CN103776195B - A kind of multi fuel thermal source assisted solar integrated refrigerating heating system - Google Patents
A kind of multi fuel thermal source assisted solar integrated refrigerating heating system Download PDFInfo
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- CN103776195B CN103776195B CN201410039840.9A CN201410039840A CN103776195B CN 103776195 B CN103776195 B CN 103776195B CN 201410039840 A CN201410039840 A CN 201410039840A CN 103776195 B CN103776195 B CN 103776195B
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- 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
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- 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
Abstract
A kind of multi fuel thermal source of the present invention assisted solar integrated refrigerating heating system, comprises refrigerating circuit, and the solar-heating loop of shared heat-storing heating stove, multi fuel heat supplying loop and solar heat resource loop; Heat-storing heating stove comprises urceolus inner core, forms heat storage water tank between inner core and urceolus; Heat storage water tank is respectively arranged with thermal source delivery port, thermal source water return outlet, heating delivery port, heating water return outlet and water filling port; Solar-heating loop comprises between heating delivery port and heating water return outlet and connects solar thermal collector and fan coil units successively; Multi fuel heat supplying loop comprises between heating delivery port and heating water return outlet and connects circulation branch road and fan coil units successively; Refrigerating circuit comprises the freezing water tank be connected in turn between the water side of fan coil units and water inlet end, solar absorption refrigerating machine, circulation switching valve and circulation branch road; Solar heat resource loop comprises the heating agent loop of solar thermal collector and solar absorption refrigerating machine.
Description
Technical field
The present invention relates to solar energy composite and utilize technical field, be specially a kind of multi fuel thermal source assisted solar integrated refrigerating heating system and process.
Background technology
Solar energy is as a kind of energy of clean environmental protection, and its economic cost effectiveness on heating, refrigerating operaton is high, therefore is praised highly use energetically by the whole society.But because the utilization of solar energy is overcast and rainy by nature weather, sunshine the reason such as market impact, at present in heat supply heating and refrigeration by the restriction of following condition:
One, due to solar energy solar thermal collector cisco unity malfunction under night and overcast and rainy snow condition, therefore need to arrange auxiliary heating/heat-exchanger rig and storage tank in solar-heating heating refrigeration system in design and installation, make system engineering difficulty and expense larger.
Two, due to solar energy have employed daytime, evening interim heat collection heating, hot water temperature is made to be middle low-temperature characteristics, lower during operation, general below 50 DEG C, therefore mostly can only adopt building low temperature floor radiation radiation heating and the heating of lithium bromide superconducting radiator at present, built or the building that comes into operation are promoted to being subject to severely restricts.
Three, because solar-heating heating is large especially by contrast in season, weather is colder in the winter time when needing heating, the solar illuminating time is short, intensity is weak, winter solar energy collector system efficiency is generally 20-40%, and when summer, indoor and outdoor temperature was higher, solar illuminating is strong on the contrary, cause the solar energy utilization ratio of existing solar energy system low, annual cost effectiveness is low, and accommodation is limited; And make the problem being difficult to mediation summer in winter balance in solar heating engineering, directly have influence on the promotion and application of solar heating Refrigeration Engineering.
Summary of the invention
The invention provides a kind of multi fuel thermal source assisted solar integrated refrigerating heating system, annual solar energy utilization ratio is high, heating and refrigerating efficiency high, strong adaptability.
The present invention is achieved through the following technical solutions:
A kind of multi fuel thermal source assisted solar integrated refrigerating heating system, comprises refrigerating circuit, and the solar-heating loop of shared heat-storing heating stove, multi fuel heat supplying loop and solar heat resource loop; Heat-storing heating stove comprises urceolus and is arranged on the inner core of outer barrel, and inner core upper end is provided with chimney, inner core sidewall is established multi fuel charge door, forms heat storage water tank between inner core and urceolus; Heat storage water tank is respectively arranged with thermal source delivery port, thermal source water return outlet, heating delivery port and heating water return outlet, and water filling port; Water filling port connecting line is provided with water injection valve; Solar-heating loop comprises solar thermal collector, connects solar thermal collector and fan coil units successively between heating delivery port and heating water return outlet; Multi fuel heat supplying loop comprises through the circulation switching valve circulation branch road in parallel with solar thermal collector, and circulation branch road is provided with circulation control valve; Circulation branch road and fan coil units is connected successively between heating delivery port and heating water return outlet; Refrigerating circuit comprises the freezing water tank be connected in turn between the water side of fan coil units and water inlet end, solar absorption refrigerating machine, and circulation switching valve and circulation branch road; Solar heat resource loop comprises the solar thermal collector be connected between heating delivery port and water injection valve, and is connected to the heating agent loop of the solar absorption refrigerating machine between thermal source delivery port and thermal source water return outlet.
Preferably, heating delivery port is connected to circulation switching valve by heating circulating pump and heating outlet valve successively.
Preferably, thermal source delivery port is connected to heating agent entrance by thermal source supply pump and thermal source outlet valve successively, and heating agent outlet is connected to thermal source water return outlet by thermal source back-water valve (BWV).
Preferably, between blower fan comb unit and heat-storing heating stove, heating back-water valve (BWV) is provided with dirt separator.
Preferably, multi fuel charge door comprises and is arranged on the liquid fuel charge door above inner core sidewall and the gaseous state solid fuel charge door below sidewall.
Preferably, between freezing water tank and solar absorption refrigerating machine, be provided with kind of refrigeration cycle pump, the water inlet end of freezing water tank be provided with chilled water back-water valve (BWV).
Preferably, the water inlet end of solar thermal collector and water side respectively correspondence be provided with heat collector water intaking valve and heat collector outlet valve.
Preferably, fan coil units comprises some fan coils be arranged in parallel.
Compared with prior art, the present invention has following useful technique effect:
Refrigeration system and heating system, by the setting of heat-storing heating stove, organically combine by the present invention, and as the supply tank of solar thermal collector and storage tank, can also realize auxiliary heating supply by the burning of pluralities of fuel; Achieve the integrated setting by solar energy water storage heat accumulation and auxiliary heating, not only achieve solar energy water storage, heating is complementary, and simplify heating, refrigeration process flow process, add safety guarantee, reduce engineering difficulty and improvement expenses; The circulation switching valve arranged is utilized to achieve making full use of of refrigerating circuit and multi fuel heat supplying loop common conduit, simple to operate, reduce cost; By the fan coil units arranged at heating user terminal, not only increase solar heating quality, and easilier to promote the use of on new and old building thing.Solve the unbalanced problem of solar energy winter summer heating season, the mode utilizing refrigerating circuit, heat-storing heating stove and solar absorption refrigerating machine assembly to close after stopping heating summer, realize heat supplement, refrigeration evaporator, freezed in space in building, not only increase living quality in summer, improve entire system utilization rate.
Further, by the heating circulating pump, heat-source Cycles pump and the kind of refrigeration cycle pump that arrange, and corresponding control valve can realize, to the control and regulation for warm refrigeration, improve the efficiency of refrigeration and heating, reducing Energy Efficiency Ratio.
Further, utilize the setting of dirt separator can ensure the unobstructed of pipeline, improve the service life of solar-heating loop, multi fuel heat supplying loop and solar heat resource loop, reduce service wear.
Further, the charge door independently arranged by respectively corresponding different conditions fuel, thus for the characteristic of different fuel, raising efficiency of combustion, and the mixed combustion of pluralities of fuel can be realized, raising fuel availability.
Further, utilize the valve of the control arranged respectively at solar thermal collector in-out end, make it can ensure to avoid extra thermal losses when multi fuel heat supplying loop uses, by the fan coil be arranged in parallel, heat supply heating area can be improved, utilize programming and distribution.
Accompanying drawing explanation
Fig. 1 is the composition connection diagram of structure described in example of the present invention.
In figure: heat-storing heating stove 1, gaseous state solid fuel charge door 2, liquid fuel charge door 3, chimney 4, heating circulating pump 5, solar thermal collector 6, fan coil units 7, dirt separator 8, solar absorption refrigerating machine 9, kind of refrigeration cycle pump 10, freezing water tank 11, thermal source supply pump 12, heating outlet valve 13, heat collector water intaking valve 14, heat collector outlet valve 15, water injection valve 16, circulation switching valve 17, circulation control valve 18, chilled water back-water valve (BWV) 19, heating back-water valve (BWV) 20, thermal source outlet valve 21, thermal source back-water valve (BWV) 22.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, and the explanation of the invention is not limited.
A kind of multi fuel thermal source of the present invention assisted solar integrated refrigerating heating system, as shown in Figure 1, comprises refrigerating circuit, and the solar-heating loop of shared heat-storing heating stove 1, multi fuel heat supplying loop and solar heat resource loop; Heat-storing heating stove 1 comprises urceolus and is arranged on the inner core of outer barrel, and inner core upper end is provided with chimney 4, inner core sidewall is established multi fuel charge door, forms heat storage water tank between inner core and urceolus; Heat storage water tank is respectively arranged with thermal source delivery port, thermal source water return outlet, heating delivery port and heating water return outlet, and water filling port; Water filling port connecting line is provided with water injection valve 16; Solar-heating loop comprises solar thermal collector 6, solar thermal collector 6 and fan coil units 7 is connected successively between heating delivery port and heating water return outlet, the solar energy of absorption is converted into thermal energy storage in heat-storing heating stove 1 by solar thermal collector 6, and realizes the heat supply heating to indoor through fan radiating coil pipe unit 7; Multi fuel heat supplying loop comprises through the circulation switching valve 17 circulation branch road in parallel with solar thermal collector 6, circulation branch road is provided with circulation control valve 18, utilizes conversion and cycle valve 17 pairs of solar thermal collectors 6 and circulation branch road to select; Circulation branch road and fan coil units 7 is connected successively between heating delivery port and heating water return outlet; When enabling multi fuel heat supplying loop, solar thermal collector 6 is independently separated short circuit, directly adopts heat-storing heating stove 1 to be that fan coil units realizes heating by multi fuel heat supplying loop; Refrigerating circuit comprises the freezing water tank 11 between water side and water inlet end being connected to fan coil units 7 in turn, solar absorption refrigerating machine 9, and circulation switching valve 17 and circulation branch road, utilize freezing water tank 11 to provide recirculated water during refrigeration to store, realize the utilization storing thermal source in heat-storing heating stove 1 and the steam cooling realized by cooling water by solar absorption refrigerating machine 9; Solar heat resource loop comprises the solar thermal collector 6 be connected between heating delivery port and water injection valve 16, and is connected to the heating agent loop of the solar absorption refrigerating machine 9 between thermal source delivery port and thermal source water return outlet.
In this preferred embodiment, as shown in Figure 1, heating delivery port is connected to circulation switching valve 17 by heating circulating pump 5 and heating outlet valve 13 successively.Thermal source delivery port is connected to heating agent entrance by thermal source supply pump 12 and thermal source outlet valve 21 successively, and heating agent outlet is connected to thermal source water return outlet by thermal source back-water valve (BWV) 22.Between blower fan comb unit 7 and heat-storing heating stove 1, heating back-water valve (BWV) 20 is provided with dirt separator 8.Multi fuel charge door comprises and is arranged on the liquid fuel charge door 3 above inner core sidewall and the gaseous state solid fuel charge door 2 below sidewall.Be provided with kind of refrigeration cycle pump 10 between freezing water tank 11 and solar absorption refrigerating machine, the water inlet end of freezing water tank 11 be provided with chilled water back-water valve (BWV) 19.The water inlet end of solar thermal collector 6 and water side respectively correspondence are provided with heat collector water intaking valve 14 and heat collector outlet valve 15.Fan coil units 7 comprises some fan coils be arranged in parallel.
When the present invention carries out heating use, first heating circulating pump 5 is opened, open heating outlet valve 13, heat collector water intaking valve 14, heat collector outlet valve 15 and water injection valve 16, start as water filling in heat-storing heating stove 1 by circulation, and utilize solar thermal collector 6 to heat, when water temperature reaches more than 30 DEG C, close water injection valve 16, open heating back-water valve (BWV) 20, by the fan coil units 7 i.e. heat supply heating of feasible system.If run into ice and snow, rain etc. long period extreme weather or due to solar thermal collector at night do not reach the requirement of thermal-arrest coolant-temperature gage time, then can start the bottom gaseous state solid fuel charge door 2 of heat-storing heating stove 1, or top liquid fuel charge door 3, can suit measures to local conditions, select gaseous state, solid-state or liquid fuel is heating water heating.During heating, close heat collector water intaking valve 14, by circulation switching valve 17, circulation branch road is communicated with, and ON cycle control valve 18, realize the heat-storing heating stove 1 auxiliary heat supplying heating of system.
After heating in summer stops, need to building, when house carries out solar refrigeration and air-conditioning, first heating circulating pump 5 is opened, open heating outlet valve 13, heat collector water intaking valve 14, heat collector outlet valve 15 and water injection valve 16, start as water filling in heat-storing heating stove 1 by circulation, and utilize solar thermal collector 6 to heat, when water temperature reaches more than 50 DEG C, open thermal source supply pump 12, thermal source outlet valve 21, thermal source back-water valve (BWV) 22, realize the connection of solar heat resource loop, for solar absorption refrigerating machine provides the supply of thermal source, ensure the normal operation of its inner generation systems, start kind of refrigeration cycle pump 10 and chilled water back-water valve (BWV) 19 simultaneously, and the cooling water path of solar absorption refrigerating machine, ensure that the normal operation of its internal condensation, vapo(u)rization system, and be separated by circulation switching valve 17 communication loop branch road and with the solar energy heating loop of solar thermal collector 6, solar energy heating loop is identical with the loop in heat-storing heating stove 1 during water filling, realize freezing by the fan coil units 7 be connected with circulation branch road, fan coil units 7 go out water loop by the chilled water back-water valve (BWV) 19 opened, flow back into after freezing water tank 11 in solar absorption refrigerating machine, realize kind of refrigeration cycle.
Claims (1)
1. a multi fuel thermal source assisted solar integrated refrigerating heating system, is characterized in that, comprise refrigerating circuit, and the solar-heating loop of shared heat-storing heating stove (1), multi fuel heat supplying loop and solar heat resource loop; Described heat-storing heating stove (1) comprises urceolus and is arranged on the inner core of outer barrel, and inner core upper end is provided with chimney (4), inner core sidewall is established multi fuel charge door, forms heat storage water tank between inner core and urceolus; Heat storage water tank is respectively arranged with thermal source delivery port, thermal source water return outlet, heating delivery port and heating water return outlet, and water filling port; Water filling port connecting line is provided with water injection valve (16);
Described solar-heating loop comprises solar thermal collector (6), connects solar thermal collector (6) and fan coil units (7) between heating delivery port and heating water return outlet successively;
Described multi fuel heat supplying loop comprises through circulation switching valve (17) the circulation branch road in parallel with solar thermal collector (6), circulation branch road is provided with circulation control valve (18); Circulation branch road and fan coil units (7) is connected successively between heating delivery port and heating water return outlet;
Described refrigerating circuit comprises the freezing water tank (11) between water side and water inlet end being connected to fan coil units (7) in turn, solar absorption refrigerating machine (9), and circulation switching valve (17) and circulation branch road;
Described solar heat resource loop comprises the solar thermal collector (6) be connected between heating delivery port and water injection valve (16), and is connected to the heating agent loop of the solar absorption refrigerating machine (9) between thermal source delivery port and thermal source water return outlet;
Described heating delivery port is connected to circulation switching valve (17) by heating circulating pump (5) and heating outlet valve (13) successively;
Described thermal source delivery port is connected to heating agent entrance by thermal source supply pump (12) and thermal source outlet valve (21) successively, and heating agent outlet is connected to thermal source water return outlet by thermal source back-water valve (BWV) (22);
Between described blower fan comb unit (7) and heat-storing heating stove (1), heating back-water valve (BWV) (20) is provided with dirt separator (8);
Described multi fuel charge door comprises and is arranged on the liquid fuel charge door (3) above inner core sidewall and the gaseous state solid fuel charge door (2) below sidewall;
Be provided with kind of refrigeration cycle pump (10) between described freezing water tank (11) and solar absorption refrigerating machine, the water inlet end of freezing water tank (11) be provided with chilled water back-water valve (BWV) (19);
The water inlet end of described solar thermal collector (6) and water side respectively correspondence are provided with heat collector water intaking valve (14) and heat collector outlet valve (15);
Described fan coil units (7) comprises some fan coils be arranged in parallel.
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Citations (6)
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CN101666529A (en) * | 2009-09-10 | 2010-03-10 | 顾全军 | Solar air-conditioner |
CN102052723A (en) * | 2010-08-04 | 2011-05-11 | 周存文 | Comprehensive cold/heat air supply system of solar air conditioner |
CN102563960A (en) * | 2010-12-20 | 2012-07-11 | 新奥科技发展有限公司 | Solar combined cooling, heating and power system |
CN203053079U (en) * | 2012-12-28 | 2013-07-10 | 陕西东泰能源科技有限公司 | Fuel gas auxiliary heating energy storage type solar energy absorption refrigeration device |
CN103411348A (en) * | 2013-07-29 | 2013-11-27 | 天普新能源科技有限公司 | Solar-assisted heat pump combined heating and refrigerating system and method |
CN203719234U (en) * | 2014-01-27 | 2014-07-16 | 艾绍奎 | Distributed multi-fuel heat source auxiliary solar integration refrigeration heating system |
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2014
- 2014-01-27 CN CN201410039840.9A patent/CN103776195B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101666529A (en) * | 2009-09-10 | 2010-03-10 | 顾全军 | Solar air-conditioner |
CN102052723A (en) * | 2010-08-04 | 2011-05-11 | 周存文 | Comprehensive cold/heat air supply system of solar air conditioner |
CN102563960A (en) * | 2010-12-20 | 2012-07-11 | 新奥科技发展有限公司 | Solar combined cooling, heating and power system |
CN203053079U (en) * | 2012-12-28 | 2013-07-10 | 陕西东泰能源科技有限公司 | Fuel gas auxiliary heating energy storage type solar energy absorption refrigeration device |
CN103411348A (en) * | 2013-07-29 | 2013-11-27 | 天普新能源科技有限公司 | Solar-assisted heat pump combined heating and refrigerating system and method |
CN203719234U (en) * | 2014-01-27 | 2014-07-16 | 艾绍奎 | Distributed multi-fuel heat source auxiliary solar integration refrigeration heating system |
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