CN101059280A - Solar energy-storage hot water heat-supply system - Google Patents

Solar energy-storage hot water heat-supply system Download PDF

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Publication number
CN101059280A
CN101059280A CNA2006100258108A CN200610025810A CN101059280A CN 101059280 A CN101059280 A CN 101059280A CN A2006100258108 A CNA2006100258108 A CN A2006100258108A CN 200610025810 A CN200610025810 A CN 200610025810A CN 101059280 A CN101059280 A CN 101059280A
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China
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heat
water
water tank
stop valve
solar energy
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CNA2006100258108A
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Chinese (zh)
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竟峰
张旭
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Tongji University
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Tongji University
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Priority to CNA2006100258108A priority Critical patent/CN101059280A/en
Publication of CN101059280A publication Critical patent/CN101059280A/en
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    • 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
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The present invention relates to a solar energy-storing hot water heating system, especially is suitable for the heating system of towns and villages residential buildings in China's severe cold or cold areas. The solar energy-storing hot water heating system described in the invention includes solar energy heat collector, antifreeze water tank, antifreeze water tank cut-off valve, solar energy heat-storing water tank, circulating water pump and circulating water pump cut-off valve which are connected sequentially and form circuit. The solar energy-storing hot water heating system provided in the invention combines the solar energy heating and traditional heated brick bed heating organically, fully shows the advantages of traditional heated brick bed heating, compared with prior system, the water supply temperature of hot water heating system is reduced, it reduces the heat loss of heat collector and increases the utilization efficiency of solar heat collectors; the heat-storing water tank also can be used as indoor radiator, and can reduce the energy consumption of secondary cycle water pump and the accommodation area of heat-storing water tank; the organic combination of traditional heated brick bed can use smoke gas residual heat effectively, reduce conventional energy consumption, at the same time, it is fit the users residents lifestyle in northern region.

Description

Solar energy-storage hot water heat-supply system
Technical field
The present invention relates to a kind of solar energy-storage hot water heat-supply system, be particularly suitable for the heating system that China's severe cold or cold district village-town house use.
Background technology
Solar low-temperature hot water dwelling house utilizes technology to be mainly used in the domestic hot-water supply and the auxiliary heating in winter in summer at present, is to reduce energy resource consumption to reduce CO 2A kind of effective means of discharging.The solar heat water heating system is many at present is made of solar thermal collector, hot water storage tank, heat-exchange apparatus, water circulating pump and heat dissipation equipment etc.When utilizing solar-heating owing to have the cyclic swing and the uncertainty of solar radiation, often hot water storage tank to be set for reaching comfortable indoor temperature, set up water circulating pump, utilize water system circulation between water pump drive chamber inner radiator and hot water storage tank, like this, water pump will be in round-the-clock operating condition, the water pump power consumption is higher, and having relatively high expectations to water temperature when utilizing radiator heat-dissipation, cause the reduction of solar-heating efficient and the shortening of heating time, the setting of hot water storage tank has simultaneously also increased floor space.
Adopt the mode heat supply of heated kang heating in the northern China rural area more, formed gradually for many years with a heatable brick bed is the life style at center, the mode of heated kang heating has made full use of the waste heat of cooking stove burning, and have characteristics with low cost, at present the solar energy heat distribution system that generally adopts can't utilize the waste heat of cooking stove burning, and what not only caused the waste of the energy but also can influence that people form for many years is the habits and customs at center with a heatable brick bed.
Summary of the invention
Purpose of the present invention mainly is to overcome above-mentioned solar heating system technological deficiency, provides that a kind of thermal efficiency is higher, initial cost and operating cost are low and meet the solar energy-storage hot water heat-supply system of user's life style.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
A kind of solar energy-storage hot water heat-supply system, it comprises solar thermal collector, antifreezing water tank, antifreezing water tank stop valve, solar heat-preservation water tank, water circulating pump and the water circulating pump stop valve that connects successively and form the loop.
Described solar heat-preservation water tank is not incubated processing, and the double as interior radiator is the room heating, also can establish two exhaust gases passes below, and wherein a passage does not have the insulation processing, and another passage is incubated processing.Solar heat-preservation water tank and the combination of two flues can be used as the hot water a heatable brick bed and use.For making things convenient for the solar heat-preservation water tank to add water and draining, can establish air bleeding valve on top and draining valve is established in the bottom.
The solar thermal collector heat can not satisfy the demands sometimes, therefore can add afterburning stove and afterburning stove stop valve between antifreezing water tank stop valve and solar heat-preservation water tank.So just can open afterburning stove heat cycles water, the additional heat demand.
Also can set up domestic hot-water's branch pipe(tube) and stop valve between afterburning stove and afterburning stove stop valve, the solar heat-preservation water tank connects a constant pressure supply water case again, so no matter to be when can provide the domestic hot-water.
When night storage heating heating needs afterburning, can only circulate indoor.For reaching this purpose, between antifreezing water tank stop valve and water circulating pump stop valve, set up the indoor circulation pipeline and the indoor circulation pipe break valve 14 that connect running water stop valve, and have first stop valve 15 to be communicated with between afterburning stove stop valve inlet and indoor circulation pipe break valve 14 inlets, antifreezing water tank inlet and 14 outlets of indoor circulation pipe break valve have second stop valve 13 to be communicated with.A solar thermal collector stop valve 19 is preferably arranged between solar thermal collector and indoor circulation pipeline.
Beneficial effect of the present invention: solar energy-storage hot water heat-supply system provided by the invention organically combines solar heating and traditional a heatable brick bed heating, has demonstrated fully the advantage of traditional a heatable brick bed heating.Utilize solar heating low temperature water system accumulation of heat heating winter, can provide the domestic hot-water summer, and solar energy kang has the flue gas flue, and comprehensive utilization cooking and afterburning fume afterheat reach energy-conservation effect.Solar energy accumulation hot water a heatable brick bed heating system provided by the invention passes through the improvement of solar low-temperature hot water system in the past, system is compared with existing system, the hot water system supply water temperature reduces, and can reduce the heat collector heat loss, improves the solar thermal collector utilization ratio; Hot water storage tank double as interior radiator can reduce secondary cycle water pump power consumption, reduces the hot water storage tank floor space; With the combination of traditional heated kang, can effectively utilize fume afterheat, reduce conventional energy resource consumption, meet northern area resident life style simultaneously.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail:
Fig. 1 is the system block diagram of solar energy accumulation hot water a heatable brick bed heating system
The specific embodiment
As shown in Figure 1, solar energy-storage hot water heat-supply system of the present invention comprises solar thermal collector 1, antifreezing water tank 12, antifreezing water tank stop valve 11, solar heat-preservation water tank 4, water circulating pump 3 and the water circulating pump stop valve 2 that connects successively and form the loop.
Described solar heat-preservation water tank is not incubated processing, and the double as interior radiator is the room heating, also can establish two exhaust gases passes 5,6 below, and wherein a passage 5 does not have the insulation processing, and another passage 6 is incubated processing.Solar heat-preservation water tank and the combination of two flues can be used as the hot water a heatable brick bed and use.For making things convenient for the solar heat-preservation water tank to add water and draining, can establish air bleeding valve 17 and bottom on top and establish draining valve 7.
The solar thermal collector heat can not satisfy the demands sometimes, therefore can add afterburning stove 10 and afterburning stove stop valve 8 between antifreezing water tank stop valve 11 and solar heat-preservation water tank 4.So just can open afterburning stove heat cycles water, the additional heat demand.
Also can set up domestic hot-water's branch pipe(tube) and stop valve 9 between afterburning stove and afterburning stove stop valve, the solar heat-preservation water tank connects a constant pressure supply water case 16 again, so no matter to be when can provide the domestic hot-water.
When night storage heating heating needs afterburning, can only circulate indoor.For reaching this purpose, between antifreezing water tank stop valve and water circulating pump stop valve, set up the indoor circulation pipeline and the indoor circulation pipe break valve 14 that connect running water stop valve 18, and have first stop valve 15 to be communicated with between afterburning stove stop valve inlet and indoor circulation pipe break valve 14 inlets, antifreezing water tank inlet and 14 outlets of indoor circulation pipe break valve have second stop valve 13 to be communicated with.Between solar thermal collector and indoor circulation pipeline, also has a solar thermal collector stop valve 19.
The whole system operation principle is divided heating season heating water and two kinds of situations of non-heating season heat supply water, describes respectively below:
The heating season operation principle: heating season, system can heat simultaneously and the domestic hot-water is provided.Cooking and afterburning flue gas are discharged by flue 5, and heating solar a heatable brick bed accumulation of heat pond made full use of fume afterheat when flue gas was flowed through flue.Draining valve 7 and air bleeding valve 17 are only opened when the solar heat-preservation water tank adds water and draining, second stop valve 13, first stop valve 15, running water stop valve 18 are in closed condition all the time in whole heating season, water circulating pump stop valve 2,8 of afterburning stove stop valves are in opening all the time, and domestic hot-water's branch pipe(tube) stop valve 9 is only opened when the domestic hot-water is provided.
(1) solar heating on daytime: when daytime, sunshine was abundant, utilize the solar thermal collector thermal-arrest.Indoor circulation pipe break valve 14 is closed at this moment, antifreezing water tank stop valve 11 is opened, pump operating cycle, the antifreezing water tank retaining charges into solar thermal collector through the solar heat-preservation water tank under the circulating pump effect, absorb solar heat, recirculated water through the solar thermal collector heating after antifreezing water tank, afterburning stove enter the solar heat-preservation water tank.When can not satisfying the demands, can open the solar thermal collector heat afterburning stove heat cycles water, the additional heat demand;
(2) night storage heating heating: water circulating pump is out of service, water all returns antifreezing water tank automatically through solar heat-preservation water tank (solar energy kang) in the heat collector, thereby prevent that heat collector is freezing night, and reduced heat collector heat at night conduction and sky background radiation heat loss.When the accumulation of heat heat less, when being not enough to satisfy heat demand, opening chamber's internal recycle pipeline stop valve 14 is closed antifreezing water tank stop valve 11 and solar thermal collector stop valve 19, operation afterburning stove and water circulating pump heat recirculated water, stop circulating pump and afterburning stove when water temperature reaches requirement.Since this moment the closing of antifreezing water tank stop valve 11, the unlatching of indoor circulation pipe break valve 14, recirculated water circulates indoor, thereby has reduced heat loss;
(3) the rainy weather solar thermal collector can't provide heat, and the heat supply of afterburning stove is with the operation of (2) afterburning stove mode of heating;
(4) provide the domestic hot-water: no matter system is solar heating duty by day or night storage heating heating duty unlatching domestic hot-water branch pipe(tube) stop valve 9 can provide the domestic hot-water, constant pressure supply water case automatic water supplement.When water temperature can not meet the demands, then need to open the heating of afterburning stove, also need ON cycle water pump simultaneously under the heat-storage heating operating mode.
Non-heating season operation principle: during non-heating season, system only provides the domestic hot-water.This moment, flue gas was discharged by insulation flue 6, prevented that solar heat-preservation water tank (a heatable brick bed) is overheated.Whole heating season water circulating pump stop valve 2, afterburning stove stop valve 8, antifreezing water tank stop valve 11, indoor circulation pipe break valve 14 be in closed condition all the time, second stop valve 13, running water stop valve 18 are in opening all the time, system works under running water pipe network pressure, solar thermal collector top is provided with header tank, stores hot water.Open domestic hot-water's branch pipe(tube) stop valve 9 domestic hot-water can be provided.Cross when water temperature and to open afterburning stove afterburning when low, regulate water temperature by first stop valve, 15 apertures when water temperature is too high.

Claims (6)

1, a kind of solar energy-storage hot water heat-supply system is characterized in that: this system comprises solar thermal collector (1), antifreezing water tank (12), antifreezing water tank stop valve (11), solar heat-preservation water tank (4), water circulating pump (3) and the water circulating pump stop valve (2) that connects successively and form the loop.
2, solar energy-storage hot water heat-supply system as claimed in claim 1 is characterized in that: also be provided with the exhaust gases passes (5) that does not have the insulation processing below the solar heat-preservation water tank and carried out the exhaust gases passes (6) that insulation is handled.
3, solar energy-storage hot water heat-supply system as claimed in claim 1 is characterized in that: the solar heat-preservation water tank upper also is provided with air bleeding valve (17) and draining valve (7) is established in the bottom.
4, as the described arbitrary solar energy-storage hot water heat-supply system of claim 1~3, it is characterized in that: between antifreezing water tank stop valve (11) and solar heat-preservation water tank (4), also be provided with afterburning stove (10) and afterburning stove stop valve (8).
5, solar energy-storage hot water heat-supply system as claimed in claim 4 is characterized in that: also have additional domestic hot-water's branch pipe(tube) and stop valve (9) between afterburning stove and afterburning stove stop valve, the solar heat-preservation water tank connects a constant pressure supply water case (16) again.
6, solar energy-storage hot water heat-supply system as claimed in claim 5, it is characterized in that: between antifreezing water tank stop valve and water circulating pump stop valve, also be provided with the indoor circulation pipeline and the indoor circulation pipe break valve (14) that connect running water stop valve (18), and have first stop valve (15) to be communicated with between afterburning stove stop valve inlet and indoor circulation pipe break valve (14) inlet, antifreezing water tank inlet and indoor circulation pipe break valve (14) outlet have second stop valve (13) to be communicated with.
CNA2006100258108A 2006-04-18 2006-04-18 Solar energy-storage hot water heat-supply system Pending CN101059280A (en)

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Application Number Priority Date Filing Date Title
CNA2006100258108A CN101059280A (en) 2006-04-18 2006-04-18 Solar energy-storage hot water heat-supply system

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101818941A (en) * 2010-04-22 2010-09-01 哈尔滨工业大学 Air heated anti-freezing solar energy collector system
CN101825350A (en) * 2010-04-22 2010-09-08 哈尔滨工业大学 Heat accumulating type anti-freeze solar heat collector system
CN103344002A (en) * 2013-06-28 2013-10-09 宁夏祥河生态环境工程研究院有限公司 Solar warm-and-cool kang
CN105890033A (en) * 2016-06-06 2016-08-24 杜增杰 Uniformly-heated energy-saving heated kang and mounting method
CN108204625A (en) * 2016-12-20 2018-06-26 赵延斌 Solar-energy air-energy geothermal heat pipeline evacuation and anti-freezing system
CN110940102A (en) * 2019-12-17 2020-03-31 太原理工大学 Phase-change heat accumulating type solar heatable brick bed mechanism system
CN111503709A (en) * 2020-04-29 2020-08-07 重庆大学 Biomass fuel boiler assisted solar hot water heating system and regulation and control method
CN113719883A (en) * 2021-08-24 2021-11-30 上海工程技术大学 Energy-saving system for heating by using solar heat pump

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101818941A (en) * 2010-04-22 2010-09-01 哈尔滨工业大学 Air heated anti-freezing solar energy collector system
CN101825350A (en) * 2010-04-22 2010-09-08 哈尔滨工业大学 Heat accumulating type anti-freeze solar heat collector system
CN101825350B (en) * 2010-04-22 2011-07-20 哈尔滨工业大学 Heat accumulating type anti-freeze solar heat collector system
CN103344002A (en) * 2013-06-28 2013-10-09 宁夏祥河生态环境工程研究院有限公司 Solar warm-and-cool kang
CN103344002B (en) * 2013-06-28 2015-11-18 宁夏祥河生态环境工程研究院有限公司 Solar cold and warm a heatable brick bed
CN105890033A (en) * 2016-06-06 2016-08-24 杜增杰 Uniformly-heated energy-saving heated kang and mounting method
CN108204625A (en) * 2016-12-20 2018-06-26 赵延斌 Solar-energy air-energy geothermal heat pipeline evacuation and anti-freezing system
CN108204625B (en) * 2016-12-20 2020-06-30 赵延斌 Pipeline evacuation anti-freezing system of solar energy or air energy floor heating system
CN110940102A (en) * 2019-12-17 2020-03-31 太原理工大学 Phase-change heat accumulating type solar heatable brick bed mechanism system
CN111503709A (en) * 2020-04-29 2020-08-07 重庆大学 Biomass fuel boiler assisted solar hot water heating system and regulation and control method
CN111503709B (en) * 2020-04-29 2022-02-11 重庆大学 Biomass fuel boiler assisted solar hot water heating system and regulation and control method
CN113719883A (en) * 2021-08-24 2021-11-30 上海工程技术大学 Energy-saving system for heating by using solar heat pump

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