CN102927546A - Linear Fresnel system for directly generating steam - Google Patents
Linear Fresnel system for directly generating steam Download PDFInfo
- Publication number
- CN102927546A CN102927546A CN2012104687663A CN201210468766A CN102927546A CN 102927546 A CN102927546 A CN 102927546A CN 2012104687663 A CN2012104687663 A CN 2012104687663A CN 201210468766 A CN201210468766 A CN 201210468766A CN 102927546 A CN102927546 A CN 102927546A
- Authority
- CN
- China
- Prior art keywords
- condensation device
- water
- section secondary
- secondary condensation
- steam
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000009833 condensation Methods 0.000 claims description 69
- 230000005494 condensation Effects 0.000 claims description 69
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 229910052782 aluminium Inorganic materials 0.000 claims description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 25
- 239000011521 glass Substances 0.000 claims description 24
- 230000005855 radiation Effects 0.000 claims description 15
- 241000283074 Equus asinus Species 0.000 claims description 14
- 239000005336 safety glass Substances 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000005514 two-phase flow Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010010 raising Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 101100186820 Drosophila melanogaster sicily gene Proteins 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VQTGUFBGYOIUFS-UHFFFAOYSA-N nitrosylsulfuric acid Chemical compound OS(=O)(=O)ON=O VQTGUFBGYOIUFS-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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
- Y02E10/44—Heat exchange systems
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a linear Fresnel system for directly generating steam. The linear Fresnel system comprises a water supply pressure pump (1), a PLC (Programmable Logic Controller) (2), a Fresnel reflecting and condensing device (3), a saturated water section secondary condenser (4), a first control valve (6), a flash tank (7), a steam-water separator (8) and an overheat section secondary condenser (10), wherein the water supply pressure pump (1) is in pipeline communication with the saturated water section secondary condenser (4); the saturated water section secondary condenser (4), the flash tank (7) and the steam-water separator (8) are sequentially in pipeline communication; the Fresnel reflecting and condensing device (3) is arranged below the saturated water section secondary condenser (4); and the steam-water separator (8) is respectively in pipeline communication with the water supply pressure pump (1) and the overheat section secondary condenser (10). According to the linear Fresnel system disclosed by the invention, original coated steel tubes on a high-temperature steam section and a low-temperature hot water section in the system are respectively replaced by coating vacuum tubes and coating steel tubes, so that the heat loss in a high-temperature area can be reduced and the influence on the heat absorption efficiency of the system is avoided.
Description
Technical field
The present invention relates to concentrating solar steam generating equipment field, particularly a kind of system of linear Fresnel direct steam generation.
Background technology
For the solar energy of low radiation density is converted into high-quality steam or electric energy, the real global energy that realizes substitutes, researcher is just carrying out constantly exploratory development, except photovoltaic generation and solar water heater, also develop the Salar light-gathering heat generating (CSP) that can be used for the high temperature generating, mainly contain four kinds of hot power generation modes such as slot type, tower, butterfly and reflection Fresnel.Wherein the Fresnel solar energy utilization technique has become the important technical that substitutes conventional energy resource in the renewable energy technologies owing to it effectively utilizes the reasons such as area is high, the unit cost of electricity-generating is lower.The conventional system of this technology is mainly double-circuit system: a loop is the light and heat collection loop take conduction oil as working medium, the absorber coatings that the high density that concentrator optically focused obtains can flow by heat collector metal absorption tube-surface transfers heat energy heating conduction oil to, obtains high temperature heat conductive oil; Secondary circuit is the water-steam-return line take water as working medium, with high temperature heat conductive oil heat transferred water, produces high temperature and high pressure steam by the indirect heat exchange mode, drives conventional steam turbine generator generating again.Because the conduction oil operating temperature does not allow to surpass 400 ℃, limited the reduction of the further raising of double loop heat build-up generating efficiency and apparatus cost, operating cost.
The DSG technology that the working medium substitute technology comprises fused salt and water direct steam generation is being studied in present international solar energy thermal-power-generating field.The former generally adopts the nitrose fused salt, but its crystalline temperature is higher, mostly about 230 to 260 ℃, Italy Archimedes company uses fused salt to start in the Sicily first as the solar energy thermal-power-generating factory of working medium, this also be in the world first solar energy thermal-power-generating adopt fused salt circulation and with the power plant of fuel gas generation complementation.Archimedes adopts the high temperature resistant and corrosion resistant linear light-gathering heat collection pipe of oneself producing, and Temperature of Working is at 400-550 ℃.Can store simultaneously the nearly solar heat of a few hours.Crystalline temperature is being studied in the Sang Diya laboratory at the fused salt below 100 ℃ by the U.S., if successfully will be hopeful to replace high-solidification point fused salt and conduction oil.But adopting fused salt is high temperature corrosion and high crystalline temperature as the major defect of heat-transfer working medium, and the high equipment manufacturing cost cost that causes thus, secondly operation risk is large, in case break down, fused salt will inevitably be set in and cause scrapping of whole system in the equipment, and system must be equipped with combustion gas or electrical heating is assisted.
And the DSG(Direct Steam Generation of direct steam generation system) technology starts from the eighties in 20th century, adopt the single loop principle, with the conduction oil working medium in the water replacement conventional system thermal-collecting tube, pumped into by the heat collecting field porch, through preheating, evaporation, overheated three phases, absorb solar energy, directly obtain the superheated steam of high temperature, high pressure, system can be divided into three kinds of through type, gradual injection type and recirculation types.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art: because Photospot solar " directly " acts on the metal absorption pipe of the vacuum heat collection pipe that bears high temperature, high pressure, exist following problem: the first, evaporator section water change vapour-when the water two phase flow flowed into the metal absorption pipe, pipe can cause permanent deformation or cause glass tube to break owing to problems such as pressure, vibrations, water hammers; Although if the second employing plated film steel pipe can be avoided breaking of glass tube, can cause the overheated high temperature section heat loss of thermal-collecting tube large, cause steam not reach higher temperature, the Fresnel thermal-collecting tube all is to adopt the plated film steel pipe basically now; Three, owing to having two phase flow and the circumferential temperature difference problem of thermal-collecting tube, flow-control requires very complicated, will cause the control system cost very high; If the 4th adopts the heat pipe-type thermal-collecting tube, it adds heat flow and speed can not satisfy the demand that extensive heat is generated electricity.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the invention provides a kind of system of linear Fresnel direct steam generation, this system not only properly settles harmful effect that water under the different conditions-the steam two phase flow causes thermal-collecting tube, directly steams the problems such as the control of DSG system is complicated, and effectively prevents the booster problem that causes because of reasons such as the circumferential temperature difference of thermal-collecting tube; And it is large to have solved the superheat section heat collecting pipe heat waste, the problem that temperature can not increase, have that system installing structure is simple, the thermal efficiency is high, reliability is strong, cost is low middle high temperature directly steam system.Described technical scheme is as follows:
A kind of system of linear Fresnel direct steam generation, it is characterized in that, described system comprises: feed pressure pump, PLC controller, Fresnel reflection beam condensing unit, saturation water section secondary condensation device, the first control valve, flash tank, steam-water separator and superheat section secondary condensation device; Described feed pressure pump is communicated with described saturation water section secondary condensation organ pipe road, described water section secondary condensation device, described flash tank and described steam-water separator be pipeline connection successively, described Fresnel reflection beam condensing unit is arranged on the below of described saturation water section secondary condensation device, described the first control valve is arranged on the pipeline between described water section secondary condensation device and the described flash tank, and described steam-water separator is communicated with described feed pressure pump and described superheat section secondary condensation organ pipe road respectively; Described PLC controller is connected with each control valve circuit in the described system.
Further, described system also comprises high pressure resistant hot-water cylinder, described high pressure resistant hot-water cylinder is arranged between described water section secondary condensation device and described the first control valve, and described high pressure resistant hot-water cylinder is connected with outlet valve by water intaking valve with pipeline between described water section secondary condensation device and described the first control valve.
Further, described system also comprises donkey boiler, described donkey boiler and described superheat section secondary condensation device are arranged on the steam (vapor) outlet pipeline of described steam-water separator in parallel, are provided with control valve on the branch road of described donkey boiler and described superheat section secondary condensation device.
Further, be provided with control valve on the pipeline between described feed pressure pump and the described saturation water section secondary condensation device.
Further, described feed pressure pump is connected with a water intaking valve.
Further, described saturation water section secondary condensation device comprises stainless steel sheet| outer cover A, thermal insulating warm-keeping layer, secondary reflection aluminum modules A and heat absorption steel pipe, and described thermal insulating warm-keeping layer is arranged between described stainless steel sheet| outer cover A and the described secondary reflection aluminum modules A; Described secondary reflection aluminum modules A is the module of composite parabolic, and described heat absorption steel pipe is arranged on the focal axis place of described secondary reflection aluminum modules A.
Further, described saturation water section secondary condensation device also comprises radiation protection radiating safety glass A, and described radiation protection radiating safety glass A is arranged on the heat absorption mouth place of described saturation water section secondary condensation device.
Further, described superheat section secondary condensation device comprises stainless steel sheet| outer cover B, secondary reflection aluminum modules B and glass metal endothermic tube, described stainless steel sheet| outer cover B is located at described secondary reflection aluminum modules B top, described secondary reflection aluminum modules B is the module of composite parabolic, and described glass metal endothermic tube is arranged on the focal axis place of described secondary reflection aluminum modules B.
Further, described glass metal endothermic tube comprises glass outer tube, vacuum layer and metal inner pipe, and it is inner that described metal inner pipe is set in described glass outer tube, is described vacuum layer between the inwall of the outer wall of described metal inner pipe and described glass outer tube.
Further, described superheat section secondary condensation device also comprises radiation protection radiating safety glass B, and described radiation protection radiating safety glass B is arranged on the heat absorption mouth place of described superheat section secondary condensation device.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
By replacing original plated film steel pipe with plated film vacuum tube and plated film steel pipe respectively at the steam segment of high temperature and the hot water section of middle low temperature in this system, both can reduce the heat waste of high-temperature region, do not affect again the heat absorption efficiency of system.Add saturation water regenerative apparatus and donkey boiler, guaranteed the stable operation of system under different irradiation, and the series of problems that adopts the high pressure saturation water to avoid two phase flow to cause.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the system integration schematic diagram that the embodiment of the invention provides;
Fig. 2 is saturation water section secondary condensation device cross section enlarged diagram in the system that provides of the embodiment of the invention;
Fig. 3 is superheat section secondary condensation device cross section enlarged diagram in the system that provides of the embodiment of the invention.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment
The present embodiment provides a kind of system of linear Fresnel direct steam generation, please in conjunction with reference to figure 1, Fig. 2 and Fig. 3, this system comprises: feed pressure pump 1, PLC controller 2, Fresnel reflection beam condensing unit 3, saturation water section secondary condensation device 4, the first control valve 6, flash tank 7, steam-water separator 8 and superheat section secondary condensation device 10.Feed pressure pump 1 and saturation water section secondary condensation device 4 pipeline connections, the water inlet of feed pressure pump 1 is connected with a water intaking valve, and feed pressure pump 1 gives this system's pumping water under high pressure to the thermal-arrest pipeline.Water section secondary condensation device 4, flash tank 7 and steam-water separator 8 be pipeline connection successively, and Fresnel reflection beam condensing unit 3 is arranged on the below of saturation water section secondary condensation device 4, and the first control valve 6 is arranged on the pipeline between water section secondary condensation device 4 and the flash tank 7.Like this, by the water under high pressure of feed pressure pump 1 pumping at saturation water section secondary condensation device 4 places by Fresnel reflection beam condensing unit 3 heat temperature raisings, obtain the saturation water of HTHP, the saturation water of this HTHP enters flash tank 7 through the first control valve 6, at the saturated vapor of flash tank 7 interior generation HTHPs, the saturated vapor of this HTHP is transported to and carries out the water and steam separation in the steam-water separator 8.Steam-water separator 8 respectively with feed pressure pump 1 and superheat section secondary condensation device 10 pipeline connections, water after namely separating through steam-water separator 8 steam enters feed pressure pump 1 by the connecting line between steam-water separator 8 and the feed pressure pump 1, again forms water under high pressure and is repeated to utilize; Enter the superheated steam that carries out post bake formation HTHP in the superheat section secondary condensation device 10 by the connecting line between steam-water separator 8 and the superheat section secondary condensation device 10 through the steam after the separation of steam-water separator 8 steam, thereby be transferred away generating or be used for other purposes.PLC controller 2 is connected and is connected with each electric control gear circuit with each control valve circuit in the system, and like this, whole system can be controlled easily by PLC controller 2.Preferably, be provided with control valve on the pipeline between feed pressure pump 1 and the saturation water section secondary condensation device 4, PLC controller 2 is arranged on the connecting line between water pressure pump 1 and the water section secondary condensation device 4.More preferably, the control valve between feed pressure pump 1 and the saturation water section secondary condensation device 4 is arranged between PLC controller 2 and the water section secondary condensation device 4.
This system also comprises high pressure resistant hot-water cylinder 5, and high pressure resistant hot-water cylinder 5 is arranged between water section secondary condensation device 4 and the first control valve 6, and high pressure resistant hot-water cylinder 5 is connected with outlet valve by water intaking valve with pipeline between water section secondary condensation device 4 and the first control valve 6.Water section secondary condensation device 4 places carry and the saturated vapor of the HTHP that comes when flash tank 7 is enough to finish, and then the saturation water of the HTHP that produces of water section secondary condensation device 4 is delivered directly to flash tank 7 places; Can not finish the saturated vapor of the HTHP that water section secondary condensation device 4 places carry and come when flash tank 7, then the saturation water of the HTHP that produces of water section secondary condensation device 4 partly is stored in the high pressure resistant hot-water cylinder 5 by the water intaking valve of the high pressure resistant hot-water cylinder 5 of PLC controller 2 controls; When can not be normally or the saturation water of HTHP is provided in full amount in secondary condensation device 4 places, then replenish the saturation water of the HTHP that is stored in this place in flash tank 7 by the high pressure resistant hot-water cylinder 5 of PLC controller 2 controls.Like this, 5 pairs of HTHP saturation waters of high pressure resistant hot-water cylinder carry out heat accumulation, compare steam and conventional heat-conduction oil hold over system, when not reducing heat storage capacity, not only greatly reduced the volume of heat-accumulator tank, and can directly be connected the saturated vapor that produces required pressure with steam flash tank, and avoided the indirect heat exchange of heat-conducting oil system and water, increased the thermal efficiency of system.
This system also comprises donkey boiler 9, and donkey boiler 9 is arranged on the steam (vapor) outlet pipeline of steam-water separator 8 in parallel with superheat section secondary condensation device 10, is provided with control valve on the branch road of donkey boiler 9 and superheat section secondary condensation device 10.Like this, the vapor (steam) temperature that transports out when steam-water separator 8 places not and superheat section secondary condensation device 10 in the situation that sunshine is not strong, can further heat by 9 pairs of these steam of donkey boiler, form the high temperature and high pressure steam that meets instructions for use.And the setting of high pressure resistant hot-water cylinder 5 and donkey boiler 9, guaranteed to steam for system provides deposit heat energy in the situation unglazed photographs such as cloud blocks, another key effect is to play bypass and regulate instantaneous pressure to change, and overcomes the drawback that gas pressure is difficult to regulate control in traditional DSG technology.
Saturation water section secondary condensation device 4 comprises stainless steel sheet| outer cover A4-1, thermal insulating warm-keeping layer 4-2, secondary reflection aluminum modules A4-3, heat absorption steel pipe 4-4 and radiation protection radiating safety glass A4-5, and thermal insulating warm-keeping layer 4-2 is arranged between stainless steel sheet| outer cover A4-1 and the secondary reflection aluminum modules A4-3.Secondary reflection aluminum modules A4-3 is the module of composite parabolic, and heat absorption steel pipe 4-4 is arranged on the focal axis place of secondary reflection aluminum modules A4-3.Radiation protection radiating safety glass A4-5 is arranged on the heat absorption mouth place of saturation water section secondary condensation device 4, and this radiation protection radiating safety glass A4-5 also can need not to arrange in other embodiment.Like this, stainless steel sheet| outer cover A4-1 has corrosion-resisting function, and thermal insulating warm-keeping layer 4-2 can carry out heat-insulation and heat-preservation, and the focal axis place that heat absorption steel pipe 4-4 is arranged on secondary reflection aluminum modules A4-3 is more conducive to the absorption of luminous energy.Heat absorption steel pipe 4-4 is antivacuum plated film steel pipe, and like this, because the industrial utilization vapor (steam) temperature is generally about 200 ℃, pressure produces section at this saturation water and adopts an antivacuum plated film steel pipe can not increase heat loss, but reduced the initial investment cost less than 2MPa.
Superheat section secondary condensation device 10 comprises stainless steel sheet| outer cover B10-1, secondary reflection aluminum modules B10-2 and glass metal endothermic tube and radiation protection radiating safety glass B10-6, stainless steel sheet| outer cover B10-1 is located at secondary reflection aluminum modules B10-2 top, secondary reflection aluminum modules B10-2 is the module of composite parabolic, and the glass metal endothermic tube is arranged on the focal axis place of secondary reflection aluminum modules B10-2.The glass metal endothermic tube comprises glass outer tube 10-3, vacuum layer 10-4 and metal inner pipe 10-5, and it is inner that metal inner pipe 10-5 is set in glass outer tube 10-3, is vacuum layer 10-4 between the inwall of the outer wall of metal inner pipe 10-5 and glass outer tube 10-3.Penetrate the heat absorption mouth place that heat radiation safety glass B10-6 is arranged on superheat section secondary condensation device 10, as other embodiment, this also can be set penetrate heat radiation safety glass B10-6.The glass outer tube 10-3 of the employing high permeability of glass metal endothermic tube and outer surface scribble the metal inner pipe 10-5 of the high temperature resistant plated film of high-absorbility rete, and with glass outer tube 10-3 and the metal inner pipe 10-5 layer 10-4 that be evacuated.Like this, superheat section secondary condensation device 10 makes water obtain very high pressure (2-20MPa) above pressure corresponding to saturation water temperature by high-pressure pump, the problem that avoided that the level set heat pipe two phase flow circumferential temperature difference is large, vibration, water hammer etc. causes permanent deformation, the system reliable heat conduction of making increases greatly, and adopts the plated film steel pipe to solve the problem that glass tube that the glass-metal vacuum heat collection pipe causes breaks.Greatly improved Security of the system.And, adopt the glass-metal vacuum heat collection pipe at superheater tube, reduce the heat loss of superheat section, improve collecting efficiency, and solved the mistake of superheat section heat collecting pipe heat waste greatly, the problem that temperature can not further improve.And can arrange that spoiler strengthen the fluid interchange of superheated steam at the metal inner pipe of superheat section thermal-collecting tube.
The System Working Principle of linear Fresnel direct steam generation provided by the invention is: with reference to figure 1, feedwater at first pumps into saturation water through feed pressure pump 1 and produces section plated film steel pipe, in this stage, water under high pressure is warmed up to saturation temperature gradually through Fresnel reflection beam condensing unit 3 and the heating of saturation water section secondary condensation device 4 optically focused, then enter in the high pressure resistant hot-water cylinder 5, then the flash distillation generation requires pressure with the saturated moist steam of certain gasification minute rate in flash tank 7, through behind the steam-water separator 8, condensed water is wherein got back to feed pressure pump 1 and is recycled, and saturated vapor enters donkey boiler 9 or superheat section secondary condensation device 10 continues the superheated steam of heating generation HTHP for pushing turbine generating or commercial Application.Entire system is followed the tracks of the balance that the feedwater flow that gathers automatic control pump entrance comes regulating system by temperature, pressure and the irradiation of 2 pairs of each devices of PLC controller, when solar irradiation is better than setting value, increase the flow of pump intake, heat-accumulator tank carries out accumulation of heat, and the steam of process steam-water separator enters vacuum glass-collector metal module and produces superheated steam; When solar irradiation was lower than or have cloud layer to block, the saturation water in the heat-accumulator tank entered flash tank, and opened donkey boiler and heat, and with stablizing of keeping system outlet steam parameter, produced high-temperature steam, promoted gas-turbine and generated electricity; Superheat section vacuum glass-collector metal pipe inside is provided with flow spoiler, has guaranteed that steam carries out sufficient turbulent heat transfer in the metal coating vacuum steel pipe of high temperature.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the system of a linear Fresnel direct steam generation, it is characterized in that, described system comprises: feed pressure pump (1), PLC controller (2), Fresnel reflection beam condensing unit (3), saturation water section secondary condensation device (4), the first control valve (6), flash tank (7), steam-water separator (8) and superheat section secondary condensation device (10);
Described feed pressure pump (1) and described saturation water section secondary condensation device (4) pipeline connection, described water section secondary condensation device (4), described flash tank (7) and described steam-water separator (8) be pipeline connection successively, described Fresnel reflection beam condensing unit (3) is arranged on the below of described saturation water section secondary condensation device (4), described the first control valve (6) is arranged on the pipeline between described water section secondary condensation device (4) and the described flash tank (7), described steam-water separator (8) respectively with described feed pressure pump (1) and described superheat section secondary condensation device (10) pipeline connection;
Described PLC controller (2) is connected with each control valve circuit in the described system.
2. the system of linear Fresnel direct steam generation according to claim 1, it is characterized in that, described system also comprises high pressure resistant hot-water cylinder (5), described high pressure resistant hot-water cylinder (5) is arranged between described water section secondary condensation device (4) and described the first control valve (6), and described high pressure resistant hot-water cylinder (5) is connected with outlet valve by water intaking valve with pipeline between described water section secondary condensation device (4) and described the first control valve (6).
3. the system of linear Fresnel direct steam generation according to claim 1, it is characterized in that, described system also comprises donkey boiler (9), described donkey boiler (9) is arranged on the steam (vapor) outlet pipeline of described steam-water separator (8) in parallel with described superheat section secondary condensation device (10), is provided with control valve on the branch road of described donkey boiler (9) and described superheat section secondary condensation device (10).
4. the system of linear Fresnel direct steam generation according to claim 1 is characterized in that, is provided with control valve on the pipeline between described feed pressure pump (1) and the described saturation water section secondary condensation device (4).
5. the system of linear Fresnel direct steam generation according to claim 1 is characterized in that, described feed pressure pump (1) is connected with a water intaking valve.
6. the system of each described linear Fresnel direct steam generation in 5 according to claim 1, it is characterized in that, described saturation water section secondary condensation device (4) comprises stainless steel sheet| outer cover A(4-1), thermal insulating warm-keeping layer (4-2), secondary reflection aluminum modules A(4-3) and heat absorption steel pipe (4-4), described thermal insulating warm-keeping layer (4-2) is arranged on described stainless steel sheet| outer cover A(4-1) and described secondary reflection aluminum modules A(4-3) between;
Described secondary reflection aluminum modules A(4-3) be the module of composite parabolic, described heat absorption steel pipe (4-4) is arranged on described secondary reflection aluminum modules A(4-3) the focal axis place.
7. the system of linear Fresnel direct steam generation according to claim 6, it is characterized in that, described saturation water section secondary condensation device (4) also comprises radiation protection radiating safety glass A(4-5), described radiation protection radiating safety glass A(4-5) be arranged on the heat absorption mouth place of described saturation water section secondary condensation device (4).
8. the system of each described linear Fresnel direct steam generation in 5 according to claim 1, it is characterized in that, described superheat section secondary condensation device (10) comprises stainless steel sheet| outer cover B(10-1), secondary reflection aluminum modules B(10-2) and glass metal endothermic tube, described stainless steel sheet| outer cover B(10-1) be located at described secondary reflection aluminum modules B(10-2) top, described secondary reflection aluminum modules B(10-2) be the module of composite parabolic, described glass metal endothermic tube is arranged on described secondary reflection aluminum modules B(10-2) the focal axis place.
9. the system of linear Fresnel direct steam generation according to claim 8, it is characterized in that, described glass metal endothermic tube comprises glass outer tube (10-3), vacuum layer (10-4) and metal inner pipe (10-5), described metal inner pipe (10-5) is set in described glass outer tube (10-3) inside, is described vacuum layer (10-4) between the inwall of the outer wall of described metal inner pipe (10-5) and described glass outer tube (10-3).
10. the system of linear Fresnel direct steam generation according to claim 9, it is characterized in that, described superheat section secondary condensation device (10) also comprises radiation protection radiating safety glass B(10-6), described radiation protection radiating safety glass B(10-6) be arranged on the heat absorption mouth place of described superheat section secondary condensation device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468766.3A CN102927546B (en) | 2012-11-19 | 2012-11-19 | Linear Fresnel system for directly generating steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468766.3A CN102927546B (en) | 2012-11-19 | 2012-11-19 | Linear Fresnel system for directly generating steam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927546A true CN102927546A (en) | 2013-02-13 |
| CN102927546B CN102927546B (en) | 2015-05-20 |
Family
ID=47642414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210468766.3A Expired - Fee Related CN102927546B (en) | 2012-11-19 | 2012-11-19 | Linear Fresnel system for directly generating steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102927546B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461961A (en) * | 2017-07-28 | 2017-12-12 | 江苏科技大学 | The double flash evaporation two stages of compression formula heat pump assembly and method of work of a kind of double thermals source |
| CN108253831A (en) * | 2018-01-03 | 2018-07-06 | 北京恒聚化工集团有限责任公司 | Saturated water-steam energy storage system and energy storage method |
| CN109737620A (en) * | 2018-12-18 | 2019-05-10 | 南京天创电子技术有限公司 | A kind of system and method for solar energy heating heating network steam and condensed water |
| CN112013368A (en) * | 2019-05-30 | 2020-12-01 | 北京兆阳光热技术有限公司 | A method and apparatus for directly generating stable superheated steam |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060174622A1 (en) * | 2005-02-09 | 2006-08-10 | Mark Skowronski | Electrical generating system using solar energy and gas turbine |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | Solar cascade development heat utilization system |
| CN201463077U (en) * | 2009-07-17 | 2010-05-12 | 李国有 | Photoelectric complementary heating system |
| CN101839556A (en) * | 2009-03-22 | 2010-09-22 | 北京智慧剑科技发展有限责任公司 | Solar linear zooming and unidirectional tracking vacuum tube utilization system |
| CN102062479A (en) * | 2009-11-17 | 2011-05-18 | 皇明太阳能股份有限公司 | Composite paraboloid high temperature thermal collector designed by taking lead as basis |
| CN102486167A (en) * | 2010-12-01 | 2012-06-06 | 毛楚楚 | Dome-type array solar thermoelectric power and wind power system |
| CN102741616A (en) * | 2009-05-15 | 2012-10-17 | 阿海珐太阳能公司 | Systems and methods for producing steam using solar radiation |
-
2012
- 2012-11-19 CN CN201210468766.3A patent/CN102927546B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060174622A1 (en) * | 2005-02-09 | 2006-08-10 | Mark Skowronski | Electrical generating system using solar energy and gas turbine |
| CN101354191A (en) * | 2008-09-26 | 2009-01-28 | 南京工业大学 | Solar cascade development heat utilization system |
| CN101839556A (en) * | 2009-03-22 | 2010-09-22 | 北京智慧剑科技发展有限责任公司 | Solar linear zooming and unidirectional tracking vacuum tube utilization system |
| CN102741616A (en) * | 2009-05-15 | 2012-10-17 | 阿海珐太阳能公司 | Systems and methods for producing steam using solar radiation |
| CN201463077U (en) * | 2009-07-17 | 2010-05-12 | 李国有 | Photoelectric complementary heating system |
| CN102062479A (en) * | 2009-11-17 | 2011-05-18 | 皇明太阳能股份有限公司 | Composite paraboloid high temperature thermal collector designed by taking lead as basis |
| CN102486167A (en) * | 2010-12-01 | 2012-06-06 | 毛楚楚 | Dome-type array solar thermoelectric power and wind power system |
Non-Patent Citations (1)
| Title |
|---|
| 李启明等: "线性菲涅尔式太阳能热发电技术发展概况", 《太阳能》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461961A (en) * | 2017-07-28 | 2017-12-12 | 江苏科技大学 | The double flash evaporation two stages of compression formula heat pump assembly and method of work of a kind of double thermals source |
| CN107461961B (en) * | 2017-07-28 | 2019-09-27 | 江苏科技大学 | A two-stage flash two-stage compression heat pump device with dual heat sources and its working method |
| CN108253831A (en) * | 2018-01-03 | 2018-07-06 | 北京恒聚化工集团有限责任公司 | Saturated water-steam energy storage system and energy storage method |
| CN109737620A (en) * | 2018-12-18 | 2019-05-10 | 南京天创电子技术有限公司 | A kind of system and method for solar energy heating heating network steam and condensed water |
| CN109737620B (en) * | 2018-12-18 | 2024-02-09 | 南京天创电子技术有限公司 | System and method for heating heat supply pipe network steam and condensed water by solar energy |
| CN112013368A (en) * | 2019-05-30 | 2020-12-01 | 北京兆阳光热技术有限公司 | A method and apparatus for directly generating stable superheated steam |
| CN112013368B (en) * | 2019-05-30 | 2025-07-15 | 北京兆阳光热技术有限公司 | A method and device for directly generating stable superheated steam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102927546B (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103953402B (en) | The optimization integrated system of a kind of solar energy and biomass energy cogeneration | |
| CN101968041B (en) | Solar power generation method and system taking biomass boiler as auxiliary heat source | |
| CN101413719B (en) | Tower type solar heat power generation system with double-stage thermal storage | |
| AU2015245828B2 (en) | Solar thermal and BIGCC-integrated hybrid power generation system | |
| CN201730779U (en) | System combining solar solar thermal generation and biomass electricity generation | |
| CN103939306B (en) | A kind of two loop-type solar heat power generation systems | |
| US20110048408A1 (en) | Pressurized Solar Power System | |
| CN103256191B (en) | Disc type solar energy assistant coal power generation system | |
| CN102418679B (en) | Solar energy and exogenous steam complementary power generation equipment | |
| CN203272032U (en) | Disk-type solar auxiliary coal-fired power generation system | |
| CN115013096B (en) | A thermal power generation, photothermal power generation and supercritical carbon dioxide coupled power generation system and method | |
| CN102927546B (en) | Linear Fresnel system for directly generating steam | |
| CN104179646A (en) | Photo-thermal energy and terrestrial heat combined complementary renewable energy power station system | |
| CN102278285A (en) | High-temperature heat-accumulating-type new energy utilizing system | |
| CN108507198A (en) | A kind of photo-thermal power generation high-temp solid hold over system | |
| CN201851293U (en) | Trough type solar atomization flash evaporation electricity generation system device | |
| CN104265586B (en) | Power generation system comprising steam heat accumulator | |
| JP5919390B2 (en) | Solar energy and external steam hybrid generator | |
| CN105091356A (en) | Solar concentrating heat collection and conventional energy source coupling power generation system | |
| CN101660746A (en) | Heat-pipe-type device for directly generating steam in circulating once again and method | |
| CN204003295U (en) | The complementary renewable sources of energy electric power station system of a kind of photo-thermal ground thermal | |
| CN108488049A (en) | A kind of multi-level solar and the power generation of other energy complementary thermals and polygenerations systeme | |
| CN115095495B (en) | Photovoltaic thermal system | |
| CN211953294U (en) | System for tower light and heat spotlight solar collecting system provides heat transfer medium for SGS system | |
| CN219865358U (en) | A solar thermal-geothermal energy coupling power generation system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20171119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |