CN203178062U - Mobile tester for heat-collecting efficiency of trough-type solar collector - Google Patents
Mobile tester for heat-collecting efficiency of trough-type solar collector Download PDFInfo
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- CN203178062U CN203178062U CN 201320213951 CN201320213951U CN203178062U CN 203178062 U CN203178062 U CN 203178062U CN 201320213951 CN201320213951 CN 201320213951 CN 201320213951 U CN201320213951 U CN 201320213951U CN 203178062 U CN203178062 U CN 203178062U
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Abstract
The utility model discloses a mobile tester for the heat-collecting efficiency of a trough-type solar collector. The tester comprises a heat conduction oil pump for driving heat conduction oil to flow, an expansion tank for accommodating the expansion increment of the heated heat conduction oil, an oil cooler for cooling the heat conduction oil, and a DCS control cabinet for controlling the process of the test, wherein the heat conduction oil pump, the expansion tank and the oil cooler are sequentially connected, a solar collector to be tested is connected between the heat conduction oil pump and the oil cooler, and a flow meter, a pressure gauge and thermometer for measuring the change of the states of the heat conduction oil are arranged on connecting pipelines of above equipment. The tester provided by the utility model is suitable to be used for detecting the heat-collecting efficiency of the collector of a trough-type solar collection thermal power station, and can performs the test with a single-row or single-plate light field as a test unit, so that the miniaturization of the equipment and the test system of the collector can be realized, thereby providing convenience. According to the utility model, the design and improvement of the collector, and the increase of the heat-collecting efficiency are promoted, and the tester can provide a basis for the analysis and improvement of the high-efficiency safe operation of the trough-type solar collection thermal power station.
Description
Technical field
The utility model relates to field of solar energy, is specifically related to a kind of proving installation of miniature movable type groove type solar condenser collecting efficiency.
Background technology
Along with the continuous quickening of China's process of industrialization, energy resource consumption and electricity needs also present the trend of quick growth.China is not only consuming non-renewable resources such as coal sharp based on the electric structure of coal, has a strong impact on but also environment caused, to such an extent as to China is faced with the severe challenge of energy resources and environment two aspects.Greatly develop renewable green, clean energy resourcies such as sun power, wind energy and biomass energy and can safeguard environment effectively than the consumption of low-resource and the energy.
At present, the high-temperature solar generating has had large-scale commercial applications application experience for many years, and is wherein ripe with groove type solar optically focused heat generating system.The hot generation technology of groove type solar optically focused, mainly be utilize groove type paraboloid mirror (condenser) with solar light focusing on a line, absorb solar radiant energy after focusing on by the tubulose heat absorption device (thermal-collecting tube) installed at this focal line.Fill in the thermal-arrest organ pipe for the fluid working substance (conduction oil) that absorbs solar radiant energy, by pipeline heated working medium is delivered to steam generator (solar boiler) then, produce superheated vapor and send into the steam turbine generator system generating, thereby finish the conversion of solar energy to electrical.
For understanding and the reflection efficiency of control condenser and the Heat-collecting effect of absorber, need to understand the various parameters of condenser under the current environment, so that control and adjust.All be the mode that adopts whole zone to test simultaneously when condenser is tested in the prior art, gained be the test result of all condensers in the recreation ground, wherein still incomparably come the collecting efficiency of test section condenser than reliable simple and direct testing apparatus, according to routine to whole light field condenser detection mode, the required heat conduction oil mass of detection system is very big like this, whole test system equipment is comparatively huge, to the also raising greatly of technical requirement of testing apparatus.
The utility model content
For only solving in the prior art when the groove type solar condenser is tested the problem that to test at whole light field, the utility model provides a kind of small-sized movably groove type solar condenser proving installation, can realize the test of part or local condenser, concrete scheme is as follows: a kind of groove type solar condenser collecting efficiency mobile test device, it is characterized in that, comprise for driving the Heat-transfer Oil Pump that conduction oil flows, be used for holding the expansion drum of swell increment after the heat-conducting oil heating, be used for the oil cooler of cooling conduction oil and the DCS switch board of control test process, Heat-transfer Oil Pump wherein, expansion drum is connected successively with oil cooler, condenser to be measured is connected between Heat-transfer Oil Pump and the oil cooler, and the connecting line of the said equipment is provided with the flowmeter of measuring the conduction oil variable condition, pressure gauge and thermometer.
For avoiding conduction oil to contact with air: described expansion drum is connected with nitrogen envelope system, and described nitrogen envelope system comprises nitrogen cylinder and the superpressure discharging protection system that certain pressure is provided.Nitrogen cylinder is connected with expansion drum by the pipeline that is provided with pressure detection and control function.
For making things convenient for proving installation to replenish conduction oil: be connected with the blowdown vessel that replenishes conduction oil on the described connecting line.
For more selection is provided: the connecting line between described oil cooler and the condenser to be measured is provided with directly and the tank connected oil cooler bypass of expanding.
Be convenient control: described Heat-transfer Oil Pump and oil cooler are variable frequency control, and described flow is counted the non-contact type ultrasonic flowmeter.
For obtaining measurement parameter more specifically: described DCS switch board is connected with the online solar radiation monitoring system of practical monitoring solar radiation value.
Proving installation of the present utility model is applicable to that groove type solar optically focused thermal power station condenser collecting efficiency detects, and can make detection system and the device miniaturization of condenser with single file or monolithic light field as test cell, and is more convenient.The utility model plays important facilitation for design and improvement, the raising collecting efficiency of condenser, can provide analysis for the highly effective and safe operation of groove type solar optically focused thermal power station, improve foundation.The utility model is integrated in a movably platform, can detect mounted groove type solar optically focused thermal power station condenser on the spot by efficient quick, based on groove type solar optically focused thermal power station light field characteristics design, can detect 150 meters condenser unit collecting efficiency under different temperature ins and outlet temperature, this device arranges online solar radiation monitoring system, monitor solar radiation value in real time, adjust test parameter, utilize the DCS control system to regulate automatically and record test data, data post-processed of the present utility model is easy, import and export heat transfer medium (conduction oil) flow and temperature according to the condenser that monitors, the solar radiation value is calculated the collecting efficiency of condenser under the different temperatures, thereby obtains the efficiency curve with temperature correlation.
Description of drawings
Fig. 1 structural representation of the present utility model;
Label declaration in the accompanying drawing: 1-condenser to be measured, 2-Heat-transfer Oil Pump, 3-oil cooler, the bypass of 301-oil cooler, 4-expansion drum, 401-nitrogen seal device, 5-DCS switch board, 6-blowdown vessel.
Embodiment
As shown in Figure 1, groove type solar condenser collecting efficiency mobile test device of the present utility model, comprise for driving Heat-transfer Oil Pump 2 that conduction oil flows, being used for holding the expansion drum 4 of swell increment after the heat-conducting oil heating, be used for the oil cooler 3 of cooling conduction oil and the DCS switch board 5 of control test process, described Heat-transfer Oil Pump 2, expansion drum 4 and oil cooler 3 are connected successively, condenser 1 to be measured is connected between Heat-transfer Oil Pump 2 and the oil cooler 3, and the connecting line of the said equipment is provided with flowmeter, pressure gauge and the thermometer of measuring the conduction oil variable condition.
This programme is when measuring, Heat-transfer Oil Pump 2, expansion drum 4, oil cooler 3 and condenser to be measured 1 are constituted a closed circuit, Heat-transfer Oil Pump 2 is delivered to conduction oil in the thermal-collecting tube of condenser 1 to be measured, conduction oil in thermal-collecting tube by condenser 1 heat temperature raising to be measured to uniform temperature, conduction oil is directly got back to expansion drum 4 through oil cooler 3, the conduction oil of getting back to expansion drum 4 heats in Heat-transfer Oil Pump 2 is delivered to the thermal-collecting tube of condenser 1 to be measured again, forms the loop test system of a sealing.Can understand conduction oil variable condition in the loop test process at any time by being arranged on proving installations such as thermometer, flowmeter and pressure gauge on the connecting line, above-mentioned parameter converges to the DCS switch board, understands test process at any time by operating personnel.Because the actual various device that uses is when the conduction oil temperature surpasses certain limit, thereby can accelerated deterioration reduce serviceable life, therefore need control heating heat-conducting oil temperature, the utility model is provided with oil cooler bypass 301 between condenser 1 to be measured and expansion drum 4, when the temperature of conduction oil meets predetermined value, the pipeline that oil cooler is led in DCS switch board 5 control is closed and is opened oil cooler bypass 301 simultaneously and close, and makes conduction oil directly enter expansion drum.When the conduction oil temperature of thermometer measure surpasses predetermined value, DCS switch board 5 is closed oil cooler bypass 301 and is opened the pipeline that enters oil cooler, making conduction oil enter oil cooler 3 lowers the temperature, the conduction oil of being down to behind the preset temperature returns expansion drum 4, and then is delivered to the condenser 1 to be measured heating that circulates through Heat-transfer Oil Pump 2.Test parameters such as the conduction oil temperature that can obtain condenser to be measured 1 entrance and exit place, pressure, flow by this device, DCS switch board 5 can obtain under different imports and outlet temperature after computing, the collecting efficiency of condenser.
For preventing conduction oil ingress of air rear oxidation, expansion drum 4 of the present utility model is connected with nitrogen envelope system 401, and described nitrogen seals nitrogen cylinder and the superpressure discharging protection system that system 401 comprises provides certain pressure.Nitrogen cylinder is connected with expansion drum 4 by the pipeline that is provided with pressure detection and control function.The nitrogen that nitrogen envelope system 401 charges into is positioned at the top of expansion drum 4, has completely cut off air and contact with the direct of conduction oil when sealing is provided, has avoided conduction oil because of the ingress of air oxidation.Nitrogen applies the emptying that certain pressure can be used as low-boiling-point substance and water vapour in addition, and keeps the liquid phase voltage regulation operation of conduction oil in the expansion drum.Nitrogen envelope system is made up of the nitrogen cylinder group, and nitrogen cylinder charges into the constant of maintenance expansion drum internal pressure behind the nitrogen in the expansion drum.Superpressure discharging protection system mainly is mounted in the safety valve on expansion drum 4 or the pipeline, and when expansion drum 4 internal pressures surpassed setting value, safety valve was opened relief pressure to alleviate the pressure that expansion drum 4 bears under the control of DCS switch board 5.Be the convenient unnecessary conduction oil in back that expands of deriving, the utility model is connected with the blowdown vessel 6 that replenishes conduction oil at connecting line.Conduction oil unnecessary in the expansion drum 4 flows to blowdown vessel 6 under the control of safety valve, guarantee the equalization of pressure of conduction oil in the whole connecting line, when lacking conduction oil in the connecting line, and also can be by importing the conduction oil that lacks in the blowdown vessel 6 again.Control the work efficiency of Heat-transfer Oil Pump 2 and the cooling extent of oil cooler 3 for convenience, Heat-transfer Oil Pump 2 of the present utility model and oil cooler 3 are variable frequency control, and described flow is counted the non-contact type ultrasonic flowmeter.Utilize the control condenser temperature in to be measured that variable frequency control electric refrigerating machine oil cooler can be convenient to be desirable value, by the easier realization conduction oil of the variable frequency control temperature adjustment by a small margin to oil cooler.After same Heat-transfer Oil Pump adopts variable frequency control, can reach the purpose of control conduction oil temperature according to the flow velocity of the quickening of condenser thermal-arrest situation or the conduction oil that slows down.Adopt the non-contact type ultrasonic flowmeter can realize measuring the dead head condition of conduction oil.The oil cooler refrigeration machine adopts variable frequency control, can regulate automatically according to thermal load.Heat-transfer Oil Pump is transported to condenser to be measured with conduction oil by expansion drum, starting point as the built-in thermal medium working pressure of writing a biography of test macro, necessary pressure is provided and controls flow to systemic circulation, Heat-transfer Oil Pump mainly comprises a horizontal centrifugal pump and bypass duct thereof, can provide required different pressures and flow for test, in when test, regulate the flow of Heat-transfer Oil Pump bypass according to the outlet oil temperature of condenser to be measured, the outlet oil temperature of controlling condenser 1 to be measured reaches uniform temperature.
Be connected with the online solar radiation monitoring system of real-time monitoring solar radiation value for convenient described DCS switch board 5.Solar radiation is important content in the meteorological observation index, the solar radiation standard observation is divided into built-up radiation, scattered radiation, directly radiation, reflected radiation, net total radiation, solar spectrum radiation observation is divided into: ultraviolet light, visible light, near infrared light, far red light, utilization has great reference value to sun power at the record analysis of this content.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, anyly be familiar with the technician of this patent in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned prompting is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of the utility model scheme.
Claims (6)
1. groove type solar condenser collecting efficiency mobile test device, it is characterized in that, comprise for driving the Heat-transfer Oil Pump (2) that conduction oil flows, be used for holding the expansion drum (4) of swell increment after the heat-conducting oil heating, be used for the oil cooler (3) of cooling conduction oil and the DCS switch board (5) of control test process, described Heat-transfer Oil Pump (2), expansion drum (4) is connected successively with oil cooler (3), condenser to be measured (1) is connected between Heat-transfer Oil Pump (2) and the oil cooler (3), and the connecting line of the said equipment is provided with the flowmeter of measuring the conduction oil variable condition, pressure gauge and thermometer.
2. a kind of groove type solar condenser collecting efficiency mobile test device as claimed in claim 1; it is characterized in that; described expansion drum (4) is connected with nitrogen envelope system (401); described nitrogen envelope system (401) comprises nitrogen cylinder and the superpressure discharging protection system that certain pressure is provided, and nitrogen cylinder is connected with expansion drum (4) by the pipeline that is provided with pressure detection and control function.
3. a kind of groove type solar condenser collecting efficiency mobile test device as claimed in claim 1 is characterized in that, is connected with the blowdown vessel (6) that replenishes conduction oil on the described connecting line.
4. a kind of groove type solar condenser collecting efficiency mobile test device as claimed in claim 1, it is characterized in that described oil cooler (3) is provided with the oil cooler bypass (301) that directly is connected with expansion drum (4) with connecting line between the condenser to be measured (1).
5. a kind of groove type solar condenser collecting efficiency mobile test device as claimed in claim 1 is characterized in that described Heat-transfer Oil Pump (2) and oil cooler (3) are variable frequency control, and described flow is counted the non-contact type ultrasonic flowmeter.
6. a kind of groove type solar condenser collecting efficiency mobile test device as claimed in claim 1 is characterized in that described DCS switch board (5) is connected with the online solar radiation monitoring system of real-time monitoring solar radiation value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320213951 CN203178062U (en) | 2013-04-24 | 2013-04-24 | Mobile tester for heat-collecting efficiency of trough-type solar collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320213951 CN203178062U (en) | 2013-04-24 | 2013-04-24 | Mobile tester for heat-collecting efficiency of trough-type solar collector |
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| CN203178062U true CN203178062U (en) | 2013-09-04 |
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| CN 201320213951 Expired - Fee Related CN203178062U (en) | 2013-04-24 | 2013-04-24 | Mobile tester for heat-collecting efficiency of trough-type solar collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106769136A (en) * | 2016-12-09 | 2017-05-31 | 中国科学院电工研究所 | Paraboloid trough type solar heat-collector thermal efficiency dynamic measurement device and measuring method |
| CN106769137A (en) * | 2016-12-09 | 2017-05-31 | 中国科学院电工研究所 | Paraboloid trough type solar heat-collector heat performance measuring apparatus and hot property Forecasting Methodology |
-
2013
- 2013-04-24 CN CN 201320213951 patent/CN203178062U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106769136A (en) * | 2016-12-09 | 2017-05-31 | 中国科学院电工研究所 | Paraboloid trough type solar heat-collector thermal efficiency dynamic measurement device and measuring method |
| CN106769137A (en) * | 2016-12-09 | 2017-05-31 | 中国科学院电工研究所 | Paraboloid trough type solar heat-collector heat performance measuring apparatus and hot property Forecasting Methodology |
| CN106769136B (en) * | 2016-12-09 | 2019-04-30 | 中国科学院电工研究所 | Paraboloid trough type solar heat-collector thermal efficiency dynamic measurement device and measurement method |
| CN106769137B (en) * | 2016-12-09 | 2019-09-20 | 中国科学院电工研究所 | Paraboloid trough type solar heat-collector heat performance measuring apparatus and hot property prediction technique |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20180424 |