CN107759203A - A kind of environmentally-friendly water-based gravity flow mending material and preparation method thereof - Google Patents
A kind of environmentally-friendly water-based gravity flow mending material and preparation method thereof Download PDFInfo
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- CN107759203A CN107759203A CN201711179765.6A CN201711179765A CN107759203A CN 107759203 A CN107759203 A CN 107759203A CN 201711179765 A CN201711179765 A CN 201711179765A CN 107759203 A CN107759203 A CN 107759203A
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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
- C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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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
- C04B2235/3418—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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- 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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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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
- C04B2235/70—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
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Abstract
The invention discloses a kind of environmentally-friendly water-based gravity flow mending material and preparation method thereof, the mending material includes following components：Middle-grade magnesite clinker 5 ~ 50%, 97 fused magnesites 10 ~ 45%, 98 fused magnesites 10 ~ 30%, silicon powder 4 ~ 9%, white carbon 2 ~ 6%, 98 metallic silicons 5 ~ 8%, Reactive alumina 5 ~ 8%, aluminium Ludox 6 ~ 15%, SD80 0.5 ~ 2%, lignin 1 ~ 3%；Middle-grade magnesite clinker is made up of three kinds of grain compositions：5‑3mm 10~40%；3‑1mm 20~60%；1‑0mm 30~60%；97 fused magnesites are made up of three kinds of grain compositions：5‑3mm 10~40%；3‑1mm 15~50%；1‑0mm 15~60%；The granularity of 98 fused magnesites is 180 320 mesh.The good fluidity of the mending material, sintering time is short, and corrosion resistance is good, service life length.
Description
Technical field
The invention belongs to amorphous refractory field, and in particular to a kind of environmentally-friendly water-based gravity flow mending material, and should
The preparation method of environmentally-friendly water-based gravity flow mending material.
Background technology
Now with the lasting integration of China's steel industry and develop rapidly, the expanding production again of iron and steel enterprise is with being faced
Environmental protection, the coordination of the energy and social relationships be just increasingly becoming a critical problem.
Converter is in the center of STEELMAKING PRODUCTION flow, is one of capital equipment of steel mill.Steelmaking converter furnace lining is mainly by magnesium
Carbon brick, which is built by laying bricks or stones, to be formed, and in steelmaking process, the refractory material of the loading side of converter, tapping side and furnace bottom is in the condition of high temperature for a long time
Under, and by mechanical force impact and the erosion repeatedly, the loss that temperature fast transition is brought etc. of clinker, molten steel, its structure is easily
Destroyed, so as to cause converter lining life to reduce.
At present, 8~10 heats are often made steel in most of converters both domestic and external must just carry out furnace bottom and the repairing of big face.For turning
The traditional material combination system of the big face repairing of stove is divided into：Organically combine and inorganic combination.The material for repairing of inorganic combination has flowing
Property good, firm time that volatile matter is few and shorter, but due to the addition of low melting point inorganic salts, cause the life-span not high-leveled and difficult to meet to make
With requiring.Therefore, Large face repair material of converter used in field patch at present, mainly with coal tar, pitch（About 8%~15%）、
The organic substances such as resin are as bonding agent.Wherein, the mobility of asphalt series is preferable；The anti-scour property of resin is excellent, scene
Operation is easy, and fettling is rapid, but the problem of sintering time is long all be present.
No matter which kind of organic bond is all inevitably present：Material hole is more after organic matter is burnt out, compactness is poor, and
Cause short intolerant to slag action, low intensity, service life；A large amount of yellow noxious fumes caused by organic bond simultaneously, sternly
Heavily contaminated scene workshop condition, and very ill effect, and being needed in work progress is produced to the health of the staff of steel mill
Carried out with grate, sintering time length, construction is not easy to operate.Therefore, a kind of carbon-free environment-friendly type converter of novel long-life of research and development is needed badly
Big face material for repairing.
The content of the invention
For deficiencies of the prior art, it is an object of the invention to provide a kind of environmentally-friendly water-based gravity flow fettling
Material, and the preparation method of the environmentally-friendly water-based gravity flow mending material.By the magnesite clinker and the electric smelting that select suitable particles grading
Magnesia is main material, is combined with raw materials such as specific bonding agents, and mending material good fluidity is made, and repairing liner body structure is fine and close,
Corrosion resistance is good, pollution-free, and sintering time is short and service life is grown.
The first aspect of the present invention provides a kind of environmentally-friendly water-based gravity flow mending material, comprising percentage with
Lower component：Middle-grade magnesite clinker 5 ~ 50%, 97 fused magnesites 10 ~ 45%, 98 fused magnesites 10 ~ 30%, silicon powder 4 ~ 9%, white carbon 2
~ 6%, 98 metallic silicons 5 ~ 8%, Reactive alumina 5 ~ 8%, aluminium Ludox 6 ~ 15%, SD 80 0.5 ~ 2%, lignin 1 ~ 3%；
The middle-grade magnesite clinker is made up of three kinds of grain compositions, the granularity of each granular-grade and the weight hundred for accounting for middle-grade magnesite clinker
Point ratio is：5-3mm 10~40%；3-1mm 20~60%；1-0mm 30~60%；
97 fused magnesite is made up of three kinds of grain compositions, the granularity of each granular-grade and the percentage by weight for accounting for 97 fused magnesites
For：5-3mm 10~40%；3-1mm 15~50%；1-0mm 15~60%；
The granularity of 98 fused magnesite is：180-320 mesh.
Under preferable case, the environmentally-friendly water-based gravity flow mending material includes the following components of percentage：Middle-grade
Magnesite clinker 10 ~ 40%, 97 fused magnesites 10 ~ 35%, 98 fused magnesites 15 ~ 20%, silicon powder 5 ~ 8%, white carbon 3 ~ 5%, 98 metals
Silicon 6 ~ 8%, Reactive alumina 6 ~ 8%, aluminium Ludox 6 ~ 12%, SD 80 0.8 ~ 1.5%, lignin 1.5 ~ 3%；
The middle-grade magnesite clinker is made up of three kinds of grain compositions, the granularity of each granular-grade and the weight hundred for accounting for middle-grade magnesite clinker
Point ratio is：5-3mm 15~30%；3-1mm 20~50%；1-0mm 20~45%；
97 fused magnesite is made up of three kinds of grain compositions, the granularity of each granular-grade and the percentage by weight for accounting for 97 fused magnesites
For：5-3mm 10~30%；3-1mm 15~45%；1-0mm 20~50%；
The granularity of 98 fused magnesite is：200-300 mesh.
According to the present invention, the granularity of the silicon powder can 1 μm of ＜.
According to the present invention, the granularity of 98 metallic silicon can be 200-300 mesh, preferably 250 mesh.
According to the present invention, the granularity of the Reactive alumina can be 2-5 μm.
According to the present invention, in order to ensure the viscosity of aluminium Ludox, the alumina silica ratio of the aluminium Ludox can be 0.1-0.25, excellent
Elect 0.2-0.25 as.
In the present invention, the aluminium Ludox, SD 80 and lignin as bonding agent, environment friendly and pollution-free, obtained material
Good fluidity.
The second aspect of the present invention provides a kind of preparation method of environmentally-friendly water-based gravity flow mending material, including following step
Suddenly：
Component according to above-mentioned environmentally-friendly water-based gravity flow mending material carries out charging mixing, first by middle-grade magnesite clinker, 97 electric smelting
Magnesia, 98 fused magnesites, silicon powder, white carbon, 98 metallic silicons and Reactive alumina are well mixed, and obtain mixed material；
Aluminium Ludox, SD 80 and lignin are mixed with the mixed material again, obtain the environmentally-friendly water-based gravity flow mending material.
According to the present invention, batch mixing is carried out using forced concrete mixer.
In the present invention, the environmentally-friendly water-based gravity flow mending material is when in use, it is necessary to which scene mixing, is then placed on table
Charging hopper, be poured into stove, shake body of heater, self-flowing material flow automatically in stove and sprawl, shake body of heater repeatedly, until flow automatically
Expect that stopping flowing at the furnace lining position of required repairing paves.Sintering through furnace high-temperature after a while, treat that there is no water
Steam escapes, you can load a small amount of molten iron or carry out oxygen blast and help burnings, make repairing sclerosis and produce higher intensity, be allowed to and
Original furnace lining material repairing face is firmly cohered, fully to improve its service life.Then steel scrap and molten iron are added, that is, is started just
Often use.
The physical and chemical index of environmentally-friendly water-based gravity flow mending material produced by the present invention is as shown in table 1：
Table 1
Compared with prior art, beneficial point of the invention is：
1st, the magnesite clinker of mending material of the invention selection suitable particles grading and fused magnesite are main material, with white carbon, gold
Category silicon etc. is combined, and is used as bonding agent, the obtained carbon-free water base big face of gravity flow of environment-friendly type using environment protection liquid Nano sol etc.
Material：Good fluidity, the interior gravity flow of stove is sprawled, without grate repeatedly；Sintering time is short, is usually no more than 30min, and sinters fully,
Splash hidden danger caused by preventing sandwich of layers；Aobvious porosity is low, and repairing liner body structure is fine and close, and corrosion resistance is good, and service life is significantly
Improve；Ceramic bond, oxidizing atmosphere binding ability are unaffected.
2nd, gravity flow mending material of the invention is environment friendly and pollution-free, without tar, pitch, will not bring the impurity such as S, C into stove,
Sintering process does not produce smog and toxic gas, does not pollute construction environment.
3rd, preparation method of the invention is easy, and technological operation is simple and easy.
Embodiment
Technical scheme is clearly and completely described below in conjunction with the embodiment of the present invention, it is clear that retouched
The embodiment stated is only part of the embodiment of the present invention, rather than whole embodiments.
In the following Examples and Comparative Examples：
1 μm of the granularity ＜ of the silicon powder of use；
The granularity of 98 metallic silicons is 250 mesh；
The alumina silica ratio of aluminium Ludox is 0.25；
Embodiment 1
The present embodiment is used to illustrate environmentally-friendly water-based gravity flow mending material of the present invention and preparation method thereof.
The environmentally-friendly water-based gravity flow mending material includes the following components of percentage：Middle-grade magnesite clinker 30%, 97
Fused magnesite 20%, 98 fused magnesites 15%, silicon powder 6%, white carbon 5%, 98 metallic silicons 6%, Reactive alumina 7%, aluminium silicon
Colloidal sol 8.5%, SD 80 1%, lignin 1.5%；The middle-grade magnesite clinker is made up of three kinds of grain compositions, the grain of each granular-grade
The percentage by weight spent and account for middle-grade magnesite clinker is：5-3mm 30%；3-1mm 35%；1-0mm 35%；97 fused magnesite
It is made up of three kinds of grain compositions, the granularity of each granular-grade and accounts for the percentage by weights of 97 fused magnesites and be：5-3mm 20%；3-1mm
35%；1-0mm 45%；The granularity of 98 fused magnesite is：250 mesh.
Preparation method comprises the following steps：
Above-mentioned material is mixed using forced concrete mixer, charging sequence is first by middle-grade magnesite clinker, 97 electricity
Fused magnesia, 98 fused magnesites, silicon powder, white carbon, 98 metallic silicons and Reactive alumina are well mixed, and obtain mixture
Material；Aluminium Ludox, SD 80 and lignin are mixed with the mixed material again, obtain the environmentally-friendly water-based gravity flow mending material.
Embodiment 2
The present embodiment is used to illustrate environmentally-friendly water-based gravity flow mending material of the present invention and preparation method thereof.
The environmentally-friendly water-based gravity flow mending material includes the following components of percentage：Middle-grade magnesite clinker 15%, 97
Fused magnesite 28%, 98 fused magnesites 19%, silicon powder 8%, white carbon 3%, 98 metallic silicons 8%, Reactive alumina 6%, aluminium silicon
Colloidal sol 10%, SD 80 1%, lignin 2%；The middle-grade magnesite clinker is made up of three kinds of grain compositions, the granularity of each granular-grade and
The percentage by weight for accounting for middle-grade magnesite clinker is：5-3mm 15%；3-1mm 45%；1-0mm 40%；97 fused magnesite is by three
Kind of grain composition is formed, and the granularity of each granular-grade and is accounted for the percentage by weights of 97 fused magnesites and is：5-3mm 15%；3-1mm
45%；1-0mm 40%；The granularity of 98 fused magnesite is：250 mesh.
Preparation method comprises the following steps：
Above-mentioned material is mixed using forced concrete mixer, charging sequence is first by middle-grade magnesite clinker, 97 electricity
Fused magnesia, 98 fused magnesites, silicon powder, white carbon, 98 metallic silicons and Reactive alumina are well mixed, and obtain mixture
Material；Aluminium Ludox, SD 80 and lignin are mixed with the mixed material again, obtain the environmentally-friendly water-based gravity flow mending material.
Embodiment 3
The present embodiment is used to illustrate environmentally-friendly water-based gravity flow mending material of the present invention and preparation method thereof.
The environmentally-friendly water-based gravity flow mending material includes the following components of percentage：Middle-grade magnesite clinker 35%, 97
Fused magnesite 20%, 98 fused magnesites 15%, silicon powder 5%, white carbon 3%, 98 metallic silicons 6%, Reactive alumina 6%, aluminium silicon
Colloidal sol 6%, SD 80 1%, lignin 3%；The middle-grade magnesite clinker is made up of three kinds of grain compositions, the granularity of each granular-grade and
The percentage by weight for accounting for middle-grade magnesite clinker is：5-3mm 15%；3-1mm 45%；1-0mm 40%；97 fused magnesite is by three
Kind of grain composition is formed, and the granularity of each granular-grade and is accounted for the percentage by weights of 97 fused magnesites and is：5-3mm 30%；3-1mm
35%；1-0mm 35%；The granularity of 98 fused magnesite is：250 mesh.
Preparation method comprises the following steps：
Above-mentioned material is mixed using forced concrete mixer, charging sequence is first by middle-grade magnesite clinker, 97 electricity
Fused magnesia, 98 fused magnesites, silicon powder, white carbon, 98 metallic silicons and Reactive alumina are well mixed, and obtain mixture
Material；Aluminium Ludox, SD 80 and lignin are mixed with the mixed material again, obtain the environmentally-friendly water-based gravity flow mending material.
Comparative example 1
The mending material of this comparative example includes the following components of percentage：Middle-grade magnesite clinker 30%, 97 fused magnesites
20%th, 98 fused magnesites 15%, silicon powder 6%, white carbon 5%, 98 metallic silicons 6%, Reactive alumina 7%, SD 80 9.5%, wood
Quality 1.5%；The middle-grade magnesite clinker is made up of three kinds of grain compositions, the granularity of each granular-grade and accounts for middle-grade magnesite clinker
Percentage by weight is：5-3mm 30%；3-1mm 35%；1-0mm 35%；97 fused magnesite is made up of three kinds of grain compositions,
The granularity of each granular-grade and account for the percentage by weights of 97 fused magnesites and be：5-3mm 20%；3-1mm 35%；1-0mm 45%；It is described
The granularity of 98 fused magnesites is：250 mesh.
Preparation method comprises the following steps：
Above-mentioned material is mixed using forced concrete mixer, charging sequence is first by middle-grade magnesite clinker, 97 electricity
Fused magnesia, 98 fused magnesites, silicon powder, white carbon, 98 metallic silicons and Reactive alumina are well mixed, and obtain mixture
Material；SD 80 and lignin are mixed with the mixed material again, obtain the environmentally-friendly water-based gravity flow mending material.
Comparative example 2
The mending material of this comparative example includes the following components of percentage：Middle-grade magnesite clinker 30%, 97 fused magnesites
20%th, 98 fused magnesites 15%, silicon powder 6%, white carbon 5%, 98 metallic silicons 6%, Reactive alumina 7%, aluminium Ludox 8.5%,
SD 80 1%, lignin 1.5%；The middle-grade magnesite clinker is made up of two kinds of particles grading, the granularity of each granular-grade and accounts for middle-grade
The percentage by weight of magnesite clinker is：5-3mm 55%；1-0mm 45%；The granularity of 97 fused magnesite is：5-3mm；It is described
The granularity of 98 fused magnesites is：250 mesh.
Preparation method comprises the following steps：
Above-mentioned material is mixed using forced concrete mixer, charging sequence is first by middle-grade magnesite clinker, 97 electricity
Fused magnesia, 98 fused magnesites, silicon powder, white carbon, 98 metallic silicons and Reactive alumina are well mixed, and obtain mixture
Material；Aluminium Ludox, SD 80 and lignin are mixed with the mixed material again, obtain the environmentally-friendly water-based gravity flow mending material.
The performance of mending material made from above-described embodiment and comparative example is detected according to relevant criterion, as a result as shown in table 2.
Table 2
Note：1. after 1400 DEG C × 3h processing；2. test temperature is 1400 DEG C.
From the data of table 2, with being added without the comparative example 1 of aluminium Ludox, and pair of appropriate particle size proportioning is not added
Ratio 2 is compared, and mending material made from 1-3 of the embodiment of the present invention has preferable mobility, and sintering time is short, and aobvious porosity is low, makes
Use long lifespan.
It is described above embodiments of the invention, described above is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.In the case of the scope and spirit without departing from illustrated embodiment, for the art
Many modifications and changes will be apparent from for those of ordinary skill.
Claims (8)
- A kind of 1. environmentally-friendly water-based gravity flow mending material, it is characterised in that the following components comprising percentage：Middle-grade is burnt Tie magnesia 5 ~ 50%, 97 fused magnesites 10 ~ 45%, 98 fused magnesites 10 ~ 30%, silicon powder 4 ~ 9%, white carbon 2 ~ 6%, 98 metallic silicons 5 ~ 8%, Reactive alumina 5 ~ 8%, aluminium Ludox 6 ~ 15%, SD 80 0.5 ~ 2%, lignin 1 ~ 3%；The middle-grade magnesite clinker is made up of three kinds of grain compositions, the granularity of each granular-grade and the weight hundred for accounting for middle-grade magnesite clinker Point ratio is：5-3mm 10~40%；3-1mm 20~60%；1-0mm 30~60%；97 fused magnesite is made up of three kinds of grain compositions, the granularity of each granular-grade and the percentage by weight for accounting for 97 fused magnesites For：5-3mm 10~40%；3-1mm 15~50%；1-0mm 15~60%；The granularity of 98 fused magnesite is：180-320 mesh.
- 2. environmentally-friendly water-based gravity flow mending material according to claim 1, it is characterised in that include percentage Following components：Middle-grade magnesite clinker 10 ~ 40%, 97 fused magnesites 10 ~ 35%, 98 fused magnesites 15 ~ 20%, silicon powder 5 ~ 8%, hard charcoal Black 3 ~ 5%, 98 metallic silicons 6 ~ 8%, Reactive alumina 6 ~ 8%, aluminium Ludox 6 ~ 12%, SD 80 0.8 ~ 1.5%, lignin 1.5 ~3%；The middle-grade magnesite clinker is made up of three kinds of grain compositions, the granularity of each granular-grade and the weight hundred for accounting for middle-grade magnesite clinker Point ratio is：5-3mm 15~30%；3-1mm 20~50%；1-0mm 20~45%；97 fused magnesite is made up of three kinds of grain compositions, the granularity of each granular-grade and the percentage by weight for accounting for 97 fused magnesites For：5-3mm 10~30%；3-1mm 15~45%；1-0mm 20~50%；The granularity of 98 fused magnesite is：200-300 mesh.
- 3. environmentally-friendly water-based gravity flow mending material according to claim 1 or 2, it is characterised in that：The granularity of the silicon powder 1 μm of ＜.
- 4. environmentally-friendly water-based gravity flow mending material according to claim 1 or 2, it is characterised in that：The grain of 98 metallic silicon Spend for 200-300 mesh.
- 5. environmentally-friendly water-based gravity flow mending material according to claim 1 or 2, it is characterised in that：The activated alumina is micro- The granularity of powder is 2-5 μm.
- 6. environmentally-friendly water-based gravity flow mending material according to claim 1 or 2, it is characterised in that：The aluminium of the aluminium Ludox Silicon ratio is 0.1-0.25.
- 7. a kind of preparation method of environmentally-friendly water-based gravity flow mending material, it is characterised in that comprise the following steps：Component according to the environmentally-friendly water-based gravity flow mending material described in any one in claim 1-6 carries out charging mixing, first Middle-grade magnesite clinker, 97 fused magnesites, 98 fused magnesites, silicon powder, white carbon, 98 metallic silicons and Reactive alumina are mixed Close uniformly, obtain mixed material；Aluminium Ludox, SD 80 and lignin are mixed with the mixed material again, obtain the environmental protection The water base gravity flow mending material of type.
- 8. the preparation method of environmentally-friendly water-based gravity flow mending material according to claim 7, it is characterised in that：Using forced action type Concrete mixer carries out batch mixing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553397A (en) * | 2018-12-28 | 2019-04-02 | 海城利尔麦格西塔材料有限公司 | A kind of converter fettling big fabric and preparation method thereof |
| CN111187088A (en) * | 2020-02-14 | 2020-05-22 | 海城市中昊镁业有限公司 | Technology for preparing high thermal shock magnesia raw material by compounding medium-grade magnesia and fused magnesia |
| CN117142838A (en) * | 2022-08-02 | 2023-12-01 | 青岛首鑫冶金辅料科技有限公司 | Water-free environment-friendly hot-fill material and preparation method and use method thereof |
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| CN111187088B (en) * | 2020-02-14 | 2022-06-07 | 海城市中昊镁业有限公司 | Method for preparing high thermal shock magnesia raw material by compounding medium-grade magnesia and fused magnesia |
| CN117142838A (en) * | 2022-08-02 | 2023-12-01 | 青岛首鑫冶金辅料科技有限公司 | Water-free environment-friendly hot-fill material and preparation method and use method thereof |
| CN117142838B (en) * | 2022-08-02 | 2025-09-16 | 青岛首鑫冶金辅料科技有限公司 | Water-free environment-friendly hot-fill material and preparation method and use method thereof |
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