CN104829243A - Preparation method of prefabricated component at kiln port used for cement kiln - Google Patents
Preparation method of prefabricated component at kiln port used for cement kiln Download PDFInfo
- Publication number
- CN104829243A CN104829243A CN201510168709.7A CN201510168709A CN104829243A CN 104829243 A CN104829243 A CN 104829243A CN 201510168709 A CN201510168709 A CN 201510168709A CN 104829243 A CN104829243 A CN 104829243A
- Authority
- CN
- China
- Prior art keywords
- parts
- mullite
- prefabricated component
- hours
- preparation
- 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
Links
Abstract
The invention provides a preparation method of a prefabricated component at a kiln port used for a cement kiln, which can solve the problem of low service life of the current prefabricated component. The method comprises the following steps: stirring and mixing, casting and moulding, demoulding, maintaining, and processing under high temperature. The prefabricated component has the advantages of good volume stability, corrosion resistance and high temperature mechanical property, on-site assembling enables more simple and easier construction, steps of on-site stirring, casting or ramming can be directly omitted, construction time is saved, a construction field of a cement rotary kiln can not be influenced by construction environment and season due to installation of the prefabricated component at the kiln port, construction quality is ensured, and usage life of the kiln port can be effectively prolonged. The prefabricated component can be taken as an inner liner material, on-site construction disadvantage of pouring materials can be solved, construction quality can be fully ensured, quality problem due to nonstandard construction can be greatly reduced, and usage life of the kiln port can be greatly prolonged.
Description
Technical field
The present invention relates to fire resisting material field, particularly relate to a kind of preparation method of cement kiln kilneye prefabricated component.
Background technology
The refractory materials of cement kiln outlet in use, except will bearing more than 1400 DEG C high temperature, also need to bear chilling, anxious hot gas flow impacts, the destruction of Cement Clinker wearing and tearing and the mechanical stress such as high-temperature harmful gas caustic corrosion, thermal stresses and chemical erosion, working conditions is very harsh, requires that kilneye refractory materials must have good heat-shock resistance, wear resistance and alkali resistance.The damage main manifestations of kilneye lining body is cracking, peels off and denude, and there is vital impact in the work-ing life of kilneye fire resistant pouring material the running period on whole piece cement producing line.Current kilneye refractory materials majority adopts the preparation of cast-in-site technique, and rivet clasp that box hat is burn-on is followed closely, admixture Stainless-steel fibre refractory castable in mould material, by code construction and baking, meets the need of production of kilneye cylindrical shell lining.Material extensively adopts corundum and High-Alumina Stainless-steel fibre refractory castable, and its work-ing life was at about 2 ~ 8 months.Aluminium content in usual kilneye mould material is high, intensity is high, but heat-shock resistance is poor, easy to crack peels off, and work-ing life cannot ensure.Partial silicon nitride or silicon carbide is with the addition of in the document such as patent CN102531644A, CN104193371A, CN104163638A, CN103553666A, CN103011863A, CN102850063A, although contribute to the heat-shock resistance improving kilneye material, but because the wettability of silicon nitride and silicon carbide and other materials is poor, cause the intensity of kilneye material to reduce, and in use easily produce oxidation.In addition adopt mould material to carry out kilneye construction, require high to execution conditions, need shuttering supporting, and the material mixed must enter mould as early as possible vibrates, otherwise will harden, and the engineering time is longer.The curing time needed after construction is long, has had a strong impact on the normal operation of cement kiln.
Summary of the invention
The invention provides a kind of preparation method of cement kiln kilneye prefabricated component, be intended to solve lower problem of existing prefabricated component life-span.
In order to solve above technical problem, the present invention is achieved through the following technical solutions: a kind of preparation method of cement kiln kilneye prefabricated component, comprises the following steps successively:
A, by the zircon corundum of the zircon corundum of the mullite of the mullite of the mullite of 15 ~ 25 parts of 5 ~ 8mm, 15 ~ 20 parts of 3 ~ 5mm, 10 ~ 20 parts of 0 ~ 1mm, 10 ~ 15 parts of 1 ~ 3mm, 10 ~ 15 parts of 0 ~ 1mm, 6 ~ 10 parts are not more than 320 object zircon powder, 5 ~ 10 parts are not more than 320 object plate diamond spar powder, 4 ~ 7 parts of aluminous cements, 3 ~ 5 parts of aluminum oxide powders, 4 ~ 6 parts of silicon powders, 0.10 ~ 0.15 part of water reducer, 0.01 ~ 0.02 part of explosion-proof blending in of fibers become compound a;
B, add water stir in compound a, form mixture b, water is 4 ~ 5% in the mass percent of mixture b;
C, mixture b is poured into die for molding;
The demoulding after D, in a mold shaping 3.5 ~ 4.5 hours;
E, maintenance 47 ~ 49 hours;
F, after step e maintenance, be warmed up to 105 ~ 115 DEG C with the heat-up rate of 9 ~ 11 DEG C/h, be incubated 23.5 ~ 24.5 hours; Be warmed up to 345 ~ 355 DEG C with the heat-up rate of 13 ~ 15 DEG C/h again, be incubated 23.5 ~ 24.5 hours; Be warmed up to 600 ~ 620 DEG C with the heat-up rate of 19 ~ 21 DEG C/h again, be incubated 23.5 ~ 24.5 hours; Be warmed up to 800 ~ 820 DEG C with the heat-up rate of 24 ~ 26 DEG C/h again, be incubated 11.5 ~ 12.5 hours; Naturally cooling is lowered the temperature, obtained cement kiln kilneye prefabricated component.
Further, compound a comprise the mullite of 25 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 10 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 15 parts of 0 ~ 1mm zircon corundum, 6 parts be not more than 320 object zircon powder, 7 parts be not more than 320 object plate diamond spar powder, 4 parts of aluminous cements, 3 parts of aluminum oxide powders, 4 parts of silicon powders, 0.10 part of water reducer, 0.02 part of explosion-proof fiber.The cement kiln outlet prefabricated component prepared by this proportioning has good thermal shock resistance and wear resisting property.
Further, compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 20 parts of 3 ~ 5mm, the mullite of 10 parts of 0 ~ 1mm, the zircon corundum of 15 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 10 parts be not more than 320 object zircon powder, 5 parts be not more than 320 object plate diamond spar powder, 7 parts of aluminous cements, 4 parts of aluminum oxide powders, 4 parts of silicon powders, 0.15 part of water reducer, 0.01 part of explosion-proof fiber.It is high that the cement kiln outlet prefabricated component prepared by this proportioning has intensity, the features such as erosion resistibility is strong, can work-ing life of significant prolongation kilneye.
Further, compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 18 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 7 parts be not more than 320 object zircon powder, 10 parts be not more than 320 object plate diamond spar powder, 4 parts of aluminous cements, 5 parts of aluminum oxide powders, 6 parts of silicon powders, 0.12 part of water reducer, 0.01 part of explosion-proof fiber.The cement kiln outlet prefabricated component prepared by this proportioning has good alkali resistant erosional competency and erosion resistibility.
Further, compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 20 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 8 parts be not more than 320 object zircon powder, 7 parts be not more than 320 object plate diamond spar powder, 6 parts of aluminous cements, 4 parts of aluminum oxide powders, 5 parts of silicon powders, 0.15 part of water reducer, 0.02 part of explosion-proof fiber.It is large that the cement kiln outlet prefabricated component prepared by this proportioning has volume density, and thermal shock resistance waits remarkable advantage well.
Further, ZrO in described zircon corundum
2mass percentage is 20 ~ 30%.
Further, described mullite is fused mullite, Al in mullite
2o
3mass percentage>=68%.
Further, Al in described aluminous cement
2o
3mass percentage>=68%.
Further, the demoulding after shaping 4 hours in step D; Maintenance 48 hours in step e; In step F, after product maintenance, be warmed up to 110 DEG C with the heat-up rate of 10 DEG C/h, be incubated 24 hours; Be warmed up to 350 DEG C with the heat-up rate of 15 DEG C/h again, be incubated 24 hours; Be warmed up to 610 DEG C with the heat-up rate of 20 DEG C/h again, be incubated 24 hours; Be warmed up to 810 DEG C with the heat-up rate of 25 DEG C/h again, be incubated 12 hours; Naturally cooling is lowered the temperature.This preparation technology can ensure giving full play to of prefabricated component intensity, avoids the seminess produced in bake process.
Compared with prior art advantage of the present invention is: cement kiln outlet prefabricated component prepared by the present invention adopts zircon corundum and mullite as the material of main part of kilneye prefabricated component, achieving zirconia dispersion is distributed in the aggregate of kilneye prefabricated component, activeness and quietness effect is served to the aggregate in kilneye material and matrix simultaneously, improves alkali attack and the heat-resistant knocking stability of kilneye material.Adopt prefabricated component as the inner lining material of kilneye simultaneously, solve the shortcoming of mould material site operation, fully can ensure construction quality, significantly reduce because of the quality problems caused lack of standardization of constructing, substantially prolongs the work-ing life of kilneye.
Cement kiln kilneye prefabricated component prepared by the present invention has good volume stability, solidity to corrosion and mechanical behavior under high temperature, on-site consolidation makes construction easier and easily carries out, directly eliminate the steps such as Site, cast or ramming, save the engineering time, and the installation of kilneye prefabricated component makes the working-yard of cement rotary kiln not by construction environment and the impact in season, ensure that construction quality, effectively extend the work-ing life of kilneye.
Embodiment
Embodiment one:
A preparation method for cement kiln kilneye prefabricated component, comprises the following steps successively:
A, by the zircon corundum of the zircon corundum of the mullite of the mullite of the mullite of 25 parts of 5 ~ 8mm, 15 parts of 3 ~ 5mm, 10 parts of 0 ~ 1mm, 10 parts of 1 ~ 3mm, 15 parts of 0 ~ 1mm, 6 parts are not more than 320 object zircon powder, 7 parts are not more than 320 object plate diamond spar powder, 4 parts of aluminous cements, 3 parts of aluminum oxide powders, 4 parts of silicon powders, 0.10 part of water reducer, 0.02 part of explosion-proof blending in of fibers become compound a;
B, add water stir in compound a, form mixture b, water is 4 ~ 5% in the mass percent of mixture b;
C, mixture b is poured into die for molding;
The demoulding after D, in a mold shaping 4 hours;
E, maintenance 48 hours;
F, after step e maintenance, be warmed up to 110 DEG C with the heat-up rate of 10 DEG C/h, be incubated 24 hours; Be warmed up to 350 DEG C with the heat-up rate of 15 DEG C/h again, be incubated 24 hours; Be warmed up to 610 DEG C with the heat-up rate of 20 DEG C/h again, be incubated 24 hours; Be warmed up to 810 DEG C with the heat-up rate of 25 DEG C/h again, be incubated 12 hours; Naturally cooling is lowered the temperature.
In described zircon corundum, ZrO2 mass percentage is 20 ~ 30%.Described mullite is fused mullite, Al2O3 mass percentage >=68% in mullite.Al2O3 mass percentage >=68% in described aluminous cement.Water is 4% in the mass percent of mixture b.
Embodiment two:
Be with the difference of other embodiment: compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 20 parts of 3 ~ 5mm, the mullite of 10 parts of 0 ~ 1mm, the zircon corundum of 15 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 10 parts be not more than 320 object zircon powder, 5 parts be not more than 320 object plate diamond spar powder, 7 parts of aluminous cements, 4 parts of aluminum oxide powders, 4 parts of silicon powders, 0.15 part of water reducer, 0.01 part of explosion-proof fiber.Water is 5% in the mass percent of mixture b.
Embodiment three:
Be with the difference of other embodiment: compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 18 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 7 parts be not more than 320 object zircon powder, 10 parts be not more than 320 object plate diamond spar powder, 4 parts of aluminous cements, 5 parts of aluminum oxide powders, 6 parts of silicon powders, 0.12 part of water reducer, 0.01 part of explosion-proof fiber.Water is 4.3% in the mass percent of mixture b.
Embodiment four:
Be with the difference of other embodiment: compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 20 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 8 parts be not more than 320 object zircon powder, 7 parts be not more than 320 object plate diamond spar powder, 6 parts of aluminous cements, 4 parts of aluminum oxide powders, 5 parts of silicon powders, 0.15 part of water reducer, 0.02 part of explosion-proof fiber.Water is 4.8% in the mass percent of mixture b.
Cement kiln kilneye prefabricated component prepared by the present invention has good volume stability, solidity to corrosion and mechanical behavior under high temperature, on-site consolidation makes construction easier and easily carries out, directly eliminate the steps such as Site, cast or ramming, save the engineering time, and the installation of kilneye prefabricated component makes the working-yard of cement rotary kiln not by construction environment and the impact in season, ensure that construction quality, effectively extend the work-ing life of kilneye.
The foregoing is only specific embodiments of the invention, but technical characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (9)
1. a cement kiln preparation method for kilneye prefabricated component, is characterized in that: comprise the following steps successively:
A, by the zircon corundum of the zircon corundum of the mullite of the mullite of the mullite of 15 ~ 25 parts of 5 ~ 8mm, 15 ~ 20 parts of 3 ~ 5mm, 10 ~ 20 parts of 0 ~ 1mm, 10 ~ 15 parts of 1 ~ 3mm, 10 ~ 15 parts of 0 ~ 1mm, 6 ~ 10 parts are not more than 320 object zircon powder, 5 ~ 10 parts are not more than 320 object plate diamond spar powder, 4 ~ 7 parts of aluminous cements, 3 ~ 5 parts of aluminum oxide powders, 4 ~ 6 parts of silicon powders, 0.10 ~ 0.15 part of water reducer, 0.01 ~ 0.02 part of explosion-proof blending in of fibers become compound a;
B, add water stir in compound a, form mixture b, water is 4 ~ 5% in the mass percent of mixture b;
C, mixture b is poured into die for molding;
The demoulding after D, in a mold shaping 3.5 ~ 4.5 hours;
E, maintenance 47 ~ 49 hours;
F, after step e maintenance, be warmed up to 105 ~ 115 DEG C with the heat-up rate of 9 ~ 11 DEG C/h, be incubated 23.5 ~ 24.5 hours; Be warmed up to 345 ~ 355 DEG C with the heat-up rate of 13 ~ 15 DEG C/h again, be incubated 23.5 ~ 24.5 hours; Be warmed up to 600 ~ 620 DEG C with the heat-up rate of 19 ~ 21 DEG C/h again, be incubated 23.5 ~ 24.5 hours; Be warmed up to 800 ~ 820 DEG C with the heat-up rate of 24 ~ 26 DEG C/h again, be incubated 11.5 ~ 12.5 hours; Naturally cooling is lowered the temperature, obtained cement kiln kilneye prefabricated component.
2. the preparation method of a kind of cement kiln kilneye prefabricated component according to claim 1, is characterized in that: compound a comprise the mullite of 25 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 10 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 15 parts of 0 ~ 1mm zircon corundum, 6 parts be not more than 320 object zircon powder, 7 parts be not more than 320 object plate diamond spar powder, 4 parts of aluminous cements, 3 parts of aluminum oxide powders, 4 parts of silicon powders, 0.10 part of water reducer, 0.02 part of explosion-proof fiber.
3. the preparation method of a kind of cement kiln kilneye prefabricated component according to claim 1, is characterized in that: compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 20 parts of 3 ~ 5mm, the mullite of 10 parts of 0 ~ 1mm, the zircon corundum of 15 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 10 parts be not more than 320 object zircon powder, 5 parts be not more than 320 object plate diamond spar powder, 7 parts of aluminous cements, 4 parts of aluminum oxide powders, 4 parts of silicon powders, 0.15 part of water reducer, 0.01 part of explosion-proof fiber.
4. the preparation method of a kind of cement kiln kilneye prefabricated component according to claim 1, is characterized in that: compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 18 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 7 parts be not more than 320 object zircon powder, 10 parts be not more than 320 object plate diamond spar powder, 4 parts of aluminous cements, 5 parts of aluminum oxide powders, 6 parts of silicon powders, 0.12 part of water reducer, 0.01 part of explosion-proof fiber.
5. the preparation method of a kind of cement kiln kilneye prefabricated component according to claim 1, is characterized in that: compound a comprise the mullite of 15 parts of 5 ~ 8mm, the mullite of 15 parts of 3 ~ 5mm, the mullite of 20 parts of 0 ~ 1mm, the zircon corundum of 10 parts of 1 ~ 3mm, 10 parts of 0 ~ 1mm zircon corundum, 8 parts be not more than 320 object zircon powder, 7 parts be not more than 320 object plate diamond spar powder, 6 parts of aluminous cements, 4 parts of aluminum oxide powders, 5 parts of silicon powders, 0.15 part of water reducer, 0.02 part of explosion-proof fiber.
6. the preparation method of a kind of cement kiln kilneye prefabricated component according to claim 1, is characterized in that: ZrO in described zircon corundum
2mass percentage is 20 ~ 30%.
7. the preparation method of a kind of cement kiln kilneye prefabricated component according to claim 1, is characterized in that: described mullite is fused mullite, Al in mullite
2o
3mass percentage>=68%.
8. the preparation method of a kind of cement kiln kilneye prefabricated component according to claim 1, is characterized in that: Al in described aluminous cement
2o
3mass percentage>=68%.
9., according to the preparation method of the arbitrary described a kind of cement kiln kilneye prefabricated component of claim 1 to 8, it is characterized in that: the demoulding after shaping 4 hours in step D; Maintenance 48 hours in step e; In step F, after product maintenance, be warmed up to 110 DEG C with the heat-up rate of 10 DEG C/h, be incubated 24 hours; Be warmed up to 350 DEG C with the heat-up rate of 15 DEG C/h again, be incubated 24 hours; Be warmed up to 610 DEG C with the heat-up rate of 20 DEG C/h again, be incubated 24 hours; Be warmed up to 810 DEG C with the heat-up rate of 25 DEG C/h again, be incubated 12 hours; Naturally cooling is lowered the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168709.7A CN104829243A (en) | 2015-04-10 | 2015-04-10 | Preparation method of prefabricated component at kiln port used for cement kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168709.7A CN104829243A (en) | 2015-04-10 | 2015-04-10 | Preparation method of prefabricated component at kiln port used for cement kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104829243A true CN104829243A (en) | 2015-08-12 |
Family
ID=53807496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168709.7A Pending CN104829243A (en) | 2015-04-10 | 2015-04-10 | Preparation method of prefabricated component at kiln port used for cement kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104829243A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679427A (en) * | 2016-12-29 | 2017-05-17 | 安徽芜湖海螺建筑安装工程有限责任公司 | Construction method for refractory material of kiln opening of rotary cement kiln |
| CN107188579A (en) * | 2017-06-28 | 2017-09-22 | 长兴鑫迪耐火材料厂 | A kind of wear-resisting preformed bricks |
| CN110698185A (en) * | 2019-10-25 | 2020-01-17 | 唐山金山腾宇科技有限公司 | Light corundum-mullite composite refractory material for blast furnace air supply device |
| CN111960831A (en) * | 2020-08-21 | 2020-11-20 | 浙江锦诚新材料股份有限公司 | Spray coating for cement kiln preheater |
| CN112851353A (en) * | 2021-01-20 | 2021-05-28 | 浙江正豪耐火材料股份有限公司 | Microcrystal metal ceramic plate and production process thereof |
| CN113290212A (en) * | 2021-04-14 | 2021-08-24 | 山西太钢不锈钢股份有限公司 | Method for forming bottom of casting ingot in smelting process of vacuum induction furnace |
-
2015
- 2015-04-10 CN CN201510168709.7A patent/CN104829243A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679427A (en) * | 2016-12-29 | 2017-05-17 | 安徽芜湖海螺建筑安装工程有限责任公司 | Construction method for refractory material of kiln opening of rotary cement kiln |
| CN107188579A (en) * | 2017-06-28 | 2017-09-22 | 长兴鑫迪耐火材料厂 | A kind of wear-resisting preformed bricks |
| CN110698185A (en) * | 2019-10-25 | 2020-01-17 | 唐山金山腾宇科技有限公司 | Light corundum-mullite composite refractory material for blast furnace air supply device |
| CN111960831A (en) * | 2020-08-21 | 2020-11-20 | 浙江锦诚新材料股份有限公司 | Spray coating for cement kiln preheater |
| CN112851353A (en) * | 2021-01-20 | 2021-05-28 | 浙江正豪耐火材料股份有限公司 | Microcrystal metal ceramic plate and production process thereof |
| CN113290212A (en) * | 2021-04-14 | 2021-08-24 | 山西太钢不锈钢股份有限公司 | Method for forming bottom of casting ingot in smelting process of vacuum induction furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104829245A (en) | Kilneye prefabricated component for cement kiln | |
| CN104829243A (en) | Preparation method of prefabricated component at kiln port used for cement kiln | |
| CN101445379B (en) | Dedicated pouring material for cement kiln outlet and jetting coal pipe and preparation method thereof | |
| CN104326758B (en) | A kind of high temperature resistant anti-thermal shock pipeline of iron-making heat wind furnace and preparation method thereof | |
| CN101830719B (en) | Explosion-proof iron runner castable | |
| CN103664205B (en) | Thermal shock-resistant low-expansion andalusite castable | |
| CN102173843B (en) | Prefabricated part of coal injection pipe head | |
| CN107512918A (en) | A kind of preformed bricks of resource reusing | |
| CN100391902C (en) | Silicon carbide corundum pouring material | |
| CN102659420A (en) | Corundum pouring material for kilneye of cement kiln and using method thereof | |
| CN108249931A (en) | A kind of high-strength high abrasion prefabricated component and preparation method | |
| CN108218447A (en) | A kind of high-strength high abrasion prefabricated component | |
| CN108046817A (en) | A kind of parapet quick change abrasion-proof prefabricated component | |
| CN105237018B (en) | A kind of wear-resisting anti-erosion castable of triple air hose of cement kiln | |
| CN103755366A (en) | Permanent lining castable of tundish | |
| CN104829242A (en) | Preparation method of tertiary air duct curve prefabricated component used for cement kiln | |
| CN108069721A (en) | A kind of high-performance low-heat leads preformed bricks | |
| CN104944990A (en) | Casting material | |
| CN105000898A (en) | Blast furnace iron hook castable and preparation method thereof | |
| CN105254318B (en) | A kind of ferro-magnesium-aluminum spinelle coal injection pipe prefabricated component | |
| CN104829249A (en) | Method for preparing high-alumina refractory brick | |
| CN104829244A (en) | Tertiary air duct curve prefabricated component for cement kiln | |
| CN102503458B (en) | Silicon carbide anti-skinning anti-plugging casting material and preparation method thereof | |
| CN102079636B (en) | Preparation method of high-temperature wear-resistant valve plate special for tertiary air duct of rotary cement kiln | |
| CN105541361A (en) | Refractory brick and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 313100 new industrial park, pheasant City, Huzhou, Zhejiang, Changxing County Applicant after: Zhejiang Jincheng new material Limited by Share Ltd Address before: 313100, Huzhou, Changxing County, Zhejiang province pheasant Town Industrial Zone Zhejiang Jincheng refractory materials Co., Ltd. Applicant before: Zhejiang Jincheng Refractories Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150812 |
|
| WD01 | Invention patent application deemed withdrawn after publication |