WO1997035153A1 - Accessoire thermoelectrique pour chaudiere - Google Patents

Accessoire thermoelectrique pour chaudiere Download PDF

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Publication number
WO1997035153A1
WO1997035153A1 PCT/GB1997/000730 GB9700730W WO9735153A1 WO 1997035153 A1 WO1997035153 A1 WO 1997035153A1 GB 9700730 W GB9700730 W GB 9700730W WO 9735153 A1 WO9735153 A1 WO 9735153A1
Authority
WO
WIPO (PCT)
Prior art keywords
boiler arrangement
heat source
thermo
electric
heating fluid
Prior art date
Application number
PCT/GB1997/000730
Other languages
English (en)
Inventor
David Michael Rowe
Gao Min
Original Assignee
University College Cardiff Consultants Limited
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 University College Cardiff Consultants Limited filed Critical University College Cardiff Consultants Limited
Priority to JP9533244A priority Critical patent/JP2000506964A/ja
Priority to AU20338/97A priority patent/AU2033897A/en
Priority to GB9818399A priority patent/GB2326223A/en
Publication of WO1997035153A1 publication Critical patent/WO1997035153A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters

Definitions

  • the present invention relates to a boiler arrangement, particularly for a heating system.
  • a boiler arrangement comprising a heat source and passages for the through-flow of fluid to be heated by said heat source, and further comprising one or more thermo-electric or Seebeck devices situated between said heat source and said heating fluid flow passages to generate an EMF according to the temperature differential between them.
  • the generated EMF supplies a pumping device to pump said heating fluid through the boiler arrangement and around a heat distribution circuit.
  • thermo-electric or Seebeck devices comprise a plurality of fins, ribs or other surface features to increase the efficiency of thermal conduction from the heat source or to the heating fluid.
  • said one or more thermo-electric or Seebeck devices comprise a binary, ternary or quaternary combination of metals selected from Silver, Lead, Tellurium, Bismuth, Antimony, and Selenium.
  • said one or more thermo-electric or Seebeck devices comprise Lead Telluride devices.
  • the temperature of the heat source is between 100 and 1000 degrees centigrade and the temperature of the heating fluid is between 50 and 100 degrees centigrade so that the temperature differential between them is between 400 and 950 degrees centigrade.
  • the heat source is a fossil fuel burner.
  • the heating fluid comprises water drawn from a mains water supply.
  • FIGURE 1 is a schematic illustration of a prior art boiler arrangement used for a central heating system.
  • FIGURE 2 is a schematic illustration of a thermo ⁇ electric boiler arrangement in accordance with the present invention also used for a central heating system.
  • a prior art boiler arrangement (either gas-fired or oil-fired) is shown, comprising a heat source 2 and a re-circulating water supply 4,6,8.
  • Cold water from an inlet conduit 4 is pumped through the boiler by a pumping device 10, where it is heated by the heat source 2.
  • the resulting heated water passes out through an outlet conduit 8 and around a heat distribution circuit (not shown) to return again via inlet conduit 4.
  • Pumping device 10 operates via an external electrical power source 12, and therefore the boiler arrangement is susceptible to a failure of this supply, due for instance to a power cut.
  • FIG. 2 illustrates a boiler arrangement (again either gas-fired or oil-fired) in accordance with the present invention in which thermo-electric devices 14 are arranged to generate an electrical supply 16.
  • the thermo-electric devices have one side towards the high temperature heat source 2 and their opposite side towards the low temperature water supply
  • thermo-electric devices are less than 10% efficient and therefore do not significantly effect the flow of heat from the heat source 2 to the circulating water.
  • thermo-electric devices are Lead and Bismuth based Telluride devices whose structure and performance are most suited to operation at high temperatures.

Landscapes

  • 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)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

L'invention porte sur un accessoire pour chaudière comportant: une source de chaleur (2) et des passages (4, 6, 8) que traverse le fluide à chauffer par la source de chaleur ainsi qu'un ou plusieurs dispositifs thermoélectriques ou à effet Seebeck (14) placés entre la source de chaleur et les passages du fluide à chauffer de manière à produire une FEM fonction du différentiel de température entre eux. La FEM peut par exemple servir à alimenter un dispositif de pompage (10).
PCT/GB1997/000730 1996-03-16 1997-03-17 Accessoire thermoelectrique pour chaudiere WO1997035153A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9533244A JP2000506964A (ja) 1996-03-16 1997-03-17 熱電ボイラ装置
AU20338/97A AU2033897A (en) 1996-03-16 1997-03-17 Thermo-electric boiler arrangement
GB9818399A GB2326223A (en) 1996-03-16 1997-03-17 Thermo-electric boiler arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9605561.1 1996-03-16
GBGB9605561.1A GB9605561D0 (en) 1996-03-16 1996-03-16 Thermo-electric boiler arrangement

Publications (1)

Publication Number Publication Date
WO1997035153A1 true WO1997035153A1 (fr) 1997-09-25

Family

ID=10790509

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1997/000730 WO1997035153A1 (fr) 1996-03-16 1997-03-17 Accessoire thermoelectrique pour chaudiere

Country Status (4)

Country Link
JP (1) JP2000506964A (fr)
AU (1) AU2033897A (fr)
GB (1) GB9605561D0 (fr)
WO (1) WO1997035153A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069383A2 (fr) 1999-07-14 2001-01-17 Robert Bosch Gmbh Accumulateur d'eau chaude

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4843273A (en) * 1987-05-12 1989-06-27 Thermo-Watt Stromerzeugungsanlagen Gmbh Heater mechanism with thermoelectric power generator
WO1995004377A1 (fr) * 1993-08-03 1995-02-09 California Institute Of Technology Materiaux thermoelectriques a hautes performances et leurs procedes de preparation
US5450869A (en) * 1992-03-25 1995-09-19 Volvo Flygmotor Ab Heater mechanism including a light compact thermoelectric converter
US5495829A (en) * 1994-09-14 1996-03-05 Consolidated Natural Gas Service Company, Inc. Water heater with thermoelectric module and through-chamber heat sink

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4843273A (en) * 1987-05-12 1989-06-27 Thermo-Watt Stromerzeugungsanlagen Gmbh Heater mechanism with thermoelectric power generator
US5450869A (en) * 1992-03-25 1995-09-19 Volvo Flygmotor Ab Heater mechanism including a light compact thermoelectric converter
WO1995004377A1 (fr) * 1993-08-03 1995-02-09 California Institute Of Technology Materiaux thermoelectriques a hautes performances et leurs procedes de preparation
US5495829A (en) * 1994-09-14 1996-03-05 Consolidated Natural Gas Service Company, Inc. Water heater with thermoelectric module and through-chamber heat sink

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069383A2 (fr) 1999-07-14 2001-01-17 Robert Bosch Gmbh Accumulateur d'eau chaude
DE19932748A1 (de) * 1999-07-14 2001-01-25 Bosch Gmbh Robert Warmwasserspeicher
EP1069383A3 (fr) * 1999-07-14 2002-11-13 Robert Bosch Gmbh Accumulateur d'eau chaude

Also Published As

Publication number Publication date
JP2000506964A (ja) 2000-06-06
GB9605561D0 (en) 1996-05-15
AU2033897A (en) 1997-10-10

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