CN215062322U - Slot type solar energy combined heating system - Google Patents
Slot type solar energy combined heating system Download PDFInfo
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- CN215062322U CN215062322U CN202120923976.1U CN202120923976U CN215062322U CN 215062322 U CN215062322 U CN 215062322U CN 202120923976 U CN202120923976 U CN 202120923976U CN 215062322 U CN215062322 U CN 215062322U
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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
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Abstract
The utility model belongs to the field of solar heat utilization, and discloses a trough type solar combined heating system, which comprises a heat collecting medium conveying pump, a heat collecting medium conveying pipe and a plurality of trough type solar heat collecting devices; the system comprises a plurality of groove type solar heat collecting devices, a plurality of solar heat collecting devices and a plurality of solar heat collecting devices, wherein the groove type solar heat collecting devices are sequentially connected in series; the heat collecting medium conveying pipe is filled with heat collecting medium and provided with a heat collecting medium conveying pump; the outlet of each groove type solar heat collection device is sequentially provided with a heat exchanger tube and a heat exchanger, each heat exchanger tube is provided with a first valve, the heat exchanger tube is connected with a heat collection medium inlet, a heat collection medium outlet is connected with a heat collection medium conveying pipe, and a heat supply medium inlet and a heat supply medium outlet are respectively used for inputting and outputting heat supply media. The system can simultaneously realize the heat supply demands of a plurality of parameters, has small fluctuation of a heat supply outlet, and has good practicability in a complex heat demand scene.
Description
Technical Field
The utility model belongs to solar thermal energy utilization field relates to a slot type solar energy combined heating system.
Background
The existing heating mode mainly comprises centralized heating and individual heating, and the heat sources mainly comprise a coal-fired boiler, a gas-fired boiler, an electric boiler, a household scattered biomass boiler and the like. The large-scale central heating can meet the requirements of large-scale heat users, but a large amount of fuel needs to be consumed, and the waste gas and the waste residues generated in the combustion process have adverse effects on the environment. While the household heating is mostly used in rural areas or urban areas, the small-sized point boiler or biomass boiler has the same problem of higher cost or lower efficiency.
The solar energy is utilized for heating, and the requirements of energy conservation, emission reduction and low-carbon economy development are met. It is estimated that the energy irradiated to the earth surface per second is equivalent to 500 ten thousand tons of coal, and the energy is fully capable of replacing part of the heating requirement, and even for part of industrial heat users, solar energy can be used as a heat source to replace the traditional energy source.
However, the solar heating has many problems in the specific implementation process, such as the contradiction between the diversity of the thermal quality demands of thermal users and the singularity and fluctuation of the outlet parameters of the solar heat collecting equipment. In order to enhance the applicability of solar heating and heat supply and improve the matching between a heat source and a user, an efficient and stable solar heating and heat supply system is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome among the above-mentioned prior art solar energy collection equipment export parameter singleness, and undulant big shortcoming provides a slot type solar energy combined heating system.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a trough type solar combined heating system comprises a heat collecting medium delivery pump, a heat collecting medium delivery pipe and a plurality of trough type solar heat collecting devices; the plurality of groove type solar heat collecting devices are sequentially connected in series, and the groove type solar heat collecting devices at two ends after the groove type solar heat collecting devices are defined as a first groove type solar heat collecting device and a second groove type solar heat collecting device respectively; the inlet of the first groove type solar heat collecting device is connected with the outlet of the second groove type solar heat collecting device through a heat collecting medium conveying pipe; the heat collecting medium conveying pipe is filled with heat collecting medium and provided with a heat collecting medium conveying pump; the outlet of each groove type solar heat collection device is sequentially provided with a heat exchanger tube and a heat exchanger, each heat exchanger tube is provided with a first valve, and each heat exchanger is provided with a heat collection medium inlet, a heat collection medium outlet, a heat supply medium inlet and a heat supply medium outlet; the heat exchanger pipe is connected with the heat collecting medium inlet, the heat collecting medium outlet is connected with the heat collecting medium conveying pipe, and the heat supply medium inlet and the heat supply medium outlet are respectively used for inputting and outputting heat supply media.
The utility model discloses further improvement lies in:
the groove type solar heat collection device comprises a plurality of groove type solar heat collectors which are connected in series or in parallel.
And a heat supply medium inlet pipe is arranged on the heat supply medium inlet, and a heat supply medium delivery pump is arranged on the heat supply medium inlet pipe.
The first valve is a butterfly valve or a gate valve.
The heat collecting medium storage device is connected with the heat collecting medium conveying pipe through the heat collecting medium bypass pipe.
And a second valve is arranged on the heat collecting medium bypass pipe.
The second valve is an overflow valve.
The heat collecting medium is heat conducting oil, silicone oil, molten salt or water.
The heat supply medium is liquid water or steam.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses slot type solar energy combined heating system sets up heat exchanger pipe and heat exchanger through the export at every slot type solar heat collection device, makes the thermal-arrest medium can follow an arbitrary slot type solar heat collection device's heat exchanger pipe flow to the heat exchanger that corresponds, realizes a plurality of heat source output parameter on single slot type solar energy system basis. This slot type solar energy system can realize jointly supplying heat and supplying heat according to different hot user's demand, and through the control of first valve, the heat exchanger that can select suitable heat source parameter carries out the heat transfer with the heating medium, heats the heating medium to required parameter and supplies heat, realizes multiple heating parameter's demand simultaneously, has good practicality in complicated hot demand scene. Meanwhile, the output heat source can be allocated through the first valve, so that the stable control of the output heat source can be realized, the fluctuation of the output heat source parameters is greatly reduced, and the energy utilization efficiency is improved.
Furthermore, the first valve is a butterfly valve or a gate valve, and based on the adjustable performance of the butterfly valve or the gate valve, the flow control of a single heat exchanger pipe is realized, so that the heat exchange amount of each heat exchanger is controlled more accurately.
The heat collecting medium storage device is connected with the heat collecting medium conveying pipe through the heat collecting medium bypass pipe. By arranging the heat collecting medium storage device, on one hand, the heat collecting medium storage device is used for storing the heat collecting medium, and on the other hand, the volume expansion of the heat collecting medium at different temperatures is met.
Furthermore, the second valve is an overflow valve, and when the expansion pressure of the heat collecting medium in the heat collecting medium conveying pipe is greater than a certain value, the heat collecting medium automatically flows into the heat collecting medium storage device under the action of the overflow valve, so that automatic control is realized, and the operation cost is reduced.
Drawings
Fig. 1 is the structural schematic diagram of the trough-type solar combined heating system of the present invention.
Wherein: 1-a trough type solar heat collector; 2-heat collecting medium delivery pump; 3-heat collecting medium storage device; 4-heat collecting medium bypass pipe; 5-a heat exchanger; 6-a first valve; 7-heat supply medium delivery pump; 8-hot user; 9-second valve.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the utility model provides a trough solar energy combined heating system, including heat collecting medium delivery pump 2, heat collecting medium conveyer pipe and a plurality of trough type solar heat collection device 1.
The solar heat collection system comprises a plurality of groove-type solar heat collection devices 1, a plurality of solar heat collection devices and a plurality of solar heat collection devices, wherein the groove-type solar heat collection devices 1 are sequentially connected in series, and the groove-type solar heat collection devices 1 at two ends after being connected in series are defined as a first groove-type solar heat collection device 1 and a second groove-type solar heat collection device 1 respectively; the inlet of the first groove type solar heat collecting device 1 is connected with the outlet of the second groove type solar heat collecting device 1 through a heat collecting medium conveying pipe; the heat collecting medium conveying pipe is filled with heat collecting medium and provided with a heat collecting medium conveying pump 2; the outlet of each groove type solar heat collection device 1 is sequentially provided with a heat exchanger tube and a heat exchanger 5, each heat exchanger tube is provided with a first valve 6, and each heat exchanger 5 is provided with a heat collection medium inlet, a heat collection medium outlet, a heat supply medium inlet and a heat supply medium outlet; the heat exchanger pipe is connected with the heat collecting medium inlet, the heat collecting medium outlet is connected with the heat collecting medium conveying pipe, and the heat supply medium inlet and the heat supply medium outlet are respectively used for inputting and outputting heat supply media.
When the trough type solar combined heating system works, a plurality of trough type solar heat collecting devices 1 and heat collecting medium conveying pumps 2 are connected through heat collecting medium conveying pipes to form a heat collecting loop, and heat collecting media are conveyed to the trough type solar heat collecting devices 1 through the arranged heat collecting medium conveying pumps 2; each trough type solar heat collecting device 1 converts solar energy into heat energy of a heat collecting medium. Then, the heat collecting medium absorbing the heat energy is conveyed to the corresponding heat exchangers through the heat exchanger pipes, whether any heat exchanger 5 works or not can be realized through the first valve 6 arranged on the heat exchanger pipe, and meanwhile, the quantity control of the groove type solar heat collecting devices 1 connected with any heat exchanger 5 is realized based on the connection relation of the plurality of groove type solar heat collecting devices 1 connected in series in sequence, and the heat exchange quantity of the heat exchanger 5 is further determined. The heat user 8 and the heat exchanger 5 are connected through a pipeline to form a heat supply loop, a heat supply medium is conveyed to the heat exchanger 5 through an inlet of the heat exchanger 5, heat exchange is completed in the heat exchanger 5 through heat exchange of the heat exchanger 5 by a heat collection medium and the heat supply medium, then the heat supply medium input through an inlet of the heat supply medium is heated, and then the heated heat supply medium is conveyed to the heat user 8 corresponding to the heat supply requirement through an outlet of the heat supply medium.
To sum up, the utility model discloses slot type solar energy combined heating system sets up heat exchanger pipe and heat exchanger 5 through the export at every slot type solar heat collection device 1, makes the thermal-arrest medium can follow the heat exchanger pipe flow of an arbitrary slot type solar heat collection device 1 to the heat exchanger 5 that corresponds, realizes a plurality of heat source output parameters on single slot type solar energy system basis. This slot type solar energy system can realize jointly supplying heat and supplying heat according to different hot user's demand, and through the control of first valve 6, can select the heat exchanger 5 and the heating medium of suitable heat source parameter to carry out the heat transfer, heats the heating medium to required parameter and supplies heat, realizes the demand of multiple heating parameter simultaneously, has good practicality in complicated hot demand scene. Meanwhile, the output heat source can be allocated through the first valve 6, so that the stable control of the output heat source can be realized, the fluctuation of the output heat source parameters is greatly reduced, and the overall energy utilization efficiency is improved.
Preferably, the trough solar heat collector 1 comprises a plurality of trough solar heat collectors, and the plurality of trough solar heat collectors are connected in series or in parallel. The groove type solar heat collector 1 can be simply and quickly constructed by adopting the existing groove type solar heat collector in a series or parallel connection mode. The trough type solar thermal collector generally comprises a reflector, a reflector bracket, a thermal-collecting tube support, a driving device, a vertical column and other components capable of converting sunlight into thermal energy of a thermal-collecting medium.
Preferably, a heat supply medium inlet pipe is arranged on the heat supply medium inlet, a heat supply medium delivery pump 7 is arranged on the heat supply medium inlet pipe, the heat supply medium is delivered to the heat exchanger 5 through the heat supply medium delivery pump 7, and after the heat of the heat collection medium is absorbed and the temperature is raised, the heat is returned to the heat user 8 for heat supply or heating.
Preferably, the first valve 6 is a butterfly valve or a gate valve, and based on the adjustable performance of the butterfly valve or the gate valve, the flow control of a single heat exchanger pipe is realized, so that the heat exchange amount of each heat exchanger 5 is controlled more accurately.
Preferably, the solar heat collector further comprises a heat collecting medium bypass pipe 4 and a heat collecting medium storage device 3, and the heat collecting medium storage device 3 is connected with the heat collecting medium conveying pipe through the heat collecting medium bypass pipe 4. By arranging the heat collecting medium storage device 3, on one hand, the heat collecting medium storage device is used for storing the heat collecting medium, and on the other hand, the volume expansion of the heat collecting medium at different temperatures is met.
Preferably, the heat collecting medium bypass pipe 4 is provided with a second valve 9 for controlling the connection of the heat collecting medium storage device 3 and the heat collecting medium delivery pipe, so as to supplement and store the heat collecting medium in the heat collecting medium delivery pipe.
Preferably, the second valve 9 is an overflow valve, and when the expansion pressure of the heat collecting medium in the heat collecting medium delivery pipe is greater than a certain value, the heat collecting medium automatically flows into the heat collecting medium storage device 3 under the action of the overflow valve, so that automatic control is realized, and the operation cost is reduced.
Preferably, the heat collecting medium is heat conducting oil, silicone oil, molten salt or water, and the heat supplying medium is liquid water or steam. These materials have good heat exchange efficiency, are easy to obtain and have low cost.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (9)
1. A trough type solar combined heating system is characterized by comprising a heat collecting medium delivery pump (2), a heat collecting medium delivery pipe and a plurality of trough type solar heat collecting devices (1);
the plurality of groove type solar heat collecting devices (1) are sequentially connected in series, and the groove type solar heat collecting devices (1) at two ends after being connected in series are defined as a first groove type solar heat collecting device (1) and a second groove type solar heat collecting device (1) respectively; the inlet of the first groove type solar heat collecting device (1) is connected with the outlet of the second groove type solar heat collecting device (1) through a heat collecting medium conveying pipe; the heat collecting medium conveying pipe is filled with heat collecting media, and a heat collecting medium conveying pump (2) is arranged on the heat collecting medium conveying pipe; the outlet of each groove type solar heat collection device (1) is sequentially provided with a heat exchanger tube and a heat exchanger (5), each heat exchanger tube is provided with a first valve (6), and each heat exchanger (5) is provided with a heat collection medium inlet, a heat collection medium outlet, a heat supply medium inlet and a heat supply medium outlet; the heat exchanger pipe is connected with the heat collecting medium inlet, the heat collecting medium outlet is connected with the heat collecting medium conveying pipe, and the heat supply medium inlet and the heat supply medium outlet are respectively used for inputting and outputting heat supply media.
2. Trough solar combined heating and heating system according to claim 1, characterized in that the trough solar thermal collector (1) comprises several trough solar collectors connected in series or in parallel.
3. The trough type solar combined heating and heat supplying system according to claim 1, wherein a heat supplying medium inlet pipe is arranged on the heat supplying medium inlet, and a heat supplying medium delivery pump (7) is arranged on the heat supplying medium inlet pipe.
4. Trough solar combined heating and heating system according to claim 1, characterized in that the first valve (6) is a butterfly or gate valve.
5. The trough type solar combined heating and supplying system according to claim 1, further comprising a heat collecting medium bypass pipe (4) and a heat collecting medium storage device (3), wherein the heat collecting medium storage device (3) is connected with the heat collecting medium conveying pipe through the heat collecting medium bypass pipe (4).
6. The trough solar combined heating and heating system according to claim 4, wherein a second valve (9) is arranged on the heat collecting medium bypass pipe (4).
7. Trough solar combined heating and heating system according to claim 5, characterized in that the second valve (9) is an overflow valve.
8. The trough type solar combined heating and supplying system as claimed in claim 1, wherein the heat collecting medium is heat conducting oil, silicone oil, molten salt or water.
9. The trough solar combined heating and heating system according to claim 1, wherein the heating medium is liquid water or steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923976.1U CN215062322U (en) | 2021-04-29 | 2021-04-29 | Slot type solar energy combined heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923976.1U CN215062322U (en) | 2021-04-29 | 2021-04-29 | Slot type solar energy combined heating system |
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| Publication Number | Publication Date |
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| CN215062322U true CN215062322U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120923976.1U Active CN215062322U (en) | 2021-04-29 | 2021-04-29 | Slot type solar energy combined heating system |
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| CN (1) | CN215062322U (en) |
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2021
- 2021-04-29 CN CN202120923976.1U patent/CN215062322U/en active Active
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