CN114133255A - Heating furnace heat storage box body repairing material and preparation method thereof - Google Patents
Heating furnace heat storage box body repairing material and preparation method thereof Download PDFInfo
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- CN114133255A CN114133255A CN202111552786.4A CN202111552786A CN114133255A CN 114133255 A CN114133255 A CN 114133255A CN 202111552786 A CN202111552786 A CN 202111552786A CN 114133255 A CN114133255 A CN 114133255A
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- 239000000463 material Substances 0.000 title claims abstract description 69
- 238000005338 heat storage Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000011230 binding agent Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 150000004645 aluminates Chemical class 0.000 claims abstract description 9
- 239000000701 coagulant Substances 0.000 claims abstract description 9
- 229920003987 resole Polymers 0.000 claims abstract description 9
- 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 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007767 bonding agent Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 7
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 6
- 230000001172 regenerating effect Effects 0.000 claims abstract description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 5
- 230000032683 aging Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 8
- 229910001570 bauxite Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009991 scouring Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- 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
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- C04B33/13—Compounding ingredients
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- C04B33/00—Clay-wares
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- C04B33/1305—Organic additives
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- C04B33/00—Clay-wares
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- C04B33/00—Clay-wares
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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- 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
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- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
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- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
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- Inorganic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
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Abstract
The invention discloses a heating furnace heat storage box body repairing material and a preparation method thereof, wherein the heating furnace heat storage box body repairing material comprises aggregate, auxiliary materials and a binding agent; the aggregate comprises the following components in percentage by weight: 70-80% of regenerative heat accumulator powder, 5-8% of silicon oxide micro powder, 5-10% of power plant porcelain bottle micro powder, 5-10% of alumina micro powder and 0.5-2% of metal aluminum powder; the auxiliary material is a zirconium-containing refractory fiber, and the addition amount of the auxiliary material in the repair material is 0.1-1%; the addition amount of the bonding agent in the patching material is as follows: 0.5-1.5% of resol, 2.5-3% of aluminate coagulant, 1-2% of silica gel expanding agent and 1-2% of industrial tar. The repairing material can be made of waste materials, so that the utilization rate of the waste materials can be effectively improved; the thermal shock resistant coating has the characteristics of good high-temperature adhesion, good wear and erosion resistance, good durability, wear resistance, scouring resistance, no shedding and good thermal shock stability, and simultaneously improves the stable service life of thermal shock and reduces the maintenance cost.
Description
Technical Field
The invention relates to a repair material for a heating furnace, in particular to a repair material for a heat storage box body of the heating furnace and a preparation method thereof.
Background
In the use process of a steel rolling heating furnace of a steel enterprise, the heat storage box body belonging to a combustion system is internally subjected to the alternate action of cold air, hot air and coal gas, cold shrinkage cracks and cracks of different degrees can appear, the upper part of the heat storage box body is seriously caused to fall off and collapse, even, coal gas leaks and flame overflows, so that the service life of the whole heat storage box body is short, the heat storage box body needs to be frequently overhauled, and the production efficiency is seriously influenced.
The heat storage tank is generally not repaired or temporarily repaired in daily maintenance. When temporarily repairing, common high-alumina refractory soil or castable is mostly adopted for coating; the coating has poor adhesion, so that the service life after the repair is finished is short, flames can emerge or overflow again, even an external steel structure can be burnt out, the temperature of a heating furnace area is increased, the concentration of coal gas exceeds the standard, and potential safety hazards are caused.
Disclosure of Invention
The invention aims to provide a heating furnace heat storage box body repairing material with good repairing effect; the invention also provides a preparation method of the heating furnace heat storage box body repairing material.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: it comprises aggregate, auxiliary materials and a bonding agent; the aggregate comprises the following components in percentage by weight: 70-80% of regenerative heat accumulator powder, 5-8% of silicon oxide micro powder, 5-10% of power plant porcelain bottle micro powder, 5-10% of alumina micro powder and 0.5-2% of metal aluminum powder;
the auxiliary material is a zirconium-containing refractory fiber, and the addition amount of the auxiliary material in the repair material is 0.1-1%;
the addition amount of the bonding agent in the patching material is as follows: 0.5-1.5% of resol, 2.5-3% of aluminate coagulant, 1-2% of silica gel expanding agent and 1-2% of industrial tar.
The proportion of the high-alumina bauxite micro powder in the bauxite micro powder is 70-80%.
The aggregate of the invention has a particle size of 0.001-0.1 mm.
The method comprises the following steps: (1) mixing the aggregates, stirring for the first time, and uniformly mixing to obtain mixed aggregates;
(2) adding resol into the mixed aggregate, and stirring for the second time; then, ageing the mixture for the first time to obtain a primary binder;
(3) adding aluminate coagulant into the primary binder, and stirring for the third time; then ageing the mixture for the second time to obtain a secondary binder;
(4) adding a silica gel expanding agent and industrial tar into the secondary binder, and stirring for the fourth time; and then ageing the mixture for the third time to obtain the repairing material.
According to the method, the first ageing time is 24-30 hours, and the ageing temperature is 10-50 ℃.
According to the method, the second ageing time is 24-30 hours, and the ageing temperature is 10-50 ℃.
According to the method, the third ageing time is 48-56 hours, and the ageing temperature is 10-50 ℃.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the invention adopts the raw materials of the regenerative heat accumulator, the high bauxite, the porcelain bottle of the power plant and the silicon dioxide micro powder as the main materials, and can adopt waste materials, thereby effectively improving the utilization rate of waste materials; the metal aluminum powder is used as a heating agent of the material, and after the metal aluminum powder reacts with micro crystal water in the material, the temperature is increased, the water is removed, and meanwhile, a certain temperature is kept, so that the mutual dissolution and combination among the materials are better and more sufficient; the zirconium-containing refractory fiber is added into the material, so that the overall structural strength of the material is improved, cracks are not easy to generate, and the integrity is strong; the phenolic resole binding agent and the aluminate coagulant are adopted as the special coagulation accelerating binding agent and the forced adhesive is adopted as the binding agent; the swelling agent and the tar lubricant are used as the viscosity agent to increase the viscosity of the material. The invention has the characteristics of good high-temperature adhesion, good wear and erosion resistance, good durability, wear resistance, scouring resistance, no shedding and good thermal shock stability, improves the thermal shock stability service life and reduces the maintenance cost.
According to the invention, through multiple ageing processes, the high-temperature adhesion, wear resistance, erosion resistance and durability of the product are effectively improved.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
The heating furnace heat storage box body repairing material comprises aggregate, auxiliary materials and a binding agent; the aggregate comprises the following components in percentage by weight: 70-80% of regenerated heat accumulator powder, 5-8% of silicon oxide micro powder, 5-10% of power plant porcelain bottle micro powder, 5-10% of alumina micro powder and 0.5-2% of metal aluminum powder. The weight ratio of the high-bauxite micro powder in the bauxite micro powder is 70-80%. The regenerative heat accumulator powder is formed by crushing and ball milling a heat accumulation box body. The particle size of the aggregate is 0.001-0.1 mm.
The auxiliary material is a zirconium-containing refractory fiber, and the addition amount of the auxiliary material is 0.1-1% of the total weight of the repair material.
The addition amount of the bonding agent in the patching material is as follows: the phenolic resole resin accounts for 0.5-1.5% of the total weight of the patching material, the aluminate coagulant accounts for 2.5-3% of the total weight of the patching material, the silica gel expanding agent accounts for 1-2% of the total weight of the patching material, and the industrial tar accounts for 1-2% of the total weight of the patching material. The resole phenolic resin is used as the primary combination of materials; the aluminate coagulant is a forced binding agent of the material, is used as the final combination of the material, and can tightly combine various homogeneous materials in the ageing process; the silica gel expanding agent is used for eliminating residual gaps after material construction; the industrial tar acts as a lubricant.
The preparation method of the heating furnace heat storage box body repairing material comprises the following process steps: (1) crushing and ball-milling the regenerative heat accumulator, the silicon oxide, the porcelain bottle of the power plant and the alumina respectively by using a small crusher and a ball mill; screening the ball-milled materials of the four raw materials by magnetic attraction and a double-layer porous sieve with the aperture of 0.001-0.1 mm, and removing impurities in the raw materials;
(2) selecting metal aluminum powder with the particle size of 0.001-0.1 mm; processing the zirconium-containing refractory fiber blanket into cotton-shaped zirconium-containing refractory fiber yarns; all the powder and auxiliary materials of the aggregate raw materials can be obtained;
(3) mixing the powder of the aggregate, and stirring for the first time for 5-10 min to uniformly mix the aggregate to obtain mixed aggregate;
(4) adding resol into the mixed aggregate, and stirring for a second time for 20-30 min; then, ageing for the first time, wherein ageing time is 24-30 hours, and ageing temperature is 10-50 ℃; obtaining a primary binder;
(5) adding an aluminate coagulant into the primary binder, and stirring for a third time for 20-30 min; then ageing for the second time, wherein ageing time is 24-30 hours, and ageing temperature is 10-50 ℃; obtaining a secondary binder;
(6) adding a silica gel expanding agent and industrial tar into the secondary binder, and stirring for 20-30 min for the fourth time; then covering and sealing the mixture by using a plastic film, and performing third ageing for 48-56 hours at the ageing temperature of 10-50 ℃; and obtaining the mending material.
(7) The repairing process of the obtained repairing material comprises the following steps: placing the prepared mending material in a sealed barrel, opening the sealed barrel 30 minutes before use, and spraying clean purified water or drinking water on the surface by using a sprinkling can; manually judging the size of the part of the heat storage box to be repaired, cleaning loose refractory materials and magazines in advance by the part, and simultaneously blowing the parts by using a high-pressure air pipe; make into the long banding with the repair material, the surface sprays clean pure water, and artifical use is pressed the ramming material at heat accumulation box crack defect position with the hand, and is great to the crack depth, with the help of certain specialized tool, presses the completion back, uses the rubber hammer to stamp until closely knit.
Examples 1 to 7: the heating furnace heat storage box body repairing material and the preparation method thereof are specifically described as follows.
(1) The component proportions of the aggregate described in each example are shown in Table 1; the addition amounts of the auxiliary material and the binding agent in the repair material are shown in table 2.
Table 1: the aggregate comprises the following components in percentage by weight
Wherein the particle size of the aggregate is 0.001-0.1 mm.
Table 2: the addition amount (wt%) of the auxiliary material and the bonding agent in the repair material
(2) The preparation is carried out according to the process, and the specific process parameters of each example are shown in Table 3.
Table 3: specific process parameters of the examples
In Table 3, the stirring and aging times are in min, and the aging temperature is in ℃.
(3) The mending material obtained in each embodiment is subjected to normal-temperature compressive strength detection at 110 ℃ and high-temperature compressive strength detection at 1100 ℃; and carrying out a baking experiment, wherein the baking experiment process comprises the following steps: a low-temperature section: slowly raising the temperature below 150 ℃ for 2 hours to mainly eliminate free water; and (3) in a medium-temperature section: slowly raising the temperature at 150-350 ℃, keeping the temperature for 6 hours, 300-350 ℃ for 2 hours, and mainly eliminating crystal water; a high-temperature section: 350-600 ℃ for 8 hours; 600-1000 ℃ for 2 hours; naturally cooling to room temperature along with the furnace; and (5) detecting the performance index of the sample. The results of the tests and experiments are shown in Table 4.
Table 4: compressive Strength and baking test results
Claims (7)
1. The utility model provides a material is repaired to heating furnace heat storage box which characterized in that: it comprises aggregate, auxiliary materials and a bonding agent; the aggregate comprises the following components in percentage by weight: 70-80% of regenerative heat accumulator powder, 5-8% of silicon oxide micro powder, 5-10% of power plant porcelain bottle micro powder, 5-10% of alumina micro powder and 0.5-2% of metal aluminum powder;
the auxiliary material is a zirconium-containing refractory fiber, and the addition amount of the auxiliary material in the repair material is 0.1-1%;
the addition amount of the bonding agent in the patching material is as follows: 0.5-1.5% of resol, 2.5-3% of aluminate coagulant, 1-2% of silica gel expanding agent and 1-2% of industrial tar.
2. The heating furnace heat storage box body repair material according to claim 1, characterized in that: the proportion of the high-alumina bauxite micro powder in the bauxite micro powder is 70-80%.
3. The heating furnace heat storage box body repair material according to claim 1 or 2, characterized in that: the particle size of the aggregate is 0.001-0.1 mm.
4. A method for preparing a heating furnace heat storage box body repair material according to claim 1, 2 or 3, which is characterized by comprising the following steps: (1) mixing the aggregates, stirring for the first time, and uniformly mixing to obtain mixed aggregates;
(2) adding resol into the mixed aggregate, and stirring for the second time; then, ageing the mixture for the first time to obtain a primary binder;
(3) adding aluminate coagulant into the primary binder, and stirring for the third time; then ageing the mixture for the second time to obtain a secondary binder;
(4) adding a silica gel expanding agent and industrial tar into the secondary binder, and stirring for the fourth time; and then ageing the mixture for the third time to obtain the repairing material.
5. The preparation method of the heating furnace heat storage box body repair material according to claim 4, characterized by comprising the following steps: the first ageing time is 24-30 hours, and the ageing temperature is 10-50 ℃.
6. The preparation method of the heating furnace heat storage box body repair material according to claim 4, characterized by comprising the following steps: the second ageing time is 24-30 hours, and the ageing temperature is 10-50 ℃.
7. The preparation method of the heating furnace heat storage box body repair material according to claim 4, 5 or 6, characterized by comprising the following steps: the third ageing time is 48-56 hours, and the ageing temperature is 10-50 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111552786.4A CN114133255A (en) | 2021-12-17 | 2021-12-17 | Heating furnace heat storage box body repairing material and preparation method thereof |
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| CN202111552786.4A CN114133255A (en) | 2021-12-17 | 2021-12-17 | Heating furnace heat storage box body repairing material and preparation method thereof |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11240771A (en) * | 1998-02-27 | 1999-09-07 | Kyushu Refract Co Ltd | Baking repairing material |
| CN101348378A (en) * | 2008-08-29 | 2009-01-21 | 武汉钢铁(集团)公司 | Sol combined fire resistant repair material and repair method |
| CN102010212A (en) * | 2010-07-01 | 2011-04-13 | 北京利尔高温材料股份有限公司 | Heating furnace mending material and preparation method thereof |
| CN103449831A (en) * | 2013-08-29 | 2013-12-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Welding repair material for repairing coking furnace and method for repairing coking furnace |
| CN103482990A (en) * | 2013-09-06 | 2014-01-01 | 鞍钢股份有限公司 | Coke oven burner hot-repairing material and preparation method thereof |
| CN103833389A (en) * | 2013-11-26 | 2014-06-04 | 阜康市三工河乡樟兴新型耐火材料厂 | Waterless stemming and preparation method thereof |
| CN104725055A (en) * | 2013-12-20 | 2015-06-24 | 宝山钢铁股份有限公司 | MgO-Al2O3 based high-temperature thermal-state repairing material and application method thereof |
| CN105481395A (en) * | 2014-09-24 | 2016-04-13 | 上海宝钢工业技术服务有限公司 | Rapid-setting and quick-drying pumping material for mending blast furnace lining, and preparation method thereof |
| CN106242588A (en) * | 2016-07-14 | 2016-12-21 | 武汉钢铁股份有限公司 | Torpedo tank liner spray repair material for repairing and preparation method and application |
| CN107200595A (en) * | 2017-07-19 | 2017-09-26 | 河南郑耐新材料有限公司 | One kind is exempted to toast material for repairing |
| CN110563473A (en) * | 2019-10-14 | 2019-12-13 | 北京瑞普同创科技发展有限公司 | Novel cooling wall refractory material, preparation method and blast furnace cooling wall |
-
2021
- 2021-12-17 CN CN202111552786.4A patent/CN114133255A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11240771A (en) * | 1998-02-27 | 1999-09-07 | Kyushu Refract Co Ltd | Baking repairing material |
| CN101348378A (en) * | 2008-08-29 | 2009-01-21 | 武汉钢铁(集团)公司 | Sol combined fire resistant repair material and repair method |
| CN102010212A (en) * | 2010-07-01 | 2011-04-13 | 北京利尔高温材料股份有限公司 | Heating furnace mending material and preparation method thereof |
| CN103449831A (en) * | 2013-08-29 | 2013-12-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Welding repair material for repairing coking furnace and method for repairing coking furnace |
| CN103482990A (en) * | 2013-09-06 | 2014-01-01 | 鞍钢股份有限公司 | Coke oven burner hot-repairing material and preparation method thereof |
| CN103833389A (en) * | 2013-11-26 | 2014-06-04 | 阜康市三工河乡樟兴新型耐火材料厂 | Waterless stemming and preparation method thereof |
| CN104725055A (en) * | 2013-12-20 | 2015-06-24 | 宝山钢铁股份有限公司 | MgO-Al2O3 based high-temperature thermal-state repairing material and application method thereof |
| CN105481395A (en) * | 2014-09-24 | 2016-04-13 | 上海宝钢工业技术服务有限公司 | Rapid-setting and quick-drying pumping material for mending blast furnace lining, and preparation method thereof |
| CN106242588A (en) * | 2016-07-14 | 2016-12-21 | 武汉钢铁股份有限公司 | Torpedo tank liner spray repair material for repairing and preparation method and application |
| CN107200595A (en) * | 2017-07-19 | 2017-09-26 | 河南郑耐新材料有限公司 | One kind is exempted to toast material for repairing |
| CN110563473A (en) * | 2019-10-14 | 2019-12-13 | 北京瑞普同创科技发展有限公司 | Novel cooling wall refractory material, preparation method and blast furnace cooling wall |
Non-Patent Citations (1)
| Title |
|---|
| 戴维等: "《铁合金工程技术》", 31 August 2015, 冶金工业出版社 * |
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