CN111811152A - Installation method of solar heating system - Google Patents
Installation method of solar heating system Download PDFInfo
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- CN111811152A CN111811152A CN202010660408.7A CN202010660408A CN111811152A CN 111811152 A CN111811152 A CN 111811152A CN 202010660408 A CN202010660408 A CN 202010660408A CN 111811152 A CN111811152 A CN 111811152A
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- Prior art keywords
- heat collecting
- water pipe
- main water
- heating system
- solar heating
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- 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
- F24S40/50—Preventing overheating or overpressure
- F24S40/58—Preventing overpressure in working fluid circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
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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
- Y02E10/47—Mountings or tracking
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- 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-Pump Type And Storage Water Heaters (AREA)
Abstract
A method for installing a solar heating system relates to the technical field of solar heating, solves the problem that the solar heating system installed by the existing installation method has poor heating effect or is easy to explode, and comprises the following steps: s1, arranging a main water pipe with an exhaust valve and a plurality of heat collection modules on the mounting platform, wherein the main water pipe is obliquely arranged, the water outlet end of the main water pipe is higher than the water inlet end of the main water pipe, each heat collection module comprises at least one heat collection device, the included angle between each heat collection device and the horizontal plane is adjusted, the included angle is larger than or equal to 3 degrees and smaller than or equal to 15 degrees, and the height difference between the highest point and the lowest point of the lower surface of each heat collection device is smaller than 1.8 m; and S2, connecting the main water pipe and the heat collecting device, connecting the heat collecting modules in series through the main water pipe, and exhausting the air of the main water pipe and the heat collecting device by the exhaust valve. The installation method of the invention realizes good heating effect by installing the heat collecting modules in series, and can realize that the situation of bursting of the solar tube can not occur by adjusting the installation gradient and the height of the heat collecting device.
Description
Technical Field
The invention relates to the technical field of solar heating, in particular to a method for installing a solar heating system.
Background
According to the national requirements of energy conservation and emission reduction, solar energy is increasingly applied to various fields as clean energy, and the traditional solar water heater is difficult to be widely used due to the limitation of global latitude, weather and water consumption.
Most of the traditional solar water heating systems are installed in a parallel mode, hot water in solar energy can be heated only once, the temperature of the hot water in the solar energy is not high, once the hot water is in winter and rainy days, the temperature of the hot water is lower, the requirement for the hot water is difficult to meet, and particularly enterprises needing a large amount of hot water supply are difficult to meet. A few series-connection mounting modes exist, but after a plurality of groups of solar water heating systems are connected in series, the mounted heating systems have the problem of steam exhaust, and the problem of solar tube burst often occurs in good weather, so that the series-connection mounted solar water heating systems cannot be put into practical application. Therefore, a solar heating system which is installed by the installation method of the solar heating system is good in heating effect and difficult to explode is needed.
Disclosure of Invention
The invention provides an installation method of a solar heating system, aiming at solving the problem that the solar heating system installed by the existing installation method has poor heating effect or is easy to explode.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a method of installing a solar heating system, comprising the steps of:
s1, mounting a main water pipe with an exhaust valve and a plurality of heat collection modules on the mounting platform, wherein the main water pipe is obliquely arranged, the water outlet end of the main water pipe is higher than the water inlet end of the main water pipe, each heat collection module comprises at least one heat collection device, and the included angle between each heat collection device and the horizontal plane is adjusted to enable the included angle to be larger than or equal to 3 degrees and smaller than or equal to 15 degrees, and the height difference between the highest point and the lowest point of the lower surface of each heat collection device to be smaller than 1.8 m;
and S2, connecting the main water pipe and the heat collecting devices, connecting the heat collecting modules in series through the main water pipe, and exhausting the air of the main water pipe and all the heat collecting devices by the exhaust valve.
A method for installing a solar heating system.
The invention has the beneficial effects that:
the invention provides a novel installation method of a solar heating system, which enables water to be heated for many times by installing heat collecting modules in series, thereby obtaining higher hot water temperature under the condition of bad weather; the pressure problem of a solar tube at the bottom of a solar heating system is solved through height limitation, steam is smoothly discharged through a main water tube and an exhaust valve on the main water tube, so that the problem that the solar tube bursts due to the fact that the steam is retained in the solar tube is solved, the water pressure at the bottom of a heat collecting device is not too large when a plurality of heat collecting modules are connected in series through the arrangement of the included angle between the heat collecting device and a horizontal plane, the situation that the solar tube bursts cannot occur through adjustment of the installation gradient and the height of the heat collecting device, and therefore the solar heating system installed through the installation method is long in service life, high in stability and low in failure rate.
Drawings
Fig. 1 is a perspective view of a solar heating system installed by a method of installing a solar heating system according to the present invention.
Fig. 2 is a side view of a solar heating system installed according to a method of installing a solar heating system of the present invention.
FIG. 3 is a schematic view of the installation position of the heat collecting module according to the installation method of the solar heating system of the present invention.
FIG. 4 is a schematic view of the installation position of the heat collecting device according to the installation method of the solar heating system of the present invention.
Fig. 5 is a heating schematic diagram of a solar heating system installed by a method for installing a solar heating system according to the present invention.
Fig. 6 is a block diagram of a plurality of solar heating systems connected in parallel.
In the figure: 1. the solar heat collector comprises a main water pipe, 2, an exhaust valve, 3, a heat collecting module, 4, a heat collecting device, 5, a first straight pipe, 6, a second straight pipe, 7, the lower surface of the heat collecting device, 8, a pressure pump, 9 and a water inlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A method of installing a solar heating system, comprising the steps of:
s1, mounting a main water pipe 1 with an exhaust valve 2 and a plurality of heat collection modules 3 on a mounting platform, wherein the main water pipe 1 is obliquely arranged, the water outlet end of the main water pipe 1 is higher than the water inlet end of the main water pipe 1, each heat collection module 3 comprises at least one heat collection device 4, and the included angle between each heat collection device 4 and the horizontal plane is adjusted to enable the included angle to be larger than or equal to 3 degrees and smaller than or equal to 15 degrees and the height difference between the highest point and the lowest point of the lower surface 7 of each heat collection device to be smaller than 1.8 mm;
s2, connecting the main water pipe 1 and the heat collecting devices 4, namely connecting each heat collecting device 4 with the main water pipe 1 to realize the communication between the heat collecting device 4 and the main water pipe 1; the heat collecting modules 3 are connected in series through the main water pipe 1, the exhaust valve 2 can exhaust air for the main water pipe 1 and all the heat collecting devices 4, namely the connection part of the exhaust valve 2 and the main water pipe 1 is higher than the connection part of the heat collecting modules 3 and the main water pipe 1.
The water outlet end of the main water pipe 1 is connected with a water inlet pipe 9, a pressure pump 8 is arranged on the water inlet pipe 9, and cold water is injected into the water inlet end of the main water pipe 1 through the water inlet pipe 9 and the pressure pump 8. A solar heating system is obtained after installation as shown in fig. 1 and 2, and fig. 2 is a side view of a part of the structure of fig. 1.
The installation position of the heat collecting devices 4 is shown in fig. 3 and 4, the height difference between the highest point and the lowest point of the lower surface 7 of each heat collecting device is h, the horizontal straight line in fig. 3 and 4 represents the horizontal plane, and the bold oblique line in fig. 5 represents the lower surface 7 of each heat collecting device.
The number of the heat collecting modules 3 is N, and N is an integer greater than or equal to 3. The water entering the main water pipe 1 can be sequentially heated by the heat collecting modules 3 connected in series and then discharged out of the main water pipe 1. As shown in fig. 5, water introduced into a tandem solar heating system can be sequentially heated by the heat collecting module 3 and then output, and can be heated N times in total. The direction of water flow in the main water pipe 1 flows from the water inlet end of the main water pipe 1 to the water outlet end of the main water pipe 1, and is defined as flowing from front to back. The angle between the main water pipe 1 and the horizontal plane is usually set to 15-30 degrees, and in this embodiment, 18 degrees. The number of the exhaust valves 2 is usually one, the main water pipe 1 comprises a first straight pipe 5, the heat collection module 3 is connected with the first straight pipe 5, the exhaust valves 2 correspond to the first straight pipe 5, and the exhaust valves 2 can be arranged on the first straight pipe 5 and also can be arranged on other parts of the main water pipe 1. The main water pipe 1 can be a straight pipe, the main water pipe 1 adopts an L-shaped pipe in the embodiment, the L-shaped pipe comprises a first straight pipe 5 and a second straight pipe 6, one end of the first straight pipe 5 is connected with the other end of the cold water input pipe to be connected with the second straight pipe 6, the heat collection module 3 is connected with the first straight pipe 5, the exhaust valve 2 is located on the second straight pipe 6, the exhaust valve 2 is over corresponding to the first straight pipe 5, the position of the exhaust valve 2 is higher than all heat collection devices 4, and the height of the exhaust valve 2 and the ground is larger than the height of the heat collection devices 4.
When the heat collecting devices 4 of the heat collecting modules 3 are larger than 1, the heat collecting devices 4 of the same heat collecting module 3 are connected in parallel through the main water pipe 1, the heat collecting devices 4 of the heat collecting modules 3 heat the water entering the heat collecting modules 3 at the same time, and the water entering the heat collecting modules 3 enters the heat collecting devices 4 of the heat collecting modules 3 at the same time. In the embodiment, each heat collecting module 3 comprises two heat collecting devices 4, one is arranged at the left side of the main water pipe 1, the other is arranged at the right side of the main water pipe 1, the heat collecting devices 4 at the left side of the main water pipe 1 and the heat collecting devices 4 at the right side of the main water pipe 1 are symmetrically arranged relative to the main water pipe 1, as shown in fig. 5, the heat collecting devices 4 are arranged in the main water pipe 1 and water is discharged from the main water pipe 1, the connection parts between the heat collecting devices 4 adjacent to each other in the front and back direction and the main water pipe 1 are also arranged in the front and back direction and are arranged in sequence, as shown in fig. 5, the water heated by the previous heat collecting module 3 is discharged to the main water pipe 1, then the water can enter the next heat collecting module 3 adjacent to the former heat collecting module to be heated, namely the water heated by the two heat collecting devices 4 of the former heat collecting module 3 is discharged to the main water pipe 1, then part of the heat collecting device enters the heat collecting device 4 at the left side of the main water pipe 1 of the next heat collecting module 3, and part of the heat collecting device 4 at the right side of the main water pipe 1 of the next heat collecting module 3. The heat collection module 3, which is generally located at the rear side, is higher than the heat collection module 3 located at the front side, as shown in fig. 1 and 2.
The solar heating system installed by the installation method of the solar heating system can be used for hot water for buildings, hot water for light industry and hot water for slaughtering enterprises.
The heat collecting device 4 can adopt vacuum heat collecting tube type heat collecting devices 4, a lower water pipe and an upper water pipe of each vacuum heat collecting tube type heat collecting device 4 are connected with the main water pipe 1, a first water inlet pump is arranged on the lower water pipe, and the water of the main water pipe 1 is pressed into the vacuum heat collecting tube type heat collecting devices 4; the joints of the lower water pipes of the vacuum heat collecting tube type heat collecting devices 4 and the main water pipe 1 which are positioned on the same side of the main water pipe 1 are sequentially arranged, and the joints of the upper water pipes of the vacuum heat collecting tube type heat collecting devices 4 and the main water pipe 1 which are positioned on the same side of the main water pipe 1 are sequentially arranged. The heat collecting device 4 can also adopt a flat plate heat collector (namely, the flat plate heat collecting device 4), a water filling port and a water outlet of the flat plate heat collector are both communicated with the main water pipe 1, a second water inlet pump is arranged on a connecting pipeline between a water inlet of the flat plate heat collector and the main water pipe 1, and water in the main water pipe 1 is pressed into the flat plate heat collector through the water inlet pump.
By utilizing the principle of expansion with heat and contraction with cold of water, water with high water temperature flows to a high position, water with low water temperature flows to a low position, under the condition of series installation, the water temperature presents a dynamic balance state rising layer by layer from front to back, thereby achieving the purpose of heating for many times and ensuring that the water temperature of hot water heated by the series solar heating system is higher. The solar water heating system is installed in a series connection mode, water vapor is gas and forms an upward discharge principle in water, the water vapor is directly discharged upwards from a series connection pipe by connecting the water vapor in series at an angle larger than or equal to 3 degrees, and the exhaust valve 2 is arranged at the top of the solar water heating system, so that the problems of unsmooth water vapor discharge in the solar pipe and pipe explosion are effectively solved. The pressure problem of solar tube bottom the solar heating system is solved through the limit for height, and in actual installation, if the thermal-arrest module 3 of establishing ties is less relatively, can suitably promote the installation angle, and the thermal-arrest module 3 of establishing ties is many, then suitably reduces the angle, nevertheless the totality angle must not be less than 3, and the total height must not be higher than 1.8 meters, avoids the problem of the solar tube explosion of solar system bottom like this.
The invention provides a novel installation method of a solar heating system, which is characterized in that a heat collecting device 4 is installed, and water is heated for many times by serially installing heat collecting modules 3, so that high hot water temperature can be obtained under the condition of bad weather; the pressure problem of a solar tube at the bottom of a solar heating system is solved by limiting the height, and water vapor is smoothly discharged through a main water pipe 1 and an exhaust valve 2 on the main water pipe, so that the problem that the solar tube bursts as the water vapor is retained in the solar tube is solved; through the arrangement of the included angle between the heat collecting device 4 and the horizontal plane and the adjustment of the installation gradient and the height of the heat collecting device 4, the water pressure at the bottom of the heat collecting device 4 is not too large when a plurality of heat collecting modules 3 are connected in series, the situation of solar tube bursting cannot occur, and the solar heating system installed by the installation method is long in service life, high in stability and low in failure rate.
The installation method of the solar heating system can achieve the purpose of larger water consumption through the limitation of height and angle in a series connection mode. For large enterprises requiring a large amount of hot water, a plurality of tandem solar heating systems can be installed in parallel as shown in fig. 6, so that the purpose of using a large amount of hot water is achieved. The solar heating system installed by the installation method has a good heating effect and is not easy to explode.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A method of installing a solar heating system, comprising the steps of:
s1, a main water pipe (1) with an exhaust valve (2) is installed on the installation platform, a plurality of heat collection modules (3) are installed on the installation platform, the main water pipe (1) is obliquely arranged, the water outlet end of the main water pipe (1) is higher than the water inlet end of the main water pipe, each heat collection module (3) comprises at least one heat collection device (4), the included angle between each heat collection device (4) and the horizontal plane is adjusted, the included angle is larger than or equal to 3 degrees and smaller than or equal to 15 degrees, and the height difference between the highest point and the lowest point of the lower surface of each heat collection device (4) is smaller than 1.;
s2, the main water pipe (1) and the heat collecting devices (4) are connected, the heat collecting modules (3) are connected in series through the main water pipe (1), and the exhaust valve (2) can exhaust air for the main water pipe (1) and all the heat collecting devices (4).
2. A method of mounting a solar heating system as claimed in claim 1, characterized in that the number of heat collecting modules (3) is more than 3.
3. A method of installation of a solar heating system as claimed in claim 1, characterised in that the water entering the main water pipe (1) is able to be heated in sequence by the series of heat collecting modules (3) and then discharged out of the main water pipe (1).
4. The installation method of a solar heating system as claimed in claim 1, characterized in that the number of the heat collecting devices (4) of a heat collecting module (3) is at least two, and the heat collecting devices (4) of the same heat collecting module (3) are connected in parallel through the main water pipe (1).
5. A method of mounting a solar heating system as defined in claim 4, wherein each of said heat collecting modules (3) comprises 2 heat collecting means (4), the heat collecting means (4) of each heat collecting module (3) being located one on the left side of the main water pipe (1) and the other on the right side of the main water pipe (1).
6. A solar heating system installed by the method of installing a solar heating system as claimed in any one of claims 1 to 5.
7. Solar heating system according to claim 6, characterised in that said heat collecting means (4) are vacuum heat collecting tube type heat collecting means (4).
8. Solar heating system according to claim 6, characterised in that the heat collecting device (4) is a flat plate collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660408.7A CN111811152A (en) | 2020-07-02 | 2020-07-02 | Installation method of solar heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660408.7A CN111811152A (en) | 2020-07-02 | 2020-07-02 | Installation method of solar heating system |
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| Publication Number | Publication Date |
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| CN111811152A true CN111811152A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010660408.7A Pending CN111811152A (en) | 2020-07-02 | 2020-07-02 | Installation method of solar heating system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5989954A (en) * | 1982-11-11 | 1984-05-24 | Nippon Light Metal Co Ltd | Roof provided with solar heat collector |
| CN201166467Y (en) * | 2007-06-12 | 2008-12-17 | 内蒙古工大阳光环保节能科技有限责任公司 | Forced circulation balcony split type solar energy water heater |
| CN203068824U (en) * | 2012-12-08 | 2013-07-17 | 刘进丰 | Straight-flow type solar water heating system of middle header type heat collector |
| CN203642538U (en) * | 2014-01-02 | 2014-06-11 | 江苏富源节能电器有限公司 | Exhaust device for pipelines of solar water heating system |
-
2020
- 2020-07-02 CN CN202010660408.7A patent/CN111811152A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5989954A (en) * | 1982-11-11 | 1984-05-24 | Nippon Light Metal Co Ltd | Roof provided with solar heat collector |
| CN201166467Y (en) * | 2007-06-12 | 2008-12-17 | 内蒙古工大阳光环保节能科技有限责任公司 | Forced circulation balcony split type solar energy water heater |
| CN203068824U (en) * | 2012-12-08 | 2013-07-17 | 刘进丰 | Straight-flow type solar water heating system of middle header type heat collector |
| CN203642538U (en) * | 2014-01-02 | 2014-06-11 | 江苏富源节能电器有限公司 | Exhaust device for pipelines of solar water heating system |
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