CN102417360A - High-wear-resistance silicon carbide ramming material and application thereof - Google Patents
High-wear-resistance silicon carbide ramming material and application thereof Download PDFInfo
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- CN102417360A CN102417360A CN2011102564359A CN201110256435A CN102417360A CN 102417360 A CN102417360 A CN 102417360A CN 2011102564359 A CN2011102564359 A CN 2011102564359A CN 201110256435 A CN201110256435 A CN 201110256435A CN 102417360 A CN102417360 A CN 102417360A
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract 15
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract 15
- 239000000463 material Substances 0.000 title claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 10
- 239000010431 corundum Substances 0.000 claims abstract description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 3
- 239000000701 coagulant Substances 0.000 claims abstract 5
- YQOPHINZLPWDTA-UHFFFAOYSA-H [Al+3].[Cr+3].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Al+3].[Cr+3].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O YQOPHINZLPWDTA-UHFFFAOYSA-H 0.000 claims abstract 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000002994 raw material Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000000084 colloidal system Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 3
- 239000011230 binding agent Substances 0.000 claims 3
- 229910052726 zirconium Inorganic materials 0.000 claims 3
- CBIXFXPGRXJEAJ-UHFFFAOYSA-N [I].[Bi] Chemical compound [I].[Bi] CBIXFXPGRXJEAJ-UHFFFAOYSA-N 0.000 claims 2
- 239000003112 inhibitor Substances 0.000 claims 2
- 239000000843 powder Substances 0.000 abstract description 24
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 1
- 239000011651 chromium Substances 0.000 description 21
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 18
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 17
- 229910052804 chromium Inorganic materials 0.000 description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 238000005299 abrasion Methods 0.000 description 11
- 229910052845 zircon Inorganic materials 0.000 description 11
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 11
- 238000003763 carbonization Methods 0.000 description 9
- -1 iodine oxygen tannic acid bismuth derivative Chemical class 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 8
- 239000001263 FEMA 3042 Substances 0.000 description 8
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 229940033123 tannic acid Drugs 0.000 description 8
- 235000015523 tannic acid Nutrition 0.000 description 8
- 229920002258 tannic acid Polymers 0.000 description 8
- 150000004767 nitrides Chemical class 0.000 description 7
- 239000002512 suppressor factor Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 230000002269 spontaneous effect Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000003746 solid phase reaction Methods 0.000 description 5
- 238000010671 solid-state reaction Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000003245 working effect Effects 0.000 description 4
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 3
- 229910052863 mullite Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000011863 silicon-based powder Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a high-wear-resistance silicon carbide ramming mass which comprises the following components in parts by weight: 55-78 parts of special-grade silicon carbide, 5-15 parts of alpha-type silicon nitride, 5-10 parts of zirconia corundum, 1-7 parts of alumina micro powder and silica micro powder respectively, 9-13 parts of aluminum chromium phosphate, 0.5-5 parts of coagulant, 0-2.5 parts of bismuth oxyiodotannate and 0.3-0.7 part of explosion-proof fiber, wherein the coagulant is a mixture of active rho-alumina and magnesium oxide, and the diameter of the explosion-proof fiber is 1.5-2.5 mu m. The high-wear-resistance silicon carbide ramming mass provided by the invention is high in strength after natural curing and drying, good in wear resistance at high temperature, high in heat transfer coefficient, small in linear shrinkage and long in service life.
Description
Technical field
The present invention relates to a kind of high abrasion carbonization silicon ramming mass, be used for vapourizing furnace water wall wear resistance lining, be applied to fields such as chemical industry.
Background technology
Coal water slurry pressurized gasifier is under high temperature, high pressure, strongly reducing atmosphere, to operate, liquid acid slag, and the high speed of simultaneous solid, liquid, gas is washed away, and its gaseous constituent and coal ash slag composition produce serious erosion and damage to refractory liner.And opening, having when stopping bigger temperature and pressure fluctuation, these severe condition have proposed higher requirement to the lining refractory materials.The silit ramming mass of the import Germany of synthetic ammonia installation vapourizing furnace water wall wear resistance lining use at present, work-ing life, weak point was merely 8500 hours.
Summary of the invention
The object of the invention is to provide a kind of high abrasion carbonization silicon ramming mass and preparation method thereof, is specifically realized by following technical scheme:
A kind of high abrasion carbonization silicon ramming mass; It is characterized in that: it is formed by following weight part preparation of raw material: each 1 ~ 7 part of 55 ~ 78 parts in silit, 5 ~ 15 parts of alpha-form si nitrides, 5 ~ 10 parts of zircon corundums, alumina powder and fine silica powder, 9 ~ 13 parts of wedding agents, 0.5 ~ 5 part of setting accelerator, 0 ~ 2.5 part of suppressor factor iodine oxygen tannic acid bismuth derivative, 0.3 ~ 0.7 part of explosion-proof fiber.
Wedding agent is selected 50 ~ 60% the phosphagel phosphaljel chromium aqueous solution for use.
Wherein setting accelerator is active ρ-aluminum oxide (ρ-Al
2O) weight ratio with magnesia mixture is 1:0.1 ~ 0.5.
Wherein silit is selected superfine silit for use.
The preferred diameter of explosion-proof fiber is 1.5 ~ 2.5 μ m water-soluble polyvinyl alcohol fibers.
Wherein alumina powder preferably adopts active alpha-Al
2O
3
Fine silica powder adopts model SF96; Iodine oxygen tannic acid bismuth derivative adopts suppressor factor NH-66;
The application of high abrasion carbonization silicon ramming mass of the present invention aspect the burner hearth refractory liner is specially:
With following weight part raw material: wherein each 1 ~ 7 part of 55 ~ 78 parts in silit, 5 ~ 15 parts of alpha-form si nitrides, 5 ~ 10 parts of zircon corundums, alumina powder and fine silica powder, 9 ~ 13 parts of wedding agents, 0.5 ~ 5 part of setting accelerator, 0 ~ 2.5 part of suppressor factor iodine oxygen tannic acid bismuth derivative; 0.3 ~ 0.7 part of explosion-proof fiber; After in forced mixer, stirring; On the gasifier water-cooling tube wall, spontaneous curing is after 6 ~ 8 hours under 5 ~ 35 ℃ of environment with the compound ramming, and phosphagel phosphaljel chromium colloid concentrates, dewaters, solidifies; When vapourizing furnace baker process, the ramming mass lining carries out being heated to 540 ℃ with 7 ~ 9 ℃/h, behind insulation 16 ~ 18h, naturally cools to room temperature or directly use.
The present invention compares prior art and has following advantage:
Ramming mass of the present invention is an aggregate with superfine silit, alpha-form si nitride and zircon corundum, and alumina powder and fine silica powder are base-material, and phosphagel phosphaljel chromium is wedding agent, and iodine oxygen tannic acid bismuth derivative is a suppressor factor, and the mixture of activated magnesia and aluminum oxide is a promotor.It is formulated under specific temperature condition by high purity, macrobead silit, silicon nitride and compound sizing materials such as high-temperature oxide ultrafine powder, phosphagel phosphaljel chromium, suppressor factor, solidifying agent.Spontaneous curing in air, body junction mixture phosphagel phosphaljel chromium is transformed into the β of low temperature modification--AlCr0.4 (PO3) 4.2 after 273-540 ℃ of heating.Continue thermal conversion and become the strong AlCr0.4 of stable bonding force (PO4) 1.4.Ramming mass dehydrating condensation, the high abrasion lining that poly combines, solid state reaction has formed three dimensional network chromium structure.Phosphagel phosphaljel chromium under the high temperature, high-temperature oxide micro mist can produce pottery and combine being lower than under the refractory raw material sintering temperatures such as corundum, silit, silicon nitride, make corresponding refractory liner, strengthened lining intensity and and toughness, prolong work-ing life of refractory liner; Can bear nearly 120-125 hot cold variation between 20-1050 ℃.The reasonable continuous grain composition increases the tap density of material, and improves erosion, impermeabilisation and the antiwear property of its anti-flyash and slag.
High abrasion carbonization silicon ramming mass provided by the invention, high through intensity after the natural Health preservation drying, at high temperature wear resisting property is good, heat transfer coefficient is high, linear shrinkage ratio is little, long service life.
Embodiment
Below in conjunction with instance the present invention is done further description.
Weight part in following examples all can be g, Kg.Wherein alumina powder adopts active alpha-Al
2O
3Iodine oxygen tannic acid bismuth derivative adopts suppressor factor NH-66; Alumina powder 2 ~ 4um, fine silica powder 5 ~ 10um; Fine silica powder model SF96; Alumina powder trade mark AN-03.
Embodiment 1:
55 parts of superfine silit, 15 parts of alpha-form si nitrides, 10 parts of zircon corundums (are adopted high zircon corundum, wherein ZrO
2Content 40%), 3.2 parts of alumina powders (3um) and 2 parts of fine silica powders (8um), 13 part 50% the phosphagel phosphaljel chromium aqueous solution, setting accelerator be the explosion-proof fiber that 1 part in active ρ-aluminum oxide and 0.5 part, 0.3 part diameter of Natural manganese dioxide are 1.5 μ m.
Above-mentioned raw materials was stirred 3-5 minute with mixing in the forced mixer, after the mixing and stirring, be shaped at the gasification stove internal wall ramming, spontaneous curing is after 6 hours under 10 degrees centigrade of environment, and ramming mass final set is shaped.The ramming mass lining carries out being heated to 540 ℃ with 7 ~ 9 ℃/h in the baker process, and behind insulation 16 ~ 18h, phosphagel phosphaljel chromium colloid has formed P
2O
5-Al
2O
3-Cr
2O
3Mixture with compound generation solid state reaction, has formed the ramming mass lining that wear resisting property is good, intensity is high, high-temperature behavior is good.The ramming mass lining in use, when gasifier water-cooling wall pipelining temperature reached 850 ℃ ~ 1050 ℃ work, phosphagel phosphaljel chromium and Alpha-alumina, ρ-aluminum oxide generation chemical reaction produced Chemical bond.Aluminum oxide under the high temperature in silicon powder and the ramming mass forms the mullite crystalline phase, produces pottery and combines.Generated in the gasifier water-cooling wall liner that satisfies the operation needs.
Embodiment 2:
57 parts of superfine silit, 14 parts of alpha-form si nitrides, 7 parts of zircon corundums (are adopted high zircon corundum, wherein ZrO
2Content 40%), 3.3 parts of alumina powders (4um), 1.5 parts of fine silica powders (8um), 12 part 60% the phosphagel phosphaljel chromium aqueous solution, setting accelerator be that 2.5 parts of active ρ-aluminum oxide and 0.5 part of Natural manganese dioxide, 2.5 parts of iodine oxygen tannic acid bismuth derivatives, 0.7 part of diameter are the explosion-proof fiber of 2.5 μ m.
With above-mentioned raw materials with mixing and stirring in the forced mixer after, be shaped at the gasification stove internal wall ramming, spontaneous curing is after 8 hours under 25 degrees centigrade of environment, ramming mass final set is shaped.The ramming mass lining carries out being heated to 540 ℃ with 7 ~ 9 ℃/h in the baker process, and behind insulation 16 ~ 18h, phosphagel phosphaljel chromium colloid has formed P
2O
5-Al
2O
3-Cr
2O
3Mixture with compound generation solid state reaction, has formed the ramming mass lining that wear resisting property is good, intensity is high, high-temperature behavior is good.
The ramming mass lining in use, when gasifier water-cooling wall pipelining temperature reached 850 ℃ ~ 1050 ℃ work, phosphagel phosphaljel chromium and Alpha-alumina, ρ-aluminum oxide generation chemical reaction produced Chemical bond.Aluminum oxide under the high temperature in silicon powder and the ramming mass forms the mullite crystalline phase, produces pottery and combines.Generated in the gasifier water-cooling wall liner that satisfies the operation needs.
Embodiment 3:
65 parts of superfine silit, 10 parts of alpha-form si nitrides, 6 parts of zircon corundums (are adopted high zircon corundum, wherein ZrO
2Content 40%), 6 parts of alumina powders (3um), 2.5 parts of fine silica powders (6um), 10 part 55% the phosphagel phosphaljel chromium aqueous solution, setting accelerator be that 2 parts of active ρ-aluminum oxide and 0.4 part of magnesian mixture, 1.5 parts of iodine oxygen tannic acid bismuth derivatives, 0.5 part of diameter are the explosion-proof fiber of 2 μ m.
With above-mentioned raw materials with mixing and stirring in the forced mixer after, be shaped at the gasification stove internal wall ramming, spontaneous curing is after 7 hours under 30 degrees centigrade of environment, ramming mass final set is shaped.The ramming mass lining carries out being heated to 540 ℃ with 7 ~ 9 ℃/h in the baker process, and behind insulation 16 ~ 18h, phosphagel phosphaljel chromium colloid has formed P
2O
5-Al
2O
3-Cr
2O
3Mixture with compound generation solid state reaction, has formed the ramming mass lining that wear resisting property is good, intensity is high, high-temperature behavior is good.The ramming mass lining in use, when gasifier water-cooling wall pipelining temperature reached 850 ℃ ~ 1050 ℃ work, phosphagel phosphaljel chromium and Alpha-alumina, ρ-aluminum oxide generation chemical reaction produced Chemical bond.Aluminum oxide under the high temperature in silicon powder and the ramming mass forms the mullite crystalline phase, produces pottery and combines.Generated in the gasifier water-cooling wall liner that satisfies the operation needs.
Embodiment 4:
75 parts of superfine silit, 6 parts of alpha-form si nitrides, 6 parts of zircon corundums (are adopted high zircon corundum, wherein ZrO
2Content 40%), 1.5 parts of alumina powders (2um) and 6 parts of fine silica powders (10um), 9 part 50% the phosphagel phosphaljel chromium aqueous solution, setting accelerator be that 3 parts of active ρ-aluminum oxide and 0.5 part of magnesian mixture, 0.4 part of diameter are the explosion-proof fiber of 2.5 μ m.0.5 part of suppressor factor iodine oxygen tannic acid bismuth derivative.
With above-mentioned raw materials with mixing and stirring in the forced mixer after, be shaped at the gasification stove internal wall ramming, spontaneous curing is after 8 hours under 15 degrees centigrade of environment, ramming mass final set is shaped.The ramming mass lining carries out being heated to 540 ℃ with 7 ~ 9 ℃/h intensification in the baker process, and behind insulation 16 ~ 18h, phosphagel phosphaljel chromium colloid has formed P
2O
5-Al
2O
3-Cr
2O
3Mixture with compound generation solid state reaction, has formed the ramming mass lining that wear resisting property is good, intensity is high, high-temperature behavior is good.It is subsequent use to naturally cool to room temperature.
The high abrasion carbonization silicon ramming mass that the present invention makes and the performance comparison such as the following table of import like product:
According to YB/T 5202.1-2003 amorphous refractory preparation method of sample, ramming mass is processed 160 * 40 * 40 test blocks, detect by standard specifications.
Visible by following table, high mill silit ramming mass of the present invention is compared with the similar ramming mass of import, and wear resistance, toughness have improved 50%.Wear-resisting amount under 800 ℃ is merely 2.5-3.2cm
3(wear-resisting amount is more little, and wear resisting property is good more.Stipulate the wear-resisting amount of high abrasion A level ramming mass≤6 (cm in the GB/T 50474-2008 insulating and wearing-resistant lining technical specifications
3)).Thermal conductivity in the time of 1000 ℃ is greater than 7 W/m.k, and thermal conductivity has increased by 40%.Compressive strength 1100 is greater than 80Mpa.
High abrasion carbonization silicon ramming mass of the present invention 9500 ~ 11000 hours work-ing life on Anqing Petrochemical fertilizer plant gasifier water-cooling wall, and 8500 hours the highest work-ing life of the like product of import.
The main physicochemical property of high abrasion carbonization silicon ramming mass is following:
Claims (7)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539469A (en) * | 2013-10-29 | 2014-01-29 | 宁夏天纵泓光余热发电技术有限公司 | Refractory castable for incinerator |
| CN103936431A (en) * | 2013-01-22 | 2014-07-23 | 宝山钢铁股份有限公司 | Ramming material for iron notch of smelting reduction furnace |
| CN106747460A (en) * | 2016-12-07 | 2017-05-31 | 浙江嘉吉石化工程有限公司 | A kind of gasification furnace carborundum ramming mass |
| CN107244900A (en) * | 2017-05-23 | 2017-10-13 | 昆明理工大学 | A kind of copper anode casting die repairing material and its application |
| CN110835260A (en) * | 2018-08-16 | 2020-02-25 | 上海皕涛耐火材料有限公司 | High-wear-resistance chrome corundum ramming material and application thereof |
| CN112430098A (en) * | 2020-11-20 | 2021-03-02 | 北京金隅通达耐火技术有限公司 | Self-protection silicon carbide corrosion-resistant material for water-cooled wall of pulverized coal gasification furnace |
| CN118530012A (en) * | 2024-07-24 | 2024-08-23 | 山东瀛洲节能环保科技有限公司 | Special nano wear-resistant ramming mass for target area and construction method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103936431A (en) * | 2013-01-22 | 2014-07-23 | 宝山钢铁股份有限公司 | Ramming material for iron notch of smelting reduction furnace |
| CN103936431B (en) * | 2013-01-22 | 2015-08-26 | 宝山钢铁股份有限公司 | A kind of fusion reducing furnace iron notch ramming mass |
| CN103539469A (en) * | 2013-10-29 | 2014-01-29 | 宁夏天纵泓光余热发电技术有限公司 | Refractory castable for incinerator |
| CN103539469B (en) * | 2013-10-29 | 2015-06-10 | 宁夏天纵泓光余热发电技术有限公司 | Refractory castable for incinerator |
| CN106747460A (en) * | 2016-12-07 | 2017-05-31 | 浙江嘉吉石化工程有限公司 | A kind of gasification furnace carborundum ramming mass |
| CN107244900A (en) * | 2017-05-23 | 2017-10-13 | 昆明理工大学 | A kind of copper anode casting die repairing material and its application |
| CN110835260A (en) * | 2018-08-16 | 2020-02-25 | 上海皕涛耐火材料有限公司 | High-wear-resistance chrome corundum ramming material and application thereof |
| CN110835260B (en) * | 2018-08-16 | 2022-11-18 | 上海皕涛耐火材料有限公司 | High-wear-resistance chrome corundum ramming material and application thereof |
| CN112430098A (en) * | 2020-11-20 | 2021-03-02 | 北京金隅通达耐火技术有限公司 | Self-protection silicon carbide corrosion-resistant material for water-cooled wall of pulverized coal gasification furnace |
| CN118530012A (en) * | 2024-07-24 | 2024-08-23 | 山东瀛洲节能环保科技有限公司 | Special nano wear-resistant ramming mass for target area and construction method thereof |
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