CN107827446A - 6.25M coke oven clay bricks - Google Patents
6.25M coke oven clay bricks Download PDFInfo
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- CN107827446A CN107827446A CN201711230149.9A CN201711230149A CN107827446A CN 107827446 A CN107827446 A CN 107827446A CN 201711230149 A CN201711230149 A CN 201711230149A CN 107827446 A CN107827446 A CN 107827446A
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- bauxite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
The invention belongs to technical field of refractory materials, specially a kind of 6.25M coke ovens clay brick, formula includes the raw material of following parts by weight, 25~35 parts of bauxite coarse powder, 20~30 parts of powder in bauxite, 5~10 parts of bauxite fine powder, 30~40 parts of soft clay fine powder.The physical and chemical index of the clay brick according to made from formula, such as chemical analysis, compressive resistance, the porosity, refractoriness index are superior to existing 6.25m coke ovens clay brick, especially Fe2O3Content is significant lower.The present invention have the advantages that raw material sources extensively, fineness of aggregate and particle size distribution it is reasonable, obtained clay brick complies fully with the requirement of the design of the coke oven brick, complexity and appearance and size, adapts to the requirement that coke oven maximization produces.
Description
Technical field
The invention belongs to technical field of refractory materials, specially a kind of 6.25M coke ovens clay brick.
Background technology
In industrial circle, the maximization of coke oven type, carbonization chamber, which are widened, to be increased, improves the development that production burnt amount in single hole room is coke oven
Direction.External carbonization chamber height reaches 6.25m, and this is due to that large capacity coke oven is compared than traditional small capacity coke oven, has and accounts for
Ground area is few, coal tower, Coke-fired Furnace Machinery Equipments operation quantity and operating personnel are few, the advantages that the pollutant emission bottom of coke oven, simultaneously
To adapt to coke oven maximization, ensure coking production, extend coke oven service life, coke oven is proposed with refractory quality higher
It is required that and the coke oven brick design, complexity and appearance and size all considerably beyond the design of traditional coke oven, it is managed
The requirement for changing index has also surmounted the professional standard of traditional small capacity coke oven clay brick significantly.
But domestic at present, external 6.25m coke ovens clay bricks exist due to refractory raw material quality, from gap,
The defects of feed particles fineness, Size Distribution are unreasonable, iron content is exceeded so that the reason of 6.25m large capacity coke oven clay bricks
Change the desired value that index does not often reach people.
The content of the invention
For above-mentioned technical problem, the invention provides a kind of 6.25M coke ovens clay brick, the clay brick feed particles are thin
Degree, Size Distribution are reasonable, and physical and chemical index is excellent.
In order to solve the above problems, the technical solution adopted by the present invention is：
A kind of 6.25M coke ovens clay brick, formula include the raw material of following parts by weight：Bauxite coarse powder 25~35
Part, 20~30 parts of powder in bauxite, 5~10 parts of bauxite fine powder, 30~40 parts of soft clay fine powder.
AL in the bauxite2O3Content is not less than 45%, Fe2O3≤ 1.8%, AL in soft clay2O3Content is not
Less than 35%, Fe2O3≤ 1.5%.
Described bauxite coarse powder has a three parts composition, wherein particle size range between 1~3mm account for 64%~
74%, particle size range accounts for 24%~34% between 1~0.088mm；Particle size range<0.088mm particles account for 1%~2%.
Powder is made up of three parts in described bauxite, wherein particle size range between 1~3mm account for 1%~
2%, particle size range accounts for 64%~74% between 1~0.088mm, particle size range<0.088mm particle accounts for 24%~
34%.
The bauxite fine powder is made up of two parts, wherein particle size range between 1~0.088mm account for 5%~
15%, particle size range<0.088mm particles account for 85%~95%.
Also include 2.0~3.0 parts of paper pulp, its proportion is 1.18~1.20g/cm3, PH is 4~5.
The present invention compared with prior art, has an advantageous effect in that：
The physical and chemical index of the clay brick according to made from formula, such as chemical analysis, compressive resistance, the porosity, refractoriness refer to
Mark is superior to existing 6.25m coke ovens clay brick, especially Fe2O3Content is significant lower.The present invention have raw material sources extensively,
The advantages that fineness of aggregate and reasonable particle size distribution, obtained clay brick comply fully with the designing of the coke oven brick, complicated journey
The requirement of degree and appearance and size, adapt to the requirement of coke oven maximization production.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
6.25m coke oven clay bricks, are represented with parts by weight, contain bauxite coarse powder 25 in raw material (main material) formula
~35 parts, 20~30 parts of powder in bauxite, 5~10 parts of bauxite fine powder, 30~40 parts of soft clay fine powder.
AL in above-mentioned bauxite2O3Not low 45%, the Fe of content2O3≤ 1.8%, soft clay AL2O3Content is not low
35%, Fe2O3≤ 1.5%,
Bauxite coarse powder has three parts composition, and wherein particle size range accounts for 64%~74% between 1~3mm, grain
Footpath scope accounts for 24%~34% between 1~0.088mm.Particle size range<0.088mm particles account for 1%~2%；
Powder is made up of three parts in bauxite, and wherein particle size range accounts for 1%~2% between 1~3mm, particle diameter
Scope accounts for 64%~74% between 1~0.088mm, particle size range<0.088mm particle accounts for 24%~34%；
Bauxite fine powder is made up of two parts, and wherein particle size range accounts for 5%~15% between 1~0.088mm,
Particle size range<0.088mm particles account for 85%~95%；
Fineness refers to the granular size of refractory raw material, and particle size distribution refers in continuous, different fineness level range,
Percentage by weight shared by the particle of each fineness rank, the particle size distribution of refractory raw material are close to the volume of refractory clay brick
Degree, the porosity, mechanical strength, plasticity, firing property and stability index all have a significant impact, and applicant of the present invention exists
In theoretical foundation by multiple proportioning test, compare, analyze, draw the raw material of above-mentioned 6.25m coke ovens clay brick fineness and
Particle size distribution；
Also include the following auxiliary material for accounting for above-mentioned main material gross weight in composition of raw materials：2.0~3.0 parts of paper pulp, its proportion are
1.18~1.20g/cm3, PH is 4~5, and paper pulp can be bought from paper mill, can strengthen the plasticity of brick body.
Embodiment one
Contain 35 parts of bauxite coarse powder, 20 parts of powder in bauxite, bauxite fine powder 5 in composition of raw materials
Part, 30 parts of soft clay fine powder.
AL in above-mentioned bauxite2O3Content is not less than 45%, Fe2O3≤ 1.8%, soft clay AL2O3Content is not low
In 35%, Fe2O3≤ 1.5%,
Bauxite coarse powder has three parts composition, and wherein particle size range accounts for 74% between 1~3mm, particle size range
24% is accounted between 1~0.088mm.Particle size range<0.088mm particles account for 1%；
Powder is made up of three parts in bauxite, and wherein particle size range accounts for 2% between 1~3mm, and particle size range exists
64% is accounted between 1~0.088mm, particle size range<0.088mm particle accounts for 24%；
Bauxite fine powder is made up of two parts, and wherein particle size range accounts for 15% between 1~0.088mm, particle diameter
Scope<0.088mm particles account for 85%；
Also include the following auxiliary material for accounting for above-mentioned main material gross weight in composition of raw materials：2.0 parts of paper pulp, its proportion are 1.18g/
cm3, PH 4.
Embodiment two
Contain 25 parts of bauxite coarse powder, 30 parts of powder in bauxite, bauxite fine powder 10 in composition of raw materials
Part, 40 parts of soft clay fine powder.
AL in above-mentioned bauxite2O3Not low 45%, Fe2O3≤1.8% of content, soft clay AL2O3Content is not low
35%, Fe2O3≤1.5%,
Bauxite coarse powder has three parts composition, and wherein particle size range accounts for 64% between 1~3mm, particle size range
34% is accounted between 1~0.088mm.Particle size range<0.088mm particles account for 2%；
Powder is made up of three parts in bauxite, and wherein particle size range accounts for 1% between 1~3mm, and particle size range exists
74% is accounted between 1~0.088mm, particle size range<0.088mm particle accounts for 34%；
Bauxite fine powder is made up of two parts, and wherein particle size range accounts for 5%% between 1~0.088mm, particle diameter
Scope<0.088mm particles account for 95%.
Also include the following auxiliary material for accounting for above-mentioned main material gross weight in composition of raw materials：3.0 parts of paper pulp, its proportion are 1.20g/
cm3, PH 5.
Embodiment three
Contain 30 parts of bauxite coarse powder, 25 parts of powder in bauxite, bauxite fine powder 7 in composition of raw materials
Part, 35 parts of soft clay fine powder.
AL in above-mentioned bauxite2O3Not low 45%, the Fe of content2O3≤ 1.8%, soft clay AL2O3Content is not low
35%, Fe2O3≤ 1.5%,
Bauxite coarse powder has three parts composition, and wherein particle size range accounts for 69% between 1~3mm, particle size range
29% is accounted between 1~0.088mm.Particle size range<0.088mm particles account for 1.5%；
Powder is made up of three parts in bauxite, and wherein particle size range accounts for 1.5% between 1~3mm, particle size range
69% is accounted between 1~0.088mm, particle size range<0.088mm particle accounts for 29%；
Bauxite fine powder is made up of two parts, and wherein particle size range accounts for 10% between 1~0.088mm, particle diameter
Scope<0.088mm particles account for 90%.
Also include the following auxiliary material for accounting for above-mentioned main material gross weight in composition of raw materials：2.5 parts of paper pulp, its proportion are 1.19g/
cm3, PH 4.5.
Bauxite coarse powder, middle powder, fine powder and soft clay fine powder are sequentially added in wet stone roller, dry-mixed 4-5 minutes, then
Add paper pulp, be kneaded it is uniform to pug, go out grind, be molded base.Bauxite coarse powder, middle powder, fine powder and soft clay are thin
Powder forms from Yangquan local raw material is broken, and its composition and performance indications are known to one of ordinary skill in the art.
Paper pulp is added before wet stone roller through double-deck 22 mesh sieve net filtrations；Well mixed pug divides aftershaping through 3 mesh mesh screens.Using this
Every physical and chemical index of 6.25m coke oven clay bricks obtained by the formula and preparation method of invention and current domestic and international 6.25m
Coke oven is compared with clay brick, as shown in the table,
As seen from the above table, using the physical and chemical index of clay brick made from formula of the present invention, such as chemical analysis, pressure-resistant
The indexs such as intensity, the porosity, refractoriness are superior to existing 6.25m coke ovens clay brick, especially Fe2O3Content is significant lower.This
Invention has the advantages that extensive raw material sources, fineness of aggregate and particle size distribution are reasonable, and obtained clay brick complies fully with this
The requirement of the design of coke oven brick, complexity and appearance and size, adapt to the requirement of coke oven maximization production.
Only presently preferred embodiments of the present invention is explained in detail above, but the present invention is not limited to above-described embodiment,
In those of ordinary skill in the art's possessed knowledge, it can also be made on the premise of present inventive concept is not departed from each
Kind change, various change should be included in the scope of the protection.
Claims (6)
1. a kind of 6.25M coke ovens clay brick, it is characterised in that formula includes the raw material of following parts by weight：Bauxite is thick
25~35 parts of powder, 20~30 parts of powder in bauxite, 5~10 parts of bauxite fine powder, 30~40 parts of soft clay fine powder.
2. a kind of 6.25M coke ovens clay brick according to claim 1, it is characterised in that in the bauxite
AL2O3Content is not less than 45%, Fe2O3≤ 1.8%, AL in soft clay2O3Content is not less than 35%, Fe2O3≤ 1.5%.
3. a kind of 6.25M coke ovens clay brick according to claim 1, it is characterised in that described bauxite is thick
Powder has a three parts composition, and wherein particle size range accounts for 64%~74% between 1~3mm, particle size range 1~0.088mm it
Between account for 24%~34%；Particle size range<0.088mm particles account for 1%~2%.
4. a kind of 6.25M coke ovens clay brick according to claim 1, it is characterised in that in described bauxite
Powder is made up of three parts, and wherein particle size range accounts for 1%~2% between 1~3mm, and particle size range is between 1~0.088mm
Account for 64%~74%, particle size range<0.088mm particle accounts for 24%~34%.
A kind of 5. 6.25M coke ovens clay brick according to claim 1, it is characterised in that the bauxite fine powder
It is made up of two parts, wherein particle size range accounts for 5%~15% between 1~0.088mm, particle size range<0.088mm particles account for
85%~95%.
6. a kind of 6.25M coke ovens clay brick according to claim 1, it is characterised in that also including paper pulp 2.0~3.0
Part, its proportion is 1.18~1.20g/cm3, PH is 4~5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230149.9A CN107827446A (en) | 2017-11-29 | 2017-11-29 | 6.25M coke oven clay bricks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230149.9A CN107827446A (en) | 2017-11-29 | 2017-11-29 | 6.25M coke oven clay bricks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107827446A true CN107827446A (en) | 2018-03-23 |
Family
ID=61646842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711230149.9A Withdrawn CN107827446A (en) | 2017-11-29 | 2017-11-29 | 6.25M coke oven clay bricks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107827446A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314431A (en) * | 2018-03-29 | 2018-07-24 | 河南蚂蚁新材料有限公司 | Composite ceramics prefabricated component and preparation method thereof |
| CN111517812A (en) * | 2020-05-19 | 2020-08-11 | 山西盂县西小坪耐火材料有限公司 | Special clay brick for carbon roasting furnace and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5338711A (en) * | 1993-06-21 | 1994-08-16 | Indresco Inc. | High alumina refractory shapes |
| CN101117293A (en) * | 2007-07-18 | 2008-02-06 | 山西盂县西小坪耐火材料有限公司 | Semi-silica brick for 7.63-meter coke oven |
| CN106116599A (en) * | 2016-06-24 | 2016-11-16 | 武汉科技大学 | One not burnedc lay combines alumino-silicate brick and preparation method thereof |
| CN106187238A (en) * | 2016-07-21 | 2016-12-07 | 济源市金峰耐火材料有限公司 | Bauxite composite refractory brick and its preparation method and application |
-
2017
- 2017-11-29 CN CN201711230149.9A patent/CN107827446A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5338711A (en) * | 1993-06-21 | 1994-08-16 | Indresco Inc. | High alumina refractory shapes |
| CN101117293A (en) * | 2007-07-18 | 2008-02-06 | 山西盂县西小坪耐火材料有限公司 | Semi-silica brick for 7.63-meter coke oven |
| CN106116599A (en) * | 2016-06-24 | 2016-11-16 | 武汉科技大学 | One not burnedc lay combines alumino-silicate brick and preparation method thereof |
| CN106187238A (en) * | 2016-07-21 | 2016-12-07 | 济源市金峰耐火材料有限公司 | Bauxite composite refractory brick and its preparation method and application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314431A (en) * | 2018-03-29 | 2018-07-24 | 河南蚂蚁新材料有限公司 | Composite ceramics prefabricated component and preparation method thereof |
| CN111517812A (en) * | 2020-05-19 | 2020-08-11 | 山西盂县西小坪耐火材料有限公司 | Special clay brick for carbon roasting furnace and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20180323 |