CN111019611A - Preparation method of building energy-saving ceramic-based composite heat storage material - Google Patents
Preparation method of building energy-saving ceramic-based composite heat storage material Download PDFInfo
- Publication number
- CN111019611A CN111019611A CN201911298905.0A CN201911298905A CN111019611A CN 111019611 A CN111019611 A CN 111019611A CN 201911298905 A CN201911298905 A CN 201911298905A CN 111019611 A CN111019611 A CN 111019611A
- Authority
- CN
- China
- Prior art keywords
- parts
- mixture
- heat storage
- heating
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000005338 heat storage Methods 0.000 title claims abstract description 59
- 239000011232 storage material Substances 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 239000000919 ceramic Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 123
- 238000002156 mixing Methods 0.000 claims abstract description 68
- 239000000203 mixture Substances 0.000 claims abstract description 62
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 150000003839 salts Chemical class 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010439 graphite Substances 0.000 claims abstract description 39
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000005303 weighing Methods 0.000 claims abstract description 22
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 19
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 19
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 19
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 19
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 19
- 239000008117 stearic acid Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims abstract description 13
- 238000000498 ball milling Methods 0.000 claims abstract description 11
- 239000011153 ceramic matrix composite Substances 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 238000007873 sieving Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 6
- 239000004014 plasticizer Substances 0.000 claims abstract description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 90
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims description 26
- 230000005291 magnetic effect Effects 0.000 claims description 25
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 20
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 12
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 11
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 claims description 10
- UTNVTRPYZGXIMX-UHFFFAOYSA-N [Fe++].c1cc[cH-]c1.c1cc[c-](c1)-c1cc2cc3ccc(cc4ccc(cc5ccc(cc1[nH]2)n5)[nH]4)n3 Chemical compound [Fe++].c1cc[cH-]c1.c1cc[c-](c1)-c1cc2cc3ccc(cc4ccc(cc5ccc(cc1[nH]2)n5)[nH]4)n3 UTNVTRPYZGXIMX-UHFFFAOYSA-N 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 10
- 229910052681 coesite Inorganic materials 0.000 claims description 10
- 229910052906 cristobalite Inorganic materials 0.000 claims description 10
- 239000000839 emulsion Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 10
- 239000003208 petroleum Substances 0.000 claims description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 10
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- 229910052682 stishovite Inorganic materials 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052905 tridymite Inorganic materials 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 229910003158 γ-Al2O3 Inorganic materials 0.000 claims description 10
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 9
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 6
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 claims description 5
- 229960001826 dimethylphthalate Drugs 0.000 claims description 5
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 4
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 4
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 claims description 4
- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 claims description 3
- 239000002174 Styrene-butadiene Substances 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- JQCXWCOOWVGKMT-UHFFFAOYSA-N phthalic acid diheptyl ester Natural products CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC JQCXWCOOWVGKMT-UHFFFAOYSA-N 0.000 claims description 3
- 239000011115 styrene butadiene Substances 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- VOWAEIGWURALJQ-UHFFFAOYSA-N Dicyclohexyl phthalate Chemical compound C=1C=CC=C(C(=O)OC2CCCCC2)C=1C(=O)OC1CCCCC1 VOWAEIGWURALJQ-UHFFFAOYSA-N 0.000 claims description 2
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 2
- 230000006837 decompression Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 18
- 230000008859 change Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 14
- 230000001276 controlling effect Effects 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 7
- 239000005995 Aluminium silicate Substances 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- 235000012211 aluminium silicate Nutrition 0.000 description 6
- 238000001291 vacuum drying Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910017976 MgO 4 Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RXDDZPRSFAQJOC-UHFFFAOYSA-N butylbenzene;phthalic acid Chemical compound CCCCC1=CC=CC=C1.OC(=O)C1=CC=CC=C1C(O)=O RXDDZPRSFAQJOC-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3215—Barium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention provides a preparation method of a building energy-saving ceramic matrix composite heat storage material, which relates to the technical field of energy sources and comprises the following steps: preparing expanded graphite, mixing with stearic acid, ferromagnetic material and polyvinylpyrrolidone, and drying in water bath under reduced pressure to obtain a mixture; weighing the mixed component A, mixing, ball-milling, sieving with a 400-mesh sieve, mixing with the mixture, the adhesive, the plasticizer and the lubricant, and adding into a mixing extruder for mixing and heat treatment to obtain a mesoporous ceramic material; weighing the mixed component B, uniformly mixing, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, carrying out heat treatment, removing redundant salt on the surface of the material, and polishing to be smooth to obtain the ceramic-based composite heat storage material; the chemical stability is good; the volume change is small during phase change.
Description
Technical Field
The invention relates to the technical field of energy, in particular to a preparation method of a building energy-saving ceramic-based composite heat storage material.
Background
The research on energy storage is a strategic subject of energy safety and sustainable development, wherein the storage and utilization of thermal energy are closely related to the information of the national civilization. The heat storage technology, especially the phase change heat storage technology, is an important technology for reasonably and effectively utilizing the existing energy, optimizing and using renewable energy and improving the utilization efficiency of the energy, and is a very active research direction in the world energy-saving field in the last 20 years.
The phase-change heat storage technology is an effective way for relieving mismatching of energy supply and demand in time, space and strength, can effectively improve the utilization rate of energy, and plays an important role in the energy utilization technology.
In recent years, due to the rapid development of intermittent residential solar energy and wind energy power generation, the research and application of phase change heat storage materials are more and more concerned by people, at present, the main heat storage materials are molten salt, concrete, rocks, oil, organic polymer materials and the like, but most of the heat storage materials have some defects, such as easy leakage of the molten salt, high corrosion, poor service life and poor high temperature resistance; the concrete has low heat storage density, and is easy to be powdered after high-temperature thermal shock; the rock heat storage material is limited by natural conditions, and the performance and the shape are uncontrollable; oil and organic polymer materials are used as heat storage materials, so that the heat storage material is easy to age and lose efficacy, and the use temperature is low.
The ceramic heat storage material is gradually concerned by scholars at home and abroad due to the characteristics of high temperature resistance, corrosion resistance, wide raw material source and low price, but the specific heat capacity of the ceramic material is limited, the sensible heat and the latent heat of the ceramic are difficult to be simply improved, and the sensible heat-latent heat combination is usually realized by adopting a method of compounding the ceramic heat storage material with a phase change material.
Chinese patent CN 108383491A discloses kaolin-based heat storage ceramic for a heat energy storage system and a preparation method thereof, wherein kaolin is used as a main raw material, a porous ceramic preform is prepared by adding a pore-forming agent, and the porous ceramic preform comprises the following components in percentage by weight: kaolin: aluminum hydroxide: adding aluminum fluoride: the graphite is 3-7: 3-7: 1: 1. the appearance of mullite in the porous ceramic preform is regulated and controlled by changing the addition amount of kaolin in the raw materials, the porous ceramic preform is taken as a base body and is completely placed into a phase-change material sodium carbonate, and the kaolin-based heat storage ceramic is prepared by a melt impregnation method. The invention can improve the added value of natural kaolin and has simple preparation method. The prepared kaolin-based heat storage ceramic has the characteristics of large heat storage capacity, high breaking strength, good thermal shock resistance and the like. The invention can effectively improve the stability and continuity of the heat energy storage system during working and shows higher heat storage capacity and thermal shock resistance.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of a building energy-saving ceramic-based composite heat storage material.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
(1) placing the expandable flake graphite in a muffle furnace, heating to 800-;
(2) weighing the following mixed component A in parts by weight:
SiO248 to 55 portions of TiO20.5-2 parts of CaO, 1-5 parts of CaO, 4-10 parts of MgO and K20.2-1 part of O and Na210-20 parts of O, 0.2-0.8 part of BaO and B2O31-3 parts of gamma-Al2O350-60 parts of SrO and 0.4-1.5 parts of SrO, mixing the materials, ball-milling the mixture, sieving the mixture with a 400-mesh sieve, mixing the mixture with the binder, the plasticizer and the lubricant, adding the mixture into a mixing type extruder, mixing the mixture for 10-15min, ageing the mixture for 20-25h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating the mixture to 800-1500 ℃ for 5-10h, secondly heating the mixture to 1200-1250 ℃, performing heat preservation for 10-20min, then heating the mixture to 1400-1500 ℃ for three times, sintering the mixture, and naturally cooling the mixture to room temperature to obtain a mesoporous ceramic material;
(3) weighing the following mixed component B in parts by weight:
Sr2CO35-10 parts of K2CO340-60 parts of Na2CO320-25 parts of Li2CO310-16 parts of NaC, 130-50 parts of NaC and 130-50 parts of KC, uniformly mixing, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring to a muffle furnace, firstly heating to 180-plus-temperature for 200-40 h, then heating to 500-plus-temperature for 520-plus-temperature for 4-6h, cooling to 100-plus-temperature with the furnace for 120-plus-temperature for 1-3h, air cooling to room temperature, removing redundant salt on the surface of the material, and polishing to be smooth, thus obtaining the ceramic-based composite heat storage material.
Preferably, the ferromagnetic material is a ferrocene organomagnet.
Preferably, the preparation method of the ferrocene organomagnesium comprises the following steps:
dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 30-40min, standing, filtering at normal pressure, washing by using dichloromethane, and drying in vacuum at 60-70 ℃.
Preferably, the mass ratio of the expanded graphite to the stearic acid to the ferromagnetic material to the polyvinylpyrrolidone is 10-20: 1-5: 1-5: 30-40.
Preferably, the temperature of the water bath during reduced pressure drying is 60-80 ℃.
Preferably, the adhesive is a styrene-butadiene emulsion cement-based composite adhesive material.
Preferably, the plasticizer is any one of di (2-ethylhexyl) phthalate, di-n-octyl phthalate, butyl benzyl phthalate, di-sec-octyl phthalate, dicyclohexyl phthalate, dibutyl phthalate, diisobutyl phthalate, dimethyl phthalate, diethyl phthalate, diisononyl phthalate, and diisodecyl phthalate.
Preferably, the lubricant is a mixture of molybdenum disulfide and talcum powder, and the mass ratio of the molybdenum disulfide to the talcum powder is 1-5: 8-12.
Preferably, in the step (2), the first temperature rise speed is 30-40 ℃/min, the second temperature rise speed is 20-25 ℃/min, and the third temperature rise speed is 10-15 ℃/min.
Preferably, the first heating speed in the step (3) is 50-60 ℃/min, and the second heating speed is 10-15 ℃/min.
(III) advantageous effects
The invention provides a preparation method of a building energy-saving ceramic matrix composite heat storage material, which has the following beneficial effects:
in many theoretical models, composites are known as continuous media. But generally, obvious boundaries exist among grains of different materials, and pores are arranged at the contact positions of a plurality of grains, so that singular points appear at the grain boundaries, which can reduce the heat conductivity of the composite material, and cause the heat to be greatly hindered when the heat is transferred among different grains, the invention adds the expanded graphite and the ferromagnetic material between the ceramic-based material and the molten salt material, which can play the roles of closing the grain boundaries and reducing the singular points, the mesoporous ceramic material prepared by the invention has the characteristics of high specific surface area, excellent adsorption capacity, high temperature resistance and corrosion resistance, is a good silicate inorganic heat storage material carrier, the molten salt can enter the interior of the mesoporous ceramic material, can not leak when storing and preventing heat, can not flow out of the periphery of corrosion, the service life and the high temperature resistance are greatly improved, and the ceramic-based composite heat storage material has proper phase transition temperature, has larger latent heat of fusion; the specific heat capacity and the thermal conductivity of the material are high in different states in the heat storage and release processes; the chemical stability is good; the volume change is small during phase change; the cold degree is small, and the phenomenon of crystal liquid separation is not obvious; and has low price and rich sources.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 820 ℃ for heat treatment for 2min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 15: 1: 1: 40, mechanically stirring for 35min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a water bath at 80 ℃, drying under reduced pressure, and naturally cooling to room temperature after 6h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 40min, standing, filtering at normal pressure, washing by using dichloromethane, and performing vacuum drying at 65 ℃;
weighing the following mixed component A in parts by weight:
SiO250 parts of TiO20.8 part, CaO 2 part, MgO 8 part and K20.5 part of O and Na218 portions of O, 0.5 portion of BaO and B2O31 part of gamma-Al2O350 parts of SrO 0.8 part;
mixing the raw materials, performing ball milling, sieving the mixture by a 400-mesh sieve, and mixing the mixture with the mixture, the butylbenzene emulsion cement-based composite binding material, the di (2-ethylhexyl) phthalate, the molybdenum disulfide and the talcum powder according to the mass ratio of 5: 12, adding the mixed lubricant into a mixing type extruder, mixing for 12min, ageing for 24h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 800 ℃ for 6h, then heating to 1200 ℃ for two times, keeping the temperature for 15min, heating to 1450 ℃ for three times, sintering, wherein the first heating speed is 40 ℃/min, the second heating speed is 20 ℃/min, the third heating speed is 12 ℃/min, and naturally cooling to room temperature to obtain the mesoporous ceramic material;
weighing the following mixed component B in parts by weight:
Sr2CO35 parts of, K2CO345 parts of Na2CO322 parts of Li2CO310 parts of NaC, 140 parts of KC and 130 parts of sodium bicarbonate;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 185 ℃ for heat preservation for 28 hours, secondly heating to 505 ℃, preserving heat for 5 hours, cooling with the furnace for 100 ℃, preserving heat for 3 hours, heating at the speed of 55 ℃/min for the first time, heating at the speed of 12 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing until the surface is smooth to obtain the ceramic-based composite heat storage material.
Example 2:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 810 ℃ for heat treatment for 3min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 20: 2: 5: 40, mechanically stirring for 40min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a 70 ℃ water bath, drying under reduced pressure, and naturally cooling to room temperature after 5h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 35min, standing, filtering at normal pressure, washing by using dichloromethane, and drying at 60 ℃ in vacuum;
weighing the following mixed component A in parts by weight:
SiO250 parts of TiO20.8 part, CaO 1 part, MgO 6 parts and K20.5 part of O and Na210 portions of O, 0.2 portion of BaO and B2O31 part of gamma-Al2O355 parts of SrO 1.2 parts;
mixing the raw materials, performing ball milling, sieving the mixture by a 400-mesh sieve, and mixing the mixture with the mixture, the butylbenzene emulsion cement-based composite binding material, the di-n-octyl phthalate, the molybdenum disulfide and the talcum powder according to the mass ratio of 5: mixing the lubricant consisting of the components 11, adding the mixture into a mixing type extruder, mixing for 12min, ageing for 24h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 850 ℃ for 6h, then heating to 1240 ℃ for the second time, keeping the temperature for 10min, heating to 1400 ℃ for three times, and sintering, wherein the first heating speed is 34 ℃/min, the second heating speed is 23 ℃/min, the third heating speed is 12 ℃/min, and naturally cooling to room temperature to obtain the mesoporous ceramic material;
weighing the following mixed component B in parts by weight:
Sr2CO35 parts of, K2CO345 parts of Na2CO325 parts of Li2CO315 parts of NaC, 140 parts of KC and 135 parts of sodium bicarbonate;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 180 ℃ for heat preservation for 25 hours, secondly heating to 505 ℃, preserving heat for 6 hours, cooling with the furnace for 110 ℃, preserving heat for 2 hours, heating at the speed of 55 ℃/min for the first time, heating at the speed of 12 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing until the surface is smooth to obtain the ceramic-based composite heat storage material.
Example 3:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 810 ℃, carrying out heat treatment for 1.2min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 15: 3: 2: 40, mechanically stirring for 40min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a 70 ℃ water bath, drying under reduced pressure, and naturally cooling to room temperature after 5h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 40min, standing, filtering at normal pressure, washing by using dichloromethane, and performing vacuum drying at 65 ℃;
weighing the following mixed component A in parts by weight:
SiO255 parts of TiO20.8 part, CaO 1 part, MgO 8 parts and K20.2 part of O and Na215 portions of O, 0.5 portion of BaO and B2O31 part of gamma-Al2O355 parts of SrO 0.6 part;
mixing the raw materials, performing ball milling, sieving with a 400-mesh sieve, mixing with the mixture, the butylbenzene emulsion cement-based composite binding material, the butylbenzene phthalate, the molybdenum disulfide and the talcum powder according to the mass ratio of 1: 10, mixing the lubricant, adding the mixture into a mixing type extruder, mixing for 12min, ageing for 23h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 800 ℃ for 6h, then heating to 1220 ℃ for the second time, keeping the temperature for 10min, heating to 1480 ℃ for the third time, and sintering, wherein the first heating speed is 33 ℃/min, the second heating speed is 23 ℃/min, the third heating speed is 12 ℃/min, and naturally cooling to room temperature to obtain the ceramic material mesopores;
weighing the following mixed component B in parts by weight:
Sr2CO310 parts of, K2CO348 parts of Na2CO324 parts of Li2CO312 parts of NaC, 138 parts of NaC and 135 parts of KC;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 180 ℃ for heat preservation for 28 hours, secondly heating to 520 ℃, preserving heat for 5 hours, cooling with the furnace for 100 ℃, preserving heat for 3 hours, heating at the speed of 52 ℃/min for the first time, heating at the speed of 12 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing until the surface is smooth to obtain the ceramic-based composite heat storage material.
Example 4:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 800 ℃ for heat treatment for 1min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 10: 1: 1: 30, mechanically stirring for 30min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a water bath at 60 ℃, drying under reduced pressure, and naturally cooling to room temperature after 4h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 30min, standing, filtering at normal pressure, washing by using dichloromethane, and performing vacuum drying at 60 ℃;
weighing the following mixed component A in parts by weight:
SiO248 parts of TiO20.5 part, CaO 1 part, MgO 4 part and K20.2 part of O and Na210 portions of O, 0.2 portion of BaO and B2O31 part of gamma-Al2O350 parts of SrO 0.4 part;
mixing the materials, performing ball milling, sieving with a 400-mesh sieve, mixing with the mixture, the styrene-butadiene emulsion cement-based composite binding material, the di-sec-octyl phthalate, the molybdenum disulfide and the talcum powder according to the mass ratio of 1: 8, mixing the lubricant, adding the mixture into a mixing type extruder, mixing for 10min, ageing for 20h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 800 ℃ for 5h, then heating to 1200 ℃ for the second time, keeping the temperature for 10min, heating to 1400 ℃ for three times, and sintering, wherein the first heating speed is 30 ℃/min, the second heating speed is 20 ℃/min, the third heating speed is 10 ℃/min, and naturally cooling to room temperature to obtain the mesoporous ceramic material;
weighing the following mixed component B in parts by weight:
Sr2CO35 parts of, K2CO340 portions of Na2CO320 parts of Li2CO310 parts of NaC 130 parts and KC130 parts;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 180 ℃ for 20 hours, secondly heating to 500 ℃, keeping the temperature for 4 hours, cooling with the furnace for 100 ℃, keeping the temperature for 1 hour, heating at the speed of 50 ℃/min for the first time, heating at the speed of 10 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing to be smooth to obtain the ceramic-based composite heat storage material.
Example 5:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 830 ℃, carrying out heat treatment for 3min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 20: 5: 5: 40, mechanically stirring for 40min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a water bath at 80 ℃, drying under reduced pressure, and naturally cooling to room temperature after 8h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 40min, standing, filtering at normal pressure, washing by using dichloromethane, and drying at 70 ℃ in vacuum;
weighing the following mixed component A in parts by weight:
SiO255 parts of TiO22 parts of CaO, 5 parts of CaO, 10 parts of MgO and K2O1 part, Na220 portions of O, 0.8 portion of BaO and B2O33 parts of gamma-Al2O360 parts of SrO 1.5 parts;
mixing the raw materials, performing ball milling, sieving with a 400-mesh sieve, mixing with the mixture, the butylbenzene emulsion cement-based composite binding material, dimethyl phthalate, molybdenum disulfide and talcum powder according to the mass ratio of 5: 12, adding the mixed lubricant into a mixing type extruder, mixing for 15min, ageing for 25h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 900 ℃ for 10h, then heating to 1250 ℃ for two times, keeping the temperature for 20min, heating to 1500 ℃ for three times, and sintering, wherein the first heating speed is 40 ℃/min, the second heating speed is 25 ℃/min, the third heating speed is 15 ℃/min, and naturally cooling to room temperature to obtain a mesoporous ceramic material;
weighing the following mixed component B in parts by weight:
Sr2CO310 parts of, K2CO360 portions of Na2CO325 parts of Li2CO316 parts of NaC, 150 parts of KC and 150 parts of sodium bicarbonate;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 200 ℃ for heat preservation for 40 hours, secondly heating to 520 ℃, preserving heat for 6 hours, cooling with the furnace for 120 ℃, preserving heat for 3 hours, heating at the speed of 60 ℃/min for the first time, heating at the speed of 15 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing until the surface is smooth to obtain the ceramic-based composite heat storage material.
Example 6:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 810 ℃, carrying out heat treatment for 1-3min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 20: 4: 1: 40, mechanically stirring for 35min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a 75 ℃ water bath, drying under reduced pressure, and naturally cooling to room temperature after 6h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 40min, standing, filtering at normal pressure, washing by using dichloromethane, and performing vacuum drying at 68 ℃;
weighing the following mixed component A in parts by weight:
SiO249 parts of TiO20.6 part, CaO 1 part, MgO 8 parts and K20.5 part of O and Na218 portions of O, 0.5 portion of BaO and B2O31 part of gamma-Al2O355 parts of SrO 0.8 part;
mixing the materials, performing ball milling, sieving with a 400-mesh sieve, mixing with the mixture, the butylbenzene emulsion cement-based composite binding material, dimethyl phthalate, molybdenum disulfide and talcum powder according to the mass ratio of 1: 8, mixing the lubricant, adding the mixture into a mixing type extruder, mixing for 12min, ageing for 24h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 830 ℃ for 10h for heat preservation, then heating to 1200 ℃ for the second time, heating to 1450 ℃ for the third time after heat preservation for 18min, and sintering, wherein the first heating speed is 30 ℃/min, the second heating speed is 24 ℃/min, the third heating speed is 12 ℃/min, and naturally cooling to room temperature to obtain the mesoporous ceramic material;
weighing the following mixed component B in parts by weight:
Sr2CO35 parts of, K2CO348 parts of Na2CO324 parts of Li2CO312 parts of NaC, 130 parts of NaC and 135 parts of KC;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 200 ℃ for heat preservation for 35 hours, secondly heating to 510 ℃, preserving heat for 6 hours, cooling with the furnace for 110 ℃, preserving heat for 2 hours, heating at the speed of 50 ℃/min for the first time, heating at the speed of 12 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing until the surface is smooth to obtain the ceramic-based composite heat storage material.
Example 7:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 800 ℃ for heat treatment for 3min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 10: 5: 1: 40, mechanically stirring for 30min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a water bath at 80 ℃, drying under reduced pressure, and naturally cooling to room temperature after 4h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 40min, standing, filtering at normal pressure, washing by using dichloromethane, and performing vacuum drying at 60 ℃;
weighing the following mixed component A in parts by weight:
SiO255 parts of TiO20.5 part, CaO5 parts, MgO 4 parts and K20.2 part of O and Na220 portions of O, 0.2 portion of BaO and B2O31 part of gamma-Al2O360 parts of SrO 0.4 part;
mixing the materials, performing ball milling, sieving the mixture by a 400-mesh sieve, and mixing the mixture with the mixture, the butylbenzene emulsion cement-based composite binding material, the diisodecyl phthalate, the molybdenum disulfide and the talcum powder according to the mass ratio of 5: 12, adding the mixed lubricant into a mixing type extruder, mixing for 10min, ageing for 25h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 800 ℃ for 10h, then heating to 1200 ℃ for two times, keeping the temperature for 20min, heating to 1400 ℃ for three times, and sintering, wherein the first heating speed is 30 ℃/min, the second heating speed is 25 ℃/min, the third heating speed is 10 ℃/min, and naturally cooling to room temperature to obtain the mesoporous ceramic material;
weighing the following mixed component B in parts by weight:
Sr2CO310 parts of, K2CO340 portions of Na2CO325 parts of Li2CO310 parts of NaC, 150 parts of KC130 parts;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 200 ℃ for 20 hours, secondly heating to 520 ℃, keeping the temperature for 4 hours, cooling with the furnace for 100 ℃, keeping the temperature for 3 hours, heating at the speed of 50 ℃/min for the first time, heating at the speed of 15 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing to be smooth to obtain the ceramic-based composite heat storage material.
Example 8:
a preparation method of a building energy-saving ceramic-based composite heat storage material comprises the following steps:
placing the expandable crystalline flake graphite in a muffle furnace, heating to 830 ℃, carrying out heat treatment for 1min to obtain loose and porous expanded graphite, mixing the loose and porous expanded graphite with stearic acid, ferrocene organic magnetic substance and polyvinylpyrrolidone, wherein the mass ratio of the expanded graphite to the stearic acid to the ferrocene organic magnetic substance to the polyvinylpyrrolidone is 12: 2: 5: 40, mechanically stirring for 31min, transferring into a round-bottom flask, placing on a rotary evaporator, rotating in a water bath at 60 ℃, drying under reduced pressure, and naturally cooling to room temperature after 8h to obtain a mixture;
the preparation method of the ferrocene organic magnetic body comprises the following steps: dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 40min, standing, filtering at normal pressure, washing by using dichloromethane, and performing vacuum drying at 60 ℃;
weighing the following mixed component A in parts by weight:
SiO255 parts of TiO20.5 part, CaO5 part, MgO 4 part, K2O1 part, Na210 portions of O, 0.8 portion of BaO and B2O31 part of gamma-Al2O360 parts of SrO 0.4 part;
mixing the raw materials, performing ball milling, sieving with a 400-mesh sieve, mixing with the mixture, the butylbenzene emulsion cement-based composite binding material, dimethyl phthalate, molybdenum disulfide and talcum powder according to the mass ratio of 2: 9, adding the mixed lubricant into a mixing type extruder, mixing for 10min, ageing for 25h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating to 850 ℃ for 5h, then heating to 1250 ℃ for two times, heating to 1500 ℃ for three times after keeping the temperature for 18min, and sintering, wherein the first heating speed is 35 ℃/min, the second heating speed is 22 ℃/min, the third heating speed is 15 ℃/min, and naturally cooling to room temperature to obtain the mesoporous ceramic material;
weighing the following mixed component B in parts by weight:
Sr2CO310 parts of, K2CO340 portions of Na2CO325 parts of Li2CO310 parts of NaC, 150 parts of KC130 parts;
uniformly mixing the materials, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring the molten salt liquid into a muffle furnace, firstly heating to 200 ℃ for 20 hours, secondly heating to 520 ℃, keeping the temperature for 4 hours, cooling with the furnace for 120 ℃, keeping the temperature for 1 hour, heating at the speed of 60 ℃/min for the first time, heating at the speed of 10 ℃/min for the second time, air-cooling to room temperature, removing redundant salt on the surface of the material, and polishing to be smooth to obtain the ceramic-based composite heat storage material.
The following table 1 shows the performance test results of the ceramic matrix composite heat storage materials prepared in examples 1 to 3 of the present invention:
table 1:
as can be seen from the above Table 1, the ceramic matrix composite heat storage material of the invention has extremely high heat storage density and heat conductivity, uniform internal heat transfer, excellent mechanical properties and stable properties.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A preparation method of a building energy-saving ceramic matrix composite heat storage material is characterized by comprising the following steps:
(1) placing the expandable flake graphite in a muffle furnace, heating to 800-;
(2) weighing the following mixed component A in parts by weight:
SiO248 to 55 portions of TiO20.5-2 parts of CaO, 1-5 parts of CaO, 4-10 parts of MgO and K20.2-1 part of O and Na210 to 20 portions of O, 0.2 to 0.8 portion of BaO0, B2O31-3 parts of gamma-Al2O350-60 parts of SrO and 0.4-1.5 parts of SrO, mixing the materials, ball-milling the mixture, sieving the mixture with a 400-mesh sieve, mixing the mixture with the binder, the plasticizer and the lubricant, adding the mixture into a mixing type extruder, mixing the mixture for 10-15min, ageing the mixture for 20-25h, performing extrusion molding, putting the mixture into a muffle furnace, firstly heating the mixture to 800-1500 ℃ for 5-10h, secondly heating the mixture to 1200-1250 ℃, performing heat preservation for 10-20min, then heating the mixture to 1400-1500 ℃ for three times, sintering the mixture, and naturally cooling the mixture to room temperature to obtain a mesoporous ceramic material;
(3) weighing the following mixed component B in parts by weight:
Sr2CO35-10 parts of K2CO340-60 parts of Na2CO320-25 parts of Li2CO310-16 parts of NaC, 130-50 parts of NaC and 130-50 parts of KC, uniformly mixing, heating to obtain molten salt liquid, pressing the molten salt liquid into the mesoporous ceramic material by using mechanical pressure, naturally cooling to room temperature after pressing, transferring to a muffle furnace, firstly heating to 180-plus-temperature for 200-40 h, then heating to 500-plus-temperature for 520-plus-temperature for 4-6h, cooling to 100-plus-temperature with the furnace for 120-plus-temperature for 1-3h, air cooling to room temperature, removing redundant salt on the surface of the material, and polishing to be smooth, thus obtaining the ceramic-based composite heat storage material.
2. The method for preparing the energy-saving ceramic-based composite heat storage material for buildings according to claim 1, wherein the ferromagnetic material is a ferrocene organic magnetic body.
3. The method for preparing the energy-saving ceramic matrix composite heat storage material for the building as claimed in claim 2, wherein the method for preparing the ferrocene organomagnesium is as follows:
dissolving 5, 15-di (ferrocenyl) porphyrin by using dichloromethane to obtain a solution A, dissolving N-bromosuccinimide by using dichloromethane to obtain a solution B, slowly dropwise adding the solution A into the solution B, controlling the dropwise adding temperature to be less than 35 ℃, generating a precipitate after the dropwise adding is finished, adding petroleum ether after 30-40min, standing, filtering at normal pressure, washing by using dichloromethane, and drying in vacuum at 60-70 ℃.
4. The method for preparing the energy-saving ceramic-based composite heat storage material for the building as claimed in claim 2, wherein the mass ratio of the expanded graphite, the stearic acid, the ferromagnetic material and the polyvinylpyrrolidone is 10-20: 1-5: 1-5: 30-40.
5. The method for preparing the energy-saving ceramic matrix composite heat storage material for construction as claimed in claim 2, wherein the water bath temperature is 60-80 ℃ during decompression drying.
6. The method for preparing a building energy saving ceramic matrix composite heat storage material as claimed in claim 2, wherein the binder is a styrene-butadiene emulsion cement based composite binder material.
7. The method for preparing the energy-saving ceramic-based composite heat storage material for construction as claimed in claim 2, wherein the plasticizer is any one of di (2-ethylhexyl) phthalate, di-n-octyl phthalate, butyl benzyl phthalate, di-sec-octyl phthalate, dicyclohexyl phthalate, dibutyl phthalate, diisobutyl phthalate, dimethyl phthalate, diethyl phthalate, diisononyl phthalate, and diisodecyl phthalate.
8. The method for preparing the energy-saving ceramic matrix composite heat storage material for the building as claimed in claim 2, wherein the lubricant is a mixture of molybdenum disulfide and talc powder, and the mass ratio of the molybdenum disulfide to the talc powder is 1-5: 8-12.
9. The method for preparing the energy-saving ceramic matrix composite heat storage material for the building as claimed in claim 2, wherein in the step (2), the first temperature rise speed is 30-40 ℃/min, the second temperature rise speed is 20-25 ℃/min, and the third temperature rise speed is 10-15 ℃/min.
10. The method for preparing the energy-saving ceramic matrix composite heat storage material for the building as claimed in claim 2, wherein in the step (3), the first temperature rise speed is 50-60 ℃/min, and the second temperature rise speed is 10-15 ℃/min.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911298905.0A CN111019611A (en) | 2019-12-17 | 2019-12-17 | Preparation method of building energy-saving ceramic-based composite heat storage material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911298905.0A CN111019611A (en) | 2019-12-17 | 2019-12-17 | Preparation method of building energy-saving ceramic-based composite heat storage material |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111019611A true CN111019611A (en) | 2020-04-17 |
Family
ID=70209669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911298905.0A Withdrawn CN111019611A (en) | 2019-12-17 | 2019-12-17 | Preparation method of building energy-saving ceramic-based composite heat storage material |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111019611A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113717695A (en) * | 2021-09-10 | 2021-11-30 | 中国矿业大学 | Preparation method and application of fused salt-based composite phase-change heat storage large capsule |
CN115787919A (en) * | 2021-06-09 | 2023-03-14 | 重庆大学 | Phase-change material particle applied to phase-change heat storage plate for building |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102515728A (en) * | 2011-12-16 | 2012-06-27 | 北京鸿源能信科技有限责任公司 | Conductive ceramic, method for preparing same and application for same |
CN102827587A (en) * | 2012-09-18 | 2012-12-19 | 中国科学院上海硅酸盐研究所 | Phase-change energy storage material/graphene/porous ceramic composite heat management material, and preparation method and application of material |
CN103525376A (en) * | 2013-09-18 | 2014-01-22 | 中国科学院过程工程研究所 | Heat storage material for recovering industrial exhaust heat and preparation method and application thereof |
CN105693254B (en) * | 2016-02-03 | 2018-03-09 | 中国航空工业集团公司北京航空材料研究院 | A kind of Water-soluble ceramic core material and the method for preparing Water-soluble ceramic core |
CN108383491A (en) * | 2018-03-07 | 2018-08-10 | 辽宁石油化工大学 | Kaolinite soil matrix heat accumulation ceramics and preparation method thereof |
CN109092254A (en) * | 2018-08-16 | 2018-12-28 | 广东工业大学 | A kind of preparation of double virtual template phthalic acid ester molecular engram magnetic materials and application method |
US10178756B1 (en) * | 2014-10-29 | 2019-01-08 | National Technology & Engineering Solutions Of Sandia, Llc | Multifunctional composite coatings for metal whisker mitigation |
-
2019
- 2019-12-17 CN CN201911298905.0A patent/CN111019611A/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102515728A (en) * | 2011-12-16 | 2012-06-27 | 北京鸿源能信科技有限责任公司 | Conductive ceramic, method for preparing same and application for same |
CN102827587A (en) * | 2012-09-18 | 2012-12-19 | 中国科学院上海硅酸盐研究所 | Phase-change energy storage material/graphene/porous ceramic composite heat management material, and preparation method and application of material |
CN103525376A (en) * | 2013-09-18 | 2014-01-22 | 中国科学院过程工程研究所 | Heat storage material for recovering industrial exhaust heat and preparation method and application thereof |
US10178756B1 (en) * | 2014-10-29 | 2019-01-08 | National Technology & Engineering Solutions Of Sandia, Llc | Multifunctional composite coatings for metal whisker mitigation |
CN105693254B (en) * | 2016-02-03 | 2018-03-09 | 中国航空工业集团公司北京航空材料研究院 | A kind of Water-soluble ceramic core material and the method for preparing Water-soluble ceramic core |
CN108383491A (en) * | 2018-03-07 | 2018-08-10 | 辽宁石油化工大学 | Kaolinite soil matrix heat accumulation ceramics and preparation method thereof |
CN109092254A (en) * | 2018-08-16 | 2018-12-28 | 广东工业大学 | A kind of preparation of double virtual template phthalic acid ester molecular engram magnetic materials and application method |
Non-Patent Citations (3)
Title |
---|
刘皑若: "《实用化学(第1版)》", 30 September 1998, 陕西师范大学出版社 * |
周文英等: "《导热高分子材料(第1版)》", 30 April 2014, 国防工业出版社 * |
明锋等主编: "《烟用香料控制释放技术及其应用( 第1版)》", 31 May 2016, 西南交通大学出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115787919A (en) * | 2021-06-09 | 2023-03-14 | 重庆大学 | Phase-change material particle applied to phase-change heat storage plate for building |
CN113717695A (en) * | 2021-09-10 | 2021-11-30 | 中国矿业大学 | Preparation method and application of fused salt-based composite phase-change heat storage large capsule |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106867466B (en) | Method for synthesizing inorganic phase change energy storage material by using fly ash and hydrated inorganic salt | |
CN111019611A (en) | Preparation method of building energy-saving ceramic-based composite heat storage material | |
CN105036627B (en) | A kind of interconvertibility roofing self-heat conserving haydite concrete | |
CN104944819B (en) | A kind of phase-change accumulation energy aggregate and preparation method thereof | |
CN112521158B (en) | Bone-like hierarchical pore ceramic-based photothermal storage material and preparation method thereof | |
CN105062429A (en) | Powder phase change energy storage material and preparation method thereof | |
CN102515728B (en) | Conductive ceramic, method for preparing same and application for same | |
CN105462381A (en) | Temperature and humidity regulating type composite coating material and preparation method thereof | |
CN106118610B (en) | Polyethylene glycol/graphene sizing phase-change material preparation method | |
CN110130530B (en) | Building interlocking building block and thermal insulation mortar used by same | |
CN111646771A (en) | Solid-phase foaming fly ash non-sintered ceramsite and preparation method thereof | |
CN111434746A (en) | Phase-change energy storage material filled with phosphogypsum, phase-change energy storage plate and preparation method thereof | |
CN108017403A (en) | A kind of compound heat accumulation ceramic based material of high-temperature phase-change and preparation method thereof | |
CN104098318A (en) | Biomass porous phase change temperature adjustment and humidifying material and preparation method thereof | |
CN114032073A (en) | Preparation method of slag expanded bead composite phase-change material | |
CN109021931A (en) | A kind of phase-change heat-storage material preparation method using unorganic glass as heat-storage medium | |
CN105838331B (en) | A kind of diatomite base composite phase-change heat accumulation ball, preparation method and purposes | |
CN108865079A (en) | A method of high-temperature molten salt particle phase-change material is encapsulated using unorganic glass powder | |
CN111960752A (en) | Phase-change heat storage wall material for building maintenance and preparation method thereof | |
CN108383491B (en) | Kaolin-based heat storage ceramic and preparation method thereof | |
CN107446434A (en) | A kind of new thermal insulation coatings based on phase-change thermal storage and preparation method thereof | |
CN109796220B (en) | Calcium carbonate-calcium silicate-silicon dioxide aerogel multi-layer composite heat-insulating material and preparation method thereof | |
CN108675822A (en) | A kind of heat accumulation ceramic based material and preparation method thereof | |
CN114716978A (en) | Hierarchical pore structure carrier composite phase change energy storage material and preparation method thereof | |
CN107167013B (en) | A kind of accumulation of energy heat-exchanger rig |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200417 |