EP1078209B1 - Verfahren zur haltbarmachung von schnee - Google Patents
Verfahren zur haltbarmachung von schnee Download PDFInfo
- Publication number
- EP1078209B1 EP1078209B1 EP99950363A EP99950363A EP1078209B1 EP 1078209 B1 EP1078209 B1 EP 1078209B1 EP 99950363 A EP99950363 A EP 99950363A EP 99950363 A EP99950363 A EP 99950363A EP 1078209 B1 EP1078209 B1 EP 1078209B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- snow
- coolant
- cooling mat
- mat device
- cooling
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
Definitions
- the invention relates to a method for Preservation of snow.
- the object of the present invention is therefore to to create a process can be made so durable by the snow that the Nature as little as possible damaged or even protected becomes.
- the main advantage of the present invention is in that by simply laying out cooling mats at desired Areas of a ski slope can be reached that the surface for artificial or natural snow is cooled so far is that an undesirably fast melting of the natural or Artificial snow can be avoided. Because in this way to the critical points mentioned in a relatively simple manner Nature or artificial snow can be prevented from defrosting quickly can ensure a significantly longer ski operation become. In particular, race and downhill routes can also for staging ski races and the like in the invention Way to be preserved, so that the execution such competitions are relatively independent of the weather conditions can be ensured. In addition, too ensures that all skiers during such a competition, as far as possible, find the same conditions.
- the main advantage of the present invention is however, in that in conventional snow cannons enormous water consumption because of the preservation of the Snow can be reduced. Because the related of the present invention for the application of cooling mats Have cables with a very small diameter, there is only a relatively small coolant requirement.
- the coolant used is glysantin or similar environmentally friendly coolants that are preferred have a coloration in the event of a line break indicates the point of interruption in the snow. For repairs can then get access to the fault location particularly easily and the pipe can be made simply by heating and melting it be disconnected from the system, the function of the entire system is essentially preserved.
- FIG. 1 is based on the inventive method a surface 1 on which snow can be preserved a cooling mat device 2 is designed.
- the underground 1 is, for example, a particularly critical highly stressed part of an alpine descent, the area of a valley run of a ski area, a Alpine downhill or slalom course or the like.
- the cooling mat device 2 comprises a coolant supply line 21, a coolant return line 22 and running between them Line loops 23.
- the coolant supply line 21 is fed by a pump 3, which is connected via a line 4 the coolant is taken from a coolant reservoir 5. Of the coolant passes through the supply line 21 Loops 23 on the area 1 to be cooled and finally to the coolant return line 22 and from this back in the coolant reservoir 5 (line 7).
- Coolant is an environmentally friendly coolant, preferably around glysantin. These are preferably Coolant reservoir 5 and the pump 4 in a housing 6 or shelter movable or stationary and is the cooling mat device 2 when it is on the ground 1 is not required, can also be stowed in the housing 6.
- FIG. 2 shows a cross section through the present Cooling mat device 2.
- a cooling mat device 2 arranged, the individual loops 23rd exists with the feed line 21 and the return line 22 are connected.
- Snow and ice protection layer 8 which protects the substrate 1 from mechanical Protects damage.
- Such a snow and Ice protection layer 8 also arises on the surface of the coolant device 2.
- the lines of the conductor loops 23 of the arrangement of Figure 1 has a length of six meters, can with the Arrangement of Figure 1 a width of the substrate 1 of six meters. If with the same mat device the feed line 21 and the return line 22 in separated from each other as shown in Figure 3 can be a width of the subsurface 1 of twelve meters be covered.
- the mat device 2 can be of any length, because at the free ends of the feed line 21 and the Return line 22 used as the end of plug parts 24 are. These plug parts 24 can be removed for extension so that additional mat equipment parts on the lines 21 and 22 can be connected, which in turn, unless they are to be extended, and therefore only intermediate parts represent completed by the plug parts 24 become.
- knob-like projections 30, 30 ' are connected from below and / or above with the lines 23 or 23 'are connected.
- These knob-like projections 30, 30 ' which protrude downwards or upwards via the lines 23, 23 ', are preferably open downwards or upwards, so snow and / or ice can get caught in them. This yields the advantage that the snow has an even better grip on the mat device. For this reason, the Lines 23 and 23 'better from external influences, such as them e.g. caused by ski edges or snow groomers.
- the tapes run in the longitudinal direction of the mat device 2 (Fig. 5).
- the elements 31 preferably have the shape of the shape of the circular wire cross-sections adapted cap parts, which also are circular and on the lines 23, 23 ' are attachable. That way the tapes are with the Projections 30, 30 'on the lines 23, 23' in the transverse direction the mat device can be moved and moved at any time removable again.
- Preferably with such Tap several mat devices in the longitudinal direction with each other get connected.
- the lower projections 30 serve as spacers to the ground therefore uses and protects the mat device 2 in front of stones or other objects.
- the lower protrusions 30 and the upper protrusions 30 'can can be attached to one another by plug connections 33.
- the Tapes expediently only on one line 23 each Loop attached, with the other wire of the loop preferably in the distance between two adjacent top Projections 30 'is inserted.
- the cooling mat device 2 which consists of several cooling mat parts is composed on a substrate 1 with already existing layers of snow is laid, pushes one Snow groomer or other clearing device first a layer of snow for example 30 cm deep from an existing one Surface of the subsurface 1, for example a ski slope, so that a smooth surface is created on which the Cooling mat parts of the cooling mat device 2 designed and via flexible plastic hoses with the coolant reservoir 5 can be connected.
- the designed cooling mat device 2 can then in areas snow cannons with artificial snow or it can snow from the edge of the cooling mat device 2 with the Applied to the cooling mat device 2 with the aid of the piste roller become. In the latter case, care must be taken that the cooling mat device 2 before driving on the piste roller is not cooled because the individual cooling mat parts could break when driving on the snow groomer.
- the type of installation described above can advantageously a relatively large one in a short time Snow surface on the subsurface 1 can be preserved. This procedure is particularly recommended in spring (February to April) when exposed to strong sunlight and Warming the subsurface 1 Thaw individual areas of the slope or for the temporary preservation of snow in parking lots or the like during the execution of large events.
- a method in which the Cooling mat parts on an existing one on the surface 1 Layer of snow are applied and to a cooling mat device 2 can be connected. Then through the cooling mat device 2 heated coolant, for example heated in the coolant reservoir 5 to about 20 to 60 ° C. was initiated, the individual cooling mat parts warmed up so that they already exist on the surface 1 Sink a layer of snow.
- heated coolant for example heated in the coolant reservoir 5 to about 20 to 60 ° C.
- the cooling mat facilities can by warming up in the manner described above, for example to 40 ° C with warm water, so that they are out melt out the snow, becoming elastic and can also be cleaned at the same time. It is an advantage that there are no layers of ice when the snow melts. Seen from the point of view of environmental protection, corresponds this is a natural Ausapern.
- plastic hoses mentioned are expediently rolled up on hose reels and can therefore be used in a short time Time unrolled on demand from these hose reels on site become. This brings a considerable space saving Transport and storage. Likewise, the flexible Plastic hoses also for repairing damaged lines of the cooling mat parts are used.
- connection between the cooling mat device 2 and the coolant reservoir 5 are turned off after the cooling mat device 2 initially, preferably about 24 hours with one Coolant temperature of about -11 ° C to -20 ° C, was cooled.
- Even in strong sunlight, as they are in particular occurs in the months of March and April are also after four up to five days no major changes are expected.
- the hard snow layer from about 20 to 40 cm becomes only through very strong solar heating and in particular due to a rise in soil temperature in spring impaired. In the cold season, in the months of No impairments are expected from November to February.
- Cooling device in the coolant reservoir 5 at the beginning of the cooling period approx. 24 hours in the area of the cooling mat device 2 builds up a layer of hard snow.
- This cooling device can then mined and for another field to be cooled with another Cooling mat device can be connected.
- measuring sensors 40 are preferably installed, which via a line 41 the state of the respective Report cooling mat device 2 to a central computer 50 ( Figure 1).
- a certain value preferably the ratio from snow temperature to snow depth in the range of Cooling mat device is undercut, can then small device of approx. 9 kW coolant suitable for circulation cooling from the coolant reservoir 5 to the cooling mat device 2 deliver. This can save cooling devices.
- the individual lines 23, 23 'of the cooling mat parts can advantageously in the event of damage with the help a specially prepared gas soldering iron from a power supply fully functional, even when lying in the snow are welded together. It was determined, that one manufactured in this way with PE lines Welded joint withstands a pressure of approx. 35 bar. Since the Operating pressure is around 2 bar, this is more than sufficient.
- the present cooling mat device 2 is already on one applied with a layer of snow covered with snow 1 or directly with spacers on one snow-free surface 1 is applied so that from the ground there is a distance of about 10 to 25 cm, forms the cooling mat device 2 between the substrate 1 and the cooling mat device a layer of snow as a snow buffer that prevents air insulation of the ground, so that the vegetation is not affected.
- the resulting hard snow layer is comparable to natural ice sheets on slopes.
- Cooling mat devices can be cooled or heated guarantee constant conditions of competition for all participants, because it keeps the soil temperatures constant can be. For example, it can be avoided that the Inrun track of a ski flying hill in the morning frozen and heavily is very soft in the afternoon. For example, too Laying bridges over streams in the course of ski slopes of the present cooling mat devices with a durable made snow layer. It is also conceivable on a surface even in relatively little snow reliable Areas of cross-country skiing by laying out the present Manufacture cooling mat devices and operate them for a long time.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Structures (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Description
- Figur 1
- eine schematische Darstellung zur Erläuterung des erfindungsgemäßen Verfahrens zum Haltbarmachen von Schnee;
- Figur 2
- einen Querschnitt durch die im Zusammenhang mit der Erfindung verwendete Matteneinrichtung, und
- Figur 3 bis 5
- Weiterbildungen der Erfindung.
Claims (19)
- Verfahren zur Haltbarmachung. von Schnee auf vorgegebenen Bereichen eines natürlichen Untergrundes (1), wobei auf diesen Bereichen eine Kühlmatteneinrichtung (2) ausgelegt wird, der über eine Kühlmittel-Zuführleitung (21) ein Kühlmittel zugeführt und über eine Kühlmittel-Rückführleitung (22) das Kühlmittel entnommen wird, dadurch gekennzeichnet, daß die Kühlmatteneinrichtung (2) auf einer Schneeschicht verlegt wird, die sich bereits auf dem natürlichen Untergrund (1) befindet und mit einer Walze oder dergleichen zuvor eingeebnet wurde, und daß danach eine weitere Schneeschicht auf die Kühlmatteneinrichtung (2) aufgebracht und diese gekühlt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Kühlmittel einem Kühlmittel-Reservoir (5) durch eine Pumpe (3) entnommen und der Kühlmittel-Zuführleitung (21) zugeführt wird und daß das Kühlmittel über die Kühlmittel-Rückführleitung (22) in das Kühlmittel-Reservoir (5) zurückgeführt wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß als Kühlmittel Glysantin oder ein anderes umweltverträgliches Kühlmittel verwendet wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß gefärbtes Kühlmittel verwendet wird, um ein Leck der Kühlmatteneinrichtung (2) durch Verfärbung des Schnees anzuzeigen.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Oberfläche des Untergrundes (1) durch die Kühlmatteneinrichtung (2) auf eine Temperatur von etwa -3° bis etwa -7° C gekühlt wird.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß auf die Kühlmatteneinrichtung (2) von der dem Untergrund (1) abgewandten Seite her zur Bildung der weiteren Schneeschicht Kunst- oder Naturschnee aufgebracht wird.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Kühlmatteneinrichtung (2) durch Verbinden der Kühlmittel-Zuführleitungen (21) und der Kühlmittel-Rückführleitungen (22) mehrerer Kühlmattenteile hergestellt wird.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Kühlmatteneinrichtung (2) nach dem Aufbringen auf die Schneeschicht erwärmt wird, wobei sie in die Schneeschicht einsinkt und daß die Kühlmatteneinrichtung (2) danach gekühlt wird.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß das Erwärmen durch Erwärmen des Kühlmittels im Kühlmittel-Reservoir (5) erfolgt.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß das Kühlmittel auf etwa 20 bis 60° C erwärmt wird.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß das Erwärmen durch Hindurchleiten von warmen Wasser durch die Kühlmatteneinrichtung (2) erfolgt.
- Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Kühlmatteneinrichtung (2) zum Abbau vom natürlichen Untergrund (1) durch Hindurchleiten von warmen Wasser aufgetaut und dabei aus der Schneeschicht und der weiteren Schneeschicht herausgeschmolzen wird.
- Verfahren nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Kühlmattenteile der Kühlmatteneinrichtung (2) untereinander mit flexiblen Kunststoffschläuchen verbunden werden.
- Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß durchsichtige Kunststoffschläuche verwendet werden.
- Verfahren nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Verbindung der Zuführleitung (21) und der Rückführleitung (22) mit dem Kühlmittel-Reservoir (5) über Rückschlagventilanschlüsse erfolgt, die ein Ausfließen von Kühlmittel verhindern.
- Verfahren nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß die Kühlmatteneinrichtung (2) nach dem anfänglichen Abkühlen nur temporär gekühlt wird, wenn ein vorbestimmter Wert unterschritten wird, der einem Haltbarkeitszustand des von der Kühlmatteneinrichtung (2) gekühlten Schnees betrifft.
- Verfahren nach Anspruch 16, dadurch gekennzeichnet, daß der vorbestimmte Wert aus dem Verhältnis der Schneetemperatur zur Schneehöhe im Bereich der Kühlmatteneinrichtung (2) gebildet ist.
- Verfahren nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß oberhalb von Randbereichen der Kühlmatteneinrichtung (2) zum mechanischen Schutz derselben eine Gitterstruktur (70) im Schnee angeordnet wird.
- Verfahren nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, daß bei der Anordnung der Kühlmatteneinrichtung (2) auf dem Untergrund (1) in Lücken der Kühlmatteneinrichtung (2) Trichtereinrichtungen (10) angeordnet werden, die die Form von Rohren (101) besitzen, die an ihren dem Untergrund (1) abgewandten Seiten trichterförmige Erweiterungen (102) aufweisen, und daß zum Fixieren von Kippstangen und dergleichen von der dem Untergrund (1) abgewandten. Seite her durch die auf der Matteneinrichtung (2) angeordnete Schneeschicht (9) ein Bohrer durch die Erweiterung (102) in die Rohre (101) einführbar und durch diese in den Untergrund (1) zum. Bohren von Löchern zur Fixierung der Kippstangen oder dergleichen eingebracht wird.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19821027 | 1998-05-11 | ||
DE19821027 | 1998-05-11 | ||
DE19843901 | 1998-09-24 | ||
DE19843901A DE19843901C2 (de) | 1998-05-11 | 1998-09-24 | Verfahren zur Haltbarmachung von Schnee und Kühlmatteneinrichtung zur Durchführung des Verfahrens |
PCT/EP1999/003213 WO1999058910A1 (de) | 1998-05-11 | 1999-05-11 | Verfahren und einrichtung zur haltbarmachung von schnee |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1078209A1 EP1078209A1 (de) | 2001-02-28 |
EP1078209B1 true EP1078209B1 (de) | 2003-07-16 |
Family
ID=26046109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99950363A Expired - Lifetime EP1078209B1 (de) | 1998-05-11 | 1999-05-11 | Verfahren zur haltbarmachung von schnee |
Country Status (7)
Country | Link |
---|---|
US (1) | US6418733B1 (de) |
EP (1) | EP1078209B1 (de) |
JP (1) | JP2002514736A (de) |
AT (1) | ATE245269T1 (de) |
AU (1) | AU4259599A (de) |
ES (1) | ES2207291T3 (de) |
WO (1) | WO1999058910A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10125496C1 (de) * | 2001-05-23 | 2003-02-27 | Allrounder Winter World Gmbh & | Skihalle |
DE10160237A1 (de) * | 2001-12-07 | 2003-07-17 | Allrounder Winter World Gmbh & | Schneesporthalle und Verfahren zu deren Betrieb |
EP1408294B1 (de) | 2002-10-10 | 2009-09-09 | Henri Mollin | Skipiste mit Vorrichtung um Schnee zu bewahren |
US20070125109A1 (en) * | 2005-12-02 | 2007-06-07 | Ludwig Morasch | Open-air, air conditioned residential or recreational facility |
SE534320C2 (sv) * | 2009-11-16 | 2011-07-05 | Icehotel Ab | Metod och kylande anordning för byggande av byggnader av is och snö |
KR101207217B1 (ko) * | 2010-05-31 | 2012-12-03 | 레인보우스케이프주식회사 | 냉각 코일을 이용한 모형 얼음 집 |
CN107014127A (zh) * | 2017-05-05 | 2017-08-04 | 青岛海尔股份有限公司 | 一种碎冰器 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US515979A (en) * | 1894-03-06 | Edouard de stoppani | ||
GB292623A (en) * | 1926-10-16 | 1928-10-25 | George Charles Funk | Improvement in ice skating rinks |
US3815377A (en) * | 1970-02-26 | 1974-06-11 | L Tyree | System for cooling material using co{11 {11 snow |
US3893507A (en) | 1971-12-02 | 1975-07-08 | Calmac Mfg Corp | Apparatus for creating and maintaining an ice slab |
US3751935A (en) * | 1971-12-02 | 1973-08-14 | Calmac Manuf Corp | Method and system for creating and maintaining an ice slab |
US3919858A (en) | 1973-04-19 | 1975-11-18 | Frick Co | Direct liquid refrigerant supply and return system |
JPS5931544B2 (ja) * | 1979-04-20 | 1984-08-02 | ダイキン工業株式会社 | アントラキノン系色素 |
US4790531A (en) * | 1985-11-19 | 1988-12-13 | Kajima Corporation | Indoor ski slope and apparatus for making snow thereon |
GB2223567B (en) * | 1988-08-25 | 1992-04-15 | Bolero Rinks Ltd | Heat exchange system |
SE8902324L (sv) * | 1989-06-27 | 1990-12-28 | Bengt Valdemar Eggemar | Foerfarande och anordning vid vaermevaexling |
AT394109B (de) * | 1990-01-05 | 1992-02-10 | Solkav Solartechnik Ges M B H | Verwendung eines waermetauschers |
SE9101623L (sv) * | 1991-05-28 | 1992-11-29 | Bengt Valdemar Eggemar | Saett och anordning foer maetning och reglering av istemperatur vid konstisbanor |
US5400966A (en) * | 1993-08-05 | 1995-03-28 | Holimont, Inc. | Machine for making artificial snow and method |
JP2527923B2 (ja) * | 1994-04-28 | 1996-08-28 | 株式会社クレブ | 人工雪および人工スキ―ゲレンデ |
GB9410557D0 (en) * | 1994-05-26 | 1994-07-13 | Schlumberger Ind Ltd | Radio antennae |
US5970734A (en) * | 1995-09-29 | 1999-10-26 | Stillwell; Robert | Method and system for creating and maintaining a frozen surface |
DE29708601U1 (de) * | 1997-05-14 | 1997-07-31 | Heise, Herbert, 79379 Müllheim | Bodenplatte mit Kippstangenhalterung |
-
1999
- 1999-05-11 JP JP2000548671A patent/JP2002514736A/ja active Pending
- 1999-05-11 ES ES99950363T patent/ES2207291T3/es not_active Expired - Lifetime
- 1999-05-11 AU AU42595/99A patent/AU4259599A/en not_active Abandoned
- 1999-05-11 AT AT99950363T patent/ATE245269T1/de active
- 1999-05-11 US US09/674,499 patent/US6418733B1/en not_active Expired - Lifetime
- 1999-05-11 EP EP99950363A patent/EP1078209B1/de not_active Expired - Lifetime
- 1999-05-11 WO PCT/EP1999/003213 patent/WO1999058910A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP1078209A1 (de) | 2001-02-28 |
US6418733B1 (en) | 2002-07-16 |
ATE245269T1 (de) | 2003-08-15 |
JP2002514736A (ja) | 2002-05-21 |
ES2207291T3 (es) | 2004-05-16 |
WO1999058910A1 (de) | 1999-11-18 |
AU4259599A (en) | 1999-11-29 |
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