CN103511208A - Molten salt steam generating system capable of variable load operation within full-parameter range - Google Patents
Molten salt steam generating system capable of variable load operation within full-parameter range Download PDFInfo
- Publication number
- CN103511208A CN103511208A CN201310439279.9A CN201310439279A CN103511208A CN 103511208 A CN103511208 A CN 103511208A CN 201310439279 A CN201310439279 A CN 201310439279A CN 103511208 A CN103511208 A CN 103511208A
- Authority
- CN
- China
- Prior art keywords
- salt
- vaporizer
- hot
- fused salt
- superheater
- 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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides a molten salt steam generating system capable of variable load operation within a full-parameter range. The system comprises a deaerator, a water feeding pump, a pre-heater, an evaporator, a steam bag, a super heater, a hot salt tank, a hot salt pump and a cold salt tank, wherein water working mediums pass the deaerator, the water feeding pump, the pre-heater, the evaporator, the steam bag and the super heater in sequence, and molten salt working mediums pass the hot salt tank, the hot salt pump, the super heater, the evaporator, the pre-heater and the cold salt tank in sequence; after saturated water in the steam bag and water fed by the water feeding pump are mixed by the steam bag through a circulating pump, the mixed water enters the pre-heater; a bypass adjusting valve of the evaporator is arranged between an inlet and an outlet of the evaporator and used for adjusting the amount of the saturated water flowing through the evaporator; a hot salt distribution adjusting valve is connected between an inlet and an outlet of the super heater and used for adjusting the molten salt amount flowing through the super heater. The molten salt steam generating system achieves the purpose that qualified steam can be generated under different working conditions, and therefore a steam turbine can normally operate under different loads.
Description
Technical field
The invention belongs to solar energy thermal-power-generating technical field, for a kind of can be within the scope of population parameter the fused salt steam generating system of variable load operation.
Background technique
Solar energy thermal-power-generating technology has the history of three more than ten years so far from initial Solar One project, form is also varied, there are tower, slot type and dish formula, the generating of solar energy direct steam generation pushing turbine, or the heat exchange of first by other heat accumulation working medium, thermal energy storage is got up, and then utilize heat accumulation working medium and device of working medium produces Steam Actuation steam turbine power generation.According to the sodium nitrate of mass ratio 6:4 and potassium nitrate binary fused salt mixt, be current the most widely used heat accumulation working medium, between 290 ℃～565 ℃ of normal working temperatures.Utilize daytime sunlight heat the low-temperature molten salt of 290 ℃ to be heated to the high-temperature molten salt of 565 ℃, part is carried out heat exchange with device of working medium again and is produced the generating of superheated vapor pushing turbine, part fused salt stores with heat storage can in addition, when solar radiation on daytime (DNI) is bad or evening, fused salt in heat storage can and device of working medium are carried out to the generating of heat exchange generation superheated vapor pushing turbine, realize the stable output of generated output.
If using the generating of fused salt heat accumulation as a kind of supplementary form, as regulated for network load, or one as the solar light-heat power-generation system that adopts device of working medium direct steam generation to generate electricity is supplemented, require fused salt steam generating system to have stronger Load Regulation ability, when whole tower-type solar thermal power generating system need to be exported larger electric power, fused salt steam generating system can be exported larger load; When whole tower-type solar thermal power generating system requires electromotive power output less, fused salt steam generating system again can be compared with underrun, and this just needs fused salt steam generating system to have extremely strong Load Regulation ability.Therefore it is crucial, designing a set of fused salt steam generating system that can carry out Load Regulation within the scope of population parameter.
Tower-type solar thermal power generating system can be realized variable load operation and mainly rely on the adjusting to the exchange capability of heat of steam generator, needs steam generating system to produce the superheated vapor of different amounts, different parameters when steam turbine operation different load.The steam generating system of common fused salt heat accumulation generating is the boiler of having used for reference thermal power generation system to a great extent, mainly contain two kinds of structural types: a kind of is to utilize autoclave heat exchanger at evaporator section, fused salt is walked tube side, device of working medium is vaporized at shell side, and utilize autoclave heat exchanger head room to carry out the separated saturated vapour that produces of carbonated drink, then enter in superheater, carry out overheated, advantage is: at autoclave vaporizer top, have steam chest, system rejection to disturbance ability is relatively strong, in vaporizer, water is walked shell side simultaneously, can realize blowdown, prevent water scale effect heat transfer effect in heat exchanger, shortcoming is: autoclave evaporator water effluent speed slowly, cause varying duty ability.Another kind of structural type is similar to once-through boiler, adopts shell-and-tube heat exchanger, and omnidistance device of working medium is walked tube side, fused salt is walked shell side, from liquid water, enter heat exchanger and what heat exchange to become superheated vapor out through, the advantage of this structure is: varying duty is very competent, can be competent at the requirement of the system that load variations is large, shortcoming is: system is owing to there is no drum, poor anti jamming capability, control requires high, there is no blowdown design, easily fouling, high to water quality requirement.Therefore, design one and possess autoclave vaporizer and direct current cooker advantage separately simultaneously, can overcome again the steam generating system of shortcoming is separately that design can be carried out the key of the tower-type solar thermal power generating system of variable load operation within the scope of population parameter.
Summary of the invention
The invention provides a kind of can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, comprising:
Oxygen-eliminating device, feed water pump, preheater, vaporizer, drum, superheater, hot salt cellar, hot salt pump and cold salt cellar; Wherein, device of working medium is in order by oxygen-eliminating device, feed water pump, preheater, vaporizer, drum and superheater; Fused salt working medium is in order by hot salt cellar, hot salt pump, superheater, vaporizer, preheater and cold salt cellar;
Device of working medium and fused salt working medium successively in preheater, vaporizer and superheater progressively heat exchange produce superheated vapor, described superheated vapor enters direct-contact desuperheater to carry out flowing into steam turbine pushing turbine acting after spray desuperheating, and described steam turbine drives generator generating;
Wherein, described drum enters described preheater after the saturation water in described drum being mixed with the feedwater of feed water pump by a recycle pump; Between described evaporator inlet-outlet, be provided with a vaporizer bypass valve, for regulating the saturated water amount of the described vaporizer of flowing through; Described superheater is provided with a hot salinity and joins modulating valve connection between importing and exporting, for regulating the fused salt amount of the described superheater of flowing through.
Preferably, described preheater, vaporizer and superheater all adopt U-shaped tubular type shell-and-tube heat exchanger, and wherein, fused salt working medium is walked shell side, and device of working medium is walked tube side, and fused salt working medium and device of working medium form overall countercurrent flow.
Preferably, the superheated vapor after acting is connected with described oxygen-eliminating device successively after vapour condenser, condensing water pump.
Preferably, it increases the load of steam turbine by reducing the aperture of described vaporizer bypass valve and the aperture that described hot salinity is joined modulating valve;
By increasing the aperture of described vaporizer bypass valve and aperture that described hot salinity is joined modulating valve, realize the load that reduces steam turbine.
Preferably, when steam turbine need to move minimum load, described vaporizer bypass valve standard-sized sheet, the saturated water amount that enters vaporizer reduces, and fractional saturation water enters drum; Meanwhile, described hot salinity is joined modulating valve standard-sized sheet, and the fused salt amount that enters superheater reduces;
When steam turbine need to move maximum load, described vaporizer bypass valve complete shut-down, whole saturation waters enter vaporizer and carry out heat exchange; Meanwhile, described hot salinity is joined modulating valve complete shut-down, and all hot melt salt flows into superheater;
When steam turbine switches from minimum load to maximum load, the aperture of described vaporizer bypass valve reduces gradually, and the saturation water that enters drum reduces, and the saturation water that enters vaporizer increases; Meanwhile, the aperture that described hot salinity is joined modulating valve reduces gradually, and more hot salt flows into superheater, and the exchange capability of heat of fused salt steam generating system is strengthened;
When steam turbine switches from maximum load to minimum load, the aperture of described vaporizer bypass valve increases gradually, and the saturation water that enters drum increases, and the saturation water that enters vaporizer reduces; Meanwhile, the aperture that described hot salinity is joined modulating valve increases gradually, and less hot salt flows into superheater, and the exchange capability of heat of fused salt steam generating system is weakened.
Preferably, described minimum load is that 30% admission of steam turbine rated load requires to design, and described maximum load is that 100% admission of steam turbine rated load requires to design.
The present invention also provide a kind of can be within the scope of population parameter the fused salt steam generating system of variable load operation, it comprises: oxygen-eliminating device, feed water pump, preheater, vaporizer, drum, superheater, hot salt cellar, hot salt pump and cold salt cellar; Wherein, device of working medium is in order by oxygen-eliminating device, feed water pump, preheater, vaporizer, drum and superheater; Fused salt working medium is in order by hot salt cellar, hot salt pump, superheater, vaporizer, preheater and cold salt cellar;
Device of working medium and fused salt working medium successively in preheater, vaporizer and superheater progressively heat exchange produce superheated vapor, described superheated vapor enters direct-contact desuperheater to carry out flowing into steam turbine pushing turbine acting after spray desuperheating, and described steam turbine drives generator generating;
Wherein, described drum enters described preheater after the saturation water in described drum being mixed with the feedwater of feed water pump by a recycle pump; Between described evaporator inlet-outlet, be provided with a vaporizer bypass valve, for regulating the saturated water amount of the described vaporizer of flowing through; Described superheater is provided with a hot salinity and joins modulating valve connection between importing and exporting, for regulating the fused salt amount of the described superheater of flowing through;
It also comprises: water heat absorber, and its entrance is connected with described feed water pump, and outlet is connected with described drum, and described water heat absorber is supplied with described drum to device of working medium heating generation saturated steam wherein;
Fused salt heat absorber, its entrance is connected with described cold salt cellar, and its outlet is connected with described hot salt cellar, and described fused salt heat absorber is produced high-temperature molten salt and described high-temperature molten salt is passed into described hot salt cellar by the low-temperature molten salt heating to wherein;
Solar energy heating after wherein said water heat absorber and fused salt heat absorber focus on by solar energy mirror field.
Preferably, described preheater, vaporizer and superheater all adopt U-shaped tubular type shell-and-tube heat exchanger, and wherein, fused salt working medium is walked shell side, and device of working medium is walked tube side, and fused salt working medium and device of working medium form overall countercurrent flow.
Preferably, it increases the load of steam turbine by reducing the aperture of described vaporizer bypass valve and the aperture that described hot salinity is joined modulating valve;
By increasing the aperture of described vaporizer bypass valve and aperture that described hot salinity is joined modulating valve, realize the load that reduces steam turbine.
Preferably, when top, heliostat mirror field there is not cloud, the water after oxygen-eliminating device deoxygenation, after feed water pump boosts, enters in the water heat absorber of heat absorption top of tower, and the solar energy of the device of working medium in water heat absorber through absorbing after a Jing Chang focuses on produces saturated vapour; Cold salt pump is delivered to low-temperature molten salt in fused salt heat absorber, and the solar energy heating after No. two fields focus on becomes high-temperature molten salt, after get back in hot salt cellar and store.Wherein part hot melt salt is delivered to and in fused salt steam generating system, carries out heat exchange through hot salt pump; The saturated vapour that the saturated vapour that fused salt steam generating system produces and water heat absorber produce is in thermal accumulator and vapour, after by superheater, cross thermosetting superheated vapor, by entering the generating of steam turbine pushing turbine after direct-contact desuperheater spray desuperheating, enter into steam turbine acting, drive generator generating.The condensation in vapour condenser of the steam discharge of steam turbine; Condensed water out enters into oxygen-eliminating device from condensate pump, completes a photothermal power generation circulation.
When heliostat Jing Chang occurs that cloud layer blocks or without night during without solar irradiation, water heat absorber cannot provide saturated vapor, by strengthening the confluent of fused salt steam generating system, and strengthen the circulating load of recycle pump simultaneously, reduce the aperture of vaporizer bypass valve, reduce hot salinity and join the aperture of modulating valve, make vaporizer that whole saturated vapours are provided, and by superheater, undertaken overheated, by entering the generating of steam turbine pushing turbine after direct-contact desuperheater spray desuperheating, enter into steam turbine acting, drive generator generating.The condensation in vapour condenser of the steam discharge of steam turbine; Condensed water out enters into oxygen-eliminating device from condensate pump, completes a photothermal power generation circulation.
The invention has the beneficial effects as follows:
(1) preheater of the present invention, vaporizer and superheater all adopt three sections of shell-and-tube heat exchangers respectively as preheating, evaporation and superheater, tube side and shell side flow velocity are controlled, be similar to the direct current cooker in conventional thermoelectricity, variable load operation in can realizing in a big way, has met the unit requirement that needs carry out variable load operation on a large scale;
(2) the present invention is adopting on three sections of shell-and-tube heat exchanger bases, at evaporator outlet, drum is set, then allows the evaporator outlet be steam water interface by design, can carry out blowdown by the blowdown effect of drum, effectively prevent the formation of incrustation scale in heat exchanger, affected heat exchanger heat transfer effect;
(3) the present invention is preheated to 230 ℃ by extracting saturation water from drum to deaerator feedwater, prevents that fused salt from solidifying in vaporizer; Meanwhile, because the saturation water extracting from drum all enters into vaporizer at higher load condition, strengthen evaporator water effluent amount, increased evaporator water side convection transfer rate, improved the evaporativity of vaporizer;
(4) the present invention introduces respectively hot melt salt by adopting at superheater entrance and evaporator inlet, in the regulatory function of joining modulating valve by hot melt salinity, change the amount that enters into superheater fused salt, realization all can produce qualified steam in different operating modes, meets normally operation under steam turbine different load;
(5) in the present invention, whole system structure relative compact and simple, by the advantage of ingenious combination direct current cooker and autoclave vaporizer, designed a fused salt steam generating system that can carry out varying duty operation in a big way, system stability, reliable, be easy to control.
Certainly, implement arbitrary product of the present invention and might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Fig. 1 for the embodiment of the present invention 1 provide can be within the scope of population parameter the structural representation of the fused salt steam generating system of variable load operation;
Fig. 2 provide for the embodiment of the present invention 2 another can be within the scope of population parameter the fused salt steam generating system structural representation of variable load operation.
Specific embodiment
Embodiment one
The present embodiment provide a kind of can be within the scope of population parameter the fused salt steam generating system of variable load operation, as shown in Figure 1, it comprises:
Oxygen-eliminating device 1, feed water pump 2, preheater 4, vaporizer 5, drum 6, superheater 7, hot salt cellar 12, hot salt pump 14 and cold salt cellar 15; Wherein, device of working medium is in order by oxygen-eliminating device 1, feed water pump 2, preheater 4, vaporizer 5, drum 6 and superheater 7; Fused salt working medium is in order by hot salt cellar 13, hot salt pump 14, superheater 7, vaporizer 5, preheater 4 and cold salt cellar 15;
Device of working medium and fused salt working medium successively in preheater 4, vaporizer 5 and superheater 7 progressively heat exchange produce superheated vapor, superheated vapor enters direct-contact desuperheater 8 to carry out flowing into steam turbine 9 pushing turbine 9 actings after spray desuperheating, and steam turbine 9 drives generator 10 generatings;
Wherein, drum 6 enters preheater 4 after the saturation water in drum 6 being mixed with the feedwater of feed water pump 2 by a recycle pump 3; Vaporizer 5 is provided with a vaporizer bypass valve 101 between importing and exporting, for regulating the saturated water amount of the vaporizer 5 of flowing through; Superheater 7 is provided with a hot salinity between importing and exporting and joins modulating valve 102, for regulating the fused salt amount of the superheater 7 of flowing through.
Superheated vapor after the present embodiment acting is connected with oxygen-eliminating device 1 successively after vapour condenser 11, condensing water pump 12.
Hot salt in the present embodiment in hot salt cellar 13 flows into heat exchange pipelines and each heat exchanger heat exchange by hot salt pump 14; In the present embodiment, preheater 4, vaporizer 5 and superheater 7 adopt U-shaped tubular type shell-and-tube heat exchanger, and wherein, fused salt working medium is walked shell side, and device of working medium is walked tube side, and fused salt working medium and device of working medium form overall countercurrent flow.Certainly the present invention can also adopt other kind heat exchanger to replace U-shaped tubular type shell-and-tube heat exchanger, and the present embodiment is only a better embodiment of the present invention.
The present embodiment, by reducing the aperture of vaporizer bypass valve 101 and the aperture that hot salinity is joined modulating valve 102, increases the load of steam turbine 9; The aperture of joining modulating valve 102 by aperture and the hot salinity of increase vaporizer bypass valve 101 realizes the load that reduces steam turbine 9.When steam turbine 9 need to move minimum load, vaporizer bypass valve 101 standard-sized sheets, the saturated water amount that enters vaporizer 5 reduces, and fractional saturation water enters drum 6; Meanwhile, hot salinity is joined modulating valve 102 standard-sized sheets, and the fused salt amount that enters superheater 4 reduces;
When steam turbine need to move maximum load, vaporizer bypass valve 101 complete shut-downs, whole saturation waters enter vaporizer 5 and carry out heat exchange; Meanwhile, hot salinity is joined modulating valve 102 complete shut-downs, and hot melt salt flows into superheater 7;
When steam turbine 9 switches from minimum load to maximum load, the aperture of vaporizer bypass valve 101 reduces gradually, and the saturation water that enters drum 6 reduces, and the saturation water that enters vaporizer 5 increases; Meanwhile, the aperture that hot salinity is joined modulating valve 102 reduces gradually, and more hot salt flows into superheater 7, and the exchange capability of heat of fused salt steam generating system is strengthened;
When steam turbine 9 switches from maximum load to minimum load, the aperture of vaporizer bypass valve 101 increases gradually, and the saturation water that enters drum 6 increases, and the saturation water that enters vaporizer 5 reduces; Meanwhile, the aperture that hot salinity is joined modulating valve 102 increases gradually, and less hot salt flows into superheater 7, and the exchange capability of heat of fused salt steam generating system is weakened.Certain regulative mode of the present invention is not limited to the present embodiment, and steam turbine operation load provided by the invention can switch adjusting between two load values between maximum load and minimum load.
Described in the present embodiment, minimum load is that 30% admission of steam turbine rated load requires to design, and described maximum load is that 100% admission of steam turbine rated load requires to design.Certainly the setting value of minimum load of the present invention and maximum load is not limited to the present embodiment, and the present embodiment is only a better embodiment of the present invention.
Embodiment two
The present embodiment provide a kind of can be within the scope of population parameter the fused salt steam generating system of variable load operation, as shown in Figure 2, it comprises:
Oxygen-eliminating device 1, feed water pump 2, preheater 4, vaporizer 5, drum 6, superheater 7, hot salt cellar 12, hot salt pump 14 and cold salt cellar 15; Wherein, device of working medium is in order by oxygen-eliminating device 1, feed water pump 2, preheater 4, vaporizer 5, drum 6 and superheater 7; Fused salt working medium is in order by hot salt cellar 13, hot salt pump 14, superheater 7, vaporizer 5, preheater 4 and cold salt cellar 15;
Device of working medium and fused salt working medium successively in preheater 4, vaporizer 5 and superheater 7 progressively heat exchange produce superheated vapor, superheated vapor enters direct-contact desuperheater 8 to carry out flowing into steam turbine 9 pushing turbine 9 actings after spray desuperheating, and steam turbine 9 drives generator 10 generatings;
Wherein, drum 6 enters preheater 4 after the saturation water in drum 6 being mixed with the feedwater of feed water pump 2 by a recycle pump 3; Vaporizer 5 is provided with a vaporizer bypass valve 101 between importing and exporting, for regulating the saturated water amount of the vaporizer 5 of flowing through; Superheater 7 is provided with a hot salinity between importing and exporting and joins modulating valve 102, for regulating the fused salt amount of the superheater 7 of flowing through;
It also comprises: water heat absorber 17, and its entrance is connected with feed water pump 2, and outlet is connected with drum 6,17 pairs of water heat absorbers device of working medium heating generation saturated steam supply drum 6 wherein;
Fused salt heat absorber 18, its entrance is connected with cold salt cellar 15, and its outlet is connected with hot salt cellar 13, and fused salt heat absorber 18 is produced high-temperature molten salt and described high-temperature molten salt is passed into hot salt cellar 13 by the low-temperature molten salt heating to wherein;
Wherein water heat absorber 17 passes through the solar energy heating after solar energy mirror field focuses on fused salt heat absorber 18.
In the present embodiment, water heat absorber 17 heats by heliostat field 19A, and fused salt heat absorber 18 heats by heliostat field 19B.Drum 6 is also connected with preheater 4 by a recycle pump 3.
Hot salt in the present embodiment in hot salt cellar 13 flows into heat exchange pipelines and each heat exchanger heat exchange by hot salt pump 14; In the present embodiment, preheater 4, vaporizer 5 and superheater 7 adopt U-shaped tubular type shell-and-tube heat exchanger, and wherein, fused salt working medium is walked shell side, and device of working medium is walked tube side, and fused salt working medium and device of working medium form overall countercurrent flow.Certainly the present invention can also adopt other kind heat exchanger to replace U-shaped tubular type shell-and-tube heat exchanger, and the present embodiment is only a better embodiment of the present invention.
The present embodiment, by reducing the aperture of vaporizer bypass valve 101 and the aperture that hot salinity is joined modulating valve 102, increases the load of steam turbine 9; The aperture of joining modulating valve 102 by aperture and the hot salinity of increase vaporizer bypass valve 101 realizes the load that reduces steam turbine 9.Superheated vapor after the present embodiment acting is connected with oxygen-eliminating device 1 successively after vapour condenser 11, condensing water pump 12.
In the present embodiment, preheater 4 and vaporizer 5 require to design according to 30% admission of steam turbine rated load, and superheater 7 requires to design according to 100% admission of steam turbine rated load.Certain preheater provided by the invention 4, vaporizer 5 and superheater 7 can arrange according to other percentage value of steam turbine rated load, and the present invention does not limit, and the present embodiment is only a better embodiment of the present invention.
When steam turbine need to move rated load 30% time, described vaporizer bypass valve 101 standard-sized sheets, fractional saturation water enters drum 6, vaporizer 5 outlets are steam water interface, water content is 20%, steam containing amount just equals the confluent of feed water pump 2, also equal steam turbine 9 30% load under air inflow, maintain drum 6 liquid level equilibriums, because vaporizer 5 outlets are steam water interface, in water, contained mineral ion can be taken out of with moisture, effectively prevented that mineral substance is in the interior accumulation of vaporizer 5, form incrustation scale, affect the evaporation and heat-exchange of vaporizer 5, come the steam water interface of from evaporator drier 5 in drum 6, to carry out sufficient carbonated drink separation, after enter into again superheater 7 heat exchange and form superheated vapors.Simultaneously, hot salinity is joined modulating valve 102 standard-sized sheets, less hot salt flowage is through superheater 7, superheater water side and fused salt side all maintain less flow velocity, outlet superheated vapor maintains the higher degree of superheat, superheated vapor now needs to utilize direct-contact desuperheater to carry out spray desuperheating before entering steam turbine, too high to prevent intake temperature.
When steam turbine need to move rated load 100% time, vaporizer bypass valve 101 complete shut-downs, whole saturation waters enter vaporizer 5 and carry out heat exchange, vaporizer 5 outlets are steam water interface, water content is about 50%, steam containing amount just equals the confluent of feed water pump 2, also equals the air inflow of steam turbine 9 under at full capacity, maintains liquid level of steam drum balance; Meanwhile, hot salinity is joined modulating valve 102 complete shut-downs, and all hot salt flows into superheater 7, water effluent speed in vaporizer 5 is significantly increased, the flow velocity of fused salt side also can increase, thereby the whole convection transfer rate that has improved vaporizer 5 meets the ability of steaming under 100% load.Come the steam water interface of from evaporator drier 5 in drum 6, to carry out sufficient carbonated drink separated, after enter into again superheater 7 and carry out heat exchange and form superheated vapor, superheated vapor now does not need to utilize direct-contact desuperheater 8 to carry out spray desuperheating.
When steam turbine switches to 100% of rated load from 30% of rated load, the aperture of vaporizer bypass valve 101 reduces gradually, and the saturation water that enters drum 6 reduces, and the saturation water that enters vaporizer 5 increases; Simultaneously, the aperture that described hot salinity is joined modulating valve 102 reduces gradually, and more hot salt flows into superheater 7, by the acting in conjunction of two aspects, the exchange capability of heat of fused salt steam generating system is strengthened, meet the requirement of air inflow and the degree of superheat of ever-increasing steam turbine 9.
When steam turbine switches to 30% of rated load from 100% of rated load, the aperture of described vaporizer bypass valve 101 increases gradually, and the saturation water that enters drum 6 is increased, and the saturation water that enters vaporizer 5 reduces; Simultaneously, the aperture that described hot salinity is joined modulating valve 102 increases gradually, makes less hot salt flow into superheater 7, by the acting in conjunction of two aspects, the exchange capability of heat of fused salt steam generating system is weakened, meet the air inflow of steam turbine 9 and the requirement of the degree of superheat that constantly reduce.
Embodiment three
As shown in Figure 2, can within the scope of population parameter, carry out a tower-type solar thermal power generating system for variable load operation, this system comprises oxygen-eliminating device 1, feed water pump 2, fused salt steam generating system, steam turbine 9, generator 10, vapour condenser 11, condensing water pump 12, hot salt cellar 13, hot salt pump 14, cold salt cellar 15, cold salt pump 16, water heat absorber 17, fused salt heat absorber 18, mirror field 19A, No. two mirror field 19B and the pipeline being interconnected.Wherein, fused salt steam generating system also comprises that recycle pump 3, preheater 4, vaporizer 5, drum 6, superheater 7, direct-contact desuperheater 8, vaporizer bypass valve 101 and hot salinity join modulating valve 102.
When top, heliostat mirror field there is not cloud, water after oxygen-eliminating device 1 deoxygenation is after feed water pump 2 boosts, enter in the water heat absorber 17 of heat absorption top of tower, the solar energy of the device of working medium in water heat absorber 17 through absorbing after a mirror field 19A focuses on becomes saturated vapour, then enters into drum 6.Cold salt pump 16 is delivered to low-temperature molten salt in fused salt heat absorber 18, and the solar energy heating after No. two mirror field 19B focus on becomes high-temperature molten salt, after get back in hot salt cellar 13 and store.Wherein part hot melt salt is delivered to and in fused salt steam generating system, carries out heat exchange through hot salt pump 14.The saturated vapour that the saturated vapour that fused salt steam generating system produces and water heat absorber 17 produce merges in drum 6, after by superheater 7, cross thermosetting superheated vapors, the superheated vapor producing just can meet steam turbine and generate electricity with 100% load, by entering the generating of steam turbine pushing turbine after direct-contact desuperheater 8 spray desuperheatings, enter into steam turbine 9 actings, drive generator 10 generatings.The condensation in vapour condenser 11 of the steam discharge of steam turbine 9; Condensed water enters into oxygen-eliminating device 1 from condensate pump 12 out again, completes a photothermal power generation circulation.
When heliostat Jing Chang generation cloud layer blocks, its saturated vapor of being responsible for providing cannot be provided water heat absorber 17, at this moment, by strengthening the confluent of fused salt steam generating system, and strengthen the circulating load of recycle pump 3 simultaneously, and reduce the aperture of vaporizer bypass valve 101, reduce the aperture that hot salinity is joined modulating valve 102, make vaporizer 5 be responsible for all producing and meeting whole steam of steam turbine 100% load operation, and carry out the overheated degree of superheat that meets steam turbine operation requirement that reaches by superheater 7.Thereby; even if top, heliostat mirror field occurs that cloud layer blocks; water heat absorber 17 cannot provide in the situation of saturated vapour; also can by the variable load operation of fused salt steam generating system, produce the superheated vapor that meets steam turbine operation, effectively prevent from blocking because of cloud layer the halt turbines causing.
When do not have solar light irradiation night, storage high-temperature molten salt in hot salt cellar 13 is pumped into fused salt steam generating system and carried out heat exchange from the feedwater of oxygen-eliminating device 1 by hot salt pump 14, according to demand the regulation of the aperture of the circulating load of the confluent of feed water pump 2, recycle pump 3, steam generator bypass valve 101 and hot salt distributing valve 102 is arrived to predetermined value, generation meets the burden requirement of steam turbine predetermined running, thereby realizes the heat accumulation generating of fused salt.
The invention has the beneficial effects as follows:
Preheater of the present invention, vaporizer and superheater all adopt three sections of shell-and-tube heat exchangers respectively as preheating, evaporation and superheater, tube side and shell side flow velocity are controlled, be similar to the direct current cooker in conventional thermoelectricity, variable load operation in can realizing in a big way, has met the unit requirement that needs carry out variable load operation on a large scale;
The present invention is adopting on three sections of shell-and-tube heat exchanger bases, at evaporator outlet, drum is set, then allows the evaporator outlet be steam water interface by design, can carry out blowdown by the blowdown effect of drum, effectively prevent the formation of incrustation scale in heat exchanger, affected heat exchanger heat transfer effect;
The present invention is preheated to 230 ℃ by extracting saturation water from drum to deaerator feedwater, prevents that fused salt from solidifying in vaporizer; Meanwhile, because the saturation water extracting from drum all enters into vaporizer at higher load condition, strengthen evaporator water effluent amount, increased evaporator water side convection transfer rate, improved the evaporativity of vaporizer;
The present invention introduces respectively hot melt salt by adopting at superheater entrance and evaporator inlet, in the regulatory function of joining modulating valve by hot melt salinity, change the amount that enters into superheater fused salt, realization all can produce qualified steam in different operating modes, meets normally operation under steam turbine different load;
In the present invention, whole system structure relative compact and simple, by the advantage of ingenious combination direct current cooker and autoclave vaporizer, designed a fused salt steam generating system that can carry out varying duty operation in a big way, system stability, reliable, be easy to control.
The disclosed preferred embodiment of the present invention is just for helping to set forth the present invention above.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this invention is only described embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to explain better principle of the present invention and practical application, thereby under making, technical field technician can understand and utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (10)
1. can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, comprising:
Oxygen-eliminating device, feed water pump, preheater, vaporizer, drum, superheater, hot salt cellar, hot salt pump and cold salt cellar; Wherein, device of working medium is in order by oxygen-eliminating device, feed water pump, preheater, vaporizer, drum and superheater; Fused salt working medium is in order by hot salt cellar, hot salt pump, superheater, vaporizer, preheater and cold salt cellar;
Device of working medium and fused salt working medium successively in preheater, vaporizer and superheater progressively heat exchange produce superheated vapor, described superheated vapor enters direct-contact desuperheater to carry out flowing into steam turbine pushing turbine acting after spray desuperheating, and described steam turbine drives generator generating;
Wherein, described drum enters described preheater after the saturation water in described drum being mixed with the feedwater of feed water pump by a recycle pump; Between described evaporator inlet-outlet, be provided with a vaporizer bypass valve, for regulating the saturated water amount of the described vaporizer of flowing through; Described superheater is provided with a hot salinity and joins modulating valve connection between importing and exporting, for regulating the fused salt amount of the described superheater of flowing through.
As claimed in claim 1 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, described preheater, vaporizer and superheater all adopt U-shaped tubular type shell-and-tube heat exchanger, wherein, fused salt working medium is walked shell side, device of working medium is walked tube side, and fused salt working medium and device of working medium form overall countercurrent flow.
As claimed in claim 1 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, the superheated vapor after acting is connected with described oxygen-eliminating device successively after vapour condenser, condensing water pump.
As claimed in claim 1 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that,
It increases the load of steam turbine by reducing the aperture of described vaporizer bypass valve and the aperture that described hot salinity is joined modulating valve;
By increasing the aperture of described vaporizer bypass valve and aperture that described hot salinity is joined modulating valve, realize the load that reduces steam turbine.
As claimed in claim 4 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that,
When steam turbine need to move minimum load, described vaporizer bypass valve standard-sized sheet, the saturated water amount that enters vaporizer reduces, and fractional saturation water enters drum; Meanwhile, described hot salinity is joined modulating valve standard-sized sheet, and the fused salt amount that enters superheater reduces;
When steam turbine need to move maximum load, described vaporizer bypass valve complete shut-down, whole saturation waters enter vaporizer and carry out heat exchange; Meanwhile, described hot salinity is joined modulating valve complete shut-down, and all hot melt salt flows into superheater;
When steam turbine switches from minimum load to maximum load, the aperture of described vaporizer bypass valve reduces gradually, and the saturation water that enters drum reduces, and the saturation water that enters vaporizer increases; Meanwhile, the aperture that described hot salinity is joined modulating valve reduces gradually, and more hot salt flows into superheater, and the exchange capability of heat of fused salt steam generating system is strengthened;
When steam turbine switches from maximum load to minimum load, the aperture of described vaporizer bypass valve increases gradually, and the saturation water that enters drum increases, and the saturation water that enters vaporizer reduces; Meanwhile, the aperture that described hot salinity is joined modulating valve increases gradually, and less hot salt flows into superheater, and the exchange capability of heat of fused salt steam generating system is weakened.
As claimed in claim 5 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, described minimum load is that 30% admission of steam turbine rated load requires to design, and described maximum load is that 100% admission of steam turbine rated load requires to design.
7. can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, comprising: oxygen-eliminating device, feed water pump, preheater, vaporizer, drum, superheater, hot salt cellar, hot salt pump and cold salt cellar; Wherein, device of working medium is in order by oxygen-eliminating device, feed water pump, preheater, vaporizer, drum and superheater; Fused salt working medium is in order by hot salt cellar, hot salt pump, superheater, vaporizer, preheater and cold salt cellar;
Device of working medium and fused salt working medium successively in preheater, vaporizer and superheater progressively heat exchange produce superheated vapor, described superheated vapor enters direct-contact desuperheater to carry out flowing into steam turbine pushing turbine acting after spray desuperheating, and described steam turbine drives generator generating;
Wherein, described drum enters described preheater after the saturation water in described drum being mixed with the feedwater of feed water pump by a recycle pump; Between described evaporator inlet-outlet, be provided with a vaporizer bypass valve, for regulating the saturated water amount of the described vaporizer of flowing through; Described superheater is provided with a hot salinity and joins modulating valve connection between importing and exporting, for regulating the fused salt amount of the described superheater of flowing through;
It also comprises: water heat absorber, and its entrance is connected with described feed water pump, and outlet is connected with described drum, and described water heat absorber is supplied with described drum to device of working medium heating generation saturated steam wherein;
Fused salt heat absorber, its entrance is connected with described cold salt cellar, and its outlet is connected with described hot salt cellar, and described fused salt heat absorber is produced high-temperature molten salt and described high-temperature molten salt is passed into described hot salt cellar by the low-temperature molten salt heating to wherein;
Solar energy heating after wherein said water heat absorber and fused salt heat absorber focus on by solar energy mirror field.
As claimed in claim 7 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, described preheater, vaporizer and superheater all adopt U-shaped tubular type shell-and-tube heat exchanger, wherein, fused salt working medium is walked shell side, device of working medium is walked tube side, and fused salt working medium and device of working medium form overall countercurrent flow.
As claimed in claim 7 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, it increases the load of steam turbine by reducing the aperture of described vaporizer bypass valve and the aperture that described hot salinity is joined modulating valve;
By increasing the aperture of described vaporizer bypass valve and aperture that described hot salinity is joined modulating valve, realize the load that reduces steam turbine.
As claimed in claim 7 can be within the scope of population parameter the fused salt steam generating system of variable load operation, it is characterized in that, when top, heliostat mirror field there is not cloud, water after oxygen-eliminating device deoxygenation is after feed water pump boosts, enter in the water heat absorber of heat absorption top of tower, the solar energy of the device of working medium in water heat absorber through absorbing after a Jing Chang focuses on produces saturated vapour; Cold salt pump is delivered to low-temperature molten salt in fused salt heat absorber, and the solar energy heating after No. two fields focus on becomes high-temperature molten salt, after get back in hot salt cellar and store; Wherein part hot melt salt is delivered to and in fused salt steam generating system, carries out heat exchange through hot salt pump; The saturated vapour that the saturated vapour that fused salt steam generating system produces and water heat absorber produce is in thermal accumulator and vapour; after by superheater, cross thermosetting superheated vapor; by entering the generating of steam turbine pushing turbine after direct-contact desuperheater spray desuperheating, enter into steam turbine acting, drive generator generating;
The condensation in vapour condenser of the steam discharge of steam turbine; Condensed water out enters into oxygen-eliminating device from condensate pump, completes a photothermal power generation circulation;
When heliostat Jing Chang occurs that cloud layer blocks or without night during without solar irradiation, water heat absorber cannot provide saturated vapor, by strengthening the confluent of fused salt steam generating system, and strengthen the circulating load of recycle pump simultaneously, reduce the aperture of vaporizer bypass valve, reduce hot salinity and join the aperture of modulating valve, make vaporizer that whole saturated vapours are provided, and by superheater, undertaken overheated, by entering the generating of steam turbine pushing turbine after direct-contact desuperheater spray desuperheating, enter into steam turbine acting, drive generator generating; The condensation in vapour condenser of the steam discharge of steam turbine; Condensed water out enters into oxygen-eliminating device from condensate pump, completes a photothermal power generation circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439279.9A CN103511208B (en) | 2013-09-25 | 2013-09-25 | A kind of can within the scope of population parameter the fused salt steam generating system of variable load operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439279.9A CN103511208B (en) | 2013-09-25 | 2013-09-25 | A kind of can within the scope of population parameter the fused salt steam generating system of variable load operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103511208A true CN103511208A (en) | 2014-01-15 |
| CN103511208B CN103511208B (en) | 2016-04-20 |
Family
ID=49894488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310439279.9A Active CN103511208B (en) | 2013-09-25 | 2013-09-25 | A kind of can within the scope of population parameter the fused salt steam generating system of variable load operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103511208B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101112A (en) * | 2014-07-11 | 2014-10-15 | 上海锅炉厂有限公司 | Solar heat collection receiver |
| CN104266173A (en) * | 2014-05-23 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Molten salt heat transfer and storage trough electricity superheated steam boiler and superheated steam preparation method |
| WO2015154600A1 (en) * | 2014-04-11 | 2015-10-15 | 中国华能集团清洁能源技术研究院有限公司 | Two-loop solar thermal energy power generation system |
| CN105823246A (en) * | 2016-03-25 | 2016-08-03 | 青海中控太阳能发电有限公司 | Heat exchange system |
| CN105841368A (en) * | 2016-03-25 | 2016-08-10 | 青海中控太阳能发电有限公司 | Heat exchange system for solar heat power generation system |
| CN105841366A (en) * | 2016-03-25 | 2016-08-10 | 青海中控太阳能发电有限公司 | Heat exchange system with load regulating function |
| CN106885232A (en) * | 2017-04-12 | 2017-06-23 | 东方电气集团东方锅炉股份有限公司 | A kind of liquid energy-storage system suitable for fired power generating unit depth peak regulation |
| CN107013892A (en) * | 2017-05-17 | 2017-08-04 | 杭州锅炉集团股份有限公司 | A kind of combustion engine waste heat boiler device with fused salt heat accumulation |
| CN107191343A (en) * | 2017-07-28 | 2017-09-22 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of full load fused salt steam generating system and its control method |
| CN107906489A (en) * | 2017-11-30 | 2018-04-13 | 武汉都市环保工程技术股份有限公司 | A kind of energy-storage system for island network |
| CN108458328A (en) * | 2018-03-20 | 2018-08-28 | 上海锅炉厂有限公司 | A kind of tower type solar photo-thermal steam generating system adjusted using hot melt salt |
| CN108548167A (en) * | 2018-03-20 | 2018-09-18 | 北京工业大学 | A kind of fused salt hold over system of thermal power plant's accumulation of heat peak regulation using main steam heating |
| CN109489022A (en) * | 2017-09-11 | 2019-03-19 | 甘肃光热发电有限公司 | Steam purge formula photo-thermal electricity steam generating system |
| CN109489021A (en) * | 2017-09-11 | 2019-03-19 | 甘肃光热发电有限公司 | Liquid level visual type steam feed system and photo-thermal electricity steam generating system |
| CN109489023A (en) * | 2017-09-11 | 2019-03-19 | 甘肃光热发电有限公司 | Photo-thermal electricity high-efficiency steam generating system and control method |
| CN109812788A (en) * | 2019-01-30 | 2019-05-28 | 上海锅炉厂有限公司 | It is a kind of can be with the fused salt steam generating system and its working method of quick start |
| CN109838770A (en) * | 2017-09-11 | 2019-06-04 | 甘肃光热发电有限公司 | Photo-thermal power generation steam generating system |
| CN112050177A (en) * | 2020-09-18 | 2020-12-08 | 常州大学 | High-temperature molten salt heat storage steam storage and regulation system |
| CN113551212A (en) * | 2021-04-22 | 2021-10-26 | 烟台龙源电力技术股份有限公司 | Fused salt energy storage power station system |
| CN113623623A (en) * | 2021-08-19 | 2021-11-09 | 西安热工研究院有限公司 | Industrial steam supply system combining boiler and molten salt energy storage |
| CN114812247A (en) * | 2022-04-27 | 2022-07-29 | 华北电力大学 | High-flexibility coal-fired power generation system with coupled heat storage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4438630A (en) * | 1982-09-07 | 1984-03-27 | Combustion Engineering, Inc. | Method and system for maintaining operating temperatures in a molten salt co-generating unit |
| EP1873397A2 (en) * | 2006-06-30 | 2008-01-02 | United Technologies Corporation | High temperature molten salt solar receiver |
| CN101413719A (en) * | 2007-10-17 | 2009-04-22 | 中国科学院工程热物理研究所 | Tower type solar heat power generation system with double-stage thermal storage |
| CN101876299A (en) * | 2010-05-24 | 2010-11-03 | 北京京仪仪器仪表研究总院有限公司 | Method and system for combing solar energy thermal power generation with biomass power generation |
-
2013
- 2013-09-25 CN CN201310439279.9A patent/CN103511208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4438630A (en) * | 1982-09-07 | 1984-03-27 | Combustion Engineering, Inc. | Method and system for maintaining operating temperatures in a molten salt co-generating unit |
| EP1873397A2 (en) * | 2006-06-30 | 2008-01-02 | United Technologies Corporation | High temperature molten salt solar receiver |
| CN101413719A (en) * | 2007-10-17 | 2009-04-22 | 中国科学院工程热物理研究所 | Tower type solar heat power generation system with double-stage thermal storage |
| CN101876299A (en) * | 2010-05-24 | 2010-11-03 | 北京京仪仪器仪表研究总院有限公司 | Method and system for combing solar energy thermal power generation with biomass power generation |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015154600A1 (en) * | 2014-04-11 | 2015-10-15 | 中国华能集团清洁能源技术研究院有限公司 | Two-loop solar thermal energy power generation system |
| CN104266173A (en) * | 2014-05-23 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Molten salt heat transfer and storage trough electricity superheated steam boiler and superheated steam preparation method |
| CN104101112A (en) * | 2014-07-11 | 2014-10-15 | 上海锅炉厂有限公司 | Solar heat collection receiver |
| CN104101112B (en) * | 2014-07-11 | 2015-11-18 | 上海锅炉厂有限公司 | A kind of solar energy heating receiver |
| CN105841366A (en) * | 2016-03-25 | 2016-08-10 | 青海中控太阳能发电有限公司 | Heat exchange system with load regulating function |
| CN105841368A (en) * | 2016-03-25 | 2016-08-10 | 青海中控太阳能发电有限公司 | Heat exchange system for solar heat power generation system |
| CN105823246A (en) * | 2016-03-25 | 2016-08-03 | 青海中控太阳能发电有限公司 | Heat exchange system |
| CN105841366B (en) * | 2016-03-25 | 2018-04-17 | 浙江中控太阳能技术有限公司 | A kind of heat-exchange system for possessing Load Regulation function |
| CN106885232A (en) * | 2017-04-12 | 2017-06-23 | 东方电气集团东方锅炉股份有限公司 | A kind of liquid energy-storage system suitable for fired power generating unit depth peak regulation |
| CN107013892A (en) * | 2017-05-17 | 2017-08-04 | 杭州锅炉集团股份有限公司 | A kind of combustion engine waste heat boiler device with fused salt heat accumulation |
| CN107013892B (en) * | 2017-05-17 | 2020-10-23 | 杭州锅炉集团股份有限公司 | Gas turbine waste heat boiler device with molten salt heat storage function |
| CN107191343A (en) * | 2017-07-28 | 2017-09-22 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of full load fused salt steam generating system and its control method |
| CN107191343B (en) * | 2017-07-28 | 2023-02-07 | 中国电力工程顾问集团西北电力设计院有限公司 | Full-load molten salt steam generation system and control method thereof |
| CN109489022A (en) * | 2017-09-11 | 2019-03-19 | 甘肃光热发电有限公司 | Steam purge formula photo-thermal electricity steam generating system |
| CN109489021A (en) * | 2017-09-11 | 2019-03-19 | 甘肃光热发电有限公司 | Liquid level visual type steam feed system and photo-thermal electricity steam generating system |
| CN109489023A (en) * | 2017-09-11 | 2019-03-19 | 甘肃光热发电有限公司 | Photo-thermal electricity high-efficiency steam generating system and control method |
| CN109838770A (en) * | 2017-09-11 | 2019-06-04 | 甘肃光热发电有限公司 | Photo-thermal power generation steam generating system |
| CN107906489A (en) * | 2017-11-30 | 2018-04-13 | 武汉都市环保工程技术股份有限公司 | A kind of energy-storage system for island network |
| CN107906489B (en) * | 2017-11-30 | 2024-03-19 | 中冶南方都市环保工程技术股份有限公司 | Energy storage system for isolated power grid |
| CN108458328A (en) * | 2018-03-20 | 2018-08-28 | 上海锅炉厂有限公司 | A kind of tower type solar photo-thermal steam generating system adjusted using hot melt salt |
| CN108548167A (en) * | 2018-03-20 | 2018-09-18 | 北京工业大学 | A kind of fused salt hold over system of thermal power plant's accumulation of heat peak regulation using main steam heating |
| CN108548167B (en) * | 2018-03-20 | 2024-01-09 | 北京工业大学 | Molten salt heat storage system for heat storage peak shaving of thermal power plant by utilizing main steam for heating |
| CN109812788A (en) * | 2019-01-30 | 2019-05-28 | 上海锅炉厂有限公司 | It is a kind of can be with the fused salt steam generating system and its working method of quick start |
| CN109812788B (en) * | 2019-01-30 | 2023-11-24 | 上海锅炉厂有限公司 | Molten salt steam generation system capable of being started quickly and working method thereof |
| CN112050177A (en) * | 2020-09-18 | 2020-12-08 | 常州大学 | High-temperature molten salt heat storage steam storage and regulation system |
| CN113551212A (en) * | 2021-04-22 | 2021-10-26 | 烟台龙源电力技术股份有限公司 | Fused salt energy storage power station system |
| CN113623623A (en) * | 2021-08-19 | 2021-11-09 | 西安热工研究院有限公司 | Industrial steam supply system combining boiler and molten salt energy storage |
| CN114812247A (en) * | 2022-04-27 | 2022-07-29 | 华北电力大学 | High-flexibility coal-fired power generation system with coupled heat storage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103511208B (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103511208B (en) | A kind of can within the scope of population parameter the fused salt steam generating system of variable load operation | |
| CN106322791B (en) | Solar power system and method for electric generation using solar energy | |
| CN107542631B (en) | A kind of 3 tank heat storage type points-line focus mixing heat collecting field solar heat power generation system | |
| CN102828925B (en) | Binary working medium tower type solar power generating system | |
| CN102146899B (en) | Multi-tower binary-working-medium solar high-temperature heat power generation system | |
| CN108533467A (en) | A kind of slot type of power regulation, tower photo-thermal and photovoltaic can heat accumulation electricity generation systems | |
| JP2013545064A (en) | Method for producing superheated steam from a concentrating solar power plant | |
| JP5812955B2 (en) | Power generator / heater | |
| CN103375369B (en) | Power generation system of solar aided coal-fired power plant | |
| CN108561282A (en) | A kind of slot type direct steam and fuse salt combined thermal power generating system | |
| CN103939306B (en) | A kind of two loop-type solar heat power generation systems | |
| CN102859190A (en) | Solar thermal power plant | |
| EP2861908B1 (en) | Method for modifying a solar thermal power plant operating on conventional oil based technology into a hybrid solar thermal power plant and such a hybrid solar thermal power plant | |
| JP2014514525A (en) | Method and apparatus for producing steam for use in industrial processes | |
| CN202673591U (en) | Trough and tower solar hybrid power generation system | |
| WO2013064425A1 (en) | Solar power system and method of operating a solar power system | |
| CN103925179B (en) | solar thermal power system | |
| Alarcon-Padilla et al. | Assessment of an absorption heat pump coupled to a multi-effect distillation unit within AQUASOL project | |
| CN208123012U (en) | A kind of slot type direct steam and fuse salt combined thermal power generating system | |
| CN202811236U (en) | Double working medium power generation system used for tower-type solar energy | |
| US9638064B2 (en) | Back-up boiler system for a solar thermal power plant based on molten salt technology, a solar thermal power plant and a method for operating a solar thermal power plant | |
| CN105518384B (en) | The method and apparatus being evaporated in boiler for preventing tower focused solar energy power station | |
| CN109812789B (en) | Groove type solar photo-thermal power generation steam generation system | |
| CN102003696A (en) | Hierarchical cavity type solar heat absorber and heat exchange system | |
| EP2410177B1 (en) | Air- and steam-technology combined solar plant |
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 |
Effective date of registration: 20170727 Address after: 310053 Binjiang District City, Hangzhou Province, No. six and No. 307 Road, building 8, layer 9, layer 1, Patentee after: Zhejiang Supcon Solar Energy Technology Co., Ltd. Address before: 3 floor, 313 floor, new canteen, Delingha City, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, 817000 Patentee before: QINGHAI SUPCON SOLAR ENERGY POWER GENERATION CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 310018 1-2603, No. 501, No. 2 street, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Kesheng Technology Co., Ltd Address before: 310053 floor 8 and 9, building 1, No. 307, Liuhe Road, Binjiang District, Hangzhou, Zhejiang Patentee before: Zhejiang zhongkong Solar Energy Technology Co., Ltd |
|
| CP03 | Change of name, title or address |