CN208123012U - A kind of slot type direct steam and fuse salt combined thermal power generating system - Google Patents
A kind of slot type direct steam and fuse salt combined thermal power generating system Download PDFInfo
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- CN208123012U CN208123012U CN201820375829.3U CN201820375829U CN208123012U CN 208123012 U CN208123012 U CN 208123012U CN 201820375829 U CN201820375829 U CN 201820375829U CN 208123012 U CN208123012 U CN 208123012U
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- 150000003839 salts Chemical class 0.000 title claims abstract description 135
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008020 evaporation Effects 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 9
- 238000006392 deoxygenation reaction Methods 0.000 claims description 8
- 238000004146 energy storage Methods 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007791 liquid phase Substances 0.000 claims description 5
- 239000007792 gaseous phase Substances 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to a kind of slot type direct steams and fuse salt combined thermal power generating system.Including direct steam system, turbine generating system, water supply heat back system and condenser system；Wherein direct steam system includes direct steam solar energy heat-collection field, vapor heat exchanger, medium temperature heat-storing device, water mixer and gas-liquid separator etc.；It further include the fuse salt collecting system with superheated steam section effect, fuse salt collecting system includes that salt cellar and superheater etc. are melted in slot type fuse salt solar energy heat-collection field, high Warm Melt salt cellar, high temperature sloppy heat.When work, the direct steam solar energy heat-collection field of the preheating of water and evaporation process in direct steam system is completed in system, and the fuse salt superheater and reheater of overheat and again thermal process in melting salt system are completed；The high temperature refrigerant of fuse salt system outlet only exchanges heat with superheater and reheater, reduces the heat exchanger internal heat transfer temperature difference, reduces the loss of heat exchanger, can make the improved efficiency 15~20% of heat generating system.
Description
Technical field
The utility model belongs to solar energy generation technology field, and in particular to a kind of solar parabolic through power generation system.
Background technique
Solar energy is to be distributed most wide, the most abundant renewable energy of reserves.In order to promote the quality of solar energy and utilize effect
Rate, solar energy high temperature heat utilization cause extensive concern.Trough type solar power generation is that current technology is most mature, and cost is minimum
Solar energy thermal-power-generating technology.Traditional conventional solar groove type heat generating system include solar thermal collection system, heat reservoir,
The part such as Heat transmission and heat-exchange system and electricity generation system forms.Solar thermal collection system include high-temperature vacuum heat-collecting tube, condenser,
Follower and relevant connection pipeline and valve.
For the power station of conduction oil and fuse salt working medium, condenser is focused on solar radiation light on parabola groove focal line
Slot type evacuated collector tube, heat-transfer working medium carry out heat convection with thermal-arrest tube wall and are heated.Then the heat-transfer working medium being heated
Steam is generated by a series of heat exchanger, the energy of steam generates electric power by Steam Power Circulation.After heating steam, pass
Hot working fluid returns to solar energy heat-collection field.The heat collecting field heating circuit of solar parabolic through power generation system is longer, therefore slot type heat
The heat waste of electricity generation system is lost mainly from heat collecting field pipeline and thermal-collecting tube.The tank-type thermal power generation system temperature of commercialized running at present
Degree is up to 400 DEG C, and in order to improve system generating efficiency, the running temperature of tank-type thermal power generation system has the tendency that further increasing.
Use fuse salt as the experiment power station maximum temperature of heat-transfer working medium up to 550 DEG C at present.With the promotion of heat collecting field temperature, collection
Exponentially type increases the heat loss of heat pipe and connecting line heat waste dramatically increases.Therefore the heat waste of slot type heat collecting field is reduced, it is right
The efficiency for improving heat generating system is significant.Simultaneously in a vapor generator, vapor boiling temperature goes out far below heat collecting field
Mouth temperature, has greater loss in heat exchanger heat transfer process.
Slot type direct steam generation technology has higher efficiency, smaller environmental pollution and lower investment, is the sun
Most potential a kind of technology in energy hot generation technology.But due to the intermittence and periodicity of solar radiation, so that system
Control problem is sufficiently complex, furthermore in thermal-collecting tube two phase flow unstability, the heat transfer deterioration of superheat section also limits direct steam
The development of generation technology.
Utility model content：
In order to improve the efficiency of tank-type thermal power generation system, cost of electricity-generating is reduced, the utility model proposes a kind of slot type is direct
Steam and fuse salt combined thermal power generating system.
A kind of slot type direct steam and fuse salt combined thermal power generating system include direct steam system 2, steam turbine power generation system
System 5, water supply heat back system 3 and condenser system 4；
The turbine generating system 5 includes steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder and generator
Group；
The water supply heat back system 3 includes high pressure heat exchanger, low pressure heat exchanger, deoxygenation water tank, fore pump and condensate pump；
The low pressure heat exchanger is connect with low pressure (LP) cylinder；The high pressure heat exchanger is connect with steam turbine high-pressure cylinder；The deoxygenation water tank difference
It is connect with Steam Turbine Through IP Admission, low pressure heat exchanger, fore pump and high pressure heat exchanger；
The condenser system 4 includes cooling tower and condenser；The condenser is returned with turbine low pressure cylinder and water supply respectively
The entrance of the condensate pump of hot systems 3 connects；
The direct steam system 2 includes direct steam solar energy heat-collection field 20, water pump 21, fluid reservoir 22, steam heat-exchanging
Device 23, medium temperature heat-storing device 24, water mixer 25 and gas-liquid separator 26；The entrance of the direct steam solar energy heat-collection field 20
It is sequentially connected in series water pump 21, fluid reservoir 22 and water mixer 25；The outlet of direct steam solar energy heat-collection field 20 is connected to gas-liquid
The entrance of separator 26；The gaseous phase outlet of gas-liquid separator 26 is connected to the steam inlet of superheater 15, gas-liquid separator 26
Liquid-phase outlet is connected to the entrance of water mixer 25；The vapor heat exchanger 23 it is in parallel direct steam solar energy heat-collection field 20；
The medium temperature heat-storing device 24 imports and exports the heat accumulation working medium exit port that respectively connected vapor heat exchanger 23；
It further include fuse salt collecting system 1, the fuse salt collecting system 1 includes slot type fuse salt solar energy heat-collection field
10, salt cellar 11, melting salt pump 12, expansion drum 13, fuse salt mixer 14, overheat are melted in high Warm Melt salt cellar 18, high temperature sloppy heat
Device 15, reheater 16 and fused salt current divider 17；The entrance of the fuse salt solar energy heat-collection field 10 is sequentially connected in series melting salt pump
12, expansion drum 13 and fuse salt mixer 14, between the entrance and the outlet of melting salt pump 12 of fuse salt solar energy heat-collection field 10
Salt cellar 11 is melted by concatenated second valve, 110 parallel connection high temperature sloppy heat on pipeline；The fuse salt solar energy heat-collection field 10
Outlet is sequentially connected in series fuse salt current divider 17, overheat mechanism and fuse salt mixer 14, and the overheat mechanism is by mistake in parallel
Hot device 15 and reheater 16 are constituted；Pipeline between 17 entrance of outlet and fuse salt current divider of fuse salt solar energy heat-collection field 10
It is upper by concatenated first valve 19 it is in parallel high Warm Melt salt cellar 18, the outlet of high Warm Melt salt cellar 18 connect pump
111；15 steam (vapor) outlet of superheater is connected to the steam inlet of steam turbine high-pressure cylinder；16 steam (vapor) outlet of the reheater connection
The steam inlet of Steam Turbine Through IP Admission；The fuse salt collecting system 1 has the function of superheated steam section；
When work, the direct steam solar energy heating of the preheating of water and evaporation process in direct steam system 2 in system
Field 20 is completed, and the reheater 16 and superheater 15 of overheat and again thermal process in fuse salt collecting system 1 are completed.
The technical solution further limited is as follows：
The medium temperature heat-storing device 24 is phase-change energy storage device or double tank fuse salt energy storage devices or single tank mesolimnion energy storage
Device or latent heat concrete heat-storing device.
The direct steam solar energy heat-collection field 20 includes slot type direct steam slot type thermal-collecting tube, slot-type optical collector, tracking
Mechanism, steam connection tube road and pump and valve, routinely the connection relationship connection of solar energy heat-collection field.
The fuse salt solar energy heat-collection field 10 includes slot type fuse salt thermal-collecting tube, slot-type optical collector, follower, melting
Salt connecting line and associated pump and valve, routinely the connection relationship connection of solar energy heat-collection field.
The condenser system 4 is water-cooled condenser or air-cooled condenser.
The turbine low pressure cylinder is that the low pressure (LP) cylinder of second level or more is composed in series.
The advantageous effects of the utility model embody in the following areas：
1. two class systems are effectively combined by using slot type direct steam and fuse salt combined thermal power generating system
Get up to have complementary advantages.Unlike the collecting system of conventionally employed single working medium：The preheating of water and evaporation process are direct
Direct steam solar energy heat-collection field in vapour system is completed, the fuse salt overheat of overheat and again thermal process in melting salt system
Device and reheater are completed.
2. the high temperature refrigerant of fuse salt system outlet only exchanges heat with superheater and reheater, reduces and passed inside heat exchanger
The hot temperature difference reduces the loss of heat exchanger.Also make heat collecting field high-temperature molten salt loop length traditional fused salt thermal-arrest system relatively simultaneously
System reduces 60~70%, fair weather heat collecting field thermal loss on daytime can be made to reduce 30~40%, night insulation heat tracing energy disappears
Depletion is small by 50~60%, therefore the utility model can make the improved efficiency 15~20% of heat generating system.
3. direct steam system eliminates superheated steam section relative to conventional vapor system.In direct steam solar energy collection
The gas-liquid separator of thermal field outlet setting can guarantee the steam output of steadiness parameter, make direct steam solar energy heat-collection field can be with
Using biggish water flow, the heat transfer stability of two phase flow is improved, while eliminating traditional direct steam system overheat steam segment
Destruction of the heat transfer deterioration to thermal-collecting tube.Reheating and overheat are carried out to steam using high-temperature fusion salt circuit, output is can be improved and steams
Vapour parametric stability improves system run all right.
4. the usage amount of fuse salt can be greatly decreased in the utility model, power station initial investment cost is significantly reduced, is reduced single
Position power cost.
Detailed description of the invention
Fig. 1 show the schematic diagram of the utility model slot type direct steam Yu fuse salt combined thermal power generating system.
Fig. 2 show the schematic diagram of the utility model melting salt system.
Fig. 3 show the schematic diagram of the utility model direct steam system.
Serial number in upper figure：Fuse salt collecting system 1, direct steam collecting system 2, water supply heat back system 3, condenser system 4,
Salt cellar 11 is melted in turbine generating system 5, slot type fuse salt solar energy heat-collection field 10, high temperature sloppy heat, melts salt pump 12, expansion drum
13, fuse salt mixer 14, superheater 15, reheater 16, fuse salt current divider 17, high Warm Melt salt cellar 18, the first valve
19, direct steam solar energy heat-collection field 20, water pump 21, fluid reservoir 22, vapor heat exchanger 23, medium temperature heat-storing device 24, water mixing
Device 25, gas-liquid separator 26, steam valve 27, the second valve 110, pump 111.
Specific embodiment：
It is practical new to this by embodiment below with reference to figure in order to further illustrate the characteristics of the utility model and function
Type is described in detail.
Referring to Fig. 1, a kind of slot type direct steam and fuse salt combined thermal power generating system include direct steam system 2, steamer
Machine electricity generation system 5, water supply heat back system 3, condenser system 4 and fuse salt collecting system 1.
Turbine generating system 5 includes steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder and generating set,
Wherein turbine low pressure cylinder is that three low pressure (LP) cylinders of second level or more are composed in series.
Water supply heat back system 3 includes high pressure heat exchanger, low pressure heat exchanger, deoxygenation water tank, fore pump and condensate pump；It is described
Low pressure heat exchanger is connect with low pressure (LP) cylinder；The high pressure heat exchanger is connect with steam turbine high-pressure cylinder；The deoxygenation water tank respectively with vapour
Turbine intermediate pressure cylinder, low pressure heat exchanger, fore pump are connected with high pressure heat exchanger.
Condenser system 4 is water-cooled condenser, including cooling tower and condenser；Condenser respectively with turbine low pressure cylinder and give
The entrance of the condensate pump of water heat regenerative system 3 connects.
Referring to fig. 2, direct steam system 2 includes direct steam solar energy heat-collection field 20, water pump 21, fluid reservoir 22, steam
Heat exchanger 23, medium temperature heat-storing device 24, water mixer 25 and gas-liquid separator 26.Direct steam solar energy heat-collection field 20 includes slot
Formula direct steam slot type thermal-collecting tube, slot-type optical collector, follower, steam connection tube road and pump and valve, routinely solar energy
The connection relationship of heat collecting field connects；The entrance of direct steam solar energy heat-collection field 20 is sequentially connected in series water pump 21,22 and of fluid reservoir
Water mixer 25.The outlet of direct steam solar energy heat-collection field 20 is connected to the entrance of gas-liquid separator 26；Gas-liquid separator 26
Gaseous phase outlet be connected to the steam inlet of superheater 15, the liquid-phase outlet of gas-liquid separator 26 is connected to entering for water mixer 25
Mouthful.Vapor heat exchanger 23 it is in parallel direct steam solar energy heat-collection field 20.Medium temperature heat-storing device 24 is phase-change energy storage device, medium temperature
Heat-storing device 24 imports and exports the heat accumulation working medium exit port that respectively connected vapor heat exchanger 23.
Referring to Fig. 3, fuse salt collecting system 1 has the function of superheated steam section；Fuse salt collecting system 1 is molten including slot type
Melt salt solar energy heat-collection field 10, salt cellar 11 is melted in high Warm Melt salt cellar 18, high temperature sloppy heat, melting salt pump 12, expansion drum 13, melting
Salt mixer 14, superheater 15, reheater 16 and fused salt current divider 17；Fuse salt solar energy heat-collection field 10 includes slot type fuse salt
Thermal-collecting tube, slot-type optical collector, follower, fuse salt connecting line and associated pump and valve, routinely solar energy heat-collection field
Connection relationship connection.The entrance of fuse salt solar energy heat-collection field 10 is sequentially connected in series melting salt pump 12, expansion drum 13 and fuse salt
Mixer 14 passes through concatenated second on the pipeline between the entrance of fuse salt solar energy heat-collection field 10 and the outlet of melting salt pump 12
Valve 110 it is in parallel high temperature sloppy heat melt salt cellar 11；The outlet of the fuse salt solar energy heat-collection field 10 is sequentially connected in series fuse salt
Current divider 17, overheat mechanism and fuse salt mixer 14, the overheat mechanism are made of superheater 15 and reheater 16 in parallel；
Pass through concatenated first valve on pipeline between 17 entrance of outlet and fuse salt current divider of fuse salt solar energy heat-collection field 10
19 high Warm Melt salt cellars 18 in parallel, the outlet of high Warm Melt salt cellar 18, which is connected, pumps 111；15 steam of superheater goes out
Mouth is connected to the steam inlet of steam turbine high-pressure cylinder；The steam that 16 steam (vapor) outlet of reheater is connected to Steam Turbine Through IP Admission enters
Mouthful.
The Stream temperature degree of the steam turbine used in turbine generating system 5 is 540 DEG C, pressure 13Mpa, reheat steam temperature
For 540 DEG C of pressure 1.8Mpa, 222 DEG C of feed temperature.
When work, the direct steam solar energy heating of the preheating of water and evaporation process in direct steam system 2 in system
Field 20 is completed, and the reheater 16 and superheater 15 of overheat and again thermal process in fuse salt collecting system 1 are completed.
Concrete operating principle is described as follows：
Water in the fluid reservoir 22 of direct steam system 2 is transported to direct steam solar energy heat-collection field 20, water through water pump 21
It is preheated in direct steam solar energy heat-collection field 20, boiling, with 330 DEG C of gas-vapor mix state from direct steam solar energy collection
Thermal field 20 exports, and gas-vapor mix a part enters vapor heat exchanger 23 and medium temperature energy storage device 24 exchanges heat, and condenses into water return
20 entrance of direct steam solar energy heat-collection field；Another part is satisfied through gas-liquid separator 26, the liquid-phase outlet of gas-liquid separator 26
It is mixed in water mixer 25 with water with the water supply that water supply heat back system 3 exports and returns to direct steam solar energy heat-collection field 20, gas
The dry saturated steam of the gaseous phase outlet of liquid/gas separator 26 enters superheater 15.At night or wet weather etc. without the solar irradiation period, close
The steam valve 27 connecting with direct steam solar energy heat-collection field 20 is closed, sees that Fig. 3, Loop Water are preheated through vapor heat exchanger 23, is boiled
It rises, successively passes through gas-liquid separator 26, steam generates high temperature and high pressure steam through superheater 15, and the liquid phase of gas-liquid separator 26 returns
Water mixer 25 mixes one heat cycles of completion again with water supply.
340 DEG C of fuse salts in the expansion drum 13 of fuse salt collecting system 1 are transported to the fuse salt sun through melting salt pump 12
Energy heat collecting field 10 is heated to 550 DEG C in fuse salt solar energy heat-collection field 10, and a part enters in high Warm Melt salt cellar 18, and one
Part respectively enters superheater 15 through fuse salt current divider 17 and reheater 16 heats steam, and fuse salt temperature is down to 340 DEG C, with
Part high temperature sloppy heat melts fuse salt mixing in salt cellar 11 and returns to fuse salt solar energy heat-collection field 10.At night or wet weather etc. without too
Positive irradiation time section closes the first valve 19 and the second valve 110 connecting with fuse salt solar energy heat-collection field 10, sees Fig. 2, high
Fuse salt in Warm Melt salt cellar 18 is through pump 111（See Fig. 2）It is delivered to superheater 15 and reheater 16, fuse salt temperature is down to
340 DEG C melt salt cellar 11 into high temperature sloppy heat.
In turbine generating system 5, the superheated steam generated through superheater 15 enters the high pressure of turbine generating system
Cylinder completes expansion work in high pressure cylinder, and through gas-liquid separator 26, high pressure heat exchanger, reheater 16 continues to expand into intermediate pressure cylinder
Acting；Intermediate pressure cylinder exhaust a part enters first order low pressure (LP) cylinder and continues expansion work, and a part enters deoxygenation water tank；The first order is low
Cylinder pressure exhaust a part enters first order low pressure heat exchanger, and another part enters second level low pressure (LP) cylinder；The exhaust of second level low pressure (LP) cylinder
A part enters second level low pressure heat exchanger, and another part enters third level low pressure (LP) cylinder；The exhaust of third level low pressure (LP) cylinder enters condensation
Device is condensed into water successively through first and second grade of low pressure heat exchanger, deoxygenation water tank, high pressure heat exchanger, into direct steam solar energy collection
Thermal field 20.
The utility model is described above in conjunction with attached drawing, but the utility model is not limited to above-mentioned specific reality
Mode is applied, those skilled in the art are under the enlightenment of the utility model, the case where not departing from the utility model aims
Under, it improves and finely tunes and belong within the protection of the utility model.
Claims (6)
1. a kind of slot type direct steam and fuse salt combined thermal power generating system, including direct steam system（2）, steam turbine power generation system
System（5）, water supply heat back system（3）And condenser system（4）；
The turbine generating system（5）Including steam turbine high-pressure cylinder, Steam Turbine Through IP Admission, turbine low pressure cylinder and generator
Group；
The water supply heat back system（3）Including high pressure heat exchanger, low pressure heat exchanger, deoxygenation water tank, fore pump and condensate pump；Institute
Low pressure heat exchanger is stated to connect with low pressure (LP) cylinder；The high pressure heat exchanger is connect with steam turbine high-pressure cylinder；The deoxygenation water tank respectively with
Steam Turbine Through IP Admission, low pressure heat exchanger, fore pump are connected with high pressure heat exchanger；
The condenser system（4）Including cooling tower and condenser；The condenser respectively with turbine low pressure cylinder and water supply backheat
System（3）Condensate pump entrance connection；It is characterized in that：
The direct steam system（2）Including direct steam solar energy heat-collection field（20）, water pump（21）, fluid reservoir（22）, steam
Heat exchanger（23）, medium temperature heat-storing device（24）, water mixer（25）And gas-liquid separator（26）；The direct steam solar energy collection
Thermal field（20）Entrance be sequentially connected in series water pump（21）, fluid reservoir（22）And water mixer（25）；Direct steam solar energy heating
?（20）Outlet be connected to gas-liquid separator（26）Entrance；Gas-liquid separator（26）Gaseous phase outlet be connected to superheater
（15）Steam inlet, gas-liquid separator（26）Liquid-phase outlet be connected to water mixer（25）Entrance；The steam heat-exchanging
Device（23）Direct steam solar energy heat-collection field in parallel（20）；The medium temperature heat-storing device（24）Inlet and outlet respectively connected steam
Heat exchanger（23）Heat accumulation working medium exit port；
It further include fuse salt collecting system（1）, the fuse salt collecting system（1）Including slot type fuse salt solar energy heat-collection field
（10）, high Warm Melt salt cellar（18）, high temperature sloppy heat melt salt cellar（11）, melting salt pump（12）, expansion drum（13）, fuse salt mixing
Device（14）, superheater（15）, reheater（16）With fuse salt current divider（17）；The fuse salt solar energy heat-collection field（10）Enter
Mouth is sequentially connected in series melting salt pump（12）, expansion drum（13）With fuse salt mixer（14）, fuse salt solar energy heat-collection field（10）
Entrance and melting salt pump（12）Pass through concatenated second valve on pipeline between outlet（110）The cold fuse salt of high temperature in parallel
Tank（11）；The fuse salt solar energy heat-collection field（10）Outlet be sequentially connected in series fuse salt current divider（17）, overheat mechanism and
Fuse salt mixer（14）, the overheat mechanism is by superheater in parallel（15）And reheater（16）It constitutes；Fuse salt solar energy
Heat collecting field（10）Outlet and fuse salt current divider（17）Pass through concatenated first valve on pipeline between entrance（19）It is in parallel
High Warm Melt salt cellar（18）, high Warm Melt salt cellar（18）Outlet connect pump（111）；The superheater（15）Steam
Outlet is connected to the steam inlet of steam turbine high-pressure cylinder；The reheater（16）Steam (vapor) outlet is connected to the steaming of Steam Turbine Through IP Admission
Vapour entrance；
The fuse salt collecting system（1）Has the function of superheated steam section；
When work, the preheating of water and evaporation process are in direct steam system in system（2）In direct steam solar energy heat-collection field
（20）It completes, overheat and again thermal process are in fuse salt collecting system（1）In reheater（16）And superheater（15）It completes.
2. a kind of slot type direct steam according to claim 1 and fuse salt combined thermal power generating system, which is characterized in that institute
State medium temperature heat-storing device（24）For phase-change energy storage device or double tank fuse salt energy storage devices or single tank mesolimnion energy storage device or show
Hot concrete heat-storing device.
3. a kind of slot type direct steam according to claim 1 and fuse salt combined thermal power generating system, which is characterized in that institute
State direct steam solar energy heat-collection field（20）Including slot type direct steam slot type thermal-collecting tube, slot-type optical collector, follower, steam
Connecting line and pump and valve.
4. a kind of slot type direct steam according to claim 1 and fuse salt combined thermal power generating system, which is characterized in that institute
State fuse salt solar energy heat-collection field（10）Including slot type fuse salt thermal-collecting tube, slot-type optical collector, follower, fuse salt connecting tube
Road and associated pump and valve.
5. a kind of slot type direct steam according to claim 1 and fuse salt combined thermal power generating system, which is characterized in that institute
State condenser system（4）For water-cooled condenser or air-cooled condenser.
6. a kind of slot type direct steam according to claim 1 and fuse salt combined thermal power generating system, which is characterized in that institute
The low pressure (LP) cylinder that turbine low pressure cylinder is second level or more is stated to be composed in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375829.3U CN208123012U (en) | 2018-03-20 | 2018-03-20 | A kind of slot type direct steam and fuse salt combined thermal power generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375829.3U CN208123012U (en) | 2018-03-20 | 2018-03-20 | A kind of slot type direct steam and fuse salt combined thermal power generating system |
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| Publication Number | Publication Date |
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| CN208123012U true CN208123012U (en) | 2018-11-20 |
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|---|---|---|---|
| CN201820375829.3U Withdrawn - After Issue CN208123012U (en) | 2018-03-20 | 2018-03-20 | A kind of slot type direct steam and fuse salt combined thermal power generating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561282A (en) * | 2018-03-20 | 2018-09-21 | 中国科学技术大学 | A kind of slot type direct steam and fuse salt combined thermal power generating system |
| CN110242523A (en) * | 2019-06-17 | 2019-09-17 | 宋凤玲 | A kind of fused salt electricity generation system with energy storage function |
| CN113669715A (en) * | 2021-10-22 | 2021-11-19 | 杭州锅炉集团股份有限公司 | Energy storage peak shaving system suitable for reheating unit steam heating fused salt |
-
2018
- 2018-03-20 CN CN201820375829.3U patent/CN208123012U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561282A (en) * | 2018-03-20 | 2018-09-21 | 中国科学技术大学 | A kind of slot type direct steam and fuse salt combined thermal power generating system |
| CN108561282B (en) * | 2018-03-20 | 2024-01-09 | 中国科学技术大学 | Trough type direct steam and molten salt combined thermal power generation system |
| CN110242523A (en) * | 2019-06-17 | 2019-09-17 | 宋凤玲 | A kind of fused salt electricity generation system with energy storage function |
| CN113669715A (en) * | 2021-10-22 | 2021-11-19 | 杭州锅炉集团股份有限公司 | Energy storage peak shaving system suitable for reheating unit steam heating fused salt |
| CN113669715B (en) * | 2021-10-22 | 2022-01-07 | 杭州锅炉集团股份有限公司 | Energy storage peak shaving system suitable for reheating unit steam heating fused salt |
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