CN111911994A - Solar energy heat collecting and distributing system - Google Patents
Solar energy heat collecting and distributing system Download PDFInfo
- Publication number
- CN111911994A CN111911994A CN202010364009.6A CN202010364009A CN111911994A CN 111911994 A CN111911994 A CN 111911994A CN 202010364009 A CN202010364009 A CN 202010364009A CN 111911994 A CN111911994 A CN 111911994A
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- Prior art keywords
- heat
- medium
- pipe
- heat collecting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0015—Domestic hot-water supply systems using solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0078—Recirculation systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1057—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/04—Solar heat collectors specially adapted for particular uses or environments for showers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
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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
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
A solar energy heat-collecting and heat-exchanging system is composed of flat plate collector, header, heat-exchanging water heater and connecting pipeline. The method is characterized in that: the flat plate collector consists of a heat collecting plate shell, a right joint, a left joint, a heat collecting medium outlet pipe, a heat collecting medium upper pipe, a heat collecting medium distribution pipe, a heat collecting medium lower pipe, a heat insulating material, a glass cover plate and a heat absorbing plate; the connecting pipeline comprises a circulating medium upper pipe, a circulating medium lower pipe, a user medium inlet pipe, a user medium outlet pipe, a circulating medium inlet pipe, a circulating medium outlet pipe, a connecting movable joint, a connecting pipe and an exhaust pipe; the header is used for storing heat collecting media, the heat exchange tube penetrates through the middle of the header, and an exhaust pipe is further arranged on the header and communicated with the heat collecting medium expansion tank for exhausting and automatically supplementing liquid to the header; the flat plate collector is provided with a right joint and a left joint which are used for realizing the quick connection of the flat plate collector and the header. The solar heat collector has the characteristics of low manufacturing cost, less consumption of circulating media, high heat collection efficiency, low use cost, difficult corrosion and damage and the like.
Description
Technical Field
The invention relates to a solar heating device, in particular to a solar energy heat collecting and distributing system.
Background
Along with the continuous improvement of the requirements of people on the quality of life, frequent bathing becomes the daily life habit of people, the bathing conditions of people are met, the people can bath from a public bath to a home, and common bathing facilities comprise an electric water heater, a gas water heater, a solar water heater and the like. At present, people select more solar water heaters due to the requirements of environmental protection and energy conservation. At present, split wall-mounted solar energy is generally adopted in domestic high-rise buildings, the solar energy of the category is only suitable for single resident of the high-rise buildings, and is more suitable for a centralized heating system and lower investment for a plurality of users using hot water for the fields with larger hot water consumption, such as multi-story buildings, hospitals, old homes, villas and the like. At present, the concentrated and divided heating systems in the market mainly comprise a concentrated and divided heating system of a solar vacuum tube, a concentrated and divided heating system of a solar flat plate collector and the like. The solar vacuum tube concentration heating system utilizes the vacuum tube to directly heat water in the header and then store the water in the large water tank, supplies heat to users, easily blocks up pipelines due to the fact that scale is easily formed in the vacuum tube of the system and on the inner wall of the pipeline for a long time, and the vacuum tube has the risk of bursting. The solar flat plate collector concentration and distribution heat supply system is characterized in that a circulating medium of a flat plate collector is used for absorbing solar energy and then supplying heat to users, the heat collection efficiency is high, a large-scale water tank is not needed, the cost is low, the reliability is good, but the existing solar flat plate collector concentration and distribution heat supply system is characterized in that a plurality of flat plate collectors are connected in parallel for supplying heat, the circulating medium in each flat plate collector needs to be collected into a thick pipeline for supplying heat to the users after being heated, the quantity of the circulating medium is large, the cost of the pipeline is high, and the improvement of the heat efficiency is also seriously influenced.
Disclosure of Invention
The main purposes of the invention are: aiming at the defects of high water leakage fault rate, low heat collection efficiency, short service life, high manufacturing cost and large circulating medium requirement of the water tank of the traditional solar heat collecting and heat exchanging system, the invention provides the flat plate type solar heat collector heating system which has low fault rate, low cost, high heat collection efficiency and simple production process and can meet the heating and heat exchanging requirements. The hot water supply device is particularly suitable for hot water supply in places such as offices, schools, hospitals, enterprises, retirement homes, villas, multi-story buildings and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the solar heat collecting and distributing system mainly comprises a heat collecting medium expansion tank, a circulating medium expansion tank, a flat plate collector, a header, a circulating pump, a heat exchange water heater and a connecting pipeline, wherein the flat plate collector comprises a heat collecting plate shell, a right joint, a left joint, a heat collecting medium outlet pipe, a heat collecting medium upper flow pipe, a heat collecting medium distributing pipe, a heat collecting medium lower flow pipe, a heat insulating material, a heat collecting medium, a glass cover plate and a heat absorbing plate; the connecting pipeline comprises a circulating medium upper pipe, a circulating medium lower pipe, a user medium inlet pipe, a user medium outlet pipe, a circulating medium inlet pipe, a circulating medium outlet pipe, a connecting movable joint, a connecting pipe and an exhaust pipe; the header is used for storing heat collecting media, the heat exchange tube penetrates through the middle of the header, and a liquid supplementing exhaust tube is further arranged on the header and is communicated with the heat collecting medium expansion tank for exhausting and automatically supplementing liquid to the header; the heat collecting medium expansion tank is provided with a bidirectional safety exhaust valve, and the circulating medium expansion tank is provided with a bidirectional safety valve; the flat plate heat collector is connected in series, a circulating medium flows through a circulating medium inlet pipe, a heat exchange pipe, a connecting pipe, a circulating medium outlet pipe, a circulating medium expansion tank, a circulating medium lower pipe, a user medium inlet pipe, a user medium outlet pipe and a circulating medium upper pipe which penetrate through the header under the driving of a circulating pump, and when the circulating heat medium passes through the user heat exchange water heater, bathing water in the water heater is heated through the heat exchanger; the heat collecting medium is stored in the header, and enters the header after passing through the heat collecting medium lower tube, the heat collecting medium distribution tube, the heat collecting medium upper tube and the heat collecting medium outlet tube to continuously heat the circulating medium in the heat exchange tube penetrating through the header; the right joint and the left joint are used for realizing the quick connection of the flat plate collector and the header.
The invention has the beneficial effects that: the solar energy heat collection and distribution system with the structure has the advantages that the flat plate heat collectors are connected in series, circulating media flow through the circulating media inlet pipe, the heat exchange pipe penetrating through the header, the connecting pipe, the circulating media outlet pipe, the circulating media expansion tank, the circulating media lower pipe, the user media inlet pipe, the user media outlet pipe and the circulating media upper pipe under the driving of the circulating pump, heat exchange is carried out when the heat media pass through the user heat exchange water heater, heat energy of the circulating media is transferred to the user heat exchange water heater for storing water, and the user needs are met. The heat collecting medium is stored in the header, and enters the header after passing through the heat collecting medium lower tube, the heat collecting medium distribution tube, the heat collecting medium upper tube and the heat collecting medium outlet tube, so as to continuously heat the circulating medium in the heat exchange tube penetrating through the header. If the individual flat plate collector is damaged, the normal operation of the system is not influenced, and the flat plate collector can be conveniently replaced. Therefore, the solar heat collector has the characteristics of low cost of pipeline engineering, small requirement of circulating medium, no need of a large water tank, high heat collection efficiency, no water leakage fault, simple production process, low manufacturing cost, difficult corrosion and damage and the like. The hot water supply device is particularly suitable for hot water supply in places such as offices, schools, hospitals, enterprises, retirement homes, villas, multi-story buildings and the like.
As an improvement of the invention, the circulating medium expansion tank is provided with a temperature sensor and an automatic control device so as to automatically control the on-off of the circulating pump and improve the heat exchange efficiency.
As a further improvement of the invention, the solar energy heat-distributing and heat-exchanging system is provided with a standby circulating pump, so that the normal operation of the heat supply system of the flat plate type solar heat collector can be effectively ensured.
As a further improvement of the invention, the heat exchange tubes penetrating through the header are spiral coils, so that the heat collection efficiency can be further improved.
Drawings
FIG. 1 is a schematic view showing the overall construction of a first embodiment of the solar energy heat collection and distribution system of the present invention;
FIG. 2 is a schematic sectional view showing the construction of a flat plate collector according to the first embodiment of the solar energy heat collecting and distributing system of FIG. 1;
fig. 3 is a right sectional view schematically illustrating the solar energy heat collecting system of fig. 2 according to the first embodiment of the present invention.
In the figure: 1. the heat collection medium expansion tank comprises a heat collection medium expansion tank body 2, a circulating medium expansion tank body 3, a flat plate heat collector body 4, a header 5, a connecting movable joint 6, a circulating pump 7, a standby circulating pump 8, a two-way safety valve 9, a heat exchange water heater 10, an exhaust pipe 11, a connecting pipe 12, a user medium inlet pipe 13, a user medium outlet pipe 14, a circulating medium inlet pipe 15, a circulating medium outlet pipe 16, a temperature sensor 17, a two-way safety exhaust valve 18, a circulating medium lower pipe 19, a circulating medium upper pipe 20, an automatic control device 21, heat insulation materials 22, a heat absorption plate 23, a glass cover plate 24, a heat collection medium lower pipe 25, a right connector 26, a left connector 27, a heat collection medium outlet pipe 28, a heat collection medium upper pipe 29, a heat collection medium 30, a heat collection plate shell 31 and heat collection media.
Detailed Description
The solar energy heat collecting and distributing system of the invention is further explained with reference to the attached drawings and the embodiment.
As shown in fig. 1, 2 and 3, the solar energy heat collecting and distributing system mainly comprises a heat collecting medium expansion tank 1, a circulating medium expansion tank 2, a flat plate collector 3, a header 4, a circulating pump 6, a heat exchange water heater 9 and a connecting pipeline. The flat plate collector 3 consists of a heat collecting plate shell 30, a right joint 25, a left joint 26, a heat collecting medium outlet pipe 27, a heat collecting medium up-flow pipe 28, a heat collecting medium distribution pipe 29, a heat collecting medium down-flow pipe 24, a heat insulating material 21, a heat collecting medium 31, a glass cover plate 23 and a heat absorbing plate 22; the connecting pipeline comprises a circulating medium upper pipe 19, a circulating medium lower pipe 18, a user medium inlet pipe 12, a user medium outlet pipe 13, a circulating medium inlet pipe 14, a circulating medium outlet pipe 15, a connecting movable joint 5, a connecting pipe 11 and an exhaust pipe 10; the header 4 is used for storing heat collecting media, the heat exchange tube penetrates through the middle of the header 4, a liquid supplementing exhaust tube 10 is further arranged on the header 4, and the liquid supplementing exhaust tube 10 is communicated with the heat collecting medium expansion tank 1 for exhausting and automatically supplementing liquid to the header 4; a bidirectional safety exhaust valve 17 is arranged on the heat collecting medium expansion tank 1, and a bidirectional safety valve 8 is arranged on the circulating medium expansion tank 2; the flat plate collector 3 is connected in series, a circulating medium flows through a circulating medium inlet pipe 14, a heat exchange pipe penetrating through the header 4, a connecting pipe 11, a circulating medium outlet pipe 15, a circulating medium expansion tank 2, a circulating medium lower pipe 18, a user medium inlet pipe 12, a user medium outlet pipe 13 and a circulating medium upper pipe 19 under the drive of a circulating pump 6, and when the circulating heat medium passes through a user heat exchange water heater 9, bathing water in the water heater is heated through a heat exchanger; the heat collecting medium 31 is stored in the header 4, passes through the heat collecting medium lower tube 24, the heat collecting medium distribution tube 29, the heat collecting medium upper tube 28 and the heat collecting medium outlet tube 27, then enters the header 4, and continuously heats the circulating medium in the heat exchange tubes penetrating through the header 4; the right joint 25 and the left joint 26 are used for realizing the quick connection of the flat plate collector 3 and the header 4.
According to the solar energy heat collection and distribution heating system with the structure, the flat plate heat collectors 3 are connected in series, a circulating medium flows through the circulating medium inlet pipe 14, the heat exchange pipe penetrating through the header 4, the connecting pipe 11, the circulating medium outlet pipe 15, the circulating medium expansion tank 2, the circulating medium lower pipe 18, the user medium inlet pipe 12, the user medium outlet pipe 13 and the circulating medium upper pipe 19 under the driving of the circulating pump 6, and when passing through the user heat exchange water heater 9, heat energy of the circulating medium is transferred to the user heat exchange water heater 9 to store water for heat exchange, and the requirements of users are met. The heat collecting medium 31 is stored in the header 4, passes through the heat collecting medium lower tube 24, the heat collecting medium distribution tube 29, the heat collecting medium upper tube 28 and the heat collecting medium outlet tube 27, then enters the header 4, and continuously heats the circulating medium in the heat exchange tubes penetrating through the header 4. When the individual flat plate collector 3 is damaged, the normal operation of the system is not influenced, and the replacement can be convenient. Therefore, the solar heat collector has the characteristics of low cost of pipeline engineering, small requirement of circulating medium, no need of a large water tank, high heat collection efficiency, no water leakage fault, simple production process, low manufacturing cost, difficult corrosion and damage and the like. The hot water supply device is particularly suitable for hot water supply in places such as offices, schools, hospitals, enterprises, retirement homes, villas, multi-story buildings and the like.
As an improvement of the invention, as shown in figure 1, a temperature sensor 16 and an automatic control device 20 are arranged on the circulating medium expansion tank 2 so as to automatically control the on-off of the circulating pump 6 and improve the heat exchange efficiency.
As a further improvement of the invention, as shown in FIG. 1, the solar heat-collecting sub-heat exchange system is provided with a standby circulating pump 7, which can effectively ensure the normal operation of the heating system of the flat plate type solar heat collector.
As a further improvement of the invention, the heat exchange tubes penetrating through the header 4 are spiral coils, so that the heat collection efficiency can be further improved.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
Claims (5)
1. The utility model provides a solar energy collection divides heat transfer system mainly comprises thermal-arrest medium expansion tank (1), circulation medium expansion tank (2), flat plate collector (3), header (4), circulating pump (6), heat transfer water heater (9) and connecting tube, its characterized in that: the flat plate collector (3) consists of a heat collecting plate shell (30), a right joint (25), a left joint (26), a heat collecting medium outlet pipe (27), a heat collecting medium up-flow pipe (28), a heat collecting medium distribution pipe (29), a heat collecting medium down-flow pipe (24), a heat insulating material (21), a heat collecting medium (31), a glass cover plate (23) and a heat absorbing plate (22); the connecting pipeline comprises a circulating medium upper pipe (19), a circulating medium lower pipe (18), a user medium inlet pipe (12), a user medium outlet pipe (13), a circulating medium inlet pipe (14), a circulating medium outlet pipe (15), a connecting movable joint (5), a connecting pipe (11) and an exhaust pipe (10); the header (4) is used for storing heat collecting media, the heat exchange tube penetrates through the middle of the header (4), the header (4) is also provided with a liquid supplementing exhaust tube (10), and the liquid supplementing exhaust tube (10) is communicated with the heat collecting medium expansion tank (1) for exhausting and automatically supplementing liquid to the header (4); a bidirectional safety exhaust valve (17) is arranged on the heat collecting medium expansion tank (1), and a bidirectional safety valve (8) is arranged on the circulating medium expansion tank (2); the flat plate heat collector (3) is connected in series, a circulating medium flows through a circulating medium inlet pipe (14), a heat exchange pipe penetrating through the header (4), a connecting pipe (11), a circulating medium outlet pipe (15), a circulating medium expansion tank (2), a circulating medium lower pipe (18), a user medium inlet pipe (12), a user medium outlet pipe (13) and a circulating medium upper pipe (19) under the drive of a circulating pump (6), and when the circulating heat medium passes through a user heat exchange water heater (9), bathing water in the water heater is heated through a heat exchanger; the heat collecting medium (31) is stored in the header (4), passes through the heat collecting medium lower pipe (24), the heat collecting medium distribution pipe (29), the heat collecting medium upper pipe (28) and the heat collecting medium outlet pipe (27), then enters the header (4), and continuously heats circulating media in heat exchange pipes penetrating through the header (4); the right joint (25) and the left joint (26) are used for realizing the quick connection of the flat plate collector (3) and the header (4).
2. The solar energy heat collecting and distributing system of claim 1, wherein: and the buffer box is provided with a temperature sensor (16) and an automatic control device (20).
3. The solar energy heat collecting and distributing system according to claim 1 or 2, wherein: the heating system of the flat plate type solar heat collector is provided with a standby circulating pump (7).
4. The solar energy heat collecting and distributing system according to claim 1 or 2, wherein: the heat exchange tubes penetrating through the header (4) are spiral coils.
5. The solar energy heat collecting and distributing system of claim 3, wherein: the heat exchange tubes penetrating through the header (4) are spiral coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364009.6A CN111911994A (en) | 2020-04-30 | 2020-04-30 | Solar energy heat collecting and distributing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364009.6A CN111911994A (en) | 2020-04-30 | 2020-04-30 | Solar energy heat collecting and distributing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911994A true CN111911994A (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010364009.6A Pending CN111911994A (en) | 2020-04-30 | 2020-04-30 | Solar energy heat collecting and distributing system |
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| CN (1) | CN111911994A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115700336A (en) * | 2022-11-10 | 2023-02-07 | 山东物华石油设备有限公司 | Modular space energy storage heating system |
-
2020
- 2020-04-30 CN CN202010364009.6A patent/CN111911994A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115700336A (en) * | 2022-11-10 | 2023-02-07 | 山东物华石油设备有限公司 | Modular space energy storage heating system |
| CN115700336B (en) * | 2022-11-10 | 2024-04-30 | 山东物华石油设备有限公司 | Modular space energy storage heating system |
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