CN101984296A - Solar floor heating and hot water supply system - Google Patents

Solar floor heating and hot water supply system Download PDF

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Publication number
CN101984296A
CN101984296A CN 201010566914 CN201010566914A CN101984296A CN 101984296 A CN101984296 A CN 101984296A CN 201010566914 CN201010566914 CN 201010566914 CN 201010566914 A CN201010566914 A CN 201010566914A CN 101984296 A CN101984296 A CN 101984296A
Authority
CN
China
Prior art keywords
floor heating
water
solar energy
working medium
solar
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.)
Pending
Application number
CN 201010566914
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Chinese (zh)
Inventor
胡明辅
闻华荣
颜永明
毛文元
别玉
常静华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUNNAN NENGGONG SOLAR ENERGY ENGINEERING Co Ltd
Kunming University of Science and Technology
Original Assignee
YUNNAN NENGGONG SOLAR ENERGY ENGINEERING Co Ltd
Kunming University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YUNNAN NENGGONG SOLAR ENERGY ENGINEERING Co Ltd, Kunming University of Science and Technology filed Critical YUNNAN NENGGONG SOLAR ENERGY ENGINEERING Co Ltd
Priority to CN 201010566914 priority Critical patent/CN101984296A/en
Publication of CN101984296A publication Critical patent/CN101984296A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • Y02B10/20Solar thermal

Abstract

The invention relates to a solar floor heating and hot water supply system, belonging to the field of photo-thermal application of solar energy. The system provided by the invention is composed of a solar collector array, a domestic hot water tank, a heat accumulation working medium tank, a floor heating coiled tube, a solar circulating pump and a floor heating circulating pump. The invention is characterized in that the solar domestic hot water tank and the heat accumulation working medium tank are relatively independent water tanks the working media of which are separated but maintain thermal connection. The system ensures domestic hot water supply on a priority basis and the quality of the domestic hot water is not polluted by the floor heating cycle working medium; and in addition, uniform working medium is applied to the solar circulation and floor heating circulation, so that scale formation of a solar thermal collector is avoided and the service life of the solar thermal collector is lengthened.

Description

A kind of solar energy floor heating and hot-water supply system
Technical field
The present invention relates to a kind of helioplant, belong to the solar thermal utilization field of solar energy.
Background technology
Along with The development in society and economy, the energy and environment problem seems and becomes increasingly conspicuous.A large amount of development and use regenerative resources realize low-carbon economy, have become the common recognition of society.Up to the present, the solar thermal utilization of solar energy is still the mode of utilizing that has the best price/performance ratio in the utilization of new energy resources.Current, the solar thermal utilization of solar energy is mainly used in building domestic hot-water's heating, satisfies people domestic hot-water demand.Also develop some in recent years and taken into account the solar energy heat utilization system of hot water supply and building and heating, adopt single water tank, be the shared water tank of heating circulation and domestic hot-water, domestic hot-water and heating hot water are used with, are causing the influence of heating to the domestic hot-water aspect heat and water quality; Heating and solar energy circulation is also arranged with working medium, but the heat that is not provided with in heat accumulation working medium case or the heat accumulation working medium case has no idea to be utilized by the domestic hot-water, system availability is poor.
Floor heating is that heat is stored in the floor, by flooring radiation and cross-ventilation and heat is passed to the interior space.Floor heating combines with the solar energy optical-thermal system, can greatly reduce the capacity of solar heat storage water tank, so floor heating is the good terminal form of solar heating.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, invent a kind of comparatively desirable taking into account the hot water supply and build the sun energy floor heating and the hot-water supply system of floor heating, the also preferential domestic hot-water of assurance supply.
The present invention is achieved in that solar energy floor heating and hot-water supply system are by solar thermal collector array (1), domestic hot-water's case (5), heat accumulation working medium case (13), floor heating coil pipe (7), solar energy circulation pipe (17), solar energy circulating pump (18), solar energy circulation communicating pipe (9), heat exchanger (6), floor heating circulation pipe (8) and floor heating circulating pump (9) are formed, solar energy circulation pipe (17) is connected in series with solar energy circulating pump (18), solar energy circulation pipe (17) one ends connect the bottom from heat accumulation working medium case (13), solar energy circulation pipe (17) other end is connected with the inlet (1.1) of collector array (1), solar energy circulation pipe (2) one ends connect the outlet (1.2) from collector array (1), solar energy circulation pipe (2) other end connects the inlet (6.1) of the heat exchanger (6) in domestic hot-water's case (5), solar energy circulation communicating pipes (9) one end connects the outlet (6.2) of the heat exchanger (6) in life boiler (5), and solar energy circulation communicating pipe (9) other end connects the top of heat accumulation working medium case (13); Floor heating circulation pipe (8) is connected in series with floor heating circulating pump (9), floor heating circulation pipe (8) one terminates at the top from heat accumulation working medium case (13), floor heating circulation pipe (8) other end is connected with floor heating coil pipe (7), and floor heating return pipe (10) connects from floor heating coil pipe (7) to heat accumulation working medium case (13) bottom; Preheater (15) inlet (15.1) that running water pipe is connected in the heat accumulation working medium case (13) is located, domestic hot-water's communicating pipes (12) one, termination was from the outlet (15.2) of preheater (13), domestic hot-water's communicating pipe (12) other end bottom of boiler alive (5) of delivering a child, hot-water line (3) is connected with the top of domestic hot-water's case (5).
Domestic hot-water's case (5) is a bearing type water tank, and heat accumulation working medium case (13) is non-press-bearing water tank.
The forced circulation mode is adopted in solar energy circulation of the present invention, provide circulation power by the solar energy circulating pump, cycle fluid goes out from the bottom of heat accumulation working medium case, enter the heating of solar thermal collector array by the solar energy circulation pipe, come out to enter heat exchanger domestic hot-water's case from the solar thermal collector array through the solar energy circulation pipe, by the hot water in the heat exchanger heating domestic hot-water case, enter the top of heating water tank again communicating pipe by the solar energy circulation.Floor heating cycles through the floor heating circulating pump circulation power is provided, and cycle fluid goes out from heat accumulation working medium upper box part, through the floor heating coil pipe heat is passed to the floor, returns the bottom of heating water tank; Hot water supply is: running water enters the bottom of domestic hot-water's case communicating pipe again through the preheater heating in the heat accumulation working medium case by the domestic hot-water, hot water goes out from the top of domestic hot-water's case.
The effect of heat accumulation working medium case of the present invention is to store working medium, store heat and stabilize the working medium temperature, utilizes for floor heating and domestic hot-water.In heat accumulation working medium case preheater is set, it directly acts on is pre-hot tap-water, improves the temperature that enters cold water in domestic hot-water's case.Its basic purpose is in the preferential supply that guarantees the domestic hot-water of heating season, to provide a kind of method of utilizing heat in the heat accumulation working medium case at the non-heating season joint.
The solar energy circulating system of the present invention and the floor heating circulatory system are the normal pressure system, and heat accumulation working medium case is non-press-bearing water tank, so can improve reliability, the reduction system cost of system; Domestic hot-water's supply is a pressure system, and domestic hot-water's case is a bearing type water tank, so can utilize the pressure of running water to ensure the hot water pressure of supply water, and make hot water or cold water's pressure equal substantially, is beneficial to the simplification of system, and improves the convenience and the comfortableness of water.
Characteristics/advantage of the present invention is, solar energy domestic hot-water case and heat accumulation working medium case are relatively independent separately water tank, working medium is separately separated, but have the contact of heat each other, system preferentially guarantees domestic hot-water's supply, and domestic hot-water's water quality is not subjected to the pollution of floor heating cycle fluid, in addition, solar energy circulation and floor heating circulation can be avoided solar thermal collector fouling, corrosion all with unified working medium, prolong its service life.
Description of drawings
The invention will be further described below in conjunction with the accompanying drawing illustrated embodiment.
Fig. 1 is an embodiment of the invention structural representation.
Among the figure: solar thermal collector array 1, collector array inlet 1.1, collector array outlet 1.2, solar energy circulation pipe 2, hot-water line 3, expansion tank 4, domestic hot-water's case 5, heat exchanger 6, heat exchanger entrance 6.1, heat exchanger exit 6.2, floor heating coil pipe 7, floor heating circulation pipe 8, floor heating circulating pump 9, floor heating return pipe 10, solar energy circulation communicating pipe 11, domestic hot-water's communicating pipe 12, heat accumulation working medium case 13, exhaust outlet 14, preheater 15, ball-cock assembly 16, solar energy circulation pipe 17, solar energy circulating pump 18, running water pipe 19.
The specific embodiment
Solar energy floor heating and hot-water supply system are made up of solar thermal collector array 1, domestic hot-water's case 5, heat accumulation working medium case 13, floor heating coil pipe 7, solar energy circulation pipe 17, solar energy circulating pump 18, solar energy circulation communicating pipe 9, heat exchanger 6, floor heating circulation pipe 8 and floor heating circulating pump 9.
Solar energy cycles through solar energy circulating pump 18, goes out from the bottom of heat accumulation working medium case 13, through 1 heating of solar thermal collector array, through the heat exchanger 6 in domestic hot-water's case 5, enters the top of heat accumulation working medium case 13 again; Floor heating cycles through floor heating circulating pump 9, goes out from heat accumulation working medium case 13 tops, through floor heating coil pipe 7, gets back to the bottom of heat accumulation working medium case 18; Hot water supply is: the preheater 15 in the running water process heat accumulation working medium case 13 enters the bottom of domestic hot-water's case 5, and hot water goes out from the top of domestic hot-water's case 5.
The forced circulation mode is adopted in the solar energy circulation, adopt ordinary tap water as cycle fluid, provide circulation power by solar energy circulating pump 18, cycle fluid goes out from the bottom of heat accumulation working medium case 13, enter 1 heating of flat-plate solar heat collector array by solar energy circulation pipe 17, come out to enter heat exchanger 6 domestic hot-water's case 5 from the solar thermal collector array through solar energy circulation pipe 2, by heat exchanger 6, the heat of cycle fluid is passed to the hot water in domestic hot-water's case, domestic hot-water's temperature is improved, and cycle fluid enters the top of heat accumulation working medium case 13 again communicating pipe 11 by the solar energy circulation.In order to remedy loss of working substance, adopt built-in ball-cock assembly 16 and connect running water pipe 19, guarantee the liquid level in the heat accumulation working medium case 13.Known temperature difference loop control mode and device are adopted in the solar energy loop control.
Floor heating adopts the forced circulation mode, provides circulation power by floor heating circulating pump 9, and cycle fluid goes out from heat accumulation working medium case 13 tops, through floor heating coil pipe 7 heat is passed to the floor, returns the bottom of heat accumulation working medium case 13 water tanks.Known loop control mode and device are adopted in the floor heating loop control.
Hot water supply is: running water inserts preheater 15 preheatings in the heat accumulation working medium casees 13 through running water pipe 19, enters the bottom of domestic hot-water's case 5 again by domestic hot-water's communicating pipe 12, and hot water goes out from the top hot-water line 3 of domestic hot-water's case 5.On hot-water line 3, connect expansion tank 4, can slow down the heat hydraulic pressure's fluctuating range that causes owing to variations in temperature, tap water pressure fluctuation.
Present embodiment adopts running water as cycle fluid, and running water has advantages such as thermal capacitance is big, thermal conductivity factor is high, cheap.But water does not have antifreeze function as working medium, needs the antifreeze problem of taking into account system separately, and present embodiment adopts known round-robin method antifreeze.
Heat accumulation working medium case 13 is the normal pressure water tank, exhaust outlet 14 is set to guarantee its normal pressure operation, ensures its security.
Structure of the present invention is not limited to structure shown in the accompanying drawing (embodiment).Can increase auxiliary thermal sources such as electrical heating, heat pump or combustion gas heating as system, constitute round-the-clock heating system; Solar energy heating and heating working medium except that adopting water, also available other working medium with antifreeze function; Ball-cock assembly can be built-in, also can be external, and also available liquid level sensor-controller is for it; Heat collector also can be used vacuum tube type, heat pipe type except that with plate; System is antifreeze except that adopting round-robin method, also can adopt purging method etc.Adopt different implementation methods, system architecture can be done corresponding change, but still belongs to protection category of the present invention.

Claims (2)

1. solar energy floor heating and hot-water supply system, it is characterized in that system is by solar thermal collector array (1), domestic hot-water's case (5), heat accumulation working medium case (13), floor heating coil pipe (7), solar energy circulation pipe (17), solar energy circulating pump (18), solar energy circulation communicating pipe (9), heat exchanger (6), floor heating circulation pipe (8) and floor heating circulating pump (9) are formed, solar energy circulation pipe (17) is connected in series with solar energy circulating pump (18), solar energy circulation pipe (17) one ends connect the bottom from heat accumulation working medium case (13), solar energy circulation pipe (17) other end is connected with the inlet (1.1) of collector array (1), solar energy circulation pipe (2) one ends connect the outlet (1.2) from collector array (1), solar energy circulation pipe (2) other end connects the inlet (6.1) of the heat exchanger (6) in domestic hot-water's case (5), solar energy circulation communicating pipes (9) one end connects the outlet (6.2) of the heat exchanger (6) in life boiler (5), and solar energy circulation communicating pipe (9) other end connects the top of heat accumulation working medium case (13); Floor heating circulation pipe (8) is connected in series with floor heating circulating pump (9), floor heating circulation pipe (8) one terminates at the top from heat accumulation working medium case (13), floor heating circulation pipe (8) other end is connected with floor heating coil pipe (7), and floor heating return pipe (10) connects from floor heating coil pipe (7) to heat accumulation working medium case (13) bottom; Preheater (15) inlet (15.1) that running water pipe is connected in the heat accumulation working medium case (13) is located, domestic hot-water's communicating pipes (12) one, termination was from the outlet (15.2) of preheater (13), domestic hot-water's communicating pipe (12) other end bottom of boiler alive (5) of delivering a child, hot-water line (3) is connected with the top of domestic hot-water's case (5).
2. a kind of solar energy floor heating according to claim 1 and hot-water supply system is characterized in that domestic hot-water's case (5) is a bearing type water tank, and heat accumulation working medium case (13) is non-press-bearing water tank.
CN 201010566914 2010-12-01 2010-12-01 Solar floor heating and hot water supply system Pending CN101984296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010566914 CN101984296A (en) 2010-12-01 2010-12-01 Solar floor heating and hot water supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010566914 CN101984296A (en) 2010-12-01 2010-12-01 Solar floor heating and hot water supply system

Publications (1)

Publication Number Publication Date
CN101984296A true CN101984296A (en) 2011-03-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705940A (en) * 2012-06-21 2012-10-03 罗玉成 All-weather floor heating and cooling system
CN111998422A (en) * 2020-09-05 2020-11-27 昆明东启科技股份有限公司 Full-automatic CO2Heat pump hot water heating combined supply system and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2513054Y (en) * 2001-09-27 2002-09-25 高纪凡 Double circulation solar water heater
CN2830938Y (en) * 2005-03-16 2006-10-25 哈密市华海建筑工程有限责任公司 Low electrical auxilary low tump oradiating heating system using solar collection
CN201885297U (en) * 2010-12-01 2011-06-29 昆明理工大学 Solar floor heating and hot water supply system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2513054Y (en) * 2001-09-27 2002-09-25 高纪凡 Double circulation solar water heater
CN2830938Y (en) * 2005-03-16 2006-10-25 哈密市华海建筑工程有限责任公司 Low electrical auxilary low tump oradiating heating system using solar collection
CN201885297U (en) * 2010-12-01 2011-06-29 昆明理工大学 Solar floor heating and hot water supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705940A (en) * 2012-06-21 2012-10-03 罗玉成 All-weather floor heating and cooling system
CN111998422A (en) * 2020-09-05 2020-11-27 昆明东启科技股份有限公司 Full-automatic CO2Heat pump hot water heating combined supply system and method

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Application publication date: 20110309