GB2441008A - Solar water heating system - Google Patents

Solar water heating system Download PDF

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Publication number
GB2441008A
GB2441008A GB0616361A GB0616361A GB2441008A GB 2441008 A GB2441008 A GB 2441008A GB 0616361 A GB0616361 A GB 0616361A GB 0616361 A GB0616361 A GB 0616361A GB 2441008 A GB2441008 A GB 2441008A
Authority
GB
United Kingdom
Prior art keywords
water heating
solar water
tank
roof
heating system
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Withdrawn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
GB0616361A
Other versions
GB0616361D0 (en
Inventor
Kerr Macgregor
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
Priority to GB0616361A priority Critical patent/GB2441008A/en
Publication of GB0616361D0 publication Critical patent/GB0616361D0/en
Publication of GB2441008A publication Critical patent/GB2441008A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/81—Arrangements for concentrating solar-rays for solar heat collectors with reflectors flexible
    • F24J2/1052—
    • F24J2/145—
    • F24J2/345—
    • F24J2/50—
    • F24J2/51—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
    • F24S23/745—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces flexible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F24S80/56—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by means for preventing heat loss
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/60—Thermal insulation
    • F24J2/045—
    • F24J2/481—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/67—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F24S2080/501—Special shape
    • F24S2080/502—Special shape in the form of multiple covering elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/10—Details of absorbing elements characterised by the absorbing material
    • F24S70/12—Details of absorbing elements characterised by the absorbing material made of metallic material
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

A solar water heating system comprises a cylindrical tank (vessel) within an enclosure consisting of a curved reflective sheet at the rear and a highly insulating transparent cover at the front. The system is also insulated at the rear; the insulation may be in the form of layers of fibrous insulation, such as fibreglass. Preferably, the tank is made of copper and has a spectrally selective surface, with high short wave solar absorbtivity and low long wave thermal (infrared) emissivity, applied to its exterior surface by chemical processing or by the application of an adhesive foil. The reflective sheet may comprise a flexible surface with a highly reflective coating on its concave side, with an essentially semi-circular profile. The transparent cover may comprise a glazing unit consisting of a sealed double glazed unit with a low emissivity coating and with a low conductivity gas, such as argon, filling the gap between the two panes of glass. Preferably, the solar water heating system is integrated into a sloping roof by inserting it between the rafters of the roof so that the outer face of the collector lies flush with the outer surface of the roof. Cold water from a mains supply may be fed into the bottom of the tank whilst warm water is delivered by an output pipe located at the top of the tank. The warm water delivered by the solar water heating system may be instantaneously heated up to a required delivery temperature by an electrical heater fitted between the cylindrical tank and the taps in a house. In use, the system is designed to be simpler and cheaper than conventional solar water heating systems, whilst being integrated into a roof surface, so as to be unobtrusive, and delivering warm/hot water at mains pressure.

Description

<p>COMBINED COLLECTOR STORAGE</p>
<p>SYSTEM FOR SOLAR WATER HEATING</p>
<p>Conventional solar water heating systems are too complex and expensive because they require separate collectors and storage tanks, pumps, controllers, heat exchangers, mains electricity supply and anti-freeze solution. This is a proposal for a much simpler and less expensive system which combines the collector and storage units.</p>
<p>DESCRIPTION</p>
<p>This system comprises a cylindrical vessel, preferably of copper, located between the rafters of the roof of a buildin& The external surface of the vessel is treated with a spectrally selective surface (high solar absorbtiinty low long -wave infra red emissivity).</p>
<p>A flexible surface with a highly reflective coating on the concave side is attached to the sides of the rafters to form a reflector behind the vessel, with a profile essentially semi-circular. The principle is that solar energy reflected from the reflector should land on the vessel.</p>
<p>To insulate the unit layers of fibrous insulation, e.g fibreglass, are located behind the reflector and attached to the rafters.</p>
<p>The unit is glazed on the front with a unit which has high solar transmissivity but also low thermal conductance, for example a standard sealed double -glazed unit with low-emissivity coatings and an argon gas infill.</p>
<p>Cold water from the mains is fed into the bottom of the vessel and the output pipe is located at the top of the vessel.</p>
<p>A heater to bring the delivered water up to the desired temperature is fitted between the vessel and the taps in the house.</p>
<p>The main advantages of this system are: a) Simpler and cheaper than conventional solar water heating systems.</p>
<p>b) Can be integrated into roof surfaces so that it is unobtrusive.</p>
<p>c) Can deliver mains pressure hot water.</p>

Claims (1)

  1. <p>CLAIMS</p>
    <p>1. A solar water heating system comprising a cylindrical tank within an enclosure consisting of a reflective curved sheet at the rear and a highly insulating transparent cover at the front. The system is insulated at the rear.</p>
    <p>2. A solar water heating system according to claim 1 where the tank has a spectrally selective surface(high short-wave solar absorbtivity, low long-wave thermal emissivity) applied to the exterior of the tank surface by chemical processing or by an adhesive foil.</p>
    <p>3. Asolarwaterheatingsystemaccordingtoc1ajmsland2ethe glazing unit at the front consists of a sealed double glazed unit with a low emissivity coating on at least one of the inner glass surfaces and with a low conductivity gas, e.g argon, filling the gap between the two glasses.</p>
    <p>4. A solar water heating system according to any of the preceding claims which is integrated into a sloping roof by inserting it between the rafters of the roof so that the outer face of the collector lies flush with outer roof surface.</p>
    <p>5. A solar water heating unit according to any of the preceding claims where the delivered warm water is instantaneously heated up to the required delivery temperature by an electrical heater.</p>
GB0616361A 2006-08-17 2006-08-17 Solar water heating system Withdrawn GB2441008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0616361A GB2441008A (en) 2006-08-17 2006-08-17 Solar water heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0616361A GB2441008A (en) 2006-08-17 2006-08-17 Solar water heating system

Publications (2)

Publication Number Publication Date
GB0616361D0 GB0616361D0 (en) 2006-09-27
GB2441008A true GB2441008A (en) 2008-02-20

Family

ID=37081141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0616361A Withdrawn GB2441008A (en) 2006-08-17 2006-08-17 Solar water heating system

Country Status (1)

Country Link
GB (1) GB2441008A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056539A (en) * 2012-12-31 2013-04-24 潍坊海生能源科技有限公司 Manufacturing craft for pressure-bearing heat exchanging liner of solar water heater

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147408A (en) * 1983-10-04 1985-05-09 Dimos Maglaras Solar water heater
US4587952A (en) * 1985-05-10 1986-05-13 Richardson John L Passive solar water heater
US4667653A (en) * 1984-05-07 1987-05-26 Vepa Aktiengesellschaft Solar water heater
EP0260209A1 (en) * 1986-09-08 1988-03-16 Pascale Giordano Solar water heater having an insulation shield.
DE3807605A1 (en) * 1988-03-09 1989-09-21 Fraunhofer Ges Forschung Collector accumulator
DE19517471A1 (en) * 1995-05-12 1996-01-11 Bert Sailer Thermal collector for using solar energy
EP0743495A1 (en) * 1995-05-12 1996-11-20 Zonne-Energie Nederland B.V. Radiation heating device
US20040187862A1 (en) * 2003-03-31 2004-09-30 Victor Cobos Portable solar heated water server

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147408A (en) * 1983-10-04 1985-05-09 Dimos Maglaras Solar water heater
US4667653A (en) * 1984-05-07 1987-05-26 Vepa Aktiengesellschaft Solar water heater
US4587952A (en) * 1985-05-10 1986-05-13 Richardson John L Passive solar water heater
EP0260209A1 (en) * 1986-09-08 1988-03-16 Pascale Giordano Solar water heater having an insulation shield.
DE3807605A1 (en) * 1988-03-09 1989-09-21 Fraunhofer Ges Forschung Collector accumulator
DE19517471A1 (en) * 1995-05-12 1996-01-11 Bert Sailer Thermal collector for using solar energy
EP0743495A1 (en) * 1995-05-12 1996-11-20 Zonne-Energie Nederland B.V. Radiation heating device
US20040187862A1 (en) * 2003-03-31 2004-09-30 Victor Cobos Portable solar heated water server

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056539A (en) * 2012-12-31 2013-04-24 潍坊海生能源科技有限公司 Manufacturing craft for pressure-bearing heat exchanging liner of solar water heater
CN103056539B (en) * 2012-12-31 2013-11-13 潍坊海生能源科技有限公司 Manufacturing craft for pressure-bearing heat exchanging liner of solar water heater

Also Published As

Publication number Publication date
GB0616361D0 (en) 2006-09-27

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