EP1538404A1 - System und Verfahren um ein Objekt zu beheizen - Google Patents

System und Verfahren um ein Objekt zu beheizen Download PDF

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Publication number
EP1538404A1
EP1538404A1 EP03104530A EP03104530A EP1538404A1 EP 1538404 A1 EP1538404 A1 EP 1538404A1 EP 03104530 A EP03104530 A EP 03104530A EP 03104530 A EP03104530 A EP 03104530A EP 1538404 A1 EP1538404 A1 EP 1538404A1
Authority
EP
European Patent Office
Prior art keywords
liquid
conduit
container
fluid
pump
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.)
Withdrawn
Application number
EP03104530A
Other languages
English (en)
French (fr)
Inventor
Samir Sadikovic
Ahmet Sadikovic
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.)
Optos Optimale Oszillationstechnik GmbH
Original Assignee
Optos Optimale Oszillationstechnik GmbH
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 Optos Optimale Oszillationstechnik GmbH filed Critical Optos Optimale Oszillationstechnik GmbH
Priority to EP03104530A priority Critical patent/EP1538404A1/de
Publication of EP1538404A1 publication Critical patent/EP1538404A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24V—COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
    • F24V40/00—Production or use of heat resulting from internal friction of moving fluids or from friction between fluids and moving bodies

Definitions

  • the invention relates to a system for heating an object, for instance a room, by a heated liquid, comprising a container for holding an amount of liquid, and a circulation conduit having an inlet and an outlet both connected to said container, the conduit comprising a pump for pumping the liquid through said conduit.
  • the known systems comprise a container which is usually referred to as a boiler, wherein the liquid, typically water, is stored which is heated by means of burning gas or oil, or by electric or solar heating devices for instance.
  • the heated water can be circulated by the pump through a well known central heating circuit containing radiators, or alternatively through a floor heating conduit.
  • the invention aims at a system which is cheaper to build, install and/or maintain, and/or which is more energy effective in use than previous systems.
  • the conduit further comprises a kinetic generator comprising means for generating a non-axial movement in the liquid being pumped through the conduit in order to raise the temperature of the liquid.
  • a kinetic generator comprising means for generating a non-axial movement in the liquid being pumped through the conduit in order to raise the temperature of the liquid.
  • non-axial movement in this respect means a movement having a component diverting from the axis of the conduit. Said movement can be a micro-level movement or a larger scale movement in the liquid, as will be explained below.
  • heating the liquid by causing intense local movement within the liquid has proven to be a very efficient way to raise its temperature, in particular in heating systems wherein the temperature difference needs only to be limited.
  • the amount of the temperature rise depends on the amount of internal movement applied to the liquid, and also on the sort of liquid that is used. Therefore many configurations of the system are possible depending of the intended use of the system.
  • the temperature of the liquid is raised by a few centigrades in this manner.
  • the kinetic generator is a static object that extends within the axial flow of the liquid in the conduit resulting from the pump. The energy to heat the liquid can thus entirely be supplied by said pump.
  • the heating system of the invention can advantageously be used for central heating, but also for heating greenhouses, defrosting roads and bridges, supplying warm water to swimming pools, etcetera.
  • the temperature of liquid in the system can be raised substantially by recycling the liquid many times, it may be more suitable to use conventional heating means to bring the liquid in the system to a desired temperature level initially.
  • the pump then must have enough capacity to compensate for the heat that is radiated to the object to be heated, such as a room.
  • the kinetic generator comprises deflection means for converting the axial flow of the liquid through the conduit into a whirling substantially helical flow.
  • the kinetic generator is connected to the container through a pipe having a length between 0.1 and 1 m, in which the whirling flow will be maintained before it flows into the container, during which time the temperature of the liquid will rise.
  • said pipe has a diameter between 3 and 10 cm, more preferably between 4 and 7 cm.
  • the kinetic generator comprises a vibrating element which can vibrate at a high frequency, said vibrating movement being transferred to the liquid flow.
  • the vibration of the vibrating element is generated by the liquid flow, in a manner which is comparable to the vibration of an organ pipe or a flute which is generated by air flowing through it.
  • a vibration element is placed in the liquid flow, which element has a protruding lip extending in the upstream direction.
  • the kinetic generator is located near the outlet of the conduit into the container.
  • the pump has a capacity so as to generate a pressure of at least 2 bar, more preferably at least 4 bar, even more preferably at least 5 bar in said conduit, and preferably a flow of at least 3000 1 per hour, more preferably between 3800 and 4500 1 per hour.
  • the heat generated by the pump itself is preferably used also to heat the liquid.
  • the container is filled with a liquid having a specific weight of at least 1.1 kg/l, more preferably between 1.15 and 1.30 kg/l at 20°C.
  • a liquid having a specific weight of at least 1.1 kg/l, more preferably between 1.15 and 1.30 kg/l at 20°C.
  • specific weight can for instance be achieved by using oil, polyvalent alcohols, or an aqueous solution comprising at least 15%, more preferably at least 30% by weight of a metallic salt.
  • MgCl 2 and/or MgCl 2 -6H 2 O crystal water
  • aqueous solution containing 23.5% MgCl 2 , 25.4% MgCl 2 -6H 2 O, 0.38% MgSO 4 , 0.25% CaSO 4 , 0.15% KCl and 0.35% NaCl by weight.
  • the system is particularly useful and effective when the means for transferring the heat of the fluid in said container to a room is a floor heating system.
  • a floor heating system the temperature of the circulating liquid should be not too high, for instance 30°C, and the heating method of the invention is particularly suitable for low temperature gradients.
  • the mentioned preferred liquids and a suitably long and narrow circuit enough heat may be generated without the need for a kinetic generator element in the conduit. This may constitute a separate invention.
  • the kinetic generator is part of a separate (short) first circulation conduit, and the container is further connected to a second pump for pumping said fluid through a second conduit, said second conduit being a part of a conventionally controlled floor heating system.
  • the kinetic generator is circulate the liquid through the kinetic generator as many times as necessary to obtain or maintain a required liquid temperature in the container, independent from the circulation speed in the floor heating system.
  • the time necessary to heat the liquid to a required temperature can be regulated by a regulating device well known in the art.
  • the container preferably has a capacity between 300 and 3.000 1. If a large container is used, the system can make use of cheap electricity costs during the night, if available, and store the heat in the liquid for use during the day. It may in that case be advantageous to use a liquid containing polyvalent alcohols which have a good heat storing capacity.
  • the system comprises a heat exchanger and a condenser system for cooling a room, such as in an air conditioning system.
  • the invention also relates to a method for heating an object by a heated fluid, wherein fluid is pumped from a container for holding an amount of said fluid through a circulation conduit and back into said container, wherein a non-axial movement is generated in the fluid being pumped through the conduit by kinetic generating means in order to heat the fluid.
  • a heating system comprises a container 1 wherein an amount of warm liquid is stored.
  • the container has a volume of 300 1, and the liquid is a 1:1 by weight aqueous solution of:
  • the container 1 is connected to a first circuit 2 through which the liquid is pumped at high speed by a pump 3.
  • the width of the conduits of circuit 2 is approximately 5 cm.
  • the capacity of the pump is approximately 4000 1 per hour, at a working pressure of 4 bar.
  • the outlet of circuit 2 is located within the container 1, at some distance from the wall of the container 1, and is provided with a kinetic generator 4 for heating the liquid, which will be explained in more detail below.
  • the pump 3 is controlled by a well know temperature control device, which will switch the pump 3 off as soon as the temperature of the liquid reaches an adjustable maximum.
  • the container 1 is further connected to a second circuit 5, comprising a second pump 6.
  • This second circuit 5 is for instance a conventional floor heating circuit, or any other conventional central heating circuit, and comprises well known control devices (such as a thermostat) for regulating the temperature of the room to be heated.
  • control devices such as a thermostat
  • the materials used in the circuits are chosen such that they are resistant against the salt solution inside the system.
  • the kinetic generator 4 comprises a cylindrical head 7 with an axial inlet channel 8, and two laterally extending outlets 9. From the end wall 10 of the head 7 extends a plate shaped lip 11 having a sharp edge 12 pointing upstream, which lip is dimensioned such that if the liquid flows against it the lip will vibrate at a high frequency, which will cause a raise in the temperature of the liquid. By circulating the liquid content of the container 1 through the circuit 2 a desired temperature raise of the liquid can be obtained.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP03104530A 2003-12-03 2003-12-03 System und Verfahren um ein Objekt zu beheizen Withdrawn EP1538404A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03104530A EP1538404A1 (de) 2003-12-03 2003-12-03 System und Verfahren um ein Objekt zu beheizen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03104530A EP1538404A1 (de) 2003-12-03 2003-12-03 System und Verfahren um ein Objekt zu beheizen

Publications (1)

Publication Number Publication Date
EP1538404A1 true EP1538404A1 (de) 2005-06-08

Family

ID=34443066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03104530A Withdrawn EP1538404A1 (de) 2003-12-03 2003-12-03 System und Verfahren um ein Objekt zu beheizen

Country Status (1)

Country Link
EP (1) EP1538404A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948244A1 (de) * 1979-11-30 1981-06-04 Rüdiger 5241 Katzwinkel Hölzemann Einrichtung zur umwandlung von kinetischer energie in waermeenergie
US4344567A (en) * 1980-12-31 1982-08-17 Horne C James Hydraulic heating system
US4489678A (en) * 1982-04-20 1984-12-25 Raoul Hamilton Apparatus for the conversion of energy
DE29515138U1 (de) * 1995-09-21 1997-01-30 Hy Tec GmbH, 63322 Rödermark Vorrichtung zur Umwandlung einer Energie in eine andere Energieform bzw. in Nutzwärme
EP0833114A1 (de) * 1995-04-18 1998-04-01 Advanced Molecular Technologies, L.L.C. Verfahren und vorrichtung zur heizung einer flüssigkeit
EP0855300A2 (de) * 1997-01-28 1998-07-29 Denso Corporation Heizeinrichtung für Fahrzeuge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948244A1 (de) * 1979-11-30 1981-06-04 Rüdiger 5241 Katzwinkel Hölzemann Einrichtung zur umwandlung von kinetischer energie in waermeenergie
US4344567A (en) * 1980-12-31 1982-08-17 Horne C James Hydraulic heating system
US4489678A (en) * 1982-04-20 1984-12-25 Raoul Hamilton Apparatus for the conversion of energy
EP0833114A1 (de) * 1995-04-18 1998-04-01 Advanced Molecular Technologies, L.L.C. Verfahren und vorrichtung zur heizung einer flüssigkeit
DE29515138U1 (de) * 1995-09-21 1997-01-30 Hy Tec GmbH, 63322 Rödermark Vorrichtung zur Umwandlung einer Energie in eine andere Energieform bzw. in Nutzwärme
EP0855300A2 (de) * 1997-01-28 1998-07-29 Denso Corporation Heizeinrichtung für Fahrzeuge

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