CN107314553B - Solar heat collection system - Google Patents
Solar heat collection system Download PDFInfo
- Publication number
- CN107314553B CN107314553B CN201710755325.4A CN201710755325A CN107314553B CN 107314553 B CN107314553 B CN 107314553B CN 201710755325 A CN201710755325 A CN 201710755325A CN 107314553 B CN107314553 B CN 107314553B
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- CN
- China
- Prior art keywords
- pipe
- circulation
- solar
- solar heat
- communicated
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000004321 preservation Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/60—Arrangements for draining the working fluid
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a solar heat collection system, which comprises a solar heat collector, a heat preservation water tank and a water circulation system, wherein the solar heat collector is communicated with the heat preservation water tank through the water circulation system, the water circulation system comprises a first circulation pipe, a second circulation pipe, a circulation pump and a three-way connector, one end of the first circulation pipe and one end of the second circulation pipe are communicated with the solar heat collector through the three-way connector, the other end of the first circulation pipe and the other end of the second circulation pipe are communicated with the heat preservation water tank, the circulation pump is communicated with the second circulation pipe, and the three-way connector comprises a first circulation pipe connecting pipe, a second circulation pipe connecting pipe, a heat collector connecting box interface and a three-way pipe. The solar heat collection system disclosed by the invention can ensure that the second circulating pipe is not frozen or frozen in the pipe without an electric heat tracing band.
Description
Technical Field
The invention belongs to the technical field of solar heat collection devices, and particularly relates to a solar heat collection system.
Background
The vacuum tube solar water heating system carries heat between the solar heat collector and the heat preservation water tank by the circulating water pump, circulates high-temperature hot water of the heat collector to the heat preservation water tank, circulates low-temperature water of the heat preservation water tank to the solar heat collector, and the whole solar heat collecting system circulates repeatedly.
Wherein, the solar heat collector and the heat preservation water tank circulate through a circulation pipeline, the circulation pipeline needs to have better heat preservation, the circulation pipeline comprises an upper circulation and a lower circulation, the lower circulation is that water is pumped into the heat collector through a circulation water pump at the bottom of the heat collector and then the upper circulation is carried out in the process of pushing hot water into the heat preservation water tank through the upper part of the heat collector, the circulation pipeline on the solar heat collector system moves with water when the circulation pump rotates, in a non-pressure-bearing solar heat collector system (the solar heat collector system is a pressure-bearing system and a non-pressure-bearing system, which are defined below 0.8KG and above 0.8 KG), the upper circulation pipeline does not contain water when the circulation water pump stops, and the common heat preservation is needed, the electric heat tracing band and other auxiliary heating and heat preservation measures do not need to be installed, but water exists in the lower circulating pipeline all the time, when the water pump stops, a check valve is also required to be installed on the pipeline in front of the water pump, so that the phenomenon that the solar heat collecting tube is burst when the heat collecting system is in idle sunning due to the fact that no water exists, once the tube is burst, the whole system cannot operate, the broken tube is replaced to normally operate, the lower circulating pipeline needs to have better heat preservation due to the fact that water exists all the time, in order to avoid freezing the broken pipeline and water in the tube, besides normal heat preservation materials, the electric heat tracing band is paved in the upper heat preservation pipeline, the electric heat tracing band depends on electric energy, the service life is limited, and the energy saving and recycling cost of solar equipment is prolonged.
For example, the chinese patent application No. 201410464473.7 discloses a solar water heating system with a header in a vacuum tube, comprising a water tank (4), a conduit (1), a vacuum tube (3) and a water inlet and outlet pipe (5), characterized in that: a plurality of small holes are formed in the middle of the guide pipe (1), the guide pipe transversely penetrates through the water tank (4) and is fixed in the inner end cover of the water tank, a collecting pipe (2) is arranged in the vacuum pipe (3), one end of the collecting pipe (2) is communicated with the guide pipe (1) through the small holes, and the other end of the collecting pipe (2) stretches into the lower end of the vacuum pipe (3); the water inlet and outlet pipe (5) is communicated with the guide pipe (1), the throttle valve (6) is arranged on the water inlet and outlet pipe (5), and a spring and a rubber pad boss are arranged in the throttle valve (6).
The solar water heating system with the header pipe in the vacuum pipe in the prior art has the technical problems in the actual working process.
Disclosure of Invention
The invention provides a solar heat collection system which can ensure that a second circulating pipe is not frozen or frozen in the pipe without an electric tracing band.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the solar heat collection system comprises a solar heat collector, a heat preservation water tank and a water circulation system, wherein the solar heat collector is communicated with the heat preservation water tank through the water circulation system, the water circulation system comprises a first circulation pipe, a second circulation pipe, a circulation pump and a three-way connector, one end of the first circulation pipe and one end of the second circulation pipe are communicated with the solar heat collector through the three-way connector, the other end of the first circulation pipe and the other end of the second circulation pipe are communicated with the heat preservation water tank, the circulation pump is communicated with the second circulation pipe, circulating water flows from the solar heat collector to the heat preservation water tank through the first circulation pipe, circulating water flows from the heat preservation water tank to the solar heat collector through the second circulation pipe, the three-way connector comprises a first circulating pipe connecting pipe, a second circulating pipe connecting pipe, a heat collector connecting box interface and a three-way pipe, one end of the three-way pipe is fixedly communicated with the heat collector connecting box interface, the other two ends of the three-way pipe are respectively communicated with the first circulating pipe connecting pipe and the second circulating pipe connecting pipe, the first circulating pipe connecting pipe is communicated with the first circulating pipe, the second circulating pipe connecting pipe is communicated with the second circulating pipe, a connector is further communicated between the three-way pipe and the second circulating pipe connecting pipe, the connector comprises a cylindrical cavity and a circular truncated cone-shaped cavity, the cylindrical cavity is communicated with the circular truncated cone-shaped cavity, and extends into the three-way pipe, and the circular truncated cone-shaped cavity is communicated with the second circulating pipe connecting pipe.
Further, the second circulating pipe is further communicated with an air inlet valve and a second control valve, the air inlet valve and the second control valve are respectively arranged on two sides of the circulating pump, and the air inlet valve is arranged between the circulating pump and the heat preservation water tank.
Further, the solar heat collection system further comprises a water supplementing system, and the water supplementing system is communicated with the heat preservation water tank.
Further, the solar heat collection system further comprises a solar controller, and the solar controller is connected with the circulating pump and the water supplementing system.
Further, a liquid level measuring device and a temperature collecting device are further arranged in the heat preservation water tank, the liquid level measuring device is respectively connected with the water supplementing system and the solar energy controller, and the temperature collecting device is connected with the solar energy controller.
Further, the second circulating pipe is further communicated with a filter and a flexible connecting pipe, the filter and the flexible connecting pipe are arranged between the air inlet valve and the circulating pump, the filter is close to the air inlet valve, and the flexible connecting pipe is close to the circulating pump.
Further, the three-way connector further comprises a third control valve and a fourth control valve, wherein the third control valve is communicated with the first circulating pipe connecting pipe, and the fourth control valve is communicated with the second circulating pipe connecting pipe.
Further, the connector is communicated with a heat collecting pipe hole in the heat collector connecting box.
Further, a fifth control valve is communicated between the first circulating pipe and the heat preservation water tank.
Compared with the prior art, the invention has the advantages that:
according to the solar heat collection system, the second circulating pipe, the air inlet valve and the second control valve are arranged in a matched mode, so that the second circulating pipe can be prevented from being frozen or frozen in the pipe without an electric heat tracing band.
Drawings
FIG. 1 is a schematic view of a solar thermal collection system according to the present invention;
FIG. 2 is a schematic view of a three-way joint according to the present invention;
fig. 3 is a schematic view of a joint according to the present invention.
The reference numerals are as follows:
the solar energy heat collector comprises a 1-solar heat collector, a 11-heat collector connecting box, a 111-heat collecting pipe hole, a 2-heat preservation water tank, a 21-liquid level measuring device, a 22-temperature collecting device, a 3-water circulating system, a 31-first circulating pipe, a 311-fifth control valve, a 32-second circulating pipe, a 321-air inlet valve, a 322-second control valve, a 323-filter, a 324-flexible connecting pipe, a 33-circulating pump, a 34-three-way connector, a 341-first circulating pipe connector, a 342-second circulating pipe connector, a 343-heat collector connecting box connector, a 344-three-way pipe, a 345-connector, a 346-third control valve, a 347-fourth control valve, a 4-water supplementing system and a 5-solar energy controller.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the drawings.
As shown in fig. 1 to 3, a solar heat collecting system comprises a solar heat collector 1, a heat preservation water tank 2 and a water circulation system 3, wherein the solar heat collector 1 and the heat preservation water tank 2 are communicated through the water circulation system 3, the water circulation system 3 comprises a first circulation pipe 31, a second circulation pipe 32, a circulation pump 33 and a three-way connector 34, one end of the first circulation pipe 31 and one end of the second circulation pipe 32 are communicated with the solar heat collector 1 through the three-way connector 34, the other end of the first circulation pipe 31 and the other end of the second circulation pipe 32 are communicated with the heat preservation water tank 2, the circulation pump 33 is communicated with the second circulation pipe 32, wherein circulating water flows from the solar heat collector 1 to the heat preservation water tank 2 through the first circulation pipe 31, circulating water flows into the solar heat collector 1 from the heat preservation water tank 2 through the second circulating pipe 32, the three-way connector 34 comprises a first circulating pipe connecting pipe 341, a second circulating pipe connecting pipe 342, a heat collector connecting pipe interface 343 and a three-way pipe 344, one end of the three-way pipe 344 is fixedly communicated with the heat collector connecting pipe interface 343, the other two ends of the three-way pipe 344 are respectively communicated with the first circulating pipe connecting pipe 341 and the second circulating pipe connecting pipe 342, the first circulating pipe connecting pipe 341 is communicated with the first circulating pipe 31, the second circulating pipe connecting pipe 342 is communicated with the second circulating pipe 32, a connector 345 is further communicated between the three-way pipe 344 and the second circulating pipe connecting pipe 342, the connector 345 comprises a cylindrical cavity and a round table-shaped cavity, the cylindrical cavity is communicated with the round table-shaped cavity, the cylindrical cavity extends into the three-way pipe 344, the circular truncated cone-shaped cavity is communicated with the second circulation tube connection tube 342.
The second circulation pipe 32 is further communicated with an air inlet valve 321 and a second control valve 322, and the air inlet valve 321 and the second control valve 322 are respectively arranged at two sides of the circulation pump 33, wherein the air inlet valve 321 is arranged between the circulation pump 33 and the heat preservation water tank 2.
The solar heat collection system further comprises a water supplementing system 4, and the water supplementing system 4 is communicated with the heat preservation water tank 2.
The solar heat collection system further comprises a solar controller 5, and the solar controller 5 is connected to the circulating pump 33 and the water replenishing system 4.
The heat preservation water tank 2 is internally provided with a liquid level measuring device 21 and a temperature collecting device 22, the liquid level measuring device 21 is respectively connected with the water supplementing system 4 and the solar controller 5, and the temperature collecting device 22 is connected with the solar controller 5.
The second circulation pipe 32 is further connected with a filter 323 and a flexible connection pipe 324, the filter 323 and the flexible connection pipe 324 are arranged between the air inlet valve 321 and the circulation pump 33, wherein the filter 323 is close to the air inlet valve 321, and the flexible connection pipe 324 is close to the circulation pump 33.
The three-way connection head 34 further comprises a third control valve 346 and a fourth control valve 347, wherein the third control valve 346 is communicated with the first circulation pipe connection tube 341, and the fourth control valve 347 is communicated with the second circulation pipe connection tube 342.
The connector 345 communicates with the collector tube holes 111 in the collector header 11.
A fifth control valve 311 is also communicated between the first circulation pipe 31 and the heat preservation water tank 2.
The present invention is not limited to the above-described embodiments, and the above-described embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims.
Claims (8)
1. The solar heat collection system comprises a solar heat collector, a heat preservation water tank and a water circulation system, wherein the solar heat collector and the heat preservation water tank are communicated through the water circulation system; the second circulating pipe is also communicated with an air inlet valve and a second control valve, and the air inlet valve and the second control valve are respectively arranged at two sides of the circulating pump, wherein the air inlet valve is arranged between the circulating pump and the heat preservation water tank.
2. The solar thermal collection system of claim 1, further comprising a water replenishment system in communication with the insulated water tank.
3. The solar heat collection system of claim 2, further comprising a solar control device connected to the circulation pump and the water replenishment system.
4. A solar heat collection system according to claim 3, wherein a liquid level measuring device and a temperature collecting device are further arranged in the heat preservation water tank, the liquid level measuring device is connected with the water replenishing system and the solar controller respectively, and the temperature collecting device is connected with the solar controller.
5. The solar heat collection system according to claim 2, wherein the second circulation pipe is further connected with a filter and a flexible connection pipe, the filter and the flexible connection pipe are arranged between the air inlet valve and the circulation pump, the filter is close to the air inlet valve, and the flexible connection pipe is close to the circulation pump.
6. The solar heat collection system of claim 1, wherein the three-way connection head further comprises a third control valve and a fourth control valve, wherein the third control valve is in communication with the first circulation tube takeover and the fourth control valve is in communication with the second circulation tube takeover.
7. The solar thermal collection system of claim 1, wherein the connector communicates with a thermal collection tube aperture in the collector header.
8. The solar heat collection system according to claim 1, wherein a fifth control valve is further communicated between the first circulation pipe and the heat preservation water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755325.4A CN107314553B (en) | 2017-08-29 | 2017-08-29 | Solar heat collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755325.4A CN107314553B (en) | 2017-08-29 | 2017-08-29 | Solar heat collection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314553A CN107314553A (en) | 2017-11-03 |
| CN107314553B true CN107314553B (en) | 2023-11-21 |
Family
ID=60177357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710755325.4A Active CN107314553B (en) | 2017-08-29 | 2017-08-29 | Solar heat collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314553B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2405443A1 (en) * | 1977-10-07 | 1979-05-04 | Chatelain Michel | Circulating system for solar heat collector - has storage tank divided into three levels fed dependent upon temp. |
| CN2911538Y (en) * | 2006-03-21 | 2007-06-13 | 中山华帝燃具股份有限公司 | Splitting solar water heater |
| CN201242291Y (en) * | 2008-06-17 | 2009-05-20 | 王明君 | Solar heat collection type thermal energy conversion apparatus |
| CN101846400A (en) * | 2010-06-09 | 2010-09-29 | 大连希奥特检测设备有限公司 | Single-working medium pressure-bearing circulated layered heat-storage split solar water heater with glass heat collecting pipes |
| WO2010116251A2 (en) * | 2009-04-09 | 2010-10-14 | Dawid Thirion | Low-pressure hot water supply unit |
| CN105333626A (en) * | 2015-12-08 | 2016-02-17 | 杨敏杰 | Safe high-efficiency solar water heating system |
| CN207113256U (en) * | 2017-08-29 | 2018-03-16 | 天普新能源科技有限公司 | A kind of solar thermal collection system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002325102C1 (en) * | 2001-08-10 | 2008-08-21 | Queen's University At Kingston | Passive back-flushing thermal energy system |
| CN102235759B (en) * | 2010-04-26 | 2015-02-18 | 林华谘 | Heat driven liquid self-circulating methods, devices and the system employ same |
-
2017
- 2017-08-29 CN CN201710755325.4A patent/CN107314553B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2405443A1 (en) * | 1977-10-07 | 1979-05-04 | Chatelain Michel | Circulating system for solar heat collector - has storage tank divided into three levels fed dependent upon temp. |
| CN2911538Y (en) * | 2006-03-21 | 2007-06-13 | 中山华帝燃具股份有限公司 | Splitting solar water heater |
| CN201242291Y (en) * | 2008-06-17 | 2009-05-20 | 王明君 | Solar heat collection type thermal energy conversion apparatus |
| WO2010116251A2 (en) * | 2009-04-09 | 2010-10-14 | Dawid Thirion | Low-pressure hot water supply unit |
| CN101846400A (en) * | 2010-06-09 | 2010-09-29 | 大连希奥特检测设备有限公司 | Single-working medium pressure-bearing circulated layered heat-storage split solar water heater with glass heat collecting pipes |
| CN105333626A (en) * | 2015-12-08 | 2016-02-17 | 杨敏杰 | Safe high-efficiency solar water heating system |
| CN207113256U (en) * | 2017-08-29 | 2018-03-16 | 天普新能源科技有限公司 | A kind of solar thermal collection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107314553A (en) | 2017-11-03 |
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