EP0130265B1 - Apparatus for drying hoses, particularly fire hoses - Google Patents
Apparatus for drying hoses, particularly fire hoses Download PDFInfo
- Publication number
- EP0130265B1 EP0130265B1 EP83810292A EP83810292A EP0130265B1 EP 0130265 B1 EP0130265 B1 EP 0130265B1 EP 83810292 A EP83810292 A EP 83810292A EP 83810292 A EP83810292 A EP 83810292A EP 0130265 B1 EP0130265 B1 EP 0130265B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hoses
- air
- drying
- heat pump
- heat exchanger
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/02—Apparatus for cleaning or drying hoses
Definitions
- the present invention relates to a device for drying hoses, in particular fire hoses, which is designed as a cabinet with means for receiving wet, rolled-up hose reels, a fan for circulating air through the hoses and means for to warm the air.
- a device for drying hoses in particular fire hoses, which is designed as a cabinet with means for receiving wet, rolled-up hose reels, a fan for circulating air through the hoses and means for to warm the air.
- a device is known from US-A-3362081, in which a part of the circulating, heated air escapes into the atmosphere at the top and an electrically operated radiator is used to heat the air, on the one hand consuming a relatively large amount of energy and the hoses often exposed to high temperatures.
- Fig. 1 you can see the device designed as a cabinet 1 with the two doors 2 and 3 and the control panel 4.
- Figs. 2 and 3 you can see a frame with horizontal brackets 5 and vertical rods 6 on which the rollers 7 with the hoses 8 indicated schematically, in the present example four rollers, rest.
- a heat pump 9 with, from left to right, the condenser 10, the compressor 11 and the evaporator 12 as well as the expansion valves 13 and the coolant circuit 14.
- Both the condenser 10 and the evaporator 12 contain a heat exchanger between the circulating air and the coolant circuit.
- a fan 15 serves to convey the dried and warm air through the hoses.
- the moist air coming from the hoses gives off heat in the heat exchanger of the evaporator, as a result of which a large part of the water contained in the moist air is excreted and removed via the outlet 16.
- the cold but dry air with a relative air humidity of 15-20% is heated in the heat exchanger of the condenser and led past the hoses by the fan, where it can absorb moisture.
- the heat pump system is designed in such a way that the air at the condenser does not have a temperature higher than approximately 35 ° to ensure that the hoses are dehumidified as gently as possible. Since this is not a direct heating of the hoses, but rather the absorption of moisture by means of dried and warmed air, thorough and gentle drying of the hoses can be guaranteed.
- the drying process is controlled and controlled by a thermostat as well as by a hygrostat, whereby depending on the size and type of the hoses, appropriate values can be set. This also gives you the option of automatically ending the drying process as soon as the hoses are dry.
- this drying cabinet can also be used as a storage cabinet, since the drying process ends automatically as soon as the hoses have dried. Therefore, this drying cabinet not only saves space during drying, but also space for storing the dried and ready-to-use hoses. For example, in a cabinet with the dimensions length 2.5 m, width 0.8 m and height 2.1 m there is space for four standardized hose reels with a diameter of 46 cm or two large reels with a diameter of 60 cm and two normal reels, d. that is, either 400 m of 55 mm diameter tubing or 200 m of 75 mm diameter and 200 m of 55 mm diameter. Using a heat pump in a closed circuit results in very low energy consumption.
- This system can of course also be used to dry hoses other than those for fire departments.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Drying Of Solid Materials (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Die vorliegende Erfindung bezieht sich auf ein Gerät zum Trocknen von Schlaüchen, insbesondere von Feuerwehrschläuchen, das als Schrank ausgebildet ist mit Mitteln zur Aufnahme von nassen, aufgerollten Schlauchrollen, einem Ventilator, um Luft in einem Kreislauf durch die Schläuche zu treiben, und Mitteln, um die Luft zu erwärmen. Ein solches Gerät ist aus der US-A-3362081 bekannt, in dem ein Teil der umlaufenden, erwärmten Luft oben in die Atmosphäre entweicht und zum Erwärmen der Luft ein elektrisch betriebener Radiator verwendet wird, wobei einerseits relativ viel Energie verbraucht wird und die Schläuche öfters hohen Temperaturen ausgesetzt sind.The present invention relates to a device for drying hoses, in particular fire hoses, which is designed as a cabinet with means for receiving wet, rolled-up hose reels, a fan for circulating air through the hoses and means for to warm the air. Such a device is known from US-A-3362081, in which a part of the circulating, heated air escapes into the atmosphere at the top and an electrically operated radiator is used to heat the air, on the one hand consuming a relatively large amount of energy and the hoses often exposed to high temperatures.
Es ist demgegenüber Aufgabe der vorliegenden Erfindung, ein Gerät anzugeben, das es erlaubt, bei schonenderer Behandlung der Schläuche mit weitaus geringeren Energiekosten auszukommen. Diese Aufgabe wird mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst.In contrast, it is an object of the present invention to provide a device which allows the hoses to be handled more gently with far lower energy costs. This object is achieved with the characterizing features of
Die Erfindung wird im folgenden anhand einer Zeichnung eines Ausführungsbeispiels näher erläutert.
Figur 1 zeigt die Vorderansicht eines geschlossenen, erfindungsgemässen Gerätes,Figur 2 zeigt schematisch das offene Gerät gemäss Fig. 1 und- Figur 3 zeigt eine Seitenansicht des Gerätes teilweise im Schnitt von Fig. 1.
- FIG. 1 shows the front view of a closed device according to the invention,
- Figure 2 shows schematically the open device according to Fig. 1 and
- FIG. 3 shows a side view of the device, partly in section from FIG. 1.
Man erkennt in Fig. 1 das als Schrank 1 ausgebildete Gerät mit den beiden Türen 2 und 3 und der Schalttafel 4. In den Fig. 2 und 3 erkennt man ein Gestell mit horizontalen Haltern 5 und vertikalen Stangen 6, auf denen die Rollen 7 mit den schematisch angedeuteten Schläuchen 8, in vorliegendem Beispiel vier Rollen, aufliegen. Im oberen Teil des Schrankes befindet sich eine Wärmepumpe 9 mit, von links nach rechts, dem Kondensator 10, dem Kompressor 11 und dem Verdampfer 12 sowie dem Expansionsventile 13 und dem Kühlmittelkreislauf 14. Sowohl der Kondensator 10 als auch der Verdampfer 12 enthält einen Wärmeaustauscher zwischen der umlaufenden Luft und dem Kühlmittelkreislauf. Ein Ventilator 15 dient dazu, die getrocknete und warme Luft durch die Schläuche zu befördern.In Fig. 1 you can see the device designed as a
Die bekannte Arbeitsweise der Wärmepumpe ist folgende :
- Das Kältemittel mit tiefem Siedepunkt, beispielsweise Freon, nimmt unter niedrigem Druck im Wärmeaustauscher des Verdampfers Wärme aus der von den Schläuchen herstammenden Luft auf und verdampft. Der
Kompressor 11 saugt das dampfförmige Kältemittel an, verdichtet es auf höheren Druck und höhere Temperatur und fördert es in denKondensator 10. Dort gibt das Freon über den im Kondensator sich befindlichen Wärmeaustauscher Wärme an die vorüberstreichende Luft ab, wodurch das Kältemittel kondensiert. Ueber das Expansionsventil 13 wird es im flüssigen Zustand auf niedrigen Druck und niedrige Temperatur entspannt und kann im Verdampfer wieder neue Wärme aufnehmen.
- The low-boiling point refrigerant, such as Freon, absorbs and evaporates heat from the air coming from the hoses under low pressure in the evaporator's heat exchanger. The
compressor 11 draws in the vaporous refrigerant, compresses it to a higher pressure and higher temperature and conveys it to thecondenser 10. There the freon releases heat to the air passing through the heat exchanger located in the condenser, as a result of which the refrigerant condenses. Via the expansion valve 13, it is expanded to low pressure and low temperature in the liquid state and can absorb new heat in the evaporator.
Die von den Schläuchen stammende feuchte Luft gibt im Wärmeaustauscher des Verdampfers Wärme ab, wodurch ein grosser Teil des in der feuchten Luft enthaltenen Wassers ausgeschieden und über den Auslass 16 entfernt wird. Die kalte, aber trockene Luft mit einer relativen Luftfeuchtigkeit von 15-20 % wird im Wärmeaustauscher des Kondensators erwärmt und durch den Ventilator an den Schläuchen vorbeigeführt, wobei sie Feuchtigkeit aufnehmen kann. Dabei wird das Wärmepumpensystem derart ausgelegt, dass die Luft am Kondensator keine höhere Temperatur als ungefähr 35° aufweist, um zu gewährleisten, dass die Schläuche möglichst schonend entfeuchtet werden. Da es sich hier nicht um eine direkte Erwärmung der Schläuche, sondern um ein Aufnehmen der Feuchtigkeit mittels getrockneter und aufgewärmter Luft handelt, kann eine gründliche und schonende Trocknung der Schläuche gewährleistet werden. Der Trocknungsprozess wird sowohl durch einen Thermostaten als auch durch einen Hygrostaten kontrolliert und gesteuert, wobei je nach Grösse und Art der Schläuche entsprechende Werte eingestellt werden können. Damit ist auch die Möglichkeit gegeben, den Trocknungsprozess automatisch zu beenden, sobald die Schläuche trocken sind.The moist air coming from the hoses gives off heat in the heat exchanger of the evaporator, as a result of which a large part of the water contained in the moist air is excreted and removed via the
Dadurch, dass die Schläuche im nassen Zustand bereits auf normierten Rollen aufgerollt werden, die direkt für die Löschzüge verwendet werden ist jederzeit gewährleistet, dass bei dringendem Gebrauch diese sofort bereitstehen. Andererseits kann dieser Trocknungsschrank auch als Aufbewahrungsschrank benutzt werden, da der Trocknungsprozess automatisch beendet wird, sobald die Schläuche getrocknet sind. Daher wird durch diesen Trocknungsschrank nicht nur Platz während dem Trocknen gespart, sondern auch Platz zum Aufbewahren der getrockneten und betriebsbereiten Schläuche. Beispielsweise haben in einem Schrank mit den Abmessungen Länge 2,5 m, Breite 0,8 m und Höhe 2,1 m vier normierte Schlauchrollen mit einem Durchmesser von 46 cm oder zwei grosse Rollen mit einem Durchmesser von 60 cm und zwei normale Rollen Platz, d. h., entweder 400 m Schläuche mit einem Durchmesser von 55 mm oder 200 m mit einem Durchmesser von 75 mm und 200 m mit einem Durchmesser von 55 mm. Durch die Verwendung einer Wärmepumpe in einem geschlossenen Kreislauf ergibt sich ein sehr geringer Energieverbrauch.The fact that the hoses are already rolled up on standardized rollers in the wet state, which are used directly for the fire-fighting trains, ensures at all times that they are immediately available for urgent use. On the other hand, this drying cabinet can also be used as a storage cabinet, since the drying process ends automatically as soon as the hoses have dried. Therefore, this drying cabinet not only saves space during drying, but also space for storing the dried and ready-to-use hoses. For example, in a cabinet with the dimensions length 2.5 m, width 0.8 m and height 2.1 m there is space for four standardized hose reels with a diameter of 46 cm or two large reels with a diameter of 60 cm and two normal reels, d. that is, either 400 m of 55 mm diameter tubing or 200 m of 75 mm diameter and 200 m of 55 mm diameter. Using a heat pump in a closed circuit results in very low energy consumption.
Es können mit dieser Anlage selbstverständlich auch andere Schläuche als solche für Feuerwehren getrocknet werden.This system can of course also be used to dry hoses other than those for fire departments.
Claims (3)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP83810292A EP0130265B1 (en) | 1983-06-30 | 1983-06-30 | Apparatus for drying hoses, particularly fire hoses |
AT83810292T ATE27776T1 (en) | 1983-06-30 | 1983-06-30 | DEVICE FOR DRYING HOSES, ESPECIALLY FIRE HOSES. |
DE8383810292T DE3372075D1 (en) | 1983-06-30 | 1983-06-30 | Apparatus for drying hoses, particularly fire hoses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP83810292A EP0130265B1 (en) | 1983-06-30 | 1983-06-30 | Apparatus for drying hoses, particularly fire hoses |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0130265A1 EP0130265A1 (en) | 1985-01-09 |
EP0130265B1 true EP0130265B1 (en) | 1987-06-16 |
Family
ID=8191556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83810292A Expired EP0130265B1 (en) | 1983-06-30 | 1983-06-30 | Apparatus for drying hoses, particularly fire hoses |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0130265B1 (en) |
AT (1) | ATE27776T1 (en) |
DE (1) | DE3372075D1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2211046B1 (en) * | 2008-12-29 | 2011-03-02 | C.R.F. Società Consortile per Azioni | Fuel injection system with high repeatability and stability of operation for an internal-combustion engine |
CN114788941B (en) * | 2022-04-29 | 2023-04-07 | 青岛理工大学 | Fire hose drying cabinet and drying system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH176260A (en) * | 1934-07-23 | 1935-03-31 | Ventilator A G | Apparatus for drying tubes. |
CH165319A (en) * | 1934-07-23 | 1933-11-15 | Ventilator A G | Apparatus for drying tubes. |
US2464706A (en) * | 1945-07-17 | 1949-03-15 | Clarence T Mcgraw | Drying equipment |
DE1120278B (en) * | 1956-05-04 | 1961-12-21 | Fritz Rutzenhoefer | Drying cabinet for drying hoses, in particular fire hoses |
US3362081A (en) * | 1965-11-29 | 1968-01-09 | Fan Way Corp | Cabinet dryer and method |
CH490863A (en) * | 1969-10-14 | 1970-05-31 | Gis Ag | Hose drying system |
-
1983
- 1983-06-30 EP EP83810292A patent/EP0130265B1/en not_active Expired
- 1983-06-30 AT AT83810292T patent/ATE27776T1/en active
- 1983-06-30 DE DE8383810292T patent/DE3372075D1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3372075D1 (en) | 1987-07-23 |
EP0130265A1 (en) | 1985-01-09 |
ATE27776T1 (en) | 1987-07-15 |
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