EP1312873B1 - Liquidproof housing for industrial device - Google Patents

Liquidproof housing for industrial device Download PDF

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Publication number
EP1312873B1
EP1312873B1 EP02023577A EP02023577A EP1312873B1 EP 1312873 B1 EP1312873 B1 EP 1312873B1 EP 02023577 A EP02023577 A EP 02023577A EP 02023577 A EP02023577 A EP 02023577A EP 1312873 B1 EP1312873 B1 EP 1312873B1
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EP
European Patent Office
Prior art keywords
housing according
housing
trough
cross
sealing adhesive
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 - Lifetime
Application number
EP02023577A
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German (de)
French (fr)
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EP1312873A1 (en
Inventor
Werner Schlecht
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.)
Eisenmann Anlagenbau GmbH and Co KG
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Eisenmann Anlagenbau GmbH and Co KG
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Publication of EP1312873A1 publication Critical patent/EP1312873A1/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00Spray booths
    • B05B16/60Ventilation arrangements specially adapted therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/0001Control or safety arrangements for ventilation
    • F24F2011/0002Control or safety arrangements for ventilation for admittance of outside air

Definitions

  • the invention relates to a liquid-tight housing for an industrial plant, in particular for a heat exchanger system, whose side walls are mounted tightly on the floor of the room.
  • exhaust gases are passed, which consist of industrial processes, eg. B. from Lackieranlagen, come, have a higher temperature and with impurities, eg. As solvents, salts, coagulants, paint residues are loaded. These exhaust gases are passed through the rotating heat wheel and thereby release some of the heat contained in them.
  • the heat wheel transported during its rotation so heated areas to a point where they can be traversed by fresh air sucked from the outside atmosphere, which preheated in this way and then the system, for. As paint shop, are supplied, from which the exhaust gases come.
  • Dense housings are also required in other technical fields, e.g. in soundproof cabins, as they appear, inter alia, in NL-A-8,006,325.
  • the tightness to liquids requires some other measures than the seal against sound.
  • Object of the present invention is to provide a housing of the type mentioned in such a way that even if a seal fails in the connecting region between the side walls and the room floor, the outer surface of the housing always remains in optically perfect condition.
  • the idea underlying the invention is the following: penetrates into the space between the cross-sectionally U-shaped trough and the side wall set here due to a seal failure liquid, it can not rise arbitrarily: Has the liquid level the upper edge of the inner, shorter reached vertical leg, so the liquid flows into the interior of the housing over. On the other hand, it is not possible for the liquid to escape via the outer vertical leg because of its greater length. The outer surface of the housing thus remains clean in any case, even if the seals in the bottom of the Sidewalls can no longer fulfill their function completely.
  • the cross-sectionally U-shaped trough can be composed of two angle plates, the horizontally extending legs are superimposed and secured to each other. This facilitates the manufacture of the tub "in situ"; at least one of the two sheets can then take over further functions in a manner described below.
  • the cross-sectionally U-shaped trough is arranged on top of a base fixed to the floor.
  • the side wall is therefore not placed directly on the actual room floor but on a tightly connected to the room floor in a special way base.
  • the base area is particularly exposed to the intervention of cleaning water jets; by raising the cross-sectionally U-shaped trough this is at a point at which the attack of the water jets is slightly reduced.
  • the sealing of the base against the floor of the room can be done, for example, that the lower of the two forming the cross-sectionally U-shaped tray angle plates comprises a vertical leg which covers the inner surface of the base, and a horizontal leg which rests on the room floor. The latter horizontal leg can then be covered by a floor covering, resulting in a permanently good seal between the base and the room floor.
  • a covering the entire bottom of the housing sheet metal are attached, so that a closed down, the bottom of the housing forming tub arises.
  • the gap between the inner, shorter leg of the cross-sectionally U-shaped trough and the side wall is sealed with a sealing adhesive.
  • a conventional sealant is used in this embodiment, which has substantially only elastomeric properties.
  • the sealing adhesive also has excellent adhesive properties that prevent the sealing adhesive from peeling away from the surfaces of the elements that it is intended to bond to one another. The sealing adhesive thus simultaneously contributes to the mechanical connection between the side wall and the cross-section of a U-shaped trough.
  • the sealing adhesive can be placed as a bead over the gap or introduced as an adhesive layer in the gap.
  • the sealing adhesive may be a polysulfide-based or a silane-modified polymer-based material.
  • the materials mentioned not only have the required sealing and adhesive properties; they are also chemically resistant to the abovementioned impurities contained in exhaust gases from paint shops.
  • the side walls are formed from panels having a filling of insulating material, in particular rock wool, between opposing parallel sheet metal walls.
  • insulating material in particular rock wool
  • the manufacture of housings of the type of interest here can be very expensive, since in many cases it is very large structures. The manufacturing costs can be significantly reduced by using commercially available panels known from other fields of application. Isolierpanele with two parallel sheet metal walls and a filling of insulating material have been used, for example, for the construction of master cabins in industrial halls o. ⁇ . They can be "misappropriated" according to the invention for the production of housings for industrial plants.
  • a heat exchanger system is shown in vertical section, which operates with so-called. Heat wheels and the heat exchange between derived from an industrial process exhaust air and in the same or another industrial process supplied fresh air is used. It comprises a walk-in housing 1, whose considerable dimensions become clear from the consideration of the various doors 2 to 6 leading into the interior of the housing 1.
  • the vertical walls as well as the horizontal walls are composed of individual insulating panels, the outlines of which are partially shown in the right part of the figure; There are individual of these Isolierpanele provided with the reference numerals 7 and 8. In the left part of FIG. 1, the outlines of the individual insulating panels have been omitted for reasons of clarity.
  • Each of the insulating panels 7, 8 comprises on opposite sides parallel sheets, for.
  • Isolierpanele 7, 8 are known per se from other context; they are so far, for example, as room divisions, z. As in the manufacture of master cabins in industrial operations, used and there are essentially the sound insulation.
  • the Isolierpanele 7, 8 are set up in a manner explained in more detail below on a revolving base 9.
  • the base 9 is constructed on the room floor 10.
  • the z. B. originating from a paint shop exhaust enters through an opening 11 in the room floor 10 in the interior of the housing 1 a. It turns there below an intermediate ceiling 12 of the housing 1, as shown by different arrows, and flows through a heat wheel, which is shown only schematically and provided with the reference numeral 13.
  • the heat wheel 13 is continuously rotated in the operation of the system by a motor, not shown, about its horizontally extending axis of symmetry in rotation. From the heat wheel 13, the exhaust air continues to flow to a fan 14, which has sucked in the exhaust air on the previously described path and this, as always shown by arrows, presses in a Abluftsammelkanal 15.
  • the exhaust collection channel 15 extends perpendicular to the plane of Figure 1 over a considerable distance away. Into it air flows, which are passed through further, parallel above and below the plane arranged substantially identical heat wheels 13 at different locations. The exhaust air collection channel 15 is connected in a manner not shown with an exhaust chimney.
  • the fresh air is supplied to the paint shop, from which the exhaust inlet 11 supplied exhaust air comes.
  • the heat wheel 13 With the help of the heat wheel 13 heat is transferred from the heated, leaving the paint shop exhaust air to the fresh air in a known manner.
  • the heat wheel 13 consists of aluminum honeycombs which warm up to a certain temperature during the passage of the hot exhaust air in the lower region. These heated areas of the heat wheel 13 pass in its rotation in the upper region, where they are flowed through by the inlet opening 16 via the supplied fresh air, which heats up.
  • the exact structure of the base 9 shown in Figure 2 is not of interest in the present context. It has a base plate 20 which is fixed by means of several sleeve anchors 21 on the room floor 10. Between the underside of the base plate 20 and the top of the room floor 10 of the horizontal leg 22a of an angle plate 22, at its vertical leg 22b, which is located on the inside of the base 9, a three times in opposite directions by 90 ° angled sheet metal is fixed by spot welding , The first, horizontal leg 23a of this sheet 23 rests on the top of the floor 10 and extends in the opposite direction to the leg 22a of the angle plate 22. The main part 23b of the sheet 23 covers the inside of the base 9 and the second horizontal leg 23c the top of the base 9. The fourth, again vertically extending leg 23d of the sheet 23 rests against the outside of an insulating panel 24, which is part of the left side wall 25 of the housing 1 of Figure 1.
  • a parallel thereto extending leg 26a of another angle plate 26 is fixed by spot welding.
  • the vertically extending leg 26b of the angle plate 26 abuts against the inside of the Isolierpaneles 24 and is at this by a self-tapping Screw 27 secured.
  • the leg 26b of the angle plate 26 does not reach as high as the opposite vertical leg 23d of the sheet 23rd
  • the vertically extending leg 23d of the sheet 23, the horizontally extending legs 26a and the vertically extending leg 26b of the angle plate 26 form in this way a kind of tub having a U-shaped cross section, which receives the lower edge region of the Isolierpaneles 24.
  • this U-shaped cross-section is not symmetrical but extends higher on the outside than on the inside.
  • a sealing adhesive is meant a substance having a dual property: On the one hand, it has an adhesive effect, so it makes an intimate connection with the material of the elements, which is supposed to connect them together. In this way it is ensured in the long term that the bead 28 can not detach from the inner surface of the Isolierpaneles 24 and 26 of the vertical leg 26 b of the angle plate.
  • the second function, which must meet this substance, is of course that of the seal, which prevents leakage of gases and / or liquids from the interior of the housing 1.
  • the substance must also remain permanently elastic so that they do not become brittle or even crumble during operation. Of course, further, that the substance must be resistant to the impurities, which carries the housing 1 by flowing exhaust air with it.
  • sealing adhesive for example a polysulfide-based material or a silane-modified polymer-based material.
  • fabrics not only have the desired adhesive, sealing and elastic properties; In particular, they are also resistant to those contaminants which are the result of paint systems: solvents, salts, coagulants, paint residues.
  • the horizontal leg 23a of the multi-angled sheet 23 is covered by a floor to be applied to the floor 10 floor covering, so that here an absolute tightness is guaranteed. Possibly. can be connected to the inside of the base 9 and the entire room floor 10 in the interior of the housing 1 covering the tub.
  • the bead 28 of the sealing adhesive is a highly reliable, durable seal that under normal circumstances does not lose its tightness.
  • liquid could flow into the cross-sectionally U-shaped trough 23d, 26a, 26b.
  • this tub can at most fill up to the upper edge of the inner vertical leg 26b of the angle plate 26; then she runs over.
  • leakage of liquid on the outside of the U-shaped trough 23d, 26a, 26b is not possible since the upper edge of the higher leg 23d can never be reached by the liquid. In this way, in any case, the outside of the housing 1 of the heat exchanger system always remains clean and visually appealing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)

Description

Die Erfindung betrifft ein flüssigkeitsdichtes Gehäuse für eine Industrieanlage, insbesondere für eine Wärmetauscheranlage, dessen Seitenwände dicht auf dem Raumboden montiert sind.The invention relates to a liquid-tight housing for an industrial plant, in particular for a heat exchanger system, whose side walls are mounted tightly on the floor of the room.

Gehäuse von Industrieanlagen, in denen sich industrielle Prozesse abspielen, sind häufig extremen Einwirkungen ausgesetzt, welche die mechanische Stabilität der Wände und insbesondere der Dichtfugen angreifen. Ein Beispiel für eine derartige Industrieanlage ist eine Wärmetauscheranlage, die mit sog. "Wärmerädern" oder mit anderen vergleichbaren Systemen arbeiten. Durch die Gehäuse derartiger Wärmetauscheranlagen werden Abgase geleitet, die aus industriellen Prozessen, z. B. aus Lackieranlagen, stammen, eine höhere Temperatur aufweisen und mit Verunreinigungen, z. B. Lösemitteln, Salzen, Koaguliermitteln, Lackresten, beladen sind. Diese Abgase werden durch das sich drehende Wärmerad geleitet und geben dabei einen Teil der in ihnen enthaltenen Wärme ab. Das Wärmerad transportiert bei seiner Drehung seine so erwärmten Bereiche an eine Stelle, an der sie von aus der Außenatmosphäre eingesaugter Frischluft durchströmt werden können, die auf diese Weise vorerwärmt und dann der Anlage, z. B. Lackieranlage, zugeleitet werden, aus der auch die Abgase stammen.Housings of industrial plants in which industrial processes take place are often exposed to extreme effects which attack the mechanical stability of the walls and in particular of the sealing joints. An example of such an industrial plant is a heat exchanger plant, which work with so-called "heat wheels" or other comparable systems. Through the housing of such heat exchanger systems exhaust gases are passed, which consist of industrial processes, eg. B. from Lackieranlagen, come, have a higher temperature and with impurities, eg. As solvents, salts, coagulants, paint residues are loaded. These exhaust gases are passed through the rotating heat wheel and thereby release some of the heat contained in them. The heat wheel transported during its rotation so heated areas to a point where they can be traversed by fresh air sucked from the outside atmosphere, which preheated in this way and then the system, for. As paint shop, are supplied, from which the exhaust gases come.

Während des Betriebes derartiger Wärmetauscheranlageh scheiden sich Verunreinigungen an den Innenflächen des Gehäuses ab. Diese müssen von Zeit zu Zeit entfernt werden, wozu Hochdruck-Wasserreiniger eingesetzt werden, die mit Wasserdrücken bis zu 2 000 Atmosphären arbeiten. Es leuchtet ohne weiteres ein, daß alle Dichtungsmaterialien, die in dem Gehäuse eingesetzt werden, unter dem Einfluß derartiger Wasserstrahlen extremen Angriffen ausgesetzt sind. Es drohen daher, jedenfalls nach einer gewissen Betriebszeit, immer Leckagen, die insbesondere auf der Außenseite des Gehäuses unschöne Schlieren hinterlassen.During operation of such Wärmetauscheranlageh impurities are deposited on the inner surfaces of the housing. These must be removed from time to time, using high pressure water purifiers, which work with water pressures of up to 2,000 atmospheres. It will be readily appreciated that all sealing materials used in the housing are subjected to extreme attack under the influence of such jets of water. Therefore, there are always threats, at least after a certain period of operation, of leaks that leave unsightly streaks, especially on the outside of the housing.

Dichte Gehäuse sind auch auf anderen technischen Gebieten erforderlich, z.B. in Schallschutzkabinen, wie sie unter anderem aus der NL-A-8.006 325 hervorgehen. Die Dichtigkeit gegenüber Flüssigkeiten erfordert allerdings zum Teil andere Maßnahmen als die Abdichtung gegen Schall.Dense housings are also required in other technical fields, e.g. in soundproof cabins, as they appear, inter alia, in NL-A-8,006,325. The tightness to liquids, however, requires some other measures than the seal against sound.

Aufgabe der vorliegenden Erfindung ist es, ein Gehäuse der eingangs genannten Art derart auszugestalten, daß auch dann, wenn eine Dichtung im Verbindungsbereich zwischen den Seitenwänden und dem Raumboden versagt, die Außenfläche des Gehäuses stets in optisch einwandfreiem Zustand verbleibt.Object of the present invention is to provide a housing of the type mentioned in such a way that even if a seal fails in the connecting region between the side walls and the room floor, the outer surface of the housing always remains in optically perfect condition.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß
die unteren Randbereiche der Seitenwände in eine im Querschnitt U-förmige Wanne eingestellt sind, wobei der innenliegende vertikale Schenkel der Wanne kürzer ist als der außenliegende vertikale Schenkel.
This object is achieved in that
the lower edge regions of the side walls are set in a cross-sectionally U-shaped trough, wherein the inner vertical leg of the trough is shorter than the outer vertical leg.

Der der Erfindung zugrunde liegende Gedanke ist folgender: Dringt in den Zwischenraum zwischen der im Querschnitt U-förmigen Wanne und der hier eingestellten Seitenwand aufgrund eines Dichtungsversagens Flüssigkeit ein, so kann diese nicht beliebig ansteigen: Hat der Flüssigkeitsspiegel den oberen Rand des innenliegenden, kürzeren vertikalen Schenkels erreicht, so fließt die Flüssigkeit in den Innenraum des Gehäuses über. Ein Austreten der Flüssigkeit über den außenliegenden vertikalen Schenkel ist aufgrund dessen größerer Länge dagegen nicht möglich. Die Außenfläche des Gehäuses bleibt somit in jedem Falle sauber, auch wenn die Dichtungen im Bodenbereich der Seitenwände ihre Funktion nicht mehr vollständig erfüllen können.The idea underlying the invention is the following: penetrates into the space between the cross-sectionally U-shaped trough and the side wall set here due to a seal failure liquid, it can not rise arbitrarily: Has the liquid level the upper edge of the inner, shorter reached vertical leg, so the liquid flows into the interior of the housing over. On the other hand, it is not possible for the liquid to escape via the outer vertical leg because of its greater length. The outer surface of the housing thus remains clean in any case, even if the seals in the bottom of the Sidewalls can no longer fulfill their function completely.

Die im Querschnitt U-förmige Wanne kann aus zwei Winkelblechen zusammengesetzt sein, deren horizontal verlaufende Schenkel übereinanderliegen und aneinander befestigt sind. Dies erleichtert die Herstellung der Wanne "in situ"; zumindest eines der beiden Bleche kann dann in weiter unten geschilderten Weise weitere Funktionen übernehmen.The cross-sectionally U-shaped trough can be composed of two angle plates, the horizontally extending legs are superimposed and secured to each other. This facilitates the manufacture of the tub "in situ"; at least one of the two sheets can then take over further functions in a manner described below.

In vielen Fällen empfiehlt es sich, dass die im Querschnitt U-förmige Wanne auf der Oberseite eines am Raumboden befestigten Sockels angeordnet ist. Die Seitenwand wird also nicht direkt auf den eigentlichen Raumboden aufgestellt sondern auf einen mit dem Raumboden in besonderer Weise dicht verbundenen Sockel. Der Sockelbereich ist dem Eingriff reinigender Wasserstrahlen in besonderem Ausmaße ausgesetzt; durch das Hochlegen der im Querschnitt U-förmigen Wanne liegt diese an einer Stelle, an welcher der Angriff der Wasserstrahlen etwas reduziert ist.In many cases, it is recommended that the cross-sectionally U-shaped trough is arranged on top of a base fixed to the floor. The side wall is therefore not placed directly on the actual room floor but on a tightly connected to the room floor in a special way base. The base area is particularly exposed to the intervention of cleaning water jets; by raising the cross-sectionally U-shaped trough this is at a point at which the attack of the water jets is slightly reduced.

Die Abdichtung des Sockels gegen den Raumboden kann beispielsweise dadurch geschehen, daß das untere der beiden die im Querschnitt U-förmige Wanne bildenden Winkelbleche einen vertikalen Schenkel, der die Innenfläche des Sockels abdeckt, und einen horizontalen Schenkel, der auf dem Raumboden anliegt, umfasst. Der letztgenannte horizontale Schenkel kann dann von einem Bodenbelag überdeckt werden, wodurch sich eine dauerhaft gute Abdichtung zwischen Sockel und Raumboden ergibt. Alternativ kann an den die Innenfläche des Sockels abdeckenden Schenkel des Winkelbleches auch ein den gesamten Boden des Gehäuses überdeckendes Blech angesetzt werden, so daß eine nach unten geschlossene, den Boden des Gehäuses bildende Wanne entsteht.The sealing of the base against the floor of the room can be done, for example, that the lower of the two forming the cross-sectionally U-shaped tray angle plates comprises a vertical leg which covers the inner surface of the base, and a horizontal leg which rests on the room floor. The latter horizontal leg can then be covered by a floor covering, resulting in a permanently good seal between the base and the room floor. Alternatively, at the inner surface of the base covering legs of the angle plate, a covering the entire bottom of the housing sheet metal are attached, so that a closed down, the bottom of the housing forming tub arises.

Besonders bevorzugt wird, wenn der Spalt zwischen dem innenliegenden, kürzeren Schenkel der im Querschnitt U-förmigen Wanne und der Seitenwand mit einem dichtenden Klebstoff abgedichtet ist. Erfindungsgemäß wird also bei dieser Ausführungsform nicht ein herkömmlicher Dichtstoff verwendet, der im wesentlichen nur elastomere Eigenschaften aufweist. Vielmehr besitzt der dichtende Klebstoff auch hervorragende klebende Eigenschaften, die verhindern, daß sich der dichtende Klebstoff von den Flächen der Elemente, die er miteinander verbinden soll, wieder ablöst. Der dichtende Klebstoff trägt so gleichzeitig zur mechanischen Verbindung zwischen Seitenwand und im Querschnitt U-förmiger Wanne bei.It is particularly preferred if the gap between the inner, shorter leg of the cross-sectionally U-shaped trough and the side wall is sealed with a sealing adhesive. According to the invention, therefore, a conventional sealant is used in this embodiment, which has substantially only elastomeric properties. Rather, the sealing adhesive also has excellent adhesive properties that prevent the sealing adhesive from peeling away from the surfaces of the elements that it is intended to bond to one another. The sealing adhesive thus simultaneously contributes to the mechanical connection between the side wall and the cross-section of a U-shaped trough.

Der dichtende Klebstoff kann als Raupe über den Spalt gelegt oder als Klebstoffschicht in den Spalt eingebracht sein.The sealing adhesive can be placed as a bead over the gap or introduced as an adhesive layer in the gap.

Der dichtende Klebstoff kann ein auf Polysulfiden basierendes oder ein auf Silan-modifizierten Polymeren basierendes Material sein. Die genannten Materialien besitzen nicht nur die erforderlichen dichtenden und klebenden Eigenschaften; sie sind auch gegenüber den oben genannten, in Abgasen von Lackieranlagen enthaltenen Verunreinigungen chemisch resistent.The sealing adhesive may be a polysulfide-based or a silane-modified polymer-based material. The materials mentioned not only have the required sealing and adhesive properties; they are also chemically resistant to the abovementioned impurities contained in exhaust gases from paint shops.

Bei einer bevorzugten Ausführungsform der Erfindung sind die Seitenwände aus Panelen gebildet, die zwischen gegenüberliegenden parallelen Blechwänden eine Füllung aus Isoliermaterial, insbesondere Steinwolle, besitzen. Die Herstellung von Gehäusen der hier interessierenden Art kann sehr teuer sein, da es sich in vielen Fällen um sehr große Gebilde handelt. Die Herstellungskosten lassen sich durch Verwendung von handelsüblichen Panelen erheblich reduzieren, die aus anderen Anwendungsgebieten bekannt sind. Isolierpanele mit zwei parallelen Blechwänden und einer Füllung aus Isoliermaterial werden bisher beispielsweise zur Errichtung von Meisterkabinen in Industriehallen o. ä. eingesetzt. Sie können erfindungsgemäß zur Herstellung von Gehäusen für Industrieanlagen "zweckentfremdet" werden.In a preferred embodiment of the invention, the side walls are formed from panels having a filling of insulating material, in particular rock wool, between opposing parallel sheet metal walls. The manufacture of housings of the type of interest here can be very expensive, since in many cases it is very large structures. The manufacturing costs can be significantly reduced by using commercially available panels known from other fields of application. Isolierpanele with two parallel sheet metal walls and a filling of insulating material have been used, for example, for the construction of master cabins in industrial halls o. Ä. They can be "misappropriated" according to the invention for the production of housings for industrial plants.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert; es zeigen

Figur 1:
einen schematischen Vertikalschnitt durch eine Wärmerad-Wärmetauscheranlage;
Figur 2:
in vergrößertem Maßstab den in Figur 1 eingekreisten Bereich.
An embodiment of the invention will be explained in more detail with reference to the drawing; show it
FIG. 1:
a schematic vertical section through a heat wheel heat exchanger system;
FIG. 2:
on an enlarged scale the area circled in Figure 1.

In Figur 1 ist im vertikalen Schnitt eine Wärmetauscheranlage dargestellt, die mit sog. Wärmerädern arbeitet und dem wärmeaustausch zwischen aus einem industriellen Prozeß stammender Abluft und in denselben oder einen anderen industriellen Prozess zugeführter Frischluft dient. Sie umfasst ein begehbares Gehäuse 1, dessen erhebliche Dimensionen aus der Betrachtung der verschiedenen in den Innenraum des Gehäuses 1 führenden Türen 2 bis 6 deutlich wird. Die vertikalen Wände sind ebenso wie die horizontalen Wände aus einzelnen Isolierpanelen zusammengesetzt, deren Umrisse teilweise im rechten Teil der Figur dargestellt sind; dort sind einzelne dieser Isolierpanele mit den Bezugszeichen 7 und 8 versehen. Im linken Teil der Figur 1 sind aus Übersichtlichkeitsgründen die Umrisse der einzelnen Isolierpanele weggelassen. Jedes der Isolierpanele 7, 8 umfasst auf gegenüberliegenden Seiten parallele Bleche, z. B. verzinkte Bleche oder Edelstahlbleche, deren Zwischenraum mit Steinwolle angefüllt ist. Derartige Isolierpanele 7, 8 sind an und für sich aus anderem Zusammenhang bekannt; sie werden bisher beispielsweise als Raumeinteilungen, z. B. bei der Herstellung von Meisterkabinen in Industriebetrieben, eingesetzt und dienen dort im wesentlichen der Schallisolierung.In Figure 1, a heat exchanger system is shown in vertical section, which operates with so-called. Heat wheels and the heat exchange between derived from an industrial process exhaust air and in the same or another industrial process supplied fresh air is used. It comprises a walk-in housing 1, whose considerable dimensions become clear from the consideration of the various doors 2 to 6 leading into the interior of the housing 1. The vertical walls as well as the horizontal walls are composed of individual insulating panels, the outlines of which are partially shown in the right part of the figure; There are individual of these Isolierpanele provided with the reference numerals 7 and 8. In the left part of FIG. 1, the outlines of the individual insulating panels have been omitted for reasons of clarity. Each of the insulating panels 7, 8 comprises on opposite sides parallel sheets, for. As galvanized sheets or stainless steel sheets, whose space is filled with rock wool. Such Isolierpanele 7, 8 are known per se from other context; they are so far, for example, as room divisions, z. As in the manufacture of master cabins in industrial operations, used and there are essentially the sound insulation.

An ihren unteren Rändern sind die Isolierpanele 7, 8 in einer weiter unten näher erläuterten Weise auf einen umlaufenden Sockel 9 aufgestellt. Der Sockel 9 ist auf den Raumboden 10 aufgebaut.At their lower edges, the Isolierpanele 7, 8 are set up in a manner explained in more detail below on a revolving base 9. The base 9 is constructed on the room floor 10.

Die z. B. aus einer Lackieranlage stammende Abluft tritt durch eine Öffnung 11 im Raumboden 10 in den Innenraum des Gehäuses 1 ein. Sie biegt dort unterhalb einer Zwischendecke 12 des Gehäuses 1 um, wie dies durch verschiedene Pfeile dargestellt ist, und durchströmt ein Wärmerad, welches nur schematisch dargestellt und mit dem Bezugszeichen 13 versehen ist. Das Wärmerad 13 wird im Betrieb der Anlage durch einen nicht dargestellten Motor kontinuierlich um seine horizontal verlaufende Symmetrieachse in Drehung versetzt. Vom Wärmerad 13 fließt die Abluft weiter zu einem Ventilator 14, der die Abluft auf dem bisher geschilderten Weg angesaugt hat und diese, wie immer noch durch Pfeile dargestellt, in einen Abluftsammelkanal 15 drückt.The z. B. originating from a paint shop exhaust enters through an opening 11 in the room floor 10 in the interior of the housing 1 a. It turns there below an intermediate ceiling 12 of the housing 1, as shown by different arrows, and flows through a heat wheel, which is shown only schematically and provided with the reference numeral 13. The heat wheel 13 is continuously rotated in the operation of the system by a motor, not shown, about its horizontally extending axis of symmetry in rotation. From the heat wheel 13, the exhaust air continues to flow to a fan 14, which has sucked in the exhaust air on the previously described path and this, as always shown by arrows, presses in a Abluftsammelkanal 15.

Der Abluftsammelkanal 15 erstreckt sich senkrecht zur Zeichenebene von Figur 1 über eine erhebliche Entfernung hinweg. In ihn münden an unterschiedlichen Stellen Luftströme, die durch weitere, parallel oberhalb und unterhalb der Zeichenebene angeordnete im wesentlichen identische Wärmeräder 13 hindurchgeführt sind. Der Abluftsammelkanal 15 ist in nicht näher dargestellter Weise mit einem Abluftkamin verbunden.The exhaust collection channel 15 extends perpendicular to the plane of Figure 1 over a considerable distance away. Into it air flows, which are passed through further, parallel above and below the plane arranged substantially identical heat wheels 13 at different locations. The exhaust air collection channel 15 is connected in a manner not shown with an exhaust chimney.

Frischluft tritt, wie ebenfalls durch Pfeile gekennzeichnet, durch eine an der Oberseite des Gehäuses 1 angeordnete Einlaßöffnung 16 in das Innere des Gehäuses 1 ein. Sie biegt oberhalb der Zwischendecke 12 in der durch die Pfeile angedeuteten Weise in eine horizontale Strömungsrichtung um und durchströmt dann den oberen Bereich des Wärmerades 13. Von dort fließt die Luft weiter zu einer im oberen Bereich der rechten Seitenwand 17 des Gehäuses 1 liegenden Auslaßöffnung 18. Ein Teil der Frischluft kann nach Bedarf durch eine oberhalb des Wärmerades 13 liegende, in unterschiedlichem Ausmaße verschließbare Jalousie 19 an dem Wärmerad 13 vorbei geleitet werden.Fresh air enters, as also indicated by arrows, through a arranged at the top of the housing 1 inlet opening 16 in the interior of the housing 1 a. It bends above the false ceiling 12 in the manner indicated by the arrows in a horizontal flow direction and then flows through the upper portion of the heat wheel 13. From there, the air flows on to a lying in the upper region of the right side wall 17 of the housing 1 outlet port 18th A portion of the fresh air can be passed as required by a lying above the heat wheel 13, closable to varying degrees shutter 19 to the heat wheel 13 over.

Von der Auslaßöffnung 18 des Gehäuses 1 wird die Frischluft der Lackieranlage zugeführt, aus welcher die der Einnlaßöffnung 11 zugeleitete Abluft stammt.From the outlet opening 18 of the housing 1, the fresh air is supplied to the paint shop, from which the exhaust inlet 11 supplied exhaust air comes.

Mit Hilfe des Wärmerades 13 wird in bekannter Weise Wärme von der erhitzten, die Lackieranlage verlassenden Abluft auf die Frischluft übertragen. Das Wärmerad 13 besteht hierzu aus Aluminiumwaben, die sich beim Durchgang der heißen Abluft im unteren Bereich auf eine bestimmte Temperatur aufwärmen. Diese erhitzten Bereiche des Wärmerades 13 gelangen bei dessen Verdrehung in den oberen Bereich, wo sie von der über die Einlaßöffnung 16 zugeführten Frischluft durchströmt werden, die sich dabei erwärmt.With the help of the heat wheel 13 heat is transferred from the heated, leaving the paint shop exhaust air to the fresh air in a known manner. For this purpose, the heat wheel 13 consists of aluminum honeycombs which warm up to a certain temperature during the passage of the hot exhaust air in the lower region. These heated areas of the heat wheel 13 pass in its rotation in the upper region, where they are flowed through by the inlet opening 16 via the supplied fresh air, which heats up.

Im Betrieb der Wärmetauscheranlage schlagen sich an den inneren Flächen des Gehäuses 1 Verunreinigungen aus der Abluft nieder. Diese müssen in regelmäßigen Abständen entfernt werden. Hierzu werden insbesondere auch Hochdruck-Wasserreiniger eingesetzt, die mit bis zu 2 000 Atmosphären Wasserdruck arbeiten. Dadurch sind alle Stellen, an denen einzelne Isolierpanele 7, 8 des Gehäuses 1 aufeinanderstoßen oder mit dem Sockel 9 verbunden sind, ganz erheblichen Beanspruchungen ausgesetzt. Insbesondere die Dichtigkeit dieser Stellen ist problematisch.During operation of the heat exchanger system, impurities from the exhaust air are deposited on the inner surfaces of the housing 1. These must be removed at regular intervals. For this purpose, high-pressure water purifiers are used in particular, which work with up to 2,000 atmospheres of water pressure. As a result, all digits are on which individual insulating panels 7, 8 of the housing 1 collide or are connected to the base 9, exposed to considerable stresses. In particular, the tightness of these bodies is problematic.

In welcher Weise die Abdichtung zwischen den vertikalen Seitenwänden 17, 25 des Gehäuses 1 und dem Sockel 9 bewirkt wird, ist in größerem Maßstab in Figur 2 dargestellt.The manner in which the seal between the vertical side walls 17, 25 of the housing 1 and the base 9 is effected is shown on a larger scale in FIG.

Der genaue Aufbau des Sockels 9, der in Figur 2 gezeigt ist, ist im vorliegenden Zusammenhang nicht von Interesse. Er weist eine Grundplatte 20 auf, die mit Hilfe mehrerer Hülsenanker 21 am Raumboden 10 festgelegt ist. Zwischen der Unterseite der Grundplatte 20 und der Oberseite des Raumbodens 10 verläuft der horizontale Schenkel 22a eines Winkelbleches 22, an dessen vertikalem Schenkel 22b, der sich auf der Innenseite des Sockels 9 befindet, ein drei Mal gegensinnig um 90° abgewinkeltes Blech durch Punktschweißen befestigt ist. Der erste, horizontale Schenkel 23a dieses Bleches 23 liegt auf der Oberseite des Raumboden 10 an und erstreckt sich in entgegengesetzter Richtung zum Schenkel 22a des Winkelbleches 22. Der Hauptteil 23b des Bleches 23 überdeckt die Innenseite des Sockels 9 und der zweite horizontale Schenkel 23c die Oberseite des Sockels 9. Der vierte, wiederum vertikal verlaufende Schenkel 23d des Bleches 23 liegt an der Außenseite eines Isolierpanels 24 an, welches Teil der linken Seitenwand 25 des Gehäuses 1 von Figur 1 ist.The exact structure of the base 9 shown in Figure 2 is not of interest in the present context. It has a base plate 20 which is fixed by means of several sleeve anchors 21 on the room floor 10. Between the underside of the base plate 20 and the top of the room floor 10 of the horizontal leg 22a of an angle plate 22, at its vertical leg 22b, which is located on the inside of the base 9, a three times in opposite directions by 90 ° angled sheet metal is fixed by spot welding , The first, horizontal leg 23a of this sheet 23 rests on the top of the floor 10 and extends in the opposite direction to the leg 22a of the angle plate 22. The main part 23b of the sheet 23 covers the inside of the base 9 and the second horizontal leg 23c the top of the base 9. The fourth, again vertically extending leg 23d of the sheet 23 rests against the outside of an insulating panel 24, which is part of the left side wall 25 of the housing 1 of Figure 1.

Auf dem horizontal verlaufenden Schenkel 23c des Bleches 23 ist ein parallel hierzu verlaufender Schenkel 26a eines weiteren Winkelbleches 26 durch Punktschweißen befestigt. Der vertikal verlaufende Schenkel 26b des Winkelbleches 26 liegt an der Innenseite des Isolierpaneles 24 an und ist an diesem durch eine selbstschneidende Schraube 27 gesichert. Der Schenkel 26b des Winkelbleches 26 reicht nicht so hoch wie der gegenüberliegende vertikale Schenkel 23d des Bleches 23.On the horizontally extending leg 23c of the sheet 23, a parallel thereto extending leg 26a of another angle plate 26 is fixed by spot welding. The vertically extending leg 26b of the angle plate 26 abuts against the inside of the Isolierpaneles 24 and is at this by a self-tapping Screw 27 secured. The leg 26b of the angle plate 26 does not reach as high as the opposite vertical leg 23d of the sheet 23rd

Der vertikal verlaufende Schenkel 23d des Bleches 23, der horizontal verlaufende Schenkel 26a und der vertikal verlaufende Schenkel 26b des Winkelbleches 26 bilden auf diese Weise eine Art Wanne mit U-förmigen Querschnitt, welche den unteren Randbereich des Isolierpaneles 24 aufnimmt. Dieser U-förmige Querschnitt ist jedoch nicht symmetrisch sondern reicht an der Außenseite höher als an der Innenseite.The vertically extending leg 23d of the sheet 23, the horizontally extending legs 26a and the vertically extending leg 26b of the angle plate 26 form in this way a kind of tub having a U-shaped cross section, which receives the lower edge region of the Isolierpaneles 24. However, this U-shaped cross-section is not symmetrical but extends higher on the outside than on the inside.

Der Eintrittspalt zwischen dem vertikalen Schenkel 26b des Winkelbleches 26 und der Innenfläche des Isolierpaneles 24 ist durch eine Raupe 28 eines dichtenden Klebestoffs verschlossen. Unter einem "dichtenden Klebstoff" wird hier eine Substanz mit einer Doppeleigenschaft verstanden:
Zum einen hat sie klebende Wirkung, geht also eine innige Verbindung mit dem Material der Elemente eine, die sie miteinander verbinden soll. Hierdurch ist auf Dauer gewährleistet, daß sich die Raupe 28 von der Innenfläche des Isolierpaneles 24 und von dem vertikalen Schenkel 26b des Winkelbleches 26 nicht ablösen kann. Die zweite Funktion, welche diese Substanz erfüllen muß, ist selbstverständlich diejenige der Dichtung, welche ein Austreten von Gasen und/oder Flüssigkeiten aus dem Innenraum des Gehäuses 1 unterbindet. Die Substanz muß zudem dauerhaft elastisch bleiben, so daß sie im Betrieb nicht versprödet oder gar zerbröckelt. Selbstverständlich ist ferner, daß die Substanz gegenüber den Verunreinigungen, welche die das Gehäuse 1 durchströmende Abluft mit sich führt, beständig sein muß.
The entrance gap between the vertical leg 26b of the angle plate 26 and the inner surface of the Isolierpaneles 24 is closed by a bead 28 of a sealing adhesive. By a "sealing adhesive" is meant a substance having a dual property:
On the one hand, it has an adhesive effect, so it makes an intimate connection with the material of the elements, which is supposed to connect them together. In this way it is ensured in the long term that the bead 28 can not detach from the inner surface of the Isolierpaneles 24 and 26 of the vertical leg 26 b of the angle plate. The second function, which must meet this substance, is of course that of the seal, which prevents leakage of gases and / or liquids from the interior of the housing 1. The substance must also remain permanently elastic so that they do not become brittle or even crumble during operation. Of course, further, that the substance must be resistant to the impurities, which carries the housing 1 by flowing exhaust air with it.

Als dichtender Klebstoff eignet sich beispielsweise ein auf Polysulfiden basierendes Material oder auch ein auf Silan-modifizierten Polymeren basierendes Material. Beide Stoffe weisen nicht nur die gewünschten klebenden, dichtenden und elastischen Eigenschaften auf; sie sind insbesondere auch gegenüber denjenigen Verunreinigungen beständig, welche aus Lackieranlagen kommende Ablauft mit sich führt: Lösemittel, Salze, Koaguliermittel, Lackreste.As a sealing adhesive, for example a polysulfide-based material or a silane-modified polymer-based material. Both fabrics not only have the desired adhesive, sealing and elastic properties; In particular, they are also resistant to those contaminants which are the result of paint systems: solvents, salts, coagulants, paint residues.

Die Außenseite des Sockels 9 und der untere Bereich der Außenseite des Isolierpaneles 24 sind schließlich von einer Blechblende 30 überdeckt, deren unterer, abgewinkelter Schenkel 30a auf der Oberseite des Raumbodens 10 aufliegt.The outer side of the base 9 and the lower region of the outer side of the Isolierpaneles 24 are finally covered by a metal plate 30, the lower, angled leg 30a rests on the top of the room floor 10.

Der horizontale Schenkel 23a des mehrfach abgewinkelten Bleches 23 wird von einem auf den Raumboden 10 aufzubringenden Bodenbelag überdeckt, so daß hier eine absolute Dichtigkeit gewährleistet ist. Ggf. kann an die Innenseite des Sockels 9 auch eine den gesamten Raumboden 10 im Innenraum des Gehäuses 1 abdeckende Wanne angeschlossen werden.The horizontal leg 23a of the multi-angled sheet 23 is covered by a floor to be applied to the floor 10 floor covering, so that here an absolute tightness is guaranteed. Possibly. can be connected to the inside of the base 9 and the entire room floor 10 in the interior of the housing 1 covering the tub.

Mit der geschilderten Verbindung zwischen den Isolierpanelen 7, 8, 24 der Seitenwände des Gehäuses 1 und dem Sockel 9 wird das Problem der Dichtigkeit in doppelter Weise angegangen: Zum einen stellt die Raupe 28 aus dem dichtenden Klebstoff eine hoch verlässliche, strapazierfähige Abdichtung dar, die unter normalen Umständen ihre Dichtigkeit nicht verliert. Sollte dies jedoch im Einzelfall trotzdem geschehen, so könnte unter ungünstigen Umständen Flüssigkeit in die im Querschnitt U-förmige Wanne 23d, 26a, 26b einfließen. Diese Wanne kann sich aber höchstens bis zum oberen Rand des innenliegenden vertikalen Schenkels 26b des Winkelbleches 26 auffüllen; sodann läuft sie über. Ein Austreten von Flüssigkeit an der Außenseite der U-förmigen Wanne 23d, 26a, 26b dagegen ist nicht möglich, da der obere Rand des höheren Schenkels 23d von der Flüssigkeit nie erreicht werden kann. Auf diese Weise bleibt jedenfalls die Außenseite des Gehäuses 1 der Wärmetauscheranlage stets sauber und optisch ansprechend. With the described connection between the Isolierpanelen 7, 8, 24 of the side walls of the housing 1 and the base 9, the problem of tightness is addressed in two ways: First, the bead 28 of the sealing adhesive is a highly reliable, durable seal that under normal circumstances does not lose its tightness. However, should this happen in the individual case, so under unfavorable circumstances liquid could flow into the cross-sectionally U-shaped trough 23d, 26a, 26b. However, this tub can at most fill up to the upper edge of the inner vertical leg 26b of the angle plate 26; then she runs over. On the other hand, leakage of liquid on the outside of the U-shaped trough 23d, 26a, 26b is not possible since the upper edge of the higher leg 23d can never be reached by the liquid. In this way, in any case, the outside of the housing 1 of the heat exchanger system always remains clean and visually appealing.

Claims (10)

  1. A liquid-tight housing for an industrial plant, in particular for a heat-exchanger plant, the side walls of which are mounted imperviously on the bottom of the chamber,
    characterised in that
    the lower marginal regions of the side walls (17, 25) are set into a trough (23d, 26a, 26b) which is U-shaped in cross-section, the internal vertical shank (26b) of the trough (23d, 26a, 26b) being shorter than the external vertical shank (23d).
  2. Housing according to Claim 1,
    characterised in that the trough (23d, 26a, 26b) which is U-shaped in cross-section is composed of two angled plates (23, 26), the horizontally extending shanks (23c, 26a) of which are situated above one another and fastened to one another.
  3. Housing according to Claim 2, characterised in that the trough (23d, 26a, 26b) which is U-shaped in cross-section is arranged on the upper side of a pedestal (9) which is fastened to the bottom (10) of the chamber.
  4. Housing according to Claim 3, characterised in that the lower (23) of the two angled plates (23, 26) forming the trough (23d, 26a, 26b) which is U-shaped in cross-section comprises a vertical shank (23b), which covers the internal surface of the pedestal (9), and a horizontal shank (23a), which rests on the bottom (10) of the chamber.
  5. Housing according to one of the preceding claims,
    characterised in that the gap between the internal, shorter shank (26b) of the trough (23, 26a, 26b) which is U-shaped in cross-section and the side wall (17, 25) is sealed with a sealing adhesive (28).
  6. Housing according to Claim 5, characterised in that the sealing adhesive is placed over the gap in the form of a bead (28).
  7. Housing according to Claim 5, characterised in that the sealing adhesive is introduced into the gap in the form of a layer of adhesive.
  8. Housing according to one of Claims 5 to 7,
    characterised in that the sealing adhesive is a material based on polysulfides.
  9. Housing according to one of Claims 5 to 7,
    characterised in that the sealing adhesive is a material based on silane-modified polymers.
  10. Housing according to one of the preceding claims,
    characterised in that the side walls (17, 25) are formed from insulating panels (7, 8, 24) which possess a filling consisting of insulating material, in particular rock wool, between opposite parallel sheet-metal walls.
EP02023577A 2001-11-15 2002-10-23 Liquidproof housing for industrial device Expired - Lifetime EP1312873B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10156226 2001-11-15
DE10156226A DE10156226C1 (en) 2001-11-15 2001-11-15 Fluid-tight casing for e.g. industrial heat exchanger, comprises sidewalls installed in U-sections having a shorter inner limb

Publications (2)

Publication Number Publication Date
EP1312873A1 EP1312873A1 (en) 2003-05-21
EP1312873B1 true EP1312873B1 (en) 2006-01-11

Family

ID=7705917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02023577A Expired - Lifetime EP1312873B1 (en) 2001-11-15 2002-10-23 Liquidproof housing for industrial device

Country Status (3)

Country Link
EP (1) EP1312873B1 (en)
DE (2) DE10156226C1 (en)
ES (1) ES2253484T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012010569U1 (en) 2012-11-07 2013-01-15 Berliner Wartungs- und Kundendienst GmbH Housing or chamber for receiving filters, heat exchangers, humidifiers, evaporators, air conditioners, fans, blower and suction devices and lightweight wall for repairing such housing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702211A (en) * 1971-07-14 1972-11-07 Carrier Corp Frame for rooftop air conditioner
US3885362A (en) * 1973-04-19 1975-05-27 Gordon J Pollock Modular noise abatement enclosure and joint seal
US4258511A (en) * 1979-03-29 1981-03-31 Strain William E Industrial noise abatement enclosure
NL8006325A (en) * 1980-11-20 1982-06-16 Henricus Lambertus Maria Van D Sound insulated telephone booth - has standard sectional frame parts and panels retained in u=section components with flanges fixed to frame parts
US4502410A (en) * 1983-11-07 1985-03-05 Haden Schweitzer Corporation Enclosure for treatment tank
US5042420A (en) * 1989-11-27 1991-08-27 Binks Manufacturing Company Trapezoidal painting structure
DE4223005A1 (en) * 1991-07-13 1993-01-14 Eisenmann Kg Maschbau Regenerative heat-exchanger - has air-passage walls dividing ribs and slotted nozzles either side or rotor
US5960592A (en) * 1998-05-11 1999-10-05 Lucent Technologies Inc. Protective enclosure for outdoor equipment
FR2800767B1 (en) * 1999-11-08 2002-03-08 Georges Bernat PREFABRICATED PANELS FOR HALF-TIMBERED CONSTRUCTIONS AND THEIR IMPLEMENTATION METHOD

Also Published As

Publication number Publication date
DE10156226C1 (en) 2003-03-20
ES2253484T3 (en) 2006-06-01
EP1312873A1 (en) 2003-05-21
DE50205566D1 (en) 2006-04-06

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