CN107344861A - A kind of kiln inwall high-temperature refractory and preparation method thereof - Google Patents
A kind of kiln inwall high-temperature refractory and preparation method thereof Download PDFInfo
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- CN107344861A CN107344861A CN201710588504.3A CN201710588504A CN107344861A CN 107344861 A CN107344861 A CN 107344861A CN 201710588504 A CN201710588504 A CN 201710588504A CN 107344861 A CN107344861 A CN 107344861A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/106—Refractories from grain sized mixtures containing zirconium oxide or zircon (ZrSiO4)
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6316—Binders based on silicon compounds
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63472—Condensation polymers of aldehydes or ketones
- C04B35/63476—Phenol-formaldehyde condensation polymers
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- 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
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- 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
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- Chemical Kinetics & Catalysis (AREA)
- Ceramic Products (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a kind of kiln inwall high-temperature refractory, including following raw material：20 40 parts of high aluminium material, 12 25 parts of superfine kaolin, 5 12 parts of binding agent, 28 parts of additive, 10 15 parts of corundum fine powder, 8 15 parts of zircon sand, 5 15 parts of zirconium dioxide, 5 15 parts of chromium dioxide.Wherein high aluminium material is superfine or one-level aluminium vanadine, including thick, fine aggregate and fine powder and superfine powder.Present invention also offers a kind of method for preparing above-mentioned high-temperature refractory.The high-temperature refractory that raw material proportioning and preparation method according to the present invention are prepared is applied on kiln inwall, through experimental tests, it has good stability at high temperature, and refractoriness has reached more than 1700 DEG C, has been even up to 2000 DEG C of demands for fully meeting present market.
Description
Technical field
The present invention relates to high-temperature refractory technical field, and in particular to a kind of kiln inwall high-temperature refractory and its
Preparation method.
Background technology
Kiln is the equipment to burnt product being built into refractory material, is the indispensable facility in pottery art shaping.Kiln
Inwall is typically using insulation, heat-insulated, high-temperature flame-proof material.With Ceramic Market need constantly increase, it is desirable to quality also get over
Come higher, this just needs to need in fired ceramic than the higher firing temperature of tradition, and then to the high temperature of kiln inwall
Refractory material proposed with high requirement, as the technological requirement institute of some products wants that using refractory material more than 1700 DEG C can be born
High temperature.The high temeperature chemistry erosion-resisting characteristics of kiln inwall refractory material directly affects the life-span of refractory material and the work of kiln
Life-span.Refractory material and castable refractory in the market is typically no more than 1600-1700 DEG C, and otherwise castable refractory is
It can damage.In this case, common refractory can not just meet to require, it is impossible to use, be badly in need of a kind of 1700 DEG C of ability of exploitation
The refractory material of high temperature above.
The content of the invention
In view of the above-mentioned analysis to prior art, high the technical problem to be solved in the present invention is to provide a kind of kiln inwall
Warm refractory material and preparation method thereof, it is desirable to which the high-temperature refractory can bear more than 1700 DEG C of high temperature, high-temperature stability
It is better, to meet the market demand.
In view of above-mentioned technical problems to be solved, the present invention provides following technical solution：
A kind of kiln inwall high-temperature refractory, including following raw material：High aluminium material 20-40 parts, superfine kaolin 12-
25 parts, binding agent 5-12 parts, additive 2-8 parts, corundum fine powder 10-15 parts, zircon sand 8-15 parts, zirconium dioxide 5-15 parts, two
Chromium oxide 5-15 parts.
Preferably, the high aluminium material is superfine or one-level aluminium vanadine, including thick, fine aggregate and fine powder and superfine powder, its
Middle coarse aggregate accounts for 5%-10%, and middle aggregate accounts for 10% -20%, and fine aggregate accounts for 25% -50%, and fine powder accounts for 10% -40%, and superfine powder accounts for
10%—20%。
It is further preferred that the production process of the high aluminium material is：
（1）By bauxite chamotte, through crusher in crushing, required carse, medium and small aggregate and fine powder are screened into；
（2）The fine powder of above-mentioned acquisition is worn into the superfine powder of required fineness through roller mill；
（3）Coarse aggregate, middle aggregate, fine aggregate, fine powder and the superfine powder that above-mentioned steps are obtained, according to the weight than mixed
Close, that is, obtain required high aluminium material.
Preferably, the binding agent is the mixture of powdery waterglass and powdered phenol-formaldehyde resin.
It is further preferred that the powdery waterglass accounts for the 40-85% of binding agent gross weight, the powdered phenol-formaldehyde resin accounts for
The 15-60% of binding agent gross weight.
Preferably, the additive is yellow starch gum, sodium carboxymethylcellulose CMC, Quadrafos, lignosulfonates and gathered
At least three kinds of mixture in carbonic ester PC.
Present invention also offers a kind of method for preparing above-mentioned kiln inwall high-temperature refractory, comprise the following steps：
（1）Each raw material is weighed by the weight proportion；
（2）The zircon sand and corundum fine powder are put into acid solution and soaked 24 hours, then is cleaned, dried with water；
（3）By the zircon sand after above-mentioned processing and corundum fine powder and high aluminium material, superfine kaolin, binding agent, additive, titanium dioxide
Zirconium, chromium dioxide are mixed, stirred, that is, obtain required kiln inwall high-temperature refractory.
Preferably, the step（2）In acid solution be hydrochloric acid solution that mass concentration is 48%.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The high-temperature refractory of the present invention has low high refractoriness, adhesion strength height, Linear change rate, volume stability, resistant to corrosion
And workability it is good the advantages that, refractoriness can meet the market demand completely up to more than 1700 DEG C；
（2）The mature production technology for preparing the high-temperature refractory of the present invention, production cost is low, application easy to spread, tool
There is preferable economic and social benefit；
（3）Alundum (Al2O3) content in the high-temperature refractory of the present invention improves, and adds zircon sand so that uses this hair
The anticorrosion antiwear performance for the kiln inwall that bright high-temperature refractory pours improves, and protects body of heater, extends body of heater service life.
Embodiment
In order that objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further detailed
Explanation.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1
Present embodiments provide a kind of kiln inwall high-temperature refractory, including following raw material：20 parts of high aluminium material, spy
12 parts of kaolin of level, 5 parts of binding agent, yellow starch gum and 2 parts of mixture, the corundum of sodium carboxymethylcellulose CMC and Quadrafos
10 parts of fine powder, 8 parts of zircon sand, 5 parts of zirconium dioxide, 5 parts of chromium dioxide.Binding agent is powdery waterglass and powdered phenol-formaldehyde resin
Mixture, wherein powdery waterglass account for the 40% of binding agent gross weight, and powdered phenol-formaldehyde resin accounts for the 60% of binding agent gross weight.
Wherein described high aluminium material is superfine or one-level aluminium vanadine, including thick, fine aggregate and fine powder and superfine powder, wherein slightly
Aggregate accounts for 5%, and middle aggregate accounts for 20%, and fine aggregate accounts for 25%, and fine powder accounts for 10%, and superfine powder accounts for 40%.
The production process of above-mentioned high aluminium material is：
（1）By bauxite chamotte, through crusher in crushing, required carse, medium and small aggregate and fine powder are screened into；
（2）The fine powder of above-mentioned acquisition is worn into the superfine powder of required fineness through roller mill；
（3）Coarse aggregate, middle aggregate, fine aggregate, fine powder and the superfine powder that above-mentioned steps are obtained, according to the weight than mixed
Close, that is, obtain required high aluminium material.
The present embodiment additionally provides a kind of method for preparing above-mentioned kiln inwall high-temperature refractory, including following step
Suddenly：
（1）Each raw material is weighed by the weight proportion；
（2）The zircon sand and corundum fine powder are put into the hydrochloric acid solution that concentration is 48% and soaked 24 hours, then cleaned with water,
Drying；
（3）By the zircon sand after above-mentioned processing and corundum fine powder and high aluminium material, superfine kaolin, binding agent, yellow starch gum and carboxylic first
The mixture of base sodium cellulosate CMC and Quadrafos, zirconium dioxide, chromium dioxide are mixed, stirred, that is, obtain required kiln
Stove inwall high-temperature refractory.
Embodiment 2
Present embodiments provide a kind of kiln inwall high-temperature refractory, including following raw material：High aluminium material 20-40
Part, 25 parts of superfine kaolin, 12 parts of binding agent, sodium carboxymethylcellulose CMC and Quadrafos and lignosulfonates it is mixed
8 parts of compound, 15 parts of corundum fine powder, 15 parts of zircon sand, 15 parts of zirconium dioxide, 15 parts of chromium dioxide.Binding agent is powdery waterglass
With the mixture of powdered phenol-formaldehyde resin, wherein powdery waterglass accounts for the 85% of binding agent gross weight, and powdered phenol-formaldehyde resin accounts for binding agent
The 15% of gross weight.
Wherein described high aluminium material is superfine or one-level aluminium vanadine, including thick, fine aggregate and fine powder and superfine powder, wherein slightly
Aggregate accounts for 10%, and middle aggregate accounts for 20%, and fine aggregate accounts for 50%, and fine powder accounts for 10%, and superfine powder accounts for 10%.
The production process of above-mentioned high aluminium material is：
（1）By bauxite chamotte, through crusher in crushing, required carse, medium and small aggregate and fine powder are screened into；
（2）The fine powder of above-mentioned acquisition is worn into the superfine powder of required fineness through roller mill；
（3）Coarse aggregate, middle aggregate, fine aggregate, fine powder and the superfine powder that above-mentioned steps are obtained, according to the weight than mixed
Close, that is, obtain required high aluminium material.
The present embodiment additionally provides a kind of method for preparing above-mentioned kiln inwall high-temperature refractory, including following step
Suddenly：
（1）Each raw material is weighed by the weight proportion；
（2）The zircon sand and corundum fine powder are put into the hydrochloric acid solution that concentration is 48% and soaked 24 hours, then cleaned with water,
Drying；
（3）By the zircon sand after above-mentioned processing and corundum fine powder and high aluminium material, superfine kaolin, binding agent, carboxymethyl cellulose
The mixture of sodium CMC and Quadrafos and lignosulfonates, zirconium dioxide, chromium dioxide are mixed, stirred, that is, are obtained
Required kiln inwall high-temperature refractory.
Embodiment 3
Present embodiments provide a kind of kiln inwall high-temperature refractory, including following raw material：30 parts of high aluminium material, spy
20 parts of kaolin of level, 8 parts of binding agent, Quadrafos and 5 parts of mixture, the corundum of lignosulfonates and polycarbonate are thin
13 parts of powder, 10 parts of zircon sand, 10 parts of zirconium dioxide, 10 parts of chromium dioxide.Binding agent is powdery waterglass and powdered phenol-formaldehyde resin
Mixture, wherein powdery waterglass accounts for the 70% of binding agent gross weight, and powdered phenol-formaldehyde resin accounts for the 30% of binding agent gross weight.
Wherein described high aluminium material is superfine or one-level aluminium vanadine, including thick, fine aggregate and fine powder and superfine powder, wherein slightly
Aggregate accounts for 8%, and middle aggregate accounts for 12%, and fine aggregate accounts for 30%, and fine powder accounts for 40%, and superfine powder accounts for 10%.
The production process of above-mentioned high aluminium material is：
（1）By bauxite chamotte, through crusher in crushing, required carse, medium and small aggregate and fine powder are screened into；
（2）The fine powder of above-mentioned acquisition is worn into the superfine powder of required fineness through roller mill；
（3）Coarse aggregate, middle aggregate, fine aggregate, fine powder and the superfine powder that above-mentioned steps are obtained, according to the weight than mixed
Close, that is, obtain required high aluminium material.
The present embodiment additionally provides a kind of method for preparing above-mentioned kiln inwall high-temperature refractory, including following step
Suddenly：
（1）Each raw material is weighed by the weight proportion；
（2）The zircon sand and corundum fine powder are put into the hydrochloric acid solution that concentration is 48% and soaked 24 hours, then cleaned with water,
Drying；
（3）By the zircon sand after above-mentioned processing and corundum fine powder and high aluminium material, superfine kaolin, binding agent, Quadrafos and wood
The mixture of mahogany sulfonate and polycarbonate, zirconium dioxide, chromium dioxide are mixed, stirred, that is, obtain required kiln
Stove inwall high-temperature refractory.
Embodiment 4
Present embodiments provide a kind of kiln inwall high-temperature refractory, including following raw material：35 parts of high aluminium material, spy
15 parts of kaolin of level, 6 parts of binding agent, yellow starch gum and 4 parts of the mixture of lignosulfonates and polycarbonate, corundum fine powder
11 parts, 13 parts of zircon sand, 13 parts of zirconium dioxide, 8 parts of chromium dioxide.Binding agent is the mixed of powdery waterglass and powdered phenol-formaldehyde resin
Compound, wherein powdery waterglass account for the 75% of binding agent gross weight, and powdered phenol-formaldehyde resin accounts for the 25% of binding agent gross weight.
Wherein described high aluminium material is superfine or one-level aluminium vanadine, including thick, fine aggregate and fine powder and superfine powder, wherein slightly
Aggregate accounts for 6%, and middle aggregate accounts for 14%, and fine aggregate accounts for 50%, and fine powder accounts for 12%, and superfine powder accounts for 18%.
The production process of above-mentioned high aluminium material is：
（1）By bauxite chamotte, through crusher in crushing, required carse, medium and small aggregate and fine powder are screened into；
（2）The fine powder of above-mentioned acquisition is worn into the superfine powder of required fineness through roller mill；
（3）Coarse aggregate, middle aggregate, fine aggregate, fine powder and the superfine powder that above-mentioned steps are obtained, according to the weight than mixed
Close, that is, obtain required high aluminium material.
The present embodiment additionally provides a kind of method for preparing above-mentioned kiln inwall high-temperature refractory, including following step
Suddenly：
（1）Each raw material is weighed by the weight proportion；
（2）The zircon sand and corundum fine powder are put into the hydrochloric acid solution that concentration is 48% and soaked 24 hours, then cleaned with water,
Drying；
（3）By the zircon sand after above-mentioned processing and corundum fine powder and high aluminium material, superfine kaolin, binding agent, yellow starch gum and wooden
Mixture, zirconium dioxide, the chromium dioxide of plain sulfonate and polycarbonate are mixed, stirred, that is, obtain required kiln
Inwall high-temperature refractory.
Kiln inwall in above-described embodiment 1 to embodiment 4 can be used in accordance with the following steps with high-temperature refractory：
（1）2-6 part water is added to mix to uniform high-temperature refractory in 100 parts of above-described embodiments；
（2）The material mixed is poured into the jig of kiln, then the unit weight metering company of being finished set on request through bumper
Continuous vibrations to bubble is wholly absent；
（3）Mould is removed after 24 hours, with water moist curing 72 hours, is dried in the shade 72 hours；
（4）After placing 15-27 days, dried 144 hours at 600 DEG C.
The high-temperature refractory that embodiment 1 is prepared into embodiment 4 is produced into kiln inwall according to above-mentioned using step
Model, performance detection is carried out for the model produced in each embodiment, detection project includes：
1st, rupture strength detects：Testing conditions are under 110 DEG C of temperature conditionss, are monitored 24 hours, as a result as follows：
2nd, compression strength detects：Testing conditions are under 110 DEG C of temperature conditionss, are monitored 24 hours, as a result as follows：
3rd, bulk density detects after burning：Testing conditions are under 1550 DEG C of temperature conditionss, are monitored 3 hours, as a result as follows：
4th, refractoriness detects：Testing conditions are used under 2000 DEG C of temperature conditionss, are used 24 hours every time, as a result as follows：
The high-temperature refractory of the present invention is can be seen that by above-mentioned experimental data, is had good stability under the high temperature conditions, refractoriness
More than 1700 DEG C are reached, have been even up to 2000 DEG C, the present market demand can be met completely.
It is recognised that the illustrative embodiments that above-described embodiment uses only for explanation inventive principle, but this hair
Bright to be not limited only to this, those skilled in the art can make various improvement and change in the case where not departing from real situation of the present invention, this
A little improvement and change fall within protection scope of the present invention.
Claims (8)
1. a kind of kiln inwall high-temperature refractory, it is characterised in that including following raw material：High aluminium material 20-40 parts,
Superfine kaolin 12-25 parts, binding agent 5-12 parts, additive 2-8 parts, corundum fine powder 10-15 parts, zircon sand 8-15 parts, dioxy
Change zirconium 5-15 parts, chromium dioxide 5-15 parts.
2. kiln inwall high-temperature refractory according to claim 1, it is characterised in that the high aluminium material to be superfine or
Person's one-level aluminium vanadine, including thick, fine aggregate and fine powder and superfine powder, wherein coarse aggregate account for 5%-10%, and middle aggregate accounts for 10% -20%,
Fine aggregate accounts for 25% -50%, and fine powder accounts for 10% -40%, and superfine powder accounts for 10% -20%.
3. kiln inwall high-temperature refractory according to claim 2, it is characterised in that the production of the high aluminium material
Cheng Wei：
（1）By bauxite chamotte, through crusher in crushing, required carse, medium and small aggregate and fine powder are screened into；
（2）The fine powder of above-mentioned acquisition is worn into the superfine powder of required fineness through roller mill；
（3）Coarse aggregate, middle aggregate, fine aggregate, fine powder and the superfine powder that above-mentioned steps are obtained, according to the weight than mixed
Close, that is, obtain required high aluminium material.
4. kiln inwall high-temperature refractory according to claim 1, it is characterised in that the binding agent is powdery water
The mixture of glass and powdered phenol-formaldehyde resin.
5. kiln inwall high-temperature refractory according to claim 4, it is characterised in that the powdery waterglass accounts for viscous
The 40-85% of agent gross weight is tied, the powdered phenol-formaldehyde resin accounts for the 15-60% of binding agent gross weight.
6. kiln inwall high-temperature refractory according to claim 1, it is characterised in that the additive is pasted to be yellow
At least three kinds of mixture in essence, sodium carboxymethylcellulose CMC, Quadrafos, lignosulfonates and polycarbonate.
7. a kind of method for preparing the kiln inwall high-temperature refractory as any one of claim 1 to 6, its feature exist
In comprising the following steps：
（1）Each raw material is weighed by the weight proportion；
（2）The zircon sand and corundum fine powder are put into acid solution and soaked 24 hours, then is cleaned, dried with water；
（3）By the zircon sand after above-mentioned processing and corundum fine powder and high aluminium material, superfine kaolin, binding agent, additive, titanium dioxide
Zirconium, chromium dioxide are mixed, stirred, that is, obtain required kiln inwall high-temperature refractory.
8. the method according to claim 7 for preparing kiln inwall high-temperature refractory, it is characterised in that the step
（2）In acid solution be hydrochloric acid solution that mass concentration is 48%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108640696A (en) * | 2018-07-31 | 2018-10-12 | 合肥铭佑高温技术有限公司 | A kind of production method of kiln special-purpose fire-resistant material |
| CN115057691A (en) * | 2022-07-13 | 2022-09-16 | 江西省科兴特种陶瓷有限公司 | High-alumina honeycomb ceramic material resistant to corrosion of low-concentration hydrofluoric acid and preparation method thereof |
| CN115286300A (en) * | 2022-07-04 | 2022-11-04 | 北京太阳宫燃气热电有限公司 | Heat insulation material for boiler bottom plate and top plate and manufacturing process |
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| CN101343187A (en) * | 2008-08-20 | 2009-01-14 | 宜兴市张泽工业炉材料厂 | High-temperature flame-proof pouring material and preparation method |
| CN102020477A (en) * | 2010-12-10 | 2011-04-20 | 河南瑞泰耐火材料科技有限公司 | Alkaline high-temperature refractory mortar |
| CN102731123A (en) * | 2012-07-17 | 2012-10-17 | 湖南鸿运窑炉工程有限责任公司 | High-alumina high-temperature fire-resistance casting material and preparation method thereof |
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2017
- 2017-07-19 CN CN201710588504.3A patent/CN107344861A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343187A (en) * | 2008-08-20 | 2009-01-14 | 宜兴市张泽工业炉材料厂 | High-temperature flame-proof pouring material and preparation method |
| CN102020477A (en) * | 2010-12-10 | 2011-04-20 | 河南瑞泰耐火材料科技有限公司 | Alkaline high-temperature refractory mortar |
| CN102731123A (en) * | 2012-07-17 | 2012-10-17 | 湖南鸿运窑炉工程有限责任公司 | High-alumina high-temperature fire-resistance casting material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640696A (en) * | 2018-07-31 | 2018-10-12 | 合肥铭佑高温技术有限公司 | A kind of production method of kiln special-purpose fire-resistant material |
| CN115286300A (en) * | 2022-07-04 | 2022-11-04 | 北京太阳宫燃气热电有限公司 | Heat insulation material for boiler bottom plate and top plate and manufacturing process |
| CN115057691A (en) * | 2022-07-13 | 2022-09-16 | 江西省科兴特种陶瓷有限公司 | High-alumina honeycomb ceramic material resistant to corrosion of low-concentration hydrofluoric acid and preparation method thereof |
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Application publication date: 20171114 |
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