EP0807235A1 - Procede et dispositif de dessiccation de batiments et/ou de composants fixes - Google Patents

Procede et dispositif de dessiccation de batiments et/ou de composants fixes

Info

Publication number
EP0807235A1
EP0807235A1 EP96945890A EP96945890A EP0807235A1 EP 0807235 A1 EP0807235 A1 EP 0807235A1 EP 96945890 A EP96945890 A EP 96945890A EP 96945890 A EP96945890 A EP 96945890A EP 0807235 A1 EP0807235 A1 EP 0807235A1
Authority
EP
European Patent Office
Prior art keywords
drying
building
resonator elements
magnetron
dried
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
EP96945890A
Other languages
German (de)
English (en)
Other versions
EP0807235B1 (fr
Inventor
Detlef Steinbach
Alfred Ludewig
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.)
ASTON AG
Original Assignee
Detlef Steinbach
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 Detlef Steinbach filed Critical Detlef Steinbach
Publication of EP0807235A1 publication Critical patent/EP0807235A1/fr
Application granted granted Critical
Publication of EP0807235B1 publication Critical patent/EP0807235B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
    • F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/70—Drying or keeping dry, e.g. by air vents
    • E04B1/7007—Drying or keeping dry, e.g. by air vents by using electricity, e.g. electro-osmosis

Definitions

  • the invention relates to the technical field of drying buildings and / or stationary components by removing moisture that has arisen due to the construction or has been penetrated by external influences with the aid of high-frequency energy radiation.
  • Tive air humidity has as the natural layer of air, which is in contact with the surface to be dried, and has an elevated temperature, in particular above the dew point.
  • DE 33 06 044 describes a technical solution according to which dry air is pressed into a building gap and moist air is drawn off at another point in this building gap.
  • DE 38 15 161 describes an approximately identical solution to drying by pressing in dry air and extracting moist air between layers, with which in particular insulating materials are to be dried under screed layers.
  • DE 40 21 710 describes a device which likewise, but here as a continuous dryer, dries an item on a conveyor belt with heaters and blown hot gas.
  • the moisture is accumulated hygroscopically or capillary.
  • the hygroscopic material is used up and is regenerated or disposed of.
  • Capillary systems can be used as often as required after regeneration and can hardly be used with temperature or humidity restrictions.
  • the state of the art of such a type of drying is described, among other things, in DE 40 09 691.
  • the air is forced through an adsorbing or absorbing dry material, the air being in a less moist or completely dry state promotes and then the regeneration of the dry material is carried out by heat at the appropriate time.
  • blowers that flank the moisture are usually flanked removed from the component and / or the building or additionally used for blowing warm air.
  • high-performance fans / blowers are used
  • the moisture front better the peak of the moisture distribution within the component to be dried, is displaced into the interior of the component. If the moisture / moisture distribution shifted in this way cannot escape through the outer sides due to unfavorable structural and / or structural conditions, the drying process is considerably delayed or even impossible. In the case of unfavorable constellations, the heating of the inner layer can even lead to an increase in moisture after completion of the drying work. If there are diffusion-inhibiting wall coverings and / or wall structures, for example if full thermal insulation is applied, almost no moisture is released from the facade. In the case of existing hollow hole masonry, the wall is preferably drilled and hot air is blown out.
  • a similar device is shown in DE 39 07 248, which dries asphalt granulate by passing through a microwave field with a trough body with a dome and tubular inlets and outlets and with a screw conveyor.
  • the technical solution according to DE 33 32 437 also works according to the principle of microwave irradiation of a stored item in a vacuum dry container, which alone results in a restriction to relatively small spatial sizes of the vacuum container and also the dry goods.
  • the above-mentioned container solutions are only suitable for the treatment of loose, movable goods of small dimensions, but in no way for the drying of built structural parts or parts of buildings. The accommodation of larger objects within the range of high-energy radiation simply fails at the limit of the cost-benefit ratio.
  • a second case group of the known microwave dryers are the stationary arrangements as partially open or open systems, which are equipped with conveyors on which the material to be dried is passed through a microwave field and is thus heated or dried.
  • Representatives of these technical solutions are DE 92 12 825 - as a combination with the conventional hot air drying of bulk material by convection -, DE 31 14 251
  • the invention has for its object to provide a method and an arrangement for drying buildings and / or stationary components, wherein the acceleration of the liquid outlet at the component interfaces with the air is made possible by means of electromagnetic energy radiation and the costs for shielding radiation emissions are in economically justifiable areas.
  • the water to be removed should not be passively involved in the drying process, but should itself act as an active component in that it itself acts as a medium for energy transfer, thus itself contributing to its removal and thus one Drying of the building part is effected from the inside.
  • the object of the invention should also be to design the drying process on the above-mentioned parts in extremely short times for this technical area, in a dry time area of at most a few hours, regardless of the climatic ambient conditions and on complicated building structures that hardly use warm air blowing or from which moist air can hardly be extracted.
  • the aim of the invention should be to produce an exact calculation of the drying process and thus to create reliable planning bases for the construction process.
  • the invention is not intended to be presented in a stationary system, but rather a mobile arrangement is to be created which also ensures the mobility of the method.
  • resonator elements are arranged that fulfill the function of emitting and exciting vibrations of the high-frequency energy radiation.
  • magnetrons which perform the function of generating these high-frequency electromagnetic waves, are connected to the resonator elements via waveguides.
  • Shielding elements and / or radiation reflectors are attached to and / or in the building.
  • the components to be dried are treated with a continuous or pulsed emission of the energy radiation for a limited time.
  • the spatial and numerical arrangement of the relevant essential parts of the resonator element, magnetron, waveguide and shielding and / or reflector element mainly depends on the conditions of the building substance to be dried.
  • the resonator elements in the form of a metal-coated film are molded into them immediately with the manufacture of the components of the construction in the prefabrication or on the construction site itself, these then also having a double function Take over the previous task of the barrier film, particularly in the case of complicated floor structures.
  • Such resonator elements can also be molded as metallic rods, bars, grids, nets or the like into the structural parts to remain or attached to them. Er ⁇ in their indentation they also fill often in parallel with the function of Bauteilarm ist / - occidentalmaschinekung V. In such a case, connections are made by means of coupling points and via waveguides to the magnetron. Such connections are also provided if the magnetron is to be set up outside the building and the energy radiation generated into the interior of the building
  • resonators are set up in the form of an antenna arranged centrally in the room.
  • reflectors which consist of metal plates, foils, grids or nets, are attached to / in the area of the area to be dried out.
  • a translatory or rotary movement of the magnetrons over the (large) surface to be treated is carried out with further position-changeable devices provided for the arrangement, such as pulling devices, pulling slides, roller wheels and slideways, including those required for this
  • Aids such as ropes, effect, whereby a more even drying, but also rationalizing effects are achieved.
  • parts of the building which are arranged vertically in the building, such as walls, columns, magnetrons with or without a cooling device by means of sliding or rolling drawing slides, possibly sliding or rolling, tubular device carriers and pulling devices, which may have synchronous devices Reflector elements are connected, moved along these aforementioned structural parts at a defined speed which is dependent on the drying conditions.
  • the high-frequency electromagnetic waves are also applied to these components or areas of the building, with heating occurring inside the components or areas of the building and water vapor development and migration to the outside, ie drying of the components from the inside to the outside, without that, as before, considerable amounts of moisture remain inside the building parts. All of the aforementioned means, including any necessary shielding elements on structural parts, are carried out in a transportable manner, if not molded in from the start or by prefabrication, thereby ensuring mobility in the process and the required arrangement of the individual elements of this drying arrangement .
  • Fig. 1 shows the representation of a drying of an entire room or all building parts surrounding the room.
  • Fig. 2 and Fig. 3 show the drying of masonry parts.
  • Fig. 4 shows the drying of a flat roof.
  • Embodiment 1 - Fig. 1 drying of an entire room
  • a resonator 4 which effects the function of transmitting and exciting vibrations, is connected to a magnetron 2, which generates the high-frequency electromagnetic waves, via a waveguide 3 and set up centrally in the room.
  • the resonator 4 is rotatably arranged so that the high-frequency energy radiation all the outer and inner walls 1 including floor 1 and ceiling 1 of the part of the building reaches and penetrates into it, the point of attack of the drying process and its arrangement not being placed on the wall surfaces, as was previously the case, but in the interior of the component, ie the water vapor diffusion is effected from the inside out.
  • the penetration depth is determined by the moisture contained and the material of the respective component.
  • Form of e.g. metallic grids or nets enclose the room to be irradiated. This is achieved in accordance with the proposed inventive teaching in this exemplary embodiment by means of a metal grid incorporated into the plaster during construction.
  • the energy supply to the drying arrangement which here is more than 25 kW, is realized either from the outside via a generator or from the interior of the building by means of electrical safety devices.
  • the initial energy expenditure is reduced by more than 50% with the expenditure of time.
  • the applicable safety regulations e.g. DIN IEC 27 (C0) 48 / VDE 0721 part 3011 must be applied, whereby a restricted zone / safety zone is placed around the room to be dried and the power density of the
  • Beam 14 is designed so that it does not exceed 50 W / m.
  • Wet masonry parts 1 are by means of a magnetron 2 with cooling system 2a and a generator (power supply) 6, which are all located in one housing, are exposed to high-frequency energy radiation.
  • Embodiment 3 - Fig. 3 drying by means of a mobile carriage that can be extended as desired
  • a magnetron (with cooling system) 2 which is located in a housing, which in turn is designed as a drawing slide 9 with roller wheels 10 and connected to a generator 6, is attached to a structural part 1, for example a bridge pillar or a dam, by means of steel cables 7 defined speed from top to bottom. This enables drying in hard-to-reach places.
  • This pull slide 9 serves as a device carrier which can be extended as desired, which contains magnetrons 2 with a cooling system and is connected to the power supply unit. To carry out the method, this drawing slide 9 is moved on a slideway 11 over the surface to be dried. Utilizing the reinforcement 12 incorporated into the structure 1, which in this case acts as a reflector and accelerator, the large area here is dried in a short time.
  • a certain number of different magnetrons 2, which are connected to the power supply unit 6, are arranged in a flexible tubular structure 13. These magnetrons 2 can both work with the same frequency spectrum as well as each one with a different frequency spectrum. If necessary, reflectors can be attached to or in the area to be dried out on the relevant building parts or areas 1. The result of this is that, in addition to flat structural parts, such as floors, where the arrangement is used like a drawing slide, also more complicated structural areas, such as, for example, complicatedly designed foundation parts, sewers, pipe and cable ducts can be dried with the proposed technical solution.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Electromagnetism (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

L'invention concerne le domaine technique de la dessiccation d'immeubles, de parties de bâtiments et/ou de composants fixes, même ceux situés à l'extérieur. L'humidité générée par la construction ou ayant pénétré sous une action extérieure est éliminée à l'aide d'un rayonnement d'énergie haute fréquence. La solution de l'invention consiste à disposer dans la zone du matériau de construction (1) des éléments résonateurs (4) chargés d'émettre des vibrations et à relier les éléments résonateurs par l'intermédiaire de guides d'ondes (3) à un magnétron (2) destiné à produire des ondes électromagnétiques haute fréquence. Le dispositif ainsi obtenu permet d'effectuer l'émission du rayonnement d'énergie. Les éléments résonateurs (4) peuvent être disposés de manière fixe ou mobile. Selon d'autres versions de l'invention, les éléments résonateurs (4) sont intégrés au matériau de construction (1) lors de son installation et y restent après la dessiccation.
EP96945890A 1995-12-01 1996-11-19 Procede et dispositif de dessiccation de batiments et/ou de composants fixes Expired - Lifetime EP0807235B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19544889 1995-12-01
DE19544889A DE19544889A1 (de) 1995-12-01 1995-12-01 Verfahren und Anordnung zur Trocknung von Gebäuden und/oder ortsfester Bauteile
PCT/DE1996/002231 WO1997021060A1 (fr) 1995-12-01 1996-11-19 Procede et dispositif de dessiccation de batiments et/ou de composants fixes

Publications (2)

Publication Number Publication Date
EP0807235A1 true EP0807235A1 (fr) 1997-11-19
EP0807235B1 EP0807235B1 (fr) 1999-09-22

Family

ID=7778959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945890A Expired - Lifetime EP0807235B1 (fr) 1995-12-01 1996-11-19 Procede et dispositif de dessiccation de batiments et/ou de composants fixes

Country Status (9)

Country Link
EP (1) EP0807235B1 (fr)
AT (1) ATE184984T1 (fr)
CZ (1) CZ223997A3 (fr)
DE (2) DE19544889A1 (fr)
DK (1) DK0807235T3 (fr)
HU (1) HUP9800815A3 (fr)
NO (1) NO973110L (fr)
RU (1) RU2170398C2 (fr)
WO (1) WO1997021060A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE517262C2 (sv) * 1998-04-29 2002-05-14 Leif Goesta Zettergren Förfarande för skydd mot mikrovågsstrålning vid torkning av våtskadade utrymmen
DE19846611A1 (de) * 1998-10-09 2000-04-13 Prozesautomation Kohler Gmbh Mikrowellentrockner
DE19855555C2 (de) * 1998-12-02 2001-03-15 Linn High Therm Gmbh Heizeinrichtung
ITVI20020116A1 (it) * 2002-06-03 2003-12-03 Rf Systems Srl Dispositivo per il riscaldamento e/o l'essiccazione di superfici
DK1374676T3 (da) 2002-06-17 2006-11-20 Silvia Hofmann System og fremgangsmåde til udryddelse af træödelæggende insekter og svampe og til behandling af med skadelige stoffer forurenede materialer
DE10248666C1 (de) 2002-10-16 2003-12-24 Hartwig Pollinger Verfahren zur Trocknung von Booten aus Holz- und/oder Kunststoffwerkstoffen
DE102006054355A1 (de) * 2006-11-17 2008-06-05 Büsch, Werner, Dipl.-Volksw. Verfahren und Vorrichtung zur Entfeuchtung
DE202010001410U1 (de) * 2010-01-25 2010-05-27 Helmholtz-Zentrum Für Umweltforschung Gmbh - Ufz Vorrichtung zur Trocknung und Dekontamination von Mauerwerk, Beton, Holz und anderen Feststoffen
DE102016107550B4 (de) * 2016-04-22 2021-09-16 Helmholtz-Zentrum Für Umweltforschung Gmbh - Ufz Verfahren und Vorrichtung zur thermischen Behandlung von Feststoffen

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Publication number Priority date Publication date Assignee Title
DE276330C (fr) *
JPS5344065B2 (fr) * 1974-04-17 1978-11-25
FR2571201B1 (fr) * 1984-10-02 1987-01-02 Valeo Procede de chauffage dans la masse d'une substance par exemple en vue d'une vulcanisation ou d'une polymerisation
DE3644920A1 (de) * 1986-03-07 1987-12-23 Bosch Siemens Hausgeraete Mikrowellenofen
DE3623511A1 (de) * 1986-07-11 1988-01-21 Max Wagner Verfahren und vorrichtung zum trocknen von keramischen hohlkoerpern
US4765773A (en) * 1987-02-27 1988-08-23 Hopkins Harry C Microwave highway paint drying apparatus
DK86888A (da) * 1988-02-19 1989-08-20 Winterthur Borgen A S Fremgangsmaade ved behandling af bygningskonstruktioner, der er inficeret med skadelige organismer, til uskadeliggoerelse af disse
DE4009691A1 (de) * 1989-03-28 1990-10-04 Gisip Inventor Ab Lufttrocknung mittels mikrowellen und einrichtung dafuer
IT1245314B (it) * 1990-06-21 1994-09-19 Immobiliare Centro Nord Spa Procedimento e forno per accelerare la stagionatura di conglomerati cementizi.
FR2664796A1 (fr) * 1990-07-18 1992-01-24 Moreau Sa Procede de nettoyage de racines et tubercules, notamment de betteraves, apres leur arrachage.
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Also Published As

Publication number Publication date
HUP9800815A3 (en) 2002-07-29
HUP9800815A2 (hu) 1998-07-28
RU2170398C2 (ru) 2001-07-10
DE19544889A1 (de) 1997-06-05
ATE184984T1 (de) 1999-10-15
DE59603156D1 (de) 1999-10-28
EP0807235B1 (fr) 1999-09-22
DK0807235T3 (da) 2000-03-27
NO973110L (no) 1997-09-26
NO973110D0 (no) 1997-07-04
CZ223997A3 (en) 1997-11-12
WO1997021060A1 (fr) 1997-06-12

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