EP0236660A1 - Heating system - Google Patents

Heating system Download PDF

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Publication number
EP0236660A1
EP0236660A1 EP86850085A EP86850085A EP0236660A1 EP 0236660 A1 EP0236660 A1 EP 0236660A1 EP 86850085 A EP86850085 A EP 86850085A EP 86850085 A EP86850085 A EP 86850085A EP 0236660 A1 EP0236660 A1 EP 0236660A1
Authority
EP
European Patent Office
Prior art keywords
heat transfer
transfer fluid
heating system
heating
temperature
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Withdrawn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
EP86850085A
Other languages
German (de)
English (en)
French (fr)
Inventor
Kimmo Puolitaival
Kauko Rahko
Heinz Ekman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0236660A1 publication Critical patent/EP0236660A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems

Definitions

  • the present invention concerns a procedure for improving the effi­ciency of a heating system, the heating system comprising one or several heater elements, inside which in an enclosed space is circulated a heat transfer fluid the pressure of which fluid in­creases exponentially with increasing temperature; and a heating system in which the procedure is applied.
  • a heater element or radiator with a horizontal heat exchanger consisting of a tubular container containing a fluid, such as freon, both in gaseous and liquid form.
  • the freon evaporates with the aid of a heat source inside the heat exchanger, such as a heating conduit passing therethrough.
  • a heat source inside the heat exchanger, such as a heating conduit passing therethrough.
  • the element consists of a plurality of vertical pipes connected to the top margin of the container.
  • a radiator of type is clearly superior in efficiency and economy to radiator of prior art in which the heat transfer fluid was merely water. Nevertheless, with continuously increasing energy costs, there is need to further develop the heating systems with a view to reducing the energy consumption.
  • the object of the present inven­tion is to teach a procedure for improving the efficiency of the heating system. Therefore, the procedure of the invention is char­acterized in that the temperature and pressure of the heat transfer fluid contained in the heater element are varied by switching the heating of the heat transfer fluid alternatingly on and off.
  • An advantageous embodiment of the procedure of the invention is characterized in that in the heating system is used, towards heat­ing the heat transfer fluid, water circulating through all the heater elements of the system, its circulation being alternatingly switched on and off with the aid of a valve inserted in the water pipe.
  • the heating system is which the procedure of the invention is applied is characterized in that the temperature and pressure of the heat transfer fluid contained in the heater element are varied by alternatingly switching the heating of the heat transfer fluid on and off.
  • An advantageous embodiment of the heating system of the invention is characterized in that the duration of the heat transfer fluid heating period is about 10% of the duration of the idle period.
  • the idle period is understood to be the phase in which heating takes place in the normal way.
  • Fig. 1 the radiator or heater element known through the Finnish patent application No. 831221, in which the procedure of the present invention can be applied.
  • the radiator comprises a horizontal heat exchanger 1 consisting of a tubular container 2 containing a fluid, such as freon or equivalent, both in gaseous and liquid form, which evaporates with the aid of a heating conduit 3 passing through the heat exchanger.
  • a heat-releasing element 4 To the con­tainer 2 is connected a heat-releasing element 4, in which the fluid in gaseous form releases heat to the ambient air and con­denses at the same time.
  • the element 4 is composed of a plurality of vertical pipes 5 connected on the top margin of the container 2. In Fig. 1, the pipes 5 have been connected, two and two, by their top ends with a horizontal pipe section 6.
  • Fig. 2 the heater elements of the kind described above are indicated by reference numeral 7.
  • the house heating system depicted in Fig. 2 comprises additionally a heating boiler 8, a water pipe­line 9 and a shut-off valve 10.
  • the improve­ment of efficiency has been indisputable.
  • the surface temperature of the radiator had stabilized at 54° in con­tinuous operation.
  • the radiator was then tipped over on its side, whereby the gaseous freon could not ascend in the pipes 5 and remained instead in the heat exchanger 1 to be heated further.
  • the radiator was kept lying on its side for three minutes, during which time the surface temperature of the radiator at a given point decreased to 48°, whereafter the radiator was placed upright once more and the freon could ascend.
  • the surface temperature of the radiator rose to 60° in one minute and began thereafter to go down very slowly, reaching the limit of 54° only after half an hour.
  • the surface temperature of the radiator could be held most of the time over 54°, which is the mean temperature in a con­tinuously operating radiator.
  • tipping over radiators cannot be considered in actual practice, but it was easy to demon­strate by this experiment that a remarkable improvement in effi­ciency is achieved with the aid of the invention, seeing that the fundamental principle of the procedure of the invention is the same as in the experiment.
  • the invention is based on increasing the temperature of the freon momentarily considerably above the average temperature.

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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)
  • Central Heating Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP86850085A 1985-01-15 1986-03-10 Heating system Withdrawn EP0236660A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI850177A FI72798C (fi) 1985-01-15 1985-01-15 Foerfarande foer foerbaettring av verkningsgraden vid ett uppvaermningssystem samt ett uppvaermningssystem daer foerfarandet tillaempats.

Publications (1)

Publication Number Publication Date
EP0236660A1 true EP0236660A1 (en) 1987-09-16

Family

ID=8520211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86850085A Withdrawn EP0236660A1 (en) 1985-01-15 1986-03-10 Heating system

Country Status (4)

Country Link
EP (1) EP0236660A1 (fi)
JP (1) JPS62218740A (fi)
FI (1) FI72798C (fi)
SU (1) SU1386044A3 (fi)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1288620A (fr) * 1961-05-06 1962-03-24 Thyssensche Gas Und Wasserwerk Installation de chauffage à vapeur froide, comportant des radiateurs indépendants et une source de chaleur commune
FR2357850A1 (fr) * 1976-07-06 1978-02-03 Zanussi A Spa Industrie Radiateur pour installations de chauffage ou l'equivalent
FR2391426A1 (fr) * 1977-05-16 1978-12-15 Bulten Kanthal Ab Radiateur de chaleur avec fluide en circulation cycliquement vaporisable et condensable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1288620A (fr) * 1961-05-06 1962-03-24 Thyssensche Gas Und Wasserwerk Installation de chauffage à vapeur froide, comportant des radiateurs indépendants et une source de chaleur commune
FR2357850A1 (fr) * 1976-07-06 1978-02-03 Zanussi A Spa Industrie Radiateur pour installations de chauffage ou l'equivalent
FR2391426A1 (fr) * 1977-05-16 1978-12-15 Bulten Kanthal Ab Radiateur de chaleur avec fluide en circulation cycliquement vaporisable et condensable

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ENGINEERING AND BOILER HOUSE REVIEW, vol. 82, October 1967, pages 287-289; J.L. WATTS: "Electrical controls for space heating" *

Also Published As

Publication number Publication date
FI72798B (fi) 1987-03-31
FI850177A0 (fi) 1985-01-15
JPS62218740A (ja) 1987-09-26
FI850177L (fi) 1986-07-16
FI72798C (fi) 1987-07-10
SU1386044A3 (ru) 1988-03-30

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Effective date: 19880317

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Inventor name: EKMAN, HEINZ

Inventor name: RAHKO, KAUKO

Inventor name: PUOLITAIVAL, KIMMO