CN101939595A - A thermal store - Google Patents
A thermal store Download PDFInfo
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- CN101939595A CN101939595A CN2008800234007A CN200880023400A CN101939595A CN 101939595 A CN101939595 A CN 101939595A CN 2008800234007 A CN2008800234007 A CN 2008800234007A CN 200880023400 A CN200880023400 A CN 200880023400A CN 101939595 A CN101939595 A CN 101939595A
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Images
Classifications
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- 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
- F24D19/1045—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump and solar energy
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- 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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
- F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with solar energy
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- 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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
- F24D11/004—Central heating systems using heat accumulated in storage masses water heating system with conventional supplementary heat source
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- 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
- F24D17/0036—Domestic hot-water supply systems with combination of different kinds of heating means
- F24D17/0063—Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters
-
- 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
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
- F24D3/087—Tap water heat exchangers specially adapted therefore
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- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/06—Heat exchangers
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/08—Storage tanks
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/10—Heat storage materials, e.g. phase change materials or static water enclosed in a space
-
- 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
- F24D2240/00—Characterizing positions, e.g. of sensors, inlets, outlets
- F24D2240/20—Placed at top position
-
- 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
- F24D2240/00—Characterizing positions, e.g. of sensors, inlets, outlets
- F24D2240/22—Placed at bottom position
-
- 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
- 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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Water Supply & Treatment (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
A thermal store system for a water heating system comprising a primary thermal store containing a primary volume of water adapted to be heated by a primary heating means, said primary thermal store being in thermal communication with a central heating supply flow and a central heating return flow, a secondary water heat exchanger in thermal communication with the primary volume of water, the secondary water heat exchanger having a water feed flow and a water outlet flow for supplying hot water, at least one of said central heating return flow and/or said water feed flow being in thermal communication with at least one further thermal store, upstream of said primary thermal store, said at least one further thermal store containing a medium adapted to be heated by at least one supplementary heating means.
Description
Technical field
The present invention relates to be used for a kind of heat reservoir of family or commercial heating and hot water supply.
Background technology
Various heat reservoirs are that this area is well-known, and their mode of operation is described now.Heat reservoir adopts by the direct-fired main water capacity of boiler, and boiler generally is power with the fossil fuel.Compare with the various indirect methods of water heating, this normally comparatively fast and more effective.The heating of indirect water needs boiler repeatedly to light a fire to satisfy the constant temperature demand usually.In a kind of single cylinder heat reservoir, the volume that comprises is the heated water of main.From the once fast of boiler and effectively igniting, the circulation that pump is beaten can cause mix good heated volume.In this heat reservoir, be to flow through heat exchange loop by pressure cold water to produce direct hot water, and this heat exchange loop is the upper strata that is positioned at the heated water capacity of main with relief main pipe road.
Typically, the main water capacity is heated to above the temperature of the design flowing temperature of central heating system, and is controlling this temperature by the thermostat of standard.The lowest set temperature of stipulating 65 ℃ is to avoid that any worry that causes legionaires' disease is considered to wise.Then with being connected the temperature that the TMV (constant temperature mixed valve) that installs in the output in this loop and the outside between the trunk loine pressure chilled water circuit regulates the direct hot water that is supplied to.TMV on the heat reservoir can guarantee minimal energy consumption, and can reduce the danger of any scald significantly.As a reference, the legislation of current relevant legionaires' disease emphasizes that output temperature must not be lower than 50 ℃.If supply with direct hot water by loop, return water temperature must not be lower than 50 ℃ so.
Also available TMV regulates the output temperature of central heating circuit, and this TMV also can make the energy consumption of heat reservoir for minimum, can guarantee to carry central flow heated water with design temperature simultaneously.Be lower than 65 ℃ of minimum reserve temperature declaring and heating system under 40-50 ℃ the floor typically for cryogenic system or requirement, such thermal conditioning is vital.
The installation heat reservoir can allow to exempt to adorn the roof height and put water tank.The direct hot water of optimum flow can be provided with the trunk loine pressure, and can guarantee the abundant and balance of constant temperature shower system is supplied water.The also unsuitable hot storage of a specified duration of the both unsuitable cold conditions of drinking water storage for a long time is because the drinking water of storage is harmful to health for a long time.
The expense of considering increases and is unfavorable to environmental protection, particularly with CO
2Emission is relevant, wish to reduce dependence to fossil fuel, in order to replenish the deficiency of the heat of supplying with by the boiler that burns crude oil or combustion gas, available one or more renewable thermal source or at least one are effectively and/or pollute less secondary thermal source, for this reason, can in the heat reservoir of the water that has received from being heated of secondary thermal source, one or more heat exchanger coils be set.For example, preferably can enoughly replenish the main heat supply from the getable heat energy of the sun.But, because the temperature of heat reservoir is quite high, so only when the temperature by the fluid of secondary thermal source heating surpasses the temperature of the fluid in the heat reservoir, so secondary thermal source could be to heat reservoir contributes thermal amount.As for using solar energy heating, such temperature only just can reach under very desirable weather conditions (for example sunny hot day), and therefore a lot of months in 1 year, solar energy heating can not be contributed heat to heat reservoir.
Summary of the invention
The reception that an object of the present invention is by optimizing heat reservoir provides a kind of improved heat reservoir that can improve the efficient of heat reservoir from the ability of the heat of secondary thermal source, thereby reduction greenhouse gas emissions, and then alleviate the global warming effect, as for secondary thermal source, its preferably renewable thermal source or low emission thermal source.
According to the present invention, a kind of heat reservoir system that is used to add hot water is provided, comprise the main heat reservoir, the main heat reservoir comprises and is suitable for the main water capacity that heated by the main heater, main heat reservoir thermal communication adds the heat supply current in central authorities and returns current with central heating, secondary water heat exchanger and main water capacity thermal communication, the secondary water heat exchanger has the feedwater current and is used to supply domestic hot water's water outlet current, central authorities heating is returned in current and/or the feedwater current thermal communication at least one the other heat reservoir that is positioned at main heat reservoir upstream, and at least one other heat reservoir comprises the medium that is suitable for being used for returning to central authorities' heating by at least one the supplementary heating device heating of current heat supply.
Preferably, described central authorities heating return current and described feedwater current all thermal communication in described at least one other heat reservoir, whereby, described these two current rely on the thermal communication reception heat with described at least one other heat reservoir, receive heat from described main heat reservoir then.
The main heater can be power with the fossil fuel.Preferably, the main heat reservoir is provided with first heat exchange loop, and it is connected in described main heater and is used to heat the main water capacity.
Preferably, described main water capacity fluid is communicated in that described central authorities add the heat supply current and current are returned in described central authorities heating, and whereby, described main water capacity constitutes the part of central heating circuit.
Described at least one other heat reservoir is to be configured to be suitable for by two or more supplementary heating device heating.
Described main heat reservoir can be provided with one or more other hydrothermal exchange loops, and these hydrothermal exchange loops are suitable for receiving heat from one or more other thermals source.
Described at least one other heat reservoir can be provided with two or more heat exchange loops, and each heat exchange loop is suitable for receiving heat from other thermal source.
Described at least one supplementary heating device comprises at least one in following: heat pump, electrical immersion heater, solar collector, organism thermal source, fuel cell or any other available heat sources.
Be provided with two or more other heat reservoirs, each other heat reservoir comprises the medium that can be heated by supplementary heating device separately, described two or more other heat reservoirs are contacted, whereby, described central authorities heating return current and/or described feedwater current by with the heat reservoir of each polyphone in medium heat exchange and be heated to high temperature from low temperature.
In one embodiment, the described medium that is included in described at least one other heat reservoir comprises the secondary water volume.Be cost saving, described other heat reservoir has basically and the identical structure of described main heat reservoir.
Preferably, described other heat reservoir is provided with heat exchange loop, and it is suitable for receiving heat from described additional heater and is used to heat described secondary water volume.Described secondary water volume preferably fluid is communicated in that described central authorities add the heat supply current and current are returned in described central authorities heating, and whereby, described secondary water volume constitutes the part of central heating circuit.
Preferably, described central authorities heating is returned current and is entered described other heat reservoir at lower area or its contiguous place of described other heat reservoir, and flows out described other heat reservoir at upper area or its contiguous place of described other heat reservoir.The pipeline of finishing central heating circuit can be arranged between described main heat reservoir and the described other heat reservoir, and the fluid of setting up between the lower area of the upper area of described other heat reservoir and described main heat reservoir is communicated with.Preferably, the pipeline of finishing central heating circuit is provided with check-valves, to prevent the reverse flow between described main heat reservoir and the described other heat reservoir.
The current connecting pipeline is arranged between described main heat reservoir and the described other heat reservoir, described current connecting pipeline is provided with pump, is used for optionally allowing water flow through between described main heat reservoir and the described other heat reservoir when temperature at described main water capacity is lower than the temperature of described secondary water volume.
Preferably, the water that supplies to described waterworks flows through the water heat exchanger with described secondary water volume thermal communication, the described secondary heat exchanger that enters described main heat reservoir then.Preferably, described water heat exchanger comprises first heat exchanger coil of the lower area that is arranged on described other heat reservoir and is connected the downstream of described first heat exchanger coil and is arranged on second heat exchanger coil of the upper area of described other heat reservoir, and described first heat exchanger coil causes consumption location at the described lower area of described other heat reservoir.
In an alternative embodiment, be included in described medium in described at least one other heat reservoir comprise be suitable for roughly under being configured to the operating temperature of the described supplementary heating device of described medium heat supply solid-state and liquid between the material that changes.This class material is commonly called " phase-change material " or PCM.Described medium can comprise mixture or the combination of PCM, and it can melt under the different temperatures in the preset range of the operating temperature of described supplementary heating device.Can be provided with two or more other heat reservoirs, each other heat reservoir comprises described medium, described two or more other heat reservoirs are contacted, whereby, described central authorities heating return current by with the heat reservoir of each polyphone in described medium heat exchange and be heated to high temperature from low temperature.
Preferably, described central authorities heating is returned current and/or described feedwater current and is flow through heat exchange loop in each described two or more other heat reservoir successively, and receive heat from the described medium that is included in each follow-up other heat reservoir, enter described main heat reservoir then.
Preferably, the flow direction that described two or more other heat reservoirs are arranged to make the operating temperature of the supplementary heating device of each other heat reservoir to return current along the heating of described central authorities is elevated to high relatively temperature from low relatively temperature, returns current successively and the heat exchange between the medium of each other heat reservoir to set up the heating of described central authorities.
In one embodiment, secondary heat exchange loop comprises the solar collector that can be connected in the solar energy loop heat exchanger in second container.
Preferably, solar energy loop heat exchanger is a heat exchanger coil.
It is desirable to, the 3rd heat exchange loop comprises heat exchanger coil, and its thermal communication is in main water and be suitable for and can receive heat from one of boiler, electric boiler or other any available thermal source of burning organism fuel.
It is desirable to, the TMV (constant temperature mixed valve) that install the available outside that is connected between water outflow device and the waterworks regulates secondary water temperature.Waterworks are trunk loine pressure cold water source preferably.Advantageously, the TMV that is installed on the secondary water source can guarantee minimal energy consumption and can reduce any scald danger significantly.
Preferably, can regulate the output temperature of central heating circuit with TMV.Advantageously, the energy consumption that can make each heat reservoir can be guaranteed to carry central flow heated water with design temperature simultaneously for minimum.
It is desirable to, the main heat reservoir has main water termostat device, is used for the temperature by the main water at least one main heating circuit control main heat reservoir.
Preferably, can be to depend on that design adds the temperature of thermal output or is set at 65 ℃ minimum with the thermostat set of main water.
It is desirable to, the main heat reservoir has and is used for safety and prevents overheated maximum temperature thermostat.
Preferably, secondary heat exchange loop has secondary heat exchange loop control thermostat.
It is desirable to, the 3rd heat exchange loop has the 3rd heat exchange loop control thermostat.
Preferably, described other heat reservoir has the thermostat identical with first heat reservoir, main heat exchange loop and secondary heat exchange loop.
It is desirable to, the main heat exchange loop of described other heat reservoir is connected in heat pump.
It is desirable to, central authorities' heating of main heat reservoir is returned current and is connected in described other heat reservoir.
Preferably, the central authorities of main heat reservoir heating is returned current and is connected near the bottom of described other heat reservoir or its.
It is desirable to, the discharging device of the secondary water heat exchanger of described other heat reservoir is connected in the waterworks of the secondary water heat exchanger of main heat reservoir.
It is desirable to, the pipeline of finishing water loop is connected second heat reservoir and main heat reservoir or claims between first heat reservoir.
Preferably, the pipeline of finishing water loop is to be connected between the main heat exchange loop return pipeline of the upper area of second heat reservoir and first heat reservoir.Advantageously, this has just finished the water loop that is made of to the mobile water-flowing path of the container of second heat reservoir the central authorities' heating return pipeline from first heat reservoir.It is beneficial to increase check-valves on this loop, and it can prevent from any reverse flow of first heat reservoir to second heat reservoir, can allow the boiler loop of fetching water with pump be in off working state simultaneously.
It is desirable to, secondary water source can be connected in the heat exchanger coil of the secondary heat exchange loop of second heat reservoir.
Preferably, the output of the heat exchanger coil of the secondary heat exchange loop of second heat reservoir can be connected in the input unit of the secondary water heat exchanger of first heat reservoir.
The cross-over connection flow duct can be connected between first heat reservoir and second heat reservoir.This cross-over connection flow duct can be provided with relevant cross-over connection flow pumps.
Preferably, this cross-over connection flow duct is connected between the lower area of two heat reservoirs.
It is desirable to, the electric energy of available wind turbine and/or PV (photovoltaic cell) directly heats main water capacity or secondary water volume.
Preferably, the energy of the element of available direct submergence supply gentle breeze and PV.According to the technical specification of equipment, directly the element of submergence can be direct current or exchange.
It is desirable to, heating element heater can be arranged in any or two heat reservoirs.
Preferably, heating element heater can be connected to optimize performance.
In one embodiment of the invention, the waterworks of the secondary water heat exchanger of main heat reservoir are connected in the auxiliary heat reservoir of one or more employing phase-change materials.
Preferably, be connected in one or more auxiliary heat reservoirs the central authorities of heat reservoir heating water recovery apparatus heating power.
Described one or more auxiliary heat reservoir can comprise the heat pump heat reservoir that the material that undergoes phase transition is housed about 45 ℃, it is connected in series with the solar energy phase transition heat reservoir that the material that undergoes phase transition is housed about 62 ℃.
In this, arrange that the phase transformation heat reservoir can have three loops.' filling a heat ' path and two consumption paths.The heat pump heat reservoir fill the hot loop cross-over connection in heat pump current and backwater heating circuit.A heat release loop is connected in the cross-over connection flow circuits of heat reservoir and also can receives the heating water return loop.Second heat release loop is connected in cold feedwater.The heat release loop of the heat pump heat reservoir that temperature is lower is connected in series with the heat release loop of temperature higher solar energy heat reservoir.The hot loop of filling of solar energy heat sink is connected in solar collecting device, has outlet and loop.
Cold feedwater heat release loop is connected in the input side of the secondary heat exchanger of heat reservoir.The main that another heat release loop is connected in heat reservoir is returned.Advantageously, this has finished the water loop that is made of the path that returns the water that flows to heat pump heat exchanger from central authorities' heating of heat reservoir.
In such embodiments, the heat pump heat reservoir can have one or more thermostats, is used to control the work of heat pump.
The solar source heat reservoir can be provided with one or more thermostats, is used to control the work in solar energy loop.
The cross-over connection flow duct can be connected between heat reservoir and the heat pump heat exchanger and have relevant cross-over connection flow pumps, and preferably, this pump is connected between the lower area and heat pump heat exchanger of heat reservoir.
In such embodiments, heat pump heat exchanger can provide considerable potential to discharge about 45 ℃.Heat reservoir can be lifted to 90 ℃ maximum temperature.The solar heat source heat exchanger perhaps can be caught about 62 ℃ for considerable potential and discharge.Heat reservoir can be lifted to 90 ℃ maximum temperature.
Can couple together a plurality of heat pump heat exchanger.Advantageously, think with heat reservoir collect and store relatively large heat energy be used to consume be can benefit the time, can adopt such structural configuration.
In one embodiment, can couple together a plurality of solar heat source heat exchangers.
With the industrial scale applications heat reservoir time, the capacity that requires each heat reservoir is 1000 to 2000 liters, and this is significantly greater than 210 or 300 liters of typical home-use heat reservoir.
Description of drawings
Referring now to as an example accompanying drawing the present invention is described, in each accompanying drawing:
Fig. 1 is single heat reservoir that mixes;
Fig. 2 is two mixing heat reservoirs of the first embodiment of the present invention; And
Fig. 3 is two mixing heat reservoirs of the second embodiment of the present invention.
The specific embodiment
With reference to Fig. 1, it expresses the mixing heat reservoir that indicates generally by Reference numeral 1 earlier, and it has the container 2 that is used to store the main water capacity.Heat reservoir 1 has main heating circuit 4, and it flows out pipeline 5 and main heating circuit return pipeline 6 by the main heating circuit and is connected in main thermal source (not shown) such as the boiler that burns stone fuel, organism fuel or wood chip, so that heating main water capacity.The pump (not shown) is thrown main water into the main thermal source and again it is extracted out in it.Container 2 has central authorities' heating and flows out pipeline 8 and central authorities' heating return pipeline 9 and thermal communication in the secondary water heat exchanger 11 of main water capacity 3.Secondary water heat exchanger 11 has supply line 14 and outlet pipeline 15.Heat reservoir 1 has the secondary heat exchange loop 16 that can be connected in secondary thermal source (not shown), and secondary heat exchange loop 16 is arranged in the below of secondary water heat exchanger 11 in the container 2.
Heat reservoir 1 is configured to be connected in similar second heat reservoir, so just constitutes two mixing heat reservoirs as shown in Figure 2.
Two heat reservoirs 1 that couple together are substantially the same.Heat reservoir 1 has the 3rd heat exchange loop 21, and it can be connected in the 3rd thermal source (not shown).The 3rd heat exchange loop 21 is arranged in 2 li in the container of heat reservoir 1 between secondary heating circuit 16 and secondary water heat exchanger 11.For single heat reservoir configuration (Fig. 1), secondary heating circuit 16 can be a solar energy heating, and secondary heating circuit 16 can comprise the solar collector of the solar energy heat exchanger 23 that is connected in 2 li in container.
The 3rd heat exchange loop 21 comprises heat exchanger coil 25, and its thermal communication is in main water 3 and can be connected in boiler or electric heater or other thermal source (not shown) of burning organism fuel, wood chip.Advantageously, when having connected second heating circuit 16 and/or the 3rd heating circuit 21, these two thermals source can contribute to central authorities' heating and hot water.This point is not accomplished with the indirect double plate pipe cylinder of the sort of standard common on the current market.Mix heat reservoir 1 by installing, just secondary heat is imported and/or the 3rd heat input is got ready in order to add at any time, and need not system is done any releasing.
The TMV 31 that install the available outside that is connected between outlet pipeline 15 and the supply line 14 regulates secondary water temperature.Supply line 14 preferably is connected in trunk loine pressure chilled water circuit.Advantageously, the TMV 31 on the secondary supply channel can guarantee minimal energy consumption and can reduce any scald danger significantly.The also available TMV 33 that is connected between central authorities' heating outflow pipeline 8 and the central authorities' heating return pipeline 9 regulates the output temperature of central heating circuit.Advantageously, the energy consumption that can make heat reservoir 1 can be guaranteed to carry central flow heated water with design temperature simultaneously for minimum.
Refer now to Fig. 2, it expresses the mixing heat reservoir generally by Reference numeral 50 signs of the first embodiment of the present invention.Wherein, second heat reservoir 51 is connected in first heat reservoir 1, both and shown in Figure 1 similar.The main heating circuit 4 of second heat reservoir 51 is connected in heat pump.Second heat reservoir 51 has the structure configuration identical with first heat reservoir 1, and specifically, second heat reservoir 51 has the container 2 identical with first heat reservoir 1, identical thermostat 35,36,37 and 38, identical heating circuit 16 and 21 and secondary water heat exchanger 11.So the part that is equal to first heat reservoir 1 of second heat reservoir 51 is given identical Reference numeral.
The central authorities of first heat reservoir 1 heating return pipeline 9 can be in the bottom of the container 2 of second heat reservoir 51 or is connected in the lower area of the container 2 of second heat reservoir 51 near it.The outlet pipeline 15 of the secondary water heat exchanger 11 of second heat reservoir 51 is connected in the supply line 14 of the secondary water heat exchanger 11 of first heat reservoir 1.The TMV 31 of first heat reservoir 1 has direct cold water feedwater 81.Finish between the upper area and first heat reservoir 1 of container 2 that pipeline 61 that water loop connects is connected second heat reservoir.Pipeline 61 can comprise the check-valves (not shown), to avoid the danger of reverse flow.Finish pipeline 61 that water loop connects and be between the main heating circuit return pipeline 6 of the upper area of the container 2 that is connected second heat reservoir and first heat reservoir 1.Advantageously, so just finished the water loop that the path by the current of the container 2 that flows to second heat reservoir 51 from the central authorities of first heat reservoir 1 heating return pipeline 9 constitutes.
Secondary water supply line 62 is connected in the intake line of the heat exchanger coil 23 of secondary heating circuit 16.The output pipe 64 of the heat exchanger coil 23 of secondary heating circuit 16 is connected in the intake line of secondary water heat exchanger 11.Cross-over connection flow duct 72 is connected between first heat reservoir 1 and second heat reservoir 51 and relevant cross-over connection flow pumps 71 is installed on it.Cross-over connection flow duct 72 is connected between the lower area of two heat reservoirs 1 and 51.
Owing to many reasons, the available thermal energy of several heat pumps combined prove very difficult, mainly be because can reach the typical current temperature of optimum efficiency is about 50 ℃, thereby provide and control heat energy ' to the top termination ' for reaching desired 65 ℃ of needs.Adopt current technical development achievement, several heat pumps perhaps can be exported 65 ℃ hot water effectively.If can accomplish so also very to have accomplished, that just no longer needs to control heat energy ' arriving the top stops ', thereby can further reduce the needs that fossil fuel is imported.
This connection of second heat reservoir 51 as shown in Figure 2 makes can add heat pump main heating circuit 4, both can be that geothermal-source heat pump also can be an air source heat pump.The interpolation of second heat reservoir 51 can make the heat storage capacity multiplication, and also the performance to heat pump and solar heat device has good effect.Because two heat reservoirs 1 and 51 are identical basically,, help reducing cost so wait from a large amount of manufacturings and parts sum and spare part guarantee.Can use the thermostatic control technology of standard, or,, control this configuration with more advanced electron controls technology if be suitable for.
In use, mainly with reference to Fig. 2, the main heat reservoir thermostat 35 of first heat reservoir 1 is set in 63 ℃ or slightly higher.This requires to utilize the main energy to provide support by heat reservoir 51 when in a single day institute's heat accumulation can be consumed.Heat reservoir 51 is connected with the heat pump as the main thermal source, but the highest holding temperature that its main heat reservoir thermostat 35 is set in heat pump is below 48 ℃ of nominal.The differential controller of solar energy heating loop 16 usefulness standards is regulated the input of heat reservoir 51.This pair of mixing heat reservoir configuration 50 helps consuming the heat energy of heat reservoir 51, thereby the fossil fuel input is provided needn't for heat reservoir 1 again.This pair of mixing heat reservoir configuration 50 is designed to be able to extract the heat energy of heat reservoir 51 under all working pattern.This makes and can preferentially utilize the contribution of solar heat collector and guarantee best input state.Secondly, make the thermostatic control technology that to pay the utmost attention to standard control heat pump.According to available electricity charge structure,, can allow heat pump main loop 4 continuously move or allow it move at times if can utilize favourable electricity price.Perhaps, timer can be set, so that avoid the high electricity price period.Employing can make such thermal energy collecting reach optimization based on the electronic control system of advanced person's software.
Allow heat pump main loop 4 work, it is 50 ℃ that heat reservoir 51 minimum fills hot temperature entirely.When heat reservoir 51 is operated in this state, the extraction of hot water makes cold water (typical 6-10 ℃) flow through secondary water supply line 62 and flow through heat exchanger coil 23, and obtain the small amount of preheated energy from the bottom of container, and container bottom is created near the current in heat pump main loop 4, if and solar heat input is the 3rd heating circuit 21 that is connected in second heat reservoir 51, that is near the consumption location the solar energy input also just.Secondary water heat exchanger 11 is crossed in the overhead stream of second heat reservoir 51 in secondary subsequently water source, thereby draws a large amount of heat energy (according to flow, being about 35-42 ℃) from it.These current continue to flow to the secondary supply line 14 of first heat reservoir 1.That just is equal to the difference between the secondary water heat exchanger 11 exportable temperature that the temperature of coming in is 35-42 ℃ the secondary current and first heat reservoir 1 thermal energy consumption of first heat reservoir 1, certainly this still depend on flow but 55-60 ℃ temperature.Single heat reservoir system desired low about 60% is compared in the thermal energy consumption of first heat reservoir 1 now.
Similarly, when the heat pump of the main heating circuit 4 of second heat reservoir 51 is switched on power supply, central authorities' flow heated water 8 is extracted out from first heat reservoir 1, if this heating system is to be designed to have 40 ℃ or lower return water temperature, so just central flow heated water 9 is guided into the consumption location of 51 li of second heat reservoirs.Pipeline 61 is connected in the main heating circuit return pipeline 6 of first heat reservoir 1 to the top of second heat reservoir 51 and has finished the connection of water loop.In present case example worst, 65 ℃ the central authorities that pump is got add hot water and are replenished it by the water with 50 ℃.It is desirable to, for reaching optimum performance, the central heating of the highest design return water temperature should equal the highest output temperature of heat pump.The reduction of central authorities' flow heated water temperature has obvious benefit to efficient, and this reduction can be used on the temperature difference that increases water outlet and backwater in the design and compensates.
The ability to work of heat pump is determining the minimal design energy state.The direct heating that the ceiling capacity state can utilize solar heat to import and/or import with gentle breeze turbine or PV (photovoltaic cell) reaches.According to the technical specification of equipment, can supply with gentle breeze or PV energy with the element of directly imbedding direct current or that exchange.Heating element heater can be arranged on that one of heat reservoir 1 and 51 or both go up and their can be connected to optimize performance.According to the type of solar collector, by adding the collection of being exposed to the sun for a long time, 80-90 ℃ set point of temperature can reach.Control system can be configured to allow two heat reservoirs 1 and 51 to reach 90 ℃ maximum temperature.
In case the temperature that second heat reservoir is 51 li surpasses 65 ℃ of the serviceability temperatures of home-use hot water, central authorities' heating just begins energy is shifted to first heat reservoir 1 from second heat reservoir 51, so as to second heat reservoir 51 is consumed, and allow generation and the thermal energy storage of coming to heap(ed) capacity.The heap(ed) capacity of system becomes first heat reservoir 1 and second heat reservoir 51 is all filled heat to 90 ℃, fills thermal process and is detected by thermostat 36.All be connected the differential type radiator valve with 51 can for heat reservoir 1, with the temperature difference between two thermostats 36 measuring these two positions.When the temperature of second heat reservoir 51 than the temperature of first heat reservoir 1 high 2 ℃ or more many and by the temperature of thermostat 36 records of first heat reservoir 1 be higher than 90 ℃ again and heat pump be not in the running, additional cross-over connection flow pumps 71 just is energized operation.This can guarantee that first heat reservoir 1 still remains on second heat reservoir 51 is equal to and fill hot state, this can guarantee free potential thermal energy storage can both be maximized.
Refer now to Fig. 3, it expresses the second embodiment of the present invention, wherein, 26S Proteasome Structure and Function all is connected with supply line 14 with the secondary water heat exchanger 11 that heat reservoir 1 shown in Figure 2 or 51 identical heat reservoirs 151 are expressed as it, and supply line 14 is connected in the auxiliary heat reservoir that indicates generally by Reference numeral 152.Central authorities' heating return pipeline 9 of heat reservoir 151 is connected in auxiliary heat reservoir 152.
In one embodiment, each auxiliary heat reservoir is equipped with the mixture of different materials, and every kind of material has different fusing points, and these fusing points are in that auxiliary heat reservoir provides in the operating temperature range of the thermal source of heat for each.
Being used for the structural configuration that the water that flows out from heat-pump-type heat exchanger 154 is communicated in solar heat source heat exchanger 156 is a pair of aqueduct 163 and 164 independently mutually.Heat-pump-type heat exchanger 154 has two thermostats 166 and 168, is used to control the work of heat pump.
Solar heat source heat exchanger 156 have the solar source heating circuit outflow and return pipeline 171, be used to receive from the structural configuration of the water of heat-pump-type heat exchanger 154 and the structural configuration that is used for water is defeated by heat reservoir 151.The structural configuration that is used to receive from the water of heat-pump-type heat exchanger 154 comprises two mouths 173 and 174, is used to receive the aqueduct 163 of drawing from heat-pump- type heat exchanger 154 and 164 water.Be used for the structural configuration that water is defeated by heat reservoir 151 is comprised pipeline 176 between the supply line 14 of the secondary water heat exchanger 11 that is connected solar heat source heat exchanger 156 and heat reservoir 151.
Solar heat source heat exchanger 156 has two thermostats 177 and 178, is used to control the work of solar source.
The pipeline 181 of finishing the water loop connection is connected between solar heat source heat exchanger 156 and the heat reservoir 151.Finish pipeline 181 that water loop connects and be between the main heating circuit return pipeline 6 of the upper area that is connected solar heat source heat exchanger 156 and heat reservoir 151.Advantageously, this adds the water loop that path that hot water return pipeline 9 flows to the water of heat-pump-type heat exchanger 154 constitutes with regard to having finished by the central authorities from heat reservoir 151.
Cross-over connection flow duct 172 is connected between heat reservoir 151 and the heat-pump-type heat exchanger 154 and has relevant cross-over connection flow pumps 271.Cross-over connection flow duct 172 is to be connected between the lower area and heat-pump-type heat exchanger 154 of heat reservoir 151.Heat-pump-type heat exchanger 154 can provide the water temperature that reaches about 42 ℃, and solar heat source heat exchanger 156 can provide the water temperature that reaches about 62 ℃.
(not shown) in a kind of structural configuration of commerce couples together many heat-pump-type heat exchangers 154, and number may be more than 100 and comprise a plurality of phase transition temperatures.Advantageously, when the big capacity heat vessel that is commercial/industry needed relatively large water, this structural configuration may be useful.In such structural configuration, also the solar heat source heat exchanger of similar number is coupled together.The collection of energy ability of design is determining the size of the heat reservoir array that connects into.Although any in two kinds of energy all can be used independently,, should consider the combination of two kinds of energy from hot complementation.
With the industrial scale applications heat reservoir time, the capacity that requires each heat reservoir is 1000 to 2000 liters, and this is significantly greater than 210 or 300 liters of typical home-use heat reservoir.
In use, according to the demand of the outlet pipeline 15 of the secondary water heater 11 of heat reservoir, cold water is drawn into the cold feedwater receiving port 161 of heat-pump-type heat exchanger 154.The heat-storage medium of 154 li of heat-pump-type heat exchangers is maintained temperature about 50 ℃, make transformation temperature about 42 ℃ or its.Heat energy is transmitted by the water that flows to and flow out pipeline 157 of the heating circuit of the heat pump of flowing through, and the work of this pipeline is by thermostat 166 controls.Water from heat-pump-type heat exchanger 154 flows out along the pipeline 163 of drawing from the top of heat-pump-type heat exchanger 154 and 164.Bottom and these water that the water that flow along pipeline 163 and 164 enter solar heat source heat exchanger 156 are further heated owing to carrying out heat exchange with the water that flows through solar heat source heat exchanger 156, the water that flows through solar heat source heat exchanger 156 is to flow to via the outflow of solar source heating circuit and Returning pipe 171, and is controlled by thermostat 177.The heat-storage medium that the solar heat source heat exchanger is 156 li can be heated to 90 ℃, and transformation temperature is about 62 ℃ or its.These water flow to the supply line 14 of secondary water heat exchanger 11 through pipeline 176 from the overhead stream of solar heat source heat exchanger 156.Clearly, be these water preheats not need the main heating circuit 4 of the fossil fuel of heat reservoir 151 to the advantage of this temperature.And the water that has been raised temperature also flows to the return pipeline 6 of main heating circuit 4 of the fossil fuel of heat reservoir 151.In addition, central authorities add the bottom that hot water return pipeline 9 stretches into the heat-pump-type heat exchanger, and this can further reduce the needs to heat reservoir 151.
Can make various changes and modification to the present invention within the scope of the invention.
Claims (26)
1. heat reservoir system that is used for water heating system, comprise: the main heat reservoir, described main heat reservoir comprises and is suitable for the main water capacity that heated by the main heater, described main heat reservoir thermal communication adds the heat supply current in central authorities and returns current with central heating, secondary water heat exchanger and described main water capacity thermal communication, described secondary water heat exchanger has the feedwater current and is used for the water outlet current of hot-water supply, described central authorities heating is returned at least one thermal communication in current and/or the described feedwater current at least one the other heat reservoir that is positioned at described main heat reservoir upstream, and described at least one other heat reservoir comprises the medium that is suitable for by at least one supplementary heating device heating.
2. the system as claimed in claim 1, it is characterized in that, described central authorities heating return current and described feedwater current all thermal communication in described at least one other heat reservoir, whereby, current are returned in the heating of described central authorities and described feedwater current rely on and the thermal communication of described at least one other heat reservoir receives heat, enter the thermal communication with described main heat reservoir then.
3. as the described system of the arbitrary claim in front, it is characterized in that, the operating temperature that described two or more other heat reservoirs can be arranged to the supplementary heating device of each other heat reservoir heats the flow direction that returns current along described central authorities and is elevated to high relatively temperature from low relatively temperature, returns the heat transfer of carrying out successively between the medium of current and/or described feedwater current and the heat reservoir that each is other and set up the heating of described central authorities.
4. as the described system of the arbitrary claim in front, it is characterized in that described main heater is power with the fossil fuel.
5. system as claimed in claim 3 is characterized in that, described main heat reservoir is provided with first heat exchange loop, and described first heat exchange loop is suitable for receiving heat from described main heater and is used to heat described main water capacity.
6. as the described system of the arbitrary claim in front, it is characterized in that described main water capacity fluid is communicated in that described central authorities add the heat supply current and current are returned in described central authorities heating, whereby, described main water capacity constitutes the part of central heating circuit.
7. as the described system of the arbitrary claim in front, it is characterized in that described at least one other heat reservoir is suitable for by two or more supplementary heating device heating.
8. as the described system of the arbitrary claim in front, it is characterized in that described main heat reservoir is provided with one or more other hydrothermal exchange loops, described hydrothermal exchange loop is suitable for receiving heat from one or more other thermals source.
9. as the described system of the arbitrary claim in front, it is characterized in that described at least one supplementary heating device comprises at least one in following: heat pump, electrical immersion heater, solar collector, organism thermal source, fuel cell or any other available heat sources.
10. as the described system of the arbitrary claim in front, it is characterized in that, be provided with two or more other heat reservoirs, each other heat reservoir comprises by the medium of separately supplementary heating device heating, described two or more other heat reservoirs are contacted, whereby, described central authorities heating return current and/or described feedwater current by with the heat reservoir of each polyphone in medium heat exchange and be heated to high temperature from low temperature.
11., it is characterized in that the described medium that is included in described at least one other heat reservoir comprises the secondary water volume as the described system of the arbitrary claim in front.
12. system as claimed in claim 11 is characterized in that, described other heat reservoir has basically and the identical structure of described main heat reservoir.
13., it is characterized in that described other heat reservoir is provided with heat exchange loop as claim 11 or 12 described systems, described heat exchange loop receives heat from described supplementary heating device and is used to heat described secondary water volume.
14. as the described system of arbitrary claim among the claim 11-13, it is characterized in that, described secondary water volumetric fluid is communicated in that described central authorities add the heat supply current and current are returned in described central authorities heating, and whereby, described secondary water volume constitutes the part of central heating circuit.
15. system as claimed in claim 14, it is characterized in that, described central authorities heating is returned current and is entered described other heat reservoir at lower area or its contiguous place of described other heat reservoir, and flows out described other heat reservoir at upper area or its contiguous place of described other heat reservoir.
16. system as claimed in claim 15, it is characterized in that, the pipeline of finishing central heating circuit is arranged between described main heat reservoir and the described other heat reservoir, and the fluid of setting up between the lower area of the upper area of described other heat reservoir and described main heat reservoir is communicated with.
17. system as claimed in claim 16 is characterized in that, the described pipeline of finishing central heating circuit is provided with check-valves, to prevent the reverse flow between described main heat reservoir and the described other heat reservoir.
18. as the described system of arbitrary claim among the claim 11-17, it is characterized in that, the current connecting pipeline is arranged between described main heat reservoir and the described other heat reservoir, described current connecting pipeline is established has pump, is used for optionally allowing water flow through between described main heat reservoir and the described other heat reservoir when temperature at described main water capacity is lower than the temperature of any other water capacity of connection.
19. the described system of arbitrary claim as among the claim 11-17 is characterized in that, the water that supplies to described waterworks flows through the water heat exchanger with described secondary water volume thermal communication, the described secondary heat exchanger that enters described main heat reservoir then.
20. system as claimed in claim 19, it is characterized in that, described water heat exchanger comprises first heat exchanger coil of the lower area that is arranged on described other heat reservoir and is connected the downstream of described first heat exchanger coil and is arranged on second heat exchanger coil of the upper area of described other heat reservoir, and described first heat exchanger coil causes consumption location at the described lower area of described other heat reservoir.
21. as the described system of arbitrary claim among the claim 1-10, it is characterized in that, be included in described medium in described at least one other heat reservoir comprise be suitable for roughly under being configured to the operating temperature of the described supplementary heating device of described medium heat supply solid-state and liquid between the material that undergoes phase transition.
22. as the described system of arbitrary claim among the claim 1-10, it is characterized in that, the described medium that is included in described at least one other heat reservoir comprises mixture or combination of materials, described mixture or combination of materials be suitable under being configured to the different temperatures in the preset range of the operating temperature of the described supplementary heating device of described medium heat supply solid-state and liquid between undergo phase transition.
23. as claim 21 or 22 described systems, it is characterized in that, be provided with two or more other heat reservoirs, each other heat reservoir comprises described medium, described two or more other heat reservoirs are contacted, whereby, described central authorities heating return current by with the heat reservoir of each polyphone in described medium heat exchange and be heated to high temperature from low temperature.
24. system as claimed in claim 23, it is characterized in that, described central authorities heating is returned current and/or described feedwater current and is flow through heat exchange loop in each heat reservoir in described two or more other heat reservoirs successively, and receive heat from the described medium that is included in each follow-up other heat reservoir, enter described main heat reservoir then.
25. heat reservoir system that is used to add hot water, described system comprises first heat reservoir and one or more other heat reservoir, each heat reservoir comprises and is suitable for the medium that heated by heater, and the operating temperature of the heater of first heat reservoir generally is higher than the operating temperature of the heater of each other heat reservoir; Flow path is arranged to pass through each heat reservoir until described first heat reservoir successively from last that other heat reservoir, whereby, the heated current of wanting along described flow path receive heat successively and are heated to high relatively temperature from low relatively temperature from each heat reservoir.
26. heat reservoir system that is used to add hot water, described system comprises a plurality of heat reservoirs, each heat reservoir has the fill hot loop of thermal communication in separately the heater that is used to heat the medium that comprises in it, and heat release loop, heat transfer between the fluid that is used to set up described medium and flow through described heat release loop, whereby, polyphone ground, the described heat release loop of described heat reservoir connects into and makes their fluid of flowing through from each heat reservoir reception heat and be heated to high relatively temperature from low relatively temperature.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0708420.5 | 2007-05-01 | ||
| GBGB0708420.5A GB0708420D0 (en) | 2007-05-01 | 2007-05-01 | A Hybrid thermal store |
| PCT/EP2008/003506 WO2008131964A2 (en) | 2007-05-01 | 2008-04-30 | A thermal store |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101939595A true CN101939595A (en) | 2011-01-05 |
Family
ID=38171008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800234007A Pending CN101939595A (en) | 2007-05-01 | 2008-04-30 | A thermal store |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100263606A1 (en) |
| EP (1) | EP2150753A2 (en) |
| CN (1) | CN101939595A (en) |
| EA (1) | EA200901462A1 (en) |
| GB (1) | GB0708420D0 (en) |
| WO (1) | WO2008131964A2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2995068A1 (en) * | 2012-09-05 | 2014-03-07 | Didier Thieme | System for heating circuits of e.g. water of different temperatures for heating sanitary water to heat dwelling building, has refrigerating exchanger condensing refrigerant, and exchanger pre-heating fluid going into another exchanger |
| US11608992B2 (en) * | 2013-10-03 | 2023-03-21 | Intellihot, Inc. | On-demand tankless high volume capable water heating system |
| US20150144304A1 (en) * | 2013-11-28 | 2015-05-28 | Enolcon Gmbh | High-temperature thermal storage device with induction heating and molten metal, and thermal storage-composite system |
| EP3173703A1 (en) * | 2015-11-27 | 2017-05-31 | Sharp Kabushiki Kaisha | Pre-heating thermal store |
| US11287144B2 (en) * | 2019-07-31 | 2022-03-29 | Rheem Manufacturing Company | Water heaters with real-time hot water supply determination |
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- 2007-05-01 GB GBGB0708420.5A patent/GB0708420D0/en not_active Ceased
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2008
- 2008-04-30 EP EP08749253A patent/EP2150753A2/en not_active Withdrawn
- 2008-04-30 WO PCT/EP2008/003506 patent/WO2008131964A2/en active Application Filing
- 2008-04-30 CN CN2008800234007A patent/CN101939595A/en active Pending
- 2008-04-30 US US12/601,495 patent/US20100263606A1/en not_active Abandoned
- 2008-04-30 EA EA200901462A patent/EA200901462A1/en unknown
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| DE2749877A1 (en) * | 1977-11-08 | 1979-05-10 | Otto Ing Grad Kreibaum | Domestic hot water system - has separate storage tanks for heat exchangers with solar and fossil heat supply |
| GB2153505A (en) * | 1984-02-03 | 1985-08-21 | Gledhill Water Storage | Water heating apparatus |
| WO1994021976A1 (en) * | 1993-03-23 | 1994-09-29 | Store Heat And Produce Energy, Inc | Heat pump air conditioning and thermal storage |
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| JP2005172342A (en) * | 2003-12-10 | 2005-06-30 | Kitakyushu Foundation For The Advancement Of Industry Science & Technology | Heat exchanging system and heat exchanging method using heat storage material |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2008131964A3 (en) | 2010-10-14 |
| WO2008131964A2 (en) | 2008-11-06 |
| EP2150753A2 (en) | 2010-02-10 |
| GB0708420D0 (en) | 2007-06-06 |
| EA200901462A1 (en) | 2011-02-28 |
| US20100263606A1 (en) | 2010-10-21 |
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