CN106439993A - Multi-energy-complementary heating and heat supply system of nearly zero energy consumption building in alpine region - Google Patents

Multi-energy-complementary heating and heat supply system of nearly zero energy consumption building in alpine region Download PDF

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Publication number
CN106439993A
CN106439993A CN201610977200.1A CN201610977200A CN106439993A CN 106439993 A CN106439993 A CN 106439993A CN 201610977200 A CN201610977200 A CN 201610977200A CN 106439993 A CN106439993 A CN 106439993A
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China
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heat
heating
energy
building
pump
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CN201610977200.1A
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Chinese (zh)
Inventor
龙恩深
周静
肖雪飞
王子云
张堙
李彦儒
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Sichuan University
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Sichuan University
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Priority to CN201610977200.1A priority Critical patent/CN106439993A/en
Publication of CN106439993A publication Critical patent/CN106439993A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D12/00Other central heating systems
    • F24D12/02Other central heating systems having more than one heat source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/12Heat pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/14Solar energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

The invention relates to a multi-energy-complementary heating and heat supply system of a nearly zero energy consumption building in an alpine region. The solar energy is combined with building foundation storage energy storage to achieve heating in winter, and the solar energy is combined with an air source heat pump to achieve domestic hot water supply. The multi-energy-complementary heating and heat supply system comprises a solar thermal collector, a heat storage coil, a heat-preservation foundation heat storage layer, a plate heat exchanger, warm air blowers, the air source heat pump, a hot water tank and the like. In non-heating seasons, the solar thermal collector is used for heating domestic water which is then stored in the water tank, and the air source heat pump is used for auxiliary heating if heat energy is insufficient. In heating seasons, part of hot water flows into the heat storage coil to be stored for standby use or to be used for supplying heat to the interior of a room through the warm air blowers, and the other part of the hot water flows into the plate heat exchanger to heat domestic water. When solar radiation is weak, the hot water flows from the building foundation heat storage layer into the warm air blowers to supply heat to the interior of the room, and the air source heat pump operates in daytime with the high temperature to heat domestic water which is then stored for standby use. According to the multi-energy-complementary heating and heat supply system of the nearly zero energy consumption building in the alpine region, renewable energy sources are utilized for multi-energy complementation to achieve heating and domestic heat supply of the alpine region in winter, and nearly zero energy consumption operation of the building can be achieved.

Description

Provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of extremely frigid zones
Technical field
The invention belongs to carrying out, using regenerative resource, provide multiple forms of energy to complement each other heating and the heat supply category that energy matter is taken into account, more particularly, to Be combined solution winter heating using the solar energy that extremely frigid zones enrich with building lot accumulation of energy, solar energy is combined with air source heat pump Solve annual domestic hot-water supply, realize nearly zero energy consumption of extremely frigid zones building.
Background technology
(1)Extremely frigid zones generally refer to that height above sea level, latitude be high, the area of long-term low temperature, and in China, extremely frigid zones refer to green grass or young crops Hide some areas such as plateau, loess plateau.These regional spring and autumns are shorter, and summer is lowered the temperature with little need for using equipment, The winter heating time is veryer long, and the requirement to heating is higher.Because China's extremely frigid zones overwhelming majority is owed positioned at economy Reach area, urban construction is relatively costly, conventional energy resource lacks, therefore winter heating and annual hot water supply problem are difficult to always To effectively solving.
(2)Extremely frigid zones resident adopts scattered Living Style mostly, and the difficulty of construction setting up pipe network is big, and the cycle is long, throws Money is big, is therefore hardly formed organized heating and heating network system.Most residents rely on the local such as cattle manure, deadwood, coal Heating, heavy damage ecological balance and natural environment.Meanwhile, extremely frigid zones belong to coal, gas, oil starvation area, and electric power supplies Should be also very nervous, annual winter has power failure phenomenon to occur it is considered to electric heating and heat supply are infeasible.Therefore, the present invention amasss High altitudes and cold area heating policy is solved it is proposed that carrying out multipotency using regenerative resource during pole response national " 13 " Complementary heating and heating system, meet the theory of environmental protection ecodevelopment.
(3)Solar energy, as widely distributed, the inexhaustible clean energy resource of one kind, is paid much attention to by China, and China The application of solar thermal collector is no longer limited to provide domestic hot-water, just progressively expands to heating application direction.China is permitted Many scholars, with regard to the peculiar weather conditions of extremely frigid zones, have shown that to be entirely possible to enable to build winter heating by the sun by research And whole year heat supply, but the solar cross space-time how to enrich daytime stores and hampers solar heating development always.Traditional water Case amount of stored heat little it is impossible to accommodate large area heating needed for heat.Soil is the stronger material of thermal inertia, is externally exposed meteorology Under the conditions of the soil surface temperature fluctuation decay that can occur by a relatively large margin with the increase of depth, soil is cheap and can be on the spot Draw materials, therefore the present invention propose by extremely frigid zones enrich solar energy be combined with building lot accumulation of energy solve winter utilize solar energy Heating problem.
(4)Air source heat pump, as one kind of heat pump techniques, has the good reputation of " porter of the Nature energy ", using becoming The multiple advantage such as this is low, easy to operate, effect is good, safe, clean.By consuming a small amount of electrical energy drive compressor operation, it is right to realize The transfer of ubiquitous air low-grade energy, configuration that need not be complicated.As regenerative resource, in China's demand increasingly Urgently, its energy-saving and environmental protection, safe, comfortable advantage are very prominent.Therefore the present invention proposes solar energy and air source heat pump multipotency Complementary solution whole year domestic hot-water supply, significantly improves renewable energy utilization rate, realizes nearly zero energy consumption of extremely frigid zones building, Solved a difficult problem for China's energy-saving and emission-reduction further.
Content of the invention
The present invention proposes to be combined solution winter heating, the sun with building lot accumulation of energy using the solar energy that extremely frigid zones enrich The annual domestic hot-water supply of solution can be combined with air source heat pump, be one kind be applied to extremely frigid zones heating and heat supply new method, Energy-saving and emission-reduction new model, regenerative resource is maximally utilized, and realizes nearly zero energy consumption of extremely frigid zones building.
Provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of extremely frigid zones, including solar thermal collector, heat-storage plate Pipe, insulation ground recuperation layer, plate type heat exchanger, warm-air drier, air source heat pump, boiler, expansion tank, accumulation of heat circulating pump, confession Warm circulating pump, heat pump cycle pump, valve etc., the present invention is achieved through the following technical solutions:
During non-heating season fine day, solar thermal collector absorbs solar radiation heat cycles water, is heated from the beginning by plate type heat exchanger Water is stored in boiler domestic hot-water supply;When solar radiation weaker overcast and rainy, night or domestic hot-water's demand are larger, fortune Row air source heat pump auxiliary heating tank hot water, whole day hot water demand when meeting resident's non-heating season section.During Heating Season fine day, too Sun can absorb solar radiation heat cycles water by heat collector, and a part of hot water flows into heat-storage plate pipe and stores for future use or can lead to as needed Cross warm-air drier to indoor heating, another part hot water flows into plate type heat exchanger heating tap water and is stored in boiler for life heat Water;When the weaker rainy weather of solar radiation or night, close solar thermal collector, building lot accumulation of energy is flowed into warm braw Machine is to indoor heating it is also possible to pass through the stronger ground of heat-transfer capability, pillar, metope, floor to indoor heating, in building enclosure Surface temperature is high, and thermal environment is more comfortable.Domestic hot-water is then stored in hot water by air source heat pump in the higher operation on daytime of temperature Case provides, and the outside air temperature on extremely frigid zones daytimes will be significantly higher than night, and what this made to run air source heat pump daytime heats season The section coefficient of performance significantly improves, beneficial to energy-conservation.
, as main heating source, air source heat pump is as auxiliary thermal source for solar thermal collector of the present invention.Solar thermal collector with Building lot accumulation of energy combines and solves winter heating, and solar thermal collector is combined the annual domestic hot-water of solution and supplies with air source heat pump Should.Using plate type heat exchanger as solar thermal collector heat exchange process Intermediate Heat Exchanger, plate type heat exchanger has heat transfer Coefficient height, compact conformation, assembling flexibly and the convenient feature of disassembly, cleaning, can convert heat-transfer surface with increase and decrease No. of plates Long-pending, to adapt to the change of thermic load.
The air source heat pump specifications parameter of the present invention is by solar thermal collector area and boiler volume Optimized Matching.In sky Between air supply heat pump and boiler, circulating line is set, realizes changing between air source heat pump and boiler by heat pump cycle pump Heat, makes the water of boiler heat up with domestic hot-water supply.Meanwhile, boiler has a good Insulation, the material of water tank, The design such as pipe arrangement all meets《Code for design of building water supply and sewerage》GB50015 pertinent regulations.
Compared with prior art, the invention has the beneficial effects as follows:
(1)The present invention proposes one kind and is applied to extremely frigid zones solar heating new method, and accumulation of heat coil pipe is embedded in insulation ground Recuperation layer and with building image construction, the huge heat storage performance of ingenious utilization building lot replaces traditional accumulation of heat water Case, solves the intermittent and unstable shortcoming of solar energy, has the remarkable advantage of accumulation of energy spanning space-time.
(2)The present invention utilizes based on solar thermal collector, and it is single that the form of providing multiple forms of energy to complement each other supplemented by air source heat pump substitutes tradition One Fossil fuel, provides stable and high-quality the energy, meets indoor heating and resident living hot water demand, significantly improving can be again Energy-saving and emission-reduction are had positive role by raw energy utilization rate.
(3)The present invention according to the Changing Pattern of heating load and hot water demand, whole energy utilization mechanism of making rational planning for. Solar thermal collector heat supply when non-heating season solar energy is stronger, not only accumulation of energy heating but also the heat supply when Heating Season solar energy is stronger; Air source heat pump when non-heating season solar energy weaker overcast and rainy and night as auxiliary heating source for heating domestic hot-water, in heating During Ji Wendu higher daytime storage hot water in water tank it is ensured that habitant domestic hot-water is successive throughout the year.
(4)The present invention solves in the existing heating of extremely frigid zones and heat supply process and compares single defect, needs less power consumption Equipment, realizes nearly zero energy consumption of extremely frigid zones building, has preferably economic benefit and use prospect.
Brief description
Fig. 1 is provide multiple forms of energy to complement each other heating and the heating system schematic diagram of the nearly zero energy consumption building of extremely frigid zones of the present invention.
In figure:1- solar thermal collector, 2- accumulation of heat coil pipe, 3- insulation ground recuperation layer, 4- plate type heat exchanger, 5- air source Heat pump, 6- boiler, 7- warm-air drier, 8- expansion tank, 9- accumulation of heat circulating pump, 10- heating circulating pump, 11- heat pump cycle pump, valve Door(12-19).
Specific embodiments
Fig. 1 is provide multiple forms of energy to complement each other heating and the heating system schematic diagram of the nearly zero energy consumption building of extremely frigid zones of the present invention, below will Describe specific embodiments of the present invention in conjunction with Fig. 1 in detail, to become apparent from, intuitively understanding the essence of the present invention.It includes Solar thermal collector(1), accumulation of heat coil pipe(2), insulation ground recuperation layer(3), plate type heat exchanger(4), air source heat pump(5)、 Boiler(6), warm-air drier(7), expansion tank(8), accumulation of heat circulating pump(9), heating circulating pump(10), heat pump cycle pump(11)、 Valve(12-19).
The system includes 4 inner loop loops:(One), heating water loop from the beginning by solar thermal collector(1), accumulation of heat follows Ring pump(9), valve(12、15、16), plate type heat exchanger(4)Composition.The annual period, solar thermal collector(1)Absorb solar radiation Heat cycles water, flows into plate-type heat-exchange gas according to demand(4), heat tap water and be stored in boiler(6)With domestic hot-water supply.When When solar radiation weaker overcast and rainy, night or domestic hot-water's demand are larger, by air source heat pump(5)Auxiliary heating water tank (6)Hot water.
(Two), building lot energy storage loop is by solar thermal collector(1), accumulation of heat coil pipe(2), insulation ground recuperation layer(3)、 Accumulation of heat circulating pump(9), valve(12、13、14、15)Composition.During non-heating season, close valve(13、14), stop to building lot Accumulation of energy;During Heating Season, solar thermal collector(1)Absorb solar radiation heating water, heat-storage plate pipe is flowed into according to heating demand(2)To Building lot accumulation of energy, realizes solar cross space-time accumulation of energy.
(Three), solar heating loop is by solar thermal collector(1), heating circulating pump(10), valve(12、15、17), warm Blower fan(7)Composition;During Heating Season fine day, solar thermal collector(1)Absorb solar radiation heat cycles water, according to indoor heating need Seek inflow warm-air drier(7).
(Four), ground accumulation of energy heating closed circuit is by accumulation of heat coil pipe(2), insulation ground recuperation layer(3), heating circulating pump (10), valve(13、14、17), warm-air drier(7)Composition.If during Heating Season solar radiation weaker overcast and rainy and night, shutoff valve Door(12、15), solar thermal collector out of service(1), open valve(13、14、17), open heating circulating pump(10), insulation Ground recuperation layer(3)By warm-air drier(7)To room release accumulation of heat heating, meanwhile, heat-transfer capability can also be passed through stronger Ground, pilum, body of wall and floor radiate to room.If extreme cold night occurs, crack valve(12、15), Ke Yifen Stream part heat enters solar thermal collector(1)Pipeline, prevents bursting by freezing.
Solar thermal collector(1)Area is by local intensity of solar radiation, constructure heating load and domestic hot-water's demand etc. Optimized Matching, installation position, mounted angle, in front and back trestle column by build geographic location determine.
Accumulation of heat coil pipe(2)It is arranged in insulation ground recuperation layer in Back Word type(3), its caliber, pipe range, spacing are negative by room heat Lotus and insulation ground recuperation layer(3)The Optimized Matchings such as accumulation of heat potentiality, are incubated ground recuperation layer(3)Surrounding is respectively provided with certain thickness Insulation material, prevents accumulation of energy to scatter and disappear.Expansion tank(8)Running for whole system provides moisturizing.
Plate type heat exchanger(4)As solar heat-collection plate(1)The Intermediate Heat Exchanger of heat exchange process, can increase and decrease board-like Heat exchanger(4)No. of plates converting heat exchange area, to adapt to the change of heating load.
Air source heat pump(5)Specifications parameter according to solar thermal collector(1)Area and boiler(6)Volume optimization Join, in air source heat pump(5)And boiler(6)Between arrange circulating line, by heat pump cycle pump(11), valve(19)Realize Air source heat pump(5)With boiler(6)Between heat exchange, make boiler(6)Water heat up with domestic hot-water supply.

Claims (7)

1. provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of a kind of extremely frigid zones, including solar thermal collector(1), store Hot coil(2), insulation ground recuperation layer(3), plate type heat exchanger(4), air source heat pump(5), boiler(6), warm-air drier(7)、 Expansion tank(8), accumulation of heat circulating pump(9), heating circulating pump(10), heat pump cycle pump(11), valve(12-19).
2. the nearly zero energy consumption building of the extremely frigid zones according to right 1 provide multiple forms of energy to complement each other heating and heating system it is characterised in that: Heating water loop from the beginning is by solar thermal collector(1), accumulation of heat circulating pump(9), valve(12、15、16), plate type heat exchanger(4)Structure Become;Building lot energy storage loop is by solar thermal collector(1), accumulation of heat coil pipe(2), insulation ground recuperation layer(3), accumulation of heat circulating pump (9), valve(12、13、14、15)Constitute;Solar heating loop is by solar thermal collector(1), heating circulating pump(10), valve (12、15、17), warm-air drier(7)Constitute;Ground accumulation of energy heating loop is by accumulation of heat coil pipe(2), insulation ground recuperation layer(3), heating Circulating pump(10), warm-air drier(7), valve(13、14、17)Constitute.
3. provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of the extremely frigid zones according to right 1, is characterized in that:Too Sun can heat collector(1)Area is by Optimized Matchings such as local intensity of solar radiation, constructure heating load and domestic hot-water's demands;Peace Dress orientation, mounted angle, trestle column is by building geographic location Optimized Matching in front and back.
4. provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of the extremely frigid zones according to right 1, is characterized in that:Store Hot coil(2)It is arranged in insulation ground recuperation layer in Back Word type(3), its caliber, pipe range, spacing are by room thermic load and insulation ground Base recuperation layer(3)The Optimized Matchings such as accumulation of heat potentiality, are incubated ground recuperation layer(3)Surrounding is respectively provided with certain thickness insulation material, Accumulation of energy is prevented to scatter and disappear.
5. provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of the extremely frigid zones according to right 1, is characterized in that:Adopt Use plate type heat exchanger(4)As solar heat-collection plate(1)The Intermediate Heat Exchanger of heat exchange process, plate type heat exchanger(4)Have Heat transfer coefficient height, compact conformation, assembling flexibly and the convenient feature of disassembly, cleaning, can convert heat exchange with increase and decrease No. of plates Area, to adapt to the change of thermic load.
6. provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of the extremely frigid zones according to right 1, is characterized in that:Empty Air supply heat pump(5)Specifications parameter according to solar thermal collector(1)Area and boiler(6)The Optimized Matchings such as volume, in air Source heat pump(5)And boiler(6)Between arrange circulating line, by heat pump cycle pump(11), valve(19)Realize air source heat Pump(5)With boiler(6)Between heat exchange, make boiler(6)Water heat up with domestic hot-water supply.
7. provide multiple forms of energy to complement each other heating and the heating system of the nearly zero energy consumption building of the extremely frigid zones according to right 1, is characterized in that:Many Energy complementary type is with solar thermal collector(1)Based on, air source heat pump(6)Supplemented by, solar thermal collector(1)Store with building lot Can be in conjunction with solution winter heating, solar thermal collector(1)With air source heat pump(6)In conjunction with the annual domestic hot-water supply of solution.
CN201610977200.1A 2016-11-08 2016-11-08 Multi-energy-complementary heating and heat supply system of nearly zero energy consumption building in alpine region Pending CN106439993A (en)

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CN109028275A (en) * 2018-06-21 2018-12-18 南瑞集团有限公司 A kind of user side building multiple-energy-source Optimization Scheduling
CN109882973A (en) * 2019-02-13 2019-06-14 山东飞天新能源有限公司 Solar energy, multi-source heating system
CN111335726A (en) * 2020-03-05 2020-06-26 张昊天 Passive building design integration system
EP3696765A1 (en) 2019-02-15 2020-08-19 Aristotle University of Thessaloniki - Elke Method for improving the performance of the energy management in a nearly zero energy building and system therefor
CN112229075A (en) * 2020-10-09 2021-01-15 于永峰 Development method of solar heat collection plate for severe cold area
CN112359958A (en) * 2020-11-02 2021-02-12 钱小进 Low-rise building wall with external solar heating structure

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CN111335726A (en) * 2020-03-05 2020-06-26 张昊天 Passive building design integration system
CN112229075A (en) * 2020-10-09 2021-01-15 于永峰 Development method of solar heat collection plate for severe cold area
CN112359958A (en) * 2020-11-02 2021-02-12 钱小进 Low-rise building wall with external solar heating structure

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