CN106556255A - A kind of heat-storing material, preparation method and applications - Google Patents
A kind of heat-storing material, preparation method and applications Download PDFInfo
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- CN106556255A CN106556255A CN201610850609.7A CN201610850609A CN106556255A CN 106556255 A CN106556255 A CN 106556255A CN 201610850609 A CN201610850609 A CN 201610850609A CN 106556255 A CN106556255 A CN 106556255A
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- heat
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- storing material
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- 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
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/042—Bricks shaped for use in regenerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention discloses a kind of heat-storing material, preparation method and applications, the heat-storing material includes silicon oxide, ferrous oxide, ferrum oxide and copper oxide；The heat-storing material is that using non-ferrous metal metallurgy slag, slag composition and mineral composition are smelted in control, by certain preparation technology, is prepared into that good heat conductivity, bulk density are big, amount of stored heat is big, the heat exchange material that softening point is high, is applied to regenerator.Comprise the following steps：Step one, smelting process and mineral composition control and pretreatment；Step 2, the cooling treatment for smelting slag；Step 3, the broken of slag, fine grinding and process；The dispensing of the high heat-storing material of step 4, high heat conduction, molding and burn till.The preparation method of the high heat-storing material of high heat conduction is simple, and amount of stored heat is big, heat exchange is fast, hot blast temperature is high, long service life, low production cost.Industrial residue can be comprehensively utilized, environment protecting is notable.
Description
Technical field
The present invention relates to high-temperature structural material industry, being should for high-temperature flue gas energy recovery heat-exchanger rig in Thermal Equipment
A kind of heat-storing material, preparation method and applications, it is specially a kind of to prepare containing high heat conduction composition, lead using industrial residue
The big heat-storing material of hot fast, density height, amount of stored heat, preparation method and applications.
Background technology
Heat regenerator has application in many industrial process, and the preheating of combustion air in burning is exactly one typical
Application, for example：Coke oven, glass melter, air stove etc..The principle of heat regenerator is using post combustion emission flue gas
In heat energy, for warm-up combustion-supporting air, so as to reaching burning low-grade fuel, improving the thermal efficiency of combustion process, realize more
The purposes such as high combustion reaction temperature.
Of short duration energy storage of the heat regenerator by multichannel high-temperature structural material, heat is transmitted from a kind of fluid
Give another fluid.First, traditionally it is being referred to as in the time of heating cycle, bottom is preheated the closing of gas inlet valve, heat
The different passages on heat-storing material top of the air-flow from heat regenerator flow through, and heat is delivered to heat-storing material, gas from air-flow
Stream temperature is reduced, and heat-storing material temperature is raised, and the thermal current that temperature is reduced enters air flue emission from heat regenerator bottom.Plus
At the end of heat cycle, heat regenerator top thermal current intake valve cuts out, and bottom is preheated gas inlet valve opening, gas stream
Dynamic direction switches over, and cold flow body (combustion air) flows through heat storage.In cooling cycle, accumulation of heat of the fluid from heat regenerator
Absorbed heat, the combustion air for burning are heated.Therefore, for conventional flow direction is converted, the accumulation of heat material in accumulation of heat body
Material is alternating to be exchanged heat with cold fluid and hot fluid.Repeat said process, there are two sets in having two sets of equipment arranged side by side or same equipment
Heat storage passage is worked simultaneously side by side is carried out continuously just can heat exchange.
Heat-storing material in heat regenerator mostly is refractory material, such as：Having for selecting in blast funnace hot blast stove is siliceous, high alumina
Matter and six hole of clayey or octal checker brick, the cross checker brick of the AZS that glass melter regenerator is used, densification are viscous
The heat-storing materials such as cob brick.Heat-storing material in heat regenerator is required：One is good heat conductivity, that is, be heated and heat release speed
Degree is fast, and thermal current is low from bottom exclusion temperature, and top is heated combustion air temperature height, and energy utilization rate is high；Two is thermal capacity
Greatly, i.e., specific heat capacity is big, and bulk density is high；Three is good thermal shock stability, anticorrosive, not softening transform.
The siliceous of application, High-Alumina, AZS and clayey heat-storing material existing problems are that heat conductivity is low at present,
Heat exchange is slow；Bulk density is low, and amount of stored heat is little.The bulk density of siliceous heat-storing material is less than 1.95g/cm3, 1000 DEG C of heat conduction systems
Number is about 1.74w/m.k；High alumina products bulk density is less than 2.85g/cm3, 1000 DEG C of heat conductivitys are about 2.30w/m.k；
High leck brick bulk density is less than 2.30g/cm3, 1000 DEG C of heat conductivitys are about 1.28w/m.k；AZS stores
Hot material production cost is high.The invention of the high heat-storing material of high heat conduction improves the heat exchange efficiency of heat regenerator, improves
Energy utilization rate.
The content of the invention
For defect of the prior art and deficiency, present invention aim at using smelting slag, there is provided a kind of high heat conduction
The preparation method of high heat-storing material, replaces current fire resisting heat-storing material.
In order to realize above-mentioned task, the present invention takes following technical solution：
A kind of heat-storing material, including silicon oxide, ferrous oxide, ferrum oxide and copper oxide.
Specifically, in parts by weight, silicon oxide is 26%～28%, and ferrous oxide is 60%～62%, and ferrum oxide is little
In 3%, copper oxide is 2.0%～2.5%.
More specifically, described silicon oxide and ferrous oxide be in the form of fayalite mineral facies, fayalite ore deposit
Phase content is 85%～86%；By mass percentage, in fayalite mineral facies, silicon oxide is 29%～30%, and oxidation is sub-
Ferrum is 70%～71%, and both percentage ratio sums are 100%.
Also include impurity, the content of impurity is 6%～8%.
Preferably, in parts by weight, silicon oxide is 27.84%, and ferrous oxide is 60.22%, and ferrum oxide is 1.98%,
Copper oxide is 2.24%.
Preferably, in parts by weight, silicon oxide is 27.11%, and ferrous oxide is 61.89%, and ferrum oxide is 2.37%,
Oxidation copper content 2.26%.
The preparation method of described heat-storing material, is included in Copper making and makes in sulfur smelting technology, adds Silicon stone adjustment slag
Composition, it is ensured that SiO in slag2：FeO=1:(1.9～2.1)；By mass percentage, control silicon oxide in slag be 26%～
28%th, ferrous oxide is 60%～62%, ferrum oxide less than 3% and copper oxide is 2.0%～2.5%；Slag is cooled to 1000
～1050 DEG C, then water extraction be cooled to room temperature；The slag fine grinding sieve classification of room temperature is will be cooled to again, is divided into 0～1mm, 1～3mm
Fine powder of the mass fraction of particulate material and -0.074mm more than 90%.
Described heat-storing material is used for the application for preparing heat storing and heat preserving brick.
Specifically, by heat-storing material size-reduced sieve classification, it is divided into the matter of 0～1mm, 1～3mm particulate material and -0.074mm
Fine powder of the amount fraction more than 90%；
Grain size distribution is according to (1～3) mm：(0～1) mm：- fine powder of the mass fraction of 0.074mm more than 90%=(55～
60):(10～15):The quality of (25～30) than dispensing, then by dispensing and agglutinant and bonding agent kneading molding after, in 1150～
1200 DEG C of insulation 2h are fired into heat storing and heat preserving brick.
More specifically, described agglutinant is potassium feldspar, and it is 3% that the addition of potassium feldspar accounts for the mass fraction of dispensing total amount
～5%；Bonding agent is cmc soln that mass concentration is 1.5%；
Dispensing, agglutinant and bonding agent are kneaded into 10～15min, 24h is spontaneously dried after molding, then in 180～190 DEG C
It is fired after being dried 4h.
Compared with prior art, it is an advantage of the current invention that：
The present invention a kind of heat-storing material i.e. using copper slag prepare copper ashes checker brick be widely used at present it is siliceous,
High-Alumina, clayey accumulation of heat checker brick are compared, and principal crystalline phase has the fayalite of a small amount of magnesium for solid solution, and refractoriness is more than 1350 DEG C,
Hardness 6-7, density are more than 4.15g/cm3, amount of stored heat is big；Due to the high-termal conductivity composition copper oxide for containing about 2% in copper slag
With 60 or so high-termal conductivity composition ferrous oxide, 1000 DEG C of heat conductivitys of copper ashes checker brick are about 2.5 times of high-alumina brick.
Smelt and smelting slag comprehensive utilization technique due to which employs, copper slag checker brick production cost only has high-alumina brick
Half, realize the comprehensive utilization of industrial residue, performance indications are much better than high-alumina brick.
Description of the drawings
Fig. 1 is the preparation method flow chart of the heat-storing material of the present invention；
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Specific embodiment
2014, certain nonferrous metals companies commission Xi'an University of Architecture and Technology's research and development non-ferrous metal metallurgy was melted with smelting
Slag for comprehensive utilizes project.Project team is guaranteeing to meet on non-ferrous metal metallurgy Process ba- sis, according to slag master according to primary-slave relation
Component content feature, is controlled to slag composition, and the cooling treatment of course of reaction and slag is optimized, and by its
It is applied to the preparation of the high heat-storing material of high heat conduction, using effect is much better than clayey, the silicic acid such as siliceous, High-Alumina for using at present
Salt heat-storing material.
A kind of high heat-storing material heat conductivility of high heat conduction and amount of stored heat of the present invention is far above the fire resisting grid for using at present
Brick.The comprehensive utilization of resource is realized, by constituent adjustment and process control, the smelting for both having completed non-ferrous metal is separated, melted
Slag can be used as preparing heat-storing material again, realize zero-emission smelting.
A kind of preparation method of heat-storing material, the method are that non-ferrous metal metallurgy is mutually tied with slag composition control is smelted
Close, slag composition, course of reaction and mineral composition are smelted in control, controlled by the cooling treatment to slag, then crushed, powder
It is broken, levigate, made by dispensing, kneading, molding, drying and firing process and answer checker brick used by regenerator.
The non-ferrous metal metallurgy of the present invention refers to the smelting of non-ferrous metal copper, using the technique of matte smelting-Copper Matte Converting
To process copper sulfide concentrate.The principle of this technique is, is more than ferrum and some foreign metals to the affinity of sulfur using copper, and ferrum
The physical property of copper is more than to the affinity of oxygen, under the conditions of high temperature and control oxidizing atmosphere, after the foreign metals such as ferrum is progressively aoxidized
It is removed in slag, and metallic copper is then enriched in various intermediate products, and progressively purifies.It was enriched with the smelting of copper
Cheng Zhong, matte smelting are an important unit processes, will the furnace charge such as copper sulfide concentrate, partial oxide calcining, returning charge,
Melting, the process of two kinds of immiscible liquid phases of output (molten sulfonium and slag) are carried out at a high temperature of 1523～1573K.So-called molten sulfonium
Refer to that Iron sulfuret. is mutually melted together the sulfide melt to be formed with metallic copper sulfide；Slag refer to the stone-like pulse in Ore and its
The melt of the mixture such as silicate that his slag making component is formed in fusion process and ferrite.Matte smelting mainly includes two
Process, i.e. slag making and sulfonium process is made, its dominant response is as follows：
2FeS(L)+3O2(g)=2FeO (L)+2SO2(g),2FeO(L)+SiO2(s)=2FeOSiO2(L) in furnace charge
Noble metal almost all enter copper matte regulus.Slag is with 2FeOSiO2Ion-type silicate melt based on (fayalite),
Copper matte regulus is then Jing Cu2Covalent type sulfide melt based on S and FeS, the two is immiscible, and the density of copper matte regulus is close more than slag
Degree, therefore copper matte regulus can be separated from each other with slag.Research to slag properties shows, when no silicon dioxide, liquid oxygen compound
It is that height is excessively miscible with sulfide, i.e., slag can not be made to separate with sulfonium.But, with SiO in system2The increase of content, slag-sulfonium
Between not miscible property step up, when slag is by SiO2During saturation, between slag and sulfonium, mutual solubility is minimum, copper matte regulus and slag it
Between separate to greatest extent.
With reference to Fig. 1, a kind of preparation method of heat-storing material of the present invention, comprise the following steps：
Step one, slag composition adjust selection, pretreatment and the control of slag composition of raw material.Copper making raw material can not change
Become, only choose slag composition and adjust raw material.Using SiO2The Silicon stone of % >=99, silica raw material have to pass through washing, to reduce Huang
The impurity that soil, mountain belt enter.The purpose for adding Silicon stone is present with fayalite form to ensure ferrous oxide.Described is molten
Slag ingredient includes the ratio of iron content and silicone content in Copper Ores raw material, by calculating, adds Silicon stone, to ensure to generate ferrum Fructus Canarii albi
Stone.Control silica content 26%～28%, ferrous oxide content 60%～62%, iron oxide content are less than 3%, and residual height is led
Hot oxidation copper content 2.0%～2.5%；Remaining composition is not limited, and mentioned component is combined with silicate to be mutually present.
Step 2, smelting course of reaction and mineral composition control.The smelting of copper mine, smelting are carried out using copper Matte Smelting Process
1250～1300 DEG C of temperature of refining, control oxidizing atmosphere are smelted, and the silicon oxide excess of addition is present without Free ferrous oxide；Oxidation
Ferrous to exist with fayalite form, fayalite content is not less than 85%, preferably 85%～86%, optimum quality ratio
SiO2：FeO=1:1.9～2.1, fayalite theory SiO2：FeO=2.39, because part FeO is entered in sulfonium, SiO in slag2：
FeO ratios are reduced.
Step 3, the cooling treatment for smelting slag；Slag naturally cools to 1000～1050 DEG C, then water extraction is cooled to room
Temperature.The main purpose of slag water extraction cooling, is to ensure that ferrous oxide will not be oxidized to ferrum oxide or ferroso-ferric oxide, and oxidation is sub-
Ferrum and silicon oxide form ferrosilite to be present with fayalite form, and the silicon oxide excess of addition is present without Free ferrous oxide；Oxygen
Change ferrous with the presence of fayalite form.Water extraction cooling makes the broken fine grinding of slag.
Step 4, the crushing of slag and fine grinding.Slag sieve classification Jing after crushing, be divided into 0～1mm, 1～3mm
Pellet, levigate fine powder require that -0.074mm is more than 90%.
The preparation of step 5, checker brick.Grain size distribution is according to (1～3) mm：(0～1) mm：Fine powder=(55～60):(10
～15):The ratio of (25～30), additional 3%～5% potassium feldspar fine powder as agglutinant, adopt concentration for 1.5% carboxymethyl
Cellulose solution is bonding agent, enters edge runner-wet mill and kneads 10～15 minutes, and pug Jing molding, after spontaneously drying 24 hours, enters tunnel
Exsiccator burns till in 1150～1200 DEG C of insulations in 180～190 DEG C of dryings 4 hours, kiln loading vehicle for 2 hours.
The present invention is specifically described below in conjunction with specific embodiment.
Embodiment one：
Step one, slag composition adjust selection, pretreatment and the control of slag composition of raw material：Using SiO2%=
99.07, Al2O3%=0.29, Fe2O3The Silicon stone of %=0.41, CaO%=0.23, silica raw material are washed using rotary screen；
Step 2, smelting course of reaction and mineral composition control：The smelting of copper mine, smelting are carried out using copper Matte Smelting Process
1280 DEG C of temperature of refining, control oxidizing atmosphere are smelted；Copper making charge composition conversion result is (per 100kg)：Cu is 26.12kg,
Pb+Ag+Zn=4.01kg, S are 31.24kg, Al2O3For 1.09kg, SiO2For 9.68kg, Fe is 25.67kg.According to SiO2：
FeO=1:1.9 ratio calculation, the Fe conversions of 25.67kg are 33.02kg for FeO, need to add Silicon stone 17.38kg.Remove original
9.68kg SiO2, separately need to add the Silicon stone of 7.77kg again.Main constituent chemical examination before skull melting furnace：Silica content 27.84%, oxidation are sub-
Iron content 60.22%, iron oxide content 1.98% aoxidize copper content 2.24%, other compositions surplus (i.e. impurity) 7.72%；
Step 3, the cooling treatment for smelting slag：Slag naturally cools to 1000～1050 DEG C, then water extraction is cooled to room temperature
Turn over bag；
Step 4, the crushing of slag and fine grinding：Slag sieve classification Jing after crushing, be divided into 0～1mm, 1～3mm
Pellet, levigate fine powder -0.074mm account for 91.04%；
The preparation of step 5, checker brick：Grain size distribution is according to 1～3mm：0～1mm：Fine powder=55:15:30 proportionings, it is additional
(granularity of potassium feldspar fine powder is 4% potassium feldspar fine powder：325 mesh sieve margins be not more than mass fraction 3%)；As agglutinant,
Potassium feldspar chemistry is consisted of：
CaO%=0.65, SiO2%=67.72, Al2O3%=16.66, Fe2O3%=1.00, MgO%=0.14,
Na2O%=2.70, K2O%=12.01；
Adopt concentration for 1.5% cmc soln be bonding agent, additional 5%；Enter edge runner-wet mill to knead 15 minutes,
Pug Jing molding, after spontaneously drying 24 hours, enters tunnel dryer in 180 DEG C of dryings 4 hours, and kiln loading vehicle is incubated 2 in 1150 DEG C
Hour is burnt till.
The physical and chemical index of detection checker brick is as follows：Bulk density 4.08g/cm3, 1000 DEG C of heat conductivity 5.73w/m.k, show
The porosity 5.63%, compressive resistance 195MPa, 1350 DEG C of refractoriness.Checker brick are applied to coke oven regenerator, checker port temperature
By 320 DEG C near 255 DEG C, preheated air temperature is improved to 790 DEG C degree by 660 DEG C, and the hot blast efficiency of furnace improves 40%.
Embodiment two：
The present embodiment with the difference of embodiment one is：
Step 2：According to SiO2：FeO=1:2.1 ratio calculation, the Fe conversions of 25.67kg are 33.02kg for FeO, need to be added
Enter Silicon stone 15.72kg.Remove the SiO of original 9.68kg2, separately need to add the Silicon stone of 6.04kg again.Main constituent chemical examination before skull melting furnace：Oxygen
SiClx content 27.11%, ferrous oxide content 61.89%, iron oxide content 2.37%, aoxidize copper content 2.26%, other into
Divide surplus 6.37%.The preparation of step 5, checker brick.Grain size distribution is according to 1～3mm：0～1mm：Fine powder=60:10:30 match somebody with somebody
Than additional 2% potassium feldspar fine powder is used as agglutinant.Kiln loading vehicle burns till in 1200 DEG C of insulations for 2 hours.
The physical and chemical index of detection checker brick is as follows：Bulk density 4.10g/cm3, 1000 DEG C of heat conductivity 5.81w/m.k, show
The porosity 5.79%, compressive resistance 201MPa, 1380 DEG C of refractoriness.Checker brick are applied to coke oven regenerator, and exhaust gas temperature is by 320
DEG C near 250 DEG C, preheated air temperature is substantially unchanged.Performance and energy-saving effect are slightly better than embodiment one, but no significant difference.
Claims (10)
1. a kind of heat-storing material, it is characterised in that including silicon oxide, ferrous oxide, ferrum oxide and copper oxide.
2. heat-storing material as claimed in claim 1, it is characterised in that in parts by weight, silicon oxide are 26%～28%, oxygen
It is 60%～62% to change ferrous, and ferrum oxide is less than 3%, and copper oxide is 2.0%～2.5%.
3. heat-storing material as claimed in claim 1 or 2, it is characterised in that described silicon oxide and ferrous oxide are with ferrum Fructus Canarii albi
In the form of stone mineral facies, fayalite mineral facies content is 85%～86%；
By mass percentage, in fayalite mineral facies, silicon oxide is 29%～30%, and ferrous oxide is 70%～71%, two
Person's percentage ratio sum is 100%.
4. heat-storing material as claimed in claim 1 or 2, it is characterised in that also including impurity, the content of impurity is 6%～
8%.
5. heat-storing material as claimed in claim 1, it is characterised in that in parts by weight, silicon oxide is 27.84%, oxidation
Ferrous is 60.22%, and ferrum oxide is 1.98%, and copper oxide is 2.24%.
6. heat-storing material as claimed in claim 1, it is characterised in that in parts by weight, silicon oxide is 27.11%, oxidation
Ferrous is 61.89%, and ferrum oxide is 2.37%, aoxidizes copper content 2.26%.
7. the preparation method of the heat-storing material described in claim 1-6 any claim, it is characterised in that be included in Copper making
Make in sulfur smelting technology, add Silicon stone adjustment slag composition, it is ensured that SiO in slag2：FeO=1:(1.9～2.1)；By quality hundred
Divide than meter, in controlling slag, silicon oxide is that 26%～28%, ferrous oxide is less than 3% and oxidation for 60%～62%, ferrum oxide
Copper is 2.0%～2.5%；Slag is cooled to 1000～1050 DEG C, then water extraction is cooled to room temperature；The slag of room temperature is will be cooled to again
Fine grinding sieve classification, is divided into fine powder of the mass fraction of 0～1mm, 1～3mm particulate material and -0.074mm more than 90%.
8. the heat-storing material described in claim 1-6 any claim is used for the application for preparing heat storing and heat preserving brick.
9. it is as claimed in claim 8 to apply, it is characterised in that by heat-storing material size-reduced sieve classification, be divided into 0～1mm, 1
Fine powder of the mass fraction of～3mm particulate material and -0.074mm more than 90%；
Grain size distribution is according to (1～3) mm：(0～1) mm：Fine powder=(55～60) of the mass fraction of -0.074mm more than 90%:
(10～15):The quality of (25～30) is than dispensing, then dispensing is kneaded after molding, in 1150～1200 with agglutinant and bonding agent
DEG C insulation 2h be fired into heat storing and heat preserving brick.
10. as claimed in claim 9 to apply, it is characterised in that described agglutinant is potassium feldspar, the addition of potassium feldspar is accounted for
The mass fraction of dispensing total amount is 3%～5%；Bonding agent is cmc soln that mass concentration is 1.5%；
Dispensing, agglutinant and bonding agent are kneaded into 10～15min, 24h is spontaneously dried after molding, then in 180～190 DEG C of dryings
It is fired after 4h.
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Cited By (5)
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| CN107099275A (en) * | 2017-04-28 | 2017-08-29 | 中南大学 | A kind of preparation method of blast furnace slag base composite phase-change heat accumulating |
| CN107266085A (en) * | 2017-06-09 | 2017-10-20 | 西安建筑科技大学 | A kind of zirconic acid iron barium heat-storing material, preparation method and applications |
| CN109181655A (en) * | 2018-09-29 | 2019-01-11 | 辽宁中镁高温材料有限公司 | The formula and preparation method of a kind of hot enhanced physical properties of iron ore for high temperature heat accumulation |
| CN110591659A (en) * | 2019-08-26 | 2019-12-20 | 北京中冶设备研究设计总院有限公司 | High-thermal-conductivity heat storage and exchange material and preparation method thereof |
| CN113716940A (en) * | 2021-09-03 | 2021-11-30 | 山东柯信新材料有限公司 | Novel heat storage brick and preparation method thereof |
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| CN1688521A (en) * | 2002-09-11 | 2005-10-26 | 爱瑞柯国际公司 | Heat-producing material and device |
| CN1888005A (en) * | 2006-06-27 | 2007-01-03 | 武汉理工大学 | Prepn of heat accumulating for solar energy medium temperature steam electricity generation |
| CN104650820A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Formula of chemical heat storage material for heat transfer |
| CN104650819A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Formula of solid particle blocks for high-temperature heat transfer |
| WO2016050732A1 (en) * | 2014-09-29 | 2016-04-07 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Thermal storage unit |
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| CN107099275A (en) * | 2017-04-28 | 2017-08-29 | 中南大学 | A kind of preparation method of blast furnace slag base composite phase-change heat accumulating |
| CN107099275B (en) * | 2017-04-28 | 2019-10-15 | 中南大学 | A kind of preparation method of blast furnace slag base composite phase-change heat accumulating |
| CN107266085A (en) * | 2017-06-09 | 2017-10-20 | 西安建筑科技大学 | A kind of zirconic acid iron barium heat-storing material, preparation method and applications |
| CN107266085B (en) * | 2017-06-09 | 2020-04-17 | 西安建筑科技大学 | Iron barium zirconate heat storage material, preparation method and application thereof |
| CN109181655A (en) * | 2018-09-29 | 2019-01-11 | 辽宁中镁高温材料有限公司 | The formula and preparation method of a kind of hot enhanced physical properties of iron ore for high temperature heat accumulation |
| CN110591659A (en) * | 2019-08-26 | 2019-12-20 | 北京中冶设备研究设计总院有限公司 | High-thermal-conductivity heat storage and exchange material and preparation method thereof |
| CN113716940A (en) * | 2021-09-03 | 2021-11-30 | 山东柯信新材料有限公司 | Novel heat storage brick and preparation method thereof |
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