CN107167013A - A kind of accumulation of energy heat-exchanger rig - Google Patents
A kind of accumulation of energy heat-exchanger rig Download PDFInfo
- Publication number
- CN107167013A CN107167013A CN201710507956.4A CN201710507956A CN107167013A CN 107167013 A CN107167013 A CN 107167013A CN 201710507956 A CN201710507956 A CN 201710507956A CN 107167013 A CN107167013 A CN 107167013A
- Authority
- CN
- China
- Prior art keywords
- accumulation
- heat
- energy
- rare
- air channel
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- 238000009825 accumulation Methods 0.000 title claims abstract description 90
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 34
- 238000005485 electric heating Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 85
- 150000002910 rare earth metals Chemical class 0.000 claims description 81
- 239000000919 ceramic Substances 0.000 claims description 67
- 239000000463 material Substances 0.000 claims description 53
- 239000012782 phase change material Substances 0.000 claims description 38
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 30
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 24
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 20
- 239000006104 solid solution Substances 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 20
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 13
- 238000005245 sintering Methods 0.000 claims description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 239000004964 aerogel Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- -1 rare earth nitrate Chemical class 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000011775 sodium fluoride Substances 0.000 claims description 3
- 235000013024 sodium fluoride Nutrition 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 235000011181 potassium carbonates Nutrition 0.000 claims description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 2
- 235000011151 potassium sulphates Nutrition 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 229910052746 lanthanum Inorganic materials 0.000 claims 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 239000012071 phase Substances 0.000 description 14
- 239000001913 cellulose Substances 0.000 description 8
- 229920002678 cellulose Polymers 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000113 differential scanning calorimetry Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 2
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- 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
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention relates to accumulation of energy heat-exchanger rig, including accumulation of energy heap, heat exchanger, heating tube and blower fan；Heat-insulation layer A is provided with around accumulation of energy heap, the gap left between accumulation of energy heap and heat-insulation layer A is as air channel, while provided with ventilation groove in accumulation of energy heap；It is connected between blower fan and heat exchanger by pipeline, the other end of blower fan is accessed in the A of air channel by pipeline, the other end of heat exchanger is accessed in the B of air channel by pipeline, wherein, air channel A and air channel B refer to the air channel formed between two ends relative in accumulation of energy heap and heat-insulation layer A；Electric heating tube, which is located in accumulation of energy heap, to be used to heat accumulation of energy heap, air-flow enters accumulation of energy heap under blower fan drive by air channel A, accumulation of energy heap heats air-flow, and the present invention utilizes low ebb electric heating energy heap, and slowly discharges heat air-flow using accumulation of energy heap, by as hot blast, hot blast enters after heat exchanger heat exchange, is changed into cold wind and is again introduced into blower fan, and air channel A is again introduced under blower fan drive, moved in circles with this, realize the purpose of accumulation of energy heat exchange.
Description
Technical field
The invention belongs to phase-change accumulation energy transducing field, it is related to a kind of accumulation of energy heat-exchanger rig.
Background technology
At present, building and heating and industrial or agricultural heat can consume the high-grade energies such as substantial amounts of fossil energy, electric power, while also producing
The pollutants such as substantial amounts of carbon dioxide are given birth to.Therefore, for response national energy-saving emission reduction and the call of energy reproducible utilization, it is necessary to
Developing the cheap reproducible energy is used for building and heating and industrial or agricultural heat preservation and heat supply technology.
Trough-electricity is that country encourages the cheap energy that uses, but the problem of be due to the period, trough-electricity cannot often fill
The utilization divided, is also applied to building and heating and industrial or agricultural heating field more and more widely.In order to store heat, people invent
The miscellaneous technology that heat is stored with heat accumulating.
Electric power is to clean and the convenient energy, and higher electricity price is the restriction widely used principal element of user, still, from
For the interests of State Grid's system, serious peak load difference must be adjusted, and otherwise not only influence the efficiency of whole system,
Necessarily increase the investment of power construction, than construction storage station come, user side have a large capacity and a wide range use energy storage equipment and production
Product are the most economical, and people are referred to as this storage station without construction investment.In this respect, the heat supply of electric heating phase-change accumulation energy is filled
It is the main application form of two kinds of electric heating accumulation of energy to put with electric heating retaining energy storage heating plant, and phase-changing energy-storing is substantially better than retaining energy storage,
But the former never have maturation phase-change material and phase change energy storage technology can carry out large-scale engineer applied, therefore, this into
The significance of fruit is that there is provided this material and technology.
Phase-change material is exactly that a kind of can store the material of heat energy.Biofacies is issued in specific temperature (such as phase transition temperature)
While change, along with neither endothermic nor exothermic, it is possible thereby to control the temperature of surrounding environment or to store heat energy.Heat or
Cold is stored, and it is discharged again when needed, so as to improve the utilization rate of the energy.It can be improved in terms of building
Building field energy use efficiency, reduces building energy consumption, and saving the energy and environmental protection for entire society all has significantly
Economic benefit and social influence.Using phase-changing energy-storing building materials can effectively using solar energy come accumulation of heat or electric load low ebb when
The electric power of phase comes accumulation of heat or cold-storage, makes that the hot-fluid fluctuating range between Indoor environment and outdoor weakens, action time is delayed by,
So as to reduce the temperature fluctuation of interior, improve comfort level and save energy consumption.
Phase-change material can be divided into：Organic phase change material and inorganic phase-changing material.Organic phase-change material mainly include paraffin,
Aliphatic acid and polyalcohol, such phase-change material performance are stable, non-corrosiveness, but its heat storage capacity is poor.Therefore research at present
The most extensive or stronger inorganic phase-changing material of heat storage capacity, the heat storage capacity of most inorganic matter energy storage materials of phase change is stronger
But with corrosivity, limit its extensive utilization.
Therefore, how the excellent phase-change material of processability and effectively to utilize phase-change material be the current skill for needing to solve
Art problem.
The content of the invention
The purpose of the present invention is that there is provided a kind of accumulation of energy heat-exchanger rig in view of the shortcomings of the prior art.The accumulation of energy of the present invention is changed
The energy (such as electric power) heating phase-change material that thermal can not be consumed using outside, by thermal energy storage in phase-change material, together
The Shi Liyong blower fans constantly circulating current between phase-change material and heat exchanger, phase-change material slowly releases the heating tube heat energy of absorption
Put and hot blast is formed into air-flow, hot blast enters after heat exchanger heat exchange, is changed into cold wind and is again introduced into blower fan, under blower fan drive again
Secondary entrance air channel A, is moved in circles with this, realizes the purpose of accumulation of energy heat exchange.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of accumulation of energy heat-exchanger rig, the accumulation of energy heat-exchanger rig includes accumulation of energy heap, heat exchanger, heating tube and blower fan；Accumulation of energy
Heat-insulation layer A is provided with around heap, the gap left between accumulation of energy heap and heat-insulation layer A is as air channel, while provided with use in accumulation of energy heap
In the groove of ventilation；
It is connected between blower fan and heat exchanger by pipeline, the other end of blower fan is accessed in the A of air channel by pipeline, heat exchanger
The other end is accessed in the B of air channel by pipeline, wherein, air channel A and air channel B refer to two ends relative in accumulation of energy heap and heat-insulation layer A it
Between the air channel that is formed；
The heating tube, which is located in accumulation of energy heap, to be used to heat accumulation of energy heap, and air-flow is entered under blower fan drive by air channel A
Air-flow is heated as hot blast by accumulation of energy heap, accumulation of energy heap, and hot blast enters after heat exchanger heat exchange, is changed into cold wind and is again introduced into blower fan,
Air channel A is again introduced under blower fan drive, is moved in circles with this, the purpose of accumulation of energy heat exchange is realized.Heat exchanger is arranged on accumulation of energy heap
Top, the thermal efficiency is higher；
The accumulation of energy heap stores exoergic material by rare-earth ceramic high temperature and constituted；The rare-earth ceramic high temperature, which stores exoergic material, to be included
Phase-change material and rare-earth ceramic；The aperture of the rare-earth ceramic is 450-1000nm, porosity of=50%；Phase-change material is uniformly embedding
Enter in the hole of rare-earth ceramic；Phase-change material volume accounts for the 1/2-2/3 of its embedded hole inner volume；
The phase-change material is inorganic salt mixt, and the phase transition temperature that the inorganic salt mixt is changed into liquid from solid-state is
820-920℃；The rare-earth ceramic includes the solid solution of zirconium oxide and rare earth oxide；Shaping during the rare-earth ceramic sintering
Temperature is 1480-1560 DEG C.
It is used as preferred technical scheme：
It is preferred that, it also is provided with heat-insulation layer B outside the pipeline and device beyond heat-insulation layer A；The heating tube is electric heating tube；
Rare-earth ceramic high temperature stores exoergic material use mould and becomes brick shape, and brick shape surface is provided with ventilation groove, and brick shape is dilute
Native ceramic high temperature stores exoergic material and is built into accumulation of energy heap；
It is provided with heat exchanger in heat exchanger tube, heat exchanger tube and is connected with cold water；
The connecting line and blower fan and heat exchanger between connecting line, heat exchanger and air channel B between blower fan and air channel A
Between connecting line between be equipped with stop valve.
It is preferred that, the electric heating tube is that rare earth calls out energy electric heating tube；The heat-insulation layer A or B be 3 centimetres of silicate aluminum boards and
The composite heat-insulating layer of 10 centimetres of aerogel heat-insulating insulation felt material formation.
The heating tube is electric heating tube, and specially rare earth calls out energy electric heating tube；Wherein, rare earth call out can electric heating tube it is specific
Being called out for the rare earth disclosed in Chinese patent CN201611156150.7 can ceramic electric heating element, Tianjin Lang Hua Science and Technology Ltd.s
Own this product of production, electrical heating efficiency improves more than 20%.The product is a kind of heat energy for adding rare earth oxide activation
Wide spectrum (including far infrared, ultraviolet, visible ray) absorbs transition material, and electricity is wasted into luminous that in acting adstante febre
Dividing can wake up and utilize, and referred to as nano rare earth calls out the special porcelain of energy.Material attachment, any moulding is sintered in more advanced infrared
On the ceramic matrixs such as electric heating material, carborundum, cordierite, SiO2, form rare earth and call out the special porcelain of energy.The material was ground by 10 years
Hair experiment, more than 90% is reached by the thermal conversion efficiency of electric energy, compared with traditional heating mode, saves 24-32%, operating efficiency
High, energy-saving effect is obvious.
The heat-insulation layer A or B is the compound guarantor of 3 centimetres of silicate aluminum boards and 10 centimetres of aerogel heat-insulating insulation felt material formation
Warm layer.Wherein, silicate aluminum board is in internal layer, and aerogel heat-insulating is incubated felt material layer and atmosphere outside.Aerogel heat-insulating is incubated
Felt material is also the own this product of production of Tianjin Lang Hua Science and Technology Ltd.s.Specific preparation method is see being Chinese patent Shen
Please number technical scheme disclosed in 2017102791275.
The critically important part of accumulation of energy heat-exchanger rig of the present invention is insulation, and insulation of the invention uses 3 centimetres of alumina silicate
Plate adds 10 centimetres of aerogel heat-insulating insulation felt materials, it is ensured that surface temperature when device works is less than 30 DEG C, subtracts to greatest extent
Heat is lost less.
One layer of ceramic wafer can also be bonded with binding agent outside the accumulation of energy heap of the present invention, played to the further of phase-change material
Sealing, prevents the problem of phase-change material is revealed.But the ceramic wafer does not influence the ventilation effect of accumulation of energy heap.
It is preferred that, the inorganic salt mixt includes the component of following parts by weight：12-18 parts of lithium fluoride；Sodium chloride 50-
70 parts；15-35 parts of potassium chloride；20-30 parts of sodium carbonate.
It is preferred that, the inorganic salt mixt also includes the calcium chloride of 20-30 parts by weight.
It is preferred that, the inorganic salt mixt also includes magnesium fluoride, sodium fluoride, barium carbonate, potassium carbonate, sodium sulphate or sulfuric acid
One kind in potassium；Addition of the above-mentioned substance in phase-change material is 5-10 parts.
It is preferred that, the rare-earth ceramic includes the component of following parts by weight：92-98 parts of aluminum oxide；Zirconium oxide and rare earth
5-8 parts of the solid solution of oxide；1-3 parts of magnesia.
It is preferred that, the rare earth oxide is specially one kind in lanthana, yittrium oxide or cerium oxide；Rare earth oxide with
The mol ratio of zirconium oxide is 0.05-0.5:1.
It is preferred that, the preparation method of the solid solution of zirconium oxide and rare earth oxide is：Zirconyl chloride solution is utilized into ammoniacal liquor
Solution adjusts pH value to 8, stands and is filtered after 24h, and colloidal sol is made in washing；Then colloidal sol is heated to 80 DEG C, adds rare earth nitre
Acid salt solution, then adjusts pH value to 7 using ammonia spirit, adds hydrogen peroxide, filters, burns after mixing slowly reaction 2-4h
Knot；The temperature curve used during sintering is warming up to 350 DEG C for the heating rate by 1 DEG C/min, after 350 DEG C are incubated 1h, by phase
Same heating rate is warming up to 800-920 DEG C, then after 800 DEG C are incubated 1h, Temperature fall；Zirconium oxide and rare-earth oxidation is made
The solid solution of thing；
The rare earth nitrate solution is filtering after rare earth nitrades are dissolved in the deionized water of its 8-10 times of volume number
Obtained solution；
The zirconyl chloride solution is obtained molten after zirconium oxychloride is dissolved in the deionized water of its 6-8 times of volume number
Liquid；
The addition of rare earth nitrades is 0.05-0.5 with the ratio between the molal quantity of zirconium oxychloride based on oxide:1；
The ratio of the addition and rare earth nitrades of hydrogen peroxide corresponding weight based on oxide is 1:2-1；
The concentration of the ammonia spirit is 1mol/L.
It is preferred that, the preparation method that rare-earth ceramic high temperature stores exoergic material is：By the inorganic salt mixt in phase-change material
Mixed liquor is made in heated at constant temperature dissolving after mixing, and then rare-earth ceramic is placed in above-mentioned mixed liquor and boiled after 5-10 minutes, will be dilute
Native ceramics, which take out, to be put in stove Temperature fall in 740-860 DEG C of stove, and rare-earth ceramic high temperature is made and stores exoergic material.
Present invention also offers the preparation method that a kind of rare-earth ceramic high temperature stores exoergic material, comprise the following steps：
(1) by 1-3 parts of 5-8 parts of solid solution, magnesia, the cellulose of 92-98 parts of aluminum oxide, zirconium oxide and rare earth oxide
60-80 parts of solution and 100-150 deionized waters, are put into mixed grinding in grinder, and mixed serum is then made, then will be mixed
Molding in slurries injection mould is closed, after high temperature sintering after the drying of molding finished product, rare-earth ceramic is made；
(2) heated at constant temperature, which dissolves, after the inorganic salt mixt in phase-change material is mixed is made mixed liquor, then by rare earth
Ceramics are placed in above-mentioned mixed liquor and boiled after 5-10 minutes, and rare-earth ceramic is taken out and is put in 740-860 DEG C of stove with stove certainly
So cooling, is made rare-earth ceramic high temperature and stores exoergic material.
It is preferred that, cellulose solution is that cellulose powder is dissolved in the deionized water of its 30-50 times of volume number to be made；Institute
It is one kind in hydroxymethyl cellulose, hydroxyethyl cellulose or hydroxypropyl cellulose to state cellulose；The molecular weight of the cellulose
For 6000-30000；
The grinder is that the ball radius in sand mill, sand mill is 0.8-2mm, and grinding rate is 800-1600rpm,
Milling time is 20-40 minutes.
It is preferred that, the magnesia is the particle after 500 mesh screens；The heating-up temperature of the inorganic salt mixt
For 820-920 DEG C；The sintering temperature curve of high temperature sintering is after molding finished product is dried：It is warming up to from room temperature with the time of 24 hours
1480-1560 DEG C, then with stove natural cooling.
Beneficial effect
The energy (such as electric power) heating phase-change material that the accumulation of energy heat-exchanger rig of the present invention can not be consumed using outside, by heat
It can be stored in phase-change material, while using the blower fan constantly circulating current between phase-change material and heat exchanger, phase-change material will
The heating tube heat energy of absorption is released slowly in air-flow form hot blast, and hot blast enters after heat exchanger heat exchange, is changed into cold wind and enters again
Enter in blower fan, be again introduced into air channel A under blower fan drive, moved in circles with this, realize the purpose of accumulation of energy heat exchange.
The inorganic phase-changing material that the present invention is used is inorganic salt mixt, by corrosivity is relatively strong, fusing point is higher, latent heat is relatively low
Villiaumite and other inorganic salts it is compound after, the fusing point in the inorganic salt mixt of formation decreases, while latent heat increases, to the greatest extent
While possible accumulation of energy, avoid phase transition temperature too high again, the villiaumite gasification for making corrosivity stronger is decomposed, and corrodes ceramic material.
The inorganic phase-changing material that the present invention is used is inorganic salt mixt, and the inorganic salt mixt that the present invention is used is not letter
Single compounding, is can just have presently embodied phase transition temperature and latent heat only under the conditions of mixture ratios cited by the present invention
Energy.
The elasticity and toughness of the solid solution of zirconium oxide and rare earth oxide produced by the present invention are greatly improved, its elastic deformation
When more than 20%, above-mentioned solid solution is still intact to be present；The solid solution of zirconium oxide and rare earth oxide produced by the present invention
Heat resisting temperature is greatly improved, and its heat resisting temperature is at 1500 DEG C or so；The solid solution of zirconium oxide and rare earth oxide produced by the present invention
The density of body further increases, and etchant gas is hardly entered, and corresponding decay resistance is further enhanced.
The rare-earth ceramic equally used includes the ceramic material toughness that rare earth oxide and zirconia solid solution be modified and resistance to
Corrosion and forming temperature are all greatly improved, and are more suitable for the lapping around phase-change material, are increased the service life.
The rare-earth ceramic of the present invention uses cellulose pore-creating, and aperture is smaller and abundant, has good capillary effect, works as rare earth
When in the inorganic salt mixt of ceramics immersion liquid, inorganic salt mixt is rapidly entered in hole in capillarity, quick to realize this
The preparation of the energy-accumulation material of invention.
Because the inorganic salt mixt of the present invention enters in rare-earth ceramic hole in the case of the liquid, when can not after its cooling
Duct is fully taken up, when it absorbs heat again is changed into liquid, will not also go out in hole, cause the corrosion to ceramic base material.
The rare earth oxide and zirconia solid solution of the present invention also acts as the work of nucleator in phase-change material phase transition process
With reduction is separated.
The rare-earth ceramic high temperature of the present invention stores exoergic material without leakage problem, does not produce pollution to environment, and composition is stable, phase
Become good reversibility, service life is long, device is simple, easy to use.
Brief description of the drawings
Fig. 1 is the structural representation of the accumulation of energy heat-exchanger rig of the present invention；
Fig. 2 is the structural representation of the accumulation of energy heap of the present invention；
Wherein, 1- accumulation of energys heap, 1-1- grooves, 2- heating tubes, 3-1- air channels A, 3-2- air channel B, 4- blower fans, 5- heat exchangers,
5-1 heat exchanger tubes, 6- stop valves, 7- heat-insulation layer A, 8-heat-insulation layer B.
Embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
Bright rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, art technology
Personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Fixed scope.
Embodiment 1-6
The rare-earth ceramic high temperature of the present invention stores the preparation method of exoergic material, comprises the following steps：
(1) by 1-3 parts of 5-8 parts of solid solution, magnesia, the cellulose of 92-98 parts of aluminum oxide, zirconium oxide and rare earth oxide
60-80 parts of solution and 100-150 deionized waters, are put into mixed grinding in grinder, and mixed serum is then made, then will be mixed
Molding in slurries injection mould is closed, after high temperature sintering after the drying of molding finished product, rare-earth ceramic is made；
(2) heated at constant temperature, which dissolves, after the inorganic salt mixt in phase-change material is mixed is made mixed liquor, then by rare earth
Ceramics are placed in above-mentioned mixed liquor and boiled after 5-10 minutes, and rare-earth ceramic is taken out and is put in 740-860 DEG C of stove with stove certainly
So cooling, is made rare-earth ceramic high temperature and stores exoergic material.
Wherein, cellulose solution is that cellulose powder is dissolved in the deionized water of its 30-50 times of volume number to be made；Fiber
Element is one kind in hydroxymethyl cellulose, hydroxyethyl cellulose or hydroxypropyl cellulose；The molecular weight of cellulose is 6000-
30000；
Grinder is that the ball radius in sand mill, sand mill is 0.8-2mm, and grinding rate is 800-1600rpm, grinding
Time is 20-40 minutes.
Magnesia is the particle after 500 mesh screens；The heating-up temperature of inorganic salt mixt is 820-920 DEG C；System
The sintering temperature curve of high temperature sintering is after mould finished product is dried：1480-1560 DEG C is warming up to from room temperature with the time of 24 hours, so
Afterwards with stove natural cooling.
The preparation method of the solid solution of zirconium oxide and rare earth oxide is：Zirconyl chloride solution is adjusted using ammonia spirit
PH value stands and filtered after 24h to 8, and colloidal sol is made in washing；Then colloidal sol is heated to 80 DEG C, adds rare earth nitrades molten
Liquid, then adjusts pH value to 7 using ammonia spirit, adds hydrogen peroxide, is filtered after mixing slowly reaction 2-4h, sintering；Sintering
Shi Caiyong temperature curve after 350 DEG C are incubated 1h, heats up to be warming up to 350 DEG C by 1 DEG C/min heating rate by identical
Speed is warming up to 800-920 DEG C, then after 800 DEG C are incubated 1h, Temperature fall；The solid solution of zirconium oxide and rare earth oxide is made
Body；
Rare earth nitrate solution is that filtering is made after rare earth nitrades are dissolved in the deionized water of its 8-10 times of volume number
Solution；
Zirconyl chloride solution is obtained solution after zirconium oxychloride is dissolved in the deionized water of its 6-8 times of volume number；
The addition of rare earth nitrades is 0.05-0.5 with the ratio between the molal quantity of zirconium oxychloride based on oxide:1；
The ratio of the addition and rare earth nitrades of hydrogen peroxide corresponding weight based on oxide is 1:2-1；
The concentration of ammonia spirit is 1mol/L.
The rare-earth ceramic high temperature that 1-6 of the embodiment of the present invention is used stores the preparation process condition such as table 1 below institute of exoergic material
Show.
The rare-earth ceramic high temperature that the embodiment 1-6 of table 1 is used stores the preparation process condition of exoergic material
It is as shown in table 2 below that 1-6 of embodiment of the present invention rare-earth ceramic high temperature stores the corresponding raw material of exoergic material.
Rare-earth ceramic high temperature in the embodiment 1-6 of table 2 stores the corresponding raw material of exoergic material
Rare-earth ceramic high temperature made from preparation method through embodiment 1-6 stores exoergic material, including phase-change material and rare earth
Ceramics；The aperture of rare-earth ceramic is 450-1000nm, porosity of=50%；Phase-change material is uniformly embedded into the hole of rare-earth ceramic
It is interior；Phase-change material volume accounts for the 1/2-2/3 of its embedded hole inner volume；
Phase-change material is inorganic salt mixt, and the phase transition temperature that inorganic salt mixt is changed into liquid from solid-state is 820-920
℃；Rare-earth ceramic includes the solid solution of zirconium oxide and rare earth oxide；Forming temperature when rare-earth ceramic is sintered is 1480-1560
℃。
Inorganic salt mixt includes the component of following parts by weight：
12-18 parts of lithium fluoride；
50-70 parts of sodium chloride；
15-35 parts of potassium chloride；
Inorganic salt mixt also includes the calcium chloride of 20-30 parts by weight.
Inorganic salt mixt also includes one kind in magnesium fluoride, sodium fluoride, barium carbonate, potassium carbonate, sodium sulphate or potassium sulfate；
Addition of the above-mentioned substance in phase-change material is 5-10 parts.
Rare-earth ceramic includes the component of following parts by weight：
92-98 parts of aluminum oxide；
5-8 parts of the solid solution of zirconium oxide and rare earth oxide；
1-3 parts of magnesia.
Rare earth oxide is specially one kind in lanthana, yittrium oxide or cerium oxide；Rare earth oxide and zirconium oxide rub
You are than being 0.05-0.5:1.
It is detailed such as following table that rare-earth ceramic high temperature made from preparation method of the invention through embodiment 1-6 stores exoergic material component
Shown in 3.
It is detailed that rare-earth ceramic high temperature in the embodiment 1-6 of table 3 stores the corresponding component of exoergic material
2nd, performance detection
The phase transition temperature of phase-change material is tested using differential scanning calorimetry (DSC) (DSC), rare-earth ceramic high temperature stores exoergic material
Latent heat, specific heat (Gu) and thermal conductivity factor, as a result as shown in table 4.
The density that the rare-earth ceramic high temperature of the present invention stores exoergic material is 2-3g/cm3, specific heat (Gu) it is 1.8-2.0KJ/
(kg.K), thermal conductivity factor is 0.6-0.9W/mK；Latent heat is 400-800KJ/kg.
Rare-earth ceramic high temperature in the embodiment 1-6 of table 4 stores the corresponding performance parameter of exoergic material
The inorganic phase-changing material that the present invention is used is inorganic salt mixt, by corrosivity is relatively strong, fusing point is higher, latent heat is relatively low
Villiaumite and other inorganic salts it is compound after, the fusing point in the inorganic salt mixt of formation decreases, while latent heat increases, to the greatest extent
While possible accumulation of energy, avoid phase transition temperature too high again, the villiaumite gasification for making corrosivity stronger is decomposed, and corrodes ceramic material.
Embodiment 7-12
As shown in Figure 1-2, it is the accumulation of energy heat-exchanger rig of the present invention, accumulation of energy heat-exchanger rig includes accumulation of energy heap 1, heat exchanger 5, added
Heat pipe 2 and blower fan 4；Heat-insulation layer A 7, the gap conduct left between accumulation of energy heap 1 and heat-insulation layer A 7 are provided with around accumulation of energy heap 1
Air channel, while being provided with the groove 1-1 for divulging information in accumulation of energy heap 1；
It is connected between blower fan 4 and heat exchanger by pipeline, the other end of blower fan 4 is accessed in the A 3-1 of air channel by pipeline, is changed
The other end of hot device is accessed in the B 3-2 of air channel by pipeline, wherein, air channel A 3-1 refer to phase in accumulation of energy heap 1 with air channel B 3-2
To two ends and heat-insulation layer A 7 between the air channel that is formed；
Heating tube, which is located in accumulation of energy heap 1, to be used to heat accumulation of energy heap 1, and air-flow is entered under the drive of blower fan 4 by air channel A 3-1
Enter accumulation of energy heap 1, air-flow is heated as hot blast by accumulation of energy heap 1, and hot blast enters after heat exchanger heat exchange, is changed into cold wind and is again introduced into blower fan
In 4, air channel A 3-1 are again introduced under the drive of blower fan 4, are moved in circles with this, the purpose of accumulation of energy heat exchange is realized；
The connecting line and wind between connecting line, heat exchanger and air channel B 3-2 between blower fan 4 and air channel A 3-1
Stop valve 6 is equipped between connecting line between machine 4 and heat exchanger.
Rare-earth ceramic high temperature stores exoergic material use mould and becomes brick shape, and brick shape surface is provided with ventilation groove 1-1, brick shape
Rare-earth ceramic high temperature stores exoergic material and is built into accumulation of energy heap 1；
It is provided with heat exchanger 5 in heat exchanger tube 5-1, heat exchanger tube 5-1 and is connected with cold water；
Heating tube 2 is electric heating tube, and electric heating tube is that rare earth calls out energy electric heating tube.Heat-insulation layer A7 is heat-insulation layer；Heat-insulation layer
Heat-insulation layer B8 also is provided with outside pipeline and device beyond A7；Heat-insulation layer A or B are that 3 centimetres of silicate aluminum boards and 10 centimetres of aeroges are exhausted
The composite heat-insulating layer of heat insulation felt material formation.
The rare-earth ceramic high temperature that 7-12 of embodiment of the present invention accumulation of energy heat-exchanger rig is used stores exoergic material such as table 5 below institute
Show.
The rare-earth ceramic high temperature that the accumulation of energy heat-exchanger rig of table 5 is used stores exoergic material
2nd, performance detection
Use heating power for the accumulation of energy heap in 100Kw heating tube heating embodiment 7-12, the number of heating tube sets 50
Root, the mode of heating of heating tube is electrical heating, and the volume of accumulation of energy heap is 1 cubic metre, and the wind speed that blower fan drives is 0.2m/s, is found
After electric heating tube works 8 hours, the accumulation of energy heap in embodiment 7-12 can slowly heat release more than 12 hours, and at 12 hours
Inside the cold water in heat exchanger from 10 degree can be heated to 65 degree.
Claims (10)
1. a kind of accumulation of energy heat-exchanger rig, it is characterized in that：The accumulation of energy heat-exchanger rig includes accumulation of energy heap, heat exchanger, heating tube and wind
Machine；Heat-insulation layer A is provided with around accumulation of energy heap, the gap left between accumulation of energy heap and heat-insulation layer A is as air channel, while in accumulation of energy heap
Provided with the groove for ventilation；
Be connected between blower fan and heat exchanger by pipeline, the other end of blower fan is accessed in the A of air channel by pipeline, heat exchanger it is another
End by pipeline access air channel B, wherein, air channel A and air channel B refer to shape between two ends relative in accumulation of energy heap and heat-insulation layer A
Into air channel；
The heating tube, which is located in accumulation of energy heap, to be used to heat accumulation of energy heap, and air-flow enters accumulation of energy under blower fan drive by air channel A
Air-flow is heated as hot blast by heap, accumulation of energy heap, and hot blast enters after heat exchanger heat exchange, is changed into cold wind and is again introduced into blower fan, in wind
Machine is again introduced into air channel A under driving, and is moved in circles with this, realizes the purpose of accumulation of energy heat exchange；
The accumulation of energy heap stores exoergic material by rare-earth ceramic high temperature and constituted；The rare-earth ceramic high temperature, which stores exoergic material, includes phase transformation
Material and rare-earth ceramic；The aperture of the rare-earth ceramic is 450-1000nm, porosity of=50%；Phase-change material is uniformly embedded into
In the hole of rare-earth ceramic；Phase-change material volume accounts for the 1/2-2/3 of its embedded hole inner volume；
The phase-change material is inorganic salt mixt, and the phase transition temperature that the inorganic salt mixt is changed into liquid from solid-state is 820-
920°C；The rare-earth ceramic includes the solid solution of zirconium oxide and rare earth oxide；Forming temperature during the rare-earth ceramic sintering
For 1480-1560°C。
2. a kind of accumulation of energy heat-exchanger rig according to claim 1, it is characterised in that：Pipeline and device beyond heat-insulation layer A
It also is provided with heat-insulation layer B outside；The heating tube is electric heating tube；
Rare-earth ceramic high temperature stores exoergic material use mould and becomes brick shape, and brick shape surface is provided with ventilation groove, brick shape rare earth pottery
Porcelain high temperature stores exoergic material and is built into accumulation of energy heap；
It is provided with heat exchanger in heat exchanger tube, heat exchanger tube and is connected with cold water；
Between connecting line between connecting line, heat exchanger and air channel B and blower fan and heat exchanger between blower fan and air channel A
Connecting line between be equipped with stop valve.
3. a kind of accumulation of energy heat-exchanger rig according to claim 2, it is characterised in that：The electric heating tube is that rare earth calls out energy electricity
Heating tube；The heat-insulation layer A or B is the compound guarantor of 3 centimetres of silicate aluminum boards and 10 centimetres of aerogel heat-insulating insulation felt material formation
Warm layer.
4. a kind of accumulation of energy heat-exchanger rig according to claim 1, it is characterised in that：The inorganic salt mixt includes following
The component of parts by weight：12-18 parts of lithium fluoride；50-70 parts of sodium chloride；15-35 parts of potassium chloride；20-30 parts of sodium carbonate.
5. a kind of accumulation of energy heat-exchanger rig according to claim 4, it is characterised in that：The inorganic salt mixt also includes
The calcium chloride of 20-30 parts by weight.
6. a kind of accumulation of energy heat-exchanger rig according to claim 5, it is characterised in that the inorganic salt mixt also includes fluorine
Change one kind in magnesium, sodium fluoride, barium carbonate, potassium carbonate, sodium sulphate or potassium sulfate；Addition of the above-mentioned substance in phase-change material
For 5-10 parts.
7. a kind of accumulation of energy heat-exchanger rig according to claim 1, it is characterised in that the rare-earth ceramic includes following weight
The component of number：92-98 parts of aluminum oxide；5-8 parts of the solid solution of zirconium oxide and rare earth oxide；1-3 parts of magnesia.
8. a kind of accumulation of energy heat-exchanger rig according to claim 7, it is characterised in that the rare earth oxide is specially oxidation
One kind in lanthanum, yittrium oxide or cerium oxide；The mol ratio of rare earth oxide and zirconium oxide is 0.05-0.5:1.
9. a kind of accumulation of energy heat-exchanger rig according to claim 7, it is characterised in that the solid solution of zirconium oxide and rare earth oxide
The preparation method of body is：Zirconyl chloride solution is adjusted into pH value to 8 using ammonia spirit, stands and is filtered after 24h, washed, is made
Colloidal sol；Then colloidal sol is heated to 80°C, adds rare earth nitrate solution, then adjusts pH value to 7 using ammonia spirit, then
Hydrogen peroxide is added, is filtered after mixing slowly reaction 2-4h, sintering；The temperature curve used during sintering is by 1°C/min heating
Speed is warming up to 350°C, 350°After C insulations 1h, 800-920 °C is warming up to by identical heating rate, then 800°C is protected
After warm 1h, Temperature fall；The solid solution of zirconium oxide and rare earth oxide is made；
The rare earth nitrate solution is that filtering is made after rare earth nitrades are dissolved in the deionized water of its 8-10 times of volume number
Solution；
The zirconyl chloride solution is obtained solution after zirconium oxychloride is dissolved in the deionized water of its 6-8 times of volume number；
The addition of rare earth nitrades is 0.05-0.5 with the ratio between the molal quantity of zirconium oxychloride based on oxide:1；
The ratio of the addition and rare earth nitrades of hydrogen peroxide corresponding weight based on oxide is 1:2-1；
The concentration of the ammonia spirit is 1mol/L.
10. a kind of accumulation of energy heat-exchanger rig according to claim 1, it is characterised in that：Rare-earth ceramic high temperature stores exoergic material
Preparation method be：Mixed liquor is made in heated at constant temperature dissolving after inorganic salt mixt in phase-change material is mixed, then will be dilute
Native ceramics are placed in above-mentioned mixed liquor and boiled after 5-10 minutes, and rare-earth ceramic is taken out and is put in 740-860°With stove in C stove
Temperature fall, is made rare-earth ceramic high temperature and stores exoergic material.
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| CN107167013B (en) | 2018-09-25 |
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