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GB2472582A - Waste water heat exchanger - Google Patents

Waste water heat exchanger Download PDF

Info

Publication number
GB2472582A
GB2472582A GB0913918A GB0913918A GB2472582A GB 2472582 A GB2472582 A GB 2472582A GB 0913918 A GB0913918 A GB 0913918A GB 0913918 A GB0913918 A GB 0913918A GB 2472582 A GB2472582 A GB 2472582A
Authority
GB
United Kingdom
Prior art keywords
waste water
heat exchanger
heat
trap
heated
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Withdrawn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
GB0913918A
Other versions
GB0913918D0 (en
Inventor
Joseph Martin Hehir
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.)
JH ENGINEERING SERVICES Ltd
Original Assignee
JH ENGINEERING SERVICES Ltd
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 JH ENGINEERING SERVICES Ltd filed Critical JH ENGINEERING SERVICES Ltd
Priority to GB0913918A priority Critical patent/GB2472582A/en
Publication of GB0913918D0 publication Critical patent/GB0913918D0/en
Publication of GB2472582A publication Critical patent/GB2472582A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0005—Domestic hot-water supply systems using recuperation of waste heat
    • 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
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • 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
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F24D2200/20—Sewage water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Details Of Fluid Heaters (AREA)

Abstract

A waste water heat exchanger comprises of an inner cylinder through which heated waste water flows and an outer cylinder surrounding the inner cylinder and through which a fluid flows that is to be heated by the waste water. The heat exchanger may be used to recover heat from waste water from a shower and the heat used to heat fresh cold water that may be used to preheat cold water entering an electric shower or mixer taps. The heat exchanger may be manufactured from copper tube and insulated with polythene cell insulation and adapted to fit waste water pipe using compression pipe fittings. A small/short version of the heat exchanger may be used before a waste water trap or a longer version may be used after the trap. A series of heat exchangers may be used to increase the amount of heat recovered. The use of the heat exchanger may increase water flow rate at a desired temperature and reduce energy consumption.

Description

JHE$1P0U2 Hot Pipe Heat Recovery Cell Descñption The Hot Pipe Heat Recovery Cell is a small indirect heat exchanger intended for domestic use at mains water pressure, Manufactured from copper tube and insulated with polythene cell insulation Heat is transfeffed from warm drain water to preheat cold water to mixer taps and showers.
GB0913918A 2009-08-11 2009-08-11 Waste water heat exchanger Withdrawn GB2472582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0913918A GB2472582A (en) 2009-08-11 2009-08-11 Waste water heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0913918A GB2472582A (en) 2009-08-11 2009-08-11 Waste water heat exchanger

Publications (2)

Publication Number Publication Date
GB0913918D0 GB0913918D0 (en) 2009-09-16
GB2472582A true GB2472582A (en) 2011-02-16

Family

ID=41129886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0913918A Withdrawn GB2472582A (en) 2009-08-11 2009-08-11 Waste water heat exchanger

Country Status (1)

Country Link
GB (1) GB2472582A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2489013A (en) * 2011-03-15 2012-09-19 Paul Orsmond Device to preheat mains water by heat recovery of central heating return water
DE102012003533A1 (en) * 2012-02-25 2013-08-29 Richard Kindich Drain device for siphon and shower gutter used for wash basin, has integrated heat exchange device attached to siphon or shower gutter, so that siphon or shower gutter is thermally protected
CN104406302A (en) * 2014-10-28 2015-03-11 梁晓军 Water heater water saving device
CN104515305A (en) * 2015-01-18 2015-04-15 梁晓军 Domestic water heater water-saving device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256170A (en) * 1979-07-20 1981-03-17 Crump Robert F Heat exchanger
US5740857A (en) * 1995-01-17 1998-04-21 Thompson; John G. Heat Recovery and storage system
EP1033546A2 (en) * 1999-03-03 2000-09-06 Zoltan Koller Heat exchanger for recovering waste heat from waste water
GB2379006A (en) * 2001-06-27 2003-02-26 David Thomas A waste water heat recovery system
WO2005073474A1 (en) * 2004-01-29 2005-08-11 Energiatehnika OU Waste water piping with heat exchanger for bathing installations
GB2415246A (en) * 2004-06-19 2005-12-21 Kim Ivor Mole A waste water heat recovery device
GB2428468A (en) * 2005-07-20 2007-01-31 Stanley Ashton Waste water heat exchanger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256170A (en) * 1979-07-20 1981-03-17 Crump Robert F Heat exchanger
US5740857A (en) * 1995-01-17 1998-04-21 Thompson; John G. Heat Recovery and storage system
EP1033546A2 (en) * 1999-03-03 2000-09-06 Zoltan Koller Heat exchanger for recovering waste heat from waste water
GB2379006A (en) * 2001-06-27 2003-02-26 David Thomas A waste water heat recovery system
WO2005073474A1 (en) * 2004-01-29 2005-08-11 Energiatehnika OU Waste water piping with heat exchanger for bathing installations
GB2415246A (en) * 2004-06-19 2005-12-21 Kim Ivor Mole A waste water heat recovery device
GB2428468A (en) * 2005-07-20 2007-01-31 Stanley Ashton Waste water heat exchanger

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2489013A (en) * 2011-03-15 2012-09-19 Paul Orsmond Device to preheat mains water by heat recovery of central heating return water
DE102012003533A1 (en) * 2012-02-25 2013-08-29 Richard Kindich Drain device for siphon and shower gutter used for wash basin, has integrated heat exchange device attached to siphon or shower gutter, so that siphon or shower gutter is thermally protected
CN104406302A (en) * 2014-10-28 2015-03-11 梁晓军 Water heater water saving device
CN104406302B (en) * 2014-10-28 2017-01-11 梁晓军 Water heater water saving device
CN104515305A (en) * 2015-01-18 2015-04-15 梁晓军 Domestic water heater water-saving device
CN104515305B (en) * 2015-01-18 2017-01-25 梁晓军 Domestic water heater water-saving device

Also Published As

Publication number Publication date
GB0913918D0 (en) 2009-09-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)