CN103335422A - Stable heat-collection control method for light field of trough type light-focusing solar thermal power plant - Google Patents
Stable heat-collection control method for light field of trough type light-focusing solar thermal power plant Download PDFInfo
- Publication number
- CN103335422A CN103335422A CN2013102548247A CN201310254824A CN103335422A CN 103335422 A CN103335422 A CN 103335422A CN 2013102548247 A CN2013102548247 A CN 2013102548247A CN 201310254824 A CN201310254824 A CN 201310254824A CN 103335422 A CN103335422 A CN 103335422A
- Authority
- CN
- China
- Prior art keywords
- concentrator
- temperature
- temperature detection
- conduction oil
- thermal power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a stable heat-collection control method for a light field of a trough type light-focusing solar thermal power plant, and solves the problem of poor stable heat-collection control effect of an existing light field. The stable heat-collection control method for the light field of the trough type light-focusing solar thermal power plant is characterized by comprising the following steps: (1) a condenser main loop of the light field of the trough type light-focusing solar thermal power plant is evenly divided into at least two temperature detection areas, each temperature detection area corresponds to a condenser unit and a branch loop of the condenser unit, a reference temperature value of each temperature detection area is set, and the temperature detection area feeds back detected actual temperature of heat transfer oil to a condenser local controller; (2) the condenser local controllers compare the actual temperatures of the heat transfer oil, which are fed back by the temperature detection areas, with the reference temperature values of the temperature detection areas, and then at least one of the following operations is carried out: (A) the rotating speed of a heat transfer oil pump is adjusted; (B) the working attitude of the condenser is converted; and (C) the flows of the branch loops of the condensers are adjusted.
Description
Technical field
The invention belongs to the trough type solar power generation technical field, specifically, relate to a kind of slot light collection solar thermal power generation station light field stable set heat control method.
Background technology
Solar heat power generation system is to utilize solar concentrator, by assembling solar energy heating water, produces water vapour and is used for promoting turbine power generation.In the abundant area of solar energy resources, solar heat power generation system has the generating efficiency up to 24%, and it also can be used in combination with the combustion technology of routine, constitutes a kind of electricity generation system of providing multiple forms of energy to complement each other.
In slot light collection solar thermal power generation station, the inlet temperature T1 of conduction oil and outlet temperature T2, the energy that outputs to steam turbine (are the energy Q that light field is collected
t) must keep stable.Yet the main feature that the slot light collection solar thermal power generation stands in the thermal-arrest aspect is exactly the heat energy source instability.The heat energy source instability is caused by solar radiation variations that mainly as shown in Figure 1, the variation of solar radiation mainly is divided into following five stages again: one, directly radiation, strengthens to about 8 of the mornings rapidly from sunrise; Two, about 8 o'clock to the 11 o'clock morning, directly radiation amplification weakens gradually; Three, 11 to point in afternoons 15, and directly radiation remains on metastable peak value; Four, direct radiation in 15 o'clock to 19 o'clock afternoon slowly weakens; Five, after at 19 in afternoon directly radiation weaken rapidly.Except morning and radiation at dusk directly rapidly the changes phase, the other times section in a day is when directly radiation value changes, to the energy Q of steam turbine
tAll must keep a metastable value, when direct radiation variation, it is relative stable that the collected heat energy of light field must keep.
In the prior art, when direct solar radiation changed, light field was by regulating the flow m of conduction oil in the concentrator by Heat-transfer Oil Pump
tTo guarantee stablizing to steam turbine and heat reservoir output gross energy, only can be equipped with a conduction oil main pump that is positioned at the conduction oil main line and the power station is general, be responsible for circulating heat conduction oil, therefore, when regulating the conduction oil main pump, the conduction oil branch road flow at each place, concentrator loop has significant hysteresis, and this hysteresis very easily causes conduction oil temperature overtemperature in a period of time.Conduction oil signs of degradation can occur when surpassing operating temperature, can make the endothermic effect of conduction oil regulate, and reduces the power station performance greatly, accelerates the replacement cycle of conduction oil.
Therefore, how to control light field and stablize thermal-arrest, avoid the work of conduction oil overtemperature just to become those skilled in the art's emphasis research and development content.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, provide that a kind of control is simple, cost is low, realize slot light collection solar thermal power generation station light field stable set heat control method easily.
To achieve these goals, the technical solution used in the present invention is as follows:
Slot light collection solar thermal power generation station light field stable set heat control method may further comprise the steps:
(1) the concentrator major loop with slot light collection solar thermal power generation station light field evenly is divided at least two temperature detection zones, each a corresponding concentrator unit, temperature detection zone and Zhi Huilu thereof, and the reference temperature value in temperature detection zone is set, feedback detected actual conduction oil temperature in temperature detection zone is to the concentrator local controller;
(2) the concentrator local controller compares the actual conduction oil temperature of temperature detection zone feedback and the reference temperature value in this temperature detection zone, carries out following at least a operation:
A, adjusting Heat-transfer Oil Pump rotating speed;
The operating attitude of B, conversion concentrator;
The flow of C, adjusting concentrator Zhi Huilu.
Specifically, the temperature of temperature detection zone detection conduction oil realizes by the temperature sensor that is arranged in this temperature detection zone in the described step (1), and feeds back detected actual conduction oil temperature to the concentrator local controller by temperature sensor.
Further, the reference temperature value in each temperature detection zone comprises t1, t2, t3, t0 in the described step (1); And t1＜t2＜t3, t0＜t3.
Wherein, the specific implementation method of regulating the Heat-transfer Oil Pump rotating speed in the described step (2) is as follows: when the detected actual conduction oil temperature t of temperature detection zone feedback＞t1, then improve the Heat-transfer Oil Pump rotating speed.
The specific implementation method of the operating attitude of conversion concentrator is as follows in the described step (2): when the detected actual conduction oil temperature t of temperature detection zone feedback＞t2, the concentrator local controller is controlled the regional corresponding concentrator of this temperature detection unit and is converted to by normal tracking and defocuses tracking.
Further, when the detected actual conduction oil temperature t of temperature detection zone feedback＞t3, the concentrator local controller is controlled the regional corresponding concentrator cell translation of this temperature detection to original state.
Further again, when the concentrator cell translation after original state, the detected actual conduction oil temperature t＜t0 of the temperature detection corresponding with it zone feedback, the concentrator local controller is then controlled this concentrator cell translation to normally following the tracks of or defocus tracking.
The specific implementation method of the flow of adjusting concentrator Zhi Huilu is as follows in the described step (2): the porch at each corresponding concentrator unit Zhi Huilu of described temperature detection zone arranges the automatic flow control valve, directly regulates the conduction oil flow of the concentrator unit Zhi Huilu corresponding with it by the automatic flow control valve.
The implementation method that described automatic flow control valve is regulated the conduction oil flow of the concentrator unit Zhi Huilu corresponding with it comprises automatic mode and manual mode.
Being achieved as follows of described automatic mode: when the conduction oil temperature of concentrator unit Zhi Huilu outlet during greater than conduction oil work design temperature, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Otherwise, then close the valve of automatic flow control valve; Usually, the conduction oil temperature of concentrator unit Zhi Huilu outlet is 87 ℃ to 398 ℃, and conduction oil work design temperature is 310 ℃ to 393 ℃, differs 1 ℃ between the two and regulates at once.
Being achieved as follows of described manual mode: when work radiation value that direct solar radiation is set less than concentrator, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Perhaps, when operating ambient temperature that environment temperature is set less than concentrator, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Perhaps, when automatic flow control valve power supply when setting power values, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu.Usually, above-mentioned direct solar radiation is 0-1500W/M
2, the work radiation that concentrator is set is 350W/M2; Operating ambient temperature is 10 ℃; The setting power values is 24V.
Design principle of the present invention: conduction oil temperature controlling method is disperseed from existing single control conduction oil main pump, and the conduction oil Zhi Huilu by each concentrator unit of independent control reaches steady heat conduction oil temperature rapidly in time; Simultaneously, adopt the collaborative regulative mode of branch road porch control flow, Heat-transfer Oil Pump antedating response and concentrator conversion attitude, solved the problem of slot light collection solar thermal power generation station light field stable set thermal control cheaply.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) the present invention is divided into some (at least two) temperature detection zone with major loop, each corresponding concentrator unit, temperature detection zone, conduction oil temperature in the temperature detection zone is in time monitored, realization is controlled separately, is regulated the Zhi Huilu of concentrator unit, reaction speed is fast, when having avoided existing single control Heat-transfer Oil Pump rotating speed effectively, concentrator Zhi Huilu lags behind, and causes the problem of conduction oil temperature overtemperature in a period of time.
(2) the present invention adopts three kinds of regulative mode collaborative works, be the operating attitude of Heat-transfer Oil Pump rotational speed regulation, conversion concentrator and three kinds of regulative modes of flow of regulating concentrator Zhi Huilu, it only a spot of temperature sensor need be installed and the automatic flow control valve gets final product, not only with low cost, and control is simple, convenient, has solved the problem of slot light collection solar thermal power generation station light field stable set thermal control cheaply.
Description of drawings
Fig. 1 is slot light collection solar thermal power generation station one day solar energy output exemplary plot.
Fig. 2 is the fundamental diagram of automatic flow control valve among the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples, and embodiments of the present invention include but not limited to the following example.
Embodiment
The station installed capacity of slot light collection solar thermal power generation generally all surpasses more than the 50MW, and the light field scale reaches about 150 concentrator loops, and 2 square kilometres of huge thermal conductive oil pipelines of surpassing are arranged.At present, for economy, slot light collection solar thermal power generation station only is equipped with a conduction oil main pump that is positioned at the conduction oil main line, is responsible for circulating heat conduction oil.Therefore, when regulating the conduction oil main pump, the conduction oil branch road flow at each place, concentrator loop has significant hysteresis.
When direct radiation changes suddenly (as the broken sky, sunlight frequently passes in and out cloud layer), the conduction oil temperature of concentrator branch road also can sharply change, if detect the concentrator branch road port of export conduction oil temperature overtemperature this moment or be about to overtemperature, carry out corresponding control again, can be because aforesaid hysteresis effect causes conduction oil temperature overtemperature in a period of time.Conduction oil signs of degradation can occur when surpassing operating temperature, and then makes the endothermic effect of conduction oil change, and reduces the power station performance greatly, and accelerates the replacement cycle of conduction oil.
In order to address the above problem, present embodiment provides a kind of slot light collection solar thermal power generation station light field stable set heat control method, this method is disperseed conduction oil temperature controlling method from existing single control conduction oil main pump, the conduction oil Zhi Huilu by each concentrator unit of independent control reaches steady heat conduction oil temperature rapidly in time; Simultaneously, adopt the collaborative regulative mode of branch road porch control flow, Heat-transfer Oil Pump antedating response and concentrator conversion attitude.Specifically, this slot light collection solar thermal power generation station light field stable set heat control method may further comprise the steps:
(1) the concentrator major loop with slot light collection solar thermal power generation station light field evenly is divided at least two temperature detection zones, each a corresponding concentrator unit, temperature detection zone and Zhi Huilu thereof, and the reference temperature value in temperature detection zone is set, feedback detected actual conduction oil temperature in temperature detection zone is to the concentrator local controller;
(2) the concentrator local controller compares the actual conduction oil temperature of temperature detection zone feedback and the reference temperature value in this temperature detection zone, carries out following at least a operation: regulate the Heat-transfer Oil Pump rotating speed; The operating attitude of conversion concentrator; Regulate the flow of concentrator Zhi Huilu.
In one embodiment, 600 meters concentrator major loops at slot light collection solar thermal power generation station are divided into 4 sections 150 meters long concentrator unit arranged side by side in twos: a, b, c, d, corresponding temperature detection zone, each unit, mounting temperature sensor in it, the temperature that conduction oil is detected in the temperature detection zone feeds back to the concentrator local controller by the temperature sensor that is arranged in this temperature detection zone, this concentrator local controller mainly is responsible for the control concentrator and is followed the tracks of solar motion, and it is prior art; The corresponding concentrator unit Zhi Huilu in each concentrator unit: a ', b ', c ', d ', install the automatic flow control valve in the porch of a ', b ', c ', d ' respectively; Simultaneously, each temperature detection zone arranges t1, t2, four reference values of t3, t0, and above-mentioned four reference values are the power station debug phase, and light field is tried institute repeatedly out and drawn, and t1, t2 in each temperature detection zone, t3, t0 difference.Conduction oil in a concentrator Zhi Huilu is to heat up gradually from the inlet to the outlet, and therefore, above-mentioned reference value satisfies relation: t1＜t2＜t3, t0＜t3.
The present invention controls the square, and to stablize the implementation procedure of thermal-arrest as follows:
During the detected actual conduction oil temperature t of temperature detection zone feedback＞t1, then improve the Heat-transfer Oil Pump rotating speed, make this lead can offset the hysteresis effect of pipeline, this is the process of adjusting Heat-transfer Oil Pump rotating speed.
Further, if after a period of time, said temperature t continues to raise, during the detected actual conduction oil temperature t of temperature detection zone feedback＞t2, the concentrator local controller is controlled this temperature detection corresponding concentrator unit, zone (150 meters concentrator unit) and is converted to by normal tracking and defocuses tracking, the normal tracking is the normal duty of concentrator, and the speculum on the concentrator is over against solar radiation; Technical term defocuses tracking, namely follows the tracks of the sun under the incomplete focus state of concentrator.This is the conversion of concentrator operating attitude.
Further again, if said temperature t continue to raise, during the detected actual conduction oil temperature t of temperature detection zone feedback＞t3, the concentrator local controller is controlled the regional corresponding concentrator cell translation of this temperature detection to original state.Original state is the STOW state, and this moment, the sun can't shine directly into the speculum of concentrator.When the concentrator cell translation after original state, the detected actual conduction oil temperature t＜t0 of the temperature detection corresponding with it zone feedback, the concentrator local controller is then controlled this concentrator cell translation to normally following the tracks of or defocus tracking.
Meanwhile, the automatic flow control valve of each concentrator unit Zhi Huilu is adjusted the flow of Zhi Huilu according to actual condition, and its adjusting pattern is divided into: two kinds of automatic mode and manual modes.The operation principle of automatic flow control valve as shown in Figure 2.
Wherein, being achieved as follows of automatic mode: when the conduction oil temperature of concentrator unit Zhi Huilu outlet during greater than conduction oil work design temperature, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Otherwise, then close the valve of automatic flow control valve.In the automatic mode, the valve opening of automatic flow control valve is decided according to actual condition; Usually, the conduction oil temperature of concentrator unit Zhi Huilu outlet is 87 ℃ to 398 ℃, and conduction oil work design temperature is 310 ℃ to 393 ℃, differs 1 ℃ between the two and regulates at once.
Being achieved as follows of manual mode: when work radiation value that direct solar radiation is set less than concentrator, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Perhaps, when operating ambient temperature that environment temperature is set less than concentrator, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Perhaps, when automatic flow control valve power supply when setting power values, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu.In the manual mode, the valve opening of automatic flow control valve is 100%; Above-mentioned three kinds of operating modes satisfy any one, and automatic flow control valve manual mode is at once regulated.Usually, above-mentioned direct solar radiation is 0-1500W/M
2, the work radiation that concentrator is set is 350W/M2; Operating ambient temperature is 10 ℃; The setting power values is 24V.
When direct solar radiation frequently changes by a small margin, can not control the flow that the conduction oil main pump is regulated conduction oil, and adopt other the two kinds of regulative modes in three kinds of regulative modes provided by the present invention, and reach the effect that light field is stablized thermal-arrest.Technical scheme provided by the present invention is controlled separately the concentrator unit that marks off, not only governing response is quick, and only need increase temperature sensor and the automatic flow control valve that has lacked, thus make the invention process cost very low, greatly promoted the development of solar energy thermal-power-generating technology.
According to above-described embodiment, just can realize the present invention well.What deserves to be explained is; under the prerequisite based on said structure design, for solving same technical problem, even some that make in the present invention do not have substantial change or polishing; the essence of the technical scheme that adopts is still the same with the present invention, so it also should be in protection scope of the present invention.
Claims (10)
1. light field stable set heat control method in slot light collection solar thermal power generation station is characterized in that, may further comprise the steps:
(1) the concentrator major loop with slot light collection solar thermal power generation station light field evenly is divided at least two temperature detection zones, each a corresponding concentrator unit, temperature detection zone and Zhi Huilu thereof, and the reference temperature value in temperature detection zone is set, feedback detected actual conduction oil temperature in temperature detection zone is to the concentrator local controller;
(2) the concentrator local controller compares the actual conduction oil temperature of temperature detection zone feedback and the reference temperature value in this temperature detection zone, carries out following at least a operation:
A, adjusting Heat-transfer Oil Pump rotating speed;
The operating attitude of B, conversion concentrator;
The flow of C, adjusting concentrator Zhi Huilu.
2. slot light collection solar thermal power generation according to claim 1 station light field stable set heat control method, it is characterized in that, the temperature of temperature detection zone detection conduction oil realizes by the temperature sensor that is arranged in this temperature detection zone in the described step (1), and feeds back detected actual conduction oil temperature to the concentrator local controller by temperature sensor.
3. slot light collection solar thermal power generation according to claim 2 station light field stable set heat control method is characterized in that the reference temperature value in each temperature detection zone comprises t1, t2, t3, t0 in the described step (1); And t1＜t2＜t3, t0＜t3.
4. slot light collection solar thermal power generation according to claim 3 station light field stable set heat control method, it is characterized in that, the specific implementation method of regulating the Heat-transfer Oil Pump rotating speed in the described step (2) is as follows: when the detected actual conduction oil temperature t of temperature detection zone feedback＞t1, then improve the Heat-transfer Oil Pump rotating speed.
5. slot light collection solar thermal power generation according to claim 3 station light field stable set heat control method, it is characterized in that, the specific implementation method of the operating attitude of conversion concentrator is as follows in the described step (2): when the detected actual conduction oil temperature t of temperature detection zone feedback＞t2, the concentrator local controller is controlled the regional corresponding concentrator of this temperature detection unit and is converted to by normal tracking and defocuses tracking.
6. slot light collection solar thermal power generation according to claim 4 station light field stable set heat control method, it is characterized in that, when the detected actual conduction oil temperature t of temperature detection zone feedback＞t3, the concentrator local controller is controlled the regional corresponding concentrator cell translation of this temperature detection to original state.
7. slot light collection solar thermal power generation according to claim 6 station light field stable set heat control method, it is characterized in that, when the concentrator cell translation after original state, the temperature detection zone feedback detected actual conduction oil temperature t＜t0 corresponding with it, the concentrator local controller is then controlled this concentrator cell translation to normally following the tracks of or defocus tracking.
8. slot light collection solar thermal power generation according to claim 3 station light field stable set heat control method, it is characterized in that, the specific implementation method of the flow of adjusting concentrator Zhi Huilu is as follows in the described step (2): the porch at each corresponding concentrator unit Zhi Huilu of described temperature detection zone arranges the automatic flow control valve, directly regulates the conduction oil flow of the concentrator unit Zhi Huilu corresponding with it by the automatic flow control valve.
9. slot light collection solar thermal power generation according to claim 8 station light field stable set heat control method, it is characterized in that the implementation method that described automatic flow control valve is regulated the conduction oil flow of the concentrator unit Zhi Huilu corresponding with it comprises automatic mode and manual mode.
10. slot light collection solar thermal power generation according to claim 9 station light field stable set heat control method, it is characterized in that, being achieved as follows of described automatic mode: when the conduction oil temperature of concentrator unit Zhi Huilu outlet during greater than conduction oil work design temperature, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Otherwise, then close the valve of automatic flow control valve;
Being achieved as follows of described manual mode: when work radiation value that direct solar radiation is set less than concentrator, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Perhaps, when operating ambient temperature that environment temperature is set less than concentrator, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu; Perhaps, when automatic flow control valve power supply when setting power values, open the valve of automatic flow control valve, increase the conduction oil flow of this concentrator unit Zhi Huilu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254824.7A CN103335422B (en) | 2013-06-25 | 2013-06-25 | Stable heat-collection control method for light field of trough type light-focusing solar thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254824.7A CN103335422B (en) | 2013-06-25 | 2013-06-25 | Stable heat-collection control method for light field of trough type light-focusing solar thermal power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103335422A true CN103335422A (en) | 2013-10-02 |
| CN103335422B CN103335422B (en) | 2015-05-06 |
Family
ID=49243630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310254824.7A Active CN103335422B (en) | 2013-06-25 | 2013-06-25 | Stable heat-collection control method for light field of trough type light-focusing solar thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103335422B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241092A (en) * | 2015-10-30 | 2016-01-13 | 东方电气集团东方锅炉股份有限公司 | Concentrator field control system of photothermal power station and implementation method of concentrator field control system |
| CN105371509A (en) * | 2015-11-23 | 2016-03-02 | 中国东方电气集团有限公司 | Heat tank control device, combined with weather prediction data, of groove type solar thermal electric power generation system |
| CN105444437A (en) * | 2015-11-23 | 2016-03-30 | 中国东方电气集团有限公司 | Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station |
| CN108518879A (en) * | 2018-04-09 | 2018-09-11 | 山西炅奇新能源科技有限公司 | A kind of focusing solar tracking control system, method and hot water preparation system |
| CN109520159A (en) * | 2018-10-16 | 2019-03-26 | 北京拉夫堡太阳能技术有限公司 | A kind of temprature control method and system of solar energy heat collection pipe |
| CN110108049A (en) * | 2019-06-06 | 2019-08-09 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of solar concentrator light spot energy and thermal flow density measuring device and method |
| CN111207525A (en) * | 2020-02-10 | 2020-05-29 | 南京南瑞继保电气有限公司 | Intermittent driving method and device for heat collecting groove of groove type photo-thermal solar system |
| CN114111060A (en) * | 2021-11-25 | 2022-03-01 | 斯玛特储能技术有限公司 | Oil injection adjusting system and oil temperature adjusting method for trough type heat collecting field |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6442937B1 (en) * | 2001-08-21 | 2002-09-03 | The Boeing Company | Solar receiver adaptive tracking control |
| CN102242699A (en) * | 2010-05-12 | 2011-11-16 | 中国科学院工程热物理研究所 | Double-stage heat storage trough type solar thermal power generation system |
| CN102425865A (en) * | 2011-11-07 | 2012-04-25 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
| CN102692088A (en) * | 2011-03-24 | 2012-09-26 | 益科博能源科技（上海）有限公司 | Flow control method for solar heat collector system |
| CN103075822A (en) * | 2012-12-26 | 2013-05-01 | 首航节能光热技术股份有限公司 | System and method for controlling trough type concentrators in trough type concentrating solar power station |
-
2013
- 2013-06-25 CN CN201310254824.7A patent/CN103335422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6442937B1 (en) * | 2001-08-21 | 2002-09-03 | The Boeing Company | Solar receiver adaptive tracking control |
| CN102242699A (en) * | 2010-05-12 | 2011-11-16 | 中国科学院工程热物理研究所 | Double-stage heat storage trough type solar thermal power generation system |
| CN102692088A (en) * | 2011-03-24 | 2012-09-26 | 益科博能源科技（上海）有限公司 | Flow control method for solar heat collector system |
| CN102425865A (en) * | 2011-11-07 | 2012-04-25 | 深圳市联讯创新工场科技开发有限公司 | Solar heat collecting device |
| CN103075822A (en) * | 2012-12-26 | 2013-05-01 | 首航节能光热技术股份有限公司 | System and method for controlling trough type concentrators in trough type concentrating solar power station |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241092A (en) * | 2015-10-30 | 2016-01-13 | 东方电气集团东方锅炉股份有限公司 | Concentrator field control system of photothermal power station and implementation method of concentrator field control system |
| CN105371509A (en) * | 2015-11-23 | 2016-03-02 | 中国东方电气集团有限公司 | Heat tank control device, combined with weather prediction data, of groove type solar thermal electric power generation system |
| CN105444437A (en) * | 2015-11-23 | 2016-03-30 | 中国东方电气集团有限公司 | Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station |
| CN105371509B (en) * | 2015-11-23 | 2017-05-31 | 中国东方电气集团有限公司 | The hot tank control device of slot type solar-thermal generating system combination weather forecasting data |
| CN105444437B (en) * | 2015-11-23 | 2017-05-31 | 中国东方电气集团有限公司 | The light field flow rate of molten salt of slot type light thermo-power station with defocus regulation cooperative control device |
| CN108518879A (en) * | 2018-04-09 | 2018-09-11 | 山西炅奇新能源科技有限公司 | A kind of focusing solar tracking control system, method and hot water preparation system |
| CN109520159A (en) * | 2018-10-16 | 2019-03-26 | 北京拉夫堡太阳能技术有限公司 | A kind of temprature control method and system of solar energy heat collection pipe |
| CN110108049A (en) * | 2019-06-06 | 2019-08-09 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of solar concentrator light spot energy and thermal flow density measuring device and method |
| CN110108049B (en) * | 2019-06-06 | 2023-11-21 | 中国能源建设集团陕西省电力设计院有限公司 | Device and method for measuring spot energy and heat flux density of solar concentrator |
| CN111207525A (en) * | 2020-02-10 | 2020-05-29 | 南京南瑞继保电气有限公司 | Intermittent driving method and device for heat collecting groove of groove type photo-thermal solar system |
| CN111207525B (en) * | 2020-02-10 | 2021-05-28 | 南京南瑞继保电气有限公司 | Intermittent driving method and device for heat collecting groove of groove type photo-thermal solar system |
| CN114111060A (en) * | 2021-11-25 | 2022-03-01 | 斯玛特储能技术有限公司 | Oil injection adjusting system and oil temperature adjusting method for trough type heat collecting field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103335422B (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103335422B (en) | Stable heat-collection control method for light field of trough type light-focusing solar thermal power plant | |
| Youssef et al. | Assessment viability of a concentrating photovoltaic/thermal-energy cogeneration system (CPV/T) with storage for a textile industry application | |
| CN102425865B (en) | Solar heat collecting device | |
| CN101761366B (en) | Light-focusing solar extraction condensing type cogeneration system | |
| WO2021164497A1 (en) | Generated power optimization control method for solar-coal complementary system under variable working conditions | |
| CN112217232B (en) | Photovoltaic and photo-thermal coupling power generation system and power generation control method | |
| CN105160435A (en) | Tower-type solar thermal power plant heliostat field focusing strategy optimization method | |
| CN109026239A (en) | A kind of nuclear reactor combined solar solar-thermal generating system | |
| CN102563892B (en) | Solar energy day and night heat tracing system for crude oil | |
| CN104567024B (en) | Sensible heat heat accumulating type cavity optically focused heat absorption solar energy heat collector and method | |
| CN103836835B (en) | Solar heat pump co-generation unit | |
| CN101261001A (en) | Solar energy assisted coal fired thermal power plant integrated backheating device | |
| US20090316361A1 (en) | Method and apparatus for controlling the output of solar arrays | |
| CN201621023U (en) | Concentrating solar extraction-condensing cogeneration device | |
| Swaraj et al. | Combining PV MPPT algorithm based on temperature measurement with a PV cooling system | |
| CN105447325A (en) | Method for calculating cost and recovery period of solar concentrating photovoltaic and photothermal cogeneration system | |
| CN201983475U (en) | Linearly-focused solar heat-gathering device | |
| CN105371508A (en) | Solar water heater | |
| CN103363509A (en) | Photoelectric hybrid power solar energy steam generator | |
| Sardorbek et al. | Increasing the energy efficiency of an autonomous solar plant with a stationary concentrator | |
| CN204458231U (en) | A kind of tower type solar solar-thermal generating system | |
| Kerkeni et al. | Performance evaluation of a thermodynamic solar power plant: fifteen years of operation history | |
| CN204458233U (en) | Adopt the tower type solar solar-thermal generating system of multiple heat-transfer working medium | |
| CN111241711A (en) | Photoelectric conversion efficiency optimization control method for light-coal complementary system variable working condition | |
| CN202328829U (en) | Solar day-and-night heat-tracing system for crude oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210112 Address after: 195a, 17 houyongkang Hutong, Dongcheng District, Beijing Patentee after: TIANWEI NEW ENERGY SYSTEM ENGINEERING BEIJING Co.,Ltd. Address before: 610000 No.1 Tianwei Road, Industrial Development Zone, Southwest Airport Economic Development Zone, Shuangliu County, Chengdu City, Sichuan Province Patentee before: Tianwei (Chengdu) Solar Thermal Power Development Co.,Ltd. |