EP3265732A2 - Method for drying building structures - Google Patents
Method for drying building structuresInfo
- Publication number
- EP3265732A2 EP3265732A2 EP16711160.8A EP16711160A EP3265732A2 EP 3265732 A2 EP3265732 A2 EP 3265732A2 EP 16711160 A EP16711160 A EP 16711160A EP 3265732 A2 EP3265732 A2 EP 3265732A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- building layer
- infrared radiator
- accessible
- temperature
- accessible building
- 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
Links
- 238000001035 drying Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 7
- 230000016507 interphase Effects 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003797 telogen phase Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/003—Small self-contained devices, e.g. portable
Definitions
- the present invention relates to a method for drying of buildings, in which in several iterations, first during a heating phase, an accessible building layer is heated by means of an oriented on this infrared radiator, and then draws moisture from deeper building layers during a resting phase.
- a device is already known from DE 698 06 000 T3.
- an infrared radiator is provided, which is mounted in a housing and is placed with this housing at a location to be dried of the floor. This floor area, as far as it lies below the infrared radiator, is then periodically irradiated, while the moisture-absorbing air located inside the housing and heated by the infrared radiation over time and removed from the building is removed by means of a suction device.
- a drying of a material to be dried is best carried out so that first takes place a heating and associated expulsion of moisture for a certain time and then exposed for a rest period, the irradiation with heat. During the rest period, the temperature in the building can then equalize and likewise the moisture can be distributed evenly. Subsequently, the process is repeated, so that the then re-entrained moisture is again removed in the second step, until in the end more or less the complete moisture has been removed from the structure.
- the above-mentioned document indicates the ratio of radiation time to interruption time of "approximately 2: 4".
- the radiation time and the interruption time are chosen more or less arbitrarily, which possibly represents a suitable solution for the relevant building material on which the development of the invention was based.
- the user will therefore first of all and then decide on the basis of his feeling for an adjustment of the radiation time and the interruption time.
- irradiation becomes ineffective after expelling the moisture in the front, irradiated areas and otherwise retreating the moisture deeper into the building, it remains unclear whether, in this way due to the user's arbitrary adjustments, excessive exposure and thus too high power consumption and possibly also too long duration of use and thus associated with a certain ineffectiveness.
- building drying essentially involves drying the more or less soaked parts of the building as quickly as possible and with as little energy as possible. In that regard, it makes sense to optimize existing procedures in order to achieve greater effectiveness.
- infrared radiators which represent the closest prior art
- dehumidifiers adsorption and fan heaters are also known, which regularly edit only the medium of the air to be dried and thus only indirectly reach the surface of the material concerned.
- core moisture is not, or only to a small extent, eliminated, because there is a residue of residual moisture, which is unavoidable due to the insufficient energy expenditure on the drying wall.
- the wall loses much of its proper function, namely protection against wind and weather.
- a wet or at least partially wet wall insulates significantly worse than a dry wall.
- drying after the damage usually after removal of wallpaper, wood paneling, plaster, etc. can be performed and the wall is thus in an ideal state before damage elimination.
- drying is not carried out completely and the protective coverings are replaced, this will cause part of the still present core moisture can slowly tighten, especially in time-lagged ideal conditions such as dry and warm air in the interior, and thus leads to mold and damage to the protective panels from the inside.
- the present invention has the object to provide a method for drying of buildings, which works much more efficient and thereby achieves better drying both in a shorter time and with less energy use. This object is achieved by a method for drying structures according to the features of claim 1. Further, useful embodiments of such a method can be taken from the subclaims.
- an infrared radiator is aligned with an accessible structural layer and that it is first heated for a heating phase. During a rest period, moisture can then follow from deeper building layers.
- the infrared radiator is equipped with a control unit, which in turn is data-connected to a database.
- a control unit which in turn is data-connected to a database.
- at least one heating time within which the infrared radiator is to irradiate the building layer and at least one rest period during which the building layer is not to be irradiated is specified in the database.
- the moisture After heating the upper layer and switching off the heat source, the moisture can escape well on the side facing the infrared radiator.
- the wall surface also cools down, because the further heat input is temporarily stopped and the evaporative cooling on the surface ensures a heat difference directed from the inside to the outside, which supports the retightening of the moisture.
- the time required for the respective building material to heat an effective layer varies and is material-dependent. The ideal value of
- Heat-up time provides the best possible drying times with the lowest possible energy input, thus creating the basis for the best re-drawing effects. It is also necessary to choose a suitable rest period. The determination of these times and, if necessary, also the intensity of the respective energy input is the subject of continuous research and experience from which the said database is fed.
- the next step is to determine the proper rest period, in which the moisture from the material inside can follow. Due to the solid barriers, porosities and capillary effects, each type of material has different times, in which it allows the moisture from the interior to draw in the drier, accessible building layer to the outside.
- the dry outer layer absorbs the moisture from the interior in a similar manner as a sponge, the water, the moisture and the temperature throughout the material are eager to spread evenly.
- control unit of the infrared radiator now essentially takes over the heat-up time and the rest period stored there, and will irradiate an accessible building layer in compliance with these times.
- the material-specific data set may additionally be assigned a nominal power consumption with which the infrared radiator is operated during the heating-up time. Accordingly, the control unit will specify a corresponding desired power consumption and limit the heating power as needed in the infrared radiator accordingly.
- the surface temperature of the accessible building layer can be detected using a temperature sensor of the infrared radiator with some advantage, so that not only the radiated power is in the foreground, but rather that power, too arrives in the building. In this way, a predetermined temperature of the accessible building layer can be sought, so that in the control unit ultimately a scheme is established, which holds over time the desired temperature at the surface of the accessible building layer.
- a desired temperature profile in the material-specific data set can be predetermined, which provides for an adaptation of the desired temperature over time .
- the control unit will adapt to the target temperature profile in question over time and switch on and off the infrared radiator in such a way that the surface temperature of the accessible building layer follows the desired temperature profile.
- a measurement of the temperature profile at the surface is performed permanently by means of a temperature sensor. Since the temperature at a fixed introduced power of the infrared radiator characteristically develops in different building materials, a conclusion about the material used can be drawn from such a temperature profile, so that due to such a sample irradiation, the selection of the material-specific data set automatically by the system, in particular through the control unit, can be done. Hereby an arbitrary selection of a material data set by a user is pre-empted so that incorrect operation can be avoided at this point.
- the prescribed method in such a way that the information which has initially arrived from the database is determined directly in the control device or an evaluation device provided for this purpose on the basis of predetermined arithmetic operations after such a test measurement. Also in the case of such a configuration can be optionally proceeded as described above, according to the various process operations, so find a fixed target power consumption, a temperature control or a temperature profile control use.
- a discharge of the heated air will take place, whereby this removal of the heated air takes place by convection or by means of a turbomachine.
- the convection can be intensified, for example, by making the infrared radiator diagonally opposite the accessible building layer, so that an upper edge of the infrared radiator is closer to the accessible building layer than a lower edge.
- a chimney effect will set, which accelerates the heated air upwards and thus quickly dissipates from the heated area.
- the discharged air can be guided along an air guiding device, which additionally has a cooling device, so that the moisture from the air will at least partially condense on the cooled air guiding device.
- FIG. 1 shows a graph of the drying process according to the present invention, wherein on the longitudinal axis the passing time, on the vertical axis the relative humidity 3, the moisture loss 4 of the wall and the over the infrared radiator striking the wall striking energy radiation 5 is plotted.
- the energy radiation 5 swings quickly after switching on a value and keeps this about as long as the infrared radiator is turned on. In the heating phase 1, the energy radiation 5 increases linearly and will remain constant at zero in the subsequent rest phase 2.
- a first heating phase 1 it can be established that, on the one hand, the moisture 4 contained in the wall initially drops sharply in order to remain approximately constant in a first resting phase 2. This is repeated again in the second heating phase. 1
- the third heating phase an inversion point is reached and it turns out that from here the moisture escapes from the wall mainly in the resting phases 2, but remains constant in the heating phases 1. This is because after an initial heating of the wall to be dried, the superficially bound moisture has escaped and only the deeper-seated moisture still remains in the wall. This will move out of the wall after the surface drying especially in the resting phase 2, when the moisture is no longer evades the applied heat.
- Wall and panel represent a characteristic whose course depends on the condition of the wall.
- the end of the heating phase 1 and the duration of the resting phase 2 are each selected so that a predetermined, material-dependent ideal value of the relative humidity 3 is achieved with the least possible power in the shortest possible time.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16711160T PL3265732T3 (en) | 2015-03-06 | 2016-03-07 | Method for drying of constructions |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015103351.8A DE102015103351A1 (en) | 2015-03-06 | 2015-03-06 | Process for drying structures |
PCT/EP2016/054813 WO2016142347A2 (en) | 2015-03-06 | 2016-03-07 | Method for drying building structures |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3265732A2 true EP3265732A2 (en) | 2018-01-10 |
EP3265732B1 EP3265732B1 (en) | 2021-05-05 |
Family
ID=55588219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16711160.8A Active EP3265732B1 (en) | 2015-03-06 | 2016-03-07 | Method for drying of constructions |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3265732B1 (en) |
CN (1) | CN107873067B (en) |
DE (1) | DE102015103351A1 (en) |
PL (1) | PL3265732T3 (en) |
WO (1) | WO2016142347A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202017101995U1 (en) * | 2017-04-04 | 2017-05-02 | IRES Infrarot Energie Systeme GmbH | Apparatus for drying structures |
PL3657110T3 (en) * | 2018-11-24 | 2022-04-25 | Sprint Sanierung Gmbh | Control apparatus for carrying out a process for drying an area of a structure to be dried, and process |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE882376C (en) * | 1950-03-14 | 1954-03-08 | Franz Hajek | Heat treatment, in particular drying, of parts of buildings |
DE3707002C1 (en) * | 1987-03-05 | 1988-07-21 | Nickel Heinrich | Process for preventing water from melted ice from being precipitated on internal surface areas on external parts of buildings and devices for carrying out the process |
FI905484A (en) * | 1990-11-05 | 1992-05-06 | Rakennustoimisto Jukka Napari | TORKNINGSFOERFARANDE OCH -ANORDNING. |
FI105950B (en) * | 1997-04-09 | 2000-10-31 | Antero Klemetti | Method and apparatus for dehumidifying and / or removing mold from a structure |
FR2837211B1 (en) * | 2002-03-14 | 2004-05-21 | Sunaero | METHOD FOR REPAIRING TANKS |
US6852183B2 (en) * | 2002-03-14 | 2005-02-08 | Sunaero | Method of sealing a hollow structure, for example a fuel tank for an aircraft |
JP2004044958A (en) * | 2002-07-15 | 2004-02-12 | Kyoto Kikai Kk | Surface temperature controller for gas infrared ray burner |
US20080090193A1 (en) * | 2006-10-11 | 2008-04-17 | Soanes Frederick A | Apparatus for heat treatment of materials and process for real time controlling of a heat treatment process |
US8820651B2 (en) * | 2008-04-23 | 2014-09-02 | Ishinoyu Co., Ltd. | Indoor environment regulating system |
US8693855B2 (en) * | 2009-05-07 | 2014-04-08 | Cambridge Engineering, Inc | Infra-red heater assembly |
US9631870B2 (en) * | 2013-04-03 | 2017-04-25 | The Boeing Company | Cure control for curable materials |
CN203810641U (en) * | 2013-09-29 | 2014-09-03 | 中铁电气化局集团北京建筑工程有限公司武昌分公司 | Temperature control apparatus for large-space building |
-
2015
- 2015-03-06 DE DE102015103351.8A patent/DE102015103351A1/en active Pending
-
2016
- 2016-03-07 WO PCT/EP2016/054813 patent/WO2016142347A2/en active Application Filing
- 2016-03-07 CN CN201680014210.3A patent/CN107873067B/en active Active
- 2016-03-07 EP EP16711160.8A patent/EP3265732B1/en active Active
- 2016-03-07 PL PL16711160T patent/PL3265732T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2016142347A2 (en) | 2016-09-15 |
DE102015103351A1 (en) | 2016-09-08 |
CN107873067B (en) | 2020-01-03 |
WO2016142347A4 (en) | 2016-12-29 |
PL3265732T3 (en) | 2021-11-08 |
EP3265732B1 (en) | 2021-05-05 |
CN107873067A (en) | 2018-04-03 |
WO2016142347A3 (en) | 2016-11-03 |
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