A kind of wind light generation joint electric heat storage comprehensive energy supply system
Technical field
The present invention relates to solar light-heat power-generation technical fields, and in particular to a kind of comprehensive energy of wind light generation joint electric heat storage
Source supplying system.
Background technique
Currently, solar energy thermal-power-generating mainly has 4 kinds of forms, slot type, tower, dish-style and Fresnel, disc type solar energy list
Body capacity is smaller, is generally not easy to realize scale, intensive, Fresnel heat-collecting temperature is lower, pushes Steam Power Circulation effect
Rate is lower, so developing high parameter, the technology path of large capacity solar energy thermo-power station is mainly slot type and tower type solar.Closely
Nian Lai, solar energy thermal-power-generating development in China's is very fast, has had more solar energy thermo-power stations building, the technology path of use
Mainly slot type and tower.
Currently, groove type solar, tower type solar are to separate independent operating, groove type solar heat-collecting temperature is lower, one
As at 400 DEG C or less.The low steam cycle efficiency for leading to rear end of heat-collecting temperature also accordingly reduces, so entire light heat to electricity conversion effect
Rate is relatively low, and generally below 20%.Although heat-collecting temperature can be improved in tower type solar, improve the heat to electricity conversion effect of rear end
Rate, but have mirror field capacity excessive using tower type solar merely, excessive Jing Chang causes tracking, optically focused difficult, tracking system
Error can also increase, the temperature of heat collector also be easy overtemperature the problems such as.Although the country has patent (CN20181060020) open
The tower combined generating system of slot type, but the double tanks used, the art of this patent route have very big difference therewith.
The present invention proposes a kind of wind light generation joint electric heat storage comprehensive energy supply system, configures electric heat storage system, three tanks
Heat reservoir and heating system, may be implemented solar energy thermal-power-generating when solar radiation is strong, while by wind-powered electricity generation, the energy of photovoltaic power generation
Amount classification be injected into heat reservoir, when solar irradiation is inadequate, complete to generate electricity jointly by solar energy and heat accumulation, when without the sun by
Three tank heat reservoirs discharge heat and complete power generation, and heat reservoir heat can be directly used for heating.
The present invention realizes the coupling combined operating of wind-power electricity generation, solar power generation and electric heat storage, realizes electric energy and heat
The joint supply of energy improves clean energy resource utilization rate, realizes energy storage by three fused salt tanks, guarantees uninterrupted power generation, real
Existing peaking operation, the modularized design of use are conducive to the reliability of raising system and convenient for system maintenance.
Summary of the invention
To solve deficiency in the prior art, the present invention provides a kind of wind light generation joint electric heat storage comprehensive energy supply system
System.Including groove type solar heat collecting field, tower type solar heliostat field, tower type solar recipient, honourable charging-discharging controller,
Battery, steam turbine, generator, which is characterized in that further include the first fused salt tank, superheater, aerial cooler, feed pump, to
Water preheater, steam generator, the second fused salt tank, third fused salt tank, oily salt heat exchanger, steam control valve door, the first triple valve,
Jet chimney, heat conducting oil pipe, Heat-transfer Oil Pump, third pump for liquid salts, the first pump for liquid salts, the second pump for liquid salts, the first electric heater,
Two electric heaters, third electric heater, the second triple valve, water pump, heating terminal, water salt heat exchanger;
The Heat-transfer Oil Pump is sent to oil after cold oil is sent to the heating of groove type solar heat collecting field by heat conducting oil pipe
Salt heat exchanger is to heat fused salt working medium;Sunray is gathered tower type solar by the tracking sun operation of tower type solar heliostat
The fused salt of third fused salt tank is driven into oily salt heat exchanger and absorbed heat by recipient, third pump for liquid salts, the outlet fused salt of oily salt heat exchanger
A part of fused salt is sent to by the second fused salt tank by the first triple valve after temperature raising, rest part fused salt is sent to the tower sun
It can continue to be sent to the first fused salt tank after heat absorption is heated in recipient, the fused salt in the first fused salt tank is sent to by the first pump for liquid salts
Superheater, flow through superheater temperature of molten salt reduce after mixed with the second pump for liquid salts from the fused salt that the second fused salt tank is got after be sent into
To steam generator, third fused salt tank is flowed to through feed water preheater after the temperature of molten salt decline of steam generator outlet;Superheater
The superheated steam of outlet is sent to steam turbine, pushing turbine rotation acting, generator by jet chimney, steam control valve door
It is connected with steam turbine;The exhaust of steam turbine is sent to aerial cooler and is condensed, condensed water by feed pump be sent to
Water heater heating proceeds to steam generator heating, and the saturated vapor of steam generator outlet, which flows to superheater, to be continued to heat,
The superheated steam of superheater outlet flows to steam turbine, realizes thermodynamic cycle;
The power generation of wind-powered electricity generation place can be linked into wind-powered electricity generation bus rod, and solar photovoltaic assembly, which generates electricity, can be linked into photovoltaic conflux
Bus, bus rod are linked into after scene fills electricity generating controller and connect with battery, battery and the first electric heater, the second electricity
Heater, third electric heater parallel running.
The fused salt of third fused salt tank is sent into after the heat exchanger heat release of water salt by the second triple valve and is sent into the by third pump for liquid salts
Three fused salt tanks;After recirculated water is sent into the heating of water salt heat exchanger by water pump, after being sent into heating terminal heat release, the heat exchange of water salt is turned again to
Device heat absorption.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the Heat-transfer Oil Pump will
Cold oil is sent to groove type solar heat collecting field by heat conducting oil pipe and is heated to 395 DEG C.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the oil salt heat exchanger
Outlet temperature be increased to 390 DEG C.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the rest part is molten
Salt, which is sent in tower type solar recipient to continue to absorb heat, is heated to 565 DEG C.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the tower type solar
Fused salt in recipient is sent to superheater by valve.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: described flow through steam hair
Raw device temperature of molten salt is reduced to 290 DEG C.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the superheater outlet
Superheated steam be heated to 555 DEG C.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the groove type solar
Heat collecting field, tower type solar heliostat field are equipped with reserved Dilatation interface;The groove type solar heat collecting field is by multiple thermal-arrest lists
Element series and parallel is constituted.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the wind power plant, the sun
Can photovoltaic module generate electricity can pass through respectively the first electric heater, the second electric heater, third electric heater for the first fused salt tank,
Fused salt heats in second fused salt tank, third fused salt tank.
A kind of wind light generation above-mentioned combines electric heat storage comprehensive energy supply system, it is characterized in that: the heating terminal is
All types of water heating terminal installation series and parallels are constituted.
Advantageous effects of the invention: the present invention realizes the coupling of wind-power electricity generation, solar power generation and electric heat storage
Combined operating realizes the joint supply of electric energy and thermal energy, improves clean energy resource utilization rate, realizes storage by three fused salt tanks
Can, guarantee uninterrupted power generation, realize peaking operation, the modularized design of use, be conducive to raising system reliability and
Convenient for system maintenance.
Detailed description of the invention
Fig. 1 is that a kind of slot type tower type solar of the embodiment of the present invention combines honourable heat accumulation electricity generation system schematic diagram;
The meaning of symbol in figure: 1- groove type solar light and heat collection field, 2- tower type solar heliostat, 3- tower type solar
Receiver, the first fused salt tank of 4-, 5- superheater, 6- steam control valve door, 7- steam turbine, 8- generator, 9- aerial cooler,
10- feed pump, 11- feed-water heater, 12- steam generator, 13- valve, the second fused salt tank of 14-, the first triple valve of 15-, 16-
Oily salt heat exchanger, 17- third fused salt tank, 18- fused salt pipeline, 19- jet chimney, 20- feedwater piping, 21- heat conducting oil pipe,
22- Heat-transfer Oil Pump, 23- third pump for liquid salts, the first pump for liquid salts of 24-, the second pump for liquid salts of 25-, 26- wind power plant, 27- photovoltaic
Component, 28- scene charging-discharging controller, 29 batteries, the first electric heat storage of 30- boiler, the second electric heat storage of 31- boiler, 32- third
Electric heat storage boiler, 33- wind-powered electricity generation bus rod, 34- photovoltaic conflux bus, 35- connecting conducting wire, the second triple valve of 36-, 37- water pump,
38- heating terminal, 39- water salt heat exchanger, 40- waterpipe.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, a kind of slot type tower type solar combines honourable heat accumulation electricity generation system, including groove type solar heat collecting field
1, tower type solar heliostat field 2, tower type solar recipient 3, the first fused salt tank 4, superheater 5, steam turbine 7, generator 8,
Aerial cooler 9, feed pump 10, feed-water heater 11, steam generator 12, the second fused salt tank 14, third fused salt tank 17, oily salt
Heat exchanger 16, steam control valve door 6, valve 13, the first three-way valve 15, fused salt pipeline 18, jet chimney 19, waterpipe 20,
Heat conducting oil pipe 21, Heat-transfer Oil Pump 22, third pump for liquid salts 23, the second molten pump for liquid salts 25, the first molten pump for liquid salts 24, the first electric heating
Device 30, the second electric heater 31, third electric heater 32, the second triple valve 36, water pump 37, heating terminal 38, water salt heat exchanger
39, waterpipe 40;
Cold oil is sent to groove type solar heat collecting field 1 by heat conducting oil pipe 21 and is heated to 395 by the Heat-transfer Oil Pump 22
DEG C or so, after be sent to oily salt heat exchanger 16 to heat fused salt working medium.Tower type solar heliostat 2 tracks sun operation for the sun
For light-ray condensing to tower type solar recipient 3, the fused salt of third fused salt tank 17 is driven into oily salt heat exchanger by third pump for liquid salts 23
16 heat absorptions, the outlet temperature of oily salt heat exchanger 16 are increased to 390 DEG C or so, then by the first three-way valve 15 that a part is molten
Salt is sent to the second fused salt tank 14, and rest part fused salt, which is sent in tower type solar recipient 3 to continue to absorb heat, is heated to 565 DEG C of left sides
565 DEG C or so of high-temperature molten salt working medium is sent to the first fused salt tank 4 by the right side, tower type solar recipient 3, and the first pump for liquid salts 24 will
High-temperature molten salt in first fused salt tank 4 is sent to superheater 5, can also be by valve 13 by 565 DEG C or so of high-temperature molten salt working medium
It is sent directly into superheater 5,5 temperature of molten salt of superheater is flowed through and is reduced to 290 DEG C with the second pump for liquid salts 25 from the second fused salt tank 14
The middle temperature molten salt mixing got, is sent to steam generator 12, and the low-temperature molten salt temperature that steam generator 12 exports drops to 290
DEG C or so flow to third fused salt tank 17.555 DEG C of superheated steam or so of the outlet of superheater 5 are adjusted by jet chimney 19, steam
Valve 6 is sent to steam turbine 7, the rotation acting of pushing turbine 7, and generator 8 is connected with steam turbine 7, converts mechanical energy into
Electric energy.The exhaust of steam turbine 7 is sent to aerial cooler 9 and is condensed, and condensed water is sent to water supply heating by feed pump 10
Device 11 heats, and proceeds to the heating of steam generator 12, and the saturated vapor that steam generator 12 exports, which flows to superheater 5, to be continued to add
Heat, the superheated steam that superheater 5 exports flow to steam turbine, realize thermodynamic cycle.
Wind power plant 26, which generates electricity, can be linked into wind-powered electricity generation bus rod 33, and solar photovoltaic assembly 27, which generates electricity, can be linked into light
Bus rod 34 is lied prostrate, bus rod is linked into scene and fills electricity generating controller 28, connect afterwards with battery group 29, battery 29 and the
One electric heat storage boiler 30, the second electric heat storage boiler 31,32 parallel running of third electric heat storage boiler;First electric heat storage boiler 30,
Two electric heat storage boilers 31, third electric heat storage boiler 32 are respectively the first fused salt tank 4, the second fused salt tank 14, in third fused salt tank 17
Fused salt heating.
The fused salt of third fused salt tank 17 is sent into 39 heat release of water salt heat exchanger by the second triple valve 36 by third pump for liquid salts 23
It is sent into third fused salt tank 17 afterwards;After recirculated water is sent into the heating of water salt heat exchanger 39 by water pump 37, after being sent into heating 38 heat release of terminal,
Turn again to the heat absorption of water salt heat exchanger 39.This design allows this system to realize thermoelectricity decoupling supply, and meeting practical use can feature.
Solar radiant energy is converted to temperature-heat-source in 395 DEG C by groove type solar heat collecting field 1, by groove type solar condenser and
Receiver assembly is constituted;
Solar radiant energy is converted to 565 DEG C of high temperature heat sources by tower type solar recipient 3;
Groove type solar heat collecting field 1, tower type solar recipient 3, third fused salt tank 17, the second fused salt tank 14, first are molten
Salt cellar 4 can with combined operating, generate 565 DEG C or so high-temperature molten salt working medium and 390 DEG C or so in temperature molten salt, heat to water saturation
Steam, pushing turbine 7, the acting power generation of generator 8.
Groove type solar heat collecting field 1, tower type solar heliostat field 2 are equipped with reserved Dilatation interface.
Groove type solar heat collecting field 1 is made of multiple heat collection unit part series and parallels.
There are three types of operational mode, solar power generation operation, solar energy and the operation of heat accumulation cogeneration and heat accumulations for the tool of generator 8
Power generation.
The present invention realizes the coupling combined operating of wind-power electricity generation, solar power generation and electric heat storage, realizes electric energy and heat
The joint supply of energy improves clean energy resource utilization rate, realizes energy storage by three fused salt tanks, guarantees uninterrupted power generation, real
Existing peaking operation, the modularized design of use are conducive to the reliability of raising system and convenient for system maintenance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.