CN108627041A - A kind of spiral plate type thermochemical high temperature energy storing-releasing reaction unit - Google Patents
A kind of spiral plate type thermochemical high temperature energy storing-releasing reaction unit Download PDFInfo
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- CN108627041A CN108627041A CN201810424749.7A CN201810424749A CN108627041A CN 108627041 A CN108627041 A CN 108627041A CN 201810424749 A CN201810424749 A CN 201810424749A CN 108627041 A CN108627041 A CN 108627041A
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- 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
- F28D20/003—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using thermochemical reactions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
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- 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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
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- 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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0069—Distributing arrangements; Fluid deflecting means
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- 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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0078—Heat exchanger arrangements
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention relates to high temperature heat technical field of memory, disclose a kind of spiral plate type thermochemical high temperature energy storing-releasing reaction unit, including shell, the upper end of the shell is equipped with steam outlet, the bottom of the shell is equipped with discharge outlet, the lower end of the shell is equipped with steam entry, the enclosure interior is equipped with barrier board and reactor, the reactor includes the first helical duct and the second helical duct, this first helical duct and the second helical duct side-by-side winding are simultaneously adjacent to, the arrival end of first helical duct and one end of inlet tube connect, the other end of this inlet tube is pierced by the side wall of second shell, the outlet end of first helical duct and one end of outlet connect, the other end of this outlet is pierced by the side wall of second shell, advantage is：There are two longer helical ducts for tool in the present invention, and fluid uniformly can be heated and be cooled down in fluid spiral channel, and its is compact-sized so very big that improve heat utilization efficiency.
Description
Technical field
The present invention relates to high temperature heat technical field of memory, and in particular to a kind of spiral plate type thermochemical high temperature energy storing-releasing is anti-
Answer device.
Background technology
Within the scope of the world today, the burning of fossil energy will produce a large amount of greenhouse gases and other toxic and harmful gas
And dust, bring a series of problem of environmental pollution.Therefore, the development and utilization of renewable and clean energy resource receives people's
Concern.Solar energy is a kind of widely distributed, clean environment firendly energy, efficiently using solar energy can alleviate current energy problem and
Problem of environmental pollution, Optimization of Energy Structure.
Focus type high temperature solar thermal energy power station converts solar energy into electrical energy.However, solar energy has intermittence, is difficult to hold
The features such as continuous supply, therefore it is the key that extensive development solar thermal power generation to improve thermal energy storage technology.
Currently, thermal energy storage mode mainly includes：Three kinds of sensible heat energy storage, hidden heat energy storage and heat chemistry energy storage modes.
Sensible heat energy storage refers to realizing the storage of heat by the variation of energy-accumulating medium temperature.Sensible heat energy storage is at low cost, skill
Art is ripe, but there is also heat loss when long-time storage it is big, energy storage density is low, required energy storage device is huge the shortcomings of, because without
Suitable for extensive thermal power generation.Hidden heat energy storage is also known as phase-change accumulation energy, when mainly being undergone phase transition by energy storage material absorb or
Heat is discharged to carry out the storage and release of heat.Hidden heat energy storage density ratio sensible heat is larger, and energy-storage system volume ratio sensible heat is smaller,
But the deficiencies of that there are thermal conductivities is small for hidden heat energy storage, energy storage temperature is low, heat loss is big, energy storage multi-cycle finite.
Heat chemistry energy storage carries out energy storage by reversible chemical reaction, using the reaction enthalpy in reaction process, is a kind of efficient
Energy storage means.Compared with other energy storage modes, energy storage density big (100~500kWh/m3), energy that heat chemistry energy storage has
Characteristic the advantages that without heat waste storage, suitable long-distance transportation is realized for a long time at ambient temperature, is the hi-temp hi-effective of solar thermal energy
Conversion, storage and transmission provide a kind of method of great development prospect.Heat chemistry energy storage can overcome the intermittence of solar energy,
The sustainable supply for realizing heat adjusts especially suitable for power plant's peak load, and releases thermal energy when spike generates electricity, and pushes vapour
Turbine generates electricity.
In theory, any to may be used to thermal energy storage in the presence of heat absorption/exothermic reversible chemical reaction.But research at present
More suitable heat chemistry energy storage reaction system mainly have：The thermal decomposition of metal hydride, point of oxide and peroxide
Solution, the reaction systems such as conversion of calcium hydroxide/calcium oxide.In order to make heat chemistry energy-storage system more efficiently run, in addition to energy storage
The selection of material is most important, the design to energy storage reactor and key technology urgently to be resolved hurrily.
Invention content
The purpose of the invention is to overcome above the shortcomings of the prior art, provide a kind of realization high temperature heat with
Chemical energy mutually converts, and the spiral plate type energy storing-releasing reaction unit by the high-quality heat energy of generation for every industry.
The purpose of the present invention is realized by the following technical solution：A kind of spiral plate type thermochemical high temperature energy storing-releasing reaction dress
It sets, including shell, the upper end of the shell is equipped with steam outlet, and the bottom of the shell is equipped with discharge outlet, the shell
Side wall lower ends are equipped with steam entry, and the enclosure interior is equipped with barrier board and reactor, this reactor is installed by barrier board
Between steam outlet and steam entry, the reactor includes the first helical duct and the second helical duct, this first
Helical duct and the second helical duct side-by-side winding are simultaneously adjacent to, and fluid, second spiral shell are mounted in first helical duct
Rotation fills reaction medium in channel, and the arrival end of first helical duct and one end of inlet tube connect, this inlet tube it is another
One end is pierced by the side wall of second shell, and the outlet end of first helical duct and one end of outlet connect, this outlet
The other end is pierced by the side wall of second shell, is connected to by the second helical duct between the steam entry and steam outlet,
The wherein described reaction medium is the first reaction medium or the second reaction medium, thermal energy storage process：First reaction medium endothermic decomposition at
Second reaction medium and vapor, exoergic process：Second reaction medium is reacted with vapor to be generated the first reaction medium and releases
Heat, first reaction medium be adulterate expanded graphite calcium hydroxide or magnesium hydroxide, second reaction medium be with
The corresponding calcium oxide or magnesia for being doped with expanded graphite of first reaction medium.
Further, first helical duct includes the first winding layer and the first sandwich layer in semi-cylindrical, and described
The inner end of one winding layer is connected with the first sandwich layer, and second helical duct includes the second winding layer and in the second of semi-cylindrical
The inner end of sandwich layer, second winding layer is connected with the second sandwich layer；The square of the rectangular side wall and the second sandwich layer of first sandwich layer
Shape side wall is adjacent to, and first winding layer and the second winding layer side-by-side winding are adjacent to；One end of the inlet tube and the first volume around
The outer end connection of layer, one end of the outlet is connect with the top of the first sandwich layer.
Further, it is equipped with honeycomb made of stainless steel in the inner cavity of second winding layer and the second sandwich layer.
Further, equally distributed spacing column is equipped in the inner cavity of first winding layer.
Further, the shell includes first shell, second shell and third shell, and the first shell passes through first
The upper end of flange and second shell connects, and the third shell is connected by the lower end of second flange and second shell, described anti-
Device is answered to be located in the inner cavity of second shell, the steam outlet is installed on the top of first shell, and the discharge outlet is installed on
The bottom of third shell, the steam entry are installed on the side wall lower ends of third shell.
Further, gas distribution plate is installed in the inner cavity of the third shell, and the gas distribution plate is installed on
The top of steam entry, on the gas distribution plate tool there are three above stomata, the stomata on gas distribution plate
Even distribution.
Further, the barrier board includes connecting rod and connecting plate, and the connecting rod is mounted on the both sides of connecting plate, institute
It states connecting rod to connect by the side wall of second flange and second shell, the connecting plate is reticular structure, the reactor installation
In on connecting plate.
Further, vertical support is installed in the hull outside insulation layer package, the bottom of the third shell.
Further, the equivalent diameter (DN) of the reactor be 700~800mm, the inlet tube, outlet nominal
Diameter (dn) is 65~100mm, bearing capacity PN≤1.6MPa of the reactor, wherein the first helical duct, the second spiral
The width (b) in channel is 6~14mm, and the thickness (Φ) of stainless steel plate is 2~3mm, the height (H) of stainless steel plate is 500~
800mm。
Further, first helical duct, the second helical duct are all made of the spiral plate of stainless steel,
The present invention has the following advantages compared with the existing technology：
1, degree of controllability is high, heat transfer effect is good, and fluid uniformly can be heated and be cooled down in the first helical duct,
The temperature of fluid in the first helical duct outlet can be accurately controlled.When energy storage, the hot fluid heated flows into the first spiral shell
It revolves in channel, self heat is passed to the first reaction medium in the second helical duct so that the first reaction medium heat absorption hair
Raw decomposition reaction generates the second reaction medium and vapor, and when releasing energy, the second reaction medium and water in the second helical duct steam
Solid/liquid/gas reactions produce calcium hydroxide and a large amount of heat generates first medium and sends out a large amount of heat, and a large amount of heat is passed by the heat of wall surface
The effect of passing heats the fluid in the first helical duct, for heating or generating electricity.By to being flowed in the first helical duct outlet
The measurement of temperature variation, feedback carry out adjusting appropriate in fluid flow rate, to realize to reaction rate in reaction process
Control, and to the rate of heat exchange and the control of efficiency of utilization.
2, reasonable design, heat utilization efficiency is high, and the double helix channel design of the reaction unit makes it compared with other reactors,
The heat transfer area with bigger under same volume conditions, while double helix channel design is compact and makes the appearance of the device
Area is smaller, and convection heat losses are few with external environment, so very big that improve heat utilization efficiency.
3, simple in structure, easy to operate, which is readily disassembled and assembles, and shell is designed using seperated, is divided into the
One shell, second shell, third shell, wherein pass through flanged joint, flange between first shell, second shell, third shell
Connecting place has rubber ring seal, and disassembly and assembly is simple and convenient, can be with the modular combination reaction unit, to adapt to different work(
The warm thermal power generation of the confession of rate needs.
4, environmentally protective, pollution is small, solar energy can be made full use of, with (or magnesium hydroxide/the oxidation of calcium hydroxide/calcium oxide
Magnesium) it is energy-accumulating medium, reversible reaction occurs in the second helical duct： It realizes solar energy permanent, storage-stable in the form of chemical energy, and does not generate secondary anti-
It answers, in thermal energy storage process：First reaction medium is thermally decomposed to generate the second reaction medium and vapor, and the vapor of generation can pass through
Cellular stainless (steel) wire is discharged from steam outlet, realizes the gas solid separation of vapor and reaction product calcium oxide.When needing heat
When energy, the second reaction medium and vapor occur hydration reaction and release a large amount of heat to provide high-grade thermal energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the vertical view of reactor in the present invention；
Fig. 3 be Fig. 2 along A-A to cross-sectional view；
Fig. 4 is the structural schematic diagram inside the first helical duct in the present invention；
Fig. 5 is the structural schematic diagram of barrier board in the present invention；
Fig. 6 is the structural schematic diagram of gas distribution plate in the present invention；
In figure, 1, first shell；2, second shell；3, third shell；4, steam outlet；5, reactor；6, discharge outlet；
7, steam entry；8, barrier board；9, the first helical duct；10, the second helical duct；11, inlet tube；12, outlet；13、
Cellular stainless (steel) wire；14, end cap；15, spacing column；16, gas distribution plate；17, stomata；18, connecting rod；19, connecting plate；
20, insulating layer；21, vertical support；22, first flange；23, second flange；24, the first sandwich layer；25, the first winding layer；26,
Two sandwich layers；27, the second winding layer.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
As Fig. 1-3 (reactor in Fig. 1 and Fig. 3 be Fig. 2 along A-A to cross-sectional view, the reactor of Fig. 1
In spacing column and cellular stainless (steel) wire is omitted, the spacing column in the first helical duct is omitted in Fig. 3) shown in a kind of spiral shell
The upper end of plate turning type thermochemical high temperature energy storing-releasing reaction unit, including shell, the shell is equipped with steam outlet 4, the shell
The bottom of body is equipped with discharge outlet 6, and the side wall lower ends of the shell are equipped with steam entry 7, and the enclosure interior is equipped with barrier board 8
With reactor 5, this reactor 5 is installed on by barrier board 8 between steam outlet 4 and steam entry 7, the reactor 5
Including the first helical duct 9 and the second helical duct 10, this first helical duct 9 and 10 side-by-side winding of the second helical duct are simultaneously pasted
Tightly, it is mounted with fluid in first helical duct 9, reaction medium, first spiral shell are filled in second helical duct 10
The arrival end in rotation channel 9 is connect with one end of inlet tube 11, and the other end of this inlet tube 11 is pierced by the side wall of second shell 2, institute
The outlet end for stating the first helical duct 9 is connect with one end of outlet 12, and the other end of this outlet 12 is pierced by second shell 2
Side wall, the steam entry 7 and steam outlet 4 are connected to by the second helical duct 10.The wherein described reaction medium is the
One reaction medium or the second reaction medium, thermal energy storage process：First reaction medium endothermic decomposition at the second reaction medium and vapor,
Exoergic process：Second reaction medium is reacted with vapor generates the first reaction medium and heat, and first reaction medium is to mix
The calcium hydroxide or magnesium hydroxide of miscellaneous expanded graphite, second reaction medium are be doped with corresponding with the first reaction medium
The calcium oxide or magnesia of expanded graphite, in reaction medium adulterate expanded graphite be in order to improve the fluffy degree of reaction medium,
Be conducive to the progress of reaction, reaction medium falls off from the second helical duct 10 in order to prevent and prophylactic response medium is tied
Block, external in reaction medium wrap up cellular stainless (steel) wire 13, and the fluid in the first helical duct 9 is heavy oil, and fluid is from entering
Mouth pipe 11 flows into the first helical duct 9 and the first helical duct 9, the first helical duct 9 and the second spiral shell is discharged from outlet 12
Channel 10 is revolved mutually close to the transmission for being conducive to heat between the two, improves heat exchanger effectiveness.
As Figure 2-3, (Fig. 3 be Fig. 2 along A-A to cross-sectional view, the first helical duct 9 is omitted in Fig. 3
In spacing column 15) 9 channel of the first spiral includes the first winding layer 25 and the first sandwich layer 24 in semi-cylindrical, described
The inner end of one winding layer 25 and the connection of the first sandwich layer 24, second helical duct 10 include the second winding layer 27 and are in semicolumn
Second sandwich layer 26 of shape, the connection of second winding layer, 27 and second sandwich layer 26；The rectangular side wall of first sandwich layer 24 and the
The rectangular side wall of two sandwich layers 26 is adjacent to, and the inner end of first winding layer 25 and 27 side-by-side winding of the second winding layer are adjacent to；It is described
One end of inlet tube 11 is connect with the outer end of the first winding layer 25, and one end of the outlet 12 and the top of the first sandwich layer 24 connect
It connects, the purpose being arranged in this way is anti-with the chemistry that occurs in the second helical duct 10 in order to enable fluid that gravity to be overcome to flow up
Sufficient heat exchange should be carried out, the first sandwich layer 24 is close to side by side with the second sandwich layer 26, the first winding layer 25 and the second winding layer 27
Side-by-side winding is close to, and is to improve the utilization rate of heat to accelerate heat-transfer rate.
As shown in Figure 3 (Fig. 3 be Fig. 2 along A-A to cross-sectional view, be omitted in the first helical duct 9 in Fig. 3
Spacing column 15), honeycomb made of stainless steel, honeycomb are equipped in the inner cavity of second winding layer, 27 and second sandwich layer 26
Structure is cellular stainless (steel) wire 13, and prophylactic response medium lumps.This cellular stainless (steel) wire 13 is wrapped in reaction medium
Outside, prevent reaction medium from falling off from the second helical duct 10, and prevent reaction medium from luming.
As shown in figure 4, equally distributed spacing column 15 is equipped in the inner cavity of the first winding layer 25, in 25 phase of the first winding layer
Spacing column 15 is set in distance in adjacent inner cavity.First helical duct 9 is sealing structure, and end cap 14, end cap are installed in outlet end
14 are connected to outlet 12, and also peace turns spacing column 15 in the inner cavity of the first winding layer 25, the width of spacing column 15 and the first volume around
The inner cavity internal diameter of layer 25 is equal, and the height of spacing column 15 is less than the height of helical duct, and spacing column 15 is so that the first helical duct 9
In when the fluid flows generate turbulent flow, improve heat transfer efficiency, and spacing column 15 plays support in the first helical duct 9
Effect, can not only increase the rigidity of steel plate also prevents the width deformation of inner cavity.
As shown in Figure 1, the shell includes first shell 1, second shell 2 and third shell 3, the first shell 1 is logical
It crosses first flange 22 to connect with the upper end of second shell 2, the third shell 3 passes through under second flange 23 and second shell 2
End connection, the reactor 5 are located in the inner cavity of second shell 2, and the steam outlet 4 is installed on the top of first shell 1,
The discharge outlet 6 is installed on the bottom of third shell 3, and the steam entry 7 is installed on the side wall lower ends of third shell 3.The
One shell 1, second shell 2, the inner cavity of third shell 3 are interconnected, are in order to which vapor can circulate and work as in the housing
Vapor facilitates discharge when condensing into liquid water to the cold, to ensure that the chemical reaction in reactor 5 is smoothed out.First spiral
In second helical duct 10 is wrapped in by channel 9, this is to reduce heat loss to improve heat transference efficiency during the reaction,
First helical duct 9 uses sealing structure, and the fluid leakage for preventing it internal, two sections up and down of the second helical duct 10 are opened
Mouthful, it is the disengaging of vapor for convenience and the water that discharge vapor condensation generates, barrier board 8 is ventilating structure, is being ensured
While vapor can pass through, also play a supporting role to reactor 5.It is with calcium hydroxide/calcium oxide reaction system
Example：Reversible reaction occurs in reactor 5： Wherein, hydrogen-oxygen
Change calcium be thermally decomposed into calcium oxide and vapor be energy storage react, calcium oxide and vapor reaction generate calcium hydroxide and largely
Heat is exoenergic reaction.Energy storage reaction process is：It is flowed into inlet tube 11 by the hot fluid of solar energy heating, hot fluid is from inlet tube
11 the first helical ducts 9 of inflow simultaneously flow out the first helical duct 9 from outlet 12 and are passed heat by the first helical duct 9
The calcium hydroxide in the second helical duct 10 is passed, to drive the decomposition reaction of calcium hydroxide, generates calcium oxide and vapor,
Realize conversion of the thermal energy to chemical energy, wherein calcium oxide rests in the second helical duct 10, and vapor passes through first shell 1
Steam outlet 4 be discharged；Exoenergic reaction process is：Cold fluid to be heated is flowed into inlet tube 11, passes through steam entry 7
Inputting steam generator to third shell 3 adds thermogenetic vapor, vapor to be flowed into from third shell 3 according to principle of dynamics
Second shell 2 is entered by barrier board 8 in the second helical duct 10, to which the hydration in the second helical duct 10 of driving is anti-
It answers, with vapor exothermic reaction occurs for calcium oxide, generates calcium hydroxide and releases a large amount of heat, passes through heat-conduction effect, hydration
It reacts the heat generated and the cold fluid of the first helical duct 9 is heated into hot fluid, hot fluid is discharged second by outlet 12
Shell 2, for heating, generating electricity or other hot industry occasions, when the vapor in shell condenses into droplet to the cold, according to weight
Force effect is discharged from the discharge outlet 6 of 3 bottom of third shell.
As shown in Fig. 1, Fig. 6, gas distribution plate 16 is installed, and the gas distributes in the inner cavity of the third shell 3
Plate 16 is installed between steam entry 7 and reactor 5, and there are three above stomata 17, institutes for tool on the gas distribution plate 16
It states stomata 17 to be uniformly distributed on gas distribution plate 16, as shown in fig. 6, stomata 17 is in equilateral triangle on gas distribution plate 16
Distribution makes the vapor across gas distribution plate 16 evenly into the second helical duct 10.
As shown in figure 5, the barrier board 8 includes connecting rod 18 and connecting plate 19, the connecting rod 18 is mounted on connecting plate
19 both sides, the connecting rod 18 are connect by second flange 23 with the side wall of second shell 2, and the connecting plate 19 is stainless steel
Manufactured reticular structure has trepanning, the size of trepanning to determine that connecting plate 19 also may be used by the mesh number of stainless (steel) wire on connecting plate 19
To be stacked by multiple stainless (steel) wires, the inner cavity of connecting plate and the second helical duct 10 matches, and vapor penetrates connecting plate
It enters in the inner cavity of the second helical duct.Barrier board 8 is made of steel structure, and connecting plate 19 is round stainless (steel) wire, no
But effectively prevent reaction medium from falling off from the second helical duct 10, it is ensured that passing through for vapor, vapor can
To be entered in the inner cavity of the second helical duct 10 by the stainless (steel) wire on connecting plate 19, and its steel structure can also rise
To the effect of support reactor 5, reactor is bolted to connection with connecting plate.
As shown in Figure 1, the hull outside wraps up insulating layer 20, insulating layer 20 can reduce shell and be handed over extraneous heat
It changes, improves the utilization rate of heat, vertical support 21 is installed in the bottom of the shell, and vertical support 21 is used to support shell, increases
The stability of shell.
Fluid in first helical duct 9 is heavy oil.
It is connected by first flange 22 between the first shell 1 and second shell 2, the second shell 2 and third shell
It is connected by second flange 23 between body 3, it is each interregional using flanged joint, it ensure that the disassembly and assembly of the present apparatus, flange
Rubber washer is also installed in junction, ensures the leakproofness of enclosure interior, in actual use can be anti-by modularization assembling sheet
Device is answered, to adapt to heating or the thermal power generation needs of different capacity.
The specific working mode of the present apparatus is (by taking calcium hydroxide/calcium oxide system as an example)：
Thermal energy storage process：It is heated using sun thermal convection current body, high temperature heat transfer fluid is flowed into the first spiral shell from inlet tube 11
It revolves in channel 9, is heated by the second helical duct of inner wall pair 10 of the first helical duct 9, in the second helical duct 10
The heated reaction of decomposing of calcium hydroxide, generates calcium oxide and vapor, realizes conversion of the thermal energy to chemical energy, and with calcium oxide
Form carry out energy storage.The vapor of generation passes through the second helical duct 10 to be discharged from steam outlet, realizes gas-particle two-phase
Separation.
Exoergic process：Vapor is passed through into shell from steam entry 7, vapor is steamed by gas distribution plate 16
The distribution of vapour.It is anti-that the vapor of rising contacts generation hydration heat by barrier board 8 with the calcium oxide in the second helical duct 10
It answers.Low temperature cold fluid is flowed into from inlet tube 11 in the first helical duct 9, after absorbing a large amount of thermal energy that hydro-combination process is sent out, from
Outlet 12 is discharged, and obtained high-temperature hot fluid can be used for heating, power generation or other hot industry occasions.
Wherein the first helical duct of stainless steel 9 is close to surround setting side by side with the second helical duct 10, can improve
Heat conduction rate reduces thermal loss, heat absorption, exothermic reaction is made quickly to carry out.
This programme implements required equipment component material installation parameter and refers to following table：
After this programme is implemented, solar energy resources are both made full use of, realize the rational exploitation and use of solar energy, and are reduced
Energy Consumption Cost improves economic results in society, meets the requirement of " energy-saving and environmental emission reduction ".This programme directly docks one
The interface of the large-scale heating equipment central heating of platform 150KW, so that it may to drive 5000m2Central heating, ensure high thermal efficiency
While, energy saving up to 70% or more, the average monthly power consumption per square meter is at 5~8 degree or so.According to the energy storage of system and release
Energy cyclic process is calculated according to annual solar heat energy storage total amount for steam turbine continue working, relative to current China for 100 days
100W thermal power generation for, CO can be effectively reduced2About 20000 tons/year of discharge.
Above-mentioned specific implementation mode is the preferred embodiment of the present invention, can not be limited the invention, and others are appointed
The change or other equivalent substitute modes what is made without departing from technical scheme of the present invention, are included in the protection of the present invention
Within the scope of.
Claims (10)
1. the upper end of a kind of spiral plate type thermochemical high temperature energy storing-releasing reaction unit, including shell, the shell is equipped with vapor
The bottom of outlet, the shell is equipped with discharge outlet, and the side wall lower ends of the shell are equipped with steam entry, which is characterized in that institute
State enclosure interior and be equipped with barrier board and reactor, this reactor by barrier board be installed on steam outlet and steam entry it
Between, the reactor includes the first helical duct and the second helical duct, this first helical duct and the second helical duct are arranged side by side
It winds and is adjacent to, fluid is mounted in first helical duct, fill reaction medium in second helical duct, described
The arrival end of one helical duct and one end of inlet tube connect, and the other end of this inlet tube is pierced by the side wall of second shell, described
The outlet end of first helical duct and one end of outlet connect, and the other end of this outlet is pierced by the side wall of second shell, institute
It states and is connected to by the second helical duct between steam entry and steam outlet.
2. spiral plate type thermochemical high temperature energy storing-releasing reaction unit according to claim 1, it is characterised in that：Described first
Helical duct includes the first winding layer and the first sandwich layer in semi-cylindrical, and the inner end of first winding layer and the first sandwich layer connect
It connects, second helical duct includes the second winding layer and the second sandwich layer in semi-cylindrical, the inner end of second winding layer
It is connected with the second sandwich layer；The rectangular side wall and the rectangular side wall of the second sandwich layer of first sandwich layer are adjacent to, first winding layer
It is adjacent to the second winding layer side-by-side winding；One end of the inlet tube is connect with the outer end of the first winding layer, the outlet
One end is connect with the top of the first sandwich layer.
3. spiral plate type thermochemical high temperature energy storing-releasing reaction unit according to claim 2, it is characterised in that：Described second
It is equipped with honeycomb made of stainless steel in the inner cavity of winding layer and the second sandwich layer.
4. spiral plate type thermochemical high temperature energy storing-releasing reaction unit according to claim 2, it is characterised in that：Described first
Equally distributed spacing column is equipped in the inner cavity of winding layer.
5. spiral plate type thermochemical high temperature energy storing-releasing reaction unit according to claim 1, it is characterised in that：The shell
Including first shell, second shell and third shell, the first shell is connected by the upper end of first flange and second shell,
The third shell is connected by the lower end of second flange and second shell, and the reactor is located in the inner cavity of second shell,
The steam outlet is installed on the top of first shell, and the discharge outlet is installed on the bottom of third shell, the vapor
Entrance is installed on the side wall lower ends of third shell.
6. spiral plate type thermochemical high temperature energy storing-releasing reaction unit according to claim 5, it is characterised in that：The third
Gas distribution plate is installed, and the gas distribution plate is installed on the top of steam entry, the gas in the inner cavity of shell
There are three above stomatas, the stomata to be uniformly distributed on gas distribution plate for tool on distribution plate.
7. according to claim 1-6 any one of them spiral plate type thermochemical high temperature energy storing-releasing reaction units, it is characterised in that：
The barrier board includes connecting rod and connecting plate, and the connecting rod is mounted on the both sides of connecting plate, and the connecting rod passes through second
Flange and the side wall of second shell connect, and the connecting plate is reticular structure, and the reactor is installed on connecting plate.
8. spiral plate type thermochemical high temperature energy storing-releasing reaction unit according to claim 1, it is characterised in that：The shell
Vertical support is installed in external insulation layer package, the bottom of the third shell.
9. according to claim 1-4 any one of them spiral plate type thermochemical high temperature energy storing-releasing reaction units, it is characterised in that：
The equivalent diameter (DN) of the reactor be 700~800mm, the inlet tube, outlet nominal diameter (dn) be 65~
100mm, bearing capacity PN≤1.6MPa of the reactor, wherein the width (b) of the first helical duct, the second helical duct is
The thickness (Φ) of 6~14mm, stainless steel plate are 2~3mm, and the height (H) of stainless steel plate is 500~800mm.
10. spiral plate type thermochemical high temperature energy storing-releasing reaction unit according to claim 9, it is characterised in that：Described
One helical duct, the second helical duct are spiral plate made of stainless steel.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109855306A (en) * | 2019-02-19 | 2019-06-07 | 中国科学院工程热物理研究所 | Electric heat storage boiler, energy supplying system and method based on heat chemistry energy storage |
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