CN102927546B - Linear Fresnel system for directly generating steam - Google Patents
Linear Fresnel system for directly generating steam Download PDFInfo
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- CN102927546B CN102927546B CN201210468766.3A CN201210468766A CN102927546B CN 102927546 B CN102927546 B CN 102927546B CN 201210468766 A CN201210468766 A CN 201210468766A CN 102927546 B CN102927546 B CN 102927546B
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- 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
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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
In order to the solar energy of Low emissivity density being converted into steam or the electric energy of high-quality, really realize global energy to substitute, researcher is just carrying out constantly exploratory development, except photovoltaic generation and solar water heater, also develop Salar light-gathering heat generating (CSP) that can be used for middle high-temperature power generation, mainly contain four kinds of hot power generation modes such as slot type, tower, butterfly and reflective Fresnel.Wherein Fresnel solar energy utilization technique effectively utilizes the reasons such as area is high, unit cost of electricity-generating is lower due to it, has become the important technical substituting conventional energy resource in renewable energy technologies.The conventional system of this technology is mainly double-circuit system: primary Ioops is take conduction oil as the light and heat collection loop of working medium, the absorber coatings that the high density that concentrator optically focused obtains can flow through heat collector Metal absorption tube-surface transfers energy heats conduction oil to, obtains high temperature heat conductive oil; Secondary circuit take water as the water-steam-return line of working medium, the transmission of high temperature heat conductive oil heat fed water by indirect heat exchange mode, produces high temperature and high pressure steam, then drive conventional steam turbine generator to generate electricity.Because conduction oil operating temperature does not allow more than 400 DEG C, limit the reduction of the further raising of double loop heat build-up generating efficiency and apparatus cost, operating cost.
Current international solar energy thermal-power-generating field is being studied refrigerant substitute technology and is being comprised fused salt and the DSG technology with water direct steam generation.The former generally adopts nitrose fused salt, but its crystalline temperature is higher, mostly at about 230 to 260 DEG C, Archimedes company of Italy uses fused salt to start in Sicily first as the solar energy thermal-power-generating factory of working medium, this be also in the world first solar energy thermal-power-generating adopt fused salt circulation and with the power plant of fuel gas generation complementation.High temperature resistant and the corrosion resistant linear concentrator thermal-collecting tube that Archimedes adopts oneself to produce, Temperature of Working is at 400-550 DEG C.The solar heat of nearly a few hours can be stored simultaneously.U.S. Sang Diya is studying in laboratory the fused salt of crystalline temperature below 100 DEG C, if successfully will be hopeful to replace high-solidification point fused salt and conduction oil.But adopt fused salt to be high temperature corrosion and high crystalline temperature as the major defect of heat-transfer working medium, and the high equipment manufacturing cost cost caused thus, secondly operation risk is large, once break down, fused salt causes scrapping of whole system by being inevitably set in equipment, and system must be equipped with combustion gas or electrical heating is assisted.
And direct steam generation system DSG(Direct Steam Generation) technology starts from the eighties in 20th century, adopt single loop principle, the conduction oil working medium in conventional system thermal-collecting tube is replaced with water, pumped into by 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 through type, gradual injection type and a recirculation type three kinds.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem: due to Photospot solar " directly " act on bear high temperature, high pressure vacuum heat collection pipe Metal absorption pipe on, there is following problem: when the first, evaporator section water becomes vapour-water two phase flow inflow Metal absorption pipe, pipe can cause permanent deformation due to problems such as pressure, vibrations, water hammers or cause glass tube to break; Although if second adopts plated film steel pipe can avoid breaking of glass tube, the overheated high temperature section heat loss of thermal-collecting tube can be caused large, cause steam not reach higher temperature, present Fresnel thermal-collecting tube is all adopt plated film steel pipe substantially; Three, owing to there is two phase flow and thermal-collecting tube circumference temperature difference problem, flow-control requires very complicated, and control system cost will be caused very high; Four, according to heat pipe-type thermal-collecting tube, its warmed-up flow and speed can not meet the demand of extensive heat generating.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of system of linear Fresnel direct steam generation, this system is not only properly settled harmful effect that water-steam two phase flow under different conditions causes thermal-collecting tube, is directly steamed the problems such as DSG Systematical control is complicated, and effectively prevents the booster problem because the reasons such as the thermal-collecting tube circumference temperature difference cause; And it is large to solve superheat section heat collecting pipe heat waste, the problem that temperature can not increase, has that system installing structure is simple, the thermal efficiency is high, reliability is strong, cost is low middle high temperature directly steams 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, Fresnel reflection beam condensing unit, saturation water section secondary condenser, the first control valve, flash tank, steam-water separator and superheat section secondary condenser; Described feed pressure pump and described saturation water section secondary condenser pipeline connection, described water section secondary condenser, described flash tank and described steam-water separator pipeline connection successively, described Fresnel reflection beam condensing unit is arranged on the below of described saturation water section secondary condenser, described first control valve is arranged on the pipeline between described water section secondary condenser and described flash tank, described steam-water separator respectively with described feed pressure pump and described superheat section secondary condenser pipeline connection; Described PLC is connected with each control valve circuit in 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 condenser and described first control valve, and described high pressure resistant hot-water cylinder is connected by water intaking valve and outlet valve with the pipeline between described water section secondary condenser and described first control valve.
Further, described system also comprises donkey boiler, described donkey boiler and described superheat section secondary condenser are arranged on the steam (vapor) outlet pipeline of described steam-water separator in parallel, and the branch road of described donkey boiler and described superheat section secondary condenser is provided with control valve.
Further, the pipeline between described feed pressure pump and described saturation water section secondary condenser is provided with control valve.
Further, described feed pressure pump is connected with a water intaking valve.
Further, described saturation water section secondary condenser 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 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 condenser 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 condenser.
Further, described superheat section secondary condenser 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 outer glass tube, vacuum layer and metal inner pipe, and it is inner that described metal inner pipe is set in described outer glass tube, is described vacuum layer between the outer wall of described metal inner pipe and the inwall of described outer glass tube.
Further, described superheat section secondary condenser 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 condenser.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By replacing original plated film steel pipe with plated film vacuum tube and plated film steel pipe respectively the hot water section of the steam segment of high temperature and middle low temperature in this system, both can reduce the heat waste of high-temperature region, again the heat absorption efficiency of not influential system.Add saturation water regenerative apparatus and donkey boiler, ensure that the stable operation of system under different irradiation, and the series of problems adopting high pressure saturation water to avoid two phase flow to cause.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the system integration schematic diagram that the embodiment of the present invention provides;
Fig. 2 is saturation water section secondary condenser cross section enlarged diagram in the system that provides of the embodiment of the present invention;
Fig. 3 is superheat section secondary condenser cross section enlarged diagram in the system that provides of the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
Present embodiments provide a kind of system of linear Fresnel direct steam generation, incorporated by reference to reference to figure 1, Fig. 2 and Fig. 3, this system comprises: feed pressure pump 1, PLC 2, Fresnel reflection beam condensing unit 3, saturation water section secondary condenser 4, first control valve 6, flash tank 7, steam-water separator 8 and superheat section secondary condenser 10.Feed pressure pump 1 and saturation water section secondary condenser 4 pipeline connection, the water inlet of feed pressure pump 1 is connected with a water intaking valve, and feed pressure pump 1 gives this system pumping water under high pressure in thermal-arrest pipeline.Water section secondary condenser 4, flash tank 7 and steam-water separator 8 pipeline connection successively, Fresnel reflection beam condensing unit 3 is arranged on the below of saturation water section secondary condenser 4, and the first control valve 6 is arranged on the pipeline between water section secondary condenser 4 and flash tank 7.Like this, by the water under high pressure of feed pressure pump 1 pumping in saturation water section secondary condenser 4 by Fresnel reflection beam condensing unit 3 heat temperature raising, obtain the saturation water of HTHP, the saturation water of this HTHP enters flash tank 7 through the first control valve 6, in flash tank 7, produce the saturated vapor of HTHP, the saturated vapor of this HTHP is transported in steam-water separator 8 and carries out water and steam separation.Steam-water separator 8 respectively with feed pressure pump 1 and superheat section secondary condenser 10 pipeline connection, namely the water after steam-water separator 8 steam is separated enters feed pressure pump 1 by the connecting line between steam-water separator 8 and feed pressure pump 1, again forms water under high pressure and is recycled; Steam after steam-water separator 8 steam is separated to be entered in superheat section secondary condenser 10 by the connecting line between steam-water separator 8 and superheat section secondary condenser 10 and carries out the superheated steam that post bake forms HTHP, thus is transferred away and generates electricity or for other purposes.PLC 2 is connected with each control valve circuit in system and is connected with each electric control gear circuit, and like this, whole system can be manipulated easily by PLC 2.Preferably, the pipeline between feed pressure pump 1 and saturation water section secondary condenser 4 is provided with control valve, PLC 2 is arranged on the connecting line between water pressure pump 1 and water section secondary condenser 4.More preferably, the control valve between feed pressure pump 1 and saturation water section secondary condenser 4 is arranged between PLC 2 and water section secondary condenser 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 condenser 4 and the first control valve 6, and high pressure resistant hot-water cylinder 5 is connected by water intaking valve and outlet valve with the pipeline between water section secondary condenser 4 and the first control valve 6.When flash tank 7 has been enough to the saturated vapor of the conveying of water section secondary condenser 4 place and next HTHP, then the saturation water of the HTHP of water section secondary condenser 4 generation is delivered directly to flash tank 7 place; When flash tank 7 can not complete the saturated vapor of the conveying of water section secondary condenser 4 place and next HTHP, then the water intaking valve that the saturation water of the HTHP of water section secondary condenser 4 generation controls high pressure resistant hot-water cylinder 5 by PLC 2 is partly stored in high pressure resistant hot-water cylinder 5; When secondary condenser 4 place normally or in full amount can not provide the saturation water of HTHP, then by PLC 2 control high pressure resistant hot-water cylinder 5 supplement be stored in the HTHP at this place saturation water in flash tank 7.Like this, high pressure resistant hot-water cylinder 5 pairs of HTHP saturation waters carry out heat accumulation, compare steam and conventional heat-conduction oil hold over system, while not reducing heat storage capacity, not only substantially reduce the volume of heat-accumulator tank, and the saturated vapor producing required pressure directly can be connected with steam flash tank, avoid the indirect heat exchange of heat-conducting oil system and water, add the thermal efficiency of system.
This system also comprises donkey boiler 9, and donkey boiler 9 and superheat section secondary condenser 10 are arranged on the steam (vapor) outlet pipeline of steam-water separator 8 in parallel, and the branch road of donkey boiler 9 and superheat section secondary condenser 10 is provided with control valve.Like this, the vapor (steam) temperature transported out when steam-water separator 8 place not and superheat section secondary condenser 10 when sunshine is not strong, can be heated further to this steam by donkey boiler 9, form the high temperature and high pressure steam meeting instructions for use.And the setting of high pressure resistant hot-water cylinder 5 and donkey boiler 9, ensure that can provide deposit heat energy to steam for system in cloud block etc. without under light conditions, another key effect plays bypass and regulates instantaneous pressure change, overcomes gas pressure in traditional DSG technology and be difficult to the drawback of regulable control.
Saturation water section secondary condenser 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 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 condenser 4, and this radiation protection radiating safety glass A4-5 in other implementations also can without the need to arranging.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 industrial utilization vapor (steam) temperature is generally at about 200 DEG C, pressure is less than 2MPa, produces section and adopts antivacuum plated film steel pipe to increase heat loss, but decrease initial investment cost at this saturation water.
Superheat section secondary condenser 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 glass metal endothermic tube is arranged on the focal axis place of secondary reflection aluminum modules B10-2.Glass metal endothermic tube comprises outer glass 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 outer glass tube 10-3, is vacuum layer 10-4 between the outer wall of metal inner pipe 10-5 and the inwall of outer glass tube 10-3.Penetrate the heat absorption mouth place that heat radiation safety glass B10-6 is arranged on superheat section secondary condenser 10, as other embodiment, this also can not be set and penetrate heat radiation safety glass B10-6.The outer glass 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 a layer 10-4 that outer glass tube 10-3 and metal inner pipe 10-5 is evacuated.Like this, superheat section secondary condenser 10 makes the very high pressure (2-20MPa) of water acquisition exceed pressure corresponding to saturation water temperature by high-pressure pump, avoid that the level set heat pipe two phase flow circumference temperature difference is large, problem that vibration, water hammer etc. cause permanent deformation, system heat transfer reliability is increased greatly, and the problem that adopt plated film steel pipe to solve glass tube that glass-metal vacuum heat collection pipe causes breaks.Substantially increase the security of system.Further, adopt glass-metal vacuum heat collection pipe at superheater tube, reduce over the heat loss of hot arc, improve collecting efficiency, and it is large to solve the mistake of superheat section heat collecting pipe heat waste, the problem that temperature can not improve further.And can arrange that spoiler strengthens 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, first feedwater 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 condenser 4 optically focused, then enter in high pressure resistant hot-water cylinder 5, then in flash tank 7, flash distillation produces the saturated moist steam requiring pressure with certain gasification point rate, after 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 condenser 10 continues the superheated steam of heating generation HTHP for pushing turbine generating or commercial Application.Entire system carries out following the tracks of the balance that the feedwater flow gathering automatic control pump entrance carrys out regulating system to the temperature of each device, pressure and irradiation by PLC 2, 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 through steam-water separator enters vacuum glass-collector metal module generation superheated steam; When solar irradiation lower than or when having a cloud cover, the saturation water in heat-accumulator tank enters flash tank, and open donkey boiler and heat, stable with keeping system outlet vapor parameter, produce high-temperature steam, promote gas-turbine and generate electricity; Superheat section vacuum glass-collector metal pipe inside is provided with flow spoiler, ensure that steam carries out sufficient turbulent heat transfer in the metal coating vacuum steel pipe of high temperature.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the system of a linear Fresnel direct steam generation, it is characterized in that, described system comprises: feed pressure pump (1), PLC (2), Fresnel reflection beam condensing unit (3), saturation water section secondary condenser (4), the first control valve (6), flash tank (7), steam-water separator (8) and superheat section secondary condenser (10);
Described feed pressure pump (1) and described saturation water section secondary condenser (4) pipeline connection, described saturation water section secondary condenser (4), described flash tank (7) and described steam-water separator (8) pipeline connection successively, described Fresnel reflection beam condensing unit (3) is arranged on the below of described saturation water section secondary condenser (4), described first control valve (6) is arranged on the pipeline between described saturation water section secondary condenser (4) and described flash tank (7), described steam-water separator (8) respectively with described feed pressure pump (1) and described superheat section secondary condenser (10) pipeline connection, plated film steel pipe is provided with in described saturation water section secondary condenser (4), plated film vacuum tube is provided with in described superheat section secondary condenser (10),
Described PLC (2) is connected with each control valve circuit in described system;
Described system also comprises high pressure resistant hot-water cylinder (5), described high pressure resistant hot-water cylinder (5) is arranged between described saturation water section secondary condenser (4) and described first control valve (6), and described high pressure resistant hot-water cylinder (5) is connected by water intaking valve and outlet valve with the pipeline between described saturation water section secondary condenser (4) and described first control valve (6);
Wherein, the water inlet of described feed pressure pump (1) is connected with water intaking valve, and described feed pressure pump (1) is for pumping water under high pressure.
2. 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) and described superheat section secondary condenser (10) are arranged on the steam (vapor) outlet pipeline of described steam-water separator (8) in parallel, and the branch road of described donkey boiler (9) and described superheat section secondary condenser (10) is provided with control valve.
3. the system of linear Fresnel direct steam generation according to claim 1, is characterized in that, the pipeline between described feed pressure pump (1) and described saturation water section secondary condenser (4) is provided with control valve.
4. 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.
5. the system of linear Fresnel direct steam generation according to any one of claim 1 to 4, it is characterized in that, described saturation water section secondary condenser (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), and described thermal insulating warm-keeping layer (4-2) is arranged between described stainless steel sheet| outer cover A (4-1) and described secondary reflection aluminum modules A (4-3);
The module that described secondary reflection aluminum modules A (4-3) is composite parabolic, described heat absorption steel pipe (4-4) is arranged on the focal axis place of described secondary reflection aluminum modules A (4-3).
6. the system of linear Fresnel direct steam generation according to claim 5, it is characterized in that, described saturation water section secondary condenser (4) also comprises radiation protection radiating safety glass A (4-5), and described radiation protection radiating safety glass A (4-5) is arranged on the heat absorption mouth place of described saturation water section secondary condenser (4).
7. the system of linear Fresnel direct steam generation according to any one of claim 1 to 4, it is characterized in that, described superheat section secondary condenser (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) is located at described secondary reflection aluminum modules B (10-2) top, the module that described secondary reflection aluminum modules B (10-2) is composite parabolic, described glass metal endothermic tube is arranged on the focal axis place of described secondary reflection aluminum modules B (10-2).
8. the system of linear Fresnel direct steam generation according to claim 7, it is characterized in that, described glass metal endothermic tube comprises outer glass tube (10-3), vacuum layer (10-4) and metal inner pipe (10-5), it is inner that described metal inner pipe (10-5) is set in described outer glass tube (10-3), is described vacuum layer (10-4) between the outer wall of described metal inner pipe (10-5) and the inwall of described outer glass tube (10-3).
9. the system of linear Fresnel direct steam generation according to claim 8, it is characterized in that, described superheat section secondary condenser (10) also comprises radiation protection radiating safety glass B (10-6), and described radiation protection radiating safety glass B (10-6) is arranged on the heat absorption mouth place of described superheat section secondary condenser (10).
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| CN107461961B (en) * | 2017-07-28 | 2019-09-27 | 江苏科技大学 | A kind of the double flash evaporation two stages of compression formula heat pump assembly and working method of double heat sources |
| 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 |
| 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 |
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