaumglas-Granulat besteht.2. Cover according to claim 1, characterized in that the bulk material (6) consists of foam glass granules. 3. Abdeckung nach Anspruch 1 oder 2, dadurch gekenn­zeichnet, daß der kastenförmige Unterbau (5) kleiner als die Platte (1) ist.3. Cover according to claim 1 or 2, characterized in that the box-shaped base (5) is smaller than the plate (1). 4. Abdeckung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der kastenförmige Unterbau (5) an einer Seite durch eine lösbare Lasche (7) verschlossen ist.4. Cover according to one of claims 1 to 3, characterized in that the box-shaped base (5) is closed on one side by a detachable tab (7). 5. Abdeckung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der kastenförmige Unterbau (5) aus einer an der Platte (1) befestigten Schublade (10) besteht.5. Cover according to one of claims 1 to 3, characterized in that the box-shaped base (5) consists of a on the plate (1) attached drawer (10).
EP89105515A 1988-04-26 1989-03-29 Fire-resistant cover Expired - Lifetime EP0339278B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89105515T ATE83734T1 (en) 1988-04-26 1989-03-29 FIRE RESISTANT COVER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3813952A DE3813952C2 (en) 1988-04-26 1988-04-26 Fire resistant cover
DE3813952 1988-04-26

Publications (3)

Publication Number Publication Date
EP0339278A2 true EP0339278A2 (en) 1989-11-02
EP0339278A3 EP0339278A3 (en) 1990-09-12
EP0339278B1 EP0339278B1 (en) 1992-12-23

Family

ID=6352850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105515A Expired - Lifetime EP0339278B1 (en) 1988-04-26 1989-03-29 Fire-resistant cover

Country Status (5)

Country Link
EP (1) EP0339278B1 (en)
AT (1) ATE83734T1 (en)
DE (1) DE3813952C2 (en)
ES (1) ES2036735T3 (en)
GR (1) GR3007108T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656241A1 (en) * 1989-12-27 1991-06-28 Carbon Pierre Multipurpose protective support panel, in particular for constructing floors and carriages
US5794707A (en) * 1988-12-06 1998-08-18 Alhamad; Shaikh Ghaleb Mohammad Yassin Flame arrestor
US5794706A (en) * 1988-12-06 1998-08-18 Alhamad; Shaikh Ghaleb Mohammad Yassin Prevention of corrosion, fire and explosion in oil wells

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9925401B2 (en) * 2013-10-02 2018-03-27 Pittsburgh Corning Corporation Cellular glass system for suppression of vaporization, fire and thermal radiation from liquid hydrocarbons
US10201955B2 (en) 2015-07-07 2019-02-12 Owens Corning Intellectual Capital, Llc Cellular glass corrosion under insulation system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR616477A (en) * 1925-08-17 1927-02-02 Improvements to devices used to prevent and extinguish fire
DE1506871A1 (en) * 1966-05-24 1969-08-14 Exxon Research Engineering Co Process for the fire protection of flammable hydrocarbon oil
FR2073477A1 (en) * 1969-12-17 1971-10-01 Atomic Energy Authority Uk
FR2377812A1 (en) * 1977-01-21 1978-08-18 Schmidt Thomee Georg FIRE BARRIER FOR FLAMMABLE LIQUIDS
DE3428797A1 (en) * 1984-08-04 1986-02-13 Linde Ag, 6200 Wiesbaden Fireproof jacket

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR616477A (en) * 1925-08-17 1927-02-02 Improvements to devices used to prevent and extinguish fire
DE1506871A1 (en) * 1966-05-24 1969-08-14 Exxon Research Engineering Co Process for the fire protection of flammable hydrocarbon oil
FR2073477A1 (en) * 1969-12-17 1971-10-01 Atomic Energy Authority Uk
FR2377812A1 (en) * 1977-01-21 1978-08-18 Schmidt Thomee Georg FIRE BARRIER FOR FLAMMABLE LIQUIDS
DE3428797A1 (en) * 1984-08-04 1986-02-13 Linde Ag, 6200 Wiesbaden Fireproof jacket

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5794707A (en) * 1988-12-06 1998-08-18 Alhamad; Shaikh Ghaleb Mohammad Yassin Flame arrestor
US5794706A (en) * 1988-12-06 1998-08-18 Alhamad; Shaikh Ghaleb Mohammad Yassin Prevention of corrosion, fire and explosion in oil wells
US6116347A (en) * 1988-12-06 2000-09-12 Alhamad; Shaikh Ghaleb Mohammad Yassin Prevention of corrosion, fire and explosion in oil wells
FR2656241A1 (en) * 1989-12-27 1991-06-28 Carbon Pierre Multipurpose protective support panel, in particular for constructing floors and carriages

Also Published As

Publication number Publication date
GR3007108T3 (en) 1993-07-30
EP0339278A3 (en) 1990-09-12
ATE83734T1 (en) 1993-01-15
DE3813952C2 (en) 1998-01-15
ES2036735T3 (en) 1993-06-01
EP0339278B1 (en) 1992-12-23
DE3813952A1 (en) 1989-11-09

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