CN102997319A - Solar energy and sewage source heat pump combined heating system - Google Patents
Solar energy and sewage source heat pump combined heating system Download PDFInfo
- Publication number
- CN102997319A CN102997319A CN2012104461347A CN201210446134A CN102997319A CN 102997319 A CN102997319 A CN 102997319A CN 2012104461347 A CN2012104461347 A CN 2012104461347A CN 201210446134 A CN201210446134 A CN 201210446134A CN 102997319 A CN102997319 A CN 102997319A
- Authority
- CN
- China
- Prior art keywords
- heat
- water tank
- heat pump
- temperature
- temperature water
- 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.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a solar energy and sewage source heat pump combined heating system. A solar water heating system and a sewage source are connected in series with the heated part of a heat pump unit through a low-temperature water tank; the heat pump unit is started at valley electrovalence at night, an evaporating end is heated from the low-temperature water tank, and heat is completely stored by the solar water heating system when working at daytime; when the sewage source heat pump unit works at the valley electrovalence, the sewage source heat pump unit obtains low-grade heat energy from the low-temperature water tank and then releases high-grade heat energy through the heating cycle of the unit; part of the high-grade heat energy is stored in a high-temperature water tank, and the other part of the high-grade heat energy is directly supplied to end equipment for heating. According to the solar energy and sewage source heat pump combined heating system, phase-change materials are added to the high-temperature water tank to enhance the heat storage capacity and heat lag capability of the high-temperature water tank; the end equipment is lower in air supply temperature by adopting a fan coil to enhance the heat supply EER (Energy Efficiency Ratio) of the heat pump unit, so that the initial investment and operating cost of the heat pump unit are reduced; and the heat of the fan coil working at daytime is from the phase-change materials inside the high-temperature water tank and the heat storage amount of water at night.
Description
Technical field
The invention belongs to a renewable energy comprehensive and utilize technical field.Exactly be that solar energy and sewage source heat pump compound energy utilize system.
Background technology
The energy, environment and sustainable development are the themes of 21 century human society survival and development.In field of renewable energy resource utilization, it is flexible that heat pump techniques has a heat supply, Energy Efficiency Ratio is high, the operation and maintenance maintenance cost is low, the equipment construction duration, short difficulty was little, the advantages such as operation control is flexible have been avoided the construction of traditional central heating technology outside networks of heat supply and heat exchange station and energy resource consumption and the consumption of a large amount of non-renewable energy resources when moving in system; The solar heat water heating system then takes full advantage of the solar energy heating heating agent and the equipment installation is convenient, the duration is short, only have pipeline dynamic equipment and a small amount of electric energy of electric element consumption such as water pump in a whole set of circulatory system, save traditional central heating when operation a large amount of non-renewable energy resources consumption and the construction of heat supply network and heat exchange station drop into, native system is specifically for the composite optimization utilization of sewage source heat pump technology and solar water heating technology.
The independent application with both technology is mainly concentrated in domestic existing application for sewage source heat pump technology and solar water heating technology, but not cooperation carries out heating.
Use separately the solar heat water heating system to carry out heating because its thermic load of bearing is larger, the initial cost that needs the larger solar thermal collector of design area, and because the unstability of solar energy irradiation, for the round-the-clock normal heat supply of assurance system, the input that often needs larger heat accumulation equipment, such as heat storage water tank or end-equipment in conjunction with heat accumulating, and in order to guarantee that hot water cyclesystem do not freeze when night or outdoor temperature are extremely low, also need in pipeline and water tank, add electric-heating belt and temperature sensor etc.Therefore, all thermic loads of using separately the solar heat water heating system to bear building will cause larger system equipment initial cost;
If all thermic loads that adopt separately sewage source heat pump to bear building are carried out heat supply, then can increase initial cost and the later stage operating cost of source pump, and the SEER of source pump and IPLV also can change at any time along with the load variations of sewage water temperature and building heat, therefore can virtually increase the power consumption of source pump.
Summary of the invention
The present invention provides a kind of solar energy and the sewage source heat pump compound energy utilizes system.
Key technology is as follows
1. take full advantage of solar energy and realize heating;
2. take full advantage of the sewage source heat pump realization to the lifting of temperature and energy;
3. the solar heat water heating system is connected with sewage source heat pump system connecting;
4. adopt the phase-transition heat-storage technology, realize conversion and the storage of energy;
5. take full advantage of the policy of peak-trough electricity.
System equipment forms and operational process
Characteristics according to this building, the design's system schema is solar energy and sewage source heat pump unit combined heating system, solar water heating system is connected on the heat-obtaining part of source pump by low temperature water tank, and with 15 ℃ middle water as the water source, water temperature remained on 20 ℃ when low temperature water tank moved in system, low temperature water tank is less because of water and the external environment temperature difference, can not establish insulation, has saved a part of initial cost.The sewage source heat pump unit when the paddy electricity price is worked from the low temperature water tank heat-obtaining, the heat of low temperature water tank then comes from solar water heating system fully and is stored in the low temperature water tank when working in the daytime, the sewage source heat pump unit is obtained behind the low grade heat energy the circulation that heats through source pump from low temperature water tank, emit high-grade heat, and heat is stored in the high-temperature water tank, water temperature remained on 48 ℃ when high-temperature water tank moved in system, and in water tank, add phase-change heat-storage material, to improve heat storage capacity and the heat lag ability of high-temperature water tank, can reduce simultaneously volume and the cost of water tank, phase-change material adopts paraffin 48#, phase transition temperature is 48 ℃, and packaged type is sealing in the mineral water bottle.The hot equipment of terminal usefulness adopts fan coil, and supply water temperature is 45 ℃, and return water temperature is 38 ℃, and the temperature difference is 7 ℃, and the source pump condenser temperature is about 50 ℃.
The operation and control strategy of system
The sewage source heat pump unit moves when the electricity price low ebb, this moment source pump from the low temperature water tank heat-obtaining, through the heat supply after the circulation that heats of heat pump, institute's heating load offers indoor heat and the amount of stored heat of high-temperature water tank this moment; Then close source pump during the electricity price peak, the heat that the high-temperature heat-storage water tank stores during with the electricity price low ebb is emitted, offer fan coil to satisfy the indoor heating amount, meanwhile solar heat water heating system operation, sewage in the heating low temperature water tank, and heat is stored in the water heat-obtaining when treating the source pump operation.It is poor that this method of operation can take full advantage of the trough electricity price, makes source pump reach best performance driving economy, and then minimum operating cost.
Advantage of the present invention is
(1) takes full advantage of solar energy and realize heating;
(2) take full advantage of the sewage source heat pump realization to the lifting of temperature and energy;
(3) adopt the phase-transition heat-storage technology, realize conversion, storage and the delay of energy;
(4) take full advantage of the policy of peak-trough electricity, reach the optimum operation economy;
(5) get by the energy saving comparative analysis:
Annual standard coal 802 kg that save when 1. this cover energy conserving system is compared traditional central heating system operation.
2. reduce dust emission 3308 kg in the atmosphere, reduced airborne PM2.5; Reduce CO2 emission 2303 kg, weakened greenhouse effects; Reduce sulfur dioxide (SO2) emissions 8 kg, weakened acid rain formation; Reduce discharged nitrous oxides: 7 kg, weakened the formation of acid rain and the formation of photochemical fog.
To sum up, the compound utilization of both technology has well overcome shortcoming each other, has realized optimal running effect, economy and effects of energy conservation and environmental protection, fundamentally realizes the comprehensive utilization of green compound energy, is worth using energetically and promoting.
Description of drawings
Fig. 1 is connection diagram of the present invention.
The specific embodiment
With reference to accompanying drawing, solar thermal collector connects the low temperature heat storage water tank by pipeline, water source heat pump units during the low temperature heat storage water tank connects, middle water source heat pump units connects the high-temperature phase-change heat storage water tank, the high-temperature phase-change heat storage water tank connects the cold air distribution fan coil, and low temperature heat storage water tank and high-temperature phase-change heat storage water tank all are equipped with electric-heating belt.Water bottle encapsulation paraffin phase change material is wherein arranged, the external application foamed heat insulating in the high-temperature phase-change heat storage water tank.
Solar thermal collector is the glass tube with vacuum solar thermal collector.Valve is housed in the pipeline.Native system is solar energy and sewage solar energy and sewage source heat pump unit combined heating system, solar water heating system is connected on the heat-obtaining part of source pump by low temperature water tank, and with 15 ℃ middle water as the water source, water temperature remained on 20 ℃ when low temperature water tank moved in system, low temperature water tank is less because of water and the external environment temperature difference, can not establish insulation, the sewage source heat pump unit when the paddy electricity price is worked from the low temperature water tank heat-obtaining, the heat of low temperature water tank then comes from solar water heating system fully and is stored in the low temperature water tank when working in the daytime, the sewage source heat pump unit is obtained behind the low grade heat energy the circulation that heats through source pump from low temperature water tank, emit high-grade heat, and heat is stored in the high-temperature water tank.
Water temperature remained on 48 ℃ when high-temperature water tank moved in system, and in water tank, add phase-change heat-storage material, to improve heat storage capacity and the heat lag ability of high-temperature water tank, phase transition temperature is 48 ℃, and packaged type is sealing in the mineral water bottle, and the hot equipment of terminal usefulness adopts fan coil, supply water temperature is 45 ℃, return water temperature is 38 ℃, and the temperature difference is 7 ℃, and the source pump condenser temperature is about 50 ℃.
Claims (2)
1. solar energy and sewage source heat pump compound energy utilize system: it is characterized in that: native system is solar energy and sewage solar energy and sewage source heat pump unit combined heating system, solar water heating system is connected on the heat-obtaining part of source pump by low temperature water tank, and with 15 ℃ middle water as the water source, water temperature remained on 20 ℃ when low temperature water tank moved in system, low temperature water tank is less because of water and the external environment temperature difference, can not establish insulation, the sewage source heat pump unit when the paddy electricity price is worked from the low temperature water tank heat-obtaining, the heat of low temperature water tank then comes from solar water heating system fully and is stored in the low temperature water tank when working in the daytime, the sewage source heat pump unit is obtained behind the low grade heat energy the circulation that heats through source pump from low temperature water tank, emit high-grade heat, and heat is stored in the high-temperature water tank.
2. solar energy according to claim 1 and sewage source heat pump compound energy utilize system: it is characterized in that: water temperature remained on 48 ℃ when high-temperature water tank moved in system, and in water tank, add phase-change heat-storage material, to improve heat storage capacity and the heat lag ability of high-temperature water tank, phase transition temperature is 48 ℃, packaged type is sealing in the mineral water bottle, the hot equipment of terminal usefulness adopts fan coil, supply water temperature is 45 ℃, return water temperature is 38 ℃, the temperature difference is 7 ℃, and the source pump condenser temperature is about 50 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446134.7A CN102997319B (en) | 2012-11-09 | 2012-11-09 | Solar energy and sewage source heat pump compound energy utilize system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446134.7A CN102997319B (en) | 2012-11-09 | 2012-11-09 | Solar energy and sewage source heat pump compound energy utilize system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102997319A true CN102997319A (en) | 2013-03-27 |
| CN102997319B CN102997319B (en) | 2016-03-30 |
Family
ID=47926224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210446134.7A Active CN102997319B (en) | 2012-11-09 | 2012-11-09 | Solar energy and sewage source heat pump compound energy utilize system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102997319B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988413A (en) * | 2017-05-19 | 2017-07-28 | 中国建筑设计院有限公司 | Assembled architecture south wall solar heat corridor construction |
| CN112303956A (en) * | 2020-10-25 | 2021-02-02 | 山东中科能人工环境有限公司 | Sewage source heat pump equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1482518A (en) * | 1974-10-24 | 1977-08-10 | Evans J | Solar heating system |
| EP0117796A1 (en) * | 1983-02-07 | 1984-09-05 | Transformation d'Idées en Produits Industrialisables et Commercialisables (T.I.P.I.C.) | Air conditioning installation for a building |
| DE19850777A1 (en) * | 1998-11-04 | 2000-05-11 | Valentin Rosel | Combination accumulator feeds solar, earth and rainwater heat to heat pump, with two heat exchangers in pressure container for heat pump and solar circuit and one outer cover or heat exchanger for hot water or heating circuit |
| CN1570483A (en) * | 2004-05-14 | 2005-01-26 | 清华大学 | Phase transformation energy accumulation flooring air-conditioner heating method and apparatus |
| CN101832590A (en) * | 2009-03-13 | 2010-09-15 | 潘戈 | Solar heating system and method thereof for heating and supplying hot water |
| CN102213459A (en) * | 2010-04-09 | 2011-10-12 | 于�玲 | Household heat-pump heating system using waste heat of solar energy and domestic wastewater |
| CN102538049A (en) * | 2010-12-22 | 2012-07-04 | 邵勇 | Heating temperature time period heat supply for two-network hot reclaimed water storage |
-
2012
- 2012-11-09 CN CN201210446134.7A patent/CN102997319B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1482518A (en) * | 1974-10-24 | 1977-08-10 | Evans J | Solar heating system |
| EP0117796A1 (en) * | 1983-02-07 | 1984-09-05 | Transformation d'Idées en Produits Industrialisables et Commercialisables (T.I.P.I.C.) | Air conditioning installation for a building |
| DE19850777A1 (en) * | 1998-11-04 | 2000-05-11 | Valentin Rosel | Combination accumulator feeds solar, earth and rainwater heat to heat pump, with two heat exchangers in pressure container for heat pump and solar circuit and one outer cover or heat exchanger for hot water or heating circuit |
| CN1570483A (en) * | 2004-05-14 | 2005-01-26 | 清华大学 | Phase transformation energy accumulation flooring air-conditioner heating method and apparatus |
| CN101832590A (en) * | 2009-03-13 | 2010-09-15 | 潘戈 | Solar heating system and method thereof for heating and supplying hot water |
| CN102213459A (en) * | 2010-04-09 | 2011-10-12 | 于�玲 | Household heat-pump heating system using waste heat of solar energy and domestic wastewater |
| CN102538049A (en) * | 2010-12-22 | 2012-07-04 | 邵勇 | Heating temperature time period heat supply for two-network hot reclaimed water storage |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988413A (en) * | 2017-05-19 | 2017-07-28 | 中国建筑设计院有限公司 | Assembled architecture south wall solar heat corridor construction |
| CN112303956A (en) * | 2020-10-25 | 2021-02-02 | 山东中科能人工环境有限公司 | Sewage source heat pump equipment |
| CN112303956B (en) * | 2020-10-25 | 2022-03-18 | 山东中科能人工环境有限公司 | Sewage source heat pump equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102997319B (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103292513B (en) | Driven by Solar Energy list economic benefits and social benefits coupled mode lithium bromide refrigerator | |
| CN106482389B (en) | A kind of coupled thermomechanics utilize solar energy system and method | |
| CN207455948U (en) | A kind of PVT heat pump systems using solar radiation and sky cold emission | |
| CN103983042A (en) | Solar indoor cold and hot integrated system | |
| CN203629170U (en) | Composite energy heat pump type energy-saving household central air conditioner | |
| CN112814860B (en) | Circulating complementary cogeneration system of tower type solar photo-thermal power generation refrigerator and operation method thereof | |
| CN105180508A (en) | Combined cooling, heating and power supply system based on solar energy | |
| CN105783278A (en) | Fluorine pump and heat pump composite heat-accumulation type direct expansion type solar water heating system | |
| CN100427851C (en) | Solar-natural gas combined driven energy-saving air condioner | |
| CN203336874U (en) | Cold and hot water supply device capable of compositing and utilizing energy | |
| CN201621869U (en) | Concentrating solar combined heat power and cooling device | |
| CN101865541B (en) | Solar system | |
| CN103061833A (en) | Solar energy and biomass energy combined heat and power cogeneration device | |
| CN102997492B (en) | Solar hot water and air conditioner integrated heat utilization system | |
| CN107436047A (en) | A kind of carbon dioxide soil heat source heat pump and solar energy hybrid system and its heat-exchange method | |
| CN102997319B (en) | Solar energy and sewage source heat pump compound energy utilize system | |
| CN103162422A (en) | Household composite type water heater adopting solar heat pump embedded on building balcony and air source heat pump | |
| CN204757451U (en) | Solar energy auxiliary type heat pump set | |
| CN203224067U (en) | Solar combined refrigerating system | |
| CN202470474U (en) | Double-heat-source heat pump water heating system using air energy and solar energy | |
| CN105650944A (en) | Ground source recovery system and method | |
| CN101788191A (en) | Concentrating solar thermoelectric cold cogeneration system | |
| CN201837084U (en) | Solar system | |
| CN208186979U (en) | A kind of photovoltaic and photothermal solar and heat pump united drying system | |
| CN207247613U (en) | A kind of carbon dioxide soil heat source heat pump and solar energy hybrid system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230531 Address after: 116000 No. 14, floor 20, No. 6, Xiuzhu street, Zhongshan District, Dalian City, Liaoning Province Patentee after: Dalian Jianda building energy saving Technology Development Co.,Ltd. Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 Shenyang Construction University Patentee before: SHENYANG JIANZHU University |