CN201488868U - Performance testing device for trough-type solar collector - Google Patents
Performance testing device for trough-type solar collector Download PDFInfo
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- CN201488868U CN201488868U CN 200920194373 CN200920194373U CN201488868U CN 201488868 U CN201488868 U CN 201488868U CN 200920194373 CN200920194373 CN 200920194373 CN 200920194373 U CN200920194373 U CN 200920194373U CN 201488868 U CN201488868 U CN 201488868U
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Abstract
The utility model discloses a performance testing device for a trough-type solar collector. The performance testing device comprises an oil tank, a valve arranged at the opening of the oil tank, an oil pump, a heat collector, a heat exchanger, a steam tank, an expansion container, a water pipe and a beam radiation meter fixed equidirectionally with the heat collector, wherein a heat collection pipe is arranged in a focus point of the heat collector; the oil tank is filled with heat transfer oil, and the heat collection pipe, the heat exchanger and the expansion container are connected through a pipe in sequence to form a circulation loop; the heat collection pipe is connected to the left side of the valve, and the expansion container is connected to the right side of the valve; and the water pipe and the steam tank are respectively connected at an inlet and an outlet of the heat exchanger. The performance testing device has the advantages of easy realization due to simple structure, and can quickly measure the performance of the heat collector.
Description
[technical field]
The utility model relates to the heat energy proving installation, relates in particular to a kind of proving installation of performances of trough type solar thermal collector.
[background technology]
The means of testing of existing solar thermal collector is based on the steady state test technology, and content measurement comprises stable state or the accurate attitude momentary efficiency and the heat collector heat loss coefficient of heat collector.And the steady state test technology is very high to the meteorologic parameter requirement, can only test at indoor employing optical device.And in practice, solar thermal collector all is to be operated in outdoor, actual environment must cause test result not conform to test result at lab simulation.Therefore be badly in need of a kind ofly can at present, relevant proving installation having been arranged abroad in outdoor means of testing, as the groove type solar proving installation of Italian ENEA, but its testing apparatus is comparatively complicated and expensive, and can not reach the purpose of quick measurement.
[utility model content]
The utility model provides a kind of proving installation of performances of trough type solar thermal collector at the above-mentioned defective of prior art, for the performance parameter of measuring solar thermal collector fast.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of proving installation of performances of trough type solar thermal collector, comprise fuel tank, be arranged on reservoir port valve, oil pump, heat collector, heat exchanger, vapor can, expansion vessel, water pipe, with the fixing in the same way direct solar radiation meter of heat collector, have thermal-collecting tube on the focus point of heat collector; Conduction oil is housed in the fuel tank, and described thermal-collecting tube, heat interchanger, expansion vessel connect and compose closed circuit with pipeline successively; The valve left side connects thermal-collecting tube, and the right connects expansion vessel; Water pipe and vapor can are connected to the import and the outlet of heat interchanger.
Preferably, described thermal-collecting tube two ends dress is respectively equipped with a thermopair and a gate valve, and gate valve is positioned at the thermopair outside.
Preferably, proving installation also comprises metal support, sun-following device, slot type catoptron and thermal-collecting tube, and described two gate valves are in reverse to the thermal-collecting tube direction and are equiped with one section metal hose respectively, and the metal hose other end is connected with oil pump by pipeline.
Preferably, also be equiped with the ball valve of control conduction oil flow between oil pump and the metal hose, and the flowmeter that calculates the conduction oil flow.
Preferably, be provided with safety valve and tensimeter between described thermal-collecting tube and the heat interchanger successively.
As can be seen from the above technical solutions, the utility model tries the thermal efficiency that sun power direct solar radiation intensity can obtain heat collector by the temperature and the direct solar radiation instrumentation of thermocouple assay thermal-collecting tube.The heat of conduction oil is fed water by the heat interchanger heat exchange, produce saturated vapour, can obtain the whole apparatus system round-robin thermal efficiency.By the flow of ball valve control system heat-transfer working medium, can draw the relation of systemic circulation efficient and flow.It is simple to the utlity model has apparatus structure, is easy to realize advantage, and can realize measuring fast thermal performance of collectors.
[description of drawings]
Fig. 1 is the utility model one preferred embodiment structural representation.
Fig. 2 is another preferred embodiment structural representation of the utility model.
[embodiment]
Below in conjunction with embodiment the utility model is described in further detail.
Referring to shown in Figure 1, this preferred embodiment comprises fuel tank 1, is arranged on the valve 2 of reservoir port, oil pump 3, metal hose 6, heat collector 23, heat exchanger 17, vapor can 18, expansion vessel 21, water pipe 22, and fixing in the same way direct solar radiation meter (not shown), the thermal-collecting tube 11 of heat collector, the sun tracking system 7 that is used to support the metal support 8 of heat collector and drive heat collector 23, be connected the tensimeter 16 between thermal-collecting tube 11 and the heat interchanger 17.Oil pump 3, metal hose 6, thermal-collecting tube 11, metal hose 14, tensimeter 16, heat interchanger 17, expansion vessel 21 connect and compose closed circuit with pipeline successively.Water pipe 22 and vapor can 18 are arranged at the two ends of heat interchanger 17 respectively, also be connected with gate valve 19 and solenoid valve 20 between water pipe 22 and the heat interchanger 17, gate valve 19 and solenoid valve 20 can be used, solenoid valve 20 can be controlled the flow of water, gate valve 19 can temporarily replace solenoid valve 20 to use when it fortuitous event occurred, connected the pipeline that uses and adopted 304 stainless-steel tubes.
Again referring to shown in Figure 2, this embodiment comprises each parts embodiment illustrated in fig. 1 equally, difference is that thermal-collecting tube two ends dress also is respectively equipped with a thermopair (10,12) and a gate valve (9,13), and gate valve (9,13) is positioned at thermopair (10, the 12) outside; Also be equiped with the ball valve 4 of control conduction oil flow between oil pump 3 and the metal hose 6, and the flowmeter 5 that calculates the conduction oil flow, and be installed in the safety valve 15 between thermal-collecting tube and the heat interchanger.
Its concrete method of operating is as follows:
1) start oil pump 3 earlier, make falling heat-transfer oil in thermal-collecting tube and the circulating line thereof, valve-off 2 is opened miscellaneous equipment and instrument.By the circulation that does not stop, treat that conduction oil reaches very high-temperature after, by heat interchanger 17 heat is returned feedwater, produce steam, store then.Ball valve 4 can be controlled the flow of conduction oil, thereby can obtain variation of temperature under the different flow.According to this, can draw the photo-thermal efficient of whole circulation system, for the optimal design of the circulation system provides reference.
The photo-thermal efficiency calculation formula of the circulation system is as follows:
Wherein, the enthalpy of saturated vapour under a certain temperature and pressure, kJ/kg can obtain pressure, thermopair acquisition temperature by tensimeter, thereby obtain the H value; m
SteamBe the quantity of steam that produces, kg can be calculated by heat interchanger; Q
t=Q
T2-Q
T1, Q
T2, Q
T1Be the t2 moment and t1 accumulative total radiant quantity constantly, MJ/m
2, can directly draw by the direct solar radiation meter.
2), treat that conduction oil is full of thermal-collecting tube 11 after, closing gate valve 9 and 13 makes the conduction oil of thermal-collecting tube the inside static, and the temperature of conduction oil can constantly raise so, by the relation that the temperature and time of observing two thermopairs 10 and 12 changes, note t2 constantly and the t1 moment temperature value T2 and T1.In view of the above, can draw the thermal efficiency of heat collector.By observing the temperature of each time period, also can draw the amplitude of variation of each time period heat collector thermal efficiency.The continuous rising of temperature can also test out the heatproof intensity of variation of thermal-collecting tube, for the optimal design of heat collector provides reference.
The Efficiency Calculation formula of heat collector is as follows:
Q
t=Q
T2-Q
T1, Q
T2, Q
T1For the t2 moment and t1 accumulative total radiant quantity constantly, can calculate by the direct solar radiation meter.
m
Conduction oil---the quality of conduction oil in the thermal-collecting tube, kg
The temperature variant function of specific heat of C (T)---conduction oil
T1, T2---thermal-collecting tube t1 and t2 constantly record respectively temperature, ℃
A---heat collector daylighting area, m
2
When carrying out DATA REASONING, each need be incubated, so that measurement data is more accurate.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (5)
1. the proving installation of a performances of trough type solar thermal collector, it is characterized in that: comprise fuel tank, be arranged on reservoir port valve, oil pump, heat collector, heat exchanger, vapor can, expansion vessel, water pipe, with the fixing in the same way direct solar radiation meter of heat collector, have thermal-collecting tube on the focus point of heat collector; Conduction oil is housed in the fuel tank, and described thermal-collecting tube, heat interchanger, expansion vessel connect and compose closed circuit with pipeline successively; The valve left side connects thermal-collecting tube, and the right connects expansion vessel; Water pipe and vapor can are connected to the import and the outlet of heat interchanger.
2. the device for quick testing of trough type solar heat-collector solar collecting performance according to claim 1 is characterized in that: described thermal-collecting tube two ends dress is respectively equipped with a thermopair and a gate valve, and gate valve is positioned at the thermopair outside.
3. the proving installation of performances of trough type solar thermal collector according to claim 2, it is characterized in that: heat collector comprises metal support, sun-following device, slot type catoptron and thermal-collecting tube, described two gate valves are in reverse to the thermal-collecting tube direction and are equiped with one section metal hose respectively, and the metal hose other end is connected with oil pump by pipeline.
4. the proving installation of performances of trough type solar thermal collector according to claim 3 is characterized in that: also be equiped with the ball valve of control conduction oil flow between oil pump and the metal hose, and the flowmeter that calculates the conduction oil flow.
5. the proving installation of performances of trough type solar thermal collector according to claim 4 is characterized in that: be provided with safety valve and tensimeter between described thermal-collecting tube and the heat interchanger successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920194373 CN201488868U (en) | 2009-09-09 | 2009-09-09 | Performance testing device for trough-type solar collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920194373 CN201488868U (en) | 2009-09-09 | 2009-09-09 | Performance testing device for trough-type solar collector |
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| Publication Number | Publication Date |
|---|---|
| CN201488868U true CN201488868U (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920194373 Expired - Lifetime CN201488868U (en) | 2009-09-09 | 2009-09-09 | Performance testing device for trough-type solar collector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666704B (en) * | 2009-09-09 | 2011-05-04 | 东莞市康达机电工程有限公司 | Quick test device and method for performances of trough type solar thermal collector |
| CN103335823A (en) * | 2013-06-25 | 2013-10-02 | 天威（成都）太阳能热发电开发有限公司 | Trough-type solar thermal power generation collector thermal efficiency detecting system and implementation method thereof |
| CN105136506A (en) * | 2015-08-17 | 2015-12-09 | 中国科学院工程热物理研究所 | Analogue device and method of solar direct steam generation system |
| CN106487325A (en) * | 2016-11-25 | 2017-03-08 | 江苏科技大学 | A kind of electric coproduction multistage application device of groove type solar condensing thermal |
| CN107703182A (en) * | 2017-08-25 | 2018-02-16 | 中国科学院电工研究所 | The optical efficiency measurement apparatus and its method of testing of groove type solar thermal-collecting tube |
| CN111609572A (en) * | 2020-05-22 | 2020-09-01 | 中广核风电有限公司 | Performance test method for groove type solar heat collection system |
-
2009
- 2009-09-09 CN CN 200920194373 patent/CN201488868U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666704B (en) * | 2009-09-09 | 2011-05-04 | 东莞市康达机电工程有限公司 | Quick test device and method for performances of trough type solar thermal collector |
| CN103335823A (en) * | 2013-06-25 | 2013-10-02 | 天威（成都）太阳能热发电开发有限公司 | Trough-type solar thermal power generation collector thermal efficiency detecting system and implementation method thereof |
| CN103335823B (en) * | 2013-06-25 | 2016-01-27 | 天威（成都）太阳能热发电开发有限公司 | The implementation method of trough type solar power generation heat collector thermal efficiency detection system |
| CN105136506A (en) * | 2015-08-17 | 2015-12-09 | 中国科学院工程热物理研究所 | Analogue device and method of solar direct steam generation system |
| CN106487325A (en) * | 2016-11-25 | 2017-03-08 | 江苏科技大学 | A kind of electric coproduction multistage application device of groove type solar condensing thermal |
| CN107703182A (en) * | 2017-08-25 | 2018-02-16 | 中国科学院电工研究所 | The optical efficiency measurement apparatus and its method of testing of groove type solar thermal-collecting tube |
| CN111609572A (en) * | 2020-05-22 | 2020-09-01 | 中广核风电有限公司 | Performance test method for groove type solar heat collection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090909 |