WO2003087676A1 - Systeme de manipulation de gaz - Google Patents

Systeme de manipulation de gaz Download PDF

Info

Publication number
WO2003087676A1
WO2003087676A1 PCT/SE2003/000579 SE0300579W WO03087676A1 WO 2003087676 A1 WO2003087676 A1 WO 2003087676A1 SE 0300579 W SE0300579 W SE 0300579W WO 03087676 A1 WO03087676 A1 WO 03087676A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
units
gas
gas handling
handling system
Prior art date
Application number
PCT/SE2003/000579
Other languages
English (en)
Inventor
Daniel Westberg
Gunnar Roos
Tobias SAGSTRÖM
Lisa Flawn Orpana
William Lawrance
Peder Evers
Original Assignee
Fläkt Woods AB
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 Fläkt Woods AB filed Critical Fläkt Woods AB
Priority to EP03721186A priority Critical patent/EP1497593B1/fr
Priority to DE60307080T priority patent/DE60307080T2/de
Priority to AU2003224528A priority patent/AU2003224528A1/en
Publication of WO2003087676A1 publication Critical patent/WO2003087676A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems

Definitions

  • the present invention relates to a gas handling system, such an air- handling unit, comprising at least one component such as a fan, filter, sound attenuator, humidifier, heater, cooler or heat exchanger. More particularly the present invention concerns the casing around said at least one component of the gas handling system and a method of constructing said casing.
  • Gas handling systems are often custom-built and delivered to customers as a single factory-assembled block or in a multitude of elements that have to be constructed on site.
  • gas-handling systems are constructed using a framework of galvanized or stainless steel parts that are joined together. Steel panels are attached to the framework to form the outer casing of the system and the components of the gas handling system are mounted onto the casing.
  • the construction of the outer casing is a complicated and time-consuming process as the metal panels have to be cut to shape and attached to the framework of the casing by riveting, screwing or welding. Manufacturing tolerances are high, as the elements constituting the system have to be produced with great precision to ensure accurate joining of the various parts.
  • the casing comprises many individual parts, which results in high material costs.
  • the system must be constructed with care and skill and mounting tools such as screwdrivers, riveting or welding tools are often required which also make the assembly costly.
  • Conventional systems are quite heavy and are thus inconvenient to transport and handle. In the event of failure of a component of the gas handling system or if maintenance work or cleaning needs to be carried out, access to, and/or removal of the components that are fastened to the casing is troublesome due to the necessary screwing and unscrewing.
  • a gas handling system comprising at least one component such as a fan, filter, sound attenuator, humidifier, heater, cooler or heat exchanger enclosed in a casing that comprises at least one unit whose constituent elements are glued together or a plurality of conjoined units that comprise sealing means to provide a gas-tight seal between adjacent units.
  • the gas handling system is constructed by prefabricating a plurality of individual units by gluing their constituent elements together, aligning the units and joining said units together for example by applying a force to the ends of casing to push the individual units together.
  • each unit comprises at least one channel that can be aligned with corresponding channels in other units when a plurality of units are joined together.
  • a channel can be used as a guide for a tension element that is used to draw a plurality of units together.
  • each unit is placed on a common beam or base plate and then a person can draw the units together without requiring any special tools.
  • the assembly work does not have to be carried out by a skilled person and because the casing is constructed first and then at least one component such as a fan, filter, sound attenuator, humidifier, heater, cooler or heat exchanger is inserted into said casing, great strength is not required.
  • An advantage of this type of assembly is that the person constructing the system does not need to have access to all sides of the units. He/she merely aligns the units and draws them together. This means that a system can, for example, be constructed adjacent to a wall or in a space-restricted location.
  • said channels contain connecting means between the components inside the casing i.e. electrical cables or optical fibres for transmitting signals between the components.
  • the connecting means do not hinder the flow of gas passing through the system as they are separated from the gas stream.
  • sealing means are applied between adjacent units to provide a gas-tight seal.
  • the sealing means can be adapted to seal off the channels from the gas passing through the gas- handling system.
  • Another possibility is to provide a light source, such as light emitting diodes, in a transparent channel along the inside of the casing so as to illuminate the inside of the system during maintenance or repair work or to aid monitoring of the system by sensors such as surveillance cameras when the system is in use.
  • the presence of surveillance cameras along the inside of the casing eliminates the need for inspection windows, which are common in conventional systems, which decreases the number of potential leak sites.
  • the units which can have any cross-sectional shape, have the same transverse dimensions so that they are interchangeable.
  • the individual units can be separated easily so the gas-handling system can be readily adapted to a different length or function to meet different/changing requirements.
  • systems can be modified easily by ordering new supplementary or replacement units. This dimensioning also aids efficient packaging, storage, handling, transportation and installation of the system.
  • the constituent elements of a unit comprise spacer means that position the elements at the optimum distance for gluing.
  • the spacer means can either be incorporated into the design of the constituent elements or can be placed in-between elements that are to be glued together during the assembly of the unit.
  • the glue used can be adapted to have vibration-damping properties.
  • the casing according to the present invention can be made of any material however according to a preferred embodiment of the invention the casing comprises a material having a density up to 3000kgm "3 , preferably in the range 100 to 500 kgm "3 thereby significantly reducing the weight of the gas handling system as compared to a conventional system.
  • the material is chosen to provide an inner casing surface that is at least one of the following: smooth, impenetrable, hygroscopic, non-hygroscopic, diffusion- and emission-free, wear resistant, thermally stable and/or chemical resistant.
  • the casing material comprises either a homogeneous material, such as a polymer/plastic, a composite, or a laminate fused by direct lamination under pressure and at high temperature such as ArtboardTM or a laminate fused by high-pressure lamination such as Perstorp LaminateTM. Both of these laminates are currently used as flooring.
  • the casing comprises material that is self-supporting and which does not require a supporting framework as a foundation.
  • ArtboardTM is a fiber composite laminate consisting of mainly thermoset plastic and glass fibre having a density of 160 kgm "3 . Using Artboard as the casing material can therefore reduce the weight of a gas handling system by up to 70%.
  • Perstorp LaminateTM is a thermoset composite plastic fused at high temperature and pressure to form cross-linked polymers providing a stable, homogeneous material. It consists of layers of kraft paper, a brown paper made from high-quality sulphate wood pulp impregnated with phenolic resin which form a strong, rigid core and paper impregnated with clear melamine resin which provides an enormous durable, smooth surface.
  • the internal corners of the casing are rounded to produce perfectly smooth internal walls making cleaning easier and reducing the number of sites at which unwanted matter such as dirt or moisture can collect. This can be done by inserting corner joint pieces for example.
  • the casing incorporates at least one drainage canal to facilitate cleaning of the system.
  • a gas handling system according to the present invention is therefore suitable for hygienic applications such as in a hospital, laboratory, in offshore or electronics applications or any other environment requiring a strictly controlled gas atmosphere.
  • the said at least one component making up the gas handling system is supported on a structure that is inserted into or removed from the system via openings in the casing.
  • This supporting structure can be a rack for example to which said component, or a plurality of components, is/are fastened. The components can thus held in place without having to be fastened to the casing.
  • the surface of the supporting structure that makes contact with the casing comprises a low friction material that aids its movement into and out of said casing.
  • the supporting structure moves along guide rails or low friction material fixed to the inside of said casing. Such an arrangement means that components can be easily and rapidly installed and subsequently removed from the system for maintenance, replacement or cleaning.
  • the supporting structure comprises a panel of material that forms part of the casing when the supporting structure is in position inside the casing.
  • figure 1 depicts the constituent elements of a single unit according to a preferred embodiment of the invention
  • figure 2 shows a constituent part of a unit according to a preferred embodiment of the invention
  • figure 3 illustrates a method of conjoining a plurality of units according to a preferred embodiment of the invention
  • figure 4 shows part of the casing of a gas-handling system according to a preferred embodiment of the invention.
  • figure 5 illustrates a casing material according to a preferred embodiment of the invention.
  • Figure 1 depicts the constituent elements of a single unit 10 having a square cross-section.
  • the unit can of course be of any cross-sectional shape and size so that it can accommodate either a single component or an entire gas handling system. Since the number of elements constituting a single unit can be reduced as by elimination of screws, the unit and thus the entire casing can be assembled at low cost.
  • the unit comprises small channels 11 that run along the length of the unit. These channels can be aligned with corresponding channels in other units and can be used as a guide for a tension element when conjoining a plurality of units, or for electric/optic cables or a light source for example.
  • the channels 11 can be located at the top, bottom and/or sides of the unit(s). Channels that carry light to illuminate the inside of the casing must run internally along the inside of the units however the channels used as guides for a tension element or to accommodate connection cables may also be located externally along the outside of the units.
  • Figure 2 shows part of the element 12 indicated in figure 1, which contains a channel 11 through which a tension element/electric or optic cable can be threaded.
  • the element comprises spacer means 13 to position adjacent elements at the optimum distance for gluing together.
  • Figure 3 illustrates a method of conjoining three prefabricated units 10.
  • the units are placed on a common beam, movable supporting means or on a low friction surface and tension elements 14, that are threaded through channels 11 running along the length of the units are used to draw the individual units together.
  • the method of constructing a casing therefore comprises the steps of prefabricating individual units each having at least one channel that can be aligned with corresponding channels in other units, aligning the units, threading a tension element through said channels and drawing said units together.
  • the units comprise sealing means 15 to provide a gas-tight seal between adjacent units.
  • the sealing means 15 are arranged to seal off the channels 11 from the gas stream.
  • Figure 4 shows two conjoined units 10.
  • One of the units contains a component (not shown) of a gas handling system that is supported on structure 16 that can be inserted into and removed from the system.
  • the units comprise removable panels or doors that are sealed to the smooth outer surface of the casing once the components of the gas handling system have been placed inside the casing.
  • the supporting structure 16 that bears the component is constructed to include a panel that provides part of the casing when it is in place inside the system.
  • Figure 5 shows a preferred casing material for a gas handling system. It comprises a laminate 18 having a core 19 consisting of layers of brown paper made from high-quality sulphate wood pulp impregnated with phenolic resin. The surfaces 20 of the laminate comprise paper impregnated with clear melamine resin. The laminate can be modified to contain energy absorbing material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treating Waste Gases (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Glass Compositions (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

La présente invention se rapporte à un système de manipulation de gaz comportant au moins un composant du type ventilateur, filtre, atténuateur acoustique, humidificateur, élément chauffant, refroidisseur ou échangeur thermique enfermé dans un boîtier qui est fabriqué à partir d'au moins une unité (10) dont les éléments constituants sont collés les uns aux autres.
PCT/SE2003/000579 2002-04-09 2003-04-09 Systeme de manipulation de gaz WO2003087676A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP03721186A EP1497593B1 (fr) 2002-04-09 2003-04-09 Systeme de manipulation de gaz
DE60307080T DE60307080T2 (de) 2002-04-09 2003-04-09 Gasbehandlungssystem
AU2003224528A AU2003224528A1 (en) 2002-04-09 2003-04-09 Gas handling system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0201061-9 2002-04-09
SE0201061A SE525055C2 (sv) 2002-04-09 2002-04-09 Gasbehandlingssystem inneslutet i ett hölje som består av ett flertal med varandra förbundna enheter, samt en metod att konstruera och användning av ett sådant system

Publications (1)

Publication Number Publication Date
WO2003087676A1 true WO2003087676A1 (fr) 2003-10-23

Family

ID=20287523

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2003/000579 WO2003087676A1 (fr) 2002-04-09 2003-04-09 Systeme de manipulation de gaz

Country Status (7)

Country Link
EP (1) EP1497593B1 (fr)
AT (1) ATE334356T1 (fr)
AU (1) AU2003224528A1 (fr)
DE (1) DE60307080T2 (fr)
DK (1) DK1497593T3 (fr)
SE (1) SE525055C2 (fr)
WO (1) WO2003087676A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2471292A (en) * 2009-06-23 2010-12-29 Flakt Woods Ltd Air handling unit comprised of a foamed or expanded material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519457A1 (de) * 1975-05-02 1977-02-17 Mabag Luft & Klimatechnik Luftbehandlungsvorrichtung, insbesondere lueftungs- oder klimageraet
SE417641B (sv) * 1979-08-02 1981-03-30 Hisaka Works Ltd Plattvermevexlare
EP0454228A1 (fr) * 1990-04-25 1991-10-30 Christienus Wieger Lubbers Installation de conditionnement d'air dans des locaux de travail

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519457A1 (de) * 1975-05-02 1977-02-17 Mabag Luft & Klimatechnik Luftbehandlungsvorrichtung, insbesondere lueftungs- oder klimageraet
SE417641B (sv) * 1979-08-02 1981-03-30 Hisaka Works Ltd Plattvermevexlare
EP0454228A1 (fr) * 1990-04-25 1991-10-30 Christienus Wieger Lubbers Installation de conditionnement d'air dans des locaux de travail

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FLIK B.: "Luftbehandlings-aggregat EU 2000", PRODUCT SHEET: N48, D-408, PRODUCT CATALOGUE FROM ABB VENTILATION PRODUCTS, 2000, pages 1, 6, XP002904960 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2471292A (en) * 2009-06-23 2010-12-29 Flakt Woods Ltd Air handling unit comprised of a foamed or expanded material
GB2471292B (en) * 2009-06-23 2013-09-11 Flakt Woods Ltd An air handling unit

Also Published As

Publication number Publication date
DK1497593T3 (da) 2006-11-27
AU2003224528A1 (en) 2003-10-27
EP1497593B1 (fr) 2006-07-26
SE525055C2 (sv) 2004-11-23
DE60307080T2 (de) 2007-02-08
EP1497593A1 (fr) 2005-01-19
ATE334356T1 (de) 2006-08-15
DE60307080D1 (de) 2006-09-07
SE0201061D0 (sv) 2002-04-09
SE0201061L (sv) 2003-12-08

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