CN106242593A - Low creep andalusite composite refractory brick and its preparation method and application - Google Patents

Low creep andalusite composite refractory brick and its preparation method and application Download PDF

Info

Publication number
CN106242593A
CN106242593A CN201610577584.8A CN201610577584A CN106242593A CN 106242593 A CN106242593 A CN 106242593A CN 201610577584 A CN201610577584 A CN 201610577584A CN 106242593 A CN106242593 A CN 106242593A
Authority
CN
China
Prior art keywords
andalusite
refractory brick
mullite
low creep
composite refractory
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
Application number
CN201610577584.8A
Other languages
Chinese (zh)
Inventor
贺延奎
王法河
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiyuan Jinfeng Refractory Material Co Ltd
Original Assignee
Jiyuan Jinfeng Refractory Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiyuan Jinfeng Refractory Material Co Ltd filed Critical Jiyuan Jinfeng Refractory Material Co Ltd
Priority to CN201610577584.8A priority Critical patent/CN106242593A/en
Publication of CN106242593A publication Critical patent/CN106242593A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16Shaped 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 silicates other than clay
    • C04B35/18Shaped 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 silicates other than clay rich in aluminium oxide
    • C04B35/185Mullite 3Al2O3-2SiO2
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite

Abstract

The present invention provides a kind of low creep andalusite composite refractory brick, including major ingredient and additive, described major ingredient includes the raw material of following mass percent: bauxite bulky grain 6%~12%, mullite bulky grain 14%~27%, the little granule of andalusite 14%~27%, the little granule of mullite 14%~30%, andalusite fine powder 15%~27%, Kaolin micropowder 5%~14%, mullite miropowder 5%~10%, silicon powder 2%~5%;The quality of described additive is the 4.5%~5.5% of described major ingredient quality.The present invention also provides for the preparation method and application of a kind of above-mentioned low creep andalusite composite refractory brick.The collocation of described low creep andalusite composite refractory brick composition rationally and has good thermal shock resistance, preferable heat stability and higher refractoriness under load, thus improves the carbon baking furnace service life applying described low creep andalusite composite fire brick masonry flue wall.

Description

Low creep andalusite composite refractory brick and its preparation method and application
Technical field
The invention belongs to technical field of refractory materials, specifically, relate to a kind of low creep andalusite composite refractory brick And its preparation method and application.
Background technology
In modern carbon element industry, producing anode block with roaster the most universal, the main of carbon baking furnace is appointed Business is roasting electrolytic aluminum anode carbon block.The baking furnace flame path wall of prior art is built by laying bricks or stones by clay brick and is formed, and fuel is in quirk Burn, and transferred heat to the anode block closing in hopper by top load andalusite composite fire brick, sun The roasting in the atmosphere not contacting flame of pole carbon block.So, refractory material in anode-baking furnace except to stand long-term height Outside temperature, high pressure, still suffering from periodic variations in temperature, therefore, the requirement to refractory material is that high temperature creep rate is low, and loading is soft Change temperature thermal shock resistance high, reasonable.
And on the market that China is current, although Refractory material for carbon furnace produces the most universal, but, no matter Be fireclay refractory or high alumina refractories or general creep refractory material all to there is load softening point the highest, hot The shortcomings such as shake poor stability, long-time use creep rate are big, can cause the appearance deformation that flue wall is too early, damage, anode block Production is greatly affected.
In order to solve with present on problem, people are seeking a kind of preferably technical solution always.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, thus provide a kind of and there is higher thermal shock resistance, higher Refractoriness under load and the low creep andalusite composite refractory brick of preferable heat stability.
To achieve these goals, the technical solution adopted in the present invention is: a kind of low creep andalusite composite refractory brick, Including major ingredient and additive, described major ingredient includes the raw material of following mass percent: bauxite bulky grain 6%~12%, not Come stone bulky grain 14%~27%, the little granule of andalusite 14%~27%, the little granule of mullite 14%~30%, andalusite fine powder 15%~ 27%, Kaolin micropowder 5%~14%, mullite miropowder 5%~10%, silicon powder 2%~5%;The quality of described additive is described master The 4.5%~5.5% of material quality.
Based on above-mentioned, described major ingredient includes the raw material of following mass percent: bauxite bulky grain 10%, mullite The little granule of bulky grain 21%, andalusite 14%, the little granule of mullite 14%, andalusite fine powder 26%, Kaolin micropowder 8%, mullite are micro- Powder 5%, silicon powder 2%.
Based on above-mentioned, the oarse-grained granularity of described bauxite is 1 mm~3 mm;The oarse-grained grain of described mullite Degree is 1 mm~3 mm.
Based on above-mentioned, the short grained granularity of described mullite is less than 1 mm;The short grained granularity of described andalusite is less than 1 mm。
Based on above-mentioned, the granularity of described andalusite fine powder is less than less than 0.074 mm, the granularity of described Kaolin micropowder 0.043 mm, the granularity of described mullite miropowder are less than 0.043 mm, the granularity of described silicon powder is less than 2 microns.
Based on above-mentioned, described additive is pulp-water.
Wherein, described major ingredient includes aggregate and fines, and described low creep andalusite composite refractory brick is with the aluminum vitriol in raw material Soil grog bulky grain, mullite bulky grain, the little granule of andalusite, the little granule of mullite are aggregate, with andalusite fine powder, Kaolin Micropowder, mullite miropowder, silicon powder are fines, are mixed by described additive.
The present invention also provides for the preparation method of a kind of described low creep andalusite composite refractory brick, comprises the following steps:
(1) calculate according to above-mentioned mass percent, by bauxite bulky grain, mullite bulky grain, the little granule of andalusite, not Carry out the little granule of stone and additive carries out mixed grind and prepares prefabricated pug;Then in described prefabricated pug, add andalusite fine powder, height Ridge soil micropowder, mullite miropowder and silicon powder also carry out mixed grind and prepare mixed grind pug;
(2) described mixed grind pug is pressed into adobe, prepares described low creep andalusite after the calcining of described adobe drying and be combined Refractory brick.
Based on above-mentioned, described step (2) including: described mixed grind pug is pressed into adobe, by described adobe in temperature is 24 hours~36 hours it are dried under the conditions of 60 DEG C~130 DEG C;Then by dried described adobe at 1450 DEG C~1480 Carry out at a temperature of DEG C calcining 10 hours~24 hours, thus prepare described low creep andalusite composite refractory brick.
The present invention also provides for the application of a kind of above-mentioned low creep andalusite composite refractory brick, and described low creep andalusite is combined Refractory brick is applied in carbon baking furnace.
In low creep andalusite composite refractory brick raw material provided by the present invention, the performance effect of each composition is as follows:
Andalusite: crystal belongs to the nesosilicate mineral of orthogonal (tiltedly side) crystallographic system, andalusite meeting in adobe calcination process Occur irreversible crystal transformation to form the mullite with good mullite network, thus make it have more than 1800 DEG C Fire resistance, and resistance to suddenly cold and hot, mechanical strength are big, heat shock resistance power and resistance to slag is strong, loading inversion point is high, and have high Chemical stability and extremely strong resistance to chemical corrosion so that preparation described low creep andalusite composite refractory brick have High RUL, low creep, high thermal shock stability.
Kaolin: Kaolin belongs to 1:1 type phyllosilicate, crystal is mainly by silicon-oxy tetrahedron and aluminum hydrogen-oxygen octahedron group Become, there is strong acid resistance and the flashback performance more than 1700 DEG C thus add described low creep andalusite composite refractory brick Anti-calcining, Kaolin be combined with water formed pug there is higher plasticity so that the described adobe of preparation has relatively Good mouldability.
Bauxite: referring to bauxite mineral material after calcining, it is mainly composed of diaspore and high alumina silicon Stone, has higher flashback performance, is commonly used to prepare various high-alumina brick, is that metallurgical industry is widely used fire-resistant with other industry Or anti-corrosion material.
Mullite: be a series of aluminosilicate composition mineral be referred to as, have high temperature resistant, intensity high thermal conductivity coefficient is little, joint The features such as energy effect is notable, it is adaptable to oil splits Jie's stove, metallurgical air stove, ceramic roller kiln, tunnel cave, electroceramics shuttle kiln, glass Glass pot furnace and the liner of various electric furnace, can directly contact flame.
Silicon powder: silicon powder is through broken, ball milling, flotation, pickling purification, high purity water by natural quartz or vitreous silica The micropowder of the multiple tracks processes such as reason;It it is a kind of Inorganic Non-metallic Materials nontoxic, tasteless, free of contamination.It has heatproof Property the excellent performances such as good, acid-alkali-corrosive-resisting, poor thermal conductivity, high insulation, low bulk, stable chemical performance, hardness is big.Silicon powder Being difficult to and other substance reactions, with major part acid, alkali not chemically reactive grain composition rationally, it is heavy to reduce and eliminate during use Shallow lake, lamination;The tension of solidfied material, comprcssive strength can be made to strengthen, and anti-wear performance improves, and can increase the heat conduction system of solidfied material Number, increases fire resistance.Silicon powder can fill the hole between low creep andalusite composite refractory brick feed particles, simultaneously and water Change product and generate gelinite, the resistance to compression of low creep andalusite composite refractory brick, anti-folding, impervious, anticorrosion, anti-impact can be significantly improved Hit, anti-wear performance and compactness.And and Al2O3Sending out and should generate mullite phase, the high temperature making low creep andalusite composite refractory brick is strong Degree, thermal shock resistance strengthens.
Hinge structure of the present invention has prominent substantive distinguishing features and significantly progress, and specifically, the present invention will Varigrained bauxite, andalusite, mullite, Kaolin, silicon powder and additive mix so that the brick of preparation The collocation of each site component proportioning of base is consistent, it is ensured that low creep andalusite composite refractory brick each position performance of calcining gained Concordance, simultaneously containing the granularity material that a large amount of corner angle are prominent in raw material, increases critical granularity, is combined resistance to for low creep andalusite Firebrick provides firm framing structure makes it in use be not likely to produce deformation.Meanwhile, be utilized respectively bauxite, Mullite, Kaolin, the resistance to burning characteristic of silicon powder and preferably mouldability and andalusite have heat resistanceheat resistant what calcination process was formed The mullite that impulsive force, resistance to slag are strong, loading inversion point is high so that the low creep andalusite composite refractory brick of preparation has Gao He Creep soft, low, high thermal shock stability, thus improve the carbon applying described low creep andalusite composite fire brick masonry flue wall Calcining service life.And the raw material that the method uses is easy to get, composition collocation is reasonable, preparation process is simple.
Detailed description of the invention
Below by detailed description of the invention, technical scheme is described in further detail.
Embodiment 1
The present embodiment provides a kind of low creep andalusite composite refractory brick, and it includes aggregate, fines and pulp-water, wherein, described The quality of pulp-water is described aggregate and the 4.5% of described fines gross mass;Described aggregate and described fines include following quality hundred The raw material of mark: bauxite bulky grain 10%, mullite bulky grain 21%, the little granule of andalusite 14%, the little granule of mullite 14%, andalusite fine powder 26%, Kaolin micropowder 8%, mullite miropowder 5%, silicon powder 2%.
Wherein, the oarse-grained granularity of described bauxite is 1 mm~3 mm, the oarse-grained granularity of described mullite are 1 Mm~3 mm, the short grained granularity of described mullite less than 1 mm, the short grained granularity of described andalusite less than 1 mm, described red The granularity of pillar fine powder less than 0.074 mm, described Kaolin micropowder granularity less than 0.043 mm, described mullite miropowder The granularity granularity less than 0.043 mm, described silicon powder is less than 2 microns.Chemical composition in each raw material is as shown in table 1.
Table 1, each raw material main chemical compositions
Raw material Al2O3 Fe2O3 K2O+NaO Loss on ignition SiO2
The little granule of andalusite, fine powder 55%~58% ≤1.1% ≤1.0% -- --
Bauxite bulky grain ≥80% ≤1.5% ≤0.6% -- --
Kaolin micropowder 32%~36% ≤1.0% ≤1.0% 11%~13% --
Mullite bulky grain, little granule, micropowder 67%~72% ≤1.0% ≤0.4% -- --
Silicon powder -- -- -- -- ≥92%
The present embodiment also provides for the preparation method of a kind of described low creep andalusite composite refractory brick, and concrete preparation process includes:
Carry out andalusite, bauxite, Kaolin and mullite respectively pulverizing the raw material preparing above-mentioned granularity.
By institute's bauxite bulky grain of above-mentioned mass percent, described mullite bulky grain, little of described andalusite Grain, the little granule of described mullite and described pulp-water carry out mixed grind 3 minutes~5 minutes and prepare prefabricated pug;Then to described pre- Pug processed adds described andalusite fine powder, described Kaolin micropowder, described mullite miropowder and described silicon powder and mixes Grind 10 minutes~20 minutes, prepare mixed grind pug.
The pressure tonnage brickmaking machine more than 315 tons is used described mixed grind pug to be pressed into adobe, then by described adobe Putting into and be dried in tunnel type drying hole 24 hours, the inlet temperature wherein controlling described tunnel type drying hole is 60 DEG C, goes out Mouth temperature is 130 DEG C;It is little by dried described adobe loading fuel gas tunnel kiln carries out calcining 10 at a temperature of 1480 DEG C Time, thus prepare described low creep andalusite composite refractory brick.After testing, the described low creep andalusite that the present embodiment prepares is multiple Closing refractory brick density is 2.43 g/cm3
Low creep andalusite composite refractory brick prepared by the preparation method provided by the present embodiment, can be applicable to build carbon element by laying bricks or stones Baking furnace flame path wall.
Embodiment 2
The present embodiment provides a kind of low creep andalusite composite refractory brick, and concrete material composition is roughly the same with embodiment 1, different Part be, in the present embodiment, the quality of described pulp-water is described aggregate and the 5% of described fines gross mass, described aggregate and Described fines includes the raw material of following mass percent: bauxite bulky grain 12%, mullite bulky grain 19%, andalusite are little The little granule of granule 15%, mullite 14%, andalusite fine powder 25%, Kaolin micropowder 5%, mullite miropowder 7%, silicon powder 3%.
The preparation method of the low creep andalusite composite refractory brick described in the present embodiment is big with the preparation method in embodiment 1 Causing identical, difference is: described mixed grind pug is pressed into adobe, then described adobe is put in tunnel type drying hole Be dried 36 hours, wherein control the inlet temperature of described tunnel type drying hole be 60 DEG C, outlet temperature be 130 DEG C;Will be dry Described adobe loading fuel gas tunnel kiln after dry carries out calcining 12 hours at a temperature of 1470 DEG C;Thus prepare described burnt precious Stone is combined low creep andalusite composite refractory brick.After testing, the described low creep andalusite composite refractory brick that the present embodiment prepares Density is 2.39 g/cm3
Low creep andalusite composite refractory brick prepared by the preparation method provided by the present embodiment, can be applicable to build carbon element by laying bricks or stones Baking furnace flame path wall.
Embodiment 3
The present embodiment provides a kind of low creep andalusite composite refractory brick, and concrete material composition is roughly the same with embodiment 1, different Part is, in the present embodiment, the quality of described pulp-water is described aggregate and the 5.5% of described fines gross mass, described aggregate With the raw material that described fines includes following mass percent: bauxite bulky grain 6%, mullite bulky grain 25%, andalusite Little granule 14%, the little granule of mullite 15%, andalusite fine powder 20%, Kaolin micropowder 8%, mullite miropowder 8%, silicon powder 4%.
The preparation method of the low creep andalusite composite refractory brick described in the present embodiment is big with the preparation method in embodiment 1 Causing identical, difference is: described mixed grind pug is pressed into adobe, then described adobe is put in tunnel type drying hole Be dried 25 hours, wherein control the inlet temperature of described tunnel type drying hole be 60 DEG C, outlet temperature be 130 DEG C;Will be dry Described adobe loading fuel gas tunnel kiln after dry carries out calcining 24 hours at a temperature of 1450 DEG C, thus prepares described burnt precious Stone is combined low creep andalusite composite refractory brick.After testing, the described low creep andalusite composite refractory brick that the present embodiment prepares Density is 2.42 g/cm3
Low creep andalusite composite refractory brick prepared by the preparation method provided by the present embodiment, can be applicable to build carbon element by laying bricks or stones Baking furnace flame path wall.
Low creep andalusite composite refractory brick performance detects: be combined the low creep andalusite of embodiment 1~3 preparation respectively Al in refractory brick2O3、Fe2O3Content, apparent porosity, cold crushing strength and 1350 DEG C of high temperature break resistant intensity performances detect, And detect in 0.2Mpa pressure, 1280 DEG C of calcinings creep rate of 25 hours and 50 hours, testing result is as shown in table 2.
Respectively to implementing Al in the 1~3 low creep andalusite composite refractory bricks prepared2O3、Fe2O3Content, bulk density, Apparent porosity, cold crushing strength and 1350 DEG C of high temperature break resistant intensity performances detect, and 0.2Mpa pressure, 1280 DEG C forge The creep rate burnt 25 hours and 50 hours detects;Testing result is as shown in table 2.
Table 2, low creep andalusite composite refractory brick performance detect
As can be seen from the above table: the softening point of the low creep andalusite composite refractory brick that embodiment 1~3 provides is more than 1600 DEG C, cold crushing strength more than 54Mpa, creep rate absolute value less than 0.4%, apparent porosity between 18%~18.5%, heat swollen Swollen rate is less than 0.70%, and the most described low creep andalusite composite refractory brick property indices meets GB/T3994-2013 regulation Index, described low creep andalusite composite refractory brick has the high and low creep of load softening temperature, the performance of highly heatproof and shockproof, energy It is applied to build carbon baking furnace flame path wall by laying bricks or stones and carrys out baked for producing anode block.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit;To the greatest extent The present invention has been described in detail by pipe with reference to preferred embodiment, and those of ordinary skill in the field are it is understood that still The detailed description of the invention of the present invention can be modified or portion of techniques feature is carried out equivalent;Without deviating from this The spirit of bright technical scheme, it all should be contained in the middle of the technical scheme scope that the present invention is claimed.

Claims (9)

1. a low creep andalusite composite refractory brick, including major ingredient and additive, it is characterised in that described major ingredient includes following The raw material of mass percent: bauxite bulky grain 6%~12%, mullite bulky grain 14%~27%, the little granule of andalusite 14% ~27%, the little granule of mullite 14%~30%, andalusite fine powder 15%~27%, Kaolin micropowder 5%~14%, mullite miropowder 5% ~10%, silicon powder 2%~5%;The quality of described additive is the 4.5%~5.5% of described major ingredient quality.
Low creep andalusite composite refractory brick the most according to claim 1, it is characterised in that described major ingredient includes following matter The raw material of amount percent: bauxite bulky grain 10%, mullite bulky grain 21%, the little granule of andalusite 14%, little of mullite Grain 14%, andalusite fine powder 26%, Kaolin micropowder 8%, mullite miropowder 5%, silicon powder 2%.
Low creep andalusite composite refractory brick the most according to claim 1 and 2, it is characterised in that described bauxite Oarse-grained granularity is 1 mm~3 mm;The oarse-grained granularity of described mullite is 1 mm~3 mm.
Low creep andalusite composite refractory brick the most according to claim 3, it is characterised in that described mullite is short grained Granularity is less than 1 mm;The short grained granularity of described andalusite is less than 1 mm.
Low creep andalusite composite refractory brick the most according to claim 4, it is characterised in that the grain of described andalusite fine powder The degree granularity less than 0.074 mm, described Kaolin micropowder is less than 0.043 mm, the granularity of described mullite miropowder is less than 0.043 Mm, the granularity of described silicon powder are less than 2 microns.
Low creep andalusite composite refractory brick the most according to claim 5, it is characterised in that described additive is paper pulp Water.
7. a preparation method for described low creep andalusite composite refractory brick, comprises the following steps:
(1) raw material of mass percent described in 1~6 any one calculates as requested, by big to bauxite bulky grain, mullite The little granule of granule, andalusite, the little granule of mullite and additive carry out mixed grind and prepare prefabricated pug;Then to described prefabricated pug Middle addition andalusite fine powder, Kaolin micropowder, mullite miropowder and silicon powder also carry out mixed grind and prepare mixed grind pug;
(2) described mixed grind pug is pressed into adobe, prepares described low creep andalusite after the calcining of described adobe drying and be combined Refractory brick.
The preparation method of low creep andalusite composite refractory brick the most according to claim 7, it is characterised in that described step (2) including: described mixed grind pug is pressed into adobe, described adobe is dried under the conditions of temperature is 60 DEG C~130 DEG C 24 hours~36 hours;Then carry out dried described adobe at a temperature of 1450 DEG C~1480 DEG C calcining 10 hours~ 24 hours, thus prepare described low creep andalusite composite refractory brick.
9. the application of the low creep andalusite composite refractory brick described in an any one of claim 1~6, it is characterised in that institute State low creep andalusite composite refractory brick to be applied in carbon baking furnace.
CN201610577584.8A 2016-07-21 2016-07-21 Low creep andalusite composite refractory brick and its preparation method and application Pending CN106242593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610577584.8A CN106242593A (en) 2016-07-21 2016-07-21 Low creep andalusite composite refractory brick and its preparation method and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610577584.8A CN106242593A (en) 2016-07-21 2016-07-21 Low creep andalusite composite refractory brick and its preparation method and application

Publications (1)

Publication Number Publication Date
CN106242593A true CN106242593A (en) 2016-12-21

Family

ID=57613984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610577584.8A Pending CN106242593A (en) 2016-07-21 2016-07-21 Low creep andalusite composite refractory brick and its preparation method and application

Country Status (1)

Country Link
CN (1) CN106242593A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107089835A (en) * 2017-05-03 2017-08-25 河南瑞泰耐火材料科技有限公司 Carbon calciner andalusite mullite composite brick and preparation method thereof
CN110105059A (en) * 2019-05-17 2019-08-09 山东工业职业学院 A kind of highly heatproof and shockproof, low creep hot-blast stove brick and its manufacturing method
CN110229010A (en) * 2019-07-11 2019-09-13 武汉重远炉窑工程技术服务有限公司 A kind of zirconium matter soldering material and its application method
CN111718200A (en) * 2020-05-29 2020-09-29 郑州安耐克实业有限公司 Bottom creep clay brick for hot blast stove and preparation method thereof
CN113800928A (en) * 2021-10-12 2021-12-17 宜兴市丁山耐火器材有限公司 Low-porosity high-strength clay refractory material and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102659419A (en) * 2012-03-13 2012-09-12 任健均 High-temperature material used in carbon baking furnace
CN105418098A (en) * 2015-12-16 2016-03-23 董建军 Heat-conductive and energy-saving refractory brick used for fire path wall in carbon roasting furnace and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102659419A (en) * 2012-03-13 2012-09-12 任健均 High-temperature material used in carbon baking furnace
CN105418098A (en) * 2015-12-16 2016-03-23 董建军 Heat-conductive and energy-saving refractory brick used for fire path wall in carbon roasting furnace and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中国有色金属工业协会: "《中国锆、铪》", 30 April 2014, 冶金工业出版社 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107089835A (en) * 2017-05-03 2017-08-25 河南瑞泰耐火材料科技有限公司 Carbon calciner andalusite mullite composite brick and preparation method thereof
CN110105059A (en) * 2019-05-17 2019-08-09 山东工业职业学院 A kind of highly heatproof and shockproof, low creep hot-blast stove brick and its manufacturing method
CN110105059B (en) * 2019-05-17 2021-10-29 山东工业职业学院 Brick for hot blast stove with high thermal shock resistance and low creep deformation and manufacturing method thereof
CN110229010A (en) * 2019-07-11 2019-09-13 武汉重远炉窑工程技术服务有限公司 A kind of zirconium matter soldering material and its application method
CN111718200A (en) * 2020-05-29 2020-09-29 郑州安耐克实业有限公司 Bottom creep clay brick for hot blast stove and preparation method thereof
CN113800928A (en) * 2021-10-12 2021-12-17 宜兴市丁山耐火器材有限公司 Low-porosity high-strength clay refractory material and preparation method thereof
CN113800928B (en) * 2021-10-12 2022-08-02 宜兴市丁山耐火器材有限公司 Low-porosity high-strength clay refractory material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN106187238A (en) Bauxite composite refractory brick and its preparation method and application
CN106242593A (en) Low creep andalusite composite refractory brick and its preparation method and application
CN106187239A (en) Low creep flint clay composite refractory brick and its preparation method and application
CN106278299A (en) Andalusite composite refractory brick and its preparation method and application
CN106187240A (en) Low-creep refractory brick and its preparation method and application
CN106187241A (en) Low creep high RUL refractory brick and its preparation method and application
CN106187236A (en) Flint clay composite refractory brick and its preparation method and application
CN107573098B (en) light castable for sintering ignition furnace
CN102815951A (en) Flame-resistant corrosion-resistant coating
CN108341677A (en) A kind of high-strength refractory brick and preparation method thereof
CN104555982A (en) Method for calcining high sulfur petroleum coke and special pot calciner and pot wall tile
CN109553428A (en) Ceramic fibre castable refractory and preparation method thereof
CN106242542A (en) Mullite composite refractory brick and its preparation method and application
CN104876605A (en) Refractory brick for boiler
CN105523769A (en) Low-heat-conductivity magnesia-hercynite brick used for cement rotary kiln and production method thereof
CN108083765A (en) Low heat conduction anti-strip brick and preparation method thereof
CN107056261A (en) A kind of castable refractory
CN106278202A (en) Light fire brick and preparation method thereof
CN101811882A (en) Composite bauxite-silicon nitride wear-resistant brick for large cement kiln and production method thereof
CN106220155A (en) High RUL andalusite composite refractory brick and its preparation method and application
CN107954747A (en) Corrosion-proof fire-resistant brick and preparation method thereof
CN103833396B (en) High-strength high-alumina brick prepared from homogenized alumina for calcium carbide furnace and preparation method thereof
CN108530042A (en) A kind of firing highly heatproof and shockproof bauxite brick and its production technology
CN106518114B (en) The manufacture craft of ultralow-porosity, low thermal expansion fireclay refractory
CN107867868A (en) A kind of super fine and close high heat conduction silica brick and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161221