CN205919538U - Medium temperature heating system of solar energy based on stride water heat -retaining in season - Google Patents
Medium temperature heating system of solar energy based on stride water heat -retaining in season Download PDFInfo
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- CN205919538U CN205919538U CN201620402604.3U CN201620402604U CN205919538U CN 205919538 U CN205919538 U CN 205919538U CN 201620402604 U CN201620402604 U CN 201620402604U CN 205919538 U CN205919538 U CN 205919538U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model provides a medium temperature heating system of solar energy based on stride water heat -retaining in season, includes: the solar energy collection system, stride heat -retaining water in season, absorption heat pump, buffer tank, hot user, auxiliary heat source, water pump, valve, heat exchanger, control system. Solar energy collection system and buffer tank are linked together, stride season heat -retaining water and are linked together through the heat exchanger with hot user and absorption heat pump. Auxiliary heat source and absorption heat pump and hot user are linked together. Through the not regulation of common mode, the utility model discloses can realize the heat supply of providing multiple forms of energy to complement each other of solar energy and other energy to can satisfy the requirement of general city pipe network heat supply temperature. The utility model is suitable for an abundant and the more rich cities and towns area building heating of the northern solar energy resource of china.
Description
Technical field
This utility model is related to a kind of solar energy middle temperature heating system.
Background technology
Solar energy is inexhaustible regenerative resource, and in today that Fossil fuel reduces year by year, international energy situation is increasingly severe, developing solar energy is to realize energy supply diversification, ensure one of important channel of energy security.Solar-heating is to reduce one of effective way of northern China building heat supplying coal consumption.For the residential architecture of cities and towns, because shape coefficient of building is less, architecture noumenon place solar thermal collector area less it is impossible to as the single building of villages and small towns, realize solar building integrated.According to correlational study, concentrated solar energy heat distribution system is then to be more applicable for one of low-carbon (LC) heating system of town building.Concentrated solar energy heat distribution system includes: collecting system, heat reservoir, end heating system, auxiliary thermal source system and control system.Wherein, due to more than concentrated heat stations, for building heat supplyings more than 1000 square meters, the heat storage capacity of therefore heat reservoir is larger, it is possible to achieve long period heat accumulation, i.e. cross-season heat-storing.According to the difference of heat-storage medium, cross-season heat-storing system can be divided into: the form such as water body heat accumulation, soil heat accumulation, rock mass heat accumulation, water-bearing layer heat accumulation.Wherein, the comparison of water and density are larger, and the heat storage capacity of unit volume is big, and heat transfer intensity is easy to the advantages of control, and water body heat accumulation is that future have one of cross-season heat-storing form of development prospect.In addition, China's major part urban heating pipe network requires water temperature need to reach more than 70 DEG C, it is even up to 95 DEG C in freeze-up supply water temperature.Concentrated solar energy heat distribution system based on cross-season heat-storing water body at home and abroad rarely has correlational study and engineering report.Abroad, Denmark is the area larger based on the solar energy concentrated heating system development scale of cross-season heat-storing water body.
Utility model content
The purpose of this utility model is to solve summer in the winter cold and hot imbalance problem that solar energy heat distribution system exists, based on cross-season heat-storing water body feature, to realize higher leaving water temperature as target, a kind of heating system warm be applied to the concentrated solar energy of town building of exploitation, to reduce the traditional energy consumption for northern China Urban Areas Winter heat supply.This utility model can reach more than 70 DEG C by rational system design, leaving water temperature, at utmost improves solar-heating fraction, guarantee stable heating simultaneously and meet urban heating network supply water temperature requirement.
The technical solution of the utility model is as follows:
A kind of solar energy middle temperature heating system based on across season water body heat accumulation, specifically includes that solar thermal collection system, buffer tank, cross-season heat-storing water body, absorption heat pump, heat user, auxiliary thermal source, heat exchanger, valve, water pump, and control system.
Solar thermal collection system is connected with buffer tank by the pipeline with the first valve and the first water pump；
Described buffer tank is connected with cross-season heat-storing water body by the pipeline with the second heat exchanger.Buffer tank is connected with the second heat exchanger by the pipeline with the second valve and the second water pump, and cross-season heat-storing water body is connected with the second heat exchanger by the pipeline with the 4th valve to the 7th valve and the 4th water pump；
Described buffer tank is connected with heat user and absorption heat pump by the pipeline with First Heat Exchanger simultaneously.Buffer tank is connected with First Heat Exchanger by the pipeline with the 3rd valve and the 3rd water pump, absorption heat pump is connected with First Heat Exchanger by the pipeline with the 9th valve, the 11st valve and the 5th water pump, absorption heat pump is connected with heat user by the pipeline with the 15th to the 17th valve and the 7th water pump, and First Heat Exchanger is by directly connecting with heat user with the 9th valve, the tenth valve, the 12nd valve, the 17th valve and the 7th water pump；
Described auxiliary thermal source is connected with absorption heat pump by the pipeline with the 14th valve and the 6th water pump；
And, described auxiliary thermal source is connected with heat user by the pipeline with the 13rd valve, the 17th valve and the 7th water pump；
Auxiliary thermal source is for providing the high temperature heat source requiring higher than water temperature needed for heat user.
Described control system is connected with water pump and valve, control the first water pump, the second water pump, the 3rd water pump, the 4th water pump, the 5th water pump, the 6th water pump and to the start and stop of the 7th water pump and the first valve, the second valve, the 3rd valve, the 4th valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve, the 9th valve, the tenth valve, the 11st valve, the 12nd valve, the 13rd valve, the 14th valve, the 15th valve, the 16th valve and the 17th valve aperture.
Described solar thermal collection system both can be solar low-temperature collecting system or solar energy middle temperature collecting system.
Described auxiliary thermal source is for providing the high temperature heat source requiring higher than water temperature needed for heat user.
System described in the utility model has several typical mode of operation as follows:
(1) solar thermal collection system is to buffer tank heat supply.
Within the annual time, as long as solar thermal collection system reaches preset temperature, that is, start the first water pump, open the first valve, solar thermal collection system collection heat is delivered in buffer tank.
(2) the non-confession hot season, the heat storage that solar thermal collection system is collected is in cross-season heat-storing water body.
After solar thermal collection system collects solar heat, start the first water pump, open the first valve, heat is stored in buffer tank.When superheating phenomenon occurs in buffer tank, open the second valve, the 4th valve, the 6th valve and the 7th valve, close the 5th valve and the 8th valve, start the second water pump and the 4th water pump, the heat in buffer tank is conveyed and is stored in cross-season heat-storing water body.
(3) for the initial stage in hot season, cross-season heat-storing water temperature disclosure satisfy that heat user heat supply water temperature requires, and directly utilizes cross-season heat-storing water body heat supply.
Start the second water pump and the 4th water pump, open the second valve, the 5th valve, the 7th valve and the 8th valve, close the 4th valve and the 6th valve, the heat in cross-season heat-storing water body is delivered in buffer tank.Start the 3rd water pump and the 7th water pump, open the 3rd valve, the 9th valve, the tenth valve, the 12nd valve and the 17th valve, heat is delivered at heat user.
(4) for hot season freeze-up, cross-season heat-storing water temperature can not meet heat user heat supply water temperature and require, and start absorption heat pump heat supply.
Start the 3rd water pump, the 5th water pump, the 6th water pump and the 7th water pump, open the 3rd valve, the 9th valve, the 14th valve, the 15th valve, the 16th valve and the 17th valve, close the tenth valve, the 12nd valve and the 13rd valve, by the use of auxiliary thermal source as temperature end, buffer tank, as low-temperature end, drives absorption heat pump to heat user heat supply.When in buffer tank, water temperature reduces, during less than cross-season heat-storing water body temperature, then start the second water pump and the 4th water pump, the opening valve family status and valve, the 5th valve, the 7th valve and the 8th valve, close the 4th valve and the 6th valve, the heat in cross-season heat-storing water body is delivered in buffer tank.
(5) in the heat supply end of the season phase, cross-season heat-storing water temperature is very low, is not enough to provide enough low-temperature end heats, then directly utilize auxiliary thermal source to heat user heat supply.
Start the 7th water pump, open the 13rd valve and the 17th valve, close remaining water pump in addition to first water pump and the first valve of solar thermal collection system and valve, directly utilize auxiliary thermal source to heat user heat supply.
This utility model preferentially carries out heat supply using solar energy, at utmost improves solar-heating fraction.Using cross-season heat-storing water body, summer in effectively solving solar energy winter cold and hot imbalance problem is it is achieved that the annual efficient utilization of solar energy.By rational system design, make full use of the heat in cross-season heat-storing water body, higher leaving water temperature can be realized simultaneously, meet heat user coolant-temperature gage requirement.This utility model enriches in northern China solar energy resources and more rich Urban Areas have wide applicability.
The system is differred primarily in that with Denmark's district heating system: 1) is based on China's central heating feature, in most cases central heating only uses in the winter time, other seasons no central heating demand substantially.And in Denmark, need, throughout the year to user's heat supply, to require to meet heating and domestic hot-water.Therefore, in system design, in order to reduce the cross-season heat-storing water body heat waste of non-heating season, solar thermal collection system outlet hot water is delivered to the middle part of cross-season heat-storing water body by this utility model；2) Denmark area majority concentrated solar energy heat distribution system utilizes co2Heat pump ensures more than 80 DEG C leaving water temperatures, but co2Heat pump initial cost is too high, directly affects the economy of whole system.Therefore, this utility model adopts the higher absorption interior heat collecting device as cross-season heat-storing water body of cost performance, improves the economy of system；3) Denmark area uses solar thermal collection system is common panel heat collecting system, general collecting system leaving water temperature only has 60-70 DEG C, the solar thermal collection system that this utility model adopts can be solar energy middle temperature collecting system, collecting system leaving water temperature can reach 95 DEG C about, when the higher preliminary heating period of solar energy direct projection irradiance, it is possible to achieve solar thermal collection system direct heating.
Brief description
The structural representation of the solar energy heat distribution system based on across season water body heat accumulation for Fig. 1 this utility model；
Fig. 2 solar thermal collection system is to the operation logic figure of buffer tank heat supply；
The heat storage that solar thermal collection system is collected by Fig. 3 is in the operation logic figure of cross-season heat-storing water body；
Fig. 4 cross-season heat-storing water body is directly to the operation logic figure of heat user heat supply；
Fig. 5 utilizes the operation logic figure to heat user heat supply for the absorption heat pump；
Fig. 6 auxiliary thermal source is directly to the operation logic figure of heat user heat supply；
In figure: 1 solar thermal collection system, 2 buffer tanks, 3 cross-season heat-storing water bodys, 4 absorption heat pumps, 5 heat user, 6 auxiliary thermal sources, e-1, e-2 heat exchanger, 8 control systems.
Specific embodiment
Further instruction this utility model with reference to the accompanying drawings and detailed description.
As shown in figure 1, this utility model specifically includes that solar thermal collection system 1, buffer tank 2 based on the solar energy heat distribution system of across season water body heat accumulation, cross-season heat-storing water body 3, absorption heat pump 4, heat user 5, auxiliary thermal source 6, heat exchanger e-1, e-2, and control system 8.
Solar thermal collection system 1 is connected with buffer tank by the pipeline with the first valve v-1 and the first water pump p-1.Buffer tank 2 is connected with cross-season heat-storing water body 2 by the pipeline with the second heat exchanger e-2.Buffer tank is connected with the second heat exchanger e-2 by the pipeline with the second valve v-2 and the second water pump p-2, and cross-season heat-storing water body 2 is connected with the second heat exchanger e-2 by the pipeline with the 4th valve v-4 to the 7th valve v-7 and the 4th water pump p-4.Buffer tank 2 is connected with heat user 5 and absorption heat pump 4 by the pipeline with First Heat Exchanger e-1 simultaneously.Buffer tank 2 is connected with First Heat Exchanger e-1 by the pipeline with the 3rd valve v-3 and the 3rd water pump p-3, absorption heat pump 4 is connected with First Heat Exchanger e-1 by the pipeline with the 9th valve v-9, the 11st valve v-11 and the 5th water pump p-5, absorption heat pump 4 is connected with heat user 5 by the pipeline with the 15th valve v-15, the 17th valve v-17 and the 7th water pump p-7, and is connected with heat user 5 by the 16th valve v-16.First Heat Exchanger e-1 is by directly connecting with heat user 5 with the 9th valve v-9, the tenth valve v-10, the 12nd valve v-12, the 17th valve v-17 and the 7th water pump p-7.Auxiliary thermal source 6 is connected with absorption heat pump 6 by the pipeline with the 14th valve v-14 and the 6th water pump p-6, and, auxiliary thermal source 6 is connected with heat user 5 by the pipeline with the 13rd valve v-13, the 17th valve v-17 and the 7th water pump p-7.Control system 8 is connected with water pump and valve, control the first water pump p-1, second water pump p-2, 3rd water pump p-3, 4th water pump p-4, 5th water pump p-5, the start and stop of the 6th water pump p-6 and the 7th water pump p-7, and the first valve v-1, second valve v-2, 3rd valve v-3, 4th valve v-4, 5th valve v-5, 6th valve v-6, 7th valve v-7, 8th valve v-8, 9th valve v-9, tenth valve v-10, 11st valve v-11, 12nd valve v-12, 13rd valve v-13, 14th valve v-14, 15th valve v-15, the aperture of the 16th valve v-16 and the 17th valve v-17.
System described in the utility model has several typical mode of operation as follows:
(1) solar thermal collection system 1 is to buffer tank 2 heat supply, as shown in Figure 2.
Within the annual time, as long as solar thermal collection system 1 reaches preset temperature, that is, start the first water pump p-1, open the first valve v-1, solar thermal collection system collection heat is delivered in buffer tank 2.
(2) the non-confession hot season, the heat storage that solar thermal collection system 1 is collected in cross-season heat-storing water body 3, as shown in Figure 3.
After solar thermal collection system 1 collects solar heat, start the first water pump p-1, open the first valve v-1, heat is stored in buffer tank 2.When superheating phenomenon occurring in buffer tank 2, open the second valve v-2,4th valve v-4,6th valve v-6 and the 7th valve v-7, close the 5th valve v-5 and the 8th valve v-8, start the second water pump p-2 and the 4th water pump p-4, the heat in buffer tank 2 is conveyed and is stored in cross-season heat-storing water body 3.
(3) for the initial stage in hot season, the temperature of cross-season heat-storing water body 3 disclosure satisfy that heat user 5 heat supply water temperature requires, directly utilizes cross-season heat-storing water body 3 heat supply, as shown in Figure 4.
Start the second water pump p-2 and the 4th water pump p-4, open the second valve v-2, the 5th valve v-5, the 7th valve v-7 and the 8th valve v-8, close the 4th valve v-4 and the 6th valve v-6, the heat in cross-season heat-storing water body 3 is delivered in buffer tank 2.Start the 3rd water pump p-3 and the 7th water pump p-7, open the 3rd valve v-3, the 9th valve v-9, the tenth valve v-10, the 12nd valve v-12 and the 17th valve v-17, heat is delivered at heat user 5.
(4) for hot season freeze-up, cross-season heat-storing water body 3 temperature can not meet heat user 5 heat supply water temperature and require, and start absorption heat pump 4 heat supply, as shown in Figure 5.
Start the 3rd water pump p-3, the 5th water pump p-5, the 6th water pump p-6 and the 7th water pump p-7, open the 3rd valve v-3, the 9th valve v-9, the 14th valve v-14, the 15th valve v-15, the 16th valve v-16 and the 17th valve v-17, close the tenth valve v-10,13 valve v-13 of the 12nd valve v-12 sum, by the use of auxiliary thermal source 6 as temperature end, buffer tank 2, as low-temperature end, drives absorption heat pump 4 to heat user 5 heat supply.When in buffer tank 2, water temperature reduces, less than in cross-season heat-storing water body 3 during temperature, then start the second water pump p-2 and the 4th water pump p-4, open the second valve v-2, the 5th valve v-5, eight valve v-8 of the 7th valve v-7 sum, close the 4th valve v-4 and the 6th valve v-6, the heat in cross-season heat-storing water body 3 is delivered in buffer tank 2.
(5) in the heat supply end of the season phase, the temperature of cross-season heat-storing water body 3 is very low, is not enough to provide enough low-temperature end heats, then directly utilize auxiliary thermal source 6 to heat user 5 heat supply, as shown in Figure 6.
Start the 7th water pump p-7, open the 13rd valve v-13 and the 17th valve v-17, close remaining water pump in addition to the first water pump p-1 and the first valve v-1 of solar thermal collection system 1 and valve, directly utilize auxiliary thermal source 6 to heat user 5 heat supply.
This utility model has the prominent advantages that: carries out heat supply using solar energy, at utmost improves solar-heating fraction.Using cross-season heat-storing water body, summer in effectively solving solar energy winter cold and hot imbalance problem is it is achieved that the annual efficient utilization of solar energy.By rational system design, make full use of the heat in cross-season heat-storing water body, higher leaving water temperature can be realized simultaneously, meet heat user coolant-temperature gage requirement.This utility model enriches in northern China solar energy resources and more rich Urban Areas have wide applicability.
Claims (2)
1. a kind of solar energy middle temperature heating system based on across season water body heat accumulation it is characterised in that: described based on across season
The solar energy heat distribution system of water body heat accumulation specifically includes that solar thermal collection system (1), buffer tank (2), cross-season heat-storing water
Body (3), absorption heat pump (4), heat user (5), auxiliary thermal source (6), heat exchanger (e-1, e-2), and control system
System (8)；
Described solar thermal collection system (1) is connected with buffer tank (2) by the pipeline with the first valve (v-1)；
Described buffer tank (2) is connected with cross-season heat-storing water body (3) by the pipeline with the second heat exchanger (e-2)；
Buffer tank (2) is by the pipeline with the second valve (v-2) and the second water pump (p-2) and the second heat exchanger (e-2) phase
Even, cross-season heat-storing water body (3) by with the 4th valve (v-4) to the 7th valve (v-7) and the 4th water pump (p-4)
Pipeline connect with the second heat exchanger (e-2)；
Described buffer tank (2) by the pipeline with First Heat Exchanger (e-1) simultaneously with heat user (5) and absorption
Heat pump (4) connects；Buffer tank (2) is by the pipeline and first with the 3rd valve (v-3) and the 3rd water pump (p-3)
Heat exchanger (e-1) is connected, and absorption heat pump (4) is by with the 9th valve (v-9), the 11st valve (v-11) and the
The pipeline of five water pumps (p-5) is connected with First Heat Exchanger (e-1), absorption heat pump (4) by with the 15th valve (v-15),
16th valve (v-16), the 17th valve (v-17) are connected with heat user (5) with the pipeline of the 7th water pump (p-7),
First Heat Exchanger (e-1) by with the 9th valve (v-9), the tenth valve (v-10), the 12nd valve (v-12),
17 valves (v-17) are directly connected with heat user (5) with the 7th water pump (p-7)；
Described auxiliary thermal source (6) is connected with absorption heat pump (4) by the pipeline with the 14th valve (v-14)；
Described auxiliary thermal source (6) is by the pipeline with the 13rd valve (v-13) and the 17th valve (v-17) and warm
User (5) connects；
Described control system (8) is connected with water pump and valve, control the first water pump (p-1), the second water pump (p-2), the 3rd
Water pump (p-3), the 4th water pump (p-4), the 5th water pump (p-5), the 6th water pump (p-6) and the 7th water pump (p-7) open
Stop, and the first valve (v-1), the second valve (v-2), the 3rd valve (v-3), the 4th valve (v-4), the 5th valve
(v-5), the 6th valve (v-6), the 7th valve (v-7), the 8th valve (v-8), the 9th valve (v-9), the tenth valve
(v-10), the 11st valve (v-11), the 12nd valve (v-12), the 13rd valve (v-13) the 14th valve (v-14),
The aperture of the 15th valve (v-15), the 16th valve (v-16) and the 17th valve (v-17).
2. according to the solar energy middle temperature heating system based on across season water body heat accumulation described in claim 1 it is characterised in that:
Described solar thermal collection system (1) is solar low-temperature collecting system or solar energy middle temperature collecting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620402604.3U CN205919538U (en) | 2016-05-06 | 2016-05-06 | Medium temperature heating system of solar energy based on stride water heat -retaining in season |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620402604.3U CN205919538U (en) | 2016-05-06 | 2016-05-06 | Medium temperature heating system of solar energy based on stride water heat -retaining in season |
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| Publication Number | Publication Date |
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| CN205919538U true CN205919538U (en) | 2017-02-01 |
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| CN201620402604.3U Expired - Fee Related CN205919538U (en) | 2016-05-06 | 2016-05-06 | Medium temperature heating system of solar energy based on stride water heat -retaining in season |
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| CN (1) | CN205919538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841360A (en) * | 2016-05-06 | 2016-08-10 | 中国科学院电工研究所 | Solar medium-temperature heat supply system based on cross-seasonal water body heat storage |
| CN109611936A (en) * | 2019-01-07 | 2019-04-12 | 常州市亚美电气制造有限公司 | Solar energy is across the season heating water system of unique supplying heat source |
-
2016
- 2016-05-06 CN CN201620402604.3U patent/CN205919538U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841360A (en) * | 2016-05-06 | 2016-08-10 | 中国科学院电工研究所 | Solar medium-temperature heat supply system based on cross-seasonal water body heat storage |
| CN105841360B (en) * | 2016-05-06 | 2018-01-30 | 中国科学院电工研究所 | A kind of solar energy medium temperature heating system based on across season water body heat accumulation |
| CN109611936A (en) * | 2019-01-07 | 2019-04-12 | 常州市亚美电气制造有限公司 | Solar energy is across the season heating water system of unique supplying heat source |
| CN109611936B (en) * | 2019-01-07 | 2023-12-26 | 常州市亚美电气制造有限公司 | Cross-season heating and hot water supply system with solar energy as unique heat supply source |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20170506 |