CN107266050A - A kind of ceramic base high-temperature heat-storage material and preparation method thereof - Google Patents
A kind of ceramic base high-temperature heat-storage material and preparation method thereof Download PDFInfo
- Publication number
- CN107266050A CN107266050A CN201710618250.5A CN201710618250A CN107266050A CN 107266050 A CN107266050 A CN 107266050A CN 201710618250 A CN201710618250 A CN 201710618250A CN 107266050 A CN107266050 A CN 107266050A
- Authority
- CN
- China
- Prior art keywords
- ceramic base
- temperature heat
- storage material
- base high
- preparation
- 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.)
- Pending
Links
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
-
- 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
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide 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
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, 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
- C04B2235/34—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
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/405—Iron group metals
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention relates to a kind of ceramic base high-temperature heat-storage material and preparation method thereof.Its technical scheme is：Silicon-containing material, aluminium salt, stabilizer and complexing agent are mixed, grinding obtains abrasive；The aluminium salt, inorganic salts, iron powder, manganese powder and aluminium powder are mixed, it is compressing under the conditions of 50 ~ 100MPa, it is heat-treated under the conditions of neutral atmosphere and 600 ~ 800 DEG C, ball milling, dry, screening, obtain the screening material B that granularity is less than 0.088mm for 0.088 ~ 1mm screening material A and granularity.20 ~ 50wt% the abrasive, the 10 ~ 30wt% screening material A, 20 ~ 40wt% screening the material B and 5 ~ 10wt% inorganic salts are mixed, it is compressing under the conditions of 10 ~ 30MPa, it is heat-treated under the conditions of 700 ~ 900 DEG C and neutral atmosphere, produces ceramic base high-temperature heat-storage material.The present invention has that raw material sources are wide, simple technique and the characteristics of low production cost, and the storage density of made product is big, thermal conductivity factor is big, compressive resistance is high and thermal shock resistance is high.
Description
Technical field
The invention belongs to high-temperature heat-storage material technical field.Specifically related to a kind of ceramic base high-temperature heat-storage material and its preparation
Method.
Background technology
Heat accumulating is the current more extensive new function material of application, is mainly used in industrial exhaust heat/Waste Heat Recovery profit
With fields such as the exploitation of, solar energy composite and high-temperature energy-conservations.Heat accumulating mainly includes researching of sensible heat storage material and latent heat heat accumulating
Two kinds.Researching of sensible heat storage material is using main body of the refractory material as absorption heat, because the absorption of heat is only to rely on fire resisting
The sensible heat of material holds change, and it is scarce that this heat accumulating has that volume is big, cost is high, thermal inertia is big, power output is gradually reduced etc.
Point.Latent heat formula heat accumulating then utilizes suction exothermic character of the phase change medium in phase transition process, with storage density is big, small volume
It is the focus of heat memory technology research with the advantage such as transition temperature range is wide.
It is main at present that latent heat heat accumulating is prepared using mixed-sintering method and melting method of impregnation, but all there are some not
Foot.Mixed-sintering method is to mix matrix material, phase-change material, additive etc., and latent heat heat accumulation material is obtained after shaping, sintering
Material.The method is relatively easy, but can cause the drain evaporation of phase-change material when sintering temperature is too high or phase-change material content is larger,
So as to reduce the heat storage performance of material.For the loss in reduction phase-change material solid, liquid transition process, there is researcher by phase-change material
It is encapsulated in dedicated container, but the thermal resistance of material, reduction heat transfer efficiency, raising production cost can be increased.Melting infiltration rule is needed
Liquid state phase change material, is then infiltrated up in porous ceramics hole by previously prepared porous ceramic film material, and latent heat heat accumulation is made in cooling
Material.This method can avoid phase-change material drain evaporation, reduce sintering process bulk effect.But the method needs previously prepared
Porous ceramic bodies, the content of phase-change material depends on the pore size and its distribution of porous ceramic preforms, and process is more
Complexity, and cost of manufacture is high.It is low also to there is the performances such as mechanical strength, thermal conductivity factor and thermal shock resistance in existing heat accumulating
Problem.
In addition, in order to improve energy conversion efficiency and reduce cost, solar energy utilization technique is just towards more high workload temperature
Degree development, the operating temperature that heat generates electricity alreadys exceed 600 DEG C, and the temperature of a large amount of industrial exhaust heats is also very high（More than 1000
℃）.These are all in the urgent need to exploitation high temperature latent heat heat accumulating.However, so far, still being stored up without ripe high temperature latent heat
Hot systems stable operation.
The content of the invention
It is contemplated that overcoming the defect that prior art is present, it is therefore an objective to provide that a kind of raw material sources are wide, production cost is low
With the preparation method of the simple ceramic base high-temperature heat-storage material of technique, the work of the ceramic base high-temperature heat-storage material prepared with this method
Make temperature height, storage density is big, thermal conductivity factor is big, compressive resistance is high and thermal shock resistance is high.
To achieve the above object, the technical solution adopted by the present invention is comprised the concrete steps that：
The first step, by 20 ~ 40wt% silicon-containing material, 40 ~ 60wt% aluminium salt, 0.1 ~ 10wt% stabilizer and 10 ~ 30wt%
Complexing agent is mixed, and is ground 0.5 ~ 2 hour, is produced abrasive.
Second step, by the 20 ~ 40wt% aluminium salt, 30 ~ 50wt% inorganic salts, 10 ~ 30wt% iron powder, 10 ~ 30wt%
Manganese powder and 10 ~ 30wt% aluminium powder be well mixed, it is compressing under the conditions of 50 ~ 100MPa, in neutral atmosphere and 600 ~ 800
Be heat-treated 0.5 ~ 3 hour, cool down under the conditions of DEG C, crush, ball milling, 90 DEG C of drying 12 hours, screening, obtain granularity be 0.088 ~
1mm screening material A and granularity are less than 0.088mm screening material B.
3rd step, by the 20 ~ 50wt% abrasive, the 10 ~ 30wt% screening material A, 20 ~ 40wt% the sieve
Sub-material B and 5 ~ 10wt% inorganic salts are well mixed, compressing under the conditions of 10 ~ 30MPa, in 700 ~ 900 DEG C and neutral atmosphere
Under the conditions of be heat-treated 0.5 ~ 3 hour, produce ceramic base high-temperature heat-storage material.
The granularity of the silicon-containing material is less than 0.088mm；The silicon-containing material is fused quartz or is konilite, the molten stone
English-Chinese SiO2Content is more than the SiO in 99wt%, the konilite2Content is more than 98wt%.
The granularity of the aluminium salt is less than 0.045mm；The aluminium salt is aluminum sulfate or is aluminum nitrate, in the aluminum sulfate
Al2(SO4)3·18H2O content is more than the Al (NO in 99wt%, the aluminum nitrate3)3·9H2O content is more than 99wt%.
The granularity of the stabilizer is less than 0.01mm, and the stabilizer is lanthana powder or is titanium dioxide zirconium powder, the oxygen
Change the La in lanthanum powder2O3Content is more than the ZrO in 99wt%, the titanium dioxide zirconium powder2Content is more than 99wt%.
The complexing agent is anhydrous oxalic acid or is Citric Acid Mono；The purity of the complexing agent is more than 99wt%.
The granularity of the inorganic salts is less than 0.088mm；The inorganic salts are potassium chloride or are sodium chloride, the inorganic salts
Purity is more than 99wt%.
The granularity of the iron powder is less than 0.045mm；The Fe contents of the iron powder are more than 99wt%.
The granularity of the manganese powder is less than 0.088mm；The Mn contents of the manganese powder are more than 99wt%.
The granularity of the aluminium powder is less than 0.045mm；The Al content of the aluminium powder is more than 99wt%.
The neutral atmosphere is nitrogen atmosphere or is argon gas atmosphere.
The ball milling be An Wu Liao ︰ zirconium oxide Mo Qiu ︰ absolute ethyl alcohols mass ratio be the dispensings of 1 ︰, 10 ︰ 5, be put into ball grinder
In, ball milling 12 ~ 15 hours under conditions of 200r/min.
Due to using above-mentioned technical proposal, the present invention has following good effect compared with prior art：
(1) the present invention is based on high content phase-change material, composition, formation and the distribution of control structure material, adjustment structure
The high-temperature reactivity of material and phase-change material, the storage density of obtained ceramic base high-temperature heat-storage material is big, and operating temperature is big
In 600 DEG C.
(2) the present invention realizes the micro Distribution of phase-change material using the formation feature of structural material, and control crystallite is in phase transformation material
Formation state in material adjusts the heat absorption, accumulation of heat and Heat transfer of material, and obtained ceramic base high-temperature heat-storage material is led
Hot coefficient is high.
(3) the present invention is using the pyroreaction characteristic between different material, and formation refractoriness is high, compressive resistance is big, thermal expansion
Coefficient is low and the high matrix material of corrosion resistance, the compressive resistance of obtained ceramic base high-temperature heat-storage material is big and thermal shock stably
Property it is high.
(4) the present invention controls preparation process substep, it is to avoid use according to the structure and performance characteristics of high-temperature heat-storage material
The processes such as high-temperature calcination, had both prevented the loss of phase-change material, and the ingenious control of material structure and performance is realized again.Therefore,
The raw material sources that the present invention is not only used are extensive, and simple production process and production cost are low.
Ceramic base high-temperature heat-storage material performance prepared by the present invention is after testing：Storage density is more than 800kJ/kg；Heat conduction system
Number is more than 1.8W/ (mK)；Compressive resistance is more than 20MPa；Thermal shock resistance (1100 DEG C of water coolings)>20 times.
Therefore, the characteristics of present invention has wide raw material sources, simple technique and low production cost, prepared ceramic base is high
The operating temperature of warm heat accumulating is high, storage density is big, thermal conductivity factor is big, compressive resistance is high and thermal shock resistance is high.
Embodiment
With reference to embodiment, the invention will be further described, not to the limitation of its protection domain.
It is first that the technical parameter Unify legislation involved by present embodiment is as follows to avoid repeating, in embodiment not
Repeat again：
The granularity of the silicon-containing material is less than 0.088mm；The silicon-containing material is fused quartz or is konilite, in the fused quartz
SiO2Content is more than the SiO in 99wt%, the konilite2Content is more than 98wt%.
The granularity of the aluminium salt is less than 0.045mm；The aluminium salt is aluminum sulfate or is aluminum nitrate, in the aluminum sulfate
Al2(SO4)3·18H2O content is more than the Al (NO in 99wt%, the aluminum nitrate3)3·9H2O content is more than 99wt%.
The granularity of the stabilizer is less than 0.01mm, and the stabilizer is lanthana powder or is titanium dioxide zirconium powder, the oxygen
Change the La in lanthanum powder2O3Content is more than the ZrO in 99wt%, the titanium dioxide zirconium powder2Content is more than 99wt%.
The complexing agent is anhydrous oxalic acid or is Citric Acid Mono；The purity of the complexing agent is more than 99wt%.
The granularity of the inorganic salts is less than 0.088mm；The inorganic salts are potassium chloride or are sodium chloride, the inorganic salts
Purity is more than 99wt%.
The granularity of the iron powder is less than 0.045mm；The Fe contents of the iron powder are more than 99wt%.
The granularity of the manganese powder is less than 0.088mm；The Mn contents of the manganese powder are more than 99wt%.
The granularity of the aluminium powder is less than 0.045mm；The Al content of the aluminium powder is more than 99wt%.
The neutral atmosphere is nitrogen atmosphere or is argon gas atmosphere.
The ball milling be An Wu Liao ︰ zirconium oxide Mo Qiu ︰ absolute ethyl alcohols mass ratio be the dispensings of 1 ︰, 10 ︰ 5, be put into ball grinder
In, ball milling 12 ~ 15 hours under conditions of 200r/min.
Embodiment 1
A kind of ceramic base high-temperature heat-storage material and preparation method thereof.Preparation method is described in the present embodiment：
The first step, by 20 ~ 30wt% konilite, 50 ~ 60wt% aluminum sulfate, 0.1 ~ 1wt% lanthana powder and 10 ~ 20wt%
Anhydrous oxalic acid is mixed, and is ground 0.5 ~ 2 hour, is obtained abrasive.
Second step, by 20 ~ 30wt% aluminum sulfate, 30 ~ 40wt% potassium chloride, 20 ~ 30wt% iron powder, 10 ~ 20wt%
Manganese powder and 10 ~ 20wt% aluminium powder are well mixed, compressing under the conditions of 50 ~ 100MPa, in argon gas atmosphere and 600 ~ 800 DEG C
Under the conditions of be heat-treated 0.5 ~ 1.5 hour, crush, ball milling, dry 12 hours under the conditions of 90 DEG C, screening, obtain granularity for 0.088 ~
1mm screening material A and granularity are less than 0.088mm screening material B.
3rd step, by 20 ~ 30wt% abrasive, 20 ~ 30wt% screening material A, 30 ~ 40wt% screening material B and 5 ~
10wt% potassium chloride is well mixed, compressing under the conditions of 10 ~ 30MPa, hot under the conditions of argon gas atmosphere and 700 ~ 900 DEG C
Processing 0.5 ~ 1.5 hour, produces ceramic base high-temperature heat-storage material.
The operating temperature of ceramic base high-temperature heat-storage material manufactured in the present embodiment is more than 600 DEG C, and the performance of made product is passed through
Detection：Storage density is more than 850kJ/kg；Thermal conductivity factor is more than 1.8W/ (mK)；Compressive resistance is more than 20MPa；Thermal shock is stable
Property (1100 DEG C of water coolings)>20 times.
Embodiment 2
A kind of ceramic base high-temperature heat-storage material and preparation method thereof.Preparation method is described in the present embodiment：
The first step, by 30 ~ 40wt% fused quartz, 40 ~ 50wt% aluminum nitrate, 1 ~ 5wt% titanium dioxide zirconium powder and 10 ~ 20wt%
Citric Acid Mono is mixed, and is ground 0.5 ~ 2 hour, is obtained abrasive.
Second step, by 30 ~ 40wt% aluminum nitrate, 30 ~ 40wt% sodium chloride, 10 ~ 20wt% iron powder, 10 ~ 20wt%
Manganese powder and 10 ~ 20wt% aluminium powder are well mixed, compressing under the conditions of 50 ~ 100MPa, in nitrogen atmosphere and 600 ~ 800 DEG C
Under the conditions of be heat-treated 1 ~ 2 hour, crush, ball milling, dry 12 hours under the conditions of 90 DEG C, screening, it is 0.088 ~ 1mm's to obtain granularity
Screening material A and granularity are less than 0.088mm screening material B.
3rd step, by 30 ~ 40wt% abrasive, 20 ~ 30wt% screening material A, 20 ~ 30wt% screening material B and 5 ~
10wt% sodium chloride is well mixed, compressing under the conditions of 10 ~ 30MPa, hot under the conditions of nitrogen atmosphere and 700 ~ 900 DEG C
Processing 1 ~ 2 hour, produces ceramic base high-temperature heat-storage material.
The operating temperature of ceramic base high-temperature heat-storage material manufactured in the present embodiment is more than 600 DEG C, and the performance of made product is passed through
Detection：Storage density is more than 820kJ/kg；Thermal conductivity factor is more than 2W/ (mK)；Compressive resistance is more than 20MPa；Thermal shock resistance
(1100 DEG C of water coolings)>20 times.
Embodiment 3
A kind of ceramic base high-temperature heat-storage material and preparation method thereof.Preparation method is described in the present embodiment：
The first step, by 20 ~ 30wt% fused quartz, 40 ~ 50wt% aluminum sulfate, 5 ~ 10wt% titanium dioxide zirconium powder and 20 ~ 30wt%
Anhydrous oxalic acid mixing, grind 0.5 ~ 2 hour, obtain abrasive.
Second step, by 20 ~ 30wt% aluminum nitrate, 30 ~ 40wt% sodium chloride, 10 ~ 20wt% iron powder, 20 ~ 30wt%
Manganese powder and 10 ~ 20wt% aluminium powder are well mixed, compressing under the conditions of 50 ~ 100MPa, in nitrogen atmosphere and 600 ~ 800 DEG C
Under the conditions of be heat-treated 2 ~ 3 hours, crush, ball milling, dried 12 hours under the conditions of 90 DEG C, screening obtains granularity for 0.088 ~ 1mm
Screening material A and granularity be less than 0.088mm screening material B.
3rd step, by 30 ~ 40wt% abrasive, 10 ~ 20wt% screening material A, 30 ~ 40wt% screening material B and 5 ~
10wt% sodium chloride is well mixed, compressing under the conditions of 10 ~ 30MPa, hot under the conditions of nitrogen atmosphere and 700 ~ 900 DEG C
Processing 2 ~ 3 hours, produces ceramic base high-temperature heat-storage material.
The operating temperature of ceramic base high-temperature heat-storage material manufactured in the present embodiment is more than 600 DEG C, and the performance of made product is passed through
Detection：Storage density is more than 900kJ/kg；Thermal conductivity factor is more than 2W/ (mK)；Compressive resistance is more than 25MPa；Thermal shock resistance
(1100 DEG C of water coolings)>20 times.
Embodiment 4
A kind of ceramic base high-temperature heat-storage material and preparation method thereof.Preparation method is described in the present embodiment：
The first step, by 20 ~ 30wt% konilite, 50 ~ 60wt% aluminum sulfate, 0.1 ~ 1wt% lanthana powder and 10 ~ 20wt%
Anhydrous oxalic acid is mixed, and is ground 0.5 ~ 2 hour, is obtained abrasive.
Second step, by 20 ~ 30wt% aluminum sulfate, 40 ~ 50wt% potassium chloride, 10 ~ 20wt% iron powder, 10 ~ 20wt%
Manganese powder and 10 ~ 20wt% aluminium powder are well mixed, compressing under the conditions of 50 ~ 100MPa, in argon gas atmosphere and 600 ~ 800 DEG C
Under the conditions of be heat-treated 0.5 ~ 1.5 hour, crush, ball milling, dried 12 hours under the conditions of 90 DEG C, screening obtains granularity for 0.088
~ 1mm screening material A and granularity are less than 0.088mm screening material B.
3rd step, by 20 ~ 30wt% abrasive, 20 ~ 30wt% screening material A, 30 ~ 40wt% screening material B and 5 ~
10wt% potassium chloride is well mixed, compressing under the conditions of 10 ~ 30MPa, hot under the conditions of argon gas atmosphere and 700 ~ 900 DEG C
Processing 0.5 ~ 1.5 hour, produces ceramic base high-temperature heat-storage material.
The operating temperature of ceramic base high-temperature heat-storage material manufactured in the present embodiment is more than 600 DEG C, and the performance of made product is passed through
Detection：Storage density is more than 800kJ/kg；Thermal conductivity factor is more than 2W/ (mK)；Compressive resistance is more than 25MPa；Thermal shock resistance
(1100 DEG C of water coolings)>20 times.
Embodiment 5
A kind of ceramic base high-temperature heat-storage material and preparation method thereof.Preparation method is described in the present embodiment：
The first step, by 20 ~ 30wt% konilite, 50 ~ 60wt% aluminum sulfate, 0.1 ~ 1wt% lanthana powder and 10 ~ 20wt%
Anhydrous oxalic acid is mixed, and is ground 0.5 ~ 2 hour, is obtained abrasive.
Second step, by 20 ~ 30wt% aluminum sulfate, 30 ~ 40wt% potassium chloride, 10 ~ 20wt% iron powder, 10 ~ 20wt%
Manganese powder and 20 ~ 30wt% aluminium powder are well mixed, compressing under the conditions of 50 ~ 100MPa, in nitrogen atmosphere and 600 ~ 800 DEG C
Under the conditions of be heat-treated 1 ~ 2 hour, crush, ball milling, dry 12 hours under the conditions of 90 DEG C, screening, it is 0.088 ~ 1mm's to obtain granularity
Screening material A and granularity are less than 0.088mm screening material B.
3rd step, by 30 ~ 40wt% abrasive, 20 ~ 30wt% screening material A, 20 ~ 30wt% screening material B and 5 ~
10wt% sodium chloride is well mixed, compressing under the conditions of 10 ~ 30MPa, hot under the conditions of nitrogen atmosphere and 700 ~ 900 DEG C
Processing 1 ~ 2 hour, produces ceramic base high-temperature heat-storage material.
The operating temperature of ceramic base high-temperature heat-storage material manufactured in the present embodiment is more than 600 DEG C, and the performance of made product is passed through
Detection：Storage density is more than 860kJ/kg；Thermal conductivity factor is more than 2W/ (mK)；Compressive resistance is more than 22MPa；Thermal shock resistance
(1100 DEG C of water coolings)>20 times.
Present embodiment has following good effect compared with prior art：
(1) present embodiment is based on high content phase-change material, composition, formation and the distribution of control structure material,
The high-temperature reactivity of adjustment structure material and phase-change material, the storage density of obtained ceramic base high-temperature heat-storage material is big, work
Make temperature more than 600 DEG C.
(2) present embodiment realizes the micro Distribution of phase-change material using the formation feature of structural material, controls crystallite
Formation state in phase-change material adjusts the heat absorption, accumulation of heat and Heat transfer of material, obtained ceramic base high-temperature heat-storage
The thermal conductivity factor of material is high.
(3) present embodiment utilizes the pyroreaction characteristic between different material, forms refractoriness height, compressive resistance
Greatly, the matrix material that thermal coefficient of expansion is low and corrosion resistance is high, the compressive resistance of obtained ceramic base high-temperature heat-storage material is big
It is high with thermal shock resistance.
(4) present embodiment controls preparation process substep according to the structure and performance characteristics of high-temperature heat-storage material,
Avoid, using processes such as high-temperature calcinations, both having prevented the loss of phase-change material, the ingenious control of material structure and performance being realized again
System.Therefore, the raw material sources that present embodiment is not only used are extensive, and simple production process and production cost are low.
Ceramic base high-temperature heat-storage material performance prepared by present embodiment is after testing：Storage density is more than 800kJ/
kg；Thermal conductivity factor is more than 1.8W/ (mK)；Compressive resistance is more than 20MPa；Thermal shock resistance (1100 DEG C of water coolings)>20 times.
Therefore, the characteristics of present embodiment has wide raw material sources, simple technique and low production cost, it is prepared
The operating temperature of ceramic base high-temperature heat-storage material is high, storage density is big, thermal conductivity factor is big, compressive resistance is high and thermal shock resistance
It is high.
Claims (12)
1. a kind of preparation method of ceramic base high-temperature heat-storage material, it is characterised in that the preparation method is：
The first step, by 20 ~ 40wt% silicon-containing material, 40 ~ 60wt% aluminium salt, 0.1 ~ 10wt% stabilizer and 10 ~ 30wt%
Complexing agent is mixed, and is ground 0.5 ~ 2 hour, is produced abrasive；
Second step, by the 20 ~ 40wt% aluminium salt, 30 ~ 50wt% inorganic salts, 10 ~ 30wt% iron powder, 10 ~ 30wt% manganese
Powder and 10 ~ 30wt% aluminium powder are well mixed, compressing under the conditions of 50 ~ 100MPa, in neutral atmosphere and 600 ~ 800 DEG C of bars
It is heat-treated 0.5 ~ 3 hour, cools down under part, crushes, ball milling, 90 DEG C of drying 12 hours, screening, it is 0.088 ~ 1mm's to obtain granularity
Screening material A and granularity are less than 0.088mm screening material B；
3rd step, by the 20 ~ 50wt% abrasive, the 10 ~ 30wt% screening material A, 20 ~ 40wt% the screening material B
It is well mixed with 5 ~ 10wt% inorganic salts, it is compressing under the conditions of 10 ~ 30MPa, in 700 ~ 900 DEG C and neutral atmosphere condition
Lower heat treatment 0.5 ~ 3 hour, produces ceramic base high-temperature heat-storage material.
2. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the silicon-containing material
Granularity is less than 0.088mm；The silicon-containing material is fused quartz or is konilite, the SiO in the fused quartz2Content is more than
SiO in 99wt%, the konilite2Content is more than 98wt%.
3. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the granularity of the aluminium salt
Less than 0.045mm；The aluminium salt is aluminum sulfate or is aluminum nitrate, the middle Al of the aluminum sulfate2(SO4)3·18H2O content is more than
Al (NO in 99wt%, the aluminum nitrate3)3·9H2O content is more than 99wt%.
4. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the grain of the stabilizer
Degree is less than 0.01mm, and the stabilizer is lanthana powder or is titanium dioxide zirconium powder, the La in the lanthana powder2O3Content is more than
ZrO in 99wt%, the titanium dioxide zirconium powder2Content is more than 99wt%.
5. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the complexing agent is nothing
Pasture and water acid is Citric Acid Mono；The purity of the complexing agent is more than 99wt%.
6. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the grain of the inorganic salts
Degree is less than 0.088mm；The inorganic salts are potassium chloride or are sodium chloride, and the purity of the inorganic salts is more than 99wt%.
7. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the granularity of the iron powder
Less than 0.045mm；The Fe contents of the iron powder are more than 99wt%.
8. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the granularity of the manganese powder
Less than 0.088mm；The Mn contents of the manganese powder are more than 99wt%.
9. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the granularity of the aluminium powder
Less than 0.045mm；The Al content of the aluminium powder is more than 99wt%.
10. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the neutral atmosphere is
Nitrogen atmosphere is argon gas atmosphere.
11. the preparation method of ceramic base high-temperature heat-storage material according to claim 1, it is characterised in that the ball milling is by thing
The mass ratio of Liao ︰ zirconium oxide Mo Qiu ︰ absolute ethyl alcohols is the dispensings of 1 ︰, 10 ︰ 5, is put into ball grinder, the ball under conditions of 200r/min
Mill 12 ~ 15 hours.
12. a kind of ceramic base high-temperature heat-storage material, it is characterised in that the ceramic base high-temperature heat-storage material claim 1 ~ 11
Any one of ceramic base high-temperature heat-storage material preparation method prepared by ceramic base high-temperature heat-storage material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618250.5A CN107266050A (en) | 2017-07-26 | 2017-07-26 | A kind of ceramic base high-temperature heat-storage material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618250.5A CN107266050A (en) | 2017-07-26 | 2017-07-26 | A kind of ceramic base high-temperature heat-storage material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107266050A true CN107266050A (en) | 2017-10-20 |
Family
ID=60078717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710618250.5A Pending CN107266050A (en) | 2017-07-26 | 2017-07-26 | A kind of ceramic base high-temperature heat-storage material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107266050A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609099A (en) * | 2018-12-24 | 2019-04-12 | 江苏嘉耐高温材料有限公司 | A kind of high-temperature phase-change heat storage material |
| CN109628068A (en) * | 2018-12-24 | 2019-04-16 | 江苏嘉耐高温材料有限公司 | A kind of phase-change heat-storage material |
| CN111253158A (en) * | 2020-01-21 | 2020-06-09 | 武汉理工大学 | Solar thermal power generation and heat absorption/storage integrated corundum/SiC ceramic material and preparation method thereof |
| CN117599609A (en) * | 2024-01-03 | 2024-02-27 | 上海惠志环保科技有限公司 | Three-tower type RTO dioxin waste gas treatment method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585775A (en) * | 2012-01-20 | 2012-07-18 | 中国科学院过程工程研究所 | High-temperature composite phase change heat storage material and preparation method thereof |
-
2017
- 2017-07-26 CN CN201710618250.5A patent/CN107266050A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585775A (en) * | 2012-01-20 | 2012-07-18 | 中国科学院过程工程研究所 | High-temperature composite phase change heat storage material and preparation method thereof |
Non-Patent Citations (10)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会: "《GB/T 30873-2014中华人民共和国国家标准 耐火材料 抗热震性试验方法》", 31 August 2014, 中国标准出版社 * |
| 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会: "《GB/T 5072-2008中华人民共和国国家标准 耐火材料 常温耐压强度试验方法》", 30 September 2008, 中国标准出版社 * |
| 中国材料研究学会: "《96中国材料研讨会论文集II 材料设计与加工2 高性能复合材料》", 30 November 1997, 化学工业出版社 * |
| 冷光辉等: "封装PCM 陶瓷储热材料的性能", 《储能科学与技术》 * |
| 江体乾: "《化工工艺手册》", 29 February 1992, 上海科学技术出版社 * |
| 王如竹等: "《绿色建筑能源系统》", 31 October 2013, 上海交通大学出版社 * |
| 王树庆等: "《食品中的硝酸盐与亚硝酸盐》", 30 September 2016, 中国轻工业出版社 * |
| 王沛等: "《中药制药工程原理与设备》", 31 August 2016, 中国中医出版社 * |
| 葛海鹏: "利用工业废渣制备太阳能蓄热材料的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 马伟明: "《氧化物陶瓷刀具与仿真切削》", 31 October 2014, 冶金工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609099A (en) * | 2018-12-24 | 2019-04-12 | 江苏嘉耐高温材料有限公司 | A kind of high-temperature phase-change heat storage material |
| CN109628068A (en) * | 2018-12-24 | 2019-04-16 | 江苏嘉耐高温材料有限公司 | A kind of phase-change heat-storage material |
| CN109609099B (en) * | 2018-12-24 | 2020-12-01 | 江苏嘉耐高温材料股份有限公司 | High-temperature phase-change heat storage material |
| CN109628068B (en) * | 2018-12-24 | 2020-12-01 | 江苏嘉耐高温材料股份有限公司 | Phase-change heat storage material |
| CN111253158A (en) * | 2020-01-21 | 2020-06-09 | 武汉理工大学 | Solar thermal power generation and heat absorption/storage integrated corundum/SiC ceramic material and preparation method thereof |
| CN117599609A (en) * | 2024-01-03 | 2024-02-27 | 上海惠志环保科技有限公司 | Three-tower type RTO dioxin waste gas treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107266050A (en) | A kind of ceramic base high-temperature heat-storage material and preparation method thereof | |
| JP6846616B2 (en) | Manufacture of new materials and their use as storage media in sensible heat energy storage systems in the cold, medium and hot regions | |
| Karagiannakis et al. | Monolithic ceramic redox materials for thermochemical heat storage applications in CSP plants | |
| CN102875177B (en) | Infrared energy-saving coating of high-temperature kiln and preparation method thereof | |
| CN101656292B (en) | Preparation method for bismuth-tellurium nano-porous thermoelectric material | |
| CN107266035A (en) | A kind of ceramic base heat accumulating using copper ashes as raw material and preparation method thereof | |
| CN110257016A (en) | Hydroxide heat accumulating | |
| KR101624310B1 (en) | Thermoelectric materials and their manufacturing method | |
| CN113443654B (en) | Rare earth doped spinel material with electromagnetic wave regulation and control function and preparation thereof | |
| CN102464972A (en) | Magnetic refrigeration material compound with high magnetic entropy change and its preparation method | |
| CN107324798A (en) | A kind of ceramic base heat accumulating and preparation method thereof | |
| CN103626510A (en) | Method for preparing magnesium borate whisker porous ceramic by employing in-situ growth | |
| CN102127396B (en) | Magnetic refrigeration material compound prepared under high pressure and preparation method thereof | |
| CN109609099B (en) | High-temperature phase-change heat storage material | |
| CN106865602B (en) | Graphite-titanium suboxide composite material preparation method | |
| CN105502400B (en) | A kind of B4The preparation method of C whiskers | |
| Gorinta et al. | Synthesis of lithium orthosilicate by solution combustion technique and its microwave sintering | |
| CN105140383B (en) | Compound PbSe base thermoelectricity materials for mixing Sr and Na and preparation method thereof | |
| JP2017126759A (en) | Method for manufacturing thermoelectric material, and thermoelectric device | |
| CN102206084B (en) | Silicon heat-insulating product with high refractoriness under load and low volume weight, and preparation method thereof | |
| CN107286914A (en) | A kind of ceramic base heat accumulating based on iron tailings and preparation method thereof | |
| JP2006261384A (en) | Structure of oxide thermoelectric conversion material | |
| CN109439939A (en) | A kind of fast preparation method of CuSe block thermoelectric material | |
| CN108675822A (en) | A kind of heat accumulation ceramic based material and preparation method thereof | |
| KR101629509B1 (en) | Thermoelectric materials and their manufacturing method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
|
| RJ01 | Rejection of invention patent application after publication |