CN206235221U - Fluidization calcium base thermochemical high temperature energy storage/releasing can system - Google Patents
Fluidization calcium base thermochemical high temperature energy storage/releasing can system Download PDFInfo
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- CN206235221U CN206235221U CN201620395787.0U CN201620395787U CN206235221U CN 206235221 U CN206235221 U CN 206235221U CN 201620395787 U CN201620395787 U CN 201620395787U CN 206235221 U CN206235221 U CN 206235221U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model discloses a kind of fluidization calcium base thermochemical high temperature energy storage/release can system, the system carries out the storage and release of energy by the mutual conversion between solar energy, heat energy, chemical energy using the reversible reaction of calcium base thermochemical high temperature.The system mainly includes energy input unit, energy storage units and energy output unit.During energy storage, there is endothermic decomposition reaction in calcium hydroxide, the heat for absorbing is stored in product calcium oxide in the form of chemical energy under fluidising conditions；When releasing energy, there is exothermic reaction in calcium oxide and vapor, liberated heat heating water produces the steam of HTHP, so as to promote steam turbine to generate electricity under fluidising conditions.The utility model has the features such as unit mass energy storage density is high, energy figure is high, energy storage loss is low, pollution-free, and can carry out modular combination according to stored energy capacitance, can be applied to the fields such as large-scale solar thermal power generation and peak-load regulation.
Description
Technical field
The utility model is related to energy storage technologies field, and in particular to fluidization calcium base thermochemical high temperature energy storage/release energy
System.
Background technology
With economic fast development, the supply of the energy is increasingly difficult to meet demand.In the range of the world today, tradition
Fossil energy (coal, oil, natural gas etc.) still occupy leading position.And, the burning of fossil energy can produce a large amount of temperature
Room gas and other toxic and harmfuls and dust, bring a series of problem of environmental pollution.Therefore, renewable and clean energy resource
Development and utilization receive the extensive concern of people.Solar energy is a kind of widely distributed, clean environment firendly energy, is efficiently utilized
Solar energy can alleviate current energy problem and problem of environmental pollution, Optimization of Energy Structure.Electric energy as a kind of high-grade energy,
It is widely used in various energy fields, it has also become the major impetus of national economy leap.And electric energy in itself have it is pollution-free, zero
The characteristics of discharge.
However, the features such as solar energy has intermittence, is difficult to lasting supply, also has unbalanced supply-demand in power system
Peak valley phenomenon.To develop solar thermal power generation on a large scale, improve the economy and stability of power system, improve to too
The memory technology of the heat such as positive energy is crucial.
At present, hot energy storage mode is mainly included：Sensible heat energy storage, three kinds of modes of hidden heat energy storage and heat chemistry energy storage.Sensible heat
Energy storage carries out the storage of heat energy using the temperature difference of energy-accumulating medium, and energy storage density is determined by the temperature difference and specific heat capacity of energy-accumulating medium；
Latent heat heat accumulation is to absorb heat when being undergone phase transition using energy-accumulating medium to carry out heat accumulation, and energy storage density is by energy-accumulating medium enthalpy of phase change
Determine.Sensible heat heat accumulation and phase-change thermal storage are needed using adiabatic heat-insulation equipment, and the storage time of sensible heat heat accumulation is than relatively limited, phase in addition
Become heat accumulation and there is also the problems such as phase separation and supercooling.
Heat chemistry heat accumulation carries out heat accumulation by reversible chemical reaction using the reaction enthalpy change in course of reaction, is a kind of high
Effect energy storage means.In theory, the reversible chemical reaction arbitrarily in the presence of heat absorption/heat release can be used in the storage of heat energy.But, choosing
The reaction system selected suitable for heat chemistry energy storage needs to consider invertibity, reaction temperature and reaction rate, the economy of reaction
Etc. condition.Current more suitable heat chemistry energy storage reaction system mainly has：The thermal decomposition of metal hydride, oxide and peroxide
The reaction systems such as decomposition, the conversion of calcium hydroxide/calcium oxide of compound.At present, heat chemistry energy storage is also in conceptual phase, technology
Application also need to further exploratory development.
By the literature search to prior art, a kind of " middle low-temperature solar of Application No. 201010500486.7
Chemical energy-storage system " Chinese utility model patent, to have drawn and also realize solar heat-preservation, metallic nickel originally using metal nickel oxide
Oxidation provide solar energy release, reach energy storage and generating purpose, belong to the mode of heat chemistry energy storage.But its energy storage temperature is only
There is the price of metallic nickel in 150 DEG C to 300 DEG C, and its energy storage material costly, this may cause its energy-storage system cost
It is higher；" novel amino heat chemistry energy-storage system " Chinese utility model patent of Application No. 201510116256.3, proposes profit
Energy storage is carried out with the heat chemistry reversible reaction of amino.There is endothermic decomposition reaction in ammonia, reach energy storage in the presence of catalyst
Purpose, fall within the mode of heat chemistry energy storage, but the reaction system needs the catalyst just to react, and the reaction institute
There is strong impulse smell with the ammonia in medium, the eyes that can burn, skin, respiratory apparatus mucous membrane etc., with certain
Danger.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of fluidised calcium base thermochemical high temperature energy storage system
Solar energy or power network valley electricity are converted into chemical energy by system, the system, and are passing through reversible chemical reaction whenever necessary
Energy is discharged, concrete scheme is as follows.
A kind of fluidization calcium base thermochemical high temperature energy storage/release can system, including energy input unit, energy storage units,
Energy output unit, it is differed from existing heat chemistry energy-storage system：
Described energy input unit includes solar heat absorber, electric heater, heavy oil storage tank, oil-feed pump, the first heating
Coil pipe；Wherein, the outlet of heavy oil storage tank is connected by pipeline with oil supply pump intake, and the outlet of oil-feed pump passes through pipeline and second
The entrance of triple valve is connected, and the one outlet of the second triple valve is connected by pipeline with the entrance of electric heater, another
Outlet is connected by pipeline with the entrance of the first triple valve, and the one outlet of the first triple valve passes through pipeline and solar energy heat absorbing
The entrance of device is connected, and another outlet, the outlet of solar heat absorber and outlet of electric heater of the first triple valve are incorporated to
Entrance after same pipeline with the first heating coil is connected, and the outlet of the first heating coil then passes through the first valve and heavy-oil reservoir
The entrance of tank is connected；
Described energy storage units include calcium base reaction unit, cyclone separator, horizontal boiling fluid bed, inertial separation
Device, the second nitrogen storage tank, the first blower fan, calcium hydroxide storage tank, calcium oxide storage tank, the second blower fan, the 3rd blower fan, gas distribution
Device, the first nitrogen storage tank, steam-water separator, the first condenser；Wherein, the gas vent and cyclone separator of calcium base reaction unit
Entrance be connected, the solid outlet of cyclone separator is connected with the solid inlet of horizontal boiling fluid bed, horizontal boiling stream
The gas vent for changing bed is connected with the entrance of inertia separator, and the gas vent of inertia separator enters with the second nitrogen storage tank
Mouthful be connected, the outlet of the second nitrogen storage tank is connected through the 8th valve with the entrance of the first blower fan, the outlet of the first blower fan and
The gas access of horizontal boiling fluid bed is connected, and the solid outlet of inertia separator is through the second valve and horizontal boiling fluid bed
Solid outlet be incorporated to same pipeline after be connected with the entrance of the 4th triple valve, the one outlet and hydroxide of the 4th triple valve
The entrance of calcium storage tank is connected, and another outlet is connected with the entrance of calcium oxide storage tank, and the outlet of calcium hydroxide storage tank is through
After three valves, the outlet of calcium oxide storage tank after the 4th valve and the second blower fan outlet by pipeline and calcium base reaction unit
Solid inlet is connected, and the gas vent of cyclone separator is connected by the first condenser with steam-water separator entrance, carbonated drink
The liquid outlet of separator is connected after the 7th valve with a liquid inlet of the water storage tank of following energy output units, vapour
The gas vent of separator is connected with the entrance of the first nitrogen storage tank, and the one outlet of the first nitrogen storage tank is through the 5th valve
Entrance with the second blower fan is connected, and another outlet of the first nitrogen storage tank is connected through the 6th valve with the entrance of the 3rd blower fan
Connect, the outlet of the 3rd blower fan is connected with an entrance of gas distributor；
Described energy output unit include water storage tank, feed pump, the second heating coil, drum, down-comer, water-cooling wall,
Steam pipeline, superheater, steam turbine, generator, the second condenser；Wherein, the outlet of water storage tank passes through the 9th valve and gives
Water pump is connected, and feed pump is connected through the second heating coil with the liquid inlet of drum, and the liquid end of drum passes through down-comer
Communicated with water-cooling wall, the composition that water-cooling wall connects with the gas end entrance of drum again is circulated, and the one outlet at drum gas end passes through
Steam pipeline is connected with an entrance of the 3rd triple valve, another entrance and the external steam pipe network phase of the 3rd triple valve
Even, the one outlet of the 3rd triple valve is connected with another entrance of gas distributor, another outlet at drum gas end
It is connected by the entrance after superheater with steam turbine, the outlet of steam turbine is another with water storage tank by the second condenser
Individual liquid inlet is connected, and steam turbine is connected with generator.
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that described
Calcium base reaction unit use circulating fluid bed reactor, reaction medium used is solid calcium hydroxide powder or calcium oxide powder
End, solid calcium hydroxide powder or lime powder enter calcium base and react dress by the second blower fan through the 3rd valve or the 4th valve
In putting.To improve the flow velocity of calcium base reaction unit bottom fluidizing gas, calcium base reaction unit is the cylinder type of back taper,
Cone angle is 10 °~15 °, and barrel sizes are determined by stored energy capacitance, the allowable stress position 0.15MPa~0.3MPa of device.
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that at night
Between power network when powering at a low ebb, calcium base reaction unit provides thermal source by electric heater；In solar heat absorber and electric heater
Fluid be heavy oil.
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that described
The fluidizing gas of calcium base reaction unit be nitrogen or nitrogen and the mixture of vapor；
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that described
Solar heat absorber be dish-style structure；Power supply used by electric heater is electric network night trough-electricity.When solar energy condition is preferable,
With the heat reactor of solar heat absorber, night is then heated using power network valley electricity.
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that use
Horizontal boiling fluid bed is preheated for aqueous water, while the solid cooling of the generation calcium base reaction unit；Horizontal boiling fluid bed
Fluidizing gas be nitrogen.
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that described
The gas distribution grid of horizontal boiling fluid bed have 5 °~10 ° of inclination angle, so as to calcium oxide or calcium hydroxide powder toward storage tank side
To transfer.
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that described
The gas vent side of horizontal boiling fluid bed be connected to one or more inertia separators, to prevent solid powder to be brought into
In two nitrogen storage tanks；The solid outlet of described inertia separator passes through the solid outlet phase of valve and horizontal boiling fluid bed
Connect.
Further optimization, described fluidization calcium base thermochemical high temperature energy storage/release can system, it is characterised in that use
Steam-water separator be used for separate by after the first condenser produce aqueous water, to prevent aqueous water to be brought into the first nitrogen storage
In tank.
The utility model fluidization calcium base thermochemical high temperature energy storage/release can the energy storage method of system be that calcium hydroxide is in stream
There is endothermic decomposition reaction under the conditions of state in calcium base reaction unit, the heat for absorbing is stored anti-in the form of chemical energy
In answering product calcium oxide and sending into calcium oxide storage tank.Release can method be that calcium oxide and vapor are under fluidising conditions in calcium base
There is exothermic reaction in reaction unit, stored in the calcium hydroxide feeding calcium oxide storage tank for reacting generation, liberated heat then leads to
The steam that heating water produces HTHP is crossed, promotes steam turbine to generate electricity.
From above-mentioned technical proposal as can be seen that the fluidised calcium base thermochemical high temperature energy storage system of the utility model have with
Lower advantage：
(1) system utilizes calcium base thermochemical high temperature reversible reaction With calcium hydroxide/calcium oxide system as energy-accumulating medium, wherein, the exothermic reaction temperature of the reaction is reachable to be
450 DEG C~500 DEG C, without catalyst, the heat of reaction generation can heat water to 400 DEG C of high-temperature vapor, promote for reaction
Steam turbine generates electricity.Calcium hydroxide carries out the storage and release, its unit mass energy storage of energy by way of heat chemistry energy storage
Density is far above sensible heat energy storage and hidden heat energy storage, and energy storage loss is small.And, calcium hydroxide/calcium oxide have be easily obtained, price
Cheap, nontoxic the advantages of, it is adapted to the large-scale long term storage requirement to energy.
(2) reactor that the system is used is circulating fluid bed reactor, and fluid bed is fast with reaction relative to fixed bed
Rate is fast, the big advantage of heat exchange area, meets the requirement of high load capacity heat accumulation, and can be by adjusting vapor and fluidizing gas
Flow is adjusted to reaction rate.
(3) thermal source of the system is solar energy or power network valley electricity, can be by the first triple valve and the second triple valve
Regulation switches solar heat absorber and electric heater, take full advantage of solar energy it is sufficient when energy and power network low ebb electricity
Can, promote peak valley regulation.
(4) system is provided with horizontal boiling fluid bed for preheated liquid water, at the same promote reacted calcium hydroxide/
Calcium oxide is cooled down, and has met the principle of energy cascade utilization, so as to reduce the heat accumulation loss of process, improves heat accumulation efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of fluidised calcium base thermochemical high temperature energy storage system.
Specific embodiment
In order that the purpose of this utility model, technical scheme become apparent from understanding, referring to the drawings, the utility model is carried out
It is further to describe in detail.
The system utilizes calcium base thermochemical high temperature reversible reaction The storage and release of energy are carried out by the mutual conversion between solar energy, heat energy, chemical energy.The system
Mainly include energy input unit, energy storage units, energy output unit, be broadly divided into thermal energy storage process and exoergic process, store up
During energy, there is endothermic decomposition reaction in calcium hydroxide, the heat for absorbing is stored in the form of chemical energy under fluidising conditions
In product calcium oxide；When releasing energy, there is exothermic reaction in calcium oxide and vapor, liberated heat adds under fluidising conditions
Hot water produces the steam of HTHP, so as to promote turbine generation.
As shown in figure 1, fluidised calcium base thermochemical high temperature energy storage system, including solar heat absorber 1, electric heater 4,
Heavy oil storage tank 5, oil-feed pump 6, the first heating coil 13, calcium base reaction unit 14, cyclone separator 28, horizontal boiling fluid bed
27, inertia separator 15, the second nitrogen storage tank 32, the first blower fan 25, calcium hydroxide storage tank 18, calcium oxide storage tank 21, the second wind
Machine 23, the 3rd blower fan 20, gas distributor 11, the first nitrogen storage tank 26, steam-water separator 31, the first condenser 29, water storage tank
37, feed pump 38, the second heating coil 27, drum 8, down-comer 9, water-cooling wall 10, steam pipeline 41, superheater 12, vapor wheel
Machine 34, generator 35, the second condenser 36, first to fourth triple valve (2,3,42,16) is the K1~K4 in figure, first to
9th valve (7,16,17,19,24,22,30,33,39) is the V1~V9 in figure.Specifically workflow is：
Energy stores process：The heavy oil of the storage of heavy oil storage tank 5, solar heat absorber 1 or electrical heating are delivered to by oil-feed pump 6
Device 4.When solar energy is sufficient, the second triple valve 3 is opened to the direction of solar heat absorber 1, and the first triple valve 2 is opened to solar energy suction
The direction of hot device 1, heavy oil is transported to solar heat absorber 1 and is heated, and after being heated, the first heating coil is led to along pipeline
13；When grid power supply is at a low ebb, the second triple valve 3 is opened to the direction of electric heater 4, and the first triple valve 2 is opened to electricity
The direction of heater 4, heavy oil is transported to electric heater 4, using power network low ebb electrical heating.After being heated, lead to along pipeline
First heating coil 13.First heating coil 13 is that calcium base reaction unit 14 provides heat, it is ensured that reactant hydrogen calcium oxide can reach
The temperature decomposed to it.During energy stores, reactant is calcium hydroxide powder, the fluidised form that calcium base reaction unit 14 is used
Change gas is nitrogen.The 3rd valve 17 and the 5th valve 24 are opened, now the calcium hydroxide in calcium hydroxide storage tank 18 is by second
Blower fan 23 is delivered to calcium base reaction unit 14.The 6th valve 22 is opened, the nitrogen in the first nitrogen storage tank is defeated by the 3rd blower fan 20
The gas distributor 11 in calcium base reaction unit 14 is delivered to, by after the cloth wind of gas distributor 11, nitrogen is by gas distribution grid
Blast cap spray, make reactant hydrogen calcium oxide fluidization.Calcium hydroxide is heated under fluidising conditions by the first heating coil 13,
Reach decomposition temperature, reaction generation calcium oxide and vaporous water.Calcium oxide and vaporous water are delivered to cyclone separator 28 and enter by nitrogen
Row gas solid separation.To prevent vaporous water from being condensed in cyclone separator 28, the shell of cyclone separator 28 uses heat insulating construction.The
Four triple valves 16 are opened to the direction for leading to calcium oxide storage tank 21, after product is separated through cyclone separator 28, the calcium oxide of solid-state
Powder drops down onto calcium oxide storage tank 21 in pipeline and stores, and gaseous nitrogen and gaseous state aqueous mixtures are by the first condenser 29, gas
State water-cooled is congealed into aqueous water, then by steam-water separator 31 by water and nitrogen separation, nitrogen returns to the first nitrogen storage tank through pipeline
In 26, aqueous water is then flow in water storage tank 37.
Energy release process：In energy release process, reactant is lime powder, what calcium base reaction unit 14 was used
Fluidizing gas is the mixture of nitrogen and vapor.The 4th valve 19 and the 5th valve 24 are opened, now calcium oxide storage tank 21
In calcium oxide calcium base reaction unit 14 is delivered to by the second blower fan 23.The 6th valve 22 is opened, in the first nitrogen storage tank 26
Nitrogen is delivered to the gas distributor 11 in calcium base reaction unit 14 by the 3rd blower fan 20.In the startup rank of energy release process
Section, vapor is provided by additional steam pipe system, and vapor enters in gas distributor 11 through the 3rd triple valve 42, mixed with nitrogen
Sprayed by the blast cap on air distribution plate after conjunction, make reactant calcium oxide fluidization, the water in gaseous mixture occurs hydration and puts with calcium oxide
Thermal response generates calcium hydroxide.Product calcium hydroxide is transported to whirlwind point with remaining admixture of gas (nitrogen and water)
Gas solid separation is carried out from device 28.4th triple valve 16 is opened to the direction for leading to calcium hydroxide storage tank 18.Product is through cyclonic separation
After device 28 is separated, by the first condenser 29, vaporous water is condensed into aqueous water, then passes through for gaseous nitrogen and gaseous state aqueous mixtures
Steam-water separator 31 returns in the first nitrogen storage tank 26 water and nitrogen separation, nitrogen through pipeline, and aqueous water then flow to water storage tank
In 37.The calcium hydroxide powder of solid-state is then dropped down onto in horizontal boiling fluid bed 27 in pipeline.Calcium hydroxide powder is in horizontal boiling
Rise nitrogen in conveying the second nitrogen storage tank 32 by the first blower fan 25 in fluid bed 27 and realize boiling fluidization, with the second heating coil
In calcium hydroxide storage tank 18 being dropped down onto after water heat exchange in 27 through the solid outlet of horizontal boiling fluid bed 27.Second heating coil 27
In water conveyed from water storage tank 37 by feed pump 38, fluidised calcium hydroxide powder preheating of being seethed with excitement.Water after preheating is through pipe
Road is flow in drum 8.Aqueous water in drum 8 delivers to water-cooling wall by down-comer 9, anti-by calcium oxide hydration heat in water-cooling wall
The heat answered flow to drum 8, and realize steam-water separation in drum 8 to seething with excitement after boiling.Vapor in drum 8
The entrance that a part is delivered to gas distributor 11 by pipeline 41 (now needs the 3rd triple valve 42 of regulation to gas distributor 11
Way in), with replace steam pipe system be hydration heat react vapor is provided.Another part of vapor in drum 8
In by pipeline to superheater 12, thermosetting superheated steam is received in superheater 12.Superheated steam promotes steam turbine 34 to do
Work(generates electricity.Vapor after acting is in condensate flow backwater tank 37 in the second condenser 36.In whole energy release process,
In order to prevent the first heating coil 13 in reactor from overheating, by adjusting the first triple valve 2 so that in the first heating coil 13
Heavy oil pipeline interior circulation radiate.
Above-mentioned specific embodiment is not used to limit protection model of the present utility model to detailed description of the present utility model
Enclose, every within spirit of the present utility model and principle, any improvement, equivalent for being done etc. should be included in this reality
Within new protection domain.
Claims (8)
1. fluidization calcium base thermochemical high temperature energy storage/release can system, including energy input unit, energy storage units, energy be defeated
Go out unit, it is characterised in that：
--- described energy input unit includes solar heat absorber (1), electric heater (4), heavy oil storage tank (5), oil-feed pump
(6), the first heating coil (13)；Wherein, the outlet of heavy oil storage tank (5) is connected by pipeline with oil-feed pump (6) entrance, oil supply
The outlet of pump (6) is connected with the entrance of the second triple valve (3), one outlet and the electric heater (4) of the second triple valve (3)
Entrance is connected, and another outlet is connected with the entrance of the first triple valve (2), the one outlet of the first triple valve (2) with too
The entrance of positive energy heat dump (1) is connected, another outlet, the outlet of solar heat absorber (1) and electricity of the first triple valve (2)
The outlet of heater (4) is connected after being incorporated to same pipeline with the entrance of the first heating coil (13), the first heating coil (13)
Outlet then pass through the first valve（7）Entrance with heavy oil storage tank (5) is connected；
--- described energy storage units include calcium base reaction unit (14), cyclone separator (28), horizontal boiling fluid bed
(27), inertia separator (15), the second nitrogen storage tank (32), the first blower fan (25), calcium hydroxide storage tank (18), calcium oxide storage tank
(21), the second blower fan (23), the 3rd blower fan (20), gas distributor (11), the first nitrogen storage tank (26), steam-water separator
(31), the first condenser (29)；Wherein, the gas vent of calcium base reaction unit (14) is connected with the entrance of cyclone separator (28)
Connect, the solid outlet of cyclone separator (28) is connected with the solid inlet of horizontal boiling fluid bed (27), horizontal boiling fluidisation
The gas vent of bed (27) is connected with the entrance of inertia separator (15), the gas vent and the second nitrogen of inertia separator (15)
The entrance of gas storage tank (32) is connected, and the outlet of the second nitrogen storage tank (32) is through the 8th valve（33）With the first blower fan（25）Enter
Mouth is connected, the first blower fan（25）Outlet be connected with the gas access of horizontal boiling fluid bed (27), inertia separator
(15) solid outlet is through the second valve（43）It is incorporated to after same pipeline and with the solid outlet of horizontal boiling fluid bed (27)
The entrance of four triple valves (16) is connected, and the one outlet of the 4th triple valve (16) is connected with the entrance of calcium hydroxide storage tank (18)
Connect, another outlet is connected with the entrance of calcium oxide storage tank (21), and the outlet of calcium hydroxide storage tank (18) is through the 3rd valve
（17）Afterwards, the outlet of calcium oxide storage tank (21) is through the 4th valve（19）Outlet with the second blower fan (23) afterwards passes through pipeline and calcium base
The solid inlet of reaction unit (14) is connected, and the gas vent of cyclone separator (28) passes through the first condenser (29) and carbonated drink
Separator (31) entrance is connected, and the liquid outlet of steam-water separator (31) is through the 7th valve（30）Export single with following energy afterwards
The water storage tank of unit（37）A liquid inlet be connected, the gas vent and the first nitrogen storage tank (26) of steam-water separator (31)
Entrance be connected, the one outlet of the first nitrogen storage tank (26) is through the 5th valve（24）With the second blower fan（23）Entrance be connected
Connect, another outlet of the first nitrogen storage tank (26) is through the 6th valve（22）With the 3rd blower fan（20）Entrance be connected, the 3rd wind
Machine（20）Outlet be connected with an entrance of gas distributor (11)；
--- described energy output unit include water storage tank (37), feed pump (38), the second heating coil (40), drum (8),
Down-comer (9), water-cooling wall (10), steam pipeline (41), superheater (12), steam turbine (34), generator (35), the second condensation
Device (36)；Wherein, the outlet of water storage tank (37) passes through the 9th valve（39）It is connected with feed pump (38), feed pump (38) is through
Two heating coils (40) are connected with the liquid inlet of drum (8), and the liquid end of drum (8) passes through down-comer (9) and water-cooling wall
(10) communicate, water-cooling wall (10) and the composition circulation that connects with the gas end entrance of drum (8), of drum (8) gas end goes out
Mouth is by steam pipeline (41) and the 3rd triple valve（42）An entrance be connected, the 3rd triple valve（42）Another entrance
It is connected with external steam pipe network, the 3rd triple valve（42）One outlet be connected with another entrance of gas distributor (11)
Connect, another entrance of the outlet by superheater (12) afterwards with steam turbine (34) at drum (8) gas end is connected, vapor wheel
The outlet of machine (34) is connected by the second condenser (36) with another liquid inlet of water storage tank (37), steam turbine (34)
It is connected with generator (35).
2. fluidization calcium base thermochemical high temperature energy storage according to claim 1/release can system, it is characterised in that described
Calcium base reaction unit (14) uses circulating fluid bed reactor, and the reaction medium that circulating fluid bed reactor is used is solid hydrogen-oxygen
Change calcium powder or lime powder, solid calcium hydroxide powder or lime powder rely on the second blower fan (23) through the 3rd valve
(17) or in the 4th valve (19) entrance calcium base reaction unit (14)；To improve calcium base reaction unit (14) bottom fluidizing gas
Flow velocity, the external structure of calcium base reaction unit (14) is the cylindrical structure of back taper, and cone angle is 10 ° ~ 15 °, barrel sizes by
Stored energy capacitance determination, the allowable stress position 0.15MPa ~ 0.3MPa of device.
3. fluidization calcium base thermochemical high temperature energy storage according to claim 1/release can system, it is characterised in that described
Calcium base reaction unit (14) provides thermal source by solar heat absorber (1) or electric heater (4)；Solar heat absorber (1) and electricity add
Fluid in hot device (4) is heavy oil.
4. fluidization calcium base thermochemical high temperature energy storage according to claim 1 and 2/release can system, it is characterised in that described
The fluidizing gas that is used of calcium base reaction unit (14) be nitrogen or nitrogen and vapor mixture.
5. the fluidization calcium base thermochemical high temperature energy storage according to claim 1 or 3/release can system, it is characterised in that described
Solar heat absorber (1) be dish-style structure；Power supply used by electric heater (4) is power network trough-electricity.
6. fluidization calcium base thermochemical high temperature energy storage according to claim 1/release can system, it is characterised in that using sleeping
Formula fluidizing fluid-bed (27) is preheated for aqueous water, while the solid cooling of the generation calcium base reaction unit (14)；Horizontal boiling
The fluidizing gas of fluid bed (27) is nitrogen.
7. the fluidization calcium base thermochemical high temperature energy storage according to claim 1 or 6/release can system, it is characterised in that described
The gas distribution grid of horizontal boiling fluid bed (27) there is 5 ° ~ 10 ° of inclination angle, so as to calcium oxide or calcium hydroxide powder toward phase
The calcium oxide storage tank answered or calcium hydroxide storage tank direction are shifted.
8. fluidization calcium base thermochemical high temperature energy storage according to claim 1/release can system, it is characterised in that described
The gas vent side of horizontal boiling fluid bed (27) is connected to one or more inertia separators (15), to prevent solid powder quilt
Bring into the second nitrogen storage tank (32)；The solid outlet of described inertia separator (15) is by valve and horizontal boiling fluid bed
(27) solid outlet connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395787.0U CN206235221U (en) | 2016-04-30 | 2016-04-30 | Fluidization calcium base thermochemical high temperature energy storage/releasing can system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395787.0U CN206235221U (en) | 2016-04-30 | 2016-04-30 | Fluidization calcium base thermochemical high temperature energy storage/releasing can system |
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| Publication Number | Publication Date |
|---|---|
| CN206235221U true CN206235221U (en) | 2017-06-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757909A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | A kind of control method of energy resource system |
| CN113217986A (en) * | 2021-04-30 | 2021-08-06 | 董荣华 | Chemical heat accumulator and heating system adopting same |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757909A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | A kind of control method of energy resource system |
| CN109757909B (en) * | 2019-01-09 | 2021-10-29 | 青岛海尔空调器有限总公司 | Control method of energy system |
| CN113217986A (en) * | 2021-04-30 | 2021-08-06 | 董荣华 | Chemical heat accumulator and heating system adopting same |
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