CN108692309A - A kind of Jie's heat reservoir and steam power plant's heat-exchange system admittedly - Google Patents
A kind of Jie's heat reservoir and steam power plant's heat-exchange system admittedly Download PDFInfo
- Publication number
- CN108692309A CN108692309A CN201810435703.5A CN201810435703A CN108692309A CN 108692309 A CN108692309 A CN 108692309A CN 201810435703 A CN201810435703 A CN 201810435703A CN 108692309 A CN108692309 A CN 108692309A
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- Prior art keywords
- jie
- heat
- heat exchanger
- thermosetting
- tank
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- Pending
Links
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 81
- 239000007787 solid Substances 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000005338 heat storage Methods 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 23
- 239000004576 sand Substances 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 12
- 238000007710 freezing Methods 0.000 claims description 7
- 230000008014 freezing Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000035508 accumulation Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
- F01K17/025—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic in combination with at least one gas turbine, e.g. a combustion gas turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
- F22G7/12—Steam superheaters characterised by location, arrangement, or disposition in flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
One kind is situated between heat reservoir admittedly, including thermosetting Jie tank, freezes off Jie's tank and at least one thermosetting Jie heat exchanger and one freezes off Jie's heat exchanger;Heat exchanger is using solid heat-storage medium as heat-exchange working medium.Thermosetting Jie's tank inlet and outlet respectively with freeze off Jie's heat exchanger and thermosetting Jie's heat exchanger is connected.Freeze off Jie's tank inlet and outlet respectively with thermosetting Jie heat exchanger and freeze off Jie's heat exchanger and be connected.Thermosetting Jie's tank is exported is provided with regulating valve between thermosetting Jie's heat exchanger.It freezes off between Jie's tank exports and freeze off Jie's heat exchanger and is provided with solid Jie's feed pump.A kind of steam power plant's heat-exchange system, including boiler back end ductwork, back-end ductwork heating surface, superheater, drum, Turbo-generator Set, feed pump and the heat reservoir that is situated between admittedly.Drum is connected with back-end ductwork heating surface, superheater, superheater respectively with Turbo-generator Set and freeze off Jie's heat exchanger and be connected.Turbo-generator Set is connected with thermosetting Jie's heat exchanger.The present invention has many advantages, such as that simple in structure, comprehensive utilization of energy degree is high.
Description
Technical field
The present invention relates to a kind of heat reservoir of Jie admittedly and steam power plant's heat-exchange systems of application Jie's heat reservoir admittedly, belong to thermal energy
Store and utilize field.
Background technology
With the fast development of science and technology, China's power generation industry becomes increasingly prosperous, however power surplus causes greatly
Waste, thus energy storage technology is increasingly becoming the hot spot of contemporary scientific research.The energy mainly can be with the shape of electric energy, thermal energy and mechanical energy
Formula is stored.Electricity storage technology includes secondary cell and capacitor, and the technology stored in the form of mechanical energy mainly has compression empty
Gas and dam, four have fast response time, and the higher advantage of efficiency, but itself or of high cost or memory capacity are smaller.
Heat-storage technology is that the thermal energy storages such as solar energy, geothermal energy, industrial exhaust heat, low-grade exhaust heat are got up using heat accumulating as medium,
It is discharged when needed, to solve the mismatch between power generation and consumption, improves a kind of technology of energy utilization rate.Mesh
Heat-storage medium used in preceding heat-storage technology is mostly fuse salt, however fused salt is of high cost, and maintains the power consumption needed for fused salt flowing
It is larger.
Invention content
The purpose of the present invention is to provide a kind of Jie's heat reservoir and steam power plant's heat-exchange systems admittedly, to include sand, ceramics
Particle, silicon-carbide particle one or more mixtures solid particle as heat-storage medium, utilize the storage of the solid particles such as sand
Thermal medium has the advantages that high temperature resistant, easily obtains, is of low cost, and energy storage technology is applied in steam power plant, surplus can be stored
Thermal energy, further increase the peak modulation capacity of steam power plant's electricity generation system, realize the reasonable utilization of the energy.
The present invention is achieved through the following technical solutions:
A kind of heat reservoir that is situated between admittedly, the heat reservoir include thermosetting Jie tank, freeze off Jie's tank and at least two heat exchangers,
Described two heat exchangers include at least thermosetting Jie heat exchanger and one freezes off Jie's heat exchanger;The heat exchanger is with solid heat accumulation
Medium is as heat-exchange working medium;Thermosetting Jie tank inlet and outlet freezes off Jie's heat exchanger and thermosetting Jie's heat exchange with described respectively
Device is connected;Jie's tank inlet and outlet that freezes off is connected with thermosetting Jie heat exchanger and Jie's heat exchanger that freezes off respectively;Institute
It states thermosetting Jie's heat exchanger and is additionally provided with cryogenic media entrance and high-temperature medium outlet, Jie's heat exchanger that freezes off is additionally provided with high-temperature medium
Entrance and cryogenic media outlet.
In above-mentioned technical proposal, regulating valve is provided between thermosetting Jie tank outlet and thermosetting Jie heat exchanger.
It is described to freeze off the outlet of Jie's tank and described freeze off is provided with solid Jies feed between Jie's heat exchanger in above-mentioned technical proposal
Pump.
In above-mentioned technical proposal, thermosetting Jie tank skin face is equipped with thermal insulation material.
In above-mentioned technical proposal, the solid heat-storage medium includes sand, quartz sand, ceramic particle, silicon-carbide particle
One or more mixtures.
A kind of steam power plant's heat-exchange system, the heat-exchange system include boiler back end ductwork, are arranged in boiler back end ductwork
Back-end ductwork heating surface and superheater and drum, Turbo-generator Set and feed pump, the drum and the back-end ductwork
There is tedge to be connected with down-comer between heating surface, is connected equipped with saturated steam pipe between the drum and the superheater;Institute
Stating has jet chimney connection between superheater and the Turbo-generator Set, the Turbo-generator Set is connect with feed pump.Institute
It further includes solid Jie's heat reservoir to state heat-exchange system, and the heat reservoir of Jie admittedly includes thermosetting Jie tank, freezes off Jie's tank and at least one
A thermosetting Jie heat exchanger and at least one freeze off Jie's heat exchanger;Thermosetting Jie tank inlet and outlet freezes off Jie and changes with described respectively
Hot device is connected with thermosetting Jie heat exchanger;It is described freeze off Jie's tank inlet and outlet respectively with thermosetting Jie heat exchanger and described
Jie's heat exchanger is freezed off to be connected;Thermosetting Jie heat exchanger is additionally provided with cryogenic media entrance and high-temperature medium outlet, described to freeze off Jie
Heat exchanger is additionally provided with high-temperature medium entrance and cryogenic media outlet;Jie that freezes off of the superheater and the heat reservoir of Jie admittedly changes
The connection of pass-out steam pipe is provided between hot device, the pass-out steam pipe is connected on the jet chimney, described to freeze off Jie and change
Connecting tube connection is provided between hot device and the back-end ductwork heating surface;Thermosetting Jie heat exchanger and the Steam Turbine it
Between be equipped with pipeline connect.
In above-mentioned technical proposal, the superheater passes through pass-out steam with the high-temperature medium entrance for freezing off Jie's heat exchanger
Pipe connects;It is connected by connecting tube between the cryogenic media outlet for freezing off Jie's heat exchanger and the back-end ductwork heating surface.
In above-mentioned technical proposal, is provided on the jet chimney between the superheater and the turbine LP rotors
One steam valve is provided on the pass-out steam pipe between the superheater and the high-temperature medium entrance of the heat reservoir of Jie admittedly
Two steam valves, and be in be connected in parallel between first steam valve and second steam valve.
In above-mentioned technical proposal, the Turbo-generator Set includes steam turbine high-pressure cylinder unit, the steam turbine being sequentially connected
Mesolow cylinder unit and generator.
In above-mentioned technical proposal, the steam turbine mesolow cylinder unit is provided with air intake and extraction opening, the extraction opening
It is connect with the cryogenic media entrance of thermosetting Jie heat exchanger by pipeline, the high-temperature medium outlet of thermosetting Jie heat exchanger is logical
Piping is connect with the air intake.
In above-mentioned technical proposal, on the pipeline that the extraction opening is connect with the cryogenic media entrance of thermosetting Jie heat exchanger
Equipped with extraction valve, high-temperature medium outlet and the air intake connecting pipe of thermosetting Jie heat exchanger are equipped with inlet valve.
The present invention has the following advantages and beneficial effects:It 1) will by steam by-pass according to the situation of change of power load
Excess steam is passed through solid Jie's heat reservoir, transfers heat in the solids heat-storage medium such as sand and is stored, and is further promoted
The Load Regulation ability of power plants generating electricity system;2) it utilizes and stores the pumping that work(was done in the heating of the solids heat-storage medium such as sand of heat
Vapour, and be returned in steam turbine and do work, energy waste is reduced, realizes the reasonable utilization of the energy;3) it is excellent that sand etc. is situated between admittedly
Good heat-storage medium easily obtains, of low cost, and high temperature resistant;4) system structure is simple, to former Thermal Power Station's system interference
It is small.
Description of the drawings
Fig. 1 is a kind of solid Jie's heat reservoir and steam power plant's heat-exchange system schematic diagram of embodiment involved in the present invention.
In figure:1- thermosetting Jie's tanks;2- freezes off Jie's tank;3- thermosetting Jie's heat exchangers;4- freezes off Jie's heat exchanger;5- low temperature
Medium inlet;6- high-temperature mediums export;7- high-temperature medium entrances;8- cryogenic media outlets;9- regulating valves;10- is situated between admittedly to be given
Material pump;11- boiler back end ductworks;12- back-end ductwork heating surfaces;13- drums;14- superheaters;15- steam turbine high-pressure cylinders
Unit;16- steam turbine mesolow cylinder units;17- air intakes;18- extraction openings;19- generators;20- condensers;21-
Condensate pump;22- heat regenerative systems;23- feed pumps;The first steam valves of 24-;The second steam valves of 25-;26- extraction valves;
27- inlet valves.
Specific implementation mode
The specific implementation mode and the course of work of the present invention are further described below in conjunction with the accompanying drawings.
The orientation such as upper, lower, left, right, front and rear in present specification term be position relationship based on ... shown in the drawings and
It establishes.Attached drawing is different, then corresponding position relationship is also possible to change therewith, therefore cannot be interpreted as with this to protecting model
The restriction enclosed.
Solid Jie of the present invention refers to solid heat-storage medium, that is, includes sand or quartz sand, ceramic particle, silicon carbide
The solid particle of one or more mixtures of grain, therefore it is referred to as solid particle heat-storage medium.Correspondingly, described freeze off
It is situated between and refers to that either low-temperature solid heat-storage medium thermosetting Jie after cooling refers to the high-temp solid after hot or heating to cold conditions
Heat-storage medium.
As shown in Figure 1, a kind of heat reservoir that is situated between admittedly, the heat reservoir includes thermosetting Jie tank 1, freezes off Jie's tank 2 and extremely
Few two heat exchangers.Two heat exchangers include at least thermosetting Jie heat exchanger 3 and one freezes off Jie's heat exchanger 4, and thermosetting Jie changes
Hot device and freeze off Jie's heat exchanger with including sand, ceramic particle, silicon-carbide particle one or more mixtures solid
Grain is used as heat-exchange working medium, both heat carrier.
1 inlet and outlet of thermosetting Jie tank respectively with freeze off Jie's heat exchanger 4 and thermosetting Jie heat exchanger 3 is connected.Thermosetting Jie tank 1 is used
It stores the hot solids particle such as hot sand after heating by freezing off Jie's heat exchanger 4, while the hot solids particle such as hot sand can be given
Enter into thermosetting Jie heat exchanger 3 and heats cryogenic media as heat carrier.The wall surface of thermosetting Jie tank 1 is equipped with high-temperature-resistant thermal-insulation material.
Freeze off 2 inlet and outlet of Jie's tank respectively with thermosetting Jie heat exchanger 3 and freeze off Jie's heat exchanger 4 and be connected.It freezes off Jie's tank 2 and adds for receiving
The solid particle heat-storage medium of hot cryogenic media postcooling, and solid particle heat-storage medium can be fed and freeze off Jie's heat exchanger
4 become heat carrier with high-temperature medium heat exchange.Thermosetting Jie heat exchanger 3 is additionally provided with cryogenic media entrance 5 and high-temperature medium outlet 6, makees
The inlet and outlet of thermosetting Jie heat exchanger 3 are passed in and out for cryogenic media.It freezes off Jie's heat exchanger 4 and is additionally provided with high-temperature medium entrance 7 and low temperature Jie
Matter outlet 8 freezes off the inlet and outlet of Jie's heat exchanger 4 as high-temperature medium disengaging.The solids such as cryogenic media, high-temperature medium and sand
It is wall-type heat exchange between grain heat-storage medium.
Thermosetting Jie tank 1 is exported is provided with regulating valve 9 between thermosetting Jie heat exchanger 3, can adjust thermosetting Jie's flow.
It freezes off between Jie's tank 2 exports and freeze off Jie's heat exchanger 4 and is provided with solid Jie's feed pump 10.
A kind of steam power plant's heat-exchange system as shown in Figure 1, including boiler back end ductwork 11, setting are in boiler back end ductwork
Back-end ductwork heating surface 12, drum 13, Turbo-generator Set, and Jie's heat reservoir etc. admittedly.As described above, Jie's heat accumulation system admittedly
System includes thermosetting Jie tank 1, freeze off Jie's tank 2 and at least one thermosetting Jie heat exchanger 3 and at least one freezes off Jie's heat exchanger 4.Root
According to heat exchange amount demand, thermosetting Jie heat exchanger 3 and freezes off Jie's heat exchanger 4 multiple, energy between multiple thermosetting Jie heat exchangers 3 can be set
Enough to be arranged in parallel or in series, similar, multiple freeze off can be also arranged in parallel or in series between Jie's heat exchanger 4.
There are tedge and down-comer connection between drum 13 and back-end ductwork heating surface 12, by full between superheater 14
It is connected with steam pipe.The high-temperature flue gas that boiler generates enters boiler back end ductwork 11, with working-medium water in back-end ductwork heating surface 12
Heat exchange, the steam water interface of generation enter 13 steam-water separation of drum by tedge, and water returns to boiler or tail by down-comer
The low-temperature heat exchange component of portion's flue surface 12 continues to heat, and saturated vapor is entered by saturated steam pipe in superheater 14
It is heated as the superheated steam of target component.There is jet chimney connection between superheater 14 and Turbo-generator Set, overheat is steamed
Vapour inputs Turbo-generator Set power generation.
Turbo-generator Set includes steam turbine high-pressure cylinder unit 15, steam turbine mesolow cylinder unit 16 and generator 19.Heat
Power plant steam-water heat-exchange system further includes the condenser 20, condensate pump 21 and heat regenerative system 22 etc. being sequentially connected.Condenser 20 with
Steam turbine mesolow cylinder unit 16 connects.Superheater 14 is connect with steam turbine high-pressure cylinder unit 15, and superheated steam passes through steam pipe
Road is for turbine LP rotors, and after superheated steam acting power generation, waste vapour enters condenser 20 and is condensed into water to be taken out by condensate pump 21
Go out, boiler is sent back to by feed pump 23 after heat regenerative system 22.
Steam power plant's heat-exchange system of solid Jie's heat reservoir is increased, admittedly Jie's heat reservoir is sent out with superheater 14, steamer respectively
Steam turbine mesolow cylinder unit 16 and back-end ductwork heating surface 12 in motor group connect.First, superheater 14 leads to steamer
Pass-out steam pipe is accessed on the jet chimney of high pressure cylinder unit machine 15, pass-out steam Jie's Guan Yugu heat reservoir freezes off Jie's heat exchange
Device 4 is connected.The part that jet chimney is connected with steam turbine high-pressure cylinder unit 15 is as steam main pipe, steam main pipe and pass-out steam
Pipe is in be connected in parallel.Jet chimney between superheater 14 and steam turbine high-pressure cylinder unit 15 is provided on steam main pipe
One steam valve, superheater 14 and freezes off and is provided with the second steam valve, the first steam valve on pass-out steam pipe between Jie's heat exchanger 4
It is in be connected in parallel with the second steam valve.
Pass-out steam pipe is connected to the high-temperature medium entrance 7 for freezing off Jie's heat exchanger 4, can be passed through superheated steam and be freezed off Jie
It exchanges heat with solid particles heat-storage mediums such as sands in heat exchanger 4.Freeze off the cryogenic media outlet 8 and back-end ductwork of Jie's heat exchanger 4
It is provided with connecting tube between heating surface 12.Back-end ductwork heating surface 12 includes high-temperature economizer, low-level (stack-gas) economizer and evaporator
The heated face component of equal various heat exchanges warm area.Cryogenic media outlet 8 is in the on-position of back-end ductwork heating surface 12 according to heat exchange
Medium temperature determines.
Steam turbine mesolow cylinder unit 16 is provided with air intake 17 and extraction opening 18, and extraction opening 18 is situated between by pipeline and thermosetting
The cryogenic media entrance 5 of heat exchanger 3 connects, and the waste vapour for doing merits and demerits is sent into thermosetting Jie heat exchanger 3 to exchange heat with thermosetting Jie.Thermosetting is situated between
The high-temperature medium outlet 6 of heat exchanger 3 is connect by pipeline with air intake 17, and the steam after heat exchange is made to return to steam turbine mesolow cylinder
Unit 16.The pipeline that extraction opening 18 is connect with the cryogenic media entrance 5 of thermosetting Jie heat exchanger 3 is equipped with extraction valve 26, and thermosetting is situated between
High-temperature medium outlet 6 and 17 connecting pipe of air intake of heat exchanger 3 are equipped with inlet valve 27, can be used for adjusting waste vapour or steam
Flow.
When the superheated steam that boiler system generates is more than electrical generation demand amount, the first steam valve 24 and the second steam valve are adjusted
25, excess steam is inputted into the heat reservoir that is situated between admittedly.Superheated steam, which enters, freezes off the solid particles heat accumulations such as the heating sand of Jie's heat exchanger 4
Back-end ductwork heating surface 12 is returned to after medium cooling enters carbonated drink heating circulation system.The solid particles heat-storage medium such as sand heats
Become thermosetting afterwards to be situated between, into thermosetting Jie tank 1.As needed, the regulating valve 9 between thermosetting Jie tank 1 and thermosetting Jie heat exchanger 3 is adjusted
Adjust thermosetting Jie's flow.Waste vapour after acting enters thermosetting Jie heat exchanger 3 from cryogenic media entrance 6, is situated between after heat exchange again with thermosetting
It returns to Turbo-generator Set and participates in acting.Thermosetting Jie's heat exchange postcooling, which becomes to freeze off to be situated between to enter, freezes off Jie's tank 2.
For solid Jie's heat reservoir, high-temperature medium and cryogenic media are not limited to steam and water.Admittedly Jie's heat reservoir may be used also
For heat-conducting oil furnace, conduction oil is as heat transferring medium at this time.Simultaneously, additionally it is possible to including sand, ceramic particle, silicon-carbide particle
One or more mixtures solid heat-storage medium in addition metal powder or particle, to improve changing for solid heat-storage medium
Hot coefficient accelerates energy storage or release heat process.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- The heat reservoir 1. one kind is situated between admittedly, it is characterised in that:The heat reservoir includes thermosetting Jie tank (1), freeze off Jie's tank (2) and At least two heat exchangers, described two heat exchangers include at least thermosetting Jie heat exchanger (3) and one freezes off Jie's heat exchanger (4);The heat exchanger is using solid heat-storage medium as heat-exchange working medium;Thermosetting Jie tank (1) inlet and outlet respectively with it is described Jie's heat exchanger (4) is freezed off with thermosetting Jie heat exchanger (3) to be connected;It is described freeze off Jie's tank (2) inlet and outlet respectively with it is described Thermosetting Jie heat exchanger (3) is connected with Jie's heat exchanger (4) that freezes off;Thermosetting Jie heat exchanger (3) is additionally provided with cryogenic media and enters Mouth (5) and high-temperature medium outlet (6), Jie's heat exchanger (4) that freezes off are additionally provided with high-temperature medium entrance (7) and cryogenic media outlet (8)。
- The heat reservoir 2. one kind according to claim 1 is situated between admittedly, it is characterised in that:Thermosetting Jie tank (1) outlet and institute It states and is provided with regulating valve (9) between thermosetting Jie heat exchanger (3).
- The heat reservoir 3. one kind according to claim 1 is situated between admittedly, it is characterised in that:It is described to freeze off Jie's tank (2) outlet and institute It states and is provided with solid Jie's feed pump (10) between freezing off Jie's heat exchanger (4).
- The heat reservoir 4. one kind according to claim 1 is situated between admittedly, it is characterised in that:Thermosetting Jie tank (1) wall surface is equipped with Thermal insulation material.
- The heat reservoir 5. one kind according to claim 1 is situated between admittedly, it is characterised in that:The solid heat-storage medium includes sand One or more mixtures of son, ceramic particle, silicon-carbide particle.
- 6. a kind of steam power plant's heat-exchange system, the heat-exchange system includes boiler back end ductwork (11), is arranged in boiler back end ductwork In back-end ductwork heating surface (12) and superheater (14) and drum (13) and Turbo-generator Set, the drum (13) with There is tedge to be connected with down-comer between the back-end ductwork heating surface (12), has between the drum (13) and superheater (14) Saturated steam pipe is connected;There is jet chimney to connect between the superheater (14) and the Turbo-generator Set, it is characterised in that: The heat-exchange system further includes solid Jie's heat reservoir, the heat reservoir of Jie admittedly includes thermosetting Jie tank (1), freeze off Jie's tank (2) with And at least one thermosetting Jie heat exchanger (3) and at least one freeze off Jie's heat exchanger (4);Thermosetting Jie tank (1) inlet and outlet Respectively Jie's heat exchanger (4) is freezed off with described and thermosetting Jie heat exchanger (3) is connected;It is described to freeze off Jie's tank (2) inlet and outlet It is connected respectively with thermosetting Jie heat exchanger (3) and Jie's heat exchanger (4) that freezes off;Thermosetting Jie heat exchanger (3) is additionally provided with Cryogenic media entrance (5) and high-temperature medium outlet (6), Jie's heat exchanger (4) that freezes off are additionally provided with high-temperature medium entrance (7) and low Warm media outlet (8);Freezing off for the superheater (14) and the heat reservoir of Jie admittedly is provided with bypass between Jie's heat exchanger (4) Steam pipe connects, and the pass-out steam pipe is connected on the jet chimney, described to freeze off Jie's heat exchanger (4) and the tail portion cigarette Connecting tube connection is provided between road heating surface (12);It is set between thermosetting Jie heat exchanger (3) and the Turbo-generator Set There is pipeline connection.
- 7. a kind of steam power plant's heat-exchange system according to claim 6, it is characterised in that:The superheater (14) with it is described cold Admittedly the high-temperature medium entrance (7) of Jie's heat exchanger (4) is connected by pass-out steam pipe;The low temperature for freezing off Jie's heat exchanger (4) is situated between Matter, which exports, to be connect between (8) and the back-end ductwork heating surface (12) by connecting tube.
- 8. a kind of steam power plant's heat-exchange system according to claim 6, it is characterised in that:The superheater (14) and the vapour The first steam valve (24), the superheater (14) and the heat accumulation that is situated between admittedly are provided on jet chimney between turbine generator group The second steam valve (25), and first steam valve are provided on pass-out steam pipe between the high-temperature medium entrance (7) of system (24) it is in be connected in parallel between second steam valve (25).
- 9. a kind of steam power plant's heat-exchange system according to claim 6, it is characterised in that:The Turbo-generator Set include according to Secondary connected steam turbine high-pressure cylinder unit (15), steam turbine mesolow cylinder unit (16) and generator (19).
- 10. a kind of steam power plant's heat-exchange system according to claim 9, it is characterised in that:The steam turbine mesolow cylinder machine Group (16) is provided with air intake (17) and extraction opening (18), and the extraction opening (18) passes through pipeline and thermosetting Jie heat exchanger (3) cryogenic media entrance (5) connection, thermosetting Jie heat exchanger (3) high-temperature medium outlet (6) by pipeline with it is described into Steam ports (17) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435703.5A CN108692309A (en) | 2018-05-04 | 2018-05-04 | A kind of Jie's heat reservoir and steam power plant's heat-exchange system admittedly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110360863A (en) * | 2019-07-02 | 2019-10-22 | 清华大学 | A kind of electric heating is situated between energy storage device admittedly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075907A (en) * | 2013-02-02 | 2013-05-01 | 中国科学院工程热物理研究所 | Packed bed type high pressure heat/cold storage device |
| CN103292486A (en) * | 2013-05-11 | 2013-09-11 | 中国科学院电工研究所 | Single-tank/double-tank combined heat accumulation system for solar thermal power generation, and heat accumulation method of single-tank/double-tank combined heat accumulation system |
| WO2015011438A1 (en) * | 2013-07-22 | 2015-01-29 | Isentropic Ltd | Thermal storage apparatus for rapid cycling applications |
| CN107091586A (en) * | 2017-03-15 | 2017-08-25 | 浙江大学 | Boiler fired coal electricity generation system with double tank heat storage type generating adjustments |
| CN107476839A (en) * | 2016-06-07 | 2017-12-15 | 德雷瑟-兰德公司 | Using can the hot storage medium of conveying solid substance pumping thermal energy storage system |
| CN208365519U (en) * | 2018-05-04 | 2019-01-11 | 清华大学 | A kind of Jie's heat reservoir and steam power plant's heat-exchange system admittedly |
-
2018
- 2018-05-04 CN CN201810435703.5A patent/CN108692309A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075907A (en) * | 2013-02-02 | 2013-05-01 | 中国科学院工程热物理研究所 | Packed bed type high pressure heat/cold storage device |
| CN103292486A (en) * | 2013-05-11 | 2013-09-11 | 中国科学院电工研究所 | Single-tank/double-tank combined heat accumulation system for solar thermal power generation, and heat accumulation method of single-tank/double-tank combined heat accumulation system |
| WO2015011438A1 (en) * | 2013-07-22 | 2015-01-29 | Isentropic Ltd | Thermal storage apparatus for rapid cycling applications |
| CN107476839A (en) * | 2016-06-07 | 2017-12-15 | 德雷瑟-兰德公司 | Using can the hot storage medium of conveying solid substance pumping thermal energy storage system |
| CN107091586A (en) * | 2017-03-15 | 2017-08-25 | 浙江大学 | Boiler fired coal electricity generation system with double tank heat storage type generating adjustments |
| CN208365519U (en) * | 2018-05-04 | 2019-01-11 | 清华大学 | A kind of Jie's heat reservoir and steam power plant's heat-exchange system admittedly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360863A (en) * | 2019-07-02 | 2019-10-22 | 清华大学 | A kind of electric heating is situated between energy storage device admittedly |
| CN110360863B (en) * | 2019-07-02 | 2020-10-09 | 清华大学 | Electric heating solid medium energy storage device |
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