CN106007739A - Andalusite-based refractory brick for gas generator - Google Patents

Andalusite-based refractory brick for gas generator Download PDF

Info

Publication number
CN106007739A
CN106007739A CN201610307419.0A CN201610307419A CN106007739A CN 106007739 A CN106007739 A CN 106007739A CN 201610307419 A CN201610307419 A CN 201610307419A CN 106007739 A CN106007739 A CN 106007739A
Authority
CN
China
Prior art keywords
andalusite
powder
refractory brick
gas generator
wood flour
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
CN201610307419.0A
Other languages
Chinese (zh)
Inventor
姚成立
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.)
Zongyang Haili Machinery Manufacturing Co Ltd
Original Assignee
Zongyang Haili Machinery Manufacturing 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 Zongyang Haili Machinery Manufacturing Co Ltd filed Critical Zongyang Haili Machinery Manufacturing Co Ltd
Priority to CN201610307419.0A priority Critical patent/CN106007739A/en
Publication of CN106007739A publication Critical patent/CN106007739A/en
Pending legal-status Critical Current

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
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • C04B35/16—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 silicates other than clay
    • C04B35/18—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 silicates other than clay rich in 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
    • 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
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
    • 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
    • C04B2235/3241—Chromium oxides, chromates, 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
    • C04B2235/34—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
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • 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
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite

Abstract

The invention relates to the field of gas generators, in particular to an andalusite-based refractory brick for a gas generator. The refractory brick is prepared from 35% of andalusite, 20% of bauxite, 20% of clay, 10% of saw dust, 5% of tabular corundum, 2% of silica powder, 2% of aluminum micro powder, 1% of cyanite, 0.5% of calcium aluminate, 2% of an additive and 1.5% of a coagulation accelerator. The preparing process of the refractory brick comprises the following first step of smashing, the second step of mixing, the third step of aging, the fourth step of sintering, the fifth step of heat preserving, the sixth step of forming and the seventh step of curing. The refractory brick is easy to prepare, controllable in cost and good in high-temperature resisting performance; besides, due to the large dosage of andalusite and the inherent characteristics of andalusite, the refractory brick can be higher in heat shock resistance, slag resistance and anti-corrosion resistance compared with traditional refractory bricks.

Description

A kind of gas generator refractory brick based on andalusite
Technical field
The present invention relates to gas generator field, a kind of gas generator refractory brick based on andalusite.
Background technology
Gas generator is the production that coal is converted into imflammable gas coal gas (being mainly composed of CO, H2, CH4 etc.) Equipment, part gas generator uses refractory brick to pile up and forms.Its operation principle is: sieved by the coal meeting gasifying process index After choosing, firing machine join in gas stove, blast self-produced steam with air gas mixture as gasifying agent from furnace bottom.Coal exists Through physics, chemical reaction in stove, generating imflammable gas, gas in upper segment is through cyclone oil remover, electric trapper filtered tar. hypomere Coal gas, through cyclone dust extractor dust out, is transported to user after mixing and uses.
Refractory brick is called for short firebrick.The refractory material being fired into refractory clay or other refractory raw materials.Faint yellow or band brown.Energy The high temperature of resistance to 1580 DEG C 1770 DEG C.Also firebrick it is.There is the refractory material of definite shape and size.By process of preparing Division can be divided into burnt brick, unburned brick, fused cast refractories (molten-cast brick), refratory insulating brick；Standard type can be divided into by shape and size Brick, common brick, special shaped brick etc..Can be used as building kiln and the high temperature construction material of various Thermal Equipment and structural material, and At high temperature it is amenable to various physicochemical change and mechanism.Such as chamotte brick, high-alumina brick, silica brick, magnesia brick etc..
Andalusite (Andalusite) is a kind of aluminium silicate mineral, and it is manufacture refractory material and porcelain in spark plug former Material.Industrial utilize andalusite, mainly take its resistant to elevated temperatures characteristic.After andalusite is heated to 1350 DEG C at ambient pressure, open Begin to change into the acicular mullite parallel with mother crystal.Mullite crystal is the form that aluminosilicate is the most stable under high temperature action, Its theoretical yield is 87.64%.
Andalusite, during thermal conversion becomes mullite, can form good mullite network, volumetric expansion about 4%.This A kind of irreversible crystal transformation, Once transformed, then there is higher fire resistance, refractoriness up to more than 1800 DEG C, and Resistance to suddenly cold and hot, mechanical strength is big, and heat shock resistance power is strong, and resistance to slag is strong, and loading inversion point is high, and it is steady to have high chemistry Qualitative (not even being dissolved in Fluohydric acid .) and extremely strong resistance to chemical corrosion.
Summary of the invention
For the problems of the prior art, present invention is primarily targeted at, promote the fire resistant quality of existing refractory brick, improve resistance to Firebrick service life, so that refractory brick has more the value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.The one proposed according to the present invention Gas generator refractory brick based on andalusite, its formula consists of: andalusite 30%-50%, bauxite 20%-35%, clay 15%-25%, wood flour 10%-20%, plate diamond spar 5%-10%, silicon powder 1%-6%, alumina powder 1%-6%, kyanite 1%-5%, Calcium aluminate 0.5%-2%, additive 1%-5%, coagulant 0.5%-2%.
Preferably, its formula consists of: andalusite 35%, bauxite 20%, clay 20%, wood flour 10%, plate diamond spar 5%, Silicon powder 2%, alumina powder 2%, kyanite 1%, calcium aluminate 0.5%, additive 2%, coagulant 1.5%.
Preferably, described additive is Cr2O3, and described coagulant is sodium aluminate.
A kind of gas generator refractory brick based on andalusite of the present invention, its preparation process comprises the following steps:
(1) pulverize: the components in certain proportion in above-mentioned formula is configured, use double-roll crusher above-mentioned formula will to remove andalusite and wood Material outside bits mixes and pulverizes, and then wears into mixed-powder with ball mill and sieves, and mixed-powder fineness is 205 mesh, Wood flour Raymond machine is levigate and sieves, and wood flour fineness is less than 1mm, and andalusite double-roll crusher is individually pulverized and enters ball mill Pulverizing powder also sieves, and andalusite fineness of powder is 86 mesh；
(2) batch mixing: use Secondary mixing, above-mentioned mixed-powder, wood flour and andalusite powder are together placed in blender, Mixing time is 2-3min for the first time, and rotating speed is 80-120r/min, is subsequently adding the water of 10%-12% and is allowed to be mixed into plastic Shape, mixing time is 4-5min for the second time, and rotating speed is 150-210r/min；
(3) ageing mixture: ageing mixture is carried out in ageing mixture storehouse, the ageing mixture time is 10h, and ageing mixture equipment uses reversible moving formula distributing device；
(4) sintering: firing temperature uses 1400-1600 DEG C；
(5) insulation: temperature retention time is 4-6h；
(6) molding: molding uses semi-hard plastic double-stage vacuum extruding machine, and briquetting pressure is 10MPa, a size of 240mm × 115mm × 90mm or 390mm × 190mm × 190mm；
(7) maintenance: at room temperature maintenance 48h.
Preferably, firing temperature uses 1450-1500 DEG C, and optimum temperature is 1500 DEG C.
By technique scheme, the refractory brick of the present invention at least has the advantage that
The refractory brick of the present invention is simple to manufacture, and cost is controlled, and resistance to elevated temperatures is excellent, and making in a large number due to andalusite of the present invention With, and the inherent character of andalusite itself so that the thermal-shock resistance of refractory brick of the present invention, resistance to slag, corrosion resistance relatively pass System refractory brick is the highest.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with tool Body embodiment, is expanded on further the present invention.
Embodiment 1
A kind of gas generator refractory brick based on andalusite of the present invention, its formula consists of: andalusite 35%, aluminum Alumina 20%, clay 20%, wood flour 10%, plate diamond spar 5%, silicon powder 2%, alumina powder 2%, kyanite 1%, aluminic acid Calcium 0.5%, additive 2%, coagulant 1.5%.
Preferably, described additive is Cr2O3, and described coagulant is sodium aluminate.
A kind of gas generator refractory brick based on andalusite of the present invention, its preparation process comprises the following steps:
(1) pulverize: the components in certain proportion in above-mentioned formula is configured, use double-roll crusher above-mentioned formula will to remove andalusite and wood Material outside bits mixes and pulverizes, and then wears into mixed-powder with ball mill and sieves, and mixed-powder fineness is 205 mesh, Wood flour Raymond machine is levigate and sieves, and wood flour fineness is less than 1mm, and andalusite double-roll crusher is individually pulverized and enters ball mill Pulverizing powder also sieves, and andalusite fineness of powder is 86 mesh；
(2) batch mixing: use Secondary mixing, above-mentioned mixed-powder, wood flour and andalusite powder are together placed in blender, Mixing time is 2-3min for the first time, and rotating speed is 80-120r/min, is subsequently adding the water of 10%-12% and is allowed to be mixed into plastic Shape, mixing time is 4-5min for the second time, and rotating speed is 150-210r/min；
(3) ageing mixture: ageing mixture is carried out in ageing mixture storehouse, the ageing mixture time is 10h, and ageing mixture equipment uses reversible moving formula distributing device；
(4) sintering: firing temperature uses 1400-1600 DEG C；
(5) insulation: temperature retention time is 4-6h；
(6) molding: molding uses semi-hard plastic double-stage vacuum extruding machine, and briquetting pressure is 10MPa, a size of 240mm × 115mm × 90mm or 390mm × 190mm × 190mm；
(7) maintenance: at room temperature maintenance 48h.
Preferably, firing temperature uses 1450-1500 DEG C, and optimum temperature is 1500 DEG C.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry, The present invention is not restricted to the described embodiments, the principle that the present invention is simply described of the description in above-mentioned embodiment and description, Without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall Enter in the scope of protection of present invention.Claimed scope is defined by appending claims and equivalent thereof.

Claims (5)

1. a gas generator refractory brick based on andalusite, it is characterised in that: its formula consists of: andalusite 30%-50%, Bauxite 20%-35%, clay 15%-25%, wood flour 10%-20%, plate diamond spar 5%-10%, silicon powder 1%-6%, aluminium oxide are micro- Powder 1%-6%, kyanite 1%-5%, calcium aluminate 0.5%-2%, additive 1%-5%, coagulant 0.5%-2%.
A kind of gas generator refractory brick based on andalusite the most according to claim 1, it is characterised in that: its formula Consist of: andalusite 35%, bauxite 20%, clay 20%, wood flour 10%, plate diamond spar 5%, silicon powder 2%, aluminium oxide are micro- Powder 2%, kyanite 1%, calcium aluminate 0.5%, additive 2%, coagulant 1.5%.
A kind of gas generator refractory brick based on andalusite the most according to claim 1, it is characterised in that: described Additive is Cr2O3, and described coagulant is sodium aluminate.
A kind of gas generator refractory brick based on andalusite the most according to claim 1 and 2, it is characterised in that: system Standby process comprises the following steps:
(1) pulverize: the components in certain proportion in above-mentioned formula is configured, use double-roll crusher above-mentioned formula will to remove andalusite and wood Material outside bits mixes and pulverizes, and then wears into mixed-powder with ball mill and sieves, and mixed-powder fineness is 205 mesh, Wood flour Raymond machine is levigate and sieves, and wood flour fineness is less than 1mm, and andalusite double-roll crusher is individually pulverized and enters ball mill Pulverizing powder also sieves, and andalusite fineness of powder is 86 mesh；
(2) batch mixing: use Secondary mixing, above-mentioned mixed-powder, wood flour and andalusite powder are together placed in blender, Mixing time is 2-3min for the first time, and rotating speed is 80-120r/min, is subsequently adding the water of 10%-12% and is allowed to be mixed into plastic Shape, mixing time is 4-5min for the second time, and rotating speed is 150-210r/min；
(3) ageing mixture: ageing mixture is carried out in ageing mixture storehouse, the ageing mixture time is 10h, and ageing mixture equipment uses reversible moving formula distributing device；
(4) sintering: firing temperature uses 1400-1600 DEG C；
(5) insulation: temperature retention time is 4-6h；
(6) molding: molding uses semi-hard plastic double-stage vacuum extruding machine, and briquetting pressure is 10MPa, a size of 240mm × 115mm × 90mm or 390mm × 190mm × 190mm；
(7) maintenance: at room temperature maintenance 48h.
A kind of gas generator refractory brick based on andalusite the most according to claim 4, it is characterised in that: burn till temperature Degree uses 1450-1500 DEG C, and optimum temperature is 1500 DEG C.
CN201610307419.0A 2016-05-11 2016-05-11 Andalusite-based refractory brick for gas generator Pending CN106007739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610307419.0A CN106007739A (en) 2016-05-11 2016-05-11 Andalusite-based refractory brick for gas generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610307419.0A CN106007739A (en) 2016-05-11 2016-05-11 Andalusite-based refractory brick for gas generator

Publications (1)

Publication Number Publication Date
CN106007739A true CN106007739A (en) 2016-10-12

Family

ID=57100397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610307419.0A Pending CN106007739A (en) 2016-05-11 2016-05-11 Andalusite-based refractory brick for gas generator

Country Status (1)

Country Link
CN (1) CN106007739A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101045635A (en) * 2007-03-22 2007-10-03 武汉科技大学 Ceramic Al203SiC refractory and preparation method thereof
CN104446568A (en) * 2014-12-15 2015-03-25 山东鲁阳股份有限公司 Fireproof insulating brick and preparation method thereof
CN105367096A (en) * 2015-11-25 2016-03-02 南京联合荣大工程材料有限责任公司 Refractory raw material and blast furnace press-in material containing same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101045635A (en) * 2007-03-22 2007-10-03 武汉科技大学 Ceramic Al203SiC refractory and preparation method thereof
CN104446568A (en) * 2014-12-15 2015-03-25 山东鲁阳股份有限公司 Fireproof insulating brick and preparation method thereof
CN105367096A (en) * 2015-11-25 2016-03-02 南京联合荣大工程材料有限责任公司 Refractory raw material and blast furnace press-in material containing same

Similar Documents

Publication Publication Date Title
CN102976641A (en) Micro-expansive moderate-heat Portland cement and production method thereof
CN102432304B (en) Iolite-mullite-andalusite thermal-shock-resistant brick and preparation method thereof
CN103601525B (en) Based on the mullite light heat-insulation brick and preparation method thereof of high-voltage electric porcelain waste material
CN104555982B (en) A kind of can-type calcine furnace for high sulfur petroleum coke calcining
CN104876597A (en) Nano-matrix-combined high-performance fused magnesium calcium brick and manufacturing method thereof
CN104725058A (en) Periclase-pleonaste and hercynite/forsterite composite brick
CN102976644A (en) Moderate-heat silicate cement clinker and production method thereof
CN106588059A (en) Prefabricated member for lime rotary kiln and preparation method of prefabricated member
CN103964866A (en) Method for preparing lightweight mullite refractory by high-alumina fly ash
CN106242593A (en) Low creep andalusite composite refractory brick and its preparation method and application
CN104944979A (en) Preparation method of firebrick used for rotary kiln
CN103553578A (en) Air brick fired at low temperature by using gel and preparation process thereof
CN102976642A (en) Special silicate cement for nuclear power and production method thereof
CN106187241A (en) Low creep high RUL refractory brick and its preparation method and application
CN111302769A (en) Low-aluminum-magnesium composite unburned brick and preparation method thereof
CN107324821B (en) Silicon carbide wear-resistant castable with high absorption rate and high heat conductivity for CFB boiler water wall
CN105859265A (en) Tabular corundum-based refractory brick for gas producer
CN105036167A (en) Calcium hexaluminate and preparation method thereof
CN106007691A (en) Kyanite-based refractory bricks for gas generator
CN106007740A (en) Refractory bricks for gas generator on basis of calcium aluminum oxide
CN106007682A (en) Bauxite-based refractory bricks for gas generator
CN106007739A (en) Andalusite-based refractory brick for gas generator
CN105859271A (en) Muscovite-based refractory brick for gas producer
CN105967704A (en) Graphite-based refractory brick for coal gas producer
CN107556009B (en) Refractory 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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161012

WD01 Invention patent application deemed withdrawn after publication